LOCAL_PATH:= $(call my-dir)/..

include ${CLEAR_VARS}

LOCAL_SRC_FILES := \
 src/gaiaaux/gg_sqlaux.c \
  src/gaiaexif/gaia_exif.c \
  src/gaiageo/gg_advanced.c \
  src/gaiageo/gg_endian.c \
  src/gaiageo/gg_ewkt.c \
  src/gaiageo/gg_geodesic.c \
  src/gaiageo/gg_geoJSON.c \
  src/gaiageo/gg_geometries.c \
  src/gaiageo/gg_geoscvt.c \
  src/gaiageo/gg_gml.c \
  src/gaiageo/gg_kml.c \
  src/gaiageo/gg_relations.c \
  src/gaiageo/gg_transform.c \
  src/gaiageo/gg_vanuatu.c \
  src/gaiageo/gg_wkb.c \
  src/gaiageo/gg_wkt.c \
  src/spatialite/mbrcache.c \
  src/spatialite/spatialite.c \
  src/spatialite/virtualfdo.c \
  src/spatialite/virtualnetwork.c \
  src/spatialite/virtualspatialindex.c \
  src/srsinit/srs_init.c \
  src/versioninfo/version.c

LOCAL_C_INCLUDES := \
    $(LOCAL_PATH)/jni/src/headers \
    $(LOCAL_PATH)/src/headers \
    $(LOCAL_PATH)/../SQLite

LOCAL_MODULE := spatialite

LOCAL_LDLIBS := -ldl -llog

LOCAL_CFLAGS := \
  -fvisibility=hidden \
  -DOMIT_GEOCALLBACKS \
  -DOMIT_GEOS \
  -DOMIT_PROJ \
  -DOMIT_EPSG \
  -DOMIT_ICONV \
  -DVERSION="\"3.0.2\""

include $(BUILD_SHARED_LIBRARY)

LOCAL_PATH:= $(call my-dir)/..

include ${CLEAR_VARS}

LOCAL_SRC_FILES := \
 src/gaiaaux/gg_sqlaux.c \
  src/gaiaexif/gaia_exif.c \
  src/gaiageo/gg_advanced.c \
  src/gaiageo/gg_endian.c \
  src/gaiageo/gg_ewkt.c \
  src/gaiageo/gg_geodesic.c \
  src/gaiageo/gg_geoJSON.c \
  src/gaiageo/gg_geometries.c \
  src/gaiageo/gg_geoscvt.c \
  src/gaiageo/gg_gml.c \
  src/gaiageo/gg_kml.c \
  src/gaiageo/gg_relations.c \
  src/gaiageo/gg_transform.c \
  src/gaiageo/gg_vanuatu.c \
  src/gaiageo/gg_wkb.c \
  src/gaiageo/gg_wkt.c \
  src/spatialite/mbrcache.c \
  src/spatialite/spatialite.c \
  src/spatialite/virtualfdo.c \
  src/spatialite/virtualnetwork.c \
  src/spatialite/virtualspatialindex.c \
  src/srsinit/srs_init.c \
  src/versioninfo/version.c

LOCAL_C_INCLUDES := \
    $(LOCAL_PATH)/jni/src/headers \
    $(LOCAL_PATH)/src/headers \
    $(LOCAL_PATH)/../SQLite

LOCAL_MODULE := spatialite

LOCAL_LDLIBS := -ldl -llog

LOCAL_CFLAGS := \
  -fvisibility=hidden \
  -DOMIT_GEOCALLBACKS \
  -DOMIT_GEOS \
  -DOMIT_PROJ \
  -DOMIT_EPSG \
  -DOMIT_ICONV \
  -DVERSION="\"3.0.2\""

include $(BUILD_SHARED_LIBRARY)

# -------------------
# Android_4.2.0.mk
# ndk-build clean
# ndk-build
# -------------------
LOCAL_PATH := $(call my-dir)
JSQLITE_PATH := javasqlite-20120209
SPATIALITE_PATH := libspatialite-4.2.0-rc1
GEOS_PATH := geos-3.4.2
PROJ4_PATH := proj-4.8.0
SQLITE_PATH := sqlite-amalgamation-3080403
ICONV_PATH := libiconv-1.13.1
XML2_PATH := libxml2-2.9.1
LZMA_PATH := xz-5.1.3alpha

include $(LOCAL_PATH)/iconv-1.13.1.mk
include $(LOCAL_PATH)/sqlite-3080403.mk
include $(LOCAL_PATH)/proj4-4.8.0.mk
include $(LOCAL_PATH)/geos-3.4.2.mk
include $(LOCAL_PATH)/libxml2-2.9.1.mk
include $(LOCAL_PATH)/lzma-xz-5.1.3a.mk
include $(LOCAL_PATH)/spatialite-4.2.0.mk
include $(LOCAL_PATH)/jsqlite-20120209.mk

# -------------------
# Android_4.3.0.mk
# [from 'jni/' directory]
# ndk-build clean
# ndk-build
# -------------------
LOCAL_PATH := $(call my-dir)
JSQLITE_PATH := javasqlite-20120209
SPATIALITE_PATH := libspatialite-4.3.0
GEOS_PATH := geos-3.4.2
PROJ4_PATH := proj-4.9.1
SQLITE_PATH := sqlite-amalgamation-3081002
ICONV_PATH := libiconv-1.13.1
XML2_PATH := libxml2-2.9.1
LZMA_PATH := xz-5.1.3alpha

include $(LOCAL_PATH)/iconv-1.13.1.mk
include $(LOCAL_PATH)/sqlite-3081002.mk
include $(LOCAL_PATH)/proj4-4.9.1.mk
include $(LOCAL_PATH)/geos-3.4.2.mk
include $(LOCAL_PATH)/libxml2-2.9.1.mk
include $(LOCAL_PATH)/lzma-xz-5.1.3a.mk
include $(LOCAL_PATH)/spatialite-4.3.0.mk
include $(LOCAL_PATH)/jsqlite-20120209.mk
$(call import-module,android/cpufeatures)

# -------------------
# Android_4.4.0.mk
# [from 'jni/' directory]
# ndk-build clean
# ndk-build
# OR
# ndk-build clean ; ndk-build
# -------------------
# As of 2017-01-18
# -------------------
# changes:
# - geos-3.6.1
# - proj4-3.9.3
# - rttopo 1.1.0-dev
# - json-c-0.12
# - spatialite [4.4.0-20170118]
# -------------------
LOCAL_PATH := $(call my-dir)
JSQLITE_PATH := javasqlite-20120209
SPATIALITE_PATH := libspatialite-4.4.0
GEOS_PATH := geos-3.6.1
JSONC_PATH := json-c-0.12
RTTOPO_PATH := librttopo-20161220
PROJ4_PATH := proj-4.9.3
SQLITE_PATH := sqlite-amalgamation-3081002
ICONV_PATH := libiconv-1.13.1
XML2_PATH := libxml2-2.9.1
LZMA_PATH := xz-5.2.1

include $(LOCAL_PATH)/iconv-1.13.1.mk
include $(LOCAL_PATH)/sqlite-3081002.mk
include $(LOCAL_PATH)/proj4-4.9.3.mk
include $(LOCAL_PATH)/geos-3.6.1.mk
include $(LOCAL_PATH)/json-c-0.12.mk
include $(LOCAL_PATH)/librttopo-1.1.0.mk
include $(LOCAL_PATH)/libxml2-2.9.1.mk
include $(LOCAL_PATH)/lzma-xz-5.2.1.mk
include $(LOCAL_PATH)/spatialite-4.4.0.mk
include $(LOCAL_PATH)/jsqlite-20120209.mk
$(call import-module,android/cpufeatures)

ACLOCAL_AMFLAGS = -I m4

AUTOMAKE_OPTIONS = dist-zip foreign

EXTRA_DIST = makefile.vc nmake.opt \
	makefile64.vc nmake64.opt \
	makefile_mod.vc nmake_mod.opt \
	makefile_mod64.vc nmake_mod64.opt \
	Android_3.0.2.mk Android_4.3.0.mk \
	spatialite-4.3.0.mk Android_4.4.0.mk spatialite-4.4.0.mk \
	mainpage.doxy README.coverage spatialite-sql-latest.html \
	config-msvc.h

if ENABLE_EXAMPLES
EXAMPLES = examples
endif

SUBDIRS = src test $(EXAMPLES)

pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = spatialite.pc

coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info


coverage::
	lcov --rc lcov_branch_coverage=1 --directory src --output-file libspatialite_cov.info --capture
	lcov --rc lcov_branch_coverage=1 --remove libspatialite_cov.info "*/src/gaiageo/*Lexer.l" --output-file libspatialite_cov.info
	genhtml --rc lcov_branch_coverage=1 -o covresults libspatialite_cov.info

MOSTLYCLEANFILES = libspatialite_cov.info

ACLOCAL_AMFLAGS = -I m4

AUTOMAKE_OPTIONS = dist-zip

EXTRA_DIST = makefile.vc nmake.opt Android.mk Android_4.2.0.mk \





	spatialite-4.2.0.mk mainpage.doxy README.coverage \
	spatialite-sql-latest.html config-msvc.h

if ENABLE_EXAMPLES
EXAMPLES = examples
endif

SUBDIRS = src test $(EXAMPLES)

pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = spatialite.pc

coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info


coverage::
	lcov --directory src --output-file libspatialite_cov.info --capture

	genhtml -o covresults libspatialite_cov.info

MOSTLYCLEANFILES = libspatialite_cov.info

# Makefile.in generated by automake 1.15 from Makefile.am.
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# Copyright (C) 1994-2014 Free Software Foundation, Inc.

# This Makefile.in is free software; the Free Software Foundation
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all: config.h
................................................................................
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.PRECIOUS: Makefile


coverage-init:
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coverage::
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	lcov --rc lcov_branch_coverage=1 --remove libspatialite_cov.info "*/src/gaiageo/*Lexer.l" --output-file libspatialite_cov.info
	genhtml --rc lcov_branch_coverage=1 -o covresults libspatialite_cov.info

# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Makefile.in generated by automake 1.14.1 from Makefile.am.
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# Copyright (C) 1994-2013 Free Software Foundation, Inc.

# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.

@SET_MAKE@

VPATH = @srcdir@
am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'










am__make_running_with_option = \
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POST_INSTALL = :
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PRE_UNINSTALL = :
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	spatialite-4.2.0.mk mainpage.doxy README.coverage \
	spatialite-sql-latest.html config-msvc.h

@ENABLE_EXAMPLES_TRUE@EXAMPLES = examples
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all: config.h
................................................................................
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coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info

coverage::
	lcov --directory src --output-file libspatialite_cov.info --capture

	genhtml -o covresults libspatialite_cov.info

# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

# generated automatically by aclocal 1.15 -*- Autoconf -*-

# Copyright (C) 1996-2014 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
................................................................................
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
[m4_warning([this file was generated for autoconf 2.69.
You have another version of autoconf.  It may work, but is not guaranteed to.
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dnl pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
dnl serial 11 (pkg-config-0.29.1)
dnl

dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
dnl

dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl

dnl This program is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl General Public License for more details.
dnl

dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl

dnl As a special exception to the GNU General Public License, if you
dnl distribute this file as part of a program that contains a
dnl configuration script generated by Autoconf, you may include it under
dnl the same distribution terms that you use for the rest of that
dnl program.

dnl PKG_PREREQ(MIN-VERSION)
dnl -----------------------
dnl Since: 0.29
dnl
dnl Verify that the version of the pkg-config macros are at least
dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
dnl installed version of pkg-config, this checks the developer's version
dnl of pkg.m4 when generating configure.
dnl
dnl To ensure that this macro is defined, also add:
dnl m4_ifndef([PKG_PREREQ],
dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
dnl
dnl See the "Since" comment for each macro you use to see what version
dnl of the macros you require.
m4_defun([PKG_PREREQ],
[m4_define([PKG_MACROS_VERSION], [0.29.1])
m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
])dnl PKG_PREREQ

dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
dnl ----------------------------------
dnl Since: 0.16
dnl
dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
dnl first found in the path. Checks that the version of pkg-config found
dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
dnl used since that's the first version where most current features of
dnl pkg-config existed.
AC_DEFUN([PKG_PROG_PKG_CONFIG],
[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
................................................................................
	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
		AC_MSG_RESULT([yes])
	else
		AC_MSG_RESULT([no])
		PKG_CONFIG=""
	fi
fi[]dnl
])dnl PKG_PROG_PKG_CONFIG

dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
dnl -------------------------------------------------------------------
dnl Since: 0.18
dnl

dnl Check to see whether a particular set of modules exists. Similar to
dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
dnl

dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
dnl only at the first occurence in configure.ac, so if the first place
dnl it's called might be skipped (such as if it is within an "if", you
dnl have to call PKG_CHECK_EXISTS manually

AC_DEFUN([PKG_CHECK_EXISTS],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
if test -n "$PKG_CONFIG" && \
    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
  m4_default([$2], [:])
m4_ifvaln([$3], [else
  $3])dnl
fi])

dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
dnl ---------------------------------------------
dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
dnl pkg_failed based on the result.
m4_define([_PKG_CONFIG],
[if test -n "$$1"; then
    pkg_cv_[]$1="$$1"
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                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
		      test "x$?" != "x0" && pkg_failed=yes ],
		     [pkg_failed=yes])
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    pkg_failed=untried
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])dnl _PKG_CONFIG

dnl _PKG_SHORT_ERRORS_SUPPORTED
dnl ---------------------------
dnl Internal check to see if pkg-config supports short errors.
AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
        _pkg_short_errors_supported=yes
else
        _pkg_short_errors_supported=no
fi[]dnl
])dnl _PKG_SHORT_ERRORS_SUPPORTED


dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
dnl   [ACTION-IF-NOT-FOUND])
dnl --------------------------------------------------------------
dnl Since: 0.4.0
dnl


dnl Note that if there is a possibility the first call to
dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac



AC_DEFUN([PKG_CHECK_MODULES],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl

pkg_failed=no
AC_MSG_CHECKING([for $1])
................................................................................
        ])
else
	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
        AC_MSG_RESULT([yes])
	$3
fi[]dnl
])dnl PKG_CHECK_MODULES


dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
dnl   [ACTION-IF-NOT-FOUND])
dnl ---------------------------------------------------------------------
dnl Since: 0.29
dnl
dnl Checks for existence of MODULES and gathers its build flags with
dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
dnl and VARIABLE-PREFIX_LIBS from --libs.
dnl
dnl Note that if there is a possibility the first call to
dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
dnl configure.ac.
AC_DEFUN([PKG_CHECK_MODULES_STATIC],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
_save_PKG_CONFIG=$PKG_CONFIG
PKG_CONFIG="$PKG_CONFIG --static"
PKG_CHECK_MODULES($@)
PKG_CONFIG=$_save_PKG_CONFIG[]dnl
])dnl PKG_CHECK_MODULES_STATIC


dnl PKG_INSTALLDIR([DIRECTORY])
dnl -------------------------
dnl Since: 0.27
dnl
dnl Substitutes the variable pkgconfigdir as the location where a module
dnl should install pkg-config .pc files. By default the directory is
dnl $libdir/pkgconfig, but the default can be changed by passing
dnl DIRECTORY. The user can override through the --with-pkgconfigdir
dnl parameter.
AC_DEFUN([PKG_INSTALLDIR],
[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
m4_pushdef([pkg_description],
    [pkg-config installation directory @<:@]pkg_default[@:>@])
AC_ARG_WITH([pkgconfigdir],
    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
    [with_pkgconfigdir=]pkg_default)
AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
m4_popdef([pkg_default])
m4_popdef([pkg_description])
])dnl PKG_INSTALLDIR


dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
dnl --------------------------------
dnl Since: 0.27
dnl
dnl Substitutes the variable noarch_pkgconfigdir as the location where a
dnl module should install arch-independent pkg-config .pc files. By
dnl default the directory is $datadir/pkgconfig, but the default can be
dnl changed by passing DIRECTORY. The user can override through the
dnl --with-noarch-pkgconfigdir parameter.
AC_DEFUN([PKG_NOARCH_INSTALLDIR],
[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
m4_pushdef([pkg_description],
    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
AC_ARG_WITH([noarch-pkgconfigdir],
    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
    [with_noarch_pkgconfigdir=]pkg_default)
AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
m4_popdef([pkg_default])
m4_popdef([pkg_description])
])dnl PKG_NOARCH_INSTALLDIR


dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
dnl -------------------------------------------
dnl Since: 0.28
dnl
dnl Retrieves the value of the pkg-config variable for the given module.
AC_DEFUN([PKG_CHECK_VAR],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl

_PKG_CONFIG([$1], [variable="][$3]["], [$2])
AS_VAR_COPY([$1], [pkg_cv_][$1])

AS_VAR_IF([$1], [""], [$5], [$4])dnl
])dnl PKG_CHECK_VAR

# Copyright (C) 2002-2014 Free Software Foundation, Inc.
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#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# AM_SILENT_RULES([DEFAULT])
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#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# _AM_SUBST_NOTMAKE(VARIABLE)
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# AM_SUBST_NOTMAKE(VARIABLE)
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# Check how to create a tarball.                            -*- Autoconf -*-

# Copyright (C) 2004-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_PROG_TAR(FORMAT)
# --------------------

# generated automatically by aclocal 1.14.1 -*- Autoconf -*-

# Copyright (C) 1996-2013 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
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# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
# serial 1 (pkg-config-0.24)

# 
# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.


#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.

#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.























# PKG_PROG_PKG_CONFIG([MIN-VERSION])
# ----------------------------------







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m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
................................................................................
	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
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	else
		AC_MSG_RESULT([no])
		PKG_CONFIG=""
	fi
fi[]dnl
])# PKG_PROG_PKG_CONFIG

# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])



#
# Check to see whether a particular set of modules exists.  Similar
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#
# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
# only at the first occurence in configure.ac, so if the first place
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# have to call PKG_CHECK_EXISTS manually
# --------------------------------------------------------------
AC_DEFUN([PKG_CHECK_EXISTS],
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if test -n "$PKG_CONFIG" && \
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  m4_default([$2], [:])
m4_ifvaln([$3], [else
  $3])dnl
fi])

# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
# ---------------------------------------------


m4_define([_PKG_CONFIG],
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    PKG_CHECK_EXISTS([$3],
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# -----------------------------

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if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
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        _pkg_short_errors_supported=no
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])# _PKG_SHORT_ERRORS_SUPPORTED


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# [ACTION-IF-NOT-FOUND])



#
#
# Note that if there is a possibility the first call to
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#
#
# --------------------------------------------------------------
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AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl

pkg_failed=no
AC_MSG_CHECKING([for $1])
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        ])
else
	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
        AC_MSG_RESULT([yes])
	$3
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])# PKG_CHECK_MODULES
























# PKG_INSTALLDIR(DIRECTORY)
# -------------------------


# Substitutes the variable pkgconfigdir as the location where a module
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# $libdir/pkgconfig, but the default can be changed by passing
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AC_DEFUN([PKG_INSTALLDIR],
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m4_pushdef([pkg_description],
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    [with_pkgconfigdir=]pkg_default)
AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
m4_popdef([pkg_default])
m4_popdef([pkg_description])
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# PKG_NOARCH_INSTALLDIR(DIRECTORY)
# -------------------------


# Substitutes the variable noarch_pkgconfigdir as the location where a
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m4_popdef([pkg_default])
m4_popdef([pkg_description])
]) dnl PKG_NOARCH_INSTALLDIR


# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# -------------------------------------------


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_PKG_CONFIG([$1], [variable="][$3]["], [$2])
AS_VAR_COPY([$1], [pkg_cv_][$1])

AS_VAR_IF([$1], [""], [$5], [$4])dnl
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# Copyright (C) 2002-2013 Free Software Foundation, Inc.
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# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
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AC_DEFUN([AM_CONFIG_HEADER],
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# _AM_MANGLE_OPTION(NAME)
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# Check how to create a tarball.                            -*- Autoconf -*-

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/* Define to 1 if you have the `localtime_r' function. */
#define HAVE_LOCALTIME_R 1

/* Define to 1 if `lstat' has the bug that it succeeds when given the
   zero-length file name argument. */
/* #undef HAVE_LSTAT_EMPTY_STRING_BUG */

/* Define to 1 if you have the <math.h> header file. */
#define HAVE_MATH_H 1

/* Define to 1 if you have the `memmove' function. */
#define HAVE_MEMMOVE 1

................................................................................
/* Define to 1 if you have the <sqlite3ext.h> header file. */
#define HAVE_SQLITE3EXT_H 1

/* Define to 1 if you have the <sqlite3.h> header file. */
#define HAVE_SQLITE3_H 1

/* Define to 1 if you have the `sqrt' function. */
/* #undef HAVE_SQRT */

/* Define to 1 if `stat' has the bug that it succeeds when given the
   zero-length file name argument. */
/* #undef HAVE_STAT_EMPTY_STRING_BUG */

/* Define to 1 if you have the <stddef.h> header file. */
#define HAVE_STDDEF_H 1
................................................................................
/* Define to 1 if you have the <stdio.h> header file. */
#define HAVE_STDIO_H 1

/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1

/* Define to 1 if you have the `strcasecmp' function. */
#define HAVE_STRCASECMP 1

/* Define to 1 if you have the `strerror' function. */
#define HAVE_STRERROR 1

/* Define to 1 if you have the `strftime' function. */
#define HAVE_STRFTIME 1

................................................................................
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1

/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1

/* Define to 1 if you have the `strncasecmp' function. */
#define HAVE_STRNCASECMP 1

/* Define to 1 if you have the `strstr' function. */
#define HAVE_STRSTR 1

/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1

................................................................................
#define HAVE_UNISTD_H 1

/* Define to 1 if you have the <zlib.h> header file. */
#define HAVE_ZLIB_H 1

/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
   slash. */
#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1

/* Define to the sub-directory in which libtool stores uninstalled libraries.
   */
#define LT_OBJDIR ".libs/"

/* Must be defined in order to disable debug mode. */
#define NDEBUG 1
................................................................................
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "a.furieri@lqt.it"

/* Define to the full name of this package. */
#define PACKAGE_NAME "libspatialite"

/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libspatialite 5.0.0-devel"

/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libspatialite"

/* Define to the home page for this package. */
#define PACKAGE_URL ""

/* Define to the version of this package. */
#define PACKAGE_VERSION "5.0.0-devel1"

/* Should be defined when linking liblwgeom from PostGIS 2.1 (or later). */
/* #undefine POSTGIS_2_1 */

/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1

/* Should contain a text-string describing the intended target CPU */
#define TARGET_CPU "Win32"

/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1

/* Define to 1 if your <sys/time.h> declares `struct tm'. */
/* #undef TM_IN_SYS_TIME */

/* Version number of package */
#define VERSION "5.0.0-devel"

/* Must be =64 in order to enable huge-file support. */
#define _FILE_OFFSET_BITS 64

/* Must be defined in order to enable huge-file support. */
#define _LARGEFILE_SOURCE 1

/* config.h.  Generated from config.h.in by configure.  */
/* config.h.in.  Generated from configure.ac by autoheader.  */
/* 
/ Sandro: manually adjusted so to support the MSVC compiler 
/         using the OsGeo4W libraries
*/




/* Should be defined in order to enable GeoPackage support. */
/* #undef ENABLE_GEOPACKAGE */

/* Should be defined in order to enable LIBXML2 support. */
#define ENABLE_LIBXML2 1

/* Should be defined in order to enable LWGEOM support. */
/* #undef ENABLE_LWGEOM */

/* Should be defined in order to enable GEOS_ADVANCED support. */
#define GEOS_ADVANCED 1

/* Should be defined in order to enable GEOS_TRUNK experimental support. */
/* #undef GEOS_TRUNK */




/* Define to 1 if you have the <dlfcn.h> header file. */
/* #undef HAVE_DLFCN_H */

/* Define to 1 if you have the <fcntl.h> header file. */
#define HAVE_FCNTL_H 1

/* Define to 1 if you have the `fdatasync' function. */
/* #undef HAVE_FDATASYNC */

/* Define to 1 if you have the <float.h> header file. */
#define HAVE_FLOAT_H 1

/* Define to 1 if you have the <freexl.h> header file. */
#define HAVE_FREEXL_H 1

................................................................................
/* Define to 1 if you have the <iconv.h> header file. */
#define HAVE_ICONV_H 1

/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1

/* Define to 1 if you have the <liblwgeom.h> header file. */
#define HAVE_LIBLWGEOM_H 1

/* Define to 1 if you have the `sqlite3' library (-lsqlite3). */
#define HAVE_LIBSQLITE3 1

/* Define to 1 if you have the `z' library (-lz). */
#define HAVE_LIBZ 1

/* Define to 1 if you have the `localtime_r' function. */
/* #undef HAVE_LOCALTIME_R */

/* Define to 1 if `lstat' has the bug that it succeeds when given the
   zero-length file name argument. */
#define HAVE_LSTAT_EMPTY_STRING_BUG 1

/* Define to 1 if you have the <math.h> header file. */
#define HAVE_MATH_H 1

/* Define to 1 if you have the `memmove' function. */
#define HAVE_MEMMOVE 1

................................................................................
/* Define to 1 if you have the <sqlite3ext.h> header file. */
#define HAVE_SQLITE3EXT_H 1

/* Define to 1 if you have the <sqlite3.h> header file. */
#define HAVE_SQLITE3_H 1

/* Define to 1 if you have the `sqrt' function. */
#define HAVE_SQRT 1

/* Define to 1 if `stat' has the bug that it succeeds when given the
   zero-length file name argument. */
/* #undef HAVE_STAT_EMPTY_STRING_BUG */

/* Define to 1 if you have the <stddef.h> header file. */
#define HAVE_STDDEF_H 1
................................................................................
/* Define to 1 if you have the <stdio.h> header file. */
#define HAVE_STDIO_H 1

/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1

/* Define to 1 if you have the `strcasecmp' function. */
/* #undef HAVE_STRCASECMP */

/* Define to 1 if you have the `strerror' function. */
#define HAVE_STRERROR 1

/* Define to 1 if you have the `strftime' function. */
#define HAVE_STRFTIME 1

................................................................................
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1

/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1

/* Define to 1 if you have the `strncasecmp' function. */
/* #undef HAVE_STRNCASECMP */

/* Define to 1 if you have the `strstr' function. */
#define HAVE_STRSTR 1

/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1

................................................................................
#define HAVE_UNISTD_H 1

/* Define to 1 if you have the <zlib.h> header file. */
#define HAVE_ZLIB_H 1

/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
   slash. */
/* #undef LSTAT_FOLLOWS_SLASHED_SYMLINK */

/* Define to the sub-directory in which libtool stores uninstalled libraries.
   */
#define LT_OBJDIR ".libs/"

/* Must be defined in order to disable debug mode. */
#define NDEBUG 1
................................................................................
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "a.furieri@lqt.it"

/* Define to the full name of this package. */
#define PACKAGE_NAME "libspatialite"

/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libspatialite 4.2.0"

/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libspatialite"

/* Define to the home page for this package. */
#define PACKAGE_URL ""

/* Define to the version of this package. */
#define PACKAGE_VERSION "4.2.0"

/* Should be defined when linking liblwgeom from PostGIS 2.1 (or later). */
/* #undef POSTGIS_2_1 1 */

/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1

/* Should contain a text-string describing the intended target CPU */
#define TARGET_CPU "msvc-32"

/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1

/* Define to 1 if your <sys/time.h> declares `struct tm'. */
/* #undef TM_IN_SYS_TIME */

/* Version number of package */
#define VERSION "4.2.0-rc2"

/* Must be =64 in order to enable huge-file support. */
#define _FILE_OFFSET_BITS 64

/* Must be defined in order to enable huge-file support. */
#define _LARGEFILE_SOURCE 1

/* config.h.in.  Generated from configure.ac by autoheader.  */

/* Should be defined in order to enable GCP support. */
#undef ENABLE_GCP

/* Should be defined in order to enable GeoPackage support. */
#undef ENABLE_GEOPACKAGE

/* Should be defined in order to enable LIBXML2 support. */
#undef ENABLE_LIBXML2

/* Should be defined in order to enable RTTOPO support. */
#undef ENABLE_RTTOPO

/* Should be defined in order to enable GEOS_ADVANCED support. */
#undef GEOS_ADVANCED

/* Should be defined in order to fully disable GEOS non-thread-safe API. */
#undef GEOS_ONLY_REENTRANT

/* Should be defined in order to enable GEOS_REENTRANT (fully thread-safe). */
#undef GEOS_REENTRANT

/* depending on SQLite library version. */
#undef HAVE_DECL_SQLITE_INDEX_CONSTRAINT_LIKE

/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H

/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H

................................................................................

/* Define to 1 if you have the <iconv.h> header file. */
#undef HAVE_ICONV_H

/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

/* Define to 1 if you have the <librttopo.h> header file. */
#undef HAVE_LIBRTTOPO_H

/* Define to 1 if you have the `sqlite3' library (-lsqlite3). */
#undef HAVE_LIBSQLITE3

/* Define to 1 if you have the `z' library (-lz). */
#undef HAVE_LIBZ

................................................................................

/* Should be defined in order to disable GEOS support. */
#undef OMIT_GEOS

/* Should be defined in order to disable ICONV support. */
#undef OMIT_ICONV

/* Should be defined in order to disable KNN support. */
#undef OMIT_KNN

/* Should be defined in order to disable MATHSQL support. */
#undef OMIT_MATHSQL

/* Should be defined in order to disable PROJ.4 support. */
#undef OMIT_PROJ

/* Name of package */
................................................................................
#undef PACKAGE_TARNAME

/* Define to the home page for this package. */
#undef PACKAGE_URL

/* Define to the version of this package. */
#undef PACKAGE_VERSION




/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS

/* Should contain a text-string describing the intended target CPU */
#undef TARGET_CPU

/* config.h.in.  Generated from configure.ac by autoheader.  */

/* Should be defined in order to enable CONTROL_POINTS support. */
#undef ENABLE_CONTROL_POINTS

/* Should be defined in order to enable GeoPackage support. */
#undef ENABLE_GEOPACKAGE

/* Should be defined in order to enable LIBXML2 support. */
#undef ENABLE_LIBXML2

/* Should be defined in order to enable LWGEOM support. */
#undef ENABLE_LWGEOM

/* Should be defined in order to enable GEOS_ADVANCED support. */
#undef GEOS_ADVANCED




/* Should be defined in order to enable GEOS_TRUNK experimental support. */
#undef GEOS_TRUNK




/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H

/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H

................................................................................

/* Define to 1 if you have the <iconv.h> header file. */
#undef HAVE_ICONV_H

/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

/* Define to 1 if you have the <liblwgeom.h> header file. */
#undef HAVE_LIBLWGEOM_H

/* Define to 1 if you have the `sqlite3' library (-lsqlite3). */
#undef HAVE_LIBSQLITE3

/* Define to 1 if you have the `z' library (-lz). */
#undef HAVE_LIBZ

................................................................................

/* Should be defined in order to disable GEOS support. */
#undef OMIT_GEOS

/* Should be defined in order to disable ICONV support. */
#undef OMIT_ICONV




/* Should be defined in order to disable MATHSQL support. */
#undef OMIT_MATHSQL

/* Should be defined in order to disable PROJ.4 support. */
#undef OMIT_PROJ

/* Name of package */
................................................................................
#undef PACKAGE_TARNAME

/* Define to the home page for this package. */
#undef PACKAGE_URL

/* Define to the version of this package. */
#undef PACKAGE_VERSION

/* Should be defined when linking liblwgeom from PostGIS 2.1 (or later). */
#undef POSTGIS_2_1

/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS

/* Should contain a text-string describing the intended target CPU */
#undef TARGET_CPU

#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for libspatialite 5.0.0-devel.
#
# Report bugs to <a.furieri@lqt.it>.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
#
#
................................................................................
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='libspatialite'
PACKAGE_TARNAME='libspatialite'
PACKAGE_VERSION='5.0.0-devel'
PACKAGE_STRING='libspatialite 5.0.0-devel'
PACKAGE_BUGREPORT='a.furieri@lqt.it'
PACKAGE_URL=''

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
LTLIBOBJS
ANDROID_FALSE
ANDROID_TRUE
MACOSX_FALSE
MACOSX_TRUE
MINGW_FALSE
MINGW_TRUE
MODULE_ONLY_FALSE
MODULE_ONLY_TRUE
ENABLE_EXAMPLES_FALSE
ENABLE_EXAMPLES_TRUE
ENABLE_GEOPACKAGE_FALSE
ENABLE_GEOPACKAGE_TRUE
LIBXML2_LIBS
LIBXML2_CFLAGS
PKG_CONFIG_LIBDIR
................................................................................
with_pic
enable_fast_install
with_gnu_ld
with_sysroot
enable_libtool_lock
enable_mathsql
enable_geocallbacks
enable_knn
enable_proj
enable_iconv
enable_freexl
enable_epsg
enable_geos
with_geosconfig
enable_gcp
enable_geosadvanced
enable_geosreentrant
with_geosonlyreentrant
enable_rttopo
enable_libxml2
enable_geopackage
enable_gcov
enable_examples
enable_module_only
'
      ac_precious_vars='build_alias
host_alias
target_alias
CC
CFLAGS
LDFLAGS
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures libspatialite 5.0.0-devel to adapt to many kinds of systems.

Usage: $0 [OPTION]... [VAR=VALUE]...

To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE.  See below for descriptions of some of the useful variables.

Defaults for the options are specified in brackets.
................................................................................
  --build=BUILD     configure for building on BUILD [guessed]
  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
_ACEOF
fi

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of libspatialite 5.0.0-devel:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
  --enable-shared[=PKGS]  build shared libraries [default=yes]
  --enable-static[=PKGS]  build static libraries [default=yes]
  --enable-fast-install[=PKGS]
                          optimize for fast installation [default=yes]
  --disable-libtool-lock  avoid locking (might break parallel builds)
  --enable-mathsql        enables SQL math functions [default=yes]
  --enable-geocallbacks   enables geometry callbacks [default=no]
  --enable-knn            enables KNN support [default=yes]
  --enable-proj           enables PROJ.4 inclusion [default=yes]
  --enable-iconv          enables ICONV inclusion [default=yes]
  --enable-freexl         enables FreeXL inclusion [default=yes]
  --enable-epsg           enables full EPSG dataset support [default=yes]
  --enable-geos           enables GEOS inclusion [default=yes]
  --enable-gcp            enables Control Points (from Grass GIS) [default=no]
  --enable-geosadvanced   enables GEOS advanced features [default=yes]
  --enable-geosreentrant  enables GEOS reentrant (fully thread safe)
                          [default=yes]
  --enable-rttopo         enables RTTOPO support [default=no]
  --enable-libxml2        enables libxml2 inclusion [default=yes]
  --enable-geopackage     enables GeoPackage support [default=yes]
  --enable-gcov           turn on code coverage analysis tools
  --enable-examples       enables building examples [default=yes]
  --enable-module-only    builds only mod_spatialite alone [default=no]

Optional Packages:
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --with-pic              try to use only PIC/non-PIC objects [default=use
                          both]
  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
  --with-sysroot=DIR Search for dependent libraries within DIR
                        (or the compiler's sysroot if not specified).
  --with-geosconfig=FILE  specify an alternative geos-config file
  --with-geosonlyreentrant
                          completely disables GEOS non-thread safe API
                          [default=no]

Some influential environment variables:
  CC          C compiler command
  CFLAGS      C compiler flags
  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
              nonstandard directory <lib dir>
  LIBS        libraries to pass to the linker, e.g. -l<library>
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
libspatialite configure 5.0.0-devel
generated by GNU Autoconf 2.69

Copyright (C) 2012 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
_ACEOF
  exit
................................................................................
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_type

# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
# ---------------------------------------------
# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
# accordingly.
ac_fn_c_check_decl ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  as_decl_name=`echo $2|sed 's/ *(.*//'`
  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
#ifndef $as_decl_name
#ifdef __cplusplus
  (void) $as_decl_use;
#else
  (void) $as_decl_name;
#endif
#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  eval "$3=yes"
else
  eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_decl
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by libspatialite $as_me 5.0.0-devel, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu



am__api_version='1.15'

ac_aux_dir=
for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
  if test -f "$ac_dir/install-sh"; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install-sh -c"
    break
................................................................................
test "$program_suffix" != NONE &&
  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
# Double any \ or $.
# By default was `s,x,x', remove it if useless.
ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`

# Expand $ac_aux_dir to an absolute path.
am_aux_dir=`cd "$ac_aux_dir" && pwd`

if test x"${MISSING+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  *)
    MISSING="\${SHELL} $am_aux_dir/missing" ;;
................................................................................
  am_missing_run="$MISSING "
else
  am_missing_run=
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
fi

if test x"${install_sh+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  *)
    install_sh="\${SHELL} $am_aux_dir/install-sh"
  esac
fi
................................................................................
    CYGPATH_W=echo
  fi
fi


# Define the identity of the package.
 PACKAGE='libspatialite'
 VERSION='5.0.0-devel'


cat >>confdefs.h <<_ACEOF
#define PACKAGE "$PACKAGE"
_ACEOF


................................................................................

# For better backward compatibility.  To be removed once Automake 1.9.x
# dies out for good.  For more background, see:
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
mkdir_p='$(MKDIR_P)'

# We need awk for the "check" target (and possibly the TAP driver).  The
# system "awk" is bad on some platforms.
# Always define AMTAR for backward compatibility.  Yes, it's still used
# in the wild :-(  We should find a proper way to deprecate it ...
AMTAR='$${TAR-tar}'


# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar  pax cpio none'
................................................................................
to "yes", and re-run configure.

END
    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
  fi
fi


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
    # Check whether --enable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then :
  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
else
  USE_MAINTAINER_MODE=no
................................................................................

# disabling debug support

$as_echo "#define NDEBUG 1" >>confdefs.h


# config depending options









................................................................................
  LIBS="-lz $LIBS"

else
  as_fn_error $? "'libz' is required but it doesn't seem to be installed on this system." "$LINENO" 5
fi


ac_config_files="$ac_config_files Makefile src/Makefile src/headers/Makefile src/gaiaaux/Makefile src/gaiaexif/Makefile src/gaiageo/Makefile src/gaiageo/flex/Makefile src/gaiageo/lemon/Makefile src/gaiageo/lemon/lemon_src/Makefile src/geopackage/Makefile src/spatialite/Makefile src/shapefiles/Makefile src/dxf/Makefile src/md5/Makefile src/control_points/Makefile src/cutter/Makefile src/topology/Makefile src/srsinit/Makefile src/srsinit/epsg_update/Makefile src/stored_procedures/Makefile src/connection_cache/Makefile src/connection_cache/generator/Makefile src/virtualtext/Makefile src/wfs/Makefile test/Makefile test/sql_stmt_tests/Makefile test/sql_stmt_geos_tests/Makefile test/sql_stmt_geosadvanced_tests/Makefile test/sql_stmt_geopackage_tests/Makefile test/sql_stmt_gpkg_epsg492_tests/Makefile test/sql_stmt_gpkg_epsg493_tests/Makefile test/sql_stmt_proj_tests/Makefile test/sql_stmt_proj492_tests/Makefile test/sql_stmt_proj493_tests/Makefile test/sql_stmt_mathsql_tests/Makefile test/sql_stmt_rtgeom_tests/Makefile test/sql_stmt_rttopo_tests/Makefile test/sql_stmt_libxml2_tests/Makefile test/sql_stmt_security_tests/Makefile test/sql_stmt_xmlsec_tests/Makefile test/sql_stmt_freexl_tests/Makefile test/sql_stmt_cache_tests/Makefile test/sql_stmt_gpkgcache_tests/Makefile test/sql_stmt_nocache_tests/Makefile test/sql_stmt_gpkgnocache_tests/Makefile test/sql_stmt_voronoj1_tests/Makefile test/sql_stmt_voronoj2_tests/Makefile test/sql_stmt_sequence_tests/Makefile test/sql_stmt_routing_tests/Makefile test/sql_stmt_logfile_tests/Makefile test/sql_stmt_iconv_tests/Makefile test/sql_stmt_point_geom/Makefile test/sql_stmt_tiny_point/Makefile examples/Makefile Doxyfile spatialite.pc"


# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
cat >>confdefs.h <<_ACEOF
#define TARGET_CPU "$splite_cpu"
_ACEOF
................................................................................
else
  as_fn_error $? "obsolete 'libsqlite3' (< v.3.7.3). please retry specifying: --disable-geocallbacks" "$LINENO" 5
fi

else
  $as_echo "#define OMIT_GEOCALLBACKS 1" >>confdefs.h

fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-knn
#
# Check whether --enable-knn was given.
if test "${enable_knn+set}" = set; then :
  enableval=$enable_knn;
else
  enable_knn=yes
fi

if test x"$enable_knn" == "xyes"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqlite3_rtree_query_callback in -lsqlite3" >&5
$as_echo_n "checking for sqlite3_rtree_query_callback in -lsqlite3... " >&6; }
if ${ac_cv_lib_sqlite3_sqlite3_rtree_query_callback+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lsqlite3 -lm $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char sqlite3_rtree_query_callback ();
int
main ()
{
return sqlite3_rtree_query_callback ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_sqlite3_sqlite3_rtree_query_callback=yes
else
  ac_cv_lib_sqlite3_sqlite3_rtree_query_callback=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sqlite3_sqlite3_rtree_query_callback" >&5
$as_echo "$ac_cv_lib_sqlite3_sqlite3_rtree_query_callback" >&6; }
if test "x$ac_cv_lib_sqlite3_sqlite3_rtree_query_callback" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBSQLITE3 1
_ACEOF

  LIBS="-lsqlite3 $LIBS"

else
  as_fn_error $? "obsolete 'libsqlite3' (< v.3.8.5). please retry specifying: --disable-knn" "$LINENO" 5
fi

else
  $as_echo "#define OMIT_KNN 1" >>confdefs.h

fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-proj
#
# Check whether --enable-proj was given.
................................................................................

  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  # Check whether --enable-gcp was given.
if test "${enable_gcp+set}" = set; then :
  enableval=$enable_gcp;
else
  enable_gcp=no
fi

  if test x"$enable_gcp" != "xno"; then
	  $as_echo "#define ENABLE_GCP 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  # Check whether --enable-geosadvanced was given.
................................................................................
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_GEOSDelaunayTriangulation" >&5
$as_echo "$ac_cv_search_GEOSDelaunayTriangulation" >&6; }
ac_res=$ac_cv_search_GEOSDelaunayTriangulation
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

else
  as_fn_error $? "'libgeos_c' (>= v.3.4.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-geosadvanced parameter." "$LINENO" 5
fi

	  $as_echo "#define GEOS_ADVANCED 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-geosreentrant
  #
  # Check whether --enable-geosreentrant was given.
if test "${enable_geosreentrant+set}" = set; then :
  enableval=$enable_geosreentrant;
else
  enable_geosreentrant=yes
fi

  if test x"$enable_geosreentrant" != "xno"; then


































	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing GEOSContext_setErrorMessageHandler_r" >&5
$as_echo_n "checking for library containing GEOSContext_setErrorMessageHandler_r... " >&6; }
if ${ac_cv_search_GEOSContext_setErrorMessageHandler_r+:} false; then :

  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char GEOSContext_setErrorMessageHandler_r ();
int
main ()
{
return GEOSContext_setErrorMessageHandler_r ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' geos_c; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_GEOSContext_setErrorMessageHandler_r=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_GEOSContext_setErrorMessageHandler_r+:} false; then :
  break
fi
done
if ${ac_cv_search_GEOSContext_setErrorMessageHandler_r+:} false; then :

else
  ac_cv_search_GEOSContext_setErrorMessageHandler_r=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_GEOSContext_setErrorMessageHandler_r" >&5
$as_echo "$ac_cv_search_GEOSContext_setErrorMessageHandler_r" >&6; }
ac_res=$ac_cv_search_GEOSContext_setErrorMessageHandler_r
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

else
  as_fn_error $? "'libgeos_c' (>= v.3.5.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-geosreentrant parameter." "$LINENO" 5
fi

	  $as_echo "#define GEOS_REENTRANT 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --with-geosonlyreentrant
  #

# Check whether --with-geosonlyreentrant was given.
if test "${with_geosonlyreentrant+set}" = set; then :
  withval=$with_geosonlyreentrant;
else
  with_geosonlyreentrant=no
fi

  if test x"$with_geosonlyreentrant" != "xno"; then
	  $as_echo "#define GEOS_ONLY_REENTRANT 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-rttopo
  #
  # Check whether --enable-rttopo was given.
if test "${enable_rttopo+set}" = set; then :
  enableval=$enable_rttopo;
else
  enable_rttopo=no
fi

  if test x"$enable_rttopo" != "xno"; then
	  for ac_header in librttopo.h
do :
  ac_fn_c_check_header_mongrel "$LINENO" "librttopo.h" "ac_cv_header_librttopo_h" "$ac_includes_default"
if test "x$ac_cv_header_librttopo_h" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBRTTOPO_H 1
_ACEOF

else
  as_fn_error $? "cannot find librttopo.h, bailing out" "$LINENO" 5
fi

done

	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing rtt_AddLineNoFace" >&5
$as_echo_n "checking for library containing rtt_AddLineNoFace... " >&6; }
if ${ac_cv_search_rtt_AddLineNoFace+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char rtt_AddLineNoFace ();
int
main ()
{
return rtt_AddLineNoFace ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' rttopo; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_rtt_AddLineNoFace=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_rtt_AddLineNoFace+:} false; then :
  break
fi
done
if ${ac_cv_search_rtt_AddLineNoFace+:} false; then :

else
  ac_cv_search_rtt_AddLineNoFace=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_rtt_AddLineNoFace" >&5
$as_echo "$ac_cv_search_rtt_AddLineNoFace" >&6; }
ac_res=$ac_cv_search_rtt_AddLineNoFace
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

else
  as_fn_error $? "'librttopo' (>= v.1.1.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-rttopo parameter." "$LINENO" 5
fi

	  $as_echo "#define ENABLE_RTTOPO 1" >>confdefs.h

  fi
else
  $as_echo "#define OMIT_GEOS 1" >>confdefs.h

fi

#-----------------------------------------------------------------------
................................................................................
else
  ENABLE_EXAMPLES_TRUE='#'
  ENABLE_EXAMPLES_FALSE=
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-module-only
#
# Check whether --enable-module-only was given.
if test "${enable_module_only+set}" = set; then :
  enableval=$enable_module_only;
else
  enable_module_only=no
fi

 if test x"$enable_module_only" != "xno"; then
  MODULE_ONLY_TRUE=
  MODULE_ONLY_FALSE='#'
else
  MODULE_ONLY_TRUE='#'
  MODULE_ONLY_FALSE=
fi

#-----------------------------------------------------------------------

# Checking for MinGW
 if test "$target_alias" = "mingw32"; then
  MINGW_TRUE=
  MINGW_FALSE='#'
else
  MINGW_TRUE='#'
  MINGW_FALSE=
................................................................................
# Checking for Android
 if test "$target_alias" = "android"; then
  ANDROID_TRUE=
  ANDROID_FALSE='#'
else
  ANDROID_TRUE='#'
  ANDROID_FALSE=
fi


# testing for sqlite 3-10 or later
ac_fn_c_check_decl "$LINENO" "SQLITE_INDEX_CONSTRAINT_LIKE" "ac_cv_have_decl_SQLITE_INDEX_CONSTRAINT_LIKE" "#include <sqlite3.h>
"
if test "x$ac_cv_have_decl_SQLITE_INDEX_CONSTRAINT_LIKE" = xyes; then :
  $as_echo "#define HAVE_DECL_SQLITE_INDEX_CONSTRAINT_LIKE 1" >>confdefs.h

fi


cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs, see configure's option --config-cache.
................................................................................
fi
if test -z "${ENABLE_GEOPACKAGE_TRUE}" && test -z "${ENABLE_GEOPACKAGE_FALSE}"; then
  as_fn_error $? "conditional \"ENABLE_GEOPACKAGE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${ENABLE_EXAMPLES_TRUE}" && test -z "${ENABLE_EXAMPLES_FALSE}"; then
  as_fn_error $? "conditional \"ENABLE_EXAMPLES\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE_ONLY_TRUE}" && test -z "${MODULE_ONLY_FALSE}"; then
  as_fn_error $? "conditional \"MODULE_ONLY\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MINGW_TRUE}" && test -z "${MINGW_FALSE}"; then
  as_fn_error $? "conditional \"MINGW\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MACOSX_TRUE}" && test -z "${MACOSX_FALSE}"; then
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by libspatialite $as_me 5.0.0-devel, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
  CONFIG_HEADERS  = $CONFIG_HEADERS
  CONFIG_LINKS    = $CONFIG_LINKS
  CONFIG_COMMANDS = $CONFIG_COMMANDS
  $ $0 $@
................................................................................

Report bugs to <a.furieri@lqt.it>."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
libspatialite config.status 5.0.0-devel
configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

Copyright (C) 2012 Free Software Foundation, Inc.
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."

................................................................................
    "src/gaiageo/lemon/lemon_src/Makefile") CONFIG_FILES="$CONFIG_FILES src/gaiageo/lemon/lemon_src/Makefile" ;;
    "src/geopackage/Makefile") CONFIG_FILES="$CONFIG_FILES src/geopackage/Makefile" ;;
    "src/spatialite/Makefile") CONFIG_FILES="$CONFIG_FILES src/spatialite/Makefile" ;;
    "src/shapefiles/Makefile") CONFIG_FILES="$CONFIG_FILES src/shapefiles/Makefile" ;;
    "src/dxf/Makefile") CONFIG_FILES="$CONFIG_FILES src/dxf/Makefile" ;;
    "src/md5/Makefile") CONFIG_FILES="$CONFIG_FILES src/md5/Makefile" ;;
    "src/control_points/Makefile") CONFIG_FILES="$CONFIG_FILES src/control_points/Makefile" ;;
    "src/cutter/Makefile") CONFIG_FILES="$CONFIG_FILES src/cutter/Makefile" ;;
    "src/topology/Makefile") CONFIG_FILES="$CONFIG_FILES src/topology/Makefile" ;;
    "src/srsinit/Makefile") CONFIG_FILES="$CONFIG_FILES src/srsinit/Makefile" ;;
    "src/srsinit/epsg_update/Makefile") CONFIG_FILES="$CONFIG_FILES src/srsinit/epsg_update/Makefile" ;;
    "src/stored_procedures/Makefile") CONFIG_FILES="$CONFIG_FILES src/stored_procedures/Makefile" ;;
    "src/connection_cache/Makefile") CONFIG_FILES="$CONFIG_FILES src/connection_cache/Makefile" ;;
    "src/connection_cache/generator/Makefile") CONFIG_FILES="$CONFIG_FILES src/connection_cache/generator/Makefile" ;;
    "src/virtualtext/Makefile") CONFIG_FILES="$CONFIG_FILES src/virtualtext/Makefile" ;;
    "src/wfs/Makefile") CONFIG_FILES="$CONFIG_FILES src/wfs/Makefile" ;;
    "test/Makefile") CONFIG_FILES="$CONFIG_FILES test/Makefile" ;;
    "test/sql_stmt_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_tests/Makefile" ;;
    "test/sql_stmt_geos_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geos_tests/Makefile" ;;
    "test/sql_stmt_geosadvanced_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geosadvanced_tests/Makefile" ;;
    "test/sql_stmt_geopackage_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geopackage_tests/Makefile" ;;
    "test/sql_stmt_gpkg_epsg492_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_gpkg_epsg492_tests/Makefile" ;;
    "test/sql_stmt_gpkg_epsg493_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_gpkg_epsg493_tests/Makefile" ;;
    "test/sql_stmt_proj_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj_tests/Makefile" ;;
    "test/sql_stmt_proj492_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj492_tests/Makefile" ;;
    "test/sql_stmt_proj493_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj493_tests/Makefile" ;;
    "test/sql_stmt_mathsql_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_mathsql_tests/Makefile" ;;
    "test/sql_stmt_rtgeom_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_rtgeom_tests/Makefile" ;;
    "test/sql_stmt_rttopo_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_rttopo_tests/Makefile" ;;
    "test/sql_stmt_libxml2_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_libxml2_tests/Makefile" ;;
    "test/sql_stmt_security_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_security_tests/Makefile" ;;
    "test/sql_stmt_xmlsec_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_xmlsec_tests/Makefile" ;;
    "test/sql_stmt_freexl_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_freexl_tests/Makefile" ;;
    "test/sql_stmt_cache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_cache_tests/Makefile" ;;
    "test/sql_stmt_gpkgcache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_gpkgcache_tests/Makefile" ;;
    "test/sql_stmt_nocache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_nocache_tests/Makefile" ;;
    "test/sql_stmt_gpkgnocache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_gpkgnocache_tests/Makefile" ;;
    "test/sql_stmt_voronoj1_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_voronoj1_tests/Makefile" ;;
    "test/sql_stmt_voronoj2_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_voronoj2_tests/Makefile" ;;
    "test/sql_stmt_sequence_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_sequence_tests/Makefile" ;;
    "test/sql_stmt_routing_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_routing_tests/Makefile" ;;
    "test/sql_stmt_logfile_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_logfile_tests/Makefile" ;;
    "test/sql_stmt_iconv_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_iconv_tests/Makefile" ;;
    "test/sql_stmt_point_geom/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_point_geom/Makefile" ;;
    "test/sql_stmt_tiny_point/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_tiny_point/Makefile" ;;
    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
    "Doxyfile") CONFIG_FILES="$CONFIG_FILES Doxyfile" ;;
    "spatialite.pc") CONFIG_FILES="$CONFIG_FILES spatialite.pc" ;;

  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
  esac
done
................................................................................
fi


#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_rttopo" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_gcp" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-rttopo and/or --enable-gcp"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich takes precedence over any other license."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-rttopo --disable-gcp"
    echo "=============================================================="

fi

#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for libspatialite 4.3.0-devel.
#
# Report bugs to <a.furieri@lqt.it>.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
#
#
................................................................................
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='libspatialite'
PACKAGE_TARNAME='libspatialite'
PACKAGE_VERSION='4.3.0-devel'
PACKAGE_STRING='libspatialite 4.3.0-devel'
PACKAGE_BUGREPORT='a.furieri@lqt.it'
PACKAGE_URL=''

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
LTLIBOBJS
ANDROID_FALSE
ANDROID_TRUE
MACOSX_FALSE
MACOSX_TRUE
MINGW_FALSE
MINGW_TRUE


ENABLE_EXAMPLES_FALSE
ENABLE_EXAMPLES_TRUE
ENABLE_GEOPACKAGE_FALSE
ENABLE_GEOPACKAGE_TRUE
LIBXML2_LIBS
LIBXML2_CFLAGS
PKG_CONFIG_LIBDIR
................................................................................
with_pic
enable_fast_install
with_gnu_ld
with_sysroot
enable_libtool_lock
enable_mathsql
enable_geocallbacks

enable_proj
enable_iconv
enable_freexl
enable_epsg
enable_geos
with_geosconfig
enable_controlpoints
enable_geosadvanced


enable_lwgeom
enable_libxml2
enable_geopackage
enable_gcov
enable_examples

'
      ac_precious_vars='build_alias
host_alias
target_alias
CC
CFLAGS
LDFLAGS
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures libspatialite 4.3.0-devel to adapt to many kinds of systems.

Usage: $0 [OPTION]... [VAR=VALUE]...

To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE.  See below for descriptions of some of the useful variables.

Defaults for the options are specified in brackets.
................................................................................
  --build=BUILD     configure for building on BUILD [guessed]
  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
_ACEOF
fi

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of libspatialite 4.3.0-devel:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
  --enable-shared[=PKGS]  build shared libraries [default=yes]
  --enable-static[=PKGS]  build static libraries [default=yes]
  --enable-fast-install[=PKGS]
                          optimize for fast installation [default=yes]
  --disable-libtool-lock  avoid locking (might break parallel builds)
  --enable-mathsql        enables SQL math functions [default=yes]
  --enable-geocallbacks   enables geometry callbacks [default=no]

  --enable-proj           enables PROJ.4 inclusion [default=yes]
  --enable-iconv          enables ICONV inclusion [default=yes]
  --enable-freexl         enables FreeXL inclusion [default=yes]
  --enable-epsg           enables full EPSG dataset support [default=yes]
  --enable-geos           enables GEOS inclusion [default=yes]
  --enable-controlpoints  enables Control Points (from Grass GIS) [default=no]
  --enable-geosadvanced   enables GEOS advanced features [default=yes]
  --enable-lwgeom         enables LWGEOM support [default=no]


  --enable-libxml2        enables libxml2 inclusion [default=yes]
  --enable-geopackage     enables GeoPackage support [default=yes]
  --enable-gcov           turn on code coverage analysis tools
  --enable-examples       enables building examples [default=yes]


Optional Packages:
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --with-pic              try to use only PIC/non-PIC objects [default=use
                          both]
  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
  --with-sysroot=DIR Search for dependent libraries within DIR
                        (or the compiler's sysroot if not specified).
  --with-geosconfig=FILE  specify an alternative geos-config file




Some influential environment variables:
  CC          C compiler command
  CFLAGS      C compiler flags
  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
              nonstandard directory <lib dir>
  LIBS        libraries to pass to the linker, e.g. -l<library>
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
libspatialite configure 4.3.0-devel
generated by GNU Autoconf 2.69

Copyright (C) 2012 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
_ACEOF
  exit
................................................................................
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_type














































cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by libspatialite $as_me 4.3.0-devel, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu



am__api_version='1.14'

ac_aux_dir=
for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
  if test -f "$ac_dir/install-sh"; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install-sh -c"
    break
................................................................................
test "$program_suffix" != NONE &&
  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
# Double any \ or $.
# By default was `s,x,x', remove it if useless.
ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`

# expand $ac_aux_dir to an absolute path
am_aux_dir=`cd $ac_aux_dir && pwd`

if test x"${MISSING+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  *)
    MISSING="\${SHELL} $am_aux_dir/missing" ;;
................................................................................
  am_missing_run="$MISSING "
else
  am_missing_run=
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
fi

if test x"${install_sh}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  *)
    install_sh="\${SHELL} $am_aux_dir/install-sh"
  esac
fi
................................................................................
    CYGPATH_W=echo
  fi
fi


# Define the identity of the package.
 PACKAGE='libspatialite'
 VERSION='4.3.0-devel'


cat >>confdefs.h <<_ACEOF
#define PACKAGE "$PACKAGE"
_ACEOF


................................................................................

# For better backward compatibility.  To be removed once Automake 1.9.x
# dies out for good.  For more background, see:
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
mkdir_p='$(MKDIR_P)'

# We need awk for the "check" target.  The system "awk" is bad on
# some platforms.
# Always define AMTAR for backward compatibility.  Yes, it's still used
# in the wild :-(  We should find a proper way to deprecate it ...
AMTAR='$${TAR-tar}'


# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar  pax cpio none'
................................................................................
to "yes", and re-run configure.

END
    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
  fi
fi


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
    # Check whether --enable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then :
  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
else
  USE_MAINTAINER_MODE=no
................................................................................

# disabling debug support

$as_echo "#define NDEBUG 1" >>confdefs.h


# config depending options









................................................................................
  LIBS="-lz $LIBS"

else
  as_fn_error $? "'libz' is required but it doesn't seem to be installed on this system." "$LINENO" 5
fi


ac_config_files="$ac_config_files Makefile src/Makefile src/headers/Makefile src/gaiaaux/Makefile src/gaiaexif/Makefile src/gaiageo/Makefile src/gaiageo/flex/Makefile src/gaiageo/lemon/Makefile src/gaiageo/lemon/lemon_src/Makefile src/geopackage/Makefile src/spatialite/Makefile src/shapefiles/Makefile src/dxf/Makefile src/md5/Makefile src/control_points/Makefile src/srsinit/Makefile src/srsinit/epsg_update/Makefile src/connection_cache/Makefile src/connection_cache/generator/Makefile src/virtualtext/Makefile src/wfs/Makefile test/Makefile test/sql_stmt_tests/Makefile test/sql_stmt_geos_tests/Makefile test/sql_stmt_geosadvanced_tests/Makefile test/sql_stmt_geopackage_tests/Makefile test/sql_stmt_proj_tests/Makefile test/sql_stmt_mathsql_tests/Makefile test/sql_stmt_lwgeom_tests/Makefile test/sql_stmt_libxml2_tests/Makefile test/sql_stmt_security_tests/Makefile test/sql_stmt_xmlsec_tests/Makefile test/sql_stmt_freexl_tests/Makefile examples/Makefile Doxyfile spatialite.pc"


# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
cat >>confdefs.h <<_ACEOF
#define TARGET_CPU "$splite_cpu"
_ACEOF
................................................................................
else
  as_fn_error $? "obsolete 'libsqlite3' (< v.3.7.3). please retry specifying: --disable-geocallbacks" "$LINENO" 5
fi

else
  $as_echo "#define OMIT_GEOCALLBACKS 1" >>confdefs.h

































































fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-proj
#
# Check whether --enable-proj was given.
................................................................................

  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  # Check whether --enable-controlpoints was given.
if test "${enable_controlpoints+set}" = set; then :
  enableval=$enable_controlpoints;
else
  enable_controlpoints=no
fi

  if test x"$enable_controlpoints" != "xno"; then
	  $as_echo "#define ENABLE_CONTROL_POINTS 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  # Check whether --enable-geosadvanced was given.
................................................................................
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_GEOSDelaunayTriangulation" >&5
$as_echo "$ac_cv_search_GEOSDelaunayTriangulation" >&6; }
ac_res=$ac_cv_search_GEOSDelaunayTriangulation
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

else
  as_fn_error $? "'libgeos_c' (>= v.3.4.0) is required but it doesn't seem to be installed on this system." "$LINENO" 5
fi

	  $as_echo "#define GEOS_ADVANCED 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-lwgeom
  #
  # Check whether --enable-lwgeom was given.
if test "${enable_lwgeom+set}" = set; then :
  enableval=$enable_lwgeom;
else
  enable_lwgeom=no
fi

  if test x"$enable_lwgeom" != "xno"; then
	  for ac_header in liblwgeom.h
do :
  ac_fn_c_check_header_mongrel "$LINENO" "liblwgeom.h" "ac_cv_header_liblwgeom_h" "$ac_includes_default"
if test "x$ac_cv_header_liblwgeom_h" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBLWGEOM_H 1
_ACEOF

else
  as_fn_error $? "cannot find liblwgeom.h, bailing out" "$LINENO" 5
fi

done

	  _save_libs="$LIBS"
	  LIBS=$LIBS' -llwgeom -lgeos_c'
	  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
int main() { return lwgeom_make_valid(); return 0; }
	    void lwgeom_init_allocators(void) { return; }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  $as_echo "#define ENABLE_LWGEOM 1" >>confdefs.h

else
  as_fn_error $? "'liblwgeom' doesn't seem to be installed on this system; unsupported lwgeom_make_valid()." "$LINENO" 5
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
	  LIBS="$_save_libs"
	  LIBS=$LIBS' -llwgeom -lgeos_c'
	#
	# testing for PostGIS 2.1 - lwgeom_set_handlers
	#
	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing lwgeom_set_handlers" >&5
$as_echo_n "checking for library containing lwgeom_set_handlers... " >&6; }

if ${ac_cv_search_lwgeom_set_handlers+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char lwgeom_set_handlers ();
int
main ()
{
return lwgeom_set_handlers ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' geos_c; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_lwgeom_set_handlers=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_lwgeom_set_handlers+:} false; then :
  break
fi
done
if ${ac_cv_search_lwgeom_set_handlers+:} false; then :

else
  ac_cv_search_lwgeom_set_handlers=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_lwgeom_set_handlers" >&5
$as_echo "$ac_cv_search_lwgeom_set_handlers" >&6; }
ac_res=$ac_cv_search_lwgeom_set_handlers
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"





  $as_echo "#define POSTGIS_2_1 1" >>confdefs.h

fi






































































































  fi
else
  $as_echo "#define OMIT_GEOS 1" >>confdefs.h

fi

#-----------------------------------------------------------------------
................................................................................
else
  ENABLE_EXAMPLES_TRUE='#'
  ENABLE_EXAMPLES_FALSE=
fi

#-----------------------------------------------------------------------





















# Checking for MinGW
 if test "$target_alias" = "mingw32"; then
  MINGW_TRUE=
  MINGW_FALSE='#'
else
  MINGW_TRUE='#'
  MINGW_FALSE=
................................................................................
# Checking for Android
 if test "$target_alias" = "android"; then
  ANDROID_TRUE=
  ANDROID_FALSE='#'
else
  ANDROID_TRUE='#'
  ANDROID_FALSE=









fi


cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs, see configure's option --config-cache.
................................................................................
fi
if test -z "${ENABLE_GEOPACKAGE_TRUE}" && test -z "${ENABLE_GEOPACKAGE_FALSE}"; then
  as_fn_error $? "conditional \"ENABLE_GEOPACKAGE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${ENABLE_EXAMPLES_TRUE}" && test -z "${ENABLE_EXAMPLES_FALSE}"; then
  as_fn_error $? "conditional \"ENABLE_EXAMPLES\" was never defined.




Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MINGW_TRUE}" && test -z "${MINGW_FALSE}"; then
  as_fn_error $? "conditional \"MINGW\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MACOSX_TRUE}" && test -z "${MACOSX_FALSE}"; then
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by libspatialite $as_me 4.3.0-devel, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
  CONFIG_HEADERS  = $CONFIG_HEADERS
  CONFIG_LINKS    = $CONFIG_LINKS
  CONFIG_COMMANDS = $CONFIG_COMMANDS
  $ $0 $@
................................................................................

Report bugs to <a.furieri@lqt.it>."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
libspatialite config.status 4.3.0-devel
configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

Copyright (C) 2012 Free Software Foundation, Inc.
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."

................................................................................
    "src/gaiageo/lemon/lemon_src/Makefile") CONFIG_FILES="$CONFIG_FILES src/gaiageo/lemon/lemon_src/Makefile" ;;
    "src/geopackage/Makefile") CONFIG_FILES="$CONFIG_FILES src/geopackage/Makefile" ;;
    "src/spatialite/Makefile") CONFIG_FILES="$CONFIG_FILES src/spatialite/Makefile" ;;
    "src/shapefiles/Makefile") CONFIG_FILES="$CONFIG_FILES src/shapefiles/Makefile" ;;
    "src/dxf/Makefile") CONFIG_FILES="$CONFIG_FILES src/dxf/Makefile" ;;
    "src/md5/Makefile") CONFIG_FILES="$CONFIG_FILES src/md5/Makefile" ;;
    "src/control_points/Makefile") CONFIG_FILES="$CONFIG_FILES src/control_points/Makefile" ;;


    "src/srsinit/Makefile") CONFIG_FILES="$CONFIG_FILES src/srsinit/Makefile" ;;
    "src/srsinit/epsg_update/Makefile") CONFIG_FILES="$CONFIG_FILES src/srsinit/epsg_update/Makefile" ;;

    "src/connection_cache/Makefile") CONFIG_FILES="$CONFIG_FILES src/connection_cache/Makefile" ;;
    "src/connection_cache/generator/Makefile") CONFIG_FILES="$CONFIG_FILES src/connection_cache/generator/Makefile" ;;
    "src/virtualtext/Makefile") CONFIG_FILES="$CONFIG_FILES src/virtualtext/Makefile" ;;
    "src/wfs/Makefile") CONFIG_FILES="$CONFIG_FILES src/wfs/Makefile" ;;
    "test/Makefile") CONFIG_FILES="$CONFIG_FILES test/Makefile" ;;
    "test/sql_stmt_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_tests/Makefile" ;;
    "test/sql_stmt_geos_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geos_tests/Makefile" ;;
    "test/sql_stmt_geosadvanced_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geosadvanced_tests/Makefile" ;;
    "test/sql_stmt_geopackage_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_geopackage_tests/Makefile" ;;


    "test/sql_stmt_proj_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj_tests/Makefile" ;;


    "test/sql_stmt_mathsql_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_mathsql_tests/Makefile" ;;
    "test/sql_stmt_lwgeom_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_lwgeom_tests/Makefile" ;;

    "test/sql_stmt_libxml2_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_libxml2_tests/Makefile" ;;
    "test/sql_stmt_security_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_security_tests/Makefile" ;;
    "test/sql_stmt_xmlsec_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_xmlsec_tests/Makefile" ;;
    "test/sql_stmt_freexl_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_freexl_tests/Makefile" ;;












    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
    "Doxyfile") CONFIG_FILES="$CONFIG_FILES Doxyfile" ;;
    "spatialite.pc") CONFIG_FILES="$CONFIG_FILES spatialite.pc" ;;

  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
  esac
done
................................................................................
fi


#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_controlpoints" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-controlpoints"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-controlpoints"
    echo "=============================================================="

fi

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.61)
AC_INIT(libspatialite, 5.0.0-devel, a.furieri@lqt.it)
AC_LANG(C)
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([foreign])
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(config.h)

................................................................................
AC_DEFINE(NDEBUG)

# config depending options
AH_TEMPLATE([OMIT_GEOS],
            [Should be defined in order to disable GEOS support.])
AH_TEMPLATE([GEOS_ADVANCED],
            [Should be defined in order to enable GEOS_ADVANCED support.])
AH_TEMPLATE([GEOS_REENTRANT],
            [Should be defined in order to enable GEOS_REENTRANT (fully thread-safe).])
AH_TEMPLATE([GEOS_ONLY_REENTRANT],
            [Should be defined in order to fully disable GEOS non-thread-safe API.])
AH_TEMPLATE([ENABLE_RTTOPO],
            [Should be defined in order to enable RTTOPO support.])
AH_TEMPLATE([ENABLE_GCP],
            [Should be defined in order to enable GCP support.])
AH_TEMPLATE([OMIT_PROJ],
            [Should be defined in order to disable PROJ.4 support.])
AH_TEMPLATE([OMIT_ICONV],
            [Should be defined in order to disable ICONV support.])
AH_TEMPLATE([OMIT_MATHSQL],
            [Should be defined in order to disable MATHSQL support.])
AH_TEMPLATE([OMIT_EPSG],
            [Should be defined in order to disable EPSG full support.])
AH_TEMPLATE([OMIT_GEOCALLBACKS],
            [Should be defined in order to disable GEOCALLBACKS support.])
AH_TEMPLATE([OMIT_KNN],
            [Should be defined in order to disable KNN support.])
AH_TEMPLATE([OMIT_FREEXL],
            [Should be defined in order to disable FREEXL support.])
AH_TEMPLATE([ENABLE_LIBXML2],
            [Should be defined in order to enable LIBXML2 support.])
AH_TEMPLATE([ENABLE_GEOPACKAGE],
            [Should be defined in order to enable GeoPackage support.])


AH_TEMPLATE([TARGET_CPU],
            [Should contain a text-string describing the intended target CPU])
AH_TEMPLATE([HAVE_DECL_SQLITE_INDEX_CONSTRAINT_LIKE],
            [depending on SQLite library version.])

# Checks for header files.
AC_CHECK_HEADERS(stdlib.h,, [AC_MSG_ERROR([cannot find stdlib.h, bailing out])])
AC_CHECK_HEADERS(stdio.h,, [AC_MSG_ERROR([cannot find stdio.h, bailing out])])
AC_CHECK_HEADERS(string.h,, [AC_MSG_ERROR([cannot find string.h, bailing out])])
AC_CHECK_HEADERS(memory.h,, [AC_MSG_ERROR([cannot find memory.h, bailing out])])
AC_CHECK_HEADERS(math.h,, [AC_MSG_ERROR([cannot find math.h, bailing out])])
................................................................................
		src/gaiageo/lemon/lemon_src/Makefile \
		src/geopackage/Makefile \
		src/spatialite/Makefile \
		src/shapefiles/Makefile \
		src/dxf/Makefile \
		src/md5/Makefile \
		src/control_points/Makefile \
		src/cutter/Makefile \
		src/topology/Makefile \
		src/srsinit/Makefile \
		src/srsinit/epsg_update/Makefile \
		src/stored_procedures/Makefile \
		src/connection_cache/Makefile \
		src/connection_cache/generator/Makefile \
		src/virtualtext/Makefile \
		src/wfs/Makefile \
		test/Makefile \
		test/sql_stmt_tests/Makefile \
		test/sql_stmt_geos_tests/Makefile \
		test/sql_stmt_geosadvanced_tests/Makefile \
		test/sql_stmt_geopackage_tests/Makefile \
		test/sql_stmt_gpkg_epsg492_tests/Makefile \
		test/sql_stmt_gpkg_epsg493_tests/Makefile \
		test/sql_stmt_proj_tests/Makefile \
		test/sql_stmt_proj492_tests/Makefile \
		test/sql_stmt_proj493_tests/Makefile \
		test/sql_stmt_mathsql_tests/Makefile \
		test/sql_stmt_rtgeom_tests/Makefile \
		test/sql_stmt_rttopo_tests/Makefile \
		test/sql_stmt_libxml2_tests/Makefile \
		test/sql_stmt_security_tests/Makefile \
		test/sql_stmt_xmlsec_tests/Makefile \
		test/sql_stmt_freexl_tests/Makefile \
		test/sql_stmt_cache_tests/Makefile \
		test/sql_stmt_gpkgcache_tests/Makefile \
		test/sql_stmt_nocache_tests/Makefile \
		test/sql_stmt_gpkgnocache_tests/Makefile \
		test/sql_stmt_voronoj1_tests/Makefile \
		test/sql_stmt_voronoj2_tests/Makefile \
		test/sql_stmt_sequence_tests/Makefile \
		test/sql_stmt_routing_tests/Makefile \
		test/sql_stmt_logfile_tests/Makefile \
		test/sql_stmt_iconv_tests/Makefile \
		test/sql_stmt_point_geom/Makefile \
		test/sql_stmt_tiny_point/Makefile \
		examples/Makefile \
		Doxyfile \
		spatialite.pc])

# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
AC_DEFINE_UNQUOTED([TARGET_CPU], ["$splite_cpu"])
................................................................................
  [--enable-geocallbacks], [enables geometry callbacks [default=no]])],
  [], [enable_geocallbacks=no])
if test x"$enable_geocallbacks" == "xyes"; then
  AC_CHECK_LIB(sqlite3,sqlite3_rtree_geometry_callback,,AC_MSG_ERROR([obsolete 'libsqlite3' (< v.3.7.3). please retry specifying: --disable-geocallbacks]),-lm)
else
  AC_DEFINE(OMIT_GEOCALLBACKS)
fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-knn
#
AC_ARG_ENABLE(knn, [AS_HELP_STRING(
  [--enable-knn], [enables KNN support [default=yes]])],
  [], [enable_knn=yes])
if test x"$enable_knn" == "xyes"; then
  AC_CHECK_LIB(sqlite3,sqlite3_rtree_query_callback,,AC_MSG_ERROR([obsolete 'libsqlite3' (< v.3.8.5). please retry specifying: --disable-knn]),-lm)
else
  AC_DEFINE(OMIT_KNN)
fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-proj
#
AC_ARG_ENABLE(proj, [AS_HELP_STRING(
  [--enable-proj], [enables PROJ.4 inclusion [default=yes]])],
................................................................................
  AC_SEARCH_LIBS(GEOSCoveredBy,geos_c,,AC_MSG_ERROR([could not find libgeos_c (or obsolete 'libgeos_c' < v.3.3.0 found) - you may need to specify the directory of a geos-config file using --with-geosconfig]))
  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  AC_ARG_ENABLE(gcp, [AS_HELP_STRING(
	  [--enable-gcp], [enables Control Points (from Grass GIS) [default=no]])],
	  [], [enable_gcp=no])
  if test x"$enable_gcp" != "xno"; then
	  AC_DEFINE(ENABLE_GCP)
  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  AC_ARG_ENABLE(geosadvanced, [AS_HELP_STRING(
	  [--enable-geosadvanced], [enables GEOS advanced features [default=yes]])],
	  [], [enable_geosadvanced=yes])
  if test x"$enable_geosadvanced" != "xno"; then
	  AC_SEARCH_LIBS(GEOSDelaunayTriangulation,geos_c,,AC_MSG_ERROR(['libgeos_c' (>= v.3.4.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-geosadvanced parameter.]))
	  AC_DEFINE(GEOS_ADVANCED)
  fi

  #-----------------------------------------------------------------------
  #   --enable-geosreentrant
  #
  AC_ARG_ENABLE(geosreentrant, [AS_HELP_STRING(
	  [--enable-geosreentrant], [enables GEOS reentrant (fully thread safe) [default=yes]])],
	  [], [enable_geosreentrant=yes])
  if test x"$enable_geosreentrant" != "xno"; then
	  AC_SEARCH_LIBS(GEOSContext_setErrorMessageHandler_r,geos_c,,AC_MSG_ERROR(['libgeos_c' (>= v.3.5.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-geosreentrant parameter.]))
	  AC_DEFINE(GEOS_REENTRANT)
  fi

  #-----------------------------------------------------------------------
  #   --with-geosonlyreentrant
  #
  AC_ARG_WITH(geosonlyreentrant, [AS_HELP_STRING(
	  [--with-geosonlyreentrant], [completely disables GEOS non-thread safe API [default=no]])],
	  [], [with_geosonlyreentrant=no])
  if test x"$with_geosonlyreentrant" != "xno"; then
	  AC_DEFINE(GEOS_ONLY_REENTRANT)
  fi

  #-----------------------------------------------------------------------
  #   --enable-rttopo
  #
  AC_ARG_ENABLE(rttopo, [AS_HELP_STRING(
	  [--enable-rttopo], [enables RTTOPO support [default=no]])],
	  [], [enable_rttopo=no])
  if test x"$enable_rttopo" != "xno"; then
	  AC_CHECK_HEADERS(librttopo.h,, [AC_MSG_ERROR([cannot find librttopo.h, bailing out])])
	  AC_SEARCH_LIBS(rtt_AddLineNoFace,rttopo,,AC_MSG_ERROR(['librttopo' (>= v.1.1.0) is required but it doesn't seem to be installed on this system. You may need to try re-running configure with a --disable-rttopo parameter.]))
	  AC_DEFINE(ENABLE_RTTOPO)
  fi
else
  AC_DEFINE(OMIT_GEOS)
fi

#-----------------------------------------------------------------------
#   --enable-libxml2
................................................................................
#
AC_ARG_ENABLE(examples, [AS_HELP_STRING(
       [--enable-examples], [enables building examples [default=yes]])],
       [], [enable_examples=yes])
AM_CONDITIONAL(ENABLE_EXAMPLES, [test x"$enable_examples" != "xno"])
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-module-only
#
AC_ARG_ENABLE(module-only, [AS_HELP_STRING(
       [--enable-module-only], [builds only mod_spatialite alone [default=no]])],
       [], [enable_module_only=no])
AM_CONDITIONAL(MODULE_ONLY, [test x"$enable_module_only" != "xno"])
#-----------------------------------------------------------------------

# Checking for MinGW
AM_CONDITIONAL([MINGW], [test "$target_alias" = "mingw32"])
# Checking for Mac OsX
AM_CONDITIONAL([MACOSX], [test "$target_alias" = "macosx"])
# Checking for Android
AM_CONDITIONAL([ANDROID], [test "$target_alias" = "android"])

# testing for sqlite 3-10 or later
AC_CHECK_DECL([SQLITE_INDEX_CONSTRAINT_LIKE],
  [AC_DEFINE(HAVE_DECL_SQLITE_INDEX_CONSTRAINT_LIKE)],[],[[#include <sqlite3.h>]])

AC_OUTPUT

#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_rttopo" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_gcp" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo 
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-rttopo and/or --enable-gcp"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich takes precedence over any other license."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-rttopo --disable-gcp"
    echo "=============================================================="
  
fi

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.61)
AC_INIT(libspatialite, 4.3.0-devel, a.furieri@lqt.it)
AC_LANG(C)
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([foreign])
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(config.h)

................................................................................
AC_DEFINE(NDEBUG)

# config depending options
AH_TEMPLATE([OMIT_GEOS],
            [Should be defined in order to disable GEOS support.])
AH_TEMPLATE([GEOS_ADVANCED],
            [Should be defined in order to enable GEOS_ADVANCED support.])
AH_TEMPLATE([GEOS_TRUNK],
            [Should be defined in order to enable GEOS_TRUNK experimental support.])


AH_TEMPLATE([ENABLE_LWGEOM],
            [Should be defined in order to enable LWGEOM support.])
AH_TEMPLATE([ENABLE_CONTROL_POINTS],
            [Should be defined in order to enable CONTROL_POINTS support.])
AH_TEMPLATE([OMIT_PROJ],
            [Should be defined in order to disable PROJ.4 support.])
AH_TEMPLATE([OMIT_ICONV],
            [Should be defined in order to disable ICONV support.])
AH_TEMPLATE([OMIT_MATHSQL],
            [Should be defined in order to disable MATHSQL support.])
AH_TEMPLATE([OMIT_EPSG],
            [Should be defined in order to disable EPSG full support.])
AH_TEMPLATE([OMIT_GEOCALLBACKS],
            [Should be defined in order to disable GEOCALLBACKS support.])


AH_TEMPLATE([OMIT_FREEXL],
            [Should be defined in order to disable FREEXL support.])
AH_TEMPLATE([ENABLE_LIBXML2],
            [Should be defined in order to enable LIBXML2 support.])
AH_TEMPLATE([ENABLE_GEOPACKAGE],
            [Should be defined in order to enable GeoPackage support.])
AH_TEMPLATE([POSTGIS_2_1],
            [Should be defined when linking liblwgeom from PostGIS 2.1 (or later).])
AH_TEMPLATE([TARGET_CPU],
            [Should contain a text-string describing the intended target CPU])



# Checks for header files.
AC_CHECK_HEADERS(stdlib.h,, [AC_MSG_ERROR([cannot find stdlib.h, bailing out])])
AC_CHECK_HEADERS(stdio.h,, [AC_MSG_ERROR([cannot find stdio.h, bailing out])])
AC_CHECK_HEADERS(string.h,, [AC_MSG_ERROR([cannot find string.h, bailing out])])
AC_CHECK_HEADERS(memory.h,, [AC_MSG_ERROR([cannot find memory.h, bailing out])])
AC_CHECK_HEADERS(math.h,, [AC_MSG_ERROR([cannot find math.h, bailing out])])
................................................................................
		src/gaiageo/lemon/lemon_src/Makefile \
		src/geopackage/Makefile \
		src/spatialite/Makefile \
		src/shapefiles/Makefile \
		src/dxf/Makefile \
		src/md5/Makefile \
		src/control_points/Makefile \


		src/srsinit/Makefile \
		src/srsinit/epsg_update/Makefile \

		src/connection_cache/Makefile \
		src/connection_cache/generator/Makefile \
		src/virtualtext/Makefile \
		src/wfs/Makefile \
		test/Makefile \
		test/sql_stmt_tests/Makefile \
		test/sql_stmt_geos_tests/Makefile \
		test/sql_stmt_geosadvanced_tests/Makefile \
		test/sql_stmt_geopackage_tests/Makefile \


		test/sql_stmt_proj_tests/Makefile \


		test/sql_stmt_mathsql_tests/Makefile \
		test/sql_stmt_lwgeom_tests/Makefile \

		test/sql_stmt_libxml2_tests/Makefile \
		test/sql_stmt_security_tests/Makefile \
		test/sql_stmt_xmlsec_tests/Makefile \
		test/sql_stmt_freexl_tests/Makefile \












		examples/Makefile \
		Doxyfile \
		spatialite.pc])

# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
AC_DEFINE_UNQUOTED([TARGET_CPU], ["$splite_cpu"])
................................................................................
  [--enable-geocallbacks], [enables geometry callbacks [default=no]])],
  [], [enable_geocallbacks=no])
if test x"$enable_geocallbacks" == "xyes"; then
  AC_CHECK_LIB(sqlite3,sqlite3_rtree_geometry_callback,,AC_MSG_ERROR([obsolete 'libsqlite3' (< v.3.7.3). please retry specifying: --disable-geocallbacks]),-lm)
else
  AC_DEFINE(OMIT_GEOCALLBACKS)
fi













#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-proj
#
AC_ARG_ENABLE(proj, [AS_HELP_STRING(
  [--enable-proj], [enables PROJ.4 inclusion [default=yes]])],
................................................................................
  AC_SEARCH_LIBS(GEOSCoveredBy,geos_c,,AC_MSG_ERROR([could not find libgeos_c (or obsolete 'libgeos_c' < v.3.3.0 found) - you may need to specify the directory of a geos-config file using --with-geosconfig]))
  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  AC_ARG_ENABLE(controlpoints, [AS_HELP_STRING(
	  [--enable-controlpoints], [enables Control Points (from Grass GIS) [default=no]])],
	  [], [enable_controlpoints=no])
  if test x"$enable_controlpoints" != "xno"; then
	  AC_DEFINE(ENABLE_CONTROL_POINTS)
  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  AC_ARG_ENABLE(geosadvanced, [AS_HELP_STRING(
	  [--enable-geosadvanced], [enables GEOS advanced features [default=yes]])],
	  [], [enable_geosadvanced=yes])
  if test x"$enable_geosadvanced" != "xno"; then
	  AC_SEARCH_LIBS(GEOSDelaunayTriangulation,geos_c,,AC_MSG_ERROR(['libgeos_c' (>= v.3.4.0) is required but it doesn't seem to be installed on this system.]))
	  AC_DEFINE(GEOS_ADVANCED)
  fi

  #-----------------------------------------------------------------------
  #   --enable-lwgeom
  #
  AC_ARG_ENABLE(lwgeom, [AS_HELP_STRING(
	  [--enable-lwgeom], [enables LWGEOM support [default=no]])],
	  [], [enable_lwgeom=no])
  if test x"$enable_lwgeom" != "xno"; then
	  AC_CHECK_HEADERS(liblwgeom.h,, [AC_MSG_ERROR([cannot find liblwgeom.h, bailing out])])
	  _save_libs="$LIBS"
	  LIBS=$LIBS' -llwgeom -lgeos_c'
	  AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return lwgeom_make_valid(); return 0; }
	    void lwgeom_init_allocators(void) { return; } ])],
	    [AC_DEFINE(ENABLE_LWGEOM)],
            [AC_MSG_ERROR(['liblwgeom' doesn't seem to be installed on this system; unsupported lwgeom_make_valid().])])
	  LIBS="$_save_libs"
	  LIBS=$LIBS' -llwgeom -lgeos_c'
	#
	# testing for PostGIS 2.1 - lwgeom_set_handlers
	#
	  AC_SEARCH_LIBS(lwgeom_set_handlers,geos_c,AC_DEFINE(POSTGIS_2_1))











  fi
else
  AC_DEFINE(OMIT_GEOS)
fi

#-----------------------------------------------------------------------
#   --enable-libxml2
................................................................................
#
AC_ARG_ENABLE(examples, [AS_HELP_STRING(
       [--enable-examples], [enables building examples [default=yes]])],
       [], [enable_examples=yes])
AM_CONDITIONAL(ENABLE_EXAMPLES, [test x"$enable_examples" != "xno"])
#-----------------------------------------------------------------------










# Checking for MinGW
AM_CONDITIONAL([MINGW], [test "$target_alias" = "mingw32"])
# Checking for Mac OsX
AM_CONDITIONAL([MACOSX], [test "$target_alias" = "macosx"])
# Checking for Android
AM_CONDITIONAL([ANDROID], [test "$target_alias" = "android"])





AC_OUTPUT

#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_controlpoints" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo 
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-controlpoints"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-controlpoints"
    echo "=============================================================="
    
fi

if MODULE_ONLY
noinst_PROGRAMS = 
else
noinst_PROGRAMS = demo1 demo2 demo3 demo4 demo5
endif

AM_CFLAGS = -I@srcdir@/../src/headers 
AM_LDFLAGS = -L../src -lspatialite -lm $(GCOV_FLAGS)

LDADD = @LIBXML2_LIBS@

MOSTLYCLEANFILES = *.gcna *.gcno *.gcda

EXTRA_DIST = examples.doxy

noinst_PROGRAMS = demo1 demo2 demo3 demo4 demo5


AM_CFLAGS = -I@srcdir@/../src/headers 
AM_LDFLAGS = -L../src -lspatialite -lm $(GCOV_FLAGS)

LDADD = @LIBXML2_LIBS@

MOSTLYCLEANFILES = *.gcna *.gcno *.gcda

EXTRA_DIST = examples.doxy

# Makefile.in generated by automake 1.15 from Makefile.am.
# @configure_input@

# Copyright (C) 1994-2014 Free Software Foundation, Inc.

# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.

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@MODULE_ONLY_FALSE@	demo3$(EXEEXT) demo4$(EXEEXT) \
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CONFIG_CLEAN_FILES =
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am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp
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................................................................................
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.PRECIOUS: Makefile


# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# @configure_input@

# Copyright (C) 1994-2013 Free Software Foundation, Inc.

# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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AUTOCONF = @AUTOCONF@
................................................................................
	        && { if test -f $@; then exit 0; else break; fi; }; \
	      exit 1;; \
	  esac; \
	done; \
	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign examples/Makefile'; \
	$(am__cd) $(top_srcdir) && \
	  $(AUTOMAKE) --foreign examples/Makefile
.PRECIOUS: Makefile
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
	@case '$?' in \
	  *config.status*) \
	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
	  *) \
	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
................................................................................
	install-info-am install-man install-pdf install-pdf-am \
	install-ps install-ps-am install-strip installcheck \
	installcheck-am installdirs maintainer-clean \
	maintainer-clean-generic mostlyclean mostlyclean-compile \
	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
	tags tags-am uninstall uninstall-am




# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

  each single connection
- allocating/freeing this block falls under the responsibility 
  of the program handling the connection
- in multithreaded programs a connection can never be share by
  different threads; the internal-cache block must be allocated
  by the same thread holding the connection
*/

    cache = spatialite_alloc_connection ();
    spatialite_init_ex (handle, cache, 0);


/* showing the SQLite version */
    printf ("SQLite version: %s\n", sqlite3_libversion ());
/* showing the SpatiaLite version */
................................................................................
					      printf ("%s SRID=%d", geom_name,
						      geom->Srid);
					      if (geom_type == GAIA_LINESTRING
						  || geom_type ==
						  GAIA_MULTILINESTRING)
						{
#ifndef OMIT_GEOS		/* GEOS is required */
						    gaiaGeomCollLength_r (cache,
									  geom,
									  &measure);
						    printf (" length=%1.2f",
							    measure);
#else
						    printf
							(" length=?? [no GEOS support available]");
#endif /* GEOS enabled/disabled */
						}
................................................................................
/* we have to free the dynamic pointer array used to store geotable names */
    for (i = 0; i < n_geotables; i++)
      {
/* freeing each tablename */
	  free (p_geotables[i]);
      }
    free (p_geotables);
    spatialite_shutdown ();
    return 0;

  abort:
    sqlite3_close (handle);

/* freeing the internal-cache memory block */
    spatialite_cleanup_ex (cache);
................................................................................
	  for (i = 0; i < n_geotables; i++)
	    {
/* freeing each tablename */
		free (p_geotables[i]);
	    }
	  free (p_geotables);
      }
    spatialite_shutdown ();
    return -1;
}

  each single connection
- allocating/freeing this block falls under the responsibility 
  of the program handling the connection
- in multithreaded programs a connection can never be share by
  different threads; the internal-cache block must be allocated
  by the same thread holding the connection
*/
    
    cache = spatialite_alloc_connection ();
    spatialite_init_ex (handle, cache, 0);


/* showing the SQLite version */
    printf ("SQLite version: %s\n", sqlite3_libversion ());
/* showing the SpatiaLite version */
................................................................................
					      printf ("%s SRID=%d", geom_name,
						      geom->Srid);
					      if (geom_type == GAIA_LINESTRING
						  || geom_type ==
						  GAIA_MULTILINESTRING)
						{
#ifndef OMIT_GEOS		/* GEOS is required */
						    gaiaGeomCollLength (geom,

									&measure);
						    printf (" length=%1.2f",
							    measure);
#else
						    printf
							(" length=?? [no GEOS support available]");
#endif /* GEOS enabled/disabled */
						}
................................................................................
/* we have to free the dynamic pointer array used to store geotable names */
    for (i = 0; i < n_geotables; i++)
      {
/* freeing each tablename */
	  free (p_geotables[i]);
      }
    free (p_geotables);
    spatialite_shutdown();
    return 0;

  abort:
    sqlite3_close (handle);

/* freeing the internal-cache memory block */
    spatialite_cleanup_ex (cache);
................................................................................
	  for (i = 0; i < n_geotables; i++)
	    {
/* freeing each tablename */
		free (p_geotables[i]);
	    }
	  free (p_geotables);
      }
    spatialite_shutdown();
    return -1;
}

/* we'll allocate a Geometry object */
    geo_pt = gaiaAllocGeomColl ();
/* then we insert a POINT, directly passing its coordinates */
    gaiaAddPointToGeomColl (geo_pt, 1.5, 2.75);
/* now we'll print the main attributes for this geometry */
    printf ("step#1: %s\t\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_pt)),
	    gaiaDimension (geo_pt), gaiaIsValid_r (cache, geo_pt));
    geometry_printout (geo_pt);



/*
Step #2
creating and checking a LINESTRING Geometry
................................................................................
    gaiaSetPoint (line->Coords, 2, 2.0, 2.0);
    gaiaSetPoint (line->Coords, 3, 100.0, 2.0);
    gaiaSetPoint (line->Coords, 4, 100.0, 100.0);


    printf ("\nstep#2: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_ln)),
	    gaiaDimension (geo_ln), gaiaIsValid_r (cache, geo_ln));
    geometry_printout (geo_ln);



/*
Step #3
creating and checking a POLYGON Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 2, 31.0, 31.0);
    gaiaSetPoint (ring->Coords, 3, 30.0, 31.0);
    gaiaSetPoint (ring->Coords, 4, 30.0, 30.0);


    printf ("\nstep#3: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_pg)),
	    gaiaDimension (geo_pg), gaiaIsValid_r (cache, geo_pg));
    geometry_printout (geo_pg);



/*
Step #4
creating and checking a MULTIPOINT Geometry
................................................................................
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 15.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 15.0);
    gaiaAddPointToGeomColl (geo_mpt, 25.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 25.0);
    printf ("\nstep#4: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mpt)),
	    gaiaDimension (geo_mpt), gaiaIsValid_r (cache, geo_mpt));
    geometry_printout (geo_mpt);



/*
Step #5
creating and checking a MULTILINESTRING Geometry
................................................................................

    line = gaiaAddLinestringToGeomColl (geo_mln, 2);
    gaiaSetPoint (line->Coords, 0, 40.0, 50.0);
    gaiaSetPoint (line->Coords, 1, 50.0, 40.0);

    printf ("\nstep#5: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mln)),
	    gaiaDimension (geo_mln), gaiaIsValid_r (cache, geo_mln));
    geometry_printout (geo_mln);



/*
Step #6
creating and checking a MULTIPOLYGON Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 1, 90.0, 80.0);
    gaiaSetPoint (ring->Coords, 2, 90.0, 90.0);
    gaiaSetPoint (ring->Coords, 3, 80.0, 90.0);
    gaiaSetPoint (ring->Coords, 4, 80.0, 80.0);

    printf ("\nstep#6: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mpg)),
	    gaiaDimension (geo_mpg), gaiaIsValid_r (cache, geo_mpg));
    geometry_printout (geo_mpg);



/*
Step #7
creating and checking a GEOMETRYCOLLECTION Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 1, 190.0, 180.0);
    gaiaSetPoint (ring->Coords, 2, 190.0, 190.0);
    gaiaSetPoint (ring->Coords, 3, 180.0, 190.0);
    gaiaSetPoint (ring->Coords, 4, 180.0, 180.0);

    printf ("\nstep#7: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_coll)),
	    gaiaDimension (geo_coll), gaiaIsValid_r (cache, geo_coll));
    geometry_printout (geo_coll);




/*
Step #8
................................................................................
	gaiaFreeGeomColl (geo_mln);
    if (geo_mpg)
	gaiaFreeGeomColl (geo_mpg);
    if (geo_coll)
	gaiaFreeGeomColl (geo_coll);
    sqlite3_close (handle);
    spatialite_cleanup_ex (cache);
    spatialite_shutdown ();
    return 0;
}

/* we'll allocate a Geometry object */
    geo_pt = gaiaAllocGeomColl ();
/* then we insert a POINT, directly passing its coordinates */
    gaiaAddPointToGeomColl (geo_pt, 1.5, 2.75);
/* now we'll print the main attributes for this geometry */
    printf ("step#1: %s\t\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_pt)),
	    gaiaDimension (geo_pt), gaiaIsValid (geo_pt));
    geometry_printout (geo_pt);



/*
Step #2
creating and checking a LINESTRING Geometry
................................................................................
    gaiaSetPoint (line->Coords, 2, 2.0, 2.0);
    gaiaSetPoint (line->Coords, 3, 100.0, 2.0);
    gaiaSetPoint (line->Coords, 4, 100.0, 100.0);


    printf ("\nstep#2: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_ln)),
	    gaiaDimension (geo_ln), gaiaIsValid (geo_ln));
    geometry_printout (geo_ln);



/*
Step #3
creating and checking a POLYGON Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 2, 31.0, 31.0);
    gaiaSetPoint (ring->Coords, 3, 30.0, 31.0);
    gaiaSetPoint (ring->Coords, 4, 30.0, 30.0);


    printf ("\nstep#3: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_pg)),
	    gaiaDimension (geo_pg), gaiaIsValid (geo_pg));
    geometry_printout (geo_pg);



/*
Step #4
creating and checking a MULTIPOINT Geometry
................................................................................
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 15.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 15.0);
    gaiaAddPointToGeomColl (geo_mpt, 25.0, 5.0);
    gaiaAddPointToGeomColl (geo_mpt, 5.0, 25.0);
    printf ("\nstep#4: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mpt)),
	    gaiaDimension (geo_mpt), gaiaIsValid (geo_mpt));
    geometry_printout (geo_mpt);



/*
Step #5
creating and checking a MULTILINESTRING Geometry
................................................................................

    line = gaiaAddLinestringToGeomColl (geo_mln, 2);
    gaiaSetPoint (line->Coords, 0, 40.0, 50.0);
    gaiaSetPoint (line->Coords, 1, 50.0, 40.0);

    printf ("\nstep#5: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mln)),
	    gaiaDimension (geo_mln), gaiaIsValid (geo_mln));
    geometry_printout (geo_mln);



/*
Step #6
creating and checking a MULTIPOLYGON Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 1, 90.0, 80.0);
    gaiaSetPoint (ring->Coords, 2, 90.0, 90.0);
    gaiaSetPoint (ring->Coords, 3, 80.0, 90.0);
    gaiaSetPoint (ring->Coords, 4, 80.0, 80.0);

    printf ("\nstep#6: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_mpg)),
	    gaiaDimension (geo_mpg), gaiaIsValid (geo_mpg));
    geometry_printout (geo_mpg);



/*
Step #7
creating and checking a GEOMETRYCOLLECTION Geometry
................................................................................
    gaiaSetPoint (ring->Coords, 1, 190.0, 180.0);
    gaiaSetPoint (ring->Coords, 2, 190.0, 190.0);
    gaiaSetPoint (ring->Coords, 3, 180.0, 190.0);
    gaiaSetPoint (ring->Coords, 4, 180.0, 180.0);

    printf ("\nstep#7: %s\tDimension=%d IsValid=%d\n",
	    geom_type (gaiaGeometryType (geo_coll)),
	    gaiaDimension (geo_coll), gaiaIsValid (geo_coll));
    geometry_printout (geo_coll);




/*
Step #8
................................................................................
	gaiaFreeGeomColl (geo_mln);
    if (geo_mpg)
	gaiaFreeGeomColl (geo_mpg);
    if (geo_coll)
	gaiaFreeGeomColl (geo_coll);
    sqlite3_close (handle);
    spatialite_cleanup_ex (cache);
    spatialite_shutdown();
    return 0;
}

	src\gaiageo\gg_geodesic.obj src\gaiageo\gg_geoJSON.obj \
	src\gaiageo\gg_geometries.obj src\gaiageo\gg_geoscvt.obj \
	src\gaiageo\gg_gml.obj src\gaiageo\gg_kml.obj \
	src\gaiageo\gg_relations.obj src\gaiageo\gg_shape.obj \
	src\gaiageo\gg_transform.obj src\gaiageo\gg_vanuatu.obj \
	src\gaiageo\gg_wkb.obj src\gaiageo\gg_wkt.obj \
	src\gaiageo\gg_extras.obj src\gaiageo\gg_xml.obj \
	src\gaiageo\gg_voronoj.obj src\gaiageo\gg_matrix.obj \
	src\gaiageo\gg_relations_ext.obj src\gaiageo\gg_rttopo.obj \
	src/connection_cache/alloc_cache.obj src/connection_cache/gg_sequence.obj \
	src\spatialite\mbrcache.obj src\shapefiles\shapefiles.obj \
	src\spatialite\spatialite.obj src\spatialite\virtualdbf.obj \
	src\spatialite\virtualfdo.obj src\spatialite\virtualnetwork.obj \
	src\spatialite\virtualshape.obj src\spatialite\virtualspatialindex.obj \
	src\spatialite\statistics.obj src\spatialite\metatables.obj \
	src\spatialite\virtualXL.obj src\spatialite\extra_tables.obj \
	src\spatialite\virtualxpath.obj src\spatialite\virtualbbox.obj \
	src\spatialite\spatialite_init.obj src\spatialite\se_helpers.obj \
	src\spatialite\srid_aux.obj src\spatialite\table_cloner.obj \
	src\spatialite\virtualelementary.obj src\spatialite\virtualrouting.obj \
	src\spatialite\create_routing.obj \
	src\wfs\wfs_in.obj src\srsinit\srs_init.obj \
	src\dxf\dxf_parser.obj src\dxf\dxf_loader.obj src\dxf\dxf_writer.obj \
	src\dxf\dxf_load_distinct.obj src\dxf\dxf_load_mixed.obj \
	src\shapefiles\validator.obj src\md5\md5.obj src\md5\gaia_md5.obj \
	src\srsinit\epsg_inlined_00.obj src\srsinit\epsg_inlined_01.obj \
	src\srsinit\epsg_inlined_02.obj src\srsinit\epsg_inlined_03.obj \
	src\srsinit\epsg_inlined_04.obj src\srsinit\epsg_inlined_05.obj \
................................................................................
	src\srsinit\epsg_inlined_32.obj src\srsinit\epsg_inlined_33.obj \
	src\srsinit\epsg_inlined_34.obj src\srsinit\epsg_inlined_35.obj \
	src\srsinit\epsg_inlined_36.obj src\srsinit\epsg_inlined_37.obj \
	src\srsinit\epsg_inlined_38.obj src\srsinit\epsg_inlined_39.obj \
	src\srsinit\epsg_inlined_40.obj src\srsinit\epsg_inlined_41.obj \
	src\srsinit\epsg_inlined_42.obj src\srsinit\epsg_inlined_43.obj \
	src\srsinit\epsg_inlined_44.obj src\srsinit\epsg_inlined_45.obj \
	src\srsinit\epsg_inlined_46.obj src\srsinit\epsg_inlined_47.obj \
	src\srsinit\epsg_inlined_48.obj src\srsinit\epsg_inlined_49.obj \
	src\srsinit\epsg_inlined_50.obj src\srsinit\epsg_inlined_51.obj \
	src\srsinit\epsg_inlined_extra.obj src\srsinit\epsg_inlined_prussian.obj \
	src\srsinit\epsg_inlined_wgs84_00.obj src\srsinit\epsg_inlined_wgs84_01.obj \
	src\versioninfo\version.obj src\virtualtext\virtualtext.obj \
	src\cutter\gaia_cutter.obj src\spatialite\virtualknn.obj \
	src\topology\gaia_auxnet.obj src\topology\gaia_topostmts.obj \
	src\topology\gaia_auxtopo.obj src\topology\lwn_network.obj \
	src\topology\gaia_netstmts.obj src\topology\net_callbacks.obj \
	src\topology\gaia_network.obj src\topology\topo_callbacks.obj \
	src\topology\gaia_topology.obj \
	src\stored_procedures\stored_procedures.obj

SPATIALITE_DLL = spatialite$(VERSION).dll

CFLAGS = /nologo -I.\src\headers -I.\src\topology \
	-I. -IC:\OSGeo4W\include $(OPTFLAGS)

default:	all

all: spatialite.lib spatialite_i.lib
#$(EXIF_LOADER_EXE)

spatialite.lib:	$(LIBOBJ)
................................................................................
	$(CC) $(CFLAGS) /c $*.c /Fo$@
	
clean:
	del *.dll
	del *.exp
	del *.manifest
	del *.lib
	del src\connection_cache\*.obj
	del src\cutter\*.obj
	del src\gaiaaux\*.obj
	del src\gaiaexif\*.obj
	del src\gaiageo\*.obj
	del src\shapefiles\*.obj
	del src\spatialite\*.obj
	del src\srsinit\*.obj
	del src\versioninfo\*.obj
	del src\virtualtext\*.obj
	del src\wfs\*.obj
	del src\dxf\*.obj
	del src\md5\*.obj
	del src\topology\*.obj
	del src\stored_procedures\*.obj
	del *.pdb

install: all
	-mkdir $(INSTDIR)
	-mkdir $(INSTDIR)\bin
	-mkdir $(INSTDIR)\lib
	-mkdir $(INSTDIR)\include
	-mkdir $(INSTDIR)\include\spatialite
	copy *.dll $(INSTDIR)\bin
	copy *.lib $(INSTDIR)\lib
	copy src\headers\spatialite.h $(INSTDIR)\include
	copy src\headers\spatialite\*.h $(INSTDIR)\include\spatialite
	

	src\gaiageo\gg_geodesic.obj src\gaiageo\gg_geoJSON.obj \
	src\gaiageo\gg_geometries.obj src\gaiageo\gg_geoscvt.obj \
	src\gaiageo\gg_gml.obj src\gaiageo\gg_kml.obj \
	src\gaiageo\gg_relations.obj src\gaiageo\gg_shape.obj \
	src\gaiageo\gg_transform.obj src\gaiageo\gg_vanuatu.obj \
	src\gaiageo\gg_wkb.obj src\gaiageo\gg_wkt.obj \
	src\gaiageo\gg_extras.obj src\gaiageo\gg_xml.obj \

	src\gaiageo\gg_relations_ext.obj src/connection_cache/alloc_cache.obj \

	src\spatialite\mbrcache.obj src\shapefiles\shapefiles.obj \
	src\spatialite\spatialite.obj src\spatialite\virtualdbf.obj \
	src\spatialite\virtualfdo.obj src\spatialite\virtualnetwork.obj \
	src\spatialite\virtualshape.obj src\spatialite\virtualspatialindex.obj \
	src\spatialite\statistics.obj src\spatialite\metatables.obj \
	src\spatialite\virtualXL.obj src\spatialite\extra_tables.obj \
	src\spatialite\virtualxpath.obj src\spatialite\virtualbbox.obj \
	src\spatialite\spatialite_init.obj src\gaiageo\gg_voronoj.obj \



	src\wfs\wfs_in.obj src\srsinit\srs_init.obj \
	src\dxf\dxf_parser.obj src\dxf\dxf_loader.obj src\dxf\dxf_writer.obj \
	src\dxf\dxf_load_distinct.obj src\dxf\dxf_load_mixed.obj \
	src\shapefiles\validator.obj src\md5\md5.obj src\md5\gaia_md5.obj \
	src\srsinit\epsg_inlined_00.obj src\srsinit\epsg_inlined_01.obj \
	src\srsinit\epsg_inlined_02.obj src\srsinit\epsg_inlined_03.obj \
	src\srsinit\epsg_inlined_04.obj src\srsinit\epsg_inlined_05.obj \
................................................................................
	src\srsinit\epsg_inlined_32.obj src\srsinit\epsg_inlined_33.obj \
	src\srsinit\epsg_inlined_34.obj src\srsinit\epsg_inlined_35.obj \
	src\srsinit\epsg_inlined_36.obj src\srsinit\epsg_inlined_37.obj \
	src\srsinit\epsg_inlined_38.obj src\srsinit\epsg_inlined_39.obj \
	src\srsinit\epsg_inlined_40.obj src\srsinit\epsg_inlined_41.obj \
	src\srsinit\epsg_inlined_42.obj src\srsinit\epsg_inlined_43.obj \
	src\srsinit\epsg_inlined_44.obj src\srsinit\epsg_inlined_45.obj \
	src\srsinit\epsg_inlined_extra.obj \


	src\srsinit\epsg_inlined_prussian.obj \
	src\srsinit\epsg_inlined_wgs84_00.obj src\srsinit\epsg_inlined_wgs84_01.obj \
	src\versioninfo\version.obj src\virtualtext\virtualtext.obj








SPATIALITE_DLL = spatialite$(VERSION).dll


CFLAGS = /nologo -I.\src\headers -I. -IC:\OSGeo4W\include $(OPTFLAGS)

default:	all

all: spatialite.lib spatialite_i.lib
#$(EXIF_LOADER_EXE)

spatialite.lib:	$(LIBOBJ)
................................................................................
	$(CC) $(CFLAGS) /c $*.c /Fo$@
	
clean:
	del *.dll
	del *.exp
	del *.manifest
	del *.lib


	del src\gaiaaux\*.obj
	del src\gaiaexif\*.obj
	del src\gaiageo\*.obj

	del src\spatialite\*.obj
	del src\srsinit\*.obj
	del src\versioninfo\*.obj
	del src\virtualtext\*.obj
	del src\wfs\*.obj
	del src\dxf\*.obj
	del src\md5\*.obj


	del *.pdb

install: all
	-mkdir $(INSTDIR)
	-mkdir $(INSTDIR)\bin
	-mkdir $(INSTDIR)\lib
	-mkdir $(INSTDIR)\include
	-mkdir $(INSTDIR)\include\spatialite
	copy *.dll $(INSTDIR)\bin
	copy *.lib $(INSTDIR)\lib
	copy src\headers\spatialite.h $(INSTDIR)\include
	copy src\headers\spatialite\*.h $(INSTDIR)\include\spatialite
	

# $Id: $
#
# NMAKE Makefile to build libspatialite on Windows
#
!INCLUDE nmake64.opt

LIBOBJ = src\gaiaaux\gg_sqlaux.obj src\gaiaaux\gg_utf8.obj \
	src\gaiaexif\gaia_exif.obj src\gaiageo\gg_advanced.obj \
	src\gaiageo\gg_endian.obj src\gaiageo\gg_ewkt.obj \
	src\gaiageo\gg_geodesic.obj src\gaiageo\gg_geoJSON.obj \
	src\gaiageo\gg_geometries.obj src\gaiageo\gg_geoscvt.obj \
	src\gaiageo\gg_gml.obj src\gaiageo\gg_kml.obj \
	src\gaiageo\gg_relations.obj src\gaiageo\gg_shape.obj \
	src\gaiageo\gg_transform.obj src\gaiageo\gg_vanuatu.obj \
	src\gaiageo\gg_wkb.obj src\gaiageo\gg_wkt.obj \
	src\gaiageo\gg_extras.obj src\gaiageo\gg_xml.obj \
	src\gaiageo\gg_voronoj.obj src\gaiageo\gg_matrix.obj \
	src\gaiageo\gg_relations_ext.obj src\gaiageo\gg_rttopo.obj \
	src/connection_cache/alloc_cache.obj src/connection_cache/gg_sequence.obj \
	src\spatialite\mbrcache.obj src\shapefiles\shapefiles.obj \
	src\spatialite\spatialite.obj src\spatialite\virtualdbf.obj \
	src\spatialite\virtualfdo.obj src\spatialite\virtualnetwork.obj \
	src\spatialite\virtualshape.obj src\spatialite\virtualspatialindex.obj \
	src\spatialite\statistics.obj src\spatialite\metatables.obj \
	src\spatialite\virtualXL.obj src\spatialite\extra_tables.obj \
	src\spatialite\virtualxpath.obj src\spatialite\virtualbbox.obj \
	src\spatialite\spatialite_init.obj src\spatialite\se_helpers.obj \
	src\spatialite\srid_aux.obj src\spatialite\table_cloner.obj \
	src\spatialite\virtualelementary.obj src\spatialite\virtualrouting.obj \
	src\spatialite\create_routing.obj \
	src\wfs\wfs_in.obj src\srsinit\srs_init.obj \
	src\dxf\dxf_parser.obj src\dxf\dxf_loader.obj src\dxf\dxf_writer.obj \
	src\dxf\dxf_load_distinct.obj src\dxf\dxf_load_mixed.obj \
	src\shapefiles\validator.obj src\md5\md5.obj src\md5\gaia_md5.obj \
	src\srsinit\epsg_inlined_00.obj src\srsinit\epsg_inlined_01.obj \
	src\srsinit\epsg_inlined_02.obj src\srsinit\epsg_inlined_03.obj \
	src\srsinit\epsg_inlined_04.obj src\srsinit\epsg_inlined_05.obj \
	src\srsinit\epsg_inlined_06.obj src\srsinit\epsg_inlined_07.obj \
	src\srsinit\epsg_inlined_08.obj src\srsinit\epsg_inlined_09.obj \
	src\srsinit\epsg_inlined_10.obj src\srsinit\epsg_inlined_11.obj \
	src\srsinit\epsg_inlined_12.obj src\srsinit\epsg_inlined_13.obj \
	src\srsinit\epsg_inlined_14.obj src\srsinit\epsg_inlined_15.obj \
	src\srsinit\epsg_inlined_16.obj src\srsinit\epsg_inlined_17.obj \
	src\srsinit\epsg_inlined_18.obj src\srsinit\epsg_inlined_19.obj \
	src\srsinit\epsg_inlined_20.obj src\srsinit\epsg_inlined_21.obj \
	src\srsinit\epsg_inlined_22.obj src\srsinit\epsg_inlined_23.obj \
	src\srsinit\epsg_inlined_24.obj src\srsinit\epsg_inlined_25.obj \
	src\srsinit\epsg_inlined_26.obj src\srsinit\epsg_inlined_27.obj \
	src\srsinit\epsg_inlined_28.obj src\srsinit\epsg_inlined_29.obj \
	src\srsinit\epsg_inlined_30.obj src\srsinit\epsg_inlined_31.obj \
	src\srsinit\epsg_inlined_32.obj src\srsinit\epsg_inlined_33.obj \
	src\srsinit\epsg_inlined_34.obj src\srsinit\epsg_inlined_35.obj \
	src\srsinit\epsg_inlined_36.obj src\srsinit\epsg_inlined_37.obj \
	src\srsinit\epsg_inlined_38.obj src\srsinit\epsg_inlined_39.obj \
	src\srsinit\epsg_inlined_40.obj src\srsinit\epsg_inlined_41.obj \
	src\srsinit\epsg_inlined_42.obj src\srsinit\epsg_inlined_43.obj \
	src\srsinit\epsg_inlined_44.obj src\srsinit\epsg_inlined_45.obj \
	src\srsinit\epsg_inlined_46.obj src\srsinit\epsg_inlined_47.obj \
	src\srsinit\epsg_inlined_48.obj src\srsinit\epsg_inlined_49.obj \
	src\srsinit\epsg_inlined_50.obj src\srsinit\epsg_inlined_51.obj \
	src\srsinit\epsg_inlined_extra.obj \
	src\srsinit\epsg_inlined_prussian.obj \
	src\srsinit\epsg_inlined_wgs84_00.obj src\srsinit\epsg_inlined_wgs84_01.obj \
	src\versioninfo\version.obj src\virtualtext\virtualtext.obj \
	src\cutter\gaia_cutter.obj src\spatialite\virtualknn.obj \
	src\topology\gaia_auxnet.obj src\topology\gaia_topostmts.obj \
	src\topology\gaia_auxtopo.obj src\topology\lwn_network.obj \
	src\topology\gaia_netstmts.obj src\topology\net_callbacks.obj \
	src\topology\gaia_network.obj src\topology\topo_callbacks.obj \
	src\topology\gaia_topology.obj \
	src\stored_procedures\stored_procedures.obj

SPATIALITE_DLL = spatialite$(VERSION).dll

CFLAGS = /nologo -I.\src\headers -I.\src\topology \
	-I. -IC:\OSGeo4W64\include -IC:\OSGeo4W64\include\libxml2 $(OPTFLAGS)

default:	all

all: spatialite.lib spatialite_i.lib
#$(EXIF_LOADER_EXE)

spatialite.lib:	$(LIBOBJ)
	if exist spatialite.lib del spatialite.lib
	lib /out:spatialite.lib $(LIBOBJ)

$(SPATIALITE_DLL):	spatialite_i.lib

spatialite_i.lib:     $(LIBOBJ)
	link /debug /dll /out:$(SPATIALITE_DLL) \
		/implib:spatialite_i.lib $(LIBOBJ) \
		C:\OSGeo4W64\lib\proj_i.lib C:\OSGeo4W64\lib\geos_c.lib \
		C:\OSGeo4w64\lib\freexl_i.lib C:\OSGeo4w64\lib\iconv.lib \
		C:\OSGeo4W64\lib\sqlite3_i.lib C:\OSGeo4W64\lib\zlib.lib \
		C:\OSGeo4W64\lib\libxml2.lib
	if exist $(SPATIALITE_DLL).manifest mt -manifest \
		$(SPATIALITE_DLL).manifest -outputresource:$(SPATIALITE_DLL);2
		
.c.obj:
	$(CC) $(CFLAGS) /c $*.c /Fo$@
	
clean:
	del *.dll
	del *.exp
	del *.manifest
	del *.lib
	del src\connection_cache\*.obj
	del src\cutter\*.obj
	del src\gaiaaux\*.obj
	del src\gaiaexif\*.obj
	del src\gaiageo\*.obj
	del src\shapefiles\*.obj
	del src\spatialite\*.obj
	del src\srsinit\*.obj
	del src\versioninfo\*.obj
	del src\virtualtext\*.obj
	del src\wfs\*.obj
	del src\dxf\*.obj
	del src\md5\*.obj
	del src\topology\*.obj
	del src\stored_procedures\*.obj
	del *.pdb

install: all
	-mkdir $(INSTDIR)
	-mkdir $(INSTDIR)\bin
	-mkdir $(INSTDIR)\lib
	-mkdir $(INSTDIR)\include
	-mkdir $(INSTDIR)\include\spatialite
	copy *.dll $(INSTDIR)\bin
	copy *.lib $(INSTDIR)\lib
	copy src\headers\spatialite.h $(INSTDIR)\include
	copy src\headers\spatialite\*.h $(INSTDIR)\include\spatialite
	

# $Id: $
#
# NMAKE Makefile to build libspatialite on Windows
#
!INCLUDE nmake_mod.opt

LIBOBJ = src\gaiaaux\gg_sqlaux.obj src\gaiaaux\gg_utf8.obj \
	src\gaiaexif\gaia_exif.obj src\gaiageo\gg_advanced.obj \
	src\gaiageo\gg_endian.obj src\gaiageo\gg_ewkt.obj \
	src\gaiageo\gg_geodesic.obj src\gaiageo\gg_geoJSON.obj \
	src\gaiageo\gg_geometries.obj src\gaiageo\gg_geoscvt.obj \
	src\gaiageo\gg_gml.obj src\gaiageo\gg_kml.obj \
	src\gaiageo\gg_relations.obj src\gaiageo\gg_shape.obj \
	src\gaiageo\gg_transform.obj src\gaiageo\gg_vanuatu.obj \
	src\gaiageo\gg_wkb.obj src\gaiageo\gg_wkt.obj \
	src\gaiageo\gg_extras.obj src\gaiageo\gg_xml.obj \
	src\gaiageo\gg_voronoj.obj src\gaiageo\gg_matrix.obj \
	src\gaiageo\gg_relations_ext.obj src\gaiageo\gg_rttopo.obj \
	src/connection_cache/alloc_cache.obj src/connection_cache/gg_sequence.obj \
	src\spatialite\mbrcache.obj src\shapefiles\shapefiles.obj \
	src\spatialite\spatialite.obj src\spatialite\virtualdbf.obj \
	src\spatialite\virtualfdo.obj src\spatialite\virtualnetwork.obj \
	src\spatialite\virtualshape.obj src\spatialite\virtualspatialindex.obj \
	src\spatialite\statistics.obj src\spatialite\metatables.obj \
	src\spatialite\virtualXL.obj src\spatialite\extra_tables.obj \
	src\spatialite\virtualxpath.obj src\spatialite\virtualbbox.obj \
	src\spatialite\spatialite_init.obj src\spatialite\se_helpers.obj \
	src\spatialite\srid_aux.obj src\spatialite\table_cloner.obj \
	src\spatialite\virtualelementary.obj  src\spatialite\virtualrouting.obj \
	src\spatialite\create_routing.obj \
	src\wfs\wfs_in.obj src\srsinit\srs_init.obj \
	src\dxf\dxf_parser.obj src\dxf\dxf_loader.obj src\dxf\dxf_writer.obj \
	src\dxf\dxf_load_distinct.obj src\dxf\dxf_load_mixed.obj \
	src\shapefiles\validator.obj src\md5\md5.obj src\md5\gaia_md5.obj \
	src\srsinit\epsg_inlined_00.obj src\srsinit\epsg_inlined_01.obj \
	src\srsinit\epsg_inlined_02.obj src\srsinit\epsg_inlined_03.obj \
	src\srsinit\epsg_inlined_04.obj src\srsinit\epsg_inlined_05.obj \
	src\srsinit\epsg_inlined_06.obj src\srsinit\epsg_inlined_07.obj \
	src\srsinit\epsg_inlined_08.obj src\srsinit\epsg_inlined_09.obj \
	src\srsinit\epsg_inlined_10.obj src\srsinit\epsg_inlined_11.obj \
	src\srsinit\epsg_inlined_12.obj src\srsinit\epsg_inlined_13.obj \
	src\srsinit\epsg_inlined_14.obj src\srsinit\epsg_inlined_15.obj \
	src\srsinit\epsg_inlined_16.obj src\srsinit\epsg_inlined_17.obj \
	src\srsinit\epsg_inlined_18.obj src\srsinit\epsg_inlined_19.obj \
	src\srsinit\epsg_inlined_20.obj src\srsinit\epsg_inlined_21.obj \
	src\srsinit\epsg_inlined_22.obj src\srsinit\epsg_inlined_23.obj \
	src\srsinit\epsg_inlined_24.obj src\srsinit\epsg_inlined_25.obj \
	src\srsinit\epsg_inlined_26.obj src\srsinit\epsg_inlined_27.obj \
	src\srsinit\epsg_inlined_28.obj src\srsinit\epsg_inlined_29.obj \
	src\srsinit\epsg_inlined_30.obj src\srsinit\epsg_inlined_31.obj \
	src\srsinit\epsg_inlined_32.obj src\srsinit\epsg_inlined_33.obj \
	src\srsinit\epsg_inlined_34.obj src\srsinit\epsg_inlined_35.obj \
	src\srsinit\epsg_inlined_36.obj src\srsinit\epsg_inlined_37.obj \
	src\srsinit\epsg_inlined_38.obj src\srsinit\epsg_inlined_39.obj \
	src\srsinit\epsg_inlined_40.obj src\srsinit\epsg_inlined_41.obj \
	src\srsinit\epsg_inlined_42.obj src\srsinit\epsg_inlined_43.obj \
	src\srsinit\epsg_inlined_44.obj src\srsinit\epsg_inlined_45.obj \
	src\srsinit\epsg_inlined_46.obj  src\srsinit\epsg_inlined_47.obj \
	src\srsinit\epsg_inlined_48.obj src\srsinit\epsg_inlined_49.obj \
	src\srsinit\epsg_inlined_50.obj src\srsinit\epsg_inlined_51.obj \
	src\srsinit\epsg_inlined_extra.obj src\srsinit\epsg_inlined_prussian.obj \
	src\srsinit\epsg_inlined_wgs84_00.obj src\srsinit\epsg_inlined_wgs84_01.obj \
	src\versioninfo\version.obj src\virtualtext\virtualtext.obj \
	src\cutter\gaia_cutter.obj  src\spatialite\virtualknn.obj \
	src\topology\gaia_auxnet.obj src\topology\gaia_topostmts.obj \
	src\topology\gaia_auxtopo.obj src\topology\lwn_network.obj \
	src\topology\gaia_netstmts.obj src\topology\net_callbacks.obj \
	src\topology\gaia_network.obj src\topology\topo_callbacks.obj \
	src\topology\gaia_topology.obj  \
	src\stored_procedures\stored_procedures.obj
MOD_SPATIALITE_DLL = mod_spatialite$(VERSION).dll

CFLAGS = /nologo -I.\src\headers -I.\src\topology \
	-I. -IC:\OSGeo4W\include $(OPTFLAGS)

default:	all

all: mod_spatialite.lib mod_spatialite_i.lib
#$(EXIF_LOADER_EXE)

mod_spatialite.lib:	$(LIBOBJ)
	if exist mod_spatialite.lib del mod_spatialite.lib
	lib /out:mod_spatialite.lib $(LIBOBJ)

$(MOD_SPATIALITE_DLL):	mod_spatialite_i.lib

mod_spatialite_i.lib:     $(LIBOBJ)
	link /debug /dll /out:$(MOD_SPATIALITE_DLL) \
		/implib:mod_spatialite_i.lib $(LIBOBJ) \
		C:\OSGeo4W\lib\proj_i.lib C:\OSGeo4W\lib\geos_c.lib \
		C:\OSGeo4w\lib\freexl_i.lib C:\OSGeo4w\lib\iconv.lib \
		C:\OSGeo4W\lib\sqlite3_i.lib C:\OSGeo4W\lib\zlib.lib \
		C:\OSGeo4W\lib\libxml2.lib
	if exist $(MOD_SPATIALITE_DLL).manifest mt -manifest \
		$(MOD_SPATIALITE_DLL).manifest -outputresource:$(MOD_SPATIALITE_DLL);2
		
.c.obj:
	$(CC) $(CFLAGS) /c $*.c /Fo$@
	
clean:
	del *.dll
	del *.exp
	del *.manifest
	del *.lib
	del src\connection_cache\*.obj
	del src\cutter\*.obj
	del src\gaiaaux\*.obj
	del src\gaiaexif\*.obj
	del src\gaiageo\*.obj
	del src\shapefiles\*.obj
	del src\spatialite\*.obj
	del src\srsinit\*.obj
	del src\versioninfo\*.obj
	del src\virtualtext\*.obj
	del src\wfs\*.obj
	del src\dxf\*.obj
	del src\md5\*.obj
	del src\topology\*.obj
	del src\stored_procedures\*.obj
	del *.pdb

install: all
	-mkdir $(INSTDIR)
	-mkdir $(INSTDIR)\bin
	-mkdir $(INSTDIR)\lib
	-mkdir $(INSTDIR)\include
	-mkdir $(INSTDIR)\include\spatialite
	copy *.dll $(INSTDIR)\bin
	copy *.lib $(INSTDIR)\lib
	copy src\headers\spatialite.h $(INSTDIR)\include
	copy src\headers\spatialite\*.h $(INSTDIR)\include\spatialite
	

# $Id: $
#
# NMAKE Makefile to build libspatialite on Windows
#
!INCLUDE nmake_mod64.opt

LIBOBJ = src\gaiaaux\gg_sqlaux.obj src\gaiaaux\gg_utf8.obj \
	src\gaiaexif\gaia_exif.obj src\gaiageo\gg_advanced.obj \
	src\gaiageo\gg_endian.obj src\gaiageo\gg_ewkt.obj \
	src\gaiageo\gg_geodesic.obj src\gaiageo\gg_geoJSON.obj \
	src\gaiageo\gg_geometries.obj src\gaiageo\gg_geoscvt.obj \
	src\gaiageo\gg_gml.obj src\gaiageo\gg_kml.obj \
	src\gaiageo\gg_relations.obj src\gaiageo\gg_shape.obj \
	src\gaiageo\gg_transform.obj src\gaiageo\gg_vanuatu.obj \
	src\gaiageo\gg_wkb.obj src\gaiageo\gg_wkt.obj \
	src\gaiageo\gg_extras.obj src\gaiageo\gg_xml.obj \
	src\gaiageo\gg_voronoj.obj src\gaiageo\gg_matrix.obj \
	src\gaiageo\gg_relations_ext.obj src\gaiageo\gg_rttopo.obj \
	src/connection_cache/alloc_cache.obj src/connection_cache/gg_sequence.obj \
	src\spatialite\mbrcache.obj src\shapefiles\shapefiles.obj \
	src\spatialite\spatialite.obj src\spatialite\virtualdbf.obj \
	src\spatialite\virtualfdo.obj src\spatialite\virtualnetwork.obj \
	src\spatialite\virtualshape.obj src\spatialite\virtualspatialindex.obj \
	src\spatialite\statistics.obj src\spatialite\metatables.obj \
	src\spatialite\virtualXL.obj src\spatialite\extra_tables.obj \
	src\spatialite\virtualxpath.obj src\spatialite\virtualbbox.obj \
	src\spatialite\spatialite_init.obj src\spatialite\se_helpers.obj \
	src\spatialite\srid_aux.obj src\spatialite\table_cloner.obj \
	src\spatialite\virtualelementary.obj  src\spatialite\virtualrouting.obj \
	src\spatialite\create_routing.obj \
	src\wfs\wfs_in.obj src\srsinit\srs_init.obj \
	src\dxf\dxf_parser.obj src\dxf\dxf_loader.obj src\dxf\dxf_writer.obj \
	src\dxf\dxf_load_distinct.obj src\dxf\dxf_load_mixed.obj \
	src\shapefiles\validator.obj src\md5\md5.obj src\md5\gaia_md5.obj \
	src\srsinit\epsg_inlined_00.obj src\srsinit\epsg_inlined_01.obj \
	src\srsinit\epsg_inlined_02.obj src\srsinit\epsg_inlined_03.obj \
	src\srsinit\epsg_inlined_04.obj src\srsinit\epsg_inlined_05.obj \
	src\srsinit\epsg_inlined_06.obj src\srsinit\epsg_inlined_07.obj \
	src\srsinit\epsg_inlined_08.obj src\srsinit\epsg_inlined_09.obj \
	src\srsinit\epsg_inlined_10.obj src\srsinit\epsg_inlined_11.obj \
	src\srsinit\epsg_inlined_12.obj src\srsinit\epsg_inlined_13.obj \
	src\srsinit\epsg_inlined_14.obj src\srsinit\epsg_inlined_15.obj \
	src\srsinit\epsg_inlined_16.obj src\srsinit\epsg_inlined_17.obj \
	src\srsinit\epsg_inlined_18.obj src\srsinit\epsg_inlined_19.obj \
	src\srsinit\epsg_inlined_20.obj src\srsinit\epsg_inlined_21.obj \
	src\srsinit\epsg_inlined_22.obj src\srsinit\epsg_inlined_23.obj \
	src\srsinit\epsg_inlined_24.obj src\srsinit\epsg_inlined_25.obj \
	src\srsinit\epsg_inlined_26.obj src\srsinit\epsg_inlined_27.obj \
	src\srsinit\epsg_inlined_28.obj src\srsinit\epsg_inlined_29.obj \
	src\srsinit\epsg_inlined_30.obj src\srsinit\epsg_inlined_31.obj \
	src\srsinit\epsg_inlined_32.obj src\srsinit\epsg_inlined_33.obj \
	src\srsinit\epsg_inlined_34.obj src\srsinit\epsg_inlined_35.obj \
	src\srsinit\epsg_inlined_36.obj src\srsinit\epsg_inlined_37.obj \
	src\srsinit\epsg_inlined_38.obj src\srsinit\epsg_inlined_39.obj \
	src\srsinit\epsg_inlined_40.obj src\srsinit\epsg_inlined_41.obj \
	src\srsinit\epsg_inlined_42.obj src\srsinit\epsg_inlined_43.obj \
	src\srsinit\epsg_inlined_44.obj src\srsinit\epsg_inlined_45.obj \
	src\srsinit\epsg_inlined_46.obj src\srsinit\epsg_inlined_47.obj \
	src\srsinit\epsg_inlined_48.obj src\srsinit\epsg_inlined_49.obj \
	src\srsinit\epsg_inlined_50.obj src\srsinit\epsg_inlined_51.obj \
	src\srsinit\epsg_inlined_extra.obj \
	src\srsinit\epsg_inlined_prussian.obj \
	src\srsinit\epsg_inlined_wgs84_00.obj src\srsinit\epsg_inlined_wgs84_01.obj \
	src\versioninfo\version.obj src\virtualtext\virtualtext.obj \
	src\cutter\gaia_cutter.obj  src\spatialite\virtualknn.obj \
	src\topology\gaia_auxnet.obj src\topology\gaia_topostmts.obj \
	src\topology\gaia_auxtopo.obj src\topology\lwn_network.obj \
	src\topology\gaia_netstmts.obj src\topology\net_callbacks.obj \
	src\topology\gaia_network.obj src\topology\topo_callbacks.obj \
	src\topology\gaia_topology.obj  \
	src\stored_procedures\stored_procedures.obj
MOD_SPATIALITE_DLL = mod_spatialite$(VERSION).dll

CFLAGS = /nologo -I.\src\headers -I.\src\topology \
	-I. -IC:\OSGeo4W64\include -IC:\OSGeo4W64\include\libxml2 $(OPTFLAGS)

default:	all

all: mod_spatialite.lib mod_spatialite_i.lib
#$(EXIF_LOADER_EXE)

mod_spatialite.lib:	$(LIBOBJ)
	if exist mod_spatialite.lib del mod_spatialite.lib
	lib /out:mod_spatialite.lib $(LIBOBJ)

$(MOD_SPATIALITE_DLL):	mod_spatialite_i.lib

mod_spatialite_i.lib:     $(LIBOBJ)
	link /debug /dll /out:$(MOD_SPATIALITE_DLL) \
		/implib:mod_spatialite_i.lib $(LIBOBJ) \
		C:\OSGeo4W64\lib\proj_i.lib C:\OSGeo4W64\lib\geos_c.lib \
		C:\OSGeo4w64\lib\freexl_i.lib C:\OSGeo4w64\lib\iconv.lib \
		C:\OSGeo4W64\lib\sqlite3_i.lib C:\OSGeo4W64\lib\zlib.lib \
		C:\OSGeo4W64\lib\libxml2.lib
	if exist $(MOD_SPATIALITE_DLL).manifest mt -manifest \
		$(MOD_SPATIALITE_DLL).manifest -outputresource:$(MOD_SPATIALITE_DLL);2
		
.c.obj:
	$(CC) $(CFLAGS) /c $*.c /Fo$@
	
clean:
	del *.dll
	del *.exp
	del *.manifest
	del *.lib
	del src\connection_cache\*.obj
	del src\cutter\*.obj
	del src\gaiaaux\*.obj
	del src\gaiaexif\*.obj
	del src\gaiageo\*.obj
	del src\shapefiles\*.obj
	del src\spatialite\*.obj
	del src\srsinit\*.obj
	del src\versioninfo\*.obj
	del src\virtualtext\*.obj
	del src\wfs\*.obj
	del src\dxf\*.obj
	del src\md5\*.obj
	del src\topology\*.obj
	del src\stored_procedures\*.obj
	del *.pdb

install: all
	-mkdir $(INSTDIR)
	-mkdir $(INSTDIR)\bin
	-mkdir $(INSTDIR)\lib
	-mkdir $(INSTDIR)\include
	-mkdir $(INSTDIR)\include\spatialite
	copy *.dll $(INSTDIR)\bin
	copy *.lib $(INSTDIR)\lib
	copy src\headers\spatialite.h $(INSTDIR)\include
	copy src\headers\spatialite\*.h $(INSTDIR)\include\spatialite
	

# Directory tree where SpatiaLite will be installed.
INSTDIR=C:\OSGeo4W

# Uncomment the first for an optimized build, or the second for debug.
OPTFLAGS=	/nologo /Ox /fp:precise /W4 /MD /D_CRT_SECURE_NO_WARNINGS \
		/DDLL_EXPORT /DYY_NO_UNISTD_H
#OPTFLAGS=	/nologo /Zi /MD /Fdspatialite.pdb /DDLL_EXPORT

# Set the version number for the DLL.  Normally we leave this blank since
# we want software that is dynamically loading the DLL to have no problem
# with version numbers.
VERSION=

# Directory tree where SpatiaLite will be installed.
INSTDIR=C:\OSGeo4W

# Uncomment the first for an optimized build, or the second for debug.
OPTFLAGS=	/nologo /Ox /fp:precise /W3 /MD /D_CRT_SECURE_NO_WARNINGS \
		/DDLL_EXPORT /DYY_NO_UNISTD_H
#OPTFLAGS=	/nologo /Zi /MD /Fdspatialite.pdb /DDLL_EXPORT

# Set the version number for the DLL.  Normally we leave this blank since
# we want software that is dynamically loading the DLL to have no problem
# with version numbers.
VERSION=

# Directory tree where SpatiaLite will be installed.
INSTDIR=C:\OSGeo4W64

# Uncomment the first for an optimized build, or the second for debug.
OPTFLAGS=	/nologo /Ox /fp:precise /W4 /MD /D_CRT_SECURE_NO_WARNINGS \
		/DDLL_EXPORT /DYY_NO_UNISTD_H
#OPTFLAGS=	/nologo /Zi /MD /Fdspatialite.pdb /DDLL_EXPORT

# Set the version number for the DLL.  Normally we leave this blank since
# we want software that is dynamically loading the DLL to have no problem
# with version numbers.
VERSION=

# Directory tree where SpatiaLite will be installed.
INSTDIR=C:\OSGeo4W

# Uncomment the first for an optimized build, or the second for debug.
OPTFLAGS=	/nologo /Ox /fp:precise /W4 /MD /D_CRT_SECURE_NO_WARNINGS \
		/DDLL_EXPORT /DLOADABLE_EXTENSION /DYY_NO_UNISTD_H
#OPTFLAGS=	/nologo /Zi /MD /Fdmod_spatialite.pdb /DDLL_EXPORT

# Set the version number for the DLL.  Normally we leave this blank since
# we want software that is dynamically loading the DLL to have no problem
# with version numbers.
VERSION=

# Directory tree where SpatiaLite will be installed.
INSTDIR=C:\OSGeo4W64

# Uncomment the first for an optimized build, or the second for debug.
OPTFLAGS=	/nologo /Ox /fp:precise /W4 /MD /D_CRT_SECURE_NO_WARNINGS \
		/DDLL_EXPORT /DLOADABLE_EXTENSION /DYY_NO_UNISTD_H
#OPTFLAGS=	/nologo /Zi /MD /Fdmod_spatialite.pdb /DDLL_EXPORT

# Set the version number for the DLL.  Normally we leave this blank since
# we want software that is dynamically loading the DLL to have no problem
# with version numbers.
VERSION=

include $(CLEAR_VARS)
# ./configure --enable-examples=no --build=x86_64-pc-linux-gnu --host=arm-linux-eabi
# 2015-06-09: libspatialite-4.2.0-rc1
LOCAL_MODULE    := spatialite

# SQLite flags copied from ASOP
common_sqlite_flags := \
 -DHAVE_USLEEP=1 \
 -DSQLITE_DEFAULT_JOURNAL_SIZE_LIMIT=1048576 \
 -DSQLITE_THREADSAFE=1 \
 -DNDEBUG=1 \
 -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1 \
 -DSQLITE_DEFAULT_AUTOVACUUM=1 \
 -DSQLITE_TEMP_STORE=3 \
 -DSQLITE_ENABLE_FTS3 \
 -DSQLITE_ENABLE_FTS3_BACKWARDS \
 -DSQLITE_ENABLE_RTREE=1 \
 -DSQLITE_DEFAULT_FILE_FORMAT=4


# spatialite flags
# comment out TARGET_CPU in config.h - will be replaced with TARGET_ARCH_ABI
spatialite_flags := \
 -DOMIT_FREEXL \
 -DTARGET_CPU=\"$(TARGET_ARCH_ABI)\" \
 -Dfdatasync=fsync \
 -DSQLITE_ENABLE_RTREE=1 \
 -DSQLITE_OMIT_BUILTIN_TEST=1 

LOCAL_CFLAGS    := \
 $(common_sqlite_flags) \
 $(spatialite_flags)

# LOCAL_LDLIBS is always ignored for static libraries
# LOCAL_LDLIBS    := -llog -lz
# LOADABLE_EXTENSION must NOT be defined
# For Spatialite with VirtualShapes,VirtualXL support iconv is needed
LOCAL_C_INCLUDES := \
 $(SQLITE_PATH) \
 $(SPATIALITE_PATH) \
 $(SPATIALITE_PATH)/src/headers \
 $(ICONV_PATH)/include \
 $(ICONV_PATH)/libcharset/include \
 $(GEOS_PATH)/include \
 $(GEOS_PATH)/capi \
 $(PROJ4_PATH)/src \
 $(LZMA_PATH)/src/liblzma/api \
 $(XML2_PATH)/include
LOCAL_SRC_FILES := \
 $(SPATIALITE_PATH)/src/connection_cache/alloc_cache.c \
 $(SPATIALITE_PATH)/src/connection_cache/generator/code_generator.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_distinct.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_loader.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_mixed.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_parser.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_writer.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_sqlaux.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_utf8.c \
 $(SPATIALITE_PATH)/src/gaiaexif/gaia_exif.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_advanced.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_endian.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_ewkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_extras.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geodesic.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoJSON.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geometries.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoscvt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_gml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_kml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_lwgeom.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations_ext.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_shape.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_transform.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_vanuatu.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_voronoj.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkb.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_xml.c \
 $(SPATIALITE_PATH)/src/geopackage/gaia_cvt_gpkg.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgAddGeometryColumn.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_geometry_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_spatial_index.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_tile_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgBinary.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateBaseTables.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesTable.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesZoomLevel.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgGetImageType.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_row.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_zoom.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgInsertEpsgSRID.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgMakePoint.c \
 $(SPATIALITE_PATH)/src/md5/gaia_md5.c \
 $(SPATIALITE_PATH)/src/md5/md5.c \
 $(SPATIALITE_PATH)/src/shapefiles/shapefiles.c \
 $(SPATIALITE_PATH)/src/shapefiles/validator.c \
 $(SPATIALITE_PATH)/src/spatialite/extra_tables.c \
 $(SPATIALITE_PATH)/src/spatialite/mbrcache.c \
 $(SPATIALITE_PATH)/src/spatialite/metatables.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite_init.c \
 $(SPATIALITE_PATH)/src/spatialite/statistics.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualbbox.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualdbf.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualfdo.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualgpkg.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualnetwork.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualshape.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualspatialindex.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualXL.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualxpath.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_01.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_02.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_03.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_04.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_05.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_06.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_07.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_08.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_09.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_10.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_11.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_12.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_13.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_14.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_15.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_16.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_17.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_18.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_19.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_20.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_21.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_22.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_23.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_24.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_25.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_26.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_27.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_28.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_29.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_30.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_31.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_32.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_33.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_34.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_35.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_36.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_37.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_38.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_39.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_40.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_41.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_42.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_43.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_44.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_45.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_extra.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_prussian.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_01.c \
 $(SPATIALITE_PATH)/src/srsinit/srs_init.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_update/auto_epsg.c \
 $(SPATIALITE_PATH)/src/versioninfo/version.c \
 $(SPATIALITE_PATH)/src/virtualtext/virtualtext.c \
 $(SPATIALITE_PATH)/src/wfs/wfs_in.c
LOCAL_STATIC_LIBRARIES := iconv proj geos libxml2
include $(BUILD_STATIC_LIBRARY)

include $(CLEAR_VARS)
# ./configure  --enable-lwgeom=no --enable-gcp --enable-examples=no --build=x86_64-pc-linux-gnu --host=arm-linux-eabi
# ./configure  --build=x86_64-pc-linux-gnu --host=arm-linux-eabi --without-grib --prefix=$PROJECT/external/gdal
# 20150607.libspatialite-4.3.0-dev
LOCAL_MODULE    := spatialite

# SQLite flags copied from ASOP
common_sqlite_flags := \
 -DHAVE_USLEEP=1 \
 -DSQLITE_DEFAULT_JOURNAL_SIZE_LIMIT=1048576 \
 -DSQLITE_THREADSAFE=1 \
 -DNDEBUG=1 \
 -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1 \
 -DSQLITE_DEFAULT_AUTOVACUUM=1 \
 -DSQLITE_TEMP_STORE=3 \
 -DSQLITE_ENABLE_FTS3 \
 -DSQLITE_ENABLE_FTS3_BACKWARDS \
 -DSQLITE_ENABLE_RTREE=1 \
 -DSQLITE_DEFAULT_FILE_FORMAT=4


# spatialite flags
# comment out TARGET_CPU in config.h - will be replaced with TARGET_ARCH_ABI
spatialite_flags := \
 -DOMIT_FREEXL \
 -DTARGET_CPU=\"$(TARGET_ARCH_ABI)\" \
 -Dfdatasync=fsync \
 -DSQLITE_ENABLE_RTREE=1 \
 -DENABLE_GCP=1 \
 -DENABLE_GEOPACKAGE=1 \
 -DENABLE_LIBXML2=1 \
 -DSQLITE_OMIT_BUILTIN_TEST=1 

LOCAL_CFLAGS    := \
 $(common_sqlite_flags) \
 $(spatialite_flags)

# LOCAL_LDLIBS is always ignored for static libraries
# LOCAL_LDLIBS    := -llog -lz
# LOADABLE_EXTENSION must NOT be defined
# For Spatialite with VirtualShapes,VirtualXL support iconv is needed
# 2014-07-26 - adapted based on ls -1 result in all directories
# Note: not included are: /src/gaiageo/
# --> Ewkt.c:2071:24: error: expected ')' before 'yymsp'
# - Ewkt.c,geoJSON.c,Gml.c,Kml.c,vanuatuWkt.c
# - lex.Ewkt.c,lex.geoJSON.c,lex.Gml.c,lex.Kml.c,lex.VanuatuWkt.c
# 20150607 - ENABLE_GCP=1: 'GPL v2.0 or any subsequent version'
# 'srsinit/epsg_update' is not included, since it is not needed in the library [tools to create the epsg_inlined_*.c files]
LOCAL_C_INCLUDES := \
 $(SQLITE_PATH) \
 $(SPATIALITE_PATH) \
 $(SPATIALITE_PATH)/src/headers \
 $(ICONV_PATH)/include \
 $(ICONV_PATH)/libcharset/include \
 $(GEOS_PATH)/include \
 $(GEOS_PATH)/capi \
 $(PROJ4_PATH)/src \
 $(LZMA_PATH)/src/liblzma/api \
 $(XML2_PATH)/include
LOCAL_SRC_FILES := \
 $(SPATIALITE_PATH)/src/connection_cache/alloc_cache.c \
 $(SPATIALITE_PATH)/src/connection_cache/generator/code_generator.c \
 $(SPATIALITE_PATH)/src/control_points/gaia_control_points.c \
 $(SPATIALITE_PATH)/src/control_points/grass_crs3d.c \
 $(SPATIALITE_PATH)/src/control_points/grass_georef.c \
 $(SPATIALITE_PATH)/src/control_points/grass_georef_tps.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_distinct.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_loader.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_mixed.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_parser.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_writer.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_sqlaux.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_utf8.c \
 $(SPATIALITE_PATH)/src/gaiaexif/gaia_exif.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_advanced.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_endian.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_ewkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_extras.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geodesic.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoJSON.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geometries.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoscvt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_gml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_kml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_lwgeom.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_matrix.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations_ext.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_shape.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_transform.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_vanuatu.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_voronoj.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkb.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_xml.c \
 $(SPATIALITE_PATH)/src/geopackage/gaia_cvt_gpkg.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgAddGeometryColumn.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_geometry_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_spatial_index.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_tile_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgBinary.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateBaseTables.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesTable.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesZoomLevel.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgGetImageType.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_row.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_zoom.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgInsertEpsgSRID.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgMakePoint.c \
 $(SPATIALITE_PATH)/src/md5/gaia_md5.c \
 $(SPATIALITE_PATH)/src/md5/md5.c \
 $(SPATIALITE_PATH)/src/shapefiles/shapefiles.c \
 $(SPATIALITE_PATH)/src/shapefiles/validator.c \
 $(SPATIALITE_PATH)/src/spatialite/extra_tables.c \
 $(SPATIALITE_PATH)/src/spatialite/mbrcache.c \
 $(SPATIALITE_PATH)/src/spatialite/metatables.c \
 $(SPATIALITE_PATH)/src/spatialite/se_helpers.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite_init.c \
 $(SPATIALITE_PATH)/src/spatialite/srid_aux.c \
 $(SPATIALITE_PATH)/src/spatialite/statistics.c \
 $(SPATIALITE_PATH)/src/spatialite/table_cloner.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualbbox.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualdbf.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualelementary.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualfdo.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualgpkg.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualnetwork.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualshape.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualspatialindex.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualXL.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualxpath.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_01.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_02.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_03.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_04.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_05.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_06.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_07.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_08.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_09.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_10.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_11.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_12.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_13.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_14.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_15.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_16.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_17.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_18.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_19.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_20.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_21.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_22.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_23.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_24.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_25.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_26.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_27.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_28.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_29.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_30.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_31.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_32.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_33.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_34.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_35.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_36.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_37.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_38.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_39.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_40.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_41.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_42.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_43.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_44.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_45.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_46.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_extra.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_prussian.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_01.c \
 $(SPATIALITE_PATH)/src/srsinit/srs_init.c \
 $(SPATIALITE_PATH)/src/versioninfo/version.c \
 $(SPATIALITE_PATH)/src/virtualtext/virtualtext.c \
 $(SPATIALITE_PATH)/src/wfs/wfs_in.c
LOCAL_STATIC_LIBRARIES := iconv proj geos libxml2
include $(BUILD_STATIC_LIBRARY)

include $(CLEAR_VARS)
# ./configure  --enable-rttopo --enable-gcp  --enable-examples=no --build=x86_64-pc-linux-gnu --host=arm-linux-eabi
# 20170118.libspatialite-4.4.0-dev
# -------------------
# As of 2015-10-03 [4.4.0-t20160229]
# -------------------
# changes:
# - geos-3.5.0
# - json-c-0.12
# - json-c-0.12
# -------------------
# Excluded files:
# gaiageo/
# - directories 'flex' and 'lemon'
# - Ewkt.c/.h geoJSON.c/.h
# - Gml.c/.h Kml.c/.h
# - lex.*.c
# - vanuatuWkt.*
# srsinit/
# - directory 'epsg_update'
# -------------------
LOCAL_MODULE    := spatialite

# SQLite flags copied from ASOP
common_sqlite_flags := \
 -DHAVE_USLEEP=1 \
 -DSQLITE_DEFAULT_JOURNAL_SIZE_LIMIT=1048576 \
 -DSQLITE_THREADSAFE=1 \
 -DNDEBUG=1 \
 -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1 \
 -DSQLITE_DEFAULT_AUTOVACUUM=1 \
 -DSQLITE_TEMP_STORE=3 \
 -DSQLITE_ENABLE_FTS3 \
 -DSQLITE_ENABLE_FTS3_BACKWARDS \
 -DSQLITE_ENABLE_RTREE=1 \
 -DSQLITE_DEFAULT_FILE_FORMAT=4

# spatialite flags
# comment out TARGET_CPU in config.h - will be replaced with TARGET_ARCH_ABI
spatialite_flags := \
 -DOMIT_FREEXL \
 -DTARGET_CPU=\"$(TARGET_ARCH_ABI)\" \
 -Dfdatasync=fsync \
 -DSQLITE_ENABLE_RTREE=1 \
 -DENABLE_GCP=1 \
 -DENABLE_GEOPACKAGE=1 \
 -DENABLE_LIBXML2=1 \
 -DENABLE_RTTOPO=1 \
 -DSQLITE_OMIT_BUILTIN_TEST=1 

LOCAL_CFLAGS    := \
 $(common_sqlite_flags) \
 $(spatialite_flags)

# LOCAL_LDLIBS is always ignored for static libraries
# LOCAL_LDLIBS    := -llog -lz
# LOADABLE_EXTENSION must NOT be defined
LOCAL_C_INCLUDES := \
 $(SQLITE_PATH) \
 $(SPATIALITE_PATH) \
 $(SPATIALITE_PATH)/src/headers \
 $(SPATIALITE_PATH)/src/topology \
 $(ICONV_PATH)/include \
 $(ICONV_PATH)/libcharset/include \
 $(GEOS_PATH)/include \
 $(GEOS_PATH)/capi \
 $(RTTOPO_PATH)/headers \
 $(PROJ4_PATH)/src \
 $(LZMA_PATH)/src/liblzma/api \
 $(XML2_PATH)/include
LOCAL_SRC_FILES := \
 $(SPATIALITE_PATH)/src/connection_cache/generator/code_generator.c \
 $(SPATIALITE_PATH)/src/connection_cache/alloc_cache.c \
 $(SPATIALITE_PATH)/src/connection_cache/gg_sequence.c \
 $(SPATIALITE_PATH)/src/control_points/gaia_control_points.c \
 $(SPATIALITE_PATH)/src/control_points/grass_crs3d.c \
 $(SPATIALITE_PATH)/src/control_points/grass_georef.c \
 $(SPATIALITE_PATH)/src/control_points/grass_georef_tps.c \
 $(SPATIALITE_PATH)/src/cutter/gaia_cutter.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_distinct.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_loader.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_load_mixed.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_parser.c \
 $(SPATIALITE_PATH)/src/dxf/dxf_writer.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_sqlaux.c \
 $(SPATIALITE_PATH)/src/gaiaaux/gg_utf8.c \
 $(SPATIALITE_PATH)/src/gaiaexif/gaia_exif.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_advanced.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_endian.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_ewkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_extras.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geodesic.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoJSON.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geometries.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_geoscvt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_gml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_kml.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_matrix.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_relations_ext.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_rttopo.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_shape.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_transform.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_vanuatu.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_voronoj.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkb.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_wkt.c \
 $(SPATIALITE_PATH)/src/gaiageo/gg_xml.c \
 $(SPATIALITE_PATH)/src/geopackage/gaia_cvt_gpkg.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgAddGeometryColumn.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_geometry_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_spatial_index.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_add_tile_triggers.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgBinary.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateBaseTables.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesTable.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgCreateTilesZoomLevel.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgGetImageType.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_row.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkg_get_normal_zoom.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgInsertEpsgSRID.c \
 $(SPATIALITE_PATH)/src/geopackage/gpkgMakePoint.c \
 $(SPATIALITE_PATH)/src/md5/gaia_md5.c \
 $(SPATIALITE_PATH)/src/md5/md5.c \
 $(SPATIALITE_PATH)/src/shapefiles/shapefiles.c \
 $(SPATIALITE_PATH)/src/shapefiles/validator.c \
 $(SPATIALITE_PATH)/src/spatialite/extra_tables.c \
 $(SPATIALITE_PATH)/src/spatialite/mbrcache.c \
 $(SPATIALITE_PATH)/src/spatialite/metatables.c \
 $(SPATIALITE_PATH)/src/spatialite/se_helpers.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite.c \
 $(SPATIALITE_PATH)/src/spatialite/spatialite_init.c \
 $(SPATIALITE_PATH)/src/spatialite/srid_aux.c \
 $(SPATIALITE_PATH)/src/spatialite/statistics.c \
 $(SPATIALITE_PATH)/src/spatialite/table_cloner.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualbbox.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualdbf.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualelementary.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualfdo.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualgpkg.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualknn.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualnetwork.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualrouting.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualshape.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualspatialindex.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualXL.c \
 $(SPATIALITE_PATH)/src/spatialite/virtualxpath.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_01.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_02.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_03.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_04.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_05.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_06.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_07.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_08.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_09.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_10.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_11.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_12.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_13.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_14.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_15.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_16.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_17.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_18.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_19.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_20.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_21.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_22.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_23.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_24.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_25.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_26.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_27.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_28.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_29.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_30.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_31.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_32.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_33.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_34.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_35.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_36.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_37.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_38.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_39.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_40.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_41.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_42.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_43.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_44.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_45.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_46.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_extra.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_prussian.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_00.c \
 $(SPATIALITE_PATH)/src/srsinit/epsg_inlined_wgs84_01.c \
 $(SPATIALITE_PATH)/src/srsinit/srs_init.c \
 $(SPATIALITE_PATH)/src/topology/gaia_auxnet.c \
 $(SPATIALITE_PATH)/src/topology/gaia_auxtopo.c \
 $(SPATIALITE_PATH)/src/topology/gaia_auxtopo_table.c \
 $(SPATIALITE_PATH)/src/topology/gaia_netstmts.c \
 $(SPATIALITE_PATH)/src/topology/gaia_network.c \
 $(SPATIALITE_PATH)/src/topology/gaia_topology.c \
 $(SPATIALITE_PATH)/src/topology/gaia_topostmts.c \
 $(SPATIALITE_PATH)/src/topology/lwn_network.c \
 $(SPATIALITE_PATH)/src/topology/net_callbacks.c \
 $(SPATIALITE_PATH)/src/topology/topo_callbacks.c \
 $(SPATIALITE_PATH)/src/versioninfo/version.c \
 $(SPATIALITE_PATH)/src/virtualtext/virtualtext.c \
 $(SPATIALITE_PATH)/src/wfs/wfs_in.c
LOCAL_STATIC_LIBRARIES := iconv proj geos libljson-c librttopo libxml2
include $(BUILD_STATIC_LIBRARY)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head>


		<meta content="text/html; charset=UTF-8" http-equiv="content-type">
		<title>SpatiaLite SQL functions reference list</title>
		<style type="text/css">
			h2 {color:navy; text-align:center;} 
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		<h2>SpatiaLite 5.0.0-devel&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SQL functions reference list</h2>
		<a href="https://www.gaia-gis.it/fossil/libspatialite">back</a>
		<ul>
			<li><a href="#version">SQL Version Info [and build options testing] functions</a></li>
			<li><a href="#generic">Generic SQL utility functions</a></li>
			<li><a href="#global">Global settings per connection</a></li>
			<li><a href="#sequence">SQL functions manipulating Sequences</a></li>
			<li><a href="#math">SQL math functions</a></li>
			<li><a href="#error">SQL functions reporting GEOS / RTTOPO errors and warnings</a></li>
			<li><a href="#length_cvt">SQL length/distance unit-conversion functions</a></li>
			<li><a href="#dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></li>
			<li><a href="#blob">SQL utility functions for BLOB objects</a></li>
			<li><a href="#p0">SQL utility functions [non-standard] for geometric objects</a></li>
			<li><a href="#p1">SQL functions for constructing a geometric object given its Well-known Text Representation</a></li>
			<li><a href="#p2">SQL functions for constructing a geometric object given its Well-known Binary Representation</a></li>
			<li><a href="#p3">SQL functions for obtaining the Well-known Text / Well-known Binary Representation of a geometric object</a></li>
................................................................................
			<li><a href="#p7">SQL functions on type LineString</a></li>
			<li><a href="#p8">SQL functions on type Surface [Polygon or Ring]</a></li>
			<li><a href="#p9">SQL functions on type Polygon</a></li>
			<li><a href="#p10">SQL functions on type GeomCollection</a></li>
			<li><a href="#p11">SQL functions that test approximate spatial relationships via MBRs</a></li>
			<li><a href="#p12">SQL functions that test spatial relationships</a></li>
			<li><a href="#p13">SQL functions for distance relationships</a></li>
			<li><a href="#p14-">SQL functions supporting Linear Referencing</a></li>
			<li><a href="#p14">SQL functions that implement spatial operators</a></li>
			<li><a href="#p14b">SQL functions that implement spatial operators [GEOS specific features]</a></li>
			<li><a href="#p14c">SQL functions that implement spatial operators [GEOS advanced features]</a></li>
			<li><a href="#p14d">SQL functions that implement spatial operators [RTTOPO features]</a></li>
			<li><a href="#p14e">SQL functions supporting Geodesic Arcs</a></li>
			<li><a href="#p15">SQL functions for coordinate transformations</a></li>
			<li><a href="#p15plus">SQL functions supporting Affine Transformations and Ground Control Points</a></li>
			<li><a href="#p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></li>
			<li><a href="#p16metacatalog">SQL functions supporting the MetaCatalog and related Statistics</a></li>
			<li><a href="#p16style">SQL functions supporting SLD/SE Styled Layers</a></li>
			<li><a href="#p16isometa">SQL functions supporting ISO Metadata</a></li>
			<li><a href="#p16fdo">SQL functions implementing FDO/OGR compatibility</a></li>
			<li><a href="#p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></li>
			<li><a href="#p17">SQL functions for MbrCache-based queries</a></li>
			<li><a href="#p18">SQL functions for R*Tree-based queries (Geometry Callbacks)</a></li>
			<li><a href="#xmlBlob">SQL functions supporting XmlBLOB</a></li>
			<li><a href="#srid">SQL functions supporting SRID inspection</a></li>
			<li><a href="#topology">SQL functions supporting Topology-Geometry</a></li>
			<li><a href="#network">SQL functions supporting Topology-Network</a></li>
			<li><a href="#wms">SQL functions supporting WMS datasources</a></li>
			<li><a href="#datalic">SQL functions supporting Data Licenses</a></li>
			<li><a href="#advanced">miscellaneous advanced SQL functions</a></li>
			<li><a href="#sqlproc">SQL Procedures, Stored Procedures and Stored Variables related SQL functions</a></li>
		</ul>
		<table bgcolor="#e2eae2" border="1" cellpadding="2" cellspacing="2" width="100%">
			<tbody><tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="version">SQL Version Info [and build options testing] functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td colspan="3">returns the current <b>SpatiaLite</b> Target CPU as a text string</td></tr>
			<tr><td><b>freexl_version</b></td>
				<td>freexl_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>FreeXL</b> version as a text string<br>
					or NULL if FreeXL is currently unsupported</td></tr>
			<tr><td><b>proj4_version</b></td>
				<td>proj4_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>PROJ</b> version as a text string<br>
					or NULL if PROJ is currently unsupported</td></tr>
			<tr><td><b>geos_version</b></td>
				<td>geos_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>GEOS</b> version as a text string<br>
					or NULL if GEOS is currently unsupported</td></tr>
			<tr><td><b>rttopo_version</b></td>
				<td>rttopo_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>RTTOPO</b> version as a text string<br>
					or NULL if RTTOPO is currently unsupported</td></tr>
			<tr><td><b>libxml2_version</b></td>
				<td>libxml2_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>LibXML2</b> version as a text string<br>
					or NULL if LibXML2 is currently unsupported</td></tr>
			<tr><td><b>HasIconv</b></td>
				<td>HasIconv( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>ICONV</b></td></tr>
			<tr><td><b>HasMathSQL</b></td>
				<td>HasMathSQL( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>MATHSQL</b></td></tr>
			<tr><td><b>HasGeoCallbacks</b></td>
				<td>HasGeoCallbacks( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOCALLBACKS</b></td></tr>
			<tr><td><b>HasProj</b></td>
				<td>HasProj( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>PROJ</b></td></tr>
			<tr><td><b>HasGeos</b></td>
				<td>HasGeos( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOS</b></td></tr>
			<tr><td><b>HasGeosAdvanced</b></td>
				<td>HasGeosAdvanced( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOSADVANCED</b></td></tr>
			<tr><td><b>HasGeosTrunk</b></td>
				<td>HasGeosTrunk( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOSTRUNK</b></td></tr>
			<tr><td><b>HasGeosReentrant</b></td>
				<td>HasGeosReentrant( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOSREENTRANT</b></td></tr>
			<tr><td><b>HasGeosOnlyReentrant</b></td>
				<td>HasGeosOnlyReentrant( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GEOSONLYREENTRANT</b></td></tr>
			<tr><td><b>HasRtTopo</b></td>
				<td>HasRtTopo( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>RTTOPO</b></td></tr>
			<tr><td><b>HasLibXML2</b></td>
				<td>HasLibXML2( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>LibXML2</b></td></tr>
			<tr><td><b>HasEpsg</b></td>
				<td>HasEpsg( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>EPSG</b></td></tr>
			<tr><td><b>HasFreeXL</b></td>
				<td>HasFreeXL( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>FREEXL</b></td></tr>
			<tr><td><b>HasGeoPackage</b></td>
				<td>HasGeoPackage( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>GeoPackage</b> support (<b>GPKG</b>)</td></tr>
			<tr><td><b>HasGCP</b></td>
				<td>HasGCP( void ) : <i>Boolean</i><hr>
				    HasGroundControlPoints ( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>Ground Control Points</b> support (<b>GGP</b>)</td></tr>
			<tr><td><b>HasTopology</b></td>
				<td>HasTopology( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>Topology</b> (RTTOPO) support</td></tr>
			<tr><td><b>HasKNN</b></td>
				<td>HasKNN( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>VirtualKNN</b> (KNN) support</td></tr>
			<tr><td><b>HasRouting</b></td>
				<td>HasRouting( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlying library was built enabling <b>VirtualRouting</b> support</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="generic">Generic SQL functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CastToInteger</b></td>
				<td>CastToInteger( value <i>Generic</i> ) : <i>Integer</i></td>
				<td colspan="3">returns the intput value possibly casted to the Integer data-type; NULL if no conversion is possible.</td></tr>
			<tr><td><b>CastToDouble</b></td>
				<td>CastToDouble( value <i>Generic</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the intput value possibly casted to the Double data-type; NULL if no conversion is possible.</td></tr>
			<tr><td><b>CastToText</b></td>
				<td>CastToText( value <i>Generic</i> ) : <i>Text</i><hr>
				CastToText( value <i>Generic</i> , zero_pad <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">returns the intput value possibly casted to the Text data-type; NULL if no conversion is possible.<br>
				If an optional argument <b>zero_pad</b> is passed and the input value is of the Integer or Double type, then the returned string will be padded using as many trailing ZEROs needed to ensure the required length.</td></tr>
			<tr><td><b>CastToBlob</b></td>
				<td>CastToBlob( value <i>Generic</i> ) : <i>Blob</i><hr>
                                CastToBlob( value <i>Generic</i> , hex_input <i>Boolean</i> ) : <i>Blob</i></td>
				<td colspan="3">returns the intput value possibly casted to the BLOB data-type:
                                if the optional argument <b>hex_input</b> is set to <b>TRUE</b> the input value will be expected to correspond to an HexaDecimal string, e.g. <b>01ab89EF</b>; if this conversion fails then NULL will be returned.<hr>
                                returns NULL if no conversion is possible.</td></tr>
			<tr><td><b>ForceAsNull</b></td>
				<td>ForceAsNull( val1 <i>Generic</i> , val2 <i>Generic</i>) : <i>Generic</i></td>
				<td colspan="3">if <b>val1</b> and <b>val2</b> are equal (and of the same data-type) NULL will be returned; 
				otherwise <b>val1</b> will be returned unchanged, preserving its original data-type.</td></tr>
			<tr><td><b>CreateUUID</b></td>
				<td>CreateUUID( void ) : <i>Text</i></td>
				<td colspan="3">returns a Version 4 (random) UUID (<a href="http://en.wikipedia.org/wiki/Universally_unique_identifier">Universally unique identifier</a>).</td></tr>
			<tr><td><b>MD5Checksum</b></td>
				<td>MD5Checksum( BLOB | TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the <a href="http://en.wikipedia.org/wiki/MD5">MD5 checksum</a> corresponding to the input value.<br>Will return <b>NULL</b> for non-BLOB or non-TEXT input.</td></tr>
			<tr><td><b>MD5TotalChecksum</b></td>
				<td>MD5TotalChecksum( BLOB | TEXT ) : <i>Text</i></td>
				<td colspan="3">returns a cumulative MD5 checksum.<br><b><u>aggregate function</u></b></td></tr>
			<tr><td><b>EncodeURL</b></td>
				<td>EncodeURL( url <i>Text</i> ) : <i>Text</i><hr>
					EncodeURL( url <i>Text</i> , charset <i>Text</i> ) : <i>Text</i></td>
				<td colspan="3">returns the <a href="http://en.wikipedia.org/wiki/Percent-encoding">percent encoded URL</a> corresponding to the input value.<br>Will return <b>NULL</b> for invalid input.
					<ul>
						<li>the <u>input URL</u> is always assumed to be an <b>UTF-8</b> string.</li>
						<li>the <u>output URL</u> will be converted into the charset encoding specified by the <b>charset</b> argument.<br>
							if not specified <b>UTF-8</b> will be assumed by default.</li>
					</ul></td></tr>
			<tr><td><b>DecodeURL</b></td>
				<td>DecodeURL( url <i>Text</i> ) : <i>Text</i><hr>
					DecodeURL( url <i>Text</i>, charset <i>Text</i> ) : <i>Text</i></td>
				<td colspan="3">returns a plain URL from its corresponding percent encoding.<br>Will return <b>NULL</b> for invalid input.
					<ul>
						<li>the <u>output URL</u> will be always returned as an <b>UTF-8</b> string.</li>
						<li>the <u>input URL</u> will be converted from the charset encoding specified by the <b>charset</b> argument.<br>
							if not specified <b>UTF-8</b> will be assumed by default.</li>
					</ul></td></tr>
			<tr><td><b>DirNameFromPath</b></td>
				<td>DirNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the Directory Name from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any simple path lacking a Directory.</td></tr>
			<tr><td><b>FullFileNameFromPath</b></td>
				<td>FullFileNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the Full File Name (including an eventual File Extension) from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name.</td></tr>
................................................................................
				<td>FileNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the File Name (excluding an eventual File Extension) from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name.</td></tr>
			<tr><td><b>FileExtFromPath</b></td>
				<td>FileExtFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the File Extension from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name or when no Extension is present.</td></tr>
			<tr><td><b>MakeStringList</b></td>
				<td>MakeStringList( value ) : <i>Text</i><hr>
				    MakeStringList( value , delimiter <i>text</i>) : <i>Text</i></td>
				<td colspan="3">returns a comma-delimited list of integer or text values.<br>
				the optional argument <b>delimiter</b> can be used so to specify an alternative delimiter different from comma.<br>
				<b><u>aggregate function</u></b><hr>
				Will return <b>NULL</b> for invalid arguments.</td></tr>
			<tr><td><b>eval</b></td>
				<td>eval( X <i>TEXT</i> [ , Y <i>TEXT</i> ) : <i>Text</i></td>
				<td colspan="3">Evaluate the SQL text in <b>X</b>.  Return the results, using string <b>Y</b> as the separator.<br>
				If <b>Y</b> is omitted, use a single space character.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
            <tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="global">Global settings per connection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>EnableGpkgMode</b></td>
				<td>EnableGpkgMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Enables the <b>Geopackage mode</b><br>
				All connections are initially started with a disabled GPKG mode, that must be explicitly enabled whenever required.<br>
				Enabling GPKG mode is a supported option only if the currently connected DB-file presents a GPKG layout.</td></tr>
			<tr><td><b>DisableGpkgMode</b></td>
				<td>DisableGpkgMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Disables the <b>Geopackage mode</b></td></tr>
			<tr><td><b>GetGpkgMode</b></td>
				<td>GetGpkgMode( <i>void</i> ) : <i>boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the <b>Geopackage mode</b> is currently enabled, otherwise <b>FALSE</b></td></tr>
			<tr><td><b>EnableGpkgAmphibiousMode</b></td>
				<td>EnableGpkgAmphibiousMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Enables the <b>Geopackage amphibious mode</b><br>
				All connections are initially started with a disabled amphibious mode, that must be explicitly enabled whenever required.<br>
				<u>Note</u>: <i>GPKG mode</i> and <i>GPKG amphibious mode</i> are mutually exclusive options.</td></tr>
			<tr><td><b>DisableGpkgAmphibiousMode</b></td>
				<td>DisableGpkgAmphibiousMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Disables the <b>Geopackage amphibious mode</b></td></tr>
			<tr><td><b>GetGpkgAmphibiousMode</b></td>
				<td>GetGpkgAmphibiousMode( <i>void</i> ) : <i>boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the <b>Geopackage amphibious mode</b> is currently enabled, otherwise <b>FALSE</b></td></tr>
			<tr><td><b>SetDecimalPrecision</b></td>
				<td>SetDecimalPrecision( <i>integer</i> ) : <i>void</i></td>
				<td colspan="3">Explicitly sets the number of decimal digits (<i>precision</i>) to be displayed by <b>ST_AsText()</b> for coordinate values: the standard default setting is <b>6</b> decimal digits.<br>
				Passing any <b>negative</b> precision will automatically restore the initial default setting.<br>
				The <b>spatialite_gui</b> tool will honor this setting for all floating point values to be displayed on the screen.</td></tr>
			<tr><td><b>GetDecimalPrecision</b></td>
				<td>GetDecimalPrecision( <i>void</i> ) : <i>integer</i></td>
				<td colspan="3">Returns the currently set <b>decimal precision</b>.<br>
				A <b>negative</b> precision identifies the default setting.</td></tr>
			<tr><td><b>EnableTinyPoint</b></td>
				<td>EnableTinyPoint( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Enables the <b>TinyPoint</b> BLOB encoding for all Point-Geometries being created.<br>
				All connections are initially started with a disabled TinyPoint BLOB encoding, that must be explicitly enabled whenever required.<br><hr>
				<u>Exception</u>: if the environment variable <b>SPATIALITE_TINYPOINT=1</b> is set, then all connections will initially start by enabling the TinyPoint BLOB encoding.</td></tr>
			<tr><td><b>DisableTinyPoint</b></td>
				<td>DisableTinyPoint( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Disables the <b>TinyPoint</b> BLOB encoding; all Point-Geometries will then be created applying the classic BLOB-Geometry encoding.</td></tr>
			<tr><td><b>IsTinyPointEnabled</b></td>
				<td>IsTinyPointEnabled( <i>void</i> ) : <i>boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the <b>TinyPoint</b> BLOB encoding is currently enabled, otherwise <b>FALSE</b></td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="sequence">SQL functions manipulating Sequences</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>sequence_nextval</b></td>
				<td>sequence_nextval ( seq_name <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">advances to the next value of the Sequence, which is then returned.<br>
					Will return <b>NULL</b> if any error occurred.</td></tr>
			<tr><td><b>sequence_currval</b></td>
				<td>sequence_currval ( seq_name <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">returns the value most recently obtained by <b>sequence_nextval()</b> for the Sequence identified by <i>seq_name</i><br>
					Will return <b>NULL</b> if the Sequence identified by <i>seq_name</i> has not yet been used.</td></tr>
			<tr><td><b>sequence_lastval</b></td>
				<td>sequence_lastval ( <i>void</i> ) : <i>Integer</i></td>
				<td colspan="3">returns the value most recently obtained by <b>sequence_nextval()</b><br>
					Will return <b>NULL</b> if <b>sequence_nextval()</b> has not yet been used.</td></tr>
			<tr><td><b>sequence_setval</b></td>
				<td>sequence_setval ( seq_name <i>Text</i> , value <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">sets the current <i>value</i> for the Sequence identified by <b>seq_name</b>; if the Sequence doesn't yet exist it will be created on-the-fly.<br>
					Will return <i>value</i> on success or <b>NULL</b> on failure.</td></tr>				
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="math">SQL math functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Abs</b></td>
				<td>Abs( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the absolute value of <b>x</b></td></tr>
			<tr><td><b>Acos</b></td>
				<td>Acos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc cosine of <b>x</b>, that is, the value whose cosine is <b>x</b><br>
				returns NULL if <b>x</b> is not within the range -1 to 1</td></tr>
			<tr><td><b>Asin</b></td>
				<td>Asin( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc sine of <b>x</b>, that is, the value whose sine is <b>x</b><br>
				returns NULL if <b>x</b> is not in the range -1 to 1</td></tr>
			<tr><td><b>Atan</b></td>
				<td>Atan( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc tangent of <b>x</b>, that is, the value whose tangent is <b>x</b></td></tr>
			<tr><td><b>Atan2</b></td>
				<td>Atan2( y <i>Double precision</i> , x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the principal value of the arc tangent of <b>y/x</b> in radians, using the signs of the two
				arguments to determine the quadrant of the result. The return value is in the range[<b>-pi</b>, <b>pi</b>].</td></tr>
			<tr><td><b>Ceil<br>Ceiling</b></td>
				<td>Ceil( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Ceiling( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the smallest integer value not less than <b>x</b></td></tr>
			<tr><td><b>Cos</b></td>
				<td>Cos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the cosine of <b>x</b>, where <b>x</b> is given in <u>radians</u></td></tr>
................................................................................
				<td colspan="3">returns the largest integer value not greater than <b>x</b></td></tr>
			<tr><td><b>Ln</b><br><b>Log</b></td>
				<td>Ln( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Log( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the natural logarithm of <b>x</b>; that is, the base-<b><i>e</i></b> logarithm of <b>x</b><br>
				If <b>x</b> is less than or equal to 0, then NULL is returned</td></tr>
			<tr><td><b>Log</b></td>
				<td>Log( x <i>Double precision</i> , b <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the logarithm of <b>x</b> to the base <b>b</b><br>
				If <b>x</b> is less than or equal to 0, or if <b>b</b> is less than or equal to 1, then NULL is returned<hr>
				<b>Log(x, b)</b>  is equivalent to <b>Log(x)</b> / <b>Log(b)</b></td></tr>
			<tr><td><b>Log2</b></td>
				<td>Log2( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the base-2 logarithm of <b>x</b><hr>
				<b>Log2(x)</b>  is equivalent to <b>Log(x)</b> / <b>Log(2)</b></td></tr>
			<tr><td><b>Log10</b></td>
				<td>Log10( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the base-10 logarithm of <b>x</b><hr>
................................................................................
				<td colspan="3">returns the population variance of the input values (<i>square of the population standard deviation</i>)<br>
				<b><u>aggregate function</u></b></td></tr>
			<tr><td><b>Var_samp</b></td>
				<td>Var_samp( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the sample variance of the input values (<i>square of the sample standard deviation</i>)<br>
				<b><u>aggregate function</u></b></td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="error">SQL functions reporting GEOS / RTTOPO errors and warnings</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>GEOS_GetLastWarningMsg</b></td>
				<td>GEOS_GetLastWarningMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td colspan="2">Will return the most recent warning message returned by GEOS (if any).<hr>
................................................................................
				<td>GEOS_GetCriticalPointFromMsg( <i>void</i> ) : <i>Point</i><hr>
				GEOS_GetCriticalPointFromMsg( SRID <i>Integer</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td colspan="2">Will (possibly) return a Point Geometry extracted from the latest error / warning
				message returned by GEOS.<hr>
				<b>NULL</b> will be returned if there is no pending GEOS message, or if the current GEOS message
				doesn't contain a critical Point.</td></tr>
			<tr><td><b>RTTOPO_GetLastWarningMsg</b></td>
				<td>RTTOPO_GetLastWarningMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="2">Will return the most recent warning message returned by RTTOPO (if any).<hr>
				<b>NULL</b> will be returned if there is no pending RTTOPO warning.</td></tr>
			<tr><td><b>RTTOPO_GetLastErrorMsg</b></td>
				<td>RTTOPO_GetLastErrorMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="2">Will return the most recent error message returned by RTTOPO (if any).<hr>
				<b>NULL</b> will be returned if there is no pending RTTOPO error.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="length_cvt">SQL length/distance unit-conversion functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Kilometer</b></td>
				<td>CvtToKm( x <i>Double precision</i> ) : <i>Double precision</i><hr>
................................................................................
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>DD to DMS</b></td>
				<td>LongLatToDMS( longitude <i>Double precision</i> , latitude <i>Double precision</i> ) : <i>String</i></td>
				<td colspan="3">will return a DMS string (Degrees, Minutes and Seconds) using the given DD (Decimal Degrees) input coordinates<hr>
                                <b>NULL</b> will be returned on invalid input.</tr>
			<tr><td><b>DMS to DD</b></td>
				<td>LongitudeFromDMS( dms_expression <i>String</i> ) : <i>Double precision</i><hr>
                                    LatitudeFromDMS( dms_expression <i>String</i> ) : <i>Double precision</i></td>
				<td colspan="3">will return the DD coordinates from the given DMS expression<hr>
                                <b>NULL</b> will be returned on invalid input.</tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="blob">SQL utility functions for BLOB objects</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>IsZipBlob</b></td>
				<td>IsZipBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid ZIP-compressed file</td></tr>
			<tr><td><b>IsPdfBlob</b></td>
				<td>IsPdfBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid PDF document</td></tr>
			<tr><td><b>IsGifBlob</b></td>
				<td>IsGifBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid GIF image</td></tr>
			<tr><td><b>IsPngBlob</b></td>
				<td>IsPngBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid PNG image</td></tr>
			<tr><td><b>IsTiffBlob</b></td>
				<td>IsTiffBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid TIFF image</td></tr>
			<tr><td><b>IsJpegBlob</b></td>
				<td>IsJpegBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid JPEG image</td></tr>
			<tr><td><b>IsExifBlob</b></td>
				<td>IsExifBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid EXIF image<br>
					<u>Please note:</u> any valid EXIF image is also a valid JPEG</td></tr>
			<tr><td><b>IsExifGpsBlob</b></td>
				<td>IsExifGpsBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid EXIF-GPS image<br>
					<u>Please note:</u> any valid EXIF-GPS image is a valid EXIF and JPEG as well</td></tr>
			<tr><td><b>IsWebpBlob</b></td>
				<td>IsWebpBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid WebP image</td></tr>
			<tr><td><b>IsJP2Blob</b></td>
				<td>IsJP2Blob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid JP2 [Jpeg2000] image</td></tr>
			<tr><td><b>GetMimeType</b></td>
				<td>GetMimeType( payload <i>BLOB</i> ) : <i>String</i></td>
				<td colspan="3">The return type is Text, and could be one of: <b>image/gif</b>, <b>image/png</b>,
					<b>image/jpeg</b>, <b>image/jp2</b>, <b>image/tiff</b>, <b>image/svg+xml</b>, <b>application/xml</b>,
					<b>application/zip</b>,	<b>application/pdf</b>.<br>
					NULL will be returned when called with a NULL or non-BLOB argument, or if no valid mime-type is detected.</td></tr>
			<tr><td><b>IsGeometryBlob</b></td>
				<td>IsGeometryBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if the BLOB argument is a valid BLOB-Geometry.</td></tr>
			<tr><td><b>IsTinyPointBlob</b></td>
				<td>IsTinyPointBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL or non-BLOB argument.<hr>
					TRUE if the BLOB argument is a valid BLOB-TinyPoint.</td></tr>
			<tr><td><b>TinyPointEncode</b></td>
				<td>TinyPointEncode( content <i>POINT BLOB-GEOMETRY</i> ) : <i>BLOB-TinyPoint</i></td>
				<td colspan="3">If the input argument corresponds to a valid <b>BLOB-GEOMETRY</b> of the <b>POINT</b>, <b>POINT Z</b>, <b>POINT M</b> or <b>POINT ZM</b> type 
				    the corresponding <b>BLOB-TinyPoint</b> will be returned.<hr>
					In any other case the input argument will be retuned.</td></tr>
			<tr><td><b>GeometryPointEncode</b></td>
				<td>GeometryPointEncode( content <i>BLOB-TinyPoint</i> ) : <i>BLOB-GEOMETRY</i></td>
				<td colspan="3">If the input argument corresponds to a valid <b>BLOB-TinyPoint</b> the corresponding <b>BLOB-GEOMETRY</b> will be returned.<hr>
					In any other case the input argument will be retuned.</td></tr>
			<tr><td><b>BlobFromFile</b></td>
				<td>BlobFromFile( filepath <i>String</i> ) : <i>BLOB</i></td>

				<td colspan="3">If the filepath is valid, and the existing file can be successfully read, then the whole file content will be returned as a
					BLOB value.<br>
					Otherwise NULL will be returned.<br>
					<u>Please note:</u> SQLite doesn't support BLOB values bigger than SQLITE_MAX_LENGTH (usually, 1 GB).<hr>
                    <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                    Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is required in order to use this function.</td></tr>
			<tr><td><b>BlobToFile</b></td>
				<td>BlobToFile( binary-data <i>BLOB</i> , filepath <i>String</i> ) : <i>Integer</i></td>
				<td colspan="3">If <i>binary-data</i> is of the BLOB-type, and the filepath is valid (i.e. accessible in write/create mode), 
					then the corresponding file will be created/overwritten with the binary-data.<br>

					The return type is Integer, with a return value of 1 for success, 0 for failure.<hr>
                    <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                    Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is required in order to use this function.</td></tr>
			<tr><td><b>CountUnsafeTriggers</b></td>
				<td>CountUnsafeTriggers( ) : <i>Integer</i></td>
				<td colspan="3">This SQL function checks if the currently connected DB contains any potentially malicious Triggers;
					carefully checking this conditions is a minimal precaution expected to be always verified before eventually activating the <b>SPATIALITE_SECURITY=relaxed</b> mode.<hr>
					The return type is Integer (total count of suspected Triggers); 0 means that the currently connected DB should be considered absolutely safe.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p0">SQL utility functions [<i>non-standard</i>] for geometric objects</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>GeomFromExifGpsBlob</b></td>
				<td>GeomFromExifGpsBlob( image <i>BLOB</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>a POINT Geometry will be returned representing the GPS long/lat contained within EXIF-GPS <i>metadata</i>
				for the BLOB image<hr>
				NULL will be returned if for any reason it's not possible to create such a POINT</td></tr>
			<tr><td><b>ST_Point</b></td>
				<td>ST_Point( x <i>Double precision</i> , y <i>Double precision</i>  ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>simply an alias-name for <b>MakePoint()</b><br>
				<u>Please note</u>: the <u>SRID</u> argument is never supported by <u>ST_Point()</u></td></tr>
			<tr><td><b>MakePoint</b></td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a closed LINESTRING approximating the Circle defined by <b>cx, cy</b> and <b>radius</b>.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the circumference; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
                        <tr><td><b>MakeEllipse</b></td>
				<td>MakeEllipse( cx <i>Double precision</i> , cy <i>Double precision</i> ,
				x_axis <i>Double precision</i> , y_axis <i>Double precision</i> [ , SRID <i>Integer</i> [ , 
                                step <i>Double precision</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a closed LINESTRING approximating the Ellipse defined by <b>cx, cy</b> and <b>x_axis, y_axis</b>.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the ellipse; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
                        <tr><td><b>MakeArc</b></td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a POLYGON approximating the Circular Stripe delimited by two arcs sharing the same Centre [<b>cx</b>, <b>cy</b>]
                                but having different radii [<b>radius_1</b>, <b>radius_2</b>]; the arc's extremities will be defined by <b>start, stop</b> angles expressed in degrees.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the circumference; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
			<tr><td><b>SquareGrid</b></td>
				<td>SquareGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_SquareGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of square cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The specific Type of returned Geometry is controlled by the <b>mode</b> attribute value:
                                <ul>
									<li>any <i>positive</i> value will cause a <b>MultiLinesting</b> to be returned.</li>
									<li><i>zero</i> (default value) will cause a <b>MultiPolygon</b> to be returned.</li>
									<li>any <i>negative</i> value will cause a <b>MultiPoint</b> to be returned.</li>
                                </ul>
                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>TriangularGrid</b></td>
				<td>TriangularGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_TriangularGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of triangular cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The specific Type of returned Geometry is controlled by the <b>mode</b> attribute value:
                                <ul>
									<li>any <i>positive</i> value will cause a <b>MultiLinesting</b> to be returned.</li>
									<li><i>zero</i> (default value) will cause a <b>MultiPolygon</b> to be returned.</li>
									<li>any <i>negative</i> value will cause a <b>MultiPoint</b> to be returned.</li>
                                </ul>
                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>HexagonalGrid</b></td>
				<td>HexagonalGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_HexagonalGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , mode <i>Integer</i> , [ origin <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of hexagonal cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The specific Type of returned Geometry is controlled by the <b>mode</b> attribute value:
                                <ul>
									<li>any <i>positive</i> value will cause a <b>MultiLinesting</b> to be returned.</li>
									<li><i>zero</i> (default value) will cause a <b>MultiPolygon</b> to be returned.</li>
									<li>any <i>negative</i> value will cause a <b>MultiPoint</b> to be returned.</li>
                                </ul>
                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>BuildMbr</b></td>
				<td>BuildMbr( x1 <i>Double precision</i> , y1 <i>Double precision</i> ,
				x2 <i>Double precision</i> , y2 <i>Double precision</i> [ , SRID <i>Integer</i>] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the SVG [<i>Scalable Vector Graphics</i>] representation</td></tr>
			<tr><td><b>AsKml</b></td>
				<td>AsKml( geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i><br>
				AsKml( name <i>String</i>, description <i>String</i>, geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ</td>
				<td>returns the KML [<i>Keyhole Markup Language</i>] representation<br>
				The first form will simply generate the geometry element: the second form will generate a complete KML entity</td></tr>
			<tr><td><b>GeomFromKml</b></td>
				<td>GeomFromKml( KmlGeometry <i>String</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its KML Representation</td></tr>	
................................................................................
				<td>returns the EWKT [<i>Extended Well Known Text</i>] representation (PostGIS compatibility)</td></tr>
			<tr><td><b>GeomFromEWKT</b></td>
				<td>GeomFromEWKT( ewktGeometry <i>String</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its EWKT Representation</td></tr>	
			<tr><td><b>AsFGF</b></td>
				<td>AsFGF( geom <i>Geometry</i> , dims <i>Integer</i> ) : <i>Binary</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the FGF [<i>FDO Geometry Binary Format</i>] representation<hr>
				<i>dims</i> can assume one of the following values:
				<ul>
					<li><b>0</b> XY dimension</li>
					<li><b>1</b> XYZ dimension</li>
					<li><b>2</b> XYM dimension</li>
					<li><b>3</b> XYZM dimension</li>
				</ul></td></tr>
			<tr><td><b>GeomFromFGF</b></td>
				<td>GeomFromFGF( fgfGeometry <i>Binary</i> [ , SRID <i>Integer</i>] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its FGF binary Representation</td></tr>
			<tr><td><b>AsTWKB</b></td>
				<td>AsTWKB( geom <i>Geometry</i> ) : <i>TWKB-blob</i><hr>
				    AsTWKB( geom <i>Geometry</i> , precision_xy <i>Integer</i>) : <i>TWKB-blob</i><hr>
				    AsTWKB( geom <i>Geometry</i> , precision_xy <i>Integer</i> , precision_z <i>Integer</i> ) : <i>TWKB-blob</i><hr>
				    AsTWKB( geom <i>Geometry</i> , precision_xy <i>Integer</i> , precision_z <i>Integer</i> , precision_m <i>Integer</i> ) : <i>TWKB-blob</i><hr>
				    AsTWKB( geom <i>Geometry</i> , precision_xy <i>Integer</i> , precision_z <i>Integer</i> , precision_m <i>Integer</i> , with_size <i>Integer</i> ) : <i>TWKB-blob</i><hr>
				    AsTWKB( geom <i>Geometry</i> , precision_xy <i>Integer</i> , precision_z <i>Integer</i> , precision_m <i>Integer</i> , with_size <i>Integer</i> , with_bbox <i>Integer</i> ) : <i>TWKB-blob</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>returns the TWKB [<i>Tiny Well Known Binary</i>] representation (PostGIS/Mapnik compatibility)
				<ul>
					<li>the optional arguments <b>precision_xy</b>, <b>precision_z</b> and <b>precision_m</b> are intended to specify how many decimal digits should be preserved
					for the corresponding coordinate (<i>less decimal digits = stronger compression</i>). If not specified the default value is alwasy <b>ZERO</b> (no decimal digits at all).</li>
					<li>the optional arguments <b>with_size</b> and <b>with_bbox</b> are of the <b>Boolean</b> type (<b>TRUE</b> or <b>FALSE</b>) and respectively control if the
					TWKB geometry should include or not a <b>size</b> and/or a <b>BBOX</b>. If not specified the default value is always <b>FALSE</b>.</li>
				</ul></td></tr>
			<tr><td><b>GeomFromTWKB</b></td>
				<td>GeomFromTWKB( twkbGeometry <i>BLOB</i> [ , SRID <i>Integer</i>]  ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>construct a geometric object given its TWKB Representation</td></tr>
			<tr><td><b>AsEncodedPolyline</b></td>
				<td>ST_AsEncodedPolyline( geom <i>Geometry</i> ) : <i>TEXT</i><hr>
				    ST_AsEncodedPolyline( geom <i>Geometry</i> , precision <i>Integer</i> ) : <i>TEXT</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>returns a <i>GoogleMaps encoded Polyline</i> from a Geometry.<br>
				    The optional arguments <b>precision</b> is intended to specify how many decimal digits should be preserved (<i>default value</i>: <b>5</b>).<br>
				    <u>Note</u>: the input Geometry must be a <b>LINESTRING</b> in some <b>geographic SRID</b> (coordinates expressed as <b>longitude</b> and <b>latitude</b> angles).<hr>
				    <b>NULL</b> will be returned on invalid arguments.
				</td></tr>	
				
			<tr><td><b>LineFromEncodedPolyline</b></td>
				<td>ST_LineFromEncodedPolyline( polyline <i>TEXT</i> ) : <i>Geometry</i><hr>
				    ST_LineFromEncodedPolyline( polyline <i>TEXT</i> , precision <i>Integer</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>returns a Geometry from a <i>GoogleMaps encoded Polyline</i>.<br>
				    The optional arguments <b>precision</b> is intended to specify how many decimal digist should be preserved (<i>default value</i>: <b>5</b>).<br>
				    <u>Note</u>: the returned Geometry will always be a <b>LINESTRING</b> in the <b>SRID=4326</b>.<hr>
				    <b>NULL</b> will be returned on invalid arguments.
				</td></tr>	
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p4">SQL functions on type Geometry</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
					<b>2</b>, <b>3</b> or <b>4</b></td></tr>
			<tr><td><b>Is3D</b></td>
				<td>ST_Is3D( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Checks if <i>geom</i> has the Z dimension.<br>
                                    The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
                                    and -1 for UNKNOWN when called with invalid arguments.</td></tr>
			<tr><td><b>IsMeasured</b></td>
				<td>ST_IsMeasured( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Check if <i>geom</i> has the M dimension.<br>
                                    The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
                                    and -1 for UNKNOWN when called with invalid arguments.</td></tr>
			<tr><td><b>GeometryType</b></td>
				<td>GeometryType( geom <i>Geometry</i> ) : <i>String</i><hr>
					ST_GeometryType( geom <i>Geometry</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the name of the instantiable subtype of Geometry of which this geometric object is a member, as a string</td></tr>
			<tr><td><b>SRID</b></td>
				<td>SRID( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_SRID( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the Spatial Reference System ID for this geometric object</td></tr>
			<tr><td><b>SetSRID</b></td>
				<td>SetSRID( geom <i>Geometry</i> , SRID <i>Integer</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>directly sets the Spatial Reference System ID for this geometric object [no reprojection is applied]<hr>
					Will return a new Geometry BLOB object, or <b>NULL</b> on invalid arguments or errors.</td></tr>

			<tr><td><b>IsEmpty</b></td>
				<td>IsEmpty( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_IsEmpty( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.<hr>
					TRUE if this geometric object corresponds to the empty set</td></tr>
			<tr><td><b>IsSimple</b></td>
				<td>IsSimple( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_IsSimple( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.<hr>
					TRUE if this geometric object is simple, as defined in the Geometry Model</td></tr>
			<tr><td><b>IsValid</b></td>
				<td>IsValid( geom <i>Geometry</i> [ , esri_flag <i>Boolean</i> ] ) : <i>Integer</i><hr>
					ST_IsValid( geom <i>Geometry</i> [ , esri_flag <i>Boolean</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.<br>
					If the <b>ESRI_flag</b> argument is set to 1 (TRUE), then all ESRI-like internal holes
					(violating the standard OGC model) will be considered valid.<hr>
					TRUE if this geometric object does  not contains any topological error</td></tr>
			<tr><td><b>IsValidReason</b></td>
				<td>IsValidReason( geom <i>Geometry</i> [ , esri_flag <i>Boolean</i> ] ) : <i>String</i><hr>
					ST_IsValidReason( geom <i>Geometry</i> [ , esri_flag <i>Boolean</i> ] ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a TEXT string stating if a Geometry is valid and if not valid, a reason why.<br>
					If the <b>ESRI_flag</b> argument is set to 1 (TRUE), then all ESRI-like internal holes
					(violating the standard OGC model) will be considered valid.<hr>
					NULL will be returned on invalid arguments.</td></tr>
			<tr><td><b>IsValidDetail</b></td>
				<td>IsValidDetail( geom <i>Geometry</i>  [ , esri_flag <i>Boolean</i> ]) : <i>Geometry</i><hr>
					ST_IsValidDetail( geom <i>Geometry</i>  [ , esri_flag <i>Boolean</i> ]) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a Geometry detail (usually a <b>POINT</b>) causing invalidity.<br>
					If the <b>ESRI_flag</b> argument is set to 1 (TRUE), then all ESRI-like internal holes
					(violating the standard OGC model) will be considered valid.<hr>
					NULL will be returned on invalid arguments, or in the case of a valid Geometry.</td></tr>
			<tr><td><b>Boundary</b></td>
				<td>Boundary( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_Boundary( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>returns a geometric object that is the combinatorial boundary of g as defined in the Geometry Model</td></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry [if a valid Geometry was supplied], or NULL in any other case.<hr>
                                    Any Linestring or Ring will be in reverse order (first vertex will be the last one,
                                    and last vertex will be the first one).</td></tr>
			<tr><td><b>ForceLHR</b></td>
				<td>ST_ForceLHR( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Just an <b>alias-name</b> for <b>ST_ForcePolygonCW()</b>.<br>
				<table bgcolor="#ffff00"><tr><td>Note: this function in Spatialite has a different interpretation then in PostGIS.</td></tr></table>
				</td></tr>
			<tr><td><b>ForcePolygonCW</b></td>
				<td>ST_ForcePolygonCW( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry [if a valid Geometry was supplied], or NULL in any other case.<hr>
                                    All Polygons will be oriented accordingly to Clockwise Rule (all Exterior
                                    Ring will be clockwise oriented, and all Interior Rings will be counter-clockwise oriented).</td></tr>
			<tr><td><b>ForcePolygonCCW</b></td>
				<td>ST_ForcePolygonCCW( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry [if a valid Geometry was supplied], or NULL in any other case.<hr>
                                    All Polygons will be oriented accordingly to Counter-Clockwise Rule (all Exterior
                                    Ring will be counter-clockwise oriented, and all Interior Rings will be clockwise oriented).</td></tr>
			<tr><td><b>IsPolygonCW</b></td>
				<td>ST_IsPolygonCW( geom <i>Geometry</i> ) : <i>Boolean</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns <b>TRUE</b> (<b>1</b>) if all Polygons into the Geometry are oriented accordingly to Clockwise Rule (all Exterior
                                    Ring must be clockwise oriented, and all Interior Rings must be counter-clockwise oriented).<br>
                    returns <b>FALSE</b> (<b>0</b>) if not; returns <b>-1</b> on invalid Geometries.<hr>
                    <u>Note</u>: a Geometry containing no Polygons will always return TRUE.</td></tr>
			<tr><td><b>IsPolygonCCW</b></td>
				<td>ST_IsPolygonCCW( geom <i>Geometry</i> ) : <i>Boolean</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns <b>TRUE</b> (<b>1</b>) if all Polygons into the Geometry are oriented accordingly to Counter-Clockwise Rule (all Exterior
                                    Ring must be counter-clockwise oriented, and all Interior Rings must be clockwise oriented).<br>
                    returns <b>FALSE</b> (<b>0</b>) if not: returns <b>-1</b> on invalid Geometries.<hr>
                    <u>Note</u>: a Geometry containing no Polygons will always return TRUE.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="repair">SQL functions attempting to repair malformed Geometries</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a (possibly) sanitized Geometry [<i>if a valid Geometry was supplied</i>], or NULL in any other case<hr>
					<u>Please note</u>: current implementations only affects:<ul>
						<li>repeated vertices suppression</li>
						<li>Ring's closure enforcement</li>
					</ul></td></tr>
			<tr><td><b>EnsureClosedRings</b></td>
				<td>EnsureClosedRings( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry derived from the input Geometry; all <i>Rings</i> within the output Geometry are ensured to be correctly <i>closed</i>, 
				    i.e. will have exactly coincident <i>start</i> and <i>end</i> vertices.<br>
				    This function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
					<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.<hr>
					Will return <b>NULL</b> on invalid argument.
				</td></tr>
			<tr><td><b>RemoveRepeatedPoints</b></td>
				<td>RemoveRepeatedPoints( geom <i>Geometry</i> ) : geom <i>Geometry</i><hr>
				    RemoveRepeatedPoints( geom <i>Geometry</i> , tolerance <i>Double</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry derived from the input Geometry; all repeated vertices found in <i>Linestrings</i> or <i>Rings</i> will be removed and the same applies
				    to repeated points found in <i>Multipoints</i>.<br>
				    This function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
					<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.
					<ul>
						<li>if the optional argument <b>tolerance</b> is defined all vertices/points presenting a distance less or equal to this value will be considered as repeated points.<br>
						The default tolerance value is <b>0.0</b>, this intending an <i>exact coincidence</i>; the same applies to any <i>negative</i> tolerance.</li>
						<li><i>Linestring</i> or <i>Ring</i> vertices are considered to be repeated only if they are <i>consecutive</i>.</li>
						<li><i>Multipoint</i> points are considered to be repeated independentely from their relative order.</li>
					</ul><hr>
					Will return <b>NULL</b> on invalid arguments.
				</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="compress">SQL Geometry-compression functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CastToXY</b></td>
				<td>CastToXY( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XY</b>] space dimension</td></tr>
			<tr><td><b>CastToXYZ</b></td>
				<td>CastToXYZ( geom <i>Geometry</i> ) : geom <i>Geometry</i><hr>
				    CastToXYZ( geom <i>Geometry</i> , no_data <i>Double</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYZ</b>] space dimension.<br>
				    If the input Geometry already supports <b>Z</b> coordinates they'll be preserved as they are.<br>
				    If the input Geometry does not support <b>Z</b> coordinates they'll be set to <b>no_data</b> (defaulting to <b>0.0</b> if <b>no_data</b> is not specified).</td></tr>
			<tr><td><b>CastToXYM</b></td>
				<td>CastToXYM( geom <i>Geometry</i> ) : geom <i>Geometry</i><hr>
				    CastToXYM( geom <i>Geometry</i> , no_data <i>Double</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYM</b>] space dimension.<br>
				    If the input Geometry already supports <b>M</b> coordinates they'll be preserved as they are.<br>
				    If the input Geometry does not support <b>M</b> coordinates they'll be set to <b>no_data</b> (defaulting to <b>0.0</b> if <b>no_data</b> is not specified).</td></tr>
			<tr><td><b>CastToXYZM</b></td>
				<td>CastToXYZM( geom <i>Geometry</i> ) : geom <i>Geometry</i><hr>
				    CastToXYZM( geom <i>Geometry</i> , z_no_data <i>Double</i> , m_no_data <i>Double</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYZM</b>] space dimension.<br>
				    If the input Geometry already supports <b>Z</b> coordinates they'll be preserved as they are.<br>
				    If the input Geometry does not support <b>Z</b> coordinates they'll be set to <b>z_no_data</b> (defaulting to <b>0.0</b> if <b>z_no_data</b> is not specified).<br>
				    The same rule applies to <b>M</b> coordinates and <b>m_no_data</b>.</td></tr>
			<tr><td colspan="7" align="center" bgcolor="#f0f0c0">
				<h3><a name="p5">SQL functions on type Point</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				but they are by far quickest to compute</td></tr>
			<tr><td><b>IsClosed</b></td>
				<td>IsClosed( c <i>Curve</i> ) : <i>Integer</i><hr>
					ST_IsClosed( c <i>Curve</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument;<hr>
					return TRUE if c is closed, i.e., if StartPoint(c) = EndPoint(c)</td></tr>
			<tr><td><b>IsRing</b></td>
				<td>IsRing( c <i>Curve</i> ) : <i>Integer</i><hr>
					ST_IsRing( c <i>Curve</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.<hr>
					return TRUE if c is a ring, i.e., if c is closed and simple. A simple Curve does not pass through 
					the same Point more than once.</td></tr>
			<tr><td><b>PointOnSurface</b></td>
				<td>PointOnSurface( s <i>Surface/Curve</i> ) : <i>Point</i><hr>
					ST_PointOnSurface( s <i>Surface/Curve</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
................................................................................
				<td>return a Point guaranteed to lie on the Surface (or Curve)</td></tr>
			<tr><td><b>Simplify</b></td>
				<td>Simplify( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
                                ST_Simplify( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
				ST_Generalize( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a geometric object representing a simplified version of <i>c</i> applying the Douglas-Peuker 
algorithm with given <i>tolerance</i></td></tr>
			<tr><td><b>SimplifyPreserveTopology</b></td>
				<td>SimplifyPreserveTopology( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
                                ST_SimplifyPreserveTopology( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a geometric object representing a simplified version of <i>c</i> applying the Douglas-Peuker
algorithm with given <i>tolerance</i> and respecting topology</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p7">SQL functions on type LineString</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of Points in the LineString</td></tr>
			<tr><td><b>PointN</b></td>
				<td>PointN( line <i>LineString</i> , n <i>Integer</i> ) : <i>Point</i><hr>
					ST_PointN( line <i>LineString</i> , n <i>Integer</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a Point containing Point n of line (first Point corresponds to n=1)</td></tr>
			<tr><td><b>AddPoint</b></td>
				<td>AddPoint( line <i>LineString</i> , point <i>Point</i> [ , position <i>Integer</i> ] ) : <i>Linestring</i><hr>
					ST_AddPoint( line <i>LineString</i> , point <i>Point</i> [ , position <i>Integer</i> ] ) : <i>Linestring</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Linestring by adding a new Point into the input Linestring immediately before <b>position</b> (zero-based index).<br>
                                A negative <b>position</b> (default) means appending the new Point to the end of the input Linestring.<br>
................................................................................
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return the area of s</td></tr>
			<tr><td>Area( s <i>Surface</i> , use_ellipsoid <i>Boolean</i> ) : <i>Double precision</i><hr>
					ST_Area( s <i>Surface</i> , use_ellipsoid <i>Boolean</i> ) : <i>Double precision</i>
				</td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the area of s (measured in meters).<br>
If the <b>use_ellipsoid</b> argument is set to <b>TRUE</b> the precise (but slower) area will be computed on the Ellipsoid, otherwise will be computed on the Sphere (approximative, but faster).<hr>
This function only supports Long/Lat coordinates, and will return NULL for any planar CRS</td></tr>
			<tr><td rowspan="2"><b><a name="circularity">Circularity</a></b></td>
				<td>Circularity( s <i>Surface</i> ) : <i>Double precision</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>computes the Circularity Index from the given Geometry by applying the following formula:
				    <ul>
						<li><i>index = ( 4 * PI * Sum(area) ) / ( Sum(perimeter) * Sum(perimeter) )</i></li>
				    </ul>
				    <ul>
						<li>it only applies to <i>Polygons</i> or <i>MultiPolygons</i> with the following interpretation:
						<ul>
							<li><b>1.0</b> corresponds to a perfectly circular shape.</li>
							<li><b>very low</b> values (near zero) correspond to a threadlike shape.</li>
							<li><b>intermediate</b> values correspond to a more or less flattened shape;  lower index values means a stronger flattening effect.</li>
						</ul></li>
						<li>if the given Geometry does not contains any <i>Polygon</i> but contains at least a <i>Linestring</i> the index will always assume a <b>0.0</b> value.</li>
						<li>if the given Geometry only contains one or more <i>Points</i> the index will always assume a <b>NULL</b> value.</li>
				    </ul>
				    </td></tr>
			<tr><td>Circularity( s <i>Surface</i> , use_ellipsoid <i>Boolean</i> ) : <i>Double precision</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>same as the above Function, but in this case areas and perimeters will be measured in meters.<br>
If the <b>use_ellipsoid</b> argument is set to <b>TRUE</b> the precise (but slower) values will be computed on the Ellipsoid, otherwise they'll be computed on the Sphere (approximative, but faster).<hr>
This function only supports Long/Lat coordinates, and will return NULL for any planar CRS</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p9">SQL functions on type Polygon</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of interiorRings</td></tr>
			<tr><td><b>InteriorRingN</b></td>
				<td>InteriorRingN( polyg <i>Polygon</i> , n <i>Integer</i> ) : <i>LineString</i><hr>
					ST_InteriorRingN( polyg <i>Polygon</i> , n <i>Integer</i> ) : <i>LineString</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the nth (1-based) interiorRing. The order of Rings is not geometrically significant.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p10">SQL functions on type GeomCollection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of individual Geometries</td></tr>
			<tr><td><b>GeometryN</b></td>
				<td>GeometryN( geom <i>GeomCollection</i> , n <i>Integer</i> ) : <i>Geometry</i><hr>
					ST_GeometryN( geom <i>GeomCollection</i> , n <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the nth (1-based) geometric object in the collection.
					The order of the elements in the collection is not geometrically significant.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p11">SQL functions that test approximate spatial relationships via MBRs</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>MbrEqual</b></td>
				<td>MbrEqual( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if g1 and g2 have equal MBRs</td></tr>
			<tr><td><b>MbrDisjoint</b></td>
				<td>MbrDisjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 MBRs is the empty set</td></tr>
			<tr><td><b>MbrTouches</b></td>
				<td>MbrTouches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the only Points in common between g1 and g2 MBRs lie in the union of the boundaries of g1 and g2</td></tr>
			<tr><td><b>MbrWithin</b></td>
				<td>MbrWithin( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if g1 MBR is completely contained in g2 MBR</td></tr>
			<tr><td><b>MbrOverlaps</b></td>
				<td>MbrOverlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 MBRs results in a value of the same
					dimension as g1 and g2 that is different from both g1 and g2</td></tr>
			<tr><td><b>MbrIntersects</b></td>
				<td>MbrIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<br>
					convenience predicate: TRUE if the intersection of g1 and g2 MBRs is not empty</td></tr>
			<tr><td><b>EnvelopesIntersects</b></td>
				<td>ST_EnvIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
				    ST_EnvelopesIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
				    ST_EnvIntersects( geom1 <i>Geometry</i> , x1 <i>Double precision</i> , y1 <i>Double precision</i> , x2 <i>Double precision</i> , y2 <i>Double precision</i> ) : <i>Integer</i><hr>
				    ST_EnvelopesIntersects( geom1 <i>Geometry</i> , x1 <i>Double precision</i> , y1 <i>Double precision</i> , x2 <i>Double precision</i> , y2 <i>Double precision</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The first form simply is an <u>alias name</u> for <b>MbrIntersects</b>; the other form allows to define the second MBR by two extreme points [<b>x1, y1</b>] and [<b>x2, y2</b>].<br>
                                        The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with invalid arguments;<br>
					convenience predicate: TRUE if the intersection of both MBRs is not empty</td></tr>
			<tr><td><b>MbrContains</b></td>
				<td>MbrContains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<hr>
					convenience predicate: TRUE if g2 MBR is completely contained in g1 MBR</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p12">SQL functions that test spatial relationships</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Equals</b></td>
				<td>Equals( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Equals( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if g1 and g2 are equal</td></tr>
			<tr><td><b>Disjoint</b></td>
				<td>Disjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Disjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 is the empty set</td></tr>
			<tr><td><b>Touches</b></td>
				<td>Touches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Touches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the only Points in common between g1 and g2 lie in the union of the boundaries of g1 and g2</td></tr>
			<tr><td><b>Within</b></td>
				<td>Within( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Within( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if g1 is completely contained in g2</td></tr>
			<tr><td><b>Overlaps</b></td>
				<td>Overlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Overlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 results in a value of the same
					dimension as g1 and g2 that is different from both g1 and g2</td></tr>
			<tr><td><b>Crosses</b></td>
				<td>Crosses( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Crosses( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 results in a value whose dimension is less 
					than the maximum dimension of g1 and g2 and the intersection value includes Points 
					interior to both g1 and g2, and the intersection value is not equal to either g1 or g2</td></tr>
			<tr><td><b>Intersects</b></td>
				<td>Intersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Intersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<br>
					convenience predicate: TRUE if the intersection of g1 and g2 is not empty</td></tr>
			<tr><td><b>Contains</b></td>
				<td>Contains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Contains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<hr>
					convenience predicate: TRUE if g2 is completely contained in g1</td></tr>
			<tr><td><b>Covers</b></td>
				<td>Covers( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Covers( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<hr>
					convenience predicate: TRUE if g1 completely covers g2</td></tr>
			<tr><td><b>CoveredBy</b></td>
				<td>CoveredBy( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_CoveredBy( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<hr>
					convenience predicate: TRUE if g1 is completely covered by g2</td></tr>
			<tr><td rowspan="2"><b>Relate</b></td>
				<td><h3>OGC canonical signature</h3>
				    Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , patternMatrix <i>String</i> ) : <i>Integer</i><hr>
					ST_Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , patternMatrix <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
					<td>For more informations about patternMatrix interpretation please read: <a href="https://en.wikipedia.org/wiki/DE-9IM">DE-9IM</a><br><br>
					The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL arguments;<hr>

					returns TRUE if the spatial relationship specified by the patternMatrix holds.</td></tr>
			<tr><td><h3>non-canonical signature (PostGIS-like)</h3>
				    Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Text</i><hr>
					ST_Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Text</i><hr>
				    Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , bnr <i>Integer</i> ) : <i>Text</i><hr>
					ST_Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , bnr <i>Integer</i> ) : <i>Text</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Text, this corresponding to the serialized representation of some <b>[DE-9IM]</b> intersection matrix.<br>
					The optional argument <i>bnr</i> determines the Boundary Node Rule to be appiled, and has the following interpretation:
					<ul>
						<li><b>1</b>: OGC/MOD2 (this is the default case, and will be always assumed for any unknown value)</li>
						<li><b>2</b>: Endpoint</li>
						<li><b>3</b>: Multivalent Endpoint</li>
						<li><b>4</b>: Monovalent Endpoint</li>
					</ul>
					A patternMatrix returned by this function is then expected to be evaluated later by <b>ST_RelateMatch()</b>.<br>
					The main advantage in using this approach is that this way a comprehensive result (the patternMatrix itself) representing all possible intersection 
					modes between two geometries will be be computed just once by <b>ST_Relate()</b> and could then be more precisely qualified by repeatedly calling <b>ST_RelateMatch()</b>;
					the first operation is computationally heavy but the second is really fast, so an overall performance boot is usually expected when more than a single
					intersection mode have to be checked at the same time, as e.g. <i>OVERLAPS OR TOUCHES OR INTERSECTS</i>.<hr>
					Will return <b>NULL</b> on NULL or invalid geometries.
					</td></tr>
			<tr><td><b>RelateMatch</b></td>
				<td>ST_RelatedMatch( matrix <i>Text</i> , pattern <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Evaluates if an intersection matrix <b>[DE-9IM]</b> satisfies an intersection pattern.<hr>
					The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN when called with NULL or invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p13">SQL functions for distance relationships</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td>return the distance between geom1 and geom2 (measured in meters).<br>
If the <b>use_ellipsoid</b> argument is set to <b>TRUE</b> the precise (but slower) distance will be computed on the Ellipsoid, otherwise will be computed on the Great Cicle (approximative, but faster).<hr>
This function only supports Long/Lat coordinates, and will return NULL for any planar CRS</td></tr>
			<tr><td><b>PtDistWithin</b></td>
				<td>PtDistWithin( geom1 <i>Geometry</i> , geom2 <i>Geometry</i>, range <i>Double precision</i> [, use_spheroid <i>Integer</i> ] ) 
					: <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ</td>
				<td>return TRUE (1) if the distance between <i>geom1</i> and <i>geom2</i> is within the given range.<br>
				Usually distances are expressed in the length unit corresponding to the geoms own SRID:
				but if both geoms are simple POINTs and their SRID is 4326 (i.e. WGS84), then distances are
				expressed in <b>meters</b>.<br>
				In this later case the optional arg <i>use_spheroid</i> can be used to select the distance
				algorithm to be used: is <i>use_spheroid = 1</i> the slowest but most accurate <b>geodesic distance</b>
				will be evaluated: in any other case the simplest <b>great circle distance</b> will be used instead</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14-">SQL functions supporting Linear Referencing</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>AddMeasure</b></td>
				<td>ST_AddMeasure( geom <i>Geometry</i> , m_start <i>Double precision</i> , m_end <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Return a derived Geometry with M-values linearly interpolated between the start and end points.<br>
				NULL will be returned if any error is encountered.<br>
                                <u>Please note</u>: NULL will be returned if geom is not of the Linestring or MultiLinestring type.</td></tr>		
			<tr><td><b>InterpolatePoint</b></td>
				<td>ST_InterpolatePoint( line <i>Geometry</i> , point <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Interpolates the M-value of a linear Geometry at the point closest to the given point.<br>
				NULL will be returned if any error is encountered.<br>
                                <u>Please note</u>: NULL will be returned if the first geometry is not a Linestring supporting M-values, or if the second geometry is not a Point.</td></tr>		
			<tr><td><b>LocateAlongMeasure</b></td>
				<td>ST_Locate_Along_Measure( geom <i>Geometry</i> , m_value <i>Double precision</i> ) : <i>Geometry</i><hr>
				    ST_LocateAlong( geom <i>Geometry</i> , m_value <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Return a derived geometry collection value with elements that match the specified measure.<br>
				NULL will be returned if any error is encountered (or when no element corresponding to the given measure is found).<br>
                                <u>Please note</u>: NULL will be returned if geom doesn't contain M-dimension, or if geom contains a Polygon, or if geom is a GeometryCollection.</td></tr>
			<tr><td><b>LocateBetweenMeasures</b></td>
				<td>ST_Locate_Between_Measures( geom <i>Geometry</i> , m_start <i>Double precision</i> , m_end <i>Double precision</i> ) : <i>Geometry</i><hr>
				    ST_LocateBetween( geom <i>Geometry</i> , m_start <i>Double precision</i> , m_end <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Return a derived geometry collection value with elements that match the specified range of measures.<br>
				NULL will be returned if any error is encountered (or when no element corresponding to the given range of measures is found).<br>
                                <u>Please note</u>: NULL will be returned if geom doesn't contain M-dimension, or if geom contains a Polygon, or if geom is a GeometryCollection.</td></tr>                            
			<tr><td><b>IsValidTrajectory</b></td>
				<td>ST_IsValidTrajectory( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Check if a Geometry corresponds to a valid Trajectory.<br>
				a Trajectory is assumed to be a LINESTRING supporting M-values growing from each vertex to the next.<hr>
				NULL will be returned on invalid arguments.</td></tr>                           
			<tr><td><b>TrajectoryInterpolatePoint</b></td>
				<td>ST_TrajectoryInterpolarePoint( geom <i>Geometry</i> , m_value <i>Double</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Check if a Geometry corresponds to a valid Trajectory.<br>
				Return a POINT Geometry being interpolated along the Geometry (that is expected to be a valid Trajectory) accordingly to the given M-value.<br>
				The interpolated Point will have the same dimensions and SRID of the Trajectory.<hr>
				NULL will be returned on invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14">SQL functions that implement spatial operators</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Intersection</b></td>
................................................................................
					end_fraction <i>Double precision</i> ) : <i>Curve</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Return a Linestring being a substring of the input one starting and ending at the given fractions of total 2d length.<br>
					Second and third arguments are expected to be in the range between <b>0.0</b> and <b>1.0</b>.<br>
					NULL is returned for invalid arguments</td></tr>
			<tr><td><b>ClosestPoint</b></td>
				<td>ClosestPoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Point</i><hr>
					ST_ClosestPoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Point</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Returns the Point on geom1 that is closest to geom2.<br>
					NULL is returned for invalid arguments (or if distance is ZERO)</td></tr>
			<tr><td><b>ShortestLine</b></td>
				<td>ShortestLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Curve</i><hr>
					ST_ShortestLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Curve</i></td>
................................................................................
				<td>UnaryUnion( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_UnaryUnion( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Exactely the same as <b><u>ST_Union</u></b>, but applied to a single Geometry.<br>
					(<i>set union of elementary Geometries within a MULTI- or GEOMETRYCOLLECTION complex Geometry</i>)<hr>
				NULL will be returned if any error is encountered</td></tr>
			<tr><td><b>DrapeLine</b></td>
				<td>ST_DrapeLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_DrapeLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , tolerance <i>Double</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a <i>3D Linestring</i> by draping <i>geom1</i> over <i>geom2</i>:
				<ul>
					<li><b>geom1</b> is expected to be a <i>2D Linestring</i> (<i>XY</i> or <i>XYM</i> dimensions).</li>
					<li><b>geom2</b> is expected to be a <i>3D Linestring</i> (<i>XYZ</i> or <i>XYZM</i> dimensions).</li>
					<li>both <b>geom1</b> and <b>geom2</b> must share the same <b>SRID</b>.</li>
					<li>the option <b>tolerance</b> is the distance radius between corresponding 2D and 3d points.<br>
					    By default a <b>0.0</b> tolerance is intended, thus implying an exact coincidence of <b>X</b> and <b>Y</b> coordinates.</li>
				</ul>
				<u>Note</u>: The returned Linestring will contain all Vertices defined by <i>geom1</i> faithfully preserving their <b>X</b> and <b>Y</b> values; 
				<b>Z</b> and <b>M</b> values will be recovered from the corresponding 3D Vertex from <i>geom2</i>, or will be
				possibily interpolated if no direct match exists.<br>
				If neither a direct match nor interpolation can be applied then <b>Z</b> and <b>M</b> will assume a conventional <b>0.0</b> value.<hr>
				NULL will be returned on invalid arguments or if any error is encountered.</td></tr>
			<tr><td><b>DrapeLineExceptions</b></td>
				<td>ST_DrapeLineExceptions( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_DrapeLineExceptions( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , tolerance <i>Double</i> ) : <i>Geometry</i><hr>
					ST_DrapeLineExceptions( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , tolerance <i>Double</i> , interpolated <i>Bool</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a <i>3D MultiPoint</i> containing all undraped Vertices encountered when draping <i>geom1</i> over <i>geom2</i>:
				<ul>
					<li><i>geom1</i>, <i>geom2</i> and <i>tolerance</i> exactly have the same interpretation as in <b>ST_DrapeLine()</b>.</li>
					<li>the option <b>interpolated</b> argument has the following interpreation:
						<ul>
							<li>if <i>FALSE</i> all 2D Vertices lacking a matching 3D Vertex will be inserted into the returned MultiPoint, even when <b>Z</b> and/or <b>M</b> values
							have been succesfully interpolated.</li>
							<li>if <i>TRUE</i> only 2D Vertices completely lacking <b>Z</b> and/or <b>M</b> values (defaulting to <b>0.0</b>) will be inserted into the returned MultiPoint.</li>
							<li>if not specified then <i>TRUE</i> is assumed by default.</li>
						</ul>
					</li>
				</ul>
				NULL will be returned on invalid arguments, or if any error is encountered or if there aren't undraped Vertices.</td></tr>
			<tr><td><b>DissolveSegments</b></td>
				<td>DissolveSegments( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_DissolveSegments( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>a Geometry (actually corresponding to a <i>LINESTRING</i>, <i>MULTILINESTRING</i> or <i>GEOMETRYCOLLECTION</i>) 
				will be returned.<br>
................................................................................
			<tr><td><b>ExtractMultiPolygon</b></td>
				<td>ExtractMultiPolygon( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Given any arbitrary GEOMETRY will return a derived <b>MULTIPOLYGON</b> geometry.
				Sub-geometries not being of the <b>POLYGON</b> type will be ignored.<br>
				NULL will be returned if any error is encountered (or when no POLYGON is found).</td></tr>
















			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14c">SQL functions that implement spatial operators<br>[GEOS advanced features]</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
					The input Geometry could have any arbitrary type; eventually all Linestring's / Polygon's vertices will be dissolved into Points, so to implicitly always get a MultiPoint.<br>
					The returned Geometry will always be of the <b>Polygon</b> or <b>MultiPolygon</b> type.<br>
                                        The default <b>factor</b> applies a <b>3&sigma;</b> filtering; by declaring some <i>lower</i> factor you can get a more aggressive filtering effect.<br>
                                        By setting the optional <b>allow_holes</b> argument to <b>TRUE</b> all <i>interior holes</i> will be preserved.<br>
                                        The optional argument <b>tolerance</b> is intended to normalize the input Geometry, suppressing repeated (or too close) Points.<br>
					NULL is returned on failure.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14d">SQL functions that implement spatial operators<br>[RTTOPO features]</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>MakeValid</b></td>
				<td>MakeValid( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_MakeValid( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a geometric object representing the <i>repaired</i> version of the input Geometry.<br>
                                        If the input Geometry was already valid, then it will be returned exactly as it was.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>MakeValidDiscarded</b></td>
				<td>MakeValidDiscarded( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_MakeValidDiscarded( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a geometric object containing all elements that would be eventually <i>discarded</i> by ST_MakeValid() while validating the same input Geometry.<br>
					NULL is returned on failure, or if no <i>discarded</i> item exists.</td></tr>
			<tr><td><b>Segmentize</b></td>
				<td>Segmentize( geom <i>Geometry</i>, dist <i>Double precision</i>  ) : <i>Geometry</i><hr>
					ST_Segmentize( geom <i>Geometry</i> , dist <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a new Geometry corresponding to the input Geometry; as much Linestring / Ring vertices 
                                        as required will be eventually interpolated so to ensure that no segment will be longer than <i>dist</i>.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>Split</b></td>
				<td>Split( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_Split( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i>.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>SplitLeft</b></td>
				<td>SplitLeft( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_SplitLeft( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i> and falling on the <i>left side</i>.<br>
                                        All items not affected by the split operation (i.e. not intersecting the <i>blade</i>) will be returned into the <i>left</i> collection.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>SplitRight</b></td>
				<td>SplitRight( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_SplitRight( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i> and falling on the <i>right side</i>.<br>
					NULL is returned on failure (or if the <i>right side</i> is empty).</td></tr>
			<tr><td><b>Azimuth</b></td>
				<td>Azimuth( pt1 <i>Geometry</i>, pt2 <i>Geometry</i>  ) : <i>Double precision</i><hr>
					ST_Azimuth( pt1 <i>Geometry</i> , pt2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the angle (in radians) from the horizontal of the vector defined by <b>pt1</b> and <b>pt2</b>.<br>
                                        Both <b>pt1</b> and <b>pt2</b> are expected to be simple Points.<br>
					Starting since <u>4.1.0</u> if both points supports <u>long/lat</u> coords the returned Azimuth will be precisely computed on the ellipsoid.<br>
					NULL is returned on failure.<hr>
                                        On the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/2</td></tr>
			<tr><td><b>Project</b></td>
				<td>Project( start_point <i>Geometry</i>, distance <i>Double precision</i>, azimuth <i>Double precision</i>  ) : <i>Geometry</i><hr>
					ST_Project( start_point <i>Geometry</i>, distance <i>Double precision</i>, azimuth <i>Double precision</i>  ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return a new Point projected from a start point using a bearing and distance.<br>
                                        <b>start_point</b> is expected to be simple <u>long/lat</u> Point.<br>
					<b>distance</b> is expected to be measured in <u>meters</u>; <b>azimuth</b> (aka <u>bearing</u> or <u>heading</u>) has the same identical meaning as in <b>ST_Azimuth()</b>.<br>
					NULL is returned on failure or on invalid arguments.</td></tr>
			<tr><td><b>SnapToGrid</b></td>
				<td>SnapToGrid( geom <i>Geometry</i> , size <i>Double precision</i>  ) : <i>Geometry</i><br>
				        SnapToGrid( geom <i>Geometry</i> , size_x <i>Double precision</i> , size_y <i>Double precision</i> ) : <i>Geometry</i><br>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a new Geometry corresponding to the input Geometry; all points and vertices will be snapped to the grid defined by its origin and size(s).<br>
                                        Removes all consecutive points falling on the same cell.<br>
                                        All collapsed geometries will be stripped from the returned Geometry.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>GeoHash</b></td>
				<td>GeoHash( geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i><hr>
					ST_GeoHash( geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>Return a GeoHash representation (geohash.org) of the geometry.<br>
                                    A GeoHash encodes a point into a text form that is sortable and searchable based on prefixing.<br>
                                    <ul>
										<li>If no <i>precision</i> is specficified ST_GeoHash returns a GeoHash based on full precision of the input geometry type.<br>
                                        Points return a GeoHash with 20 characters of precision (about enough to hold the full double precision of the input).</li>
                                        <li>Other types return a GeoHash with a variable amount of precision, based on the size of the feature.
                                        Larger features are represented with less precision, smaller features with more precision.
                                        The idea is that the box implied by the GeoHash will always contain the input feature.</li>
                                        <li>When explicitly set the <i>precision</i> argument will determine how many characters should by used by the returned GeoHash.</li>
                                    </ul><hr>
                                    ST_GeoHash will not work with geometries that are not in geographic (lon/lat) coordinates</td></tr>
			<tr><td><b>AsX3D</b></td>
				<td>AsX3D( geom <i>Geometry</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> , refid <i>String</i> ) : <i>String</i><hr>
				ST_AsX3D( geom <i>Geometry</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> , refid <i>String</i> ) : <i>String</i>
</td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>Returns a geometry as an X3D XML formatted node element.</td></tr>
			<tr><td><b>MaxDistance</b></td>
				<td>MaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i><hr>
					ST_MaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the max distance between geom1 and geom2</td></tr>
			<tr><td><b>3DDistance</b></td>
				<td>ST_3DDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the 3D-distance between geom1 and geom2 (Z coordinates will be considered)</td></tr>
			<tr><td><b>3DMaxDistance</b></td>
				<td>ST_3DMaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the max 3D-distance between geom1 and geom2 (Z coordinates will be considered)</td></tr>
			<tr><td><b>3dLength</b></td>
				<td>ST_3dLength( geom <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>return the total 2D or 3D-length of <i>Linestring</i> or <i>MultiLinestring</i> geometry.<br>
				Z coordinates if eventually present will be considered leading to a 3D measured length; otherwise a 2D length will be computed.</td></tr>
			<tr><td><b>ST_Node</b></td>
				<td>ST_Node( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>Fully nodes a set of linestrings using the least possible number of nodes while preserving all of the input ones.<br>
                                <b>NULL</b> will be returned if the input Geometry isn't a set of linestrings or if any other error occurs.</td></tr>
			<tr><td><b>SelfIntersections</b></td>
				<td>SelfIntersections( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
                                	ST_SelfIntersections( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td>Returns a MultiPoint Geometry representing any self-intersection found within the input geometry
					[expected to be of the Linestring or MultiLinestring type].<br>
                                <b>NULL</b> will be returned for invalid arguments, or when no self-intersections were found.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p15">SQL functions for coordinate transformations</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Transform</b></td>
				<td>Transform( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i><hr>
					ST_Transform( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ</td>
				<td>return a geometric object obtained by reprojecting coordinates into the Reference System identified by newSRID</td></tr>
			<tr><td><b>TransformXY</b></td>
				<td>TransformXY( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i><hr>
					ST_TransformXY( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ</td>
				<td>this is a <i>special flavor</i> of <b>ST_Transform()</b>; just <b>X</b> and <b>Y</b> coordinates will be transformed,
				<b>Z</b> and <b>M</b> values (if eventually present) will be left untouched.<br>
				<table bgcolor="#ffb080"><tr><td>
				Mainly intended as a workaround for (possibly) imprecise <i><u>+towsg84 PROJ</u></i> definitions; should never be used as a<i>ST_Transform()</i>
				replacement without a very careful evaluation.</td></tr></table>
				</td></tr>
			<tr><td><b>SridFromAuthCRS</b></td>
				<td>SridFromAuthCRS( auth_name <i>String</i> , auth_SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the internal SRID corresponding to <b>auth_name</b> and <b>auth_SRID</b><br>
				<b>-1</b> will be returned if no such CRS is defined </td></tr>
			<tr><td><b>ShiftCoords</b><br><b>ShiftCoordinates</b></td>
................................................................................
					i.e. if xAxis is 0 (FALSE), then x-coordinates remains untouched; otherwise x-coordinates will be reflected</td></tr>
			<tr><td><b>SwapCoords</b><br><b>SwapCoordinates</b></td>
				<td>SwapCoords( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					SwapCoordinates( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by swapping x- and y-coordinates</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">	
				<h3><a name="p14e">SQL functions supporting Geodesic Arcs</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>GeodesicArcLength</b></td>
				<td>GeodesicArcLength( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i><hr>
				    GeodesicArcLength( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , meters <i>Boolean</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ GEODESIC</td>
				<td>returns  the Arc length (distance) between <i>geom1</i> and <i>geom2</i> as the <b>surface</b> measurement of the outer circle arc / earth surface.<br>
				if <i>meters = 0</i> the result will be in degrees, otherwise meters [<b>default</b>].
				<hr>
				will return <b>NULL</b> on invalid arguments, or if PROJ GEODESIC is not supported.</td></tr>
			<tr><td><b>GeodesicChordLength</b></td>
				<td>GeodesicChordLength( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i><hr>
				    GeodesicChordLength( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , meters <i>Boolean</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ GEODESIC</td>
				<td>returns the length of the shortest line (distance) between <i>geom1</i> and <i>geom2</i> <b>through</b> the outer circle / earth surface.<br>
				if <i>meters = 0</i> the result will be in degrees, otherwise meters [<b>default</b>].
				<hr>
				will return <b>NULL</b> on invalid arguments, or if PROJ GEODESIC is not supported.</td></tr>
			<tr><td><b>GeodesicCentralAngle</b></td>
				<td>GeodesicCentralAngle( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i><hr>
				    GeodesicCentralAngle( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , radians <i>Boolean</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ GEODESIC</td>
				<td>returns the angle from the circle center to the <i>geom1</i> and <i>geom2</i> on the outer circle / earth surface.<br>
				if <i>radians = 0</i> the result will be in degrees, otherwise radians [<b>default</b>].
				<hr>
				will return <b>NULL</b> on invalid arguments, or if PROJ GEODESIC is not supported.</td></tr>
			<tr><td><b>GeodesicArcArea</b></td>
				<td>GeodesicArcArea( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ GEODESIC</td>
				<td>returns the area of the segment/arc  between the <b>Chord</b> and <b>Arc</b>, created by <i>geom1</i> and <i>geom2</i>, inside the outer circle / earth surface.<br>
				Since the <b>Radius</b> is in meters, only meter values can be returned.
				<hr>
				will return <b>NULL</b> on invalid arguments, or if PROJ GEODESIC is not supported.</td></tr>
			<tr><td><b>GeodesicArcHeight</b></td>
				<td>GeodesicArcHeight( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ GEODESIC</td>
				<td>returns  the height of the segment/arc (short-Sagitta) between the <b>Chord</b> and <b>Arc</b>, created by <i>geom1</i> and <i>geom2</i>, inside the outer circle / earth surface.<br>
				Since the <b>Radius</b> is in meters, only meter values can be returned.
				<hr>
				will return <b>NULL</b> on invalid arguments, or if PROJ GEODESIC is not supported.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">	
				<h3><a name="p15plus">SQL functions supporting Affine Transformations and Ground Control Points</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>ATM_Create</b></td>
				<td>ATM_Create( <i>void</i> ) : <i>AffineMatrix</i><hr>
				ATM_Create( a <i>Integer</i> , b <i>Integer</i> , d <i>Integer</i> , e <i>Integer</i> , xoff <i>Integer</i> , yoff <i>Integer</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_Create( a <i>Integer</i> , b <i>Integer</i> , c <i>Integer</i> , d <i>Integer</i> , e <i>Integer</i>  , f <i>Integer</i> , 
				g <i>Integer</i> , h <i>Integer</i> , i <i>Integer</i> , xoff <i>Integer</i> , yoff <i>Integer</i> , zoff <i>Integer</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix.
				<ul>
					<li>the first form (no arguments) will return an <b>Identity</b> matrix.</li>
					<li>the second and third forms will respectively return a fully initialized <b>2D</b> or <b>3D</b> Affine Transformation matrix.</li>
				</ul><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateTranslate</b></td>
				<td>ATM_CreateTranslate( tx <i>Double precision</i> , ty <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateTranslate( tx <i>Double precision</i> , ty <i>Double precision</i> , tz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>2D</b> or <b>3D Translate</b> transformation.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateScale</b></td>
				<td>ATM_CreateScale( sx <i>Double precision</i> , sy <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateScale( sx <i>Double precision</i> , sy <i>Double precision</i> , sz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>2D</b> or <b>3D Scale</b> transformation.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateRotate</b></td>
				<td>ATM_CreateRotate( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateZRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>Z axis</b>).<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_CreateXRoll</b></td>
				<td>ATM_CreateXRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>X axis</b>).<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_CreateYRoll</b></td>
				<td>ATM_CreateYRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>Y axis</b>).<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Multiply</b></td>
				<td>ATM_Multiply( matrixA <i>AffineMatrix</i> , matrixB <i>AffineMatrix</i> ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing the result of multiplying <b>matrixA</b> by <b>matrixB</b>.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Translate</b></td>
				<td>ATM_Translate( matrix <i>AffineMatrix</i> , tx <i>Double precision</i> , ty <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateTranslate( matrix <i>AffineMatrix</i> , tx <i>Double precision</i> , ty <i>Double precision</i> , tz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>2D</b> or <b>3D Translate</b> to a previous transformation matrix.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Scale</b></td>
				<td>ATM_Scale( matrix <i>AffineMatrix</i> , sx <i>Double precision</i> , sy <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_Scale( matrix <i>AffineMatrix</i> , sx <i>Double precision</i> , sy <i>Double precision</i> , sz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>2D</b> or <b>3D Scale</b> to a previous transformation matrix.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Rotate</b></td>
				<td>ATM_Rotate( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_ZRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>Z axis</b>) to a previous transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_XRoll</b></td>
				<td>ATM_XRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>X axis</b>) to a previous transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_YRoll</b></td>
				<td>ATM_YRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>Y axis</b>) to a previous transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Determinant</b></td>
				<td>ATM_Determinant( matrix <i>AffineMatrix</i> ] ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the Determinant from an Affine Transformation matrix.<hr>
				will return <b>0.0</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_IsInvertible</b></td>
				<td>ATM_IsInvertible( matrix <i>AffineMatrix</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return <b>1</b> if the Affine Transformation matrix can be inverted, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Invert</b></td>
				<td>ATM_Invert( matrix <i>AffineMatrix</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return an inverted Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_IsValid</b></td>
				<td>ATM_IsValid( matrix <i>AffineMatrix</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return <b>1</b> if the BLOB argument really contains a valid Affine Transformation matrix, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_AsText</b></td>
				<td>ATM_AsText( matrix <i>AffineMatrix</i> ] ) : <i>Text</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a serialized text string corresponding to an Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Transform</b></td>
				<td>ATM_Transform( geom <i>Geometry</i> , matrix <i>AffineMatrix</i> [ , newSRID <i>Integer</i> ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by applying an Affine Transformation; if the optional arg newSRID is defined then the returned Geometry will assume the corresponding 
				Reference System, otherwise it will preserve the same Reference System of the input Geometry.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>GCP_Compute</b></td>
				<td>GCP_Compute( pointA <i>Geometry</i> , pointB <i>Geometry</i> [ order <i>Integer</i>] ) : <i>PolynomialCoeffs</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return BLOB-encoded objects containing Polynomial coefficients computed from a set of matching <b>Ground Control Points</b> pairs.
				<ul>
					<li><b>pointA</b> corresponds to the origin Reference System; <b>pointB</b> corresponds to the destination target.</li>
					<li>the input Geometries must be of the <b>Point</b> type and must have the same dimensions</li>
					<li>if the points have <b>XYZ</b> or <b>XYZM</b> dimensions then <b>3D coeffs</b> will be returned, otherwise <b>2D</b> coeffs will be return.</li>
					<li>the optional <b>order</b> argument can assume the following values:
					<ul>
						<li><b>0</b>: a set of <b>2D coeffs</b> will be returned by applying the <b>Thin Plate Spline</b> method.</li>
						<li><b>1</b>: (<i>default setting</i>) a set of <b>2D</b> or <b>3D</b> Polynomial coeffs of the <b>1st order</b> will be returned.</li>
						<li><b>2</b>: a set of <b>2D</b> or <b>3D</b> Polynomial coeffs of the <b>2nd order</b> will be returned.</li>
						<li><b>3</b>: a set of <b>2D</b> or <b>3D</b> Polynomial coeffs of the <b>3rd order</b> will be returned.</li>
					</ul></li>
				</ul><hr>
				will return <b>NULL</b> on invalid arguments<hr>
				<u><b>aggreagate function</b></u></td></tr>
			<tr><td><b>GCP_IsValid</b></td>
				<td>GCP_IsValid( matrix <i>PolynomialCoeffs</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return <b>1</b> if the BLOB argument really contains valid Polynomial coeffs, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>GCP_AsText</b></td>
				<td>GCP_AsText( matrix <i>PolynomialCoeffs</i> ] ) : <i>Text</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return a serialized text string corresponding to the Polynomial coeffs.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>GCP2ATM</b></td>
				<td>GCP2ATM( matrix <i>PolynomialCoeffs</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return an Affine Transformation matrix corresponding to the Polynomial coeffs.<br>
				Only a set of Polynomial coeffs of the <b>1st order</b> can be converted to an Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>GCP_Transform</b></td>
				<td>GCP_Transform( geom <i>Geometry</i> , coeffs <i>PolynomialCoeffs</i> [ , newSRID <i>Integer</i> ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return a geometric object obtained by applying a Transformation based on Polynomial coefficients of the <b>1st</b>, <b>2nd</b> or <b>3rd order</b>; if the optional arg newSRID is defined then the returned Geometry will assume the corresponding 
				Reference System, otherwise it will preserve the same Reference System of the input Geometry.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE
<ul>
	<li>if the <i>optional</i> argument <b>transaction</b> is set to <b>TRUE</b> the whole operation will be handled as a single <i>Transaction</i> (faster): the default setting is <b>transaction=FALSE</b> (slower, but safer).</li>
	<li>if the <i>optional</i> argument <b>mode</b> is not specified then any possible ESPG SRID definition will be inserted into the <b>spatial_ref_sys</b> table.</li>
	<li>if the <b>mode</b> arg <b>'WGS84'</b> (alias <b>'WGS84_ONLY'</b>) is specified, then only WGS84-related EPSG SRIDs will be inserted</li>
	<li>if the <b>mode</b> arg <b>'NONE'</b> (alias <b>'EMPTY'</b>) is specified, no EPSG SRID will be inserted at all</li>
</ul></td></tr>
			<tr><td><b>InitSpatialMetaDataFull</b></td>
				<td>InitSpatialMetaDataFull( void ) : <i>Integer</i><hr>
					InitSpatialMetaDataFull( transaction <i>Integer</i> ) : <i>Integer</i><hr>
					InitSpatialMetaDataFull( mode <i>String</i> ) : <i>Integer</i><hr>
					InitSpatialMetaDataFull( transaction <i>Integer</i> , mode <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This one simply is a <i>convenience function</i> accepting the same arguments of <b>InitSpatialMetaData()</b> (with identical meaning).<br>
				The intended scope is to fully initialize all <i>metadata tables</i> required by <i>libspatialite 5.0.0</i> (and following versions).
				This function will internally call in a single pass:
				<ul>
					<li><i>InitSpatialMetaData()</i></li>
					<li><i>CreateRasterCoveragesTable()</i></li>
					<li><i>CreateVectorCoveragesTables()</i></li>
					<li><i>CreateStylingTables()</i></li>
				</ul>the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE</td></tr>
			<tr><td><b>InsertEpsgSrid</b></td>
				<td>InsertEpsgSrid( srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Attempts to insert into <b>spatial_ref_sys</b> the EPSG definition uniquely identified by <b>srid</b><br>
				[the corresponding EPSG SRID definition will be copied from the inlined dataset defined in <b>libspatialite</b>]<hr>
the return type is Integer, with a return value of 1 for success or 0 for failure</td></tr>
................................................................................
					<li>otherwise statistics will be updated only for Geometry Columns
						corresponding to the given table</li>
					</ul><hr>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE<hr>
				<u>Please note</u>: will effectively work only on behalf DB-files supporting the more recent metatables layout introduced 
				starting since version <b>4.x</b>; in any other case will always return an error and no action will happen.</td></tr>
		<tr><td><b>UpdateLayerStatistics</b></td>
				<td>UpdateLayerStatistics( void ) : <i>Integer</i><hr>
					UpdateLayerStatistics( table <i>String</i> [ , column <i>String</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Updates the internal Layer Statistics [Feature Count and Total Extent]<ul>
					<li>if no arguments are passed, then internal statistics will be updated 
						for any possible Geometry Column defined in the current DB</li>
					<li>otherwise statistics will be updated only for Geometry Columns
................................................................................
                                    if the Table/Layer only contains a single Geometry column passing the column name isn't strictly required.<br>
                                    The returned extent will be retrieved from the Statistics tables:<ul>
					<li>if the third argument <b>mode</b> is set to TRUEa <b>PESSIMISTIC</b>
                                            strategy will be applied, i.e. an attempt will be made in order to update the Statistics tables before returning the Envelope.</li>
					<li>otherwise the returned Envelope will simply reflect the current values stored into the Statics tables as they are (<b>OPTIMISTIC</b> strategy, adopted by default).</li>
					</ul><hr>
                                        NULL will be returned if any error occurs or if the required table isn't a Layer.</td></tr>














		<tr><td><b>CreateRasterCoveragesTable</b></td>
				<td>CreateRasterCoveragesTable( <i>void</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Creates the <b>raster_coverages</b> table required by <b>RasterLite-2</b><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure)</td></tr>
		<tr><td><b>CreateVectorCoveragesTables</b></td>
................................................................................
					<li>if the <i>optional</i> argument <b>relaxed</b> is explicitly set as <b>TRUE</b> then
					a <i>relaxed</i> version of the validating Triggers will be installed (not checking for strict <i><u>XSD schema validation</u></i>).</li>
					<li>if the <i>optional</i> argument <b>transaction</b> is explicitly set as <b>TRUE</b> then 
					the whole operation will be atomically confined within a monolithic SQL transaction</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.<hr>
<i>Please note</i>: will implicitly invoke <b>CreateRasterCoveragesTable()</b> and <b>CreateVectorCoveragesTables()</b> so to create the corresponding tables if not already defined.</td></tr>
		<tr><td><b>SE_RegisterVectorCoverage</b></td>
				<td>SE_RegisterVectorCoverage( coverage_name <i>String</i> , f_table_name <i>String</i> , f_geometry_column <i>String</i> ) : <i>Integer</i><hr>
					SE_RegisterVectorCoverage( coverage_name <i>String</i> , f_table_name <i>String</i> , f_geometry_column <i>String</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i><hr>
					SE_RegisterVectorCoverage( coverage_name <i>String</i> , f_table_name <i>String</i> , f_geometry_column <i>String</i> , title <i>String</i> , abstract <i>String </i> ,
					is_queryable <i>Boolen</i> , is_editable <i>Boolean</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing Spatial Table.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>f_table_name</b> and <b>f_geometry_column</b> are expected to match the corresponding entries in the <i>geometry_columns</i> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually be specified for better human readability.</li>
					<li>if both optional arguments <b>is_queryable</b> and <b>is_editable</b> are left unspecified the Vector Coverage will then be neither queryable nor editable.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterSpatialViewCoverage</b></td>
				<td>SE_RegisterSpatialViewCoverage( coverage_name <i>String</i> , view_name <i>String</i> , view_geometry <i>String</i> ) : <i>Integer</i><hr>
					SE_RegisterSpatialViewCoverage( coverage_name <i>String</i> , view_name <i>String</i> , view_geometry <i>String</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i><hr>
					SE_RegisterSpatialViewCoverage( coverage_name <i>String</i> , view_name <i>String</i> , view_geometry <i>String</i> , title <i>String</i> , abstract <i>String </i> ,
					is_queryable <i>Boolen</i> , is_editable <i>Boolean</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing Spatial View.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>view_name</b> and <b>view_geometry</b> are expected to match the corresponding entries in the <i>views_geometry_columns</i> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually be specified for better human readability.</li>
					<li>if both optional arguments <b>is_queryable</b> and <b>is_editable</b> are left unspecified the Vector Coverage will then be neither queryable nor editable.</li>
					<li><b>Note</b>: a Spatial View Coverage declared to be editable will not fully support editing operations if the underlying Spatial View is of the <b>read-only</b> type (read-only=<b>1</b>).</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVirtualShapeCoverage</b></td>
				<td>SE_RegisterVirtualShapeCoverage( coverage_name <i>String</i> , virt_name <i>String</i> , virt_geometry <i>String</i> ) : <i>Integer</i><hr>
					SE_RegisterVirtualShapeCoverage( coverage_name <i>String</i> , virt_name <i>String</i> , virt_geometry <i>String</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i><hr>
					SE_RegisterVirtualShapeCoverage( coverage_name <i>String</i> , virt_name <i>String</i> , virt_geometry <i>String</i> , title <i>String</i> , abstract <i>String </i> ,
					is_queryable <i>Boolen</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing VirtualShape Table.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>virt_name</b> and <b>virt_geometry</b> are expected to match the corresponding entries in the <i>virts_geometry_columns</i> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually be specified for better human readability.</li>
					<li>if the optional argument <b>is_queryable</b> is left unspecified tjem the Vector Coverage will not be queryable.</li>
					<li><b>Note</b>: VirtualShape Coverages are always not editable.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterTopoGeoCoverage</b></td>
				<td>SE_RegisterTopoGeoCoverage( coverage_name <i>String</i> , topology_name <i>String</i> ) : <i>Integer</i><hr>
					SE_RegisterTopoGeoCoverage( coverage_name <i>String</i> , topology_name <i>String</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i><hr>
					SE_RegisterTopoGeoCoverage( coverage_name <i>String</i> , topology_name <i>String</i> , title <i>String</i> , abstract <i>String </i> ,
					is_queryable <i>Boolen</i> , is_editable <i>Boolean</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing Topology-Geometry.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>topogeo_name</b> is expected to match the corresponding entries in the <i>topologies</i> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually be specified for better human readability.</li>
					<li>if both optional arguments <b>is_queryable</b> and <b>is_editable</b> are left unspecified the Vector Coverage will then be neither queryable nor editable.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterTopoNetCoverage</b></td>
				<td>SE_RegisterTopoNetCoverage( coverage_name <i>String</i> , network_name <i>String</i> ) : <i>Integer</i><hr>
					SE_RegisterTopoNetCoverage( coverage_name <i>String</i> , network_name <i>String</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i><hr>
					SE_RegisterTopoNetCoverage( coverage_name <i>String</i> , network_name <i>String</i> , title <i>String</i> , abstract <i>String </i> ,
					is_queryable <i>Boolen</i> , is_editable <i>Boolean</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing Topology-Network.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>toponet_name</b> is expected to match the corresponding entries in the <i>networks</i> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually be specified for better human readability.</li>
					<li>if both optional arguments <b>is_queryable</b> and <b>is_editable</b> are left unspecified the Vector Coverage will then be neither queryable nor editable.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorCoverage</b></td>
				<td>SE_UnregisterVectorCoverage( coverage_name <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
				<td>Completely removes an already defined <b>Vector Coverage</b> this including any furher depency; the underlying Spatial Table will be absolutely unaffected.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_SetVectorCoverageInfos</b></td>
				<td>SE_SetVectorCoverageInfos( coverage_name <i>String</i> , title <i>String</i> , abstract <i>String</i> ) : <i>Integer</i><hr>
				    SE_SetVectorCoverageInfos( coverage_name <i>String</i> , title <i>String</i> , abstract <i>String</i> , is_queryable <i>Boolen</i> , is_editable <i>Boolean</i> ): <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates the descriptive infos associated to a <b>Vector Coverage</b>.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>title</b> and <b>abstract</b> represent the descriptive infos to be set.</li>
					<li>the optional arguments <b>is_queryable</b> and <b>is_editable</b> can be explicitly set so to determine if the Vector Coverage is queryable and/or editable.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_SetVectorCoverageCopyright</b></td>
				<td>SE_SetVectorCoverageCopyright( coverage_name <i>String</i> , copyright <i>String</i> ) : <i>Integer</i><hr>
				    SE_SetVectorCoverageCopyright( coverage_name <i>String</i> , copyright <i>String</i> , license <i>String</i> ): <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates Copyright and License infos associated to a <b>Vector Coverage</b>.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>copyright</b> identifies the Copyright holder; if <b>NULL</b> the current value will be preserved.</li>
					<li>the optional argument <b>license</b> must reference one the Data Licenses registered into the <b>data_licenses</b> table, as e.g. <i>CC0 1.0</i> or <i>CC BY 4.0</i>.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVectorCoverageSrid</b></td>
				<td>SE_RegisterVectorCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds an alternative <b>SRID</b> to an already defined Vector Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>srid</b> is expected to match the corresponding entries in the <b>spatial_ref_sys</b> table.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorCoverageSrid</b></td>
				<td>SE_UnregisterVectorCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
					<li>if the optional <b>coverage_name</b> argument is set then only that single Vector Coverage will be updated; 
					otherwise all registered Vector Coverages will be processed in a single pass (may require a long time).</li>
					<li>if the optional <b>transaction</b> argument is set to <b>TRUE</b> then the whole operation will be internally
					handled as a single SQL Transaction.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVectorCoverageKeyword</b></td>
				<td>SE_RegisterVectorCoverageeKeyword( coverage_name <i>String</i> , keyword <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds a <b>keyword</b> to an already defined Vector Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>keyword</b> must not be already defined for the same Coverage.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorCoverageKeyword</b></td>
				<td>SE_UnregisterVectorCoverageKeyword( coverage_name <i>String</i> , keyword <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already defined <b>keyword</b> from a Vector Coverage.
				<ul>
					<li><b>coverage_name</b> and <b>keyword</b> must identify some previously defined keyword.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterExternalGraphic</b></td>
				<td>SE_RegisterExternalGraphic( xlink_href <i>String</i> , resource <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_RegisterExternalGraphic( xlink_href <i>String</i> , resource <i>BLOB</i> , title <i>String</i> , abstract <i>String</i> , file_name <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Inserts (or updates) an <b>External Graphic Resource</b>.
				<ul>
					<li><b>xlink_href</b> uniquely identifies each Resource (<i>Primary Key</i>).</li>
					<li><b>resource</b> is expected to be a BLOB containing an <i>image/gif</i>, <i>image/png</i>, <i>image/jpeg</i> or <i>image/svg+xml</i> payload.</li>
					<li>the optional arguments <b>title</b>, <b>abstract</b> and <b>file_name</b> could be eventually be specified for better human readability.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterExternalGraphic</b></td>
				<td>SE_UnregisterExternalGraphic( xlink_href <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorStyle</b></td>
				<td>SE_UnregisterVectorStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterVectorStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Vector Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>VectorStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>VectorStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadVectorStyle</b></td>
				<td>SE_ReloadVectorStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadVectorStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Vector Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD/SE Style of the Vector type.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVectorStyledLayer</b></td>
				<td>SE_RegisterVectorStyledLayer( coverage_name <i>String</i> , style_id <i>Integer</i> ) : <i>Integer</i><hr>
					SE_RegisterVectorStyledLayer( coverage_name <i>String</i> , style_name <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterRasterStyle</b></td>
				<td>SE_UnregisterRasterStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterRasterStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Raster Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>RasterStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>RasterStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadRasterStyle</b></td>
				<td>SE_ReloadRasterStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadRasterStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Raster Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD/SE Style of the Raster type.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterRasterStyledLayer</b></td>
				<td>SE_RegisterRasterStyledLayer( coverage_name <i>String</i> , style_id <i>Integer</i>  ) : <i>Integer</i><hr>
					SE_RegisterRasterStyledLayer( coverage_name <i>String</i> , style_name <i>Text</i>  ) : <i>Integer</i></td>
				<td></td>
................................................................................
		<tr><td><b>SE_RegisterRasterCoverageSrid</b></td>
				<td>SE_RegisterRasterCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds an alternative <b>SRID</b> to an already defined Raster Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Raster Coverage.</li>
					<li><b>srid</b> is expected to match the corresponding entries in the <b>spatial_ref_sys</b> table.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterRasterCoverageSrid</b></td>
				<td>SE_UnregisterRasterCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
				<td>Updates the <b>Extent</b> boundary supporting a Raster Coverage, this including any eventually defined alternative SRID.
				<ul>
					<li>if the optional <b>coverage_name</b> argument is set then only that single Raster Coverage will be updated; 
					otherwise all registered Raster Coverages will be processed in a single pass (may require a long time).</li>
					<li>if the optional <b>transaction</b> argument is set to <b>TRUE</b> then the whole operation will be internally
					handled as a single SQL Transaction.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterRasterCoverageKeyword</b></td>
				<td>SE_RegisterRasterCoverageKeyword( coverage_name <i>String</i> , keyword <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds a <b>keyword</b> to an already defined Raster Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Raster Coverage.</li>
					<li><b>keyword</b> must not be already defined for the same Coverage.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterRasterCoverageKeyword</b></td>
				<td>SE_UnregisterRasterCoverageKeyword( coverage_name <i>String</i> , keyword <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already defined <b>keyword</b> from a Raster Coverage.
				<ul>
					<li><b>coverage_name</b> and <b>keyword</b> must identify some previously defined keyword.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_SetStyledGroupInfos</b></td>
				<td>SE_SetStyledGroupInfos( group_name <i>String</i> , title <i>String</i> , abstract <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Inserts (or updates) the descriptive infos associated to a <b>Styled Group</b>.
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its unique <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterGroupStyle</b></td>
				<td>SE_UnregisterGroupStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterGroupStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Group Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>RasterStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>RasterStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadGroupStyle</b></td>
				<td>SE_ReloadGroupStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadGroupStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Group Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD complex Style.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterStyledGroupStyle</b></td>
				<td>SE_RegisterStyledGroupStyle( group_name <i>String</i> , style_id <i>Integer</i> ) : <i>Integer</i><hr>
					SE_RegisterStyledGroupStyle( group_name <i>String</i> , style_name <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
................................................................................
				<h3><a name="p16fdo">SQL functions implementing FDO/OGR compatibility</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CheckSpatialMetaData</b></td>
				<td>CheckSpatialMetaData( void ) : <i>Integer</i><hr>
				    CheckSpatialMetaData( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Checks the Spatial Metadata type, then returning:<ul>
				<li><b>-1</b> - on invalid args or if no ATTACHED-DB identified by <b>db_prefix</b> exists.</li>
				<li><b>0</b> - if the <b>geometry_columns</b> or <b>spatial_ref_sys</b> table does not exists, or if their actual layout doesn't corresponds to any known implementation</li>
				<li><b>1</b> - if both tables exist, and their layout is the one previously used by <b>SpatiaLite legacy</b> (<i>older versions including 3.1.0 any earlier</i>)</li>
				<li><b>2</b> - if both tables exist, and their layout is the one used by <b>FDO/OGR</b></li>
				<li><b>3</b> - if both tables exist, and their layout is the one currently used by <b>SpatiaLite</b> (<i>4.0.0 or any subsequent version</i>)</li>
				<li><b>4</b> - if the DB layout is the one defined by the <b>OGC GPKG</b> specification (<i>GeoPackage</i>)</li>
				</ul><hr>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be checked; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.</td></tr>
			<tr><td><b>AutoFDOStart</b></td>
				<td>AutoFDOStart( void ) : <i>Integer</i><hr>
				    AutoFDOStart( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the Spatial Metadata, then automatically creating/refreshing a <b>VirtualFDO</b>
				wrapper for each FDO/OGR geometry table<hr>
				the return type is Integer [how many VirtualFDO tables have been created]<hr>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be targeted; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.</td></tr>
			<tr><td><b>AutoFDOStop</b></td>
				<td>AutoFDOStop( void ) : <i>Integer</i><hr>
				    AutoFDOStop( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the Spatial Metadata, then automatically destroying any <b>VirtualFDO</b>
				wrapper found<hr>
				the return type is Integer [how many VirtualFDO tables have been destroyed]<hr>
				the return type is Integer [how many VirtualFDO tables have been created]<hr>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be targeted; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.</td></tr>
			<tr><td><b>InitFDOSpatialMetaData</b></td>
				<td>InitFDOSpatialMetaData( void ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Creates the <b>geometry_columns</b> and <b>spatial_ref_sys</b> metadata tables<br>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE<hr>
<u>Please note:</u> Spatial Metadata created using this function will have the FDO/OGR layout, and not the standard SpatiaLite layout</td></tr>
................................................................................
				<li><b>3</b> <i>POLYGON</i></li>
				<li><b>4</b> <i>MULTIPOINT</i></li>
				<li><b>5</b> <i>MULTILINESTRING</i></li>
				<li><b>6</b> <i>MULTIPOLYGON</i></li>
				<li><b>7</b> <i>GEOMETRYCOLLECTION</i></li>
				</ul><b>dimension</b> may be <b>2</b>, <b>3</b> or <b>4</b>, accordingly to OGR/FDO specs<br>
				<b>geometry_format</b> has to be one of the followings:<ul>
				<li>'WKB'</li>
				<li>'WKT'</li>
				<li>'FGF'</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE</td></tr>
			<tr><td><b>RecoverFDOGeometryColumn</b></td>
				<td>RecoverFDOGeometryColumn( table <i>String</i> , column <i>String</i> , srid <i>Integer</i> ,
geom_type <i>String</i> , dimension <i>Integer</i>, geometry_format <i>String</i> ) : <i>Integer</i></td>
................................................................................
				<h3><a name="p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CheckGeoPackageMetaData</b></td>
				<td>CheckGeoPackageMetaData( void ) : <i>Integer</i><hr>
				    CheckGeoPackageMetaData ( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the DB layout checking if it corresponds to the GPKG own style.<br>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be checked; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.<hr>
the return type is Integer, with a return value of 1 for TRUE, 0 for FALSE and -1 on invalid args or if no ATTACHED-DB identified by <b>db_prefix</b> exists.</td></tr>
			<tr><td><b>AutoGPKGStart</b></td>
				<td>AutoGPKGStart( void ) : <i>Integer</i><hr>
				    AutoGPKGStart( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will inspect the DB layout, then automatically creating/refreshing a <b>VirtualGPKG</b>
				wrapper for each GPKG geometry table<hr>
				the return type is Integer [how many VirtualGPKG tables have been created]<hr>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be targeted; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.</td></tr>
			<tr><td><b>AutoGPKGStop</b></td>
				<td>AutoGPKGStop( void ) : <i>Integer</i><hr>
				    AutoGPKGStop( db_prefix <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will inspect the DB layout, then automatically destroying any <b>VirtualGPKG</b>
				wrapper found<hr>
				the return type is Integer [how many VirtualGPKG tables have been destroyed]<hr>
				The optional <b>db_prefix</b> argument specifies which one of the ATTACHED databases is intended to be targeted; if unspecified or <b>NULL</b> then 
				the <b>MAIN</b> database will be assumed by default.</td></tr>
			<tr><td><b>gpkgCreateBaseTables</b></td>
				<td>gpkgCreateBaseTables( void ) : <i>void</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will create base tables for an "empty" GeoPackage<hr>
returns nothing on success, raises exception on error</td></tr>
			<tr><td><b>gpkgInsertEpsgSRID</b></td>
................................................................................
				<li><b>"jpeg"</b> for JPEG</li>
				<li><b>"tiff"</b> for TIFF</li>
				<li><b>"x-webp"</b> for WebP</li>
				</ul>
				These are the mime type for the image format (without the "image/" prefix).<hr>
				This function raises exception on error (e.g. wrong argument type).</td></tr>
			<tr><td><b>gpkgAddGeometryColumn</b></td>
				<td>gpkgAddGeomtryColumn( table_name <i>String</i>, geometry_column_name <i>String</i> , geometry_type <i>String</i> , 
					with_z <i>Integer</i> , with_m <i>Integer</i> , srs_id <i>Integer</i> ) : <i>void</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>Adds a geometry column to the specified table:
				<ul>
					<li><b>geometry_type</b> is a normal WKT name:
						<ul>
................................................................................
                                If the input XmlBLOB is already uncompressed this one is a harmless no-op.<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object).</td></tr>
			<tr><td><b>XB_IsValid</b></td>
				<td>XB_IsValid( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsCompressed</b></td>
				<td>XB_IsCompressed( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsSchemaValidated</b></td>
				<td>XB_IsSchemaValidated( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsIsoMetadata</b></td>
				<td>XB_IsIsoMetadata( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsSldSeVectorStyle</b></td>
				<td>XB_IsSldSeVectorStyle( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsSldSeRasterStyle</b></td>
				<td>XB_IsSldSeRasterStyle( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsSvg</b></td>
				<td>XB_IsSvg( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_IsGpx</b></td>
				<td>XB_IsGpx( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_GetDocumentSize</b></td>
				<td>XB_GetDocumentSize( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the size in bytes of the corresponding uncompressed XmlDocument.<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object).</td></tr>
			<tr><td><b>XB_GetEncoding</b></td>
................................................................................
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object), or when no Abstract is defined.<hr>Supported only on ISO Metadata and SLD/SE Styles.</td></tr>
			<tr><td><b>XB_GetGeometry</b></td>
				<td>XB_GetGeometry( xmlObject <i>XmlBLOB</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the Geometry (Bounding Box) defined within the XmlBLOB (if any).<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object), or when no Bounding Box is defined.<hr>Supported only on ISO Metadata XML Documents.</td></tr>
			<tr><td><b>XB_MLineFromGPX</b></td>
				<td>XB_MLineFromGPX( xmlObject <i>XmlBLOB</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return a Geometry of the <b>MULTILINESTRING XYZM</b> type by parsing an XmlBLOB corresponding to a GPX document.<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object), or when a valid XmlBLOB does not contains a GPX document, or when a valid GPX
				does not contains any <b>&lt;trk&gt;</b> tag.</td></tr>
			<tr><td><b>XB_GetLastParseError</b></td>
				<td>XB_GetLastParseError( <i>void</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the most recent XML parsing error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending parsing error.</td></tr>
			<tr><td><b>XB_GetLastValidateError</b></td>
................................................................................
				<td>Will return the most recent XML validating error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending validating error.</td></tr>
			<tr><td><b>XB_IsValidXPathExpression</b></td>
				<td>XB_IsValidXPathExpression( expr <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					when called with a NULL argument.</td></tr>
			<tr><td><b>XB_GetLastXPathError</b></td>
				<td>XB_GetLastXPathError( <i>void</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the most recent XPath error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending XPath error.</td></tr>
			<tr><td><b>XB_CacheFlush</b></td>
................................................................................
				<h3><a name="srid">SQL functions supporting SRID inspection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>SridIsGeographic</b></td>
				<td>SridIsGeographic( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Geographic</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridIsProjected</b></td>
				<td>SridIsProjected( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Projected</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridHasFlippedAxes</b></td>
				<td>SridHasFlippedAxes( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID requires a flipped Axes configuration: i.e. <b>Y,X</b> instead of the most usual <b>X,Y</b>;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetSpheroid</b></td>
				<td>SridGetSpheroid( SRID <i>Integer</i> ) : <i>Text</i><hr>
					SridGetEllipsoid( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Spheroid</b> name.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetPrimeMeridian</b></td>
................................................................................
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Name</b> for its <b>second</b> axis.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetAxis_2_Orientation</b></td>
				<td>SridGetAxis_2_Orientation( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Orientation</b> for its <b>second</b> axis.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="topology">SQL functions supporting Topology-Geometry</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">ISO 13249-3<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>GetLastTopologyException</b></td>
				<td>GetLastTopologyException( toponame <i>Text</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return the most recent exception raised by this Topo-Geo, or <b>NULL</b> if no exception is currently pending.</td></tr>
			<tr><td><b>CreateTopoTables</b></td>
				<td>CreateTopoTables( ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create both <b>topologies</b> and <b>networks</b> meta-tables.<hr>
					Will return <i>1</i> on success) or <i>0</i> on failure (including already existing tables).</td></tr>
			<tr><td><b>InitTopoGeo</b></td>
				<td>ST_InitTopoGeo( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">This SQL function is explicitly required by <b>ISO 13249-3</b>, anyway it's simply implemented as an <i>alias-name</i> for <b>CreateTopology ( toponame )</b>.<hr>
					Will return <i>1</i> on success) or <i>0</i> on failure: <i>-1</i> will be returned on invalid arguments.</td></tr>
			<tr><td><b>CreateTopology</b></td>
				<td>CreateTopology( toponame <i>Text</i> ) : <i>Integer</i><hr>
				    CreateTopology( toponame <i>Text</i> , srid <i>Integer</i> ) : <i>Integer</i><hr>
				    CreateTopology( toponame <i>Text</i> , srid <i>Integer</i>  , has_z <i>Boolean</i> ) : <i>Integer</i><hr>
				    CreateTopology( toponame <i>Text</i> , srid <i>Integer</i>  , has_z <i>Boolean</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create all DBMS objects (tables, triggers, indices and alike) required in order to store a separate Topo-Geo.
				<ul>
					<li><i>toponame</i>: the individual unique name of this Topo-Geo: all subordinated tables will use it as a prefix.</li>
					<li><i>srid</i>: the Spatial Reference System supporting this Topo-Geo (<b>-1</b> by default).</li>
					<li><i>has_z</i>: if set to <b>TRUE</b> this Topo-Geo will support <b>3D - XYZ</b> coordinates (<b>FALSE</b> by default).</li>
					<li><i>tolerence</i>: the standard tolerance to be applied to this Topo-Geo. (<b>0.0</b> by default, i.e. no tolerance at all).</li>
				</ul>
					Will return <i>1</i> on success), <i>0</i> on failure, <i>-1</i> on invalid args: an exception will be raised while passing a <i>negative</i> tolerance value.</td></tr>
			<tr><td><b>DropTopology</b></td>
				<td>DropTopology( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Completely removes a Topo-Geo (and all data it contains) from the DBMS: to be invoked very cautiously and only if you are absolutely sure of what you are doing.<hr>
					Will return <i>1</i> on success) or <i>0</i> on failure: <i>-1</i> will be returned on invalid arguments.</td></tr>
			<tr><td><b>AddIsoNode</b></td>
				<td>ST_AddIsoNode( toponame <i>Text</i> , face-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new isolated Node; <i>face-id</i> is expected to exactly match the ID of the Face containing <i>point</i>; by passing a 
					<b>NULL face-id</b> the function itself will take care to identify the appropriate Face.<hr>
					Will return the <b>ID</b> of the inserted Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>MoveIsoNode</b></td>
				<td>ST_MoveIsoNode( toponame <i>Text</i> , node-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will move an isolated Node from a point to another.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemIsoNode</b></td>
				<td>ST_RemIsoNode( toponame <i>Text</i> , node-id <i>Integer</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove an isolated Node.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>AddIsoEdge</b></td>
				<td>ST_AddIsoEdge( toponame <i>Text</i> , startnode-id <i>Integer</i> , endnode-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new isolated Edge connecting two isolated Nodes.<hr>
					Will return the <b>ID</b> of the inserted Edge on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ChangeEdgeGeom</b></td>
				<td>ST_ChangeEdgeGeom( toponame <i>Text</i> , edge-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will change the geometry of an Edge without affecting Topology relationships.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemIsoEdge</b></td>
				<td>ST_RemIsoEdge( toponame <i>Text</i> , edge-id <i>Integer</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove an isolated Edge.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>NewEdgesSplit</b></td>
				<td>ST_NewEdgesSplit( toponame <i>Text</i> , edge-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split an Edge by creating a new intermediate Node. The original Edge will be deleted and will be replaced by two new Edges.<hr>
					Will return the <b>ID</b> of the inserted Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ModEdgeSplit</b></td>
				<td>ST_ModEdgeSplit( toponame <i>Text</i> , edge-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split an Edge by creating a new intermediate Node. The original Edge will be modified and a new Edge will be inserted.<hr>
					Will return the <b>ID</b> of the inserted Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>NewEdgeHeal</b></td>
				<td>ST_NewEdgeHeal( toponame <i>Text</i> , edge1-id <i>Integer</i> , edge2-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will heal two Edges by deleting the Node connecting them. Both the original Edges will be deleted and will be replaced by
					a new Edge preserving the same orientation of the first Edge provided.<hr>
					Will return the <b>ID</b> of the removed Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ModEdgeHeal</b></td>
				<td>ST_ModEdgeHeal( toponame <i>Text</i> , edge1-id <i>Integer</i> , edge2-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will heal two Edges by deleting the Node connecting them. The first Edge provided will be modified and the second deleted.<hr>
					Will return the <b>ID</b> of the removed Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>AddEdgeNewFaces</b></td>
				<td>ST_AddEdgeNewFaces( toponame <i>Text</i> , startnode-id <i>Integer</i> , endnode-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new Edge connecting two Nodes. If this new Edge splits a Face the original Face will be deleted and replaced by two new Faces.<hr>
					Will return the <b>ID</b> of the inserted Edge on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>AddEdgeModFace</b></td>
				<td>ST_AddEdgeModFace( toponame <i>Text</i> , startnode-id <i>Integer</i> , endnode-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new Edge connecting two Nodes. If this new Edge splits a Face the original Face will be modified and a new Face will be inserted.<hr>
					Will return the <b>ID</b> of the inserted Edge on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemEdgeNewFace</b></td>
				<td>ST_RemEdgeNewFace( toponame <i>Text</i> , edge-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove an Edge. If the removed Edge separated two Faces the original Faces will be deleted and replaced by a new Face.<hr>
					Will return the <b>ID</b> of the inserted Face on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemEdgeModFace</b></td>
				<td>ST_RemEdgeModFace( toponame <i>Text</i> , edge-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove an Edge. If the removed Edge separated two Faces one of then will be modified and the other deleted.<hr>
					Will return the <b>ID</b> of the surviving Face on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>GetFaceGeometry</b></td>
				<td>ST_GetFaceGeometry( toponame <i>Text</i> , face-id <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return the exact Geometry of a Face.<hr>
					Will return a <b>Polygon</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>GetFaceEdges</b></td>
				<td>ST_GetFaceEdges( toponame <i>Text</i> , face-id <i>Integer</i> ) : <i>DB-table</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will update a DB-Table containing the ordered list of all Edges delimiting the given Face. 
					The orientation will always be counterclockwise, and all Edges traversed in the opposite direction (i.e. from <u>end</u> to <u>start</u>) will be marked by a <b>negative sign</b>.<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ValidateTopoGeo</b></td>
				<td>ST_ValidateTopoGeo( toponame <i>Text</i> ) : <i>DB-table</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a DB-Table containing a validation report for the given TopoGeo: if the output table is empty and no exception was raised
					the Topology is assumed to be fully valid, otherwise a row will be inserted into the table for each detected Topology invalidity.<br>
					If the destination table already exists it will be dropped and created yet again.<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>CreateTopoGeo</b></td>
				<td>ST_CreateTopoGeo( toponame <i>Text</i> , geometry <i>BLOB</i> )</td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will populate a full Topology by importing a collection of arbitrary Geometries.<br>
					The destination Topology must already exists and must be empty; both SRID and dimensions of input Geometries must match SRID and dimensions declared by Topology.<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>GetNodeByPoint</b></td>
				<td>GetNodeByPoint( toponame <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i><hr>
				    GetNodeByPoint( toponame <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to find the ID of a Node located at Point.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return the ID of the Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>GetEdgeByPoint</b></td>
				<td>GetEdgeByPoint( toponame <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i><hr>
				    GetEdgeByPoint( toponame <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to find the ID of an Edge intersecting the given Point.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return the ID of the Edge on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>GetFaceByPoint</b></td>
				<td>GetFaceByPoint( toponame <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i><hr>
				    GetFaceByPoint( toponame <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to find the ID of a Face intersecting the given Point.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return the ID of the Face on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_AddPoint</b></td>
				<td>TopoGeo_AddPoint( toponame <i>Text</i> , point <i>Geometry</i> ) : <i>Text</i><hr>
				    TopoGeo_AddPoint( toponame <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to add a <b>Point</b> (or even a <b>MultiPoint</b>) to an already existing Topology, possibly splitting existing Edges.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return a comma separated list of all IDs of corresponding Nodes on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_AddLineString</b></td>
				<td>TopoGeo_AddLineString( toponame <i>Text</i> , linestring <i>Geometry</i> ) : <i>Integer</i><hr>
				    TopoGeo_AddLineString( toponame <i>Text</i> , linestring <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to add a <b>Linestring</b> (or even a <b>MultiLinestring</b>) to an already existing Topology, possibly splitting existing Edges/Faces.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return a comma separated list of all IDs of the corresponding Edges on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_AddLineStringNoFace</b></td>
				<td>TopoGeo_AddLineStringNoFace( toponame <i>Text</i> , linestring <i>Geometry</i> ) : <i>Integer</i><hr>
				    TopoGeo_AddLineStringNoFace( toponame <i>Text</i> , linestring <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Very similar to <b>TopoGeo_AddLinestring</b> except for a very critical difference.
				This function is strongly optimized for maximum speed, and will just update Nodes and Edges purposely ignoring Faces.<br>
				Consequently it will always leave the target Topology in an <i>inconsistent state</i>; only after executing <b>TopoGeo_Polygonize()</b> all Faces will be
				properly restored and the target Topology will finally resume a consistent state.
				    <ul><li>The optional argument <b>tolerance</b> if omitted will assume the corresponding value declared when creating the target Topology.</li></ul><hr>
					Will return a comma separated list of all IDs of the corresponding Edges on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_TopoSnap</b></td>
				<td>TopoGeo_TopoSnap( toponame <i>Text</i> , input <i>Geometry</i> , iterate <i>Integer</i> ) : <i>Geometry</i><hr>
				    TopoGeo_TopoSnap( toponame <i>Text</i> , input <i>Geometry</i> , tolerance_snap <i>Double precision</i>  , tolerance_removal <i>Double precision</i> , iterate <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to snap (i.e. renode) the <i>input</i> Geometry (any type) against the Topology identified by <i>toponame</i>.
					<ul>
						<li>the arguments <b>iterate</b> is intended to be Boolean (<b>0</b> = <b>FALSE</b>, any other value = <b>TRUE</b>);
						    when set to <b>TRUE</b> the input Geometry will be iteratively processed until no more snaps are found.</li>
						<li>The optional argument <b>tolerance_snap</b> if omitted will assume the corresponding value declared when creating the target Topology.</li>
						<li>The optional argument <b>tolerance_removal</b> if omitted (or set to <b>NULL</b>) will suppress the removal phase.</li>
					</ul><hr>
					Will return a snapped Geometry on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_SnappedGeoTable</b></td>
				<td>TopoGeo_SnappedGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , output-table <i>Text</i> ,
				    iterate <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_SnappedGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , output-table <i>Text</i> ,
				    tolerance_snap <i>Double precision</i> , tolerance_removal <i>Double precision</i> , iterate <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to create and populate an <i>output-table</i> by snapping against the Topology identified by <i>toponame</i> all Geometries 
				    from an input GeoTable identified by <i>db-prefix</i>, <i>table-name</i> and <i>column-name</i>.
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the input GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the input GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.</li>
						<li>argument <b>iterate</b>, <b>tolerance_snap</b> and <b>tolerance_removal</b> will be interpreted exactly in the same way adopted by <b>TopoGeo_TopoSnap()</b>.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_SubdivideLines</b></td>
				<td>TopoGeo_SubdivideLines( input <i>Geometry</i> , line_max_points <i>Integer</i> ) : <i>MultiLinestring</i><hr>
				    TopoGeo_SubdivideLines( input <i>Geometry</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> ) : <i>MultiLinestring</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to split a <b>Linestring</b> (or even a <b>MultiLinestring</b>) into a collection 
					of shorter LineStrings fully respecting Topology consistency.
					<ul>
						<li>if argument <i>line_max_points</i> is set to a <u>positive</u> value (<b>&gt;= 2</b>) then all input Linestrings will be split into many
						shorter lines having no more than the required number of points.</li>
						<li>if argument <i>line_max_length</i> is set to a <u>positive</u> value, in units of the SRID, then a separate output line will be split every time
						that it becomes longer than the allowed limit.</li>
						<li>either <i>line_max_point</i> and <i>line_max_length</i> can assume a <b>NULL</b> value, this intending <u>ignore</u>.</li>
						<li>if both <i>line_max_point</i> and <i>line_max_length</i> are active at the same time then the first limit encountered will apply.</li>
						<li>in any other case all input Linestrings will be simply copied into the output collection exactly as they are.</li>
					</ul><hr>
					Will return a <b>MultiLinestring</b> Geometry on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_FromGeoTable</b></td>
				<td>TopoGeo_FromGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> , 
				    line_max_length <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> , 
				    line_max_length <i>Double precision</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to import all Geometries from an input GeoTable identified by <i>db-prefix</i>, <i>table-name</i> and <i>column-name</i> into an already existing Topology-Geometry.
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the input GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the input GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.</li>
						<li>The optional arguments <i>line_max_points</i> and <i>line_max_length</i> will be interpreted in the same way adopted by <b>TopoGeo_SubdivideLines()</b> 
						(default for both: <b>NULL</b>, this meaning <u>ignore</u>).</li>
				        <li>The optional argument <i>tolerance</i> if omitted will assume the corresponding value declared when creating the target Topology.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_FromGeoTableNoFace</b></td>
				<td>TopoGeo_FromGeoTableNoFace( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFace( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFace( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> , 
				    line_max_length <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFace( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , line_max_points <i>Integer</i> , 
				    line_max_length <i>Double precision</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Very similar to <b>TopoGeo_FromGeoTable</b> except for a very critical difference.
				This function is strongly optimized for maximum speed, and will just update Nodes and Edges purposely ignoring Faces.<br>
				Consequently it will always leave the target Topology in an <i>inconsistent state</i>; only after executing <b>TopoGeo_Polygonize()</b> all Faces will be
				properly restored and the target Topology will finally resume a consistent state.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_FromGeoTableExt</b></td>
				<td>TopoGeo_FromGeoTableExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to import all Geometries from an input GeoTable identified by <i>db-prefix</i>, <i>table-name</i> and <i>column-name</i> into an already existing Topology-Geometry.
				    When some Topology expection is encounterd this function will never stop: the Primary Key corresponding to the failing feature will be saved into the <i>dustbin-table</i>,
				    and the loading process will restart from the next feature until all input features will be consumed. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the input GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the input GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>the input GeoTable is absolutely required to declare a <b>Primary Key</b>.</li>
						<li>this function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.</li>
						<li><i>dustbin-table</i> is the name of the table intended to store PK values corresponding to features failing to be imported; this table should not already exist
						and will be automatically created by the function itself.</li>
						<li><i>dustbin-view</i> is the name of the Spatial View supporting the above table; this view should not already exist
						and will be automatically created by the function itself.<br>
						<u>Note</u>: both the <i>dustbin-table</i> and the <i>dustbin-view</i> will be always created on the same DB containing the input GeoTable.</li>
						<li>The optional arguments <i>line_max_points</i> and <i>line_max_length</i> will be interpreted in the same way adopted by <b>TopoGeo_SubdivideLines()</b> 
						(default for both: <b>NULL</b>, this meaning <u>ignore</u>).</li>
				        <li>The optional argument <i>tolerance</i> if omitted will assume the corresponding value declared when creating the target Topology.</li>
					</ul><hr>
					Will return <b>0</b> on full success or a <b>positive</b> integer corresponding to the total count of failing features referenced by the <i>dustbin</i> table.<br>
					An exception will be raised only on wrong arguments.</td></tr>
			<tr><td><b>TopoGeo_FromGeoTableNoFaceExt</b></td>
				<td>TopoGeo_FromGeoTableNoFaceExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFaceExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFaceExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_FromGeoTableNoFaceExt( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> , dustbin-table <i>Text</i> , 
				    dustbin-view <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Very similar to <b>TopoGeo_FromGeoTableExt</b> except for a very critical difference.
				This function is strongly optimized for maximum speed, and will just update Nodes and Edges purposely ignoring Faces.<br>
				Consequently it will always leave the target Topology in an <i>inconsistent state</i>; only after executing <b>TopoGeo_Polygonize()</b> all Faces will be
				properly restored and the target Topology will finally resume a consistent state.<hr>
					Will return <b>0</b> on full success or a <b>positive</b> integer corresponding to the total count of failing features referenced by the <i>dustbin</i> table.<br>
					An exception will be raised only on wrong arguments.</td></tr>
			<tr><td><b>TopoGeo_Polygonize</b></td>
				<td>TopoGeo_Polygonize( toponame <i>Text</i> )<hr>
				    TopoGeo_Polygonize( toponame <i>Text</i> , force_rebuild <i>Boolean</i> )</td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove all existing Faces from a Topology then rebuilding all them by scratch.
				<ul>
					<li>If the Topology already is in a fully consistent state (i.e. all Edges are found to be assigned to their corresponding Faces) the function will immediately return 
					whithout taking any action.</li>
					<li>If the Topology is in an inconsistent state (i.e. some Edges are found lacking their corresponding Faces (preasumably due to previous calls to <b>TopoGeo_AddLinesStringNoFace</b>,
					<b>TopoGeo_FromGeoTableNoFace</b> and/or <b>TopoGeo_FromGeoTableNoFaceExt</b>) the function will effectively rebuild all Faces from scratch.</li>
					<li>If the optional argument <i>force_rebuild</i> is set to <b>TRUE</b> (not <b>0</b>) all Faces will be unconditionally rebuilt.</li>
				</ul>
				<i>Caveat</i>: for efficiency/speed reasons this function requires a substantial amount of available RAM: any attempt to process a very
				huge Topology on a platform supporting a very limited amount of RAM will probably fail due to <b>insufficient memory</b> errors.<hr>
					Will return <b>NULL</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_RemoveSmallFaces</b></td>
				<td>TopoGeo_RemoveSmallFaces( toponame <i>Text</i> , min-circularity <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_RemoveSmallFaces( toponame <i>Text</i> , min-circularity <i>Double precision</i> , min-area <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove from the given Topology all Faces presenting <b>both</b> a Circularity index smaller than <i>min-circularity</i> <b>and</b> an area smaller than <i>min-area</i>.
				    <ul>
						<li>for a formal definition of the Circularity index please see <a href="#circularity">Circularity()</a></li>
						<li>the Circularity index ranges between <i>1.0</i> and <i>0.0</i>, so setting <b>min-circularity</b> to a value equal or greater than <i>1.0</i> will implicitly disable the
						    corresponding check.</li>
						<li>the <i>optional</i> argument <b>min-area</b> if not specified will assume a <i>0.0</i> value thus implicitly disabling the corresponding check.</li>
				    </ul><hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_RemoveDanglingEdges</b></td>
				<td>TopoGeo_RemoveDanglingEdges( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove from the given Topology all dangling Edges.<hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_RemoveDanglingNodes</b></td>
				<td>TopoGeo_RemoveDanglingNodes( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove from the given Topology all dangling Nodes.<hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_NewEdgeHeal</b></td>
				<td>TopoGeo_NewEdgeHeal( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove from the given Topology all unnecessary Nodes.<br>
				    An unnecessary Node is one connected to exactly two Edges whilst both Edges share the same two Faces; it's obvious that such a Node could be safely removed giving birth to a single Edge
				    without altering in any way the Topological self-consistency.<br>
				    All unnecessary Nodes identified by this function will be removed by implicitly calling <b>ST_NewEdgeHeal()</b><hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_ModEdgeHeal</b></td>
				<td>TopoGeo_ModEdgeHeal( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove from the given Topology all unnecessary Nodes.<br>
				    An unnecessary Node is one connected to exactly two Edges whilst both Edges share the same two Faces; it's obvious that such a Node could be safely removed giving birth to a single Edge
				    without altering in any way the Topological self-consistency.<br>
				    All unnecessary Nodes identified by this function will be removed by implicitly calling <b>ST_ModEdgeHeal()</b><hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_NewEdgesSplit</b></td>
				<td>TopoGeo_NewEdgesSplit( toponame <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_NewEdgesSplit( toponame <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to split all <i>Edges</i> into a collection of shorter Edges fully respecting Topology consistency.<br>
					The interpretation of <b>line_max_points</b> and <b>line_max_lenght</b> arguments is the same adopted by <b>TopoGeo_SubdivideLines()</b><br>
				    Edges and Nodes will be handled by implicitly calling <b>ST_NewEdgesSplit()</b><hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_ModEdgeSplit</b></td>
				<td>TopoGeo_ModEdgeSplit( toponame <i>Text</i> , line_max_points <i>Integer</i> ) : <i>Integer</i><hr>
				    TopoGeo_ModEdgeSplit( toponame <i>Text</i> , line_max_points <i>Integer</i> , line_max_length <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to split all <i>Edges</i> into a collection of shorter Edges fully respecting Topology consistency.<br>
					The interpretation of <b>line_max_points</b> and <b>line_max_lenght</b> arguments is the same adopted by <b>TopoGeo_SubdivideLines()</b><br>
				    Edges and Nodes will be handled by implicitly calling <b>ST_ModEdgeSplit()</b><hr>
					Will return <b>1</b> on full success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_Clone</b></td>
				<td>TopoGeo_Clone( toponame <i>Text</i> , new-toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will clone an existing Topology into another; the destionation Topology shall not exist and will be automatically created.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_GetEdgeSeed</b></td>
				<td>TopoGeo_GetEdgeSeed( toponame <i>Text</i> , edge-id <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return a Point Geometry uniquely identifying an Edge (i.e. spatially intersecting the Edge).<hr>
					Will return a <b>Point</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_GetFaceSeed</b></td>
				<td>TopoGeo_GetFaceSeed( toponame <i>Text</i> , face-id <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return a Point Geometry uniquely identifying a Face (i.e. spatially intersecting the Face).<hr>
					Will return a <b>Point</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_SnapPointToSeed</b></td>
				<td>TopoGeo_SnapPointToSeed( point <i>Geometry</i> , toponame <i>Text</i> , distance <i>Double</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will possibly return a new <b>Point</b> precisely snapped to the nearset TopoNode within the given <b>distance</b>; if no such TopoNode exists <b>NULL</b> will be returned.<br>
				An exception will be raised on invalid arguments.</td></tr>
			<tr><td><b>TopoGeo_SnapLineToSeed</b></td>
				<td>TopoGeo_SnapLineToSeed( line <i>Geometry</i> , toponame <i>Text</i> , distance <i>Double</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will possibly return a new <b>Linestring</b> precisely snapped to the nearset Edge TopoSeed within the given <b>distance</b>; if no such TopoSeed exists <b>NULL</b> will be returned.<br>
				An exception will be raised on invalid arguments.</td></tr>
			<tr><td><b>TopoGeo_DisambiguateSegmentEdges</b></td>
				<td>TopoGeo_DisambiguateSegmentEdges( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Ensures that all Edges on a Topology-Geometry will have not less than three vertices.
					<ul>
						<li>all Edges found already definining three or more vertices will be left untouched as they are.</li>
						<li>all Edges found simply being a two-points segment will be changed by interpolating a third intermediate vertex.</li>
						<li>this function is harmless (doesn't substantially alters the Topology in any way) and ensures that all <b>Seeds</b> will certainly be not ambiguous.</li>
					</ul>
					Will return the total number of changed Edges on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_UpdateSeeds</b></td>
				<td>TopoGeo_UpdateSeeds( toponame <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_UpdateSeeds( toponame <i>Text</i> , incremental-mode <i>Integer</i> ) : <i>Integer</i> </td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will update all persistent Edge- and Face-Seeds so to correctly represent the current state of the underlying Topology.
					<ul>
						<li>if the optional argument <i>incremental-mode</i> is set to TRUE an incremental update (faster) will be applied,
						otherwise all persistent Seeds will be rebuilt from scratch (slower).</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_PolyFacesList</b></td>
				<td>TopoGeo_PolyFacesList( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to export into an output Table all relationships between the Faces of some Topology-Geometry and Polygons/Multipolygons found within a given
				    Reference-GeoTable. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries only of the <b>Polygon</b> or <b>MultiPolygon</b> types.</li>
						<li>the output Table will be always located on the <b>"MAIN"</b> DB and must not exists; it will be automatically created.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_LineEdgesList</b></td>
				<td>TopoGeo_LineEdgesList( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to export into an output Table all relationships between the Edges of some Topology-Geometry and Linestrings/Multilinestrings found within a given
				    Reference-GeoTable. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries only of the <b>Linestring</b> or <b>MultiLinestring</b> types.</li>
						<li>the output Table will be always located on the <b>"MAIN"</b> DB and must not exists; it will be automatically created.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_ToGeoTable</b></td>
				<td>TopoGeo_ToGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_ToGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , with-spatial-index <i>Boolenan</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to export into an Output GeoTable all Geometries out from a Topology-Geometry matching (via Seed-based references) a given
				    Reference-GeoTable containing information attributes. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.</li>
						<li>the output GeoTable will be always located on the <b>"MAIN"</b> DB and must not exists; it will be automatically created with the same identical
						    attributes of the reference GeoTable.</li>
						<li>all spatial features found into the reference GeoTable will be copied into the output GeoTable. All information attributes will be preserved
						    exactly as they are, and the feature's Geometry will be built by aggregating all Topology objects matching the reference Geometry by Seed correspondences.<br>
						    If no matching Topology objectes are found the result will be a <b>NULL</b> output Geometry.</li>
						<li><i><u>Please note</u></i>: this function will automatically invoke <b>TopoGeo_UpdateSeeds()</b> (<i>incremental mode</i>).</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_ToGeoTableGeneralize</b></td>
				<td>TopoGeo_ToGeoTableGeneralize( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , tolerance <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoGeo_ToGeoTableGeneralize( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , tolerance <i>Double precision</i> , with-spatial-index <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Exactly the same as <b>TopoGeo_ToGeoTable()</b> except in that all exported geometries will be simplified / generalized still maintaining full topological consistency. 
					<ul>
						<li><i>tolerance</i> represents the approximation radius required by the Douglas-Peuker simplification algorithm.<br>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_CreateTopoLayer</b></td>
				<td>TopoGeo_CreateTopoLayer( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, topolayer-name <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_CreateTopoLayer( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, topolayer-name <i>Text</i> , is-view <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a fully defined new <b>TopoLayer</b> starting from a reference GeoTable:
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function accepts input Geometries of any class: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>Polygon</b>, <b>MultiPolygon</b>, <b>GeometryCollection</b> and <b>Geometry</b>.</li>
						<li>if the optional boolean argument <b>is-view</b> is set to <b>TRUE</b> (any other value different from zero) then a View or a Table containing a unregistered Geometry column will
						    be accepted (<b>FALSE</b> by default).<br>
						    In this case <b>ref-column</b> must be always explicitly defined, and must contain all Geometries matching both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_InitTopoLayer</b></td>
				<td>TopoGeo_InitTopoLayer( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , topolayer-name <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will initialize a partialy defined new <b>TopoLayer</b> starting from a reference plain Table or View:
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference Table or View is expected to be located within the <b>"MAIN"</b> database.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_RemoveTopoLayer</b></td>
				<td>TopoGeo_RemoveTopoLayer( toponame <i>Text</i> , topolayer-name <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will completely remove an existing <b>TopoLayer</b>.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_ExportTopoLayer</b></td>
				<td>TopoGeo_ExportTopoLayer( toponame <i>Text</i> , topolayer-name <i>Text</i> , out-table <i>Text</i> ) : <i>Integer</i><hr>
				    TopoGeo_ExportTopoLayer( toponame <i>Text</i> , topolayer-name <i>Text</i> , out-table <i>Text</i> , with-spatial-index <i>Boolean</i> ) : <i>Integer</i><hr>
				    TopoGeo_ExportTopoLayer( toponame <i>Text</i> , topolayer-name <i>Text</i> , out-table <i>Text</i> , with-spatial-index <i>Boolean</i> , create-only <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create and populate a GeoTable corresponding to a <b>TopoLayer</b>.
					<ul>
						<li>if the optional boolean argument <b>with-spatial-index</b> is set to <b>TRUE</b> (any other value different from zero) then a <b>Spatial Index</b> supporting
						the output GeoTable will be automatically created (<b>FALSE</b> by default).</li>
						<li>if the optional boolean argument <b>create-only</b> is set to <b>TRUE</b> (any other value different from zero) then the output GeoTable will be created 
						but will not be populated thus remaining completely empty (<b>FALSE</b> by default).</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoGeo_InsertFeatureFromTopoLayer</b></td>
				<td>TopoGeo_InsertFeatureFrom( toponame <i>Text</i> , topolayer-name <i>Text</i> , out-table <i>Text</i> , fid <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will inserting a single TopoFeature identified by is <b>fid</b> into a GeoTable corresponding to a <b>TopoLayer</b>.
					<ul>
						<li>the output GeoTable must exist and is expected to be created by a previous call to <b>TopoGeo_ExportTopoLayer()</b>.</li>
						<li>the TopoFeature identified by <b>fid</b> must exist and a corresponding row must not be already inserted into the output GeoTable.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="network">SQL functions supporting Topology-Network</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">ISO 13249-3<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>GetLastNetworkException</b></td>
				<td>GetLastNetworkException( netname <i>Text</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return the most recent exception raised by this Topo-Net, or <b>NULL</b> if no exception is currently pending.</td></tr>
			<tr><td><b>InitTopoNet</b></td>
				<td>ST_InitTopoNet( netname <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">This SQL function is explicitly required by <b>ISO 13249-3</b>, anyway it's simply implemented as an <i>alias-name</i> for <b>CreateNetwork ( netname )</b>.<hr>
					Will return <i>1</i> on success) or <i>0</i> on failure: <i>-1</i> will be returned on invalid arguments.</td></tr>
			<tr><td><b>CreateNetwork</b></td>
				<td>CreateNetwork( netname <i>Text</i> ) : <i>Integer</i><hr>
				    CreateNetwork( netname <i>Text</i> , spatial <i>Boolean</i> ) : <i>Integer</i><hr>
				    CreateNetwork( netname <i>Text</i> , spatial <i>Boolean</i> , srid <i>Integer</i> ) : <i>Integer</i><hr>
				    CreateNetwork( netname <i>Text</i> , spatial <i>Boolean</i> , srid <i>Integer</i> , has_z <i>Boolean</i> ) : <i>Integer</i><hr>
				    CreateNetwork( netname <i>Text</i> , spatial <i>Boolean</i> , srid <i>Integer</i> , has_z <i>Boolean</i> , allow_coincident <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create all DBMS objects (tables, triggers, indices and alike) required in order to store a separate Topo-Net.
				<ul>
					<li><i>netname</i>: the individual unique name of this Topo-Net: all subordinated tables will use it as a prefix.</li>
					<li><i>spatial</i>: if set to <b>TRUE</b> this Topo-Net will be considered a <b>Spatial-Network</b>, otherwise a <b>Logical-Network</b> will be assumed (<b>FALSE</b> by default).</li>
					<li><i>srid</i>: the Spatial Reference System supporting this Topo-Net (<b>-1</b> by default).</li>
					<li><i>has_z</i>: if set to <b>TRUE</b> this Topo-Net will support <b>3D - XYZ</b> coordinates (<b>FALSE</b> by default).</li>
					<li><i>allow_coincident</i>: if set to <b>FALSE</b> all <u>Node-on-Node</u>, <u>Link-on-Node</u> or <u>Node-on-Link</u> conditions will raise an exception (<b>TRUE</b> by default).</li>
				</ul>
					Will return <i>1</i> on success), <i>0</i> on failure, <i>-1</i> on invalid arguments.</td></tr>
			<tr><td><b>DropNetwork</b></td>
				<td>DropNetwork( netname <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Completely removes a Topo-Net (and all data it contains) from the DBMS: to be invoked very cautiously and only if you are absolutely sure of what you are doing.<hr>
					Will return <i>1</i> on success) or <i>0</i> on failure: <i>-1</i> will be returned on invalid arguments.</td></tr>
			<tr><td><b>AddIsoNetNode</b></td>
				<td>ST_AddIsoNetNode( netname <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new isolated NetNode.<hr>
					Will return the <b>ID</b> of the inserted NetNode on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>MoveIsoNetNode</b></td>
				<td>ST_MoveIsoNetNode( netname <i>Text</i> , node-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will move an isolated NetNode from a point to another.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemIsoNetNode</b></td>
				<td>ST_RemIsoNetNode( netname <i>Text</i> , node-id <i>Integer</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove an isolated NetNode.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>AddLink</b></td>
				<td>ST_AddLink( netname <i>Text</i> , startnode-id <i>Integer</i> , endnode-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will add a new Link connecting two NetNodes.<hr>
					Will return the <b>ID</b> of the inserted Link on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ChangeLinkGeom</b></td>
				<td>ST_ChangeLinkGeom( netname <i>Text</i> , link-id <i>Integer</i> , linestring <i>Geometry</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will change the geometry of a Link without affecting Topology relationships.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>RemoveLink</b></td>
				<td>ST_RemoveLink( netname <i>Text</i> , link-id <i>Integer</i> ) : <i>Text</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will remove a Link.<hr>
					Will return a <b>text message</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>NewLogLinkSplit</b></td>
				<td>ST_NewLogLinkSplit( netname <i>Text</i> , link-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split a Link (of the <u>Logical</u> type) by creating a new intermediate NetNode. The original Link will be deleted and will be replaced by two new Links.<hr>
					Will return the <b>ID</b> of the inserted Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ModLogLinkSplit</b></td>
				<td>ST_ModLogLingSplit( netname <i>Text</i> , link-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split a Link (of the <u>Logical</u> type) by creating a new intermediate NetNode. The original Link will be modified and a new Link will be inserted.<hr>
					Will return the <b>ID</b> of the inserted Node on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>NewGeoLinkSplit</b></td>
				<td>ST_NewGeoLinkSplit( netame <i>Text</i> , link-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split a Link (of the <u>Spatial</u> type) by creating a new intermediate NetNode. The original Link will be deleted and will be replaced by two new Links.<hr>
					Will return the <b>ID</b> of the inserted NetNode on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ModGeoLinkSplit</b></td>
				<td>ST_ModGeoLingSplit( netame <i>Text</i> , link-id <i>Integer</i> , point <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will split a Link (of the <u>Spatial</u> type) by creating a new intermediate NetNode. The original Link will be modified and a new Link will be inserted.<hr>
					Will return the <b>ID</b> of the inserted NetNode on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>NewLinkHeal</b></td>
				<td>ST_NewLinkHeal( netname <i>Text</i> , link1-id <i>Integer</i> , link2-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will heal two Links by deleting the NetNode connecting them. Both the original Links will be deleted and will be replaced by
					a new Link preserving the same orientation of the first Link provided.<hr>
					Will return the <b>ID</b> of the removed NetNode on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ModLinkHeal</b></td>
				<td>ST_ModLinkHeal( netname <i>Text</i> , link1-id <i>Integer</i> , link2-id <i>Integer</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will heal two Links by deleting the NetNode connecting them. The first Link provided will be modified and the second deleted.<hr>
					Will return the <b>ID</b> of the removed NetNode on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>LogiNetFromTGeo</b></td>
				<td>ST_LogiNetFromTGeo( netname <i>Text</i> , toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a <b>Logical Topology-Network</b> from an existing <b>Topology-Geometry</b>.<br>
					The destination <i>TopoNet</i> is expected to exist and to be completely empty.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.<br>
					Calling this function on behalf of some Network of the Spatial type will raise an exception.</td></tr>
			<tr><td><b>SpatNetFromTGeo</b></td>
				<td>ST_SpatNetFromTGeo( netname <i>Text</i> , toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a <b>Spatial Topology-Network</b> from an existing <b>Topology-Geometry</b>.<br>
					The destination <i>TopoNet</i> is expected to exist and to be completely empty.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.<br>
					Calling this function on behalf of some Network of the Logical type will raise an exception; both the <i>TopoNet</i>
					and the <i>TopoGeo</i> are expected to declared the same identical <b>SRID</b> and <b>dimensions</b> (<i>2D</i> or <i>3D</i>),
					otherwise an exception will be raised.</td></tr>
			<tr><td><b>SpatNetFromGeom</b></td>
				<td>ST_SpatNetFromGeom( netname <i>Text</i> , geometry <i>BLOB</i> )</td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will populate a full Network by importing a collection of arbitrary Geometries.<br>
					The destination Network must already exists and must be empty; both SRID and dimensions of input Geometries must match SRID and dimensions declared by Network.<br>
					Calling this function on behalf of some Network of the Logical type will raise an exception<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>ValidLogicalNet</b></td>
				<td>ST_ValidLogicalNet( netname <i>Text</i> ) : <i>DB-table</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a DB-Table containing a validation report for the given TopoNet of the Logical type: if the output table is empty and no exception was raised
					the Network is assumed to be fully valid, otherwise a row will be inserted into the table for each detected Topology invalidity.<br>
					If the destination table already exists it will be dropped and created yet again.<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.<br>
					Calling this function on behalf of some Network of the Spatial type will raise an exception.</td></tr>
			<tr><td><b>ValidSpatialNet</b></td>
				<td>ST_ValidSpatialNet( netname <i>Text</i> ) : <i>DB-table</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will create a DB-Table containing a validation report for the given TopoNet of the Spatial type: if the output table is empty and no exception was raised
					the Network is assumed to be fully valid, otherwise a row will be inserted into the table for each detected Topology invalidity.<br>
					If the destination table already exists it will be dropped and created yet again.<hr>
					Will return <b>NULL</b> on success; an exception will be raised on failure.<br>
					Calling this function on behalf of some Network of the Logical type will raise an exception.</td></tr>
			<tr><td><b>GetNetNodeByPoint</b></td>
				<td>GetNetNodeByPoint( netname <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i><hr>
				    GetNetNodeByPoint( netname <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to find the ID of a NetNode located at Point.
				    <ul><li>The optional argument <i>tolerance</i> if omitted will imply an exact coincidence (<b>0.0</b> by default).</li></ul><hr>
					Will return the ID of the NetNode on success; an exception will be raised on failure.<br>
					<b>Note</b>: this function cannot be applied to a <i>Logical Network</i></td></tr>
			<tr><td><b>GetLinkByPoint</b></td>
				<td>GetLinkByPoint( netname <i>Text</i> , point <i>Geometry</i> ) : <i>Integer</i><hr>
				    GetLinkByPoint( netname <i>Text</i> , point <i>Geometry</i> , tolerance <i>Double precision</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to find the ID of a Link intersecting the given Point.
				    <ul><li>The optional argument <i>tolerance</i> if omitted will imply an exact coincidence (<b>0.0</b> by default).</li></ul><hr>
					Will return the ID of the Link on success; an exception will be raised on failure.<br>
					<b>Note</b>: this function cannot be applied to a <i>Logical Network</i></td></tr>
			<tr><td><b>TopoNet_FromGeoTable</b></td>
				<td>TopoNet_FromGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , table-name <i>Text</i> , column-name <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to import all Geometries from an input GeoTable identified by <i>db-prefix</i>, <i>table-name</i> and <i>column-name</i> into an already existing Topology-Network.
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the input GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the input GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Topology.</li>
						<li>this function only accepts input Geometries of the <b>Linestring</b> or <b>MultiLinestring</b> classes.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_Clone</b></td>
				<td>TopoNet_Clone( netname <i>Text</i> , new-netname <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will clone an existing Network into another; the destionation Network shall not exist and will be automatically created.<hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_GetLinkSeed</b></td>
				<td>TopoNet_GetLinkSeed( netname <i>Text</i> , link-id <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will return a Point Geometry uniquely identifying a Link (i.e. spatially intersecting the Link).<hr>
					Will return a <b>Point</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_DisambiguateSegmentLinks</b></td>
				<td>TopoNet_DisambiguateSegmentLinks( toponame <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Ensures that all Links on a Topology-Network will have not less than three vertices.
					<ul>
						<li>all Links found already definining three or more vertices will be left untouched as they are.</li>
						<li>all Links found simply being a two-points segment will be changed by interpolating a third intermediate vertex.</li>
						<li>this function is harmless (doesn't substantially alters the Network in any way) and ensures that all <b>Seeds</b> will certainly be not ambiguous.</li>
					</ul>
					Will return the total number of changed Links on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_UpdateSeeds</b></td>
				<td>TopoNet_UpdateSeeds( netname <i>Text</i> ) : <i>Integer</i><hr>
				    TopoNet_UpdateSeeds( netname <i>Text</i> , incremental-mode <i>Integer</i> ) : <i>Integer</i> </td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPOM</td>
				<td colspan="3">Will update all persistent Link-Seeds so to correctly represent the current state of the underlying Network.
					<ul>
						<li>if the optional argument <i>incremental-mode</i> is set to TRUE an incremental update (faster) will be applied,
						otherwise all persistent Seeds will be rebuilt from scratch (slower).</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_LineLinksList</b></td>
				<td>TopoNet_LineLinksList( netname <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to export into an output Table all relationships between the Links of some Topology-Network and Linestrings/Multilinestrings found within a given
				    Reference-GeoTable. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Network.</li>
						<li>this function accepts input Geometries only of the <b>Linestring</b> or <b>MultiLinestring</b> types.</li>
						<li>the output Table will be always located on the <b>"MAIN"</b> DB and must not exists; it will be automatically created.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_ToGeoTable</b></td>
				<td>TopoNet_ToGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> ) : <i>Integer</i><hr>
				    TopoNet_ToGeoTable( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , with-spatial-index <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Will attempt to export into an Output GeoTable all Geometries out from a Topology-Network matching (via Seed-based references) a given
				    Reference-GeoTable containing information attributes. 
					<ul>
						<li><i>db-prefix</i> can be <b>NULL</b>, and in this case the reference GeoTable is expected to be located within the <b>"MAIN"</b> database.</li>
						<li><i>ref-column-name</i> too can be <b>NULL</b>, and in this case the name of the column containing Geometries will be automatically retrieved;
						if <b>"db"."table"</b> does not contains any Geometry column, or if it contains two or more Geometries an exception will be raised.</li>
						<li>the reference GeoTable must be properly registered and must match both <b>SRID</b> and <b>dimensions</b> declared by the target Network.</li>
						<li>this function accepts input Geometries of the following classes: <b>Point</b>, <b>MultiPoint</b>, <b>Linestring</b>, <b>MultiLinestring</b>,
						<b>GeometryCollection</b> and <b>Geometry</b>.<br>
						All areal Geometries (<i>Polygon</i>, <i>MultiPolygon</i>) will be always ignored.</li>
						<li>the output GeoTable will be always located on the <b>"MAIN"</b> DB and must not exists; it will be automatically created with the same identical
						    attributes of the reference GeoTable.</li>
						<li>all spatial features found into the reference GeoTable will be copied into the output GeoTable. All information attributes will be preserved
						    exactly as they are, and the feature's Geometry will be built by aggregating all Topology objects matching the reference Geometry by Seed correspondences.<br>
						    If no matching Topology objectes are found the result will be a <b>NULL</b> output Geometry.</li>
						<li><i><u>Please note</u></i>: this function will automatically invoke <b>TopoNet_UpdateSeeds()</b> (<i>incremental mode</i>).</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td><b>TopoNet_ToGeoTableGeneralize</b></td>
				<td>TopoNet_ToGeoTableGeneralize( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , tolerance <i>Double precision</i> ) : <i>Integer</i><hr>
				    TopoNet_ToGeoTableGeneralize( toponame <i>Text</i> , db-prefix <i>Text</i> , ref-table-name <i>Text</i> , ref-column-name <i>Text</i>, out-table <i>Text</i> , tolerance <i>Double precision</i> , with-spatial-index <i>Boolean</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0"></td>
				<td align="center" bgcolor="#f0d0f0">RTTOPO</td>
				<td colspan="3">Exactly the same as <b>TopoNet_ToGeoTable()</b> except in that all exported geometries will be simplified / generalized still maintaining full topological consistency. 
					<ul>
						<li><i>tolerance</i> represents the approximation radius required by the Douglas-Peuker simplification algorithm.</li>
					</ul><hr>
					Will return <b>1</b> on success; an exception will be raised on failure.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="wms">SQL functions supporting WMS datasources</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>WMS_CreateTables</b></td>
				<td>WMS_CreateTables() : <i>Integer</i></td>
				<td colspan="3">Creates all DB Tables required for permanently egistering WMS datasources and their configurations.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure.</td></tr>
			<tr><td><b>WMS_RegisterGetCapabilities</b></td>
				<td>WMS_RegisterGetCapabilities( url <i>Text</i> ) : <i>Integer</i><hr>
				    WMS_RegisterGetCapabilities( url <i>Text</i> , title <i>Text</i> , abstract <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Registers a WMS server.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_UnRegisterGetCapabilities</b></td>
				<td>WMS_UnRegisterGetCapabilities( url <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Unregisters a WMS server (and all related children).<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_SetGetCapabilitiesInfos</b></td>
				<td>WMS_SetGetCapabilitiesInfos( url <i>Text</i> , title <i>Text</i> , abstract <i>Text</i> )</td>
				<td colspan="3">Sets or updates the <b>Title</b> and <b>Abstract</b> for the WMS server identified by <b>url</b>.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_RegisterGetMap</b></td>
				<td>WMS_RegisterGetMap( getcapabilitites_url <i>Text</i> , getmap_url <i>Text</i> , layer_name <i>Text</i> , version <i>Text</i>, ref_sys <i>Text</i> ,
                    image_format <i>Text</i> , style <i>Text</i> , is_transparent <i>Boolean</i> , flip_axes <i>Boolean</i> ) : <i>Integer</i><hr>
				    WMS_RegisterGetMap( getcapabilitites_url <i>Text</i> , getmap_url <i>Text</i> , layer_name <i>Text</i> , version <i>Text</i>, ref_sys <i>Text</i> ,
                    image_format <i>Text</i> , style <i>Text</i> , is_transparent <i>Boolean</i> , flip_axes <i>Boolean</i> , is_tiled <i>Boolean</i> , 
                    is_cached <i>Boolean</i> , tile_width <i>Integer</i> , tile_height <i>Integer</i> ) : <i>Integer</i><hr>
				    WMS_RegisterGetMap( getcapabilitites_url <i>Text</i> , getmap_url <i>Text</i> , layer_name <i>Text</i> , title <i>Text</i> , abstract <i>Text</i> , 
				    version <i>Text</i>, ref_sys <i>Text</i> , image_format <i>Text</i> , style <i>Text</i> , is_transparent <i>Boolean</i> , flip_axes <i>Boolean</i> , 
				    is_tiled <i>Boolean</i> , is_cached <i>Boolean</i> , tile_width <i>Integer</i> , tile_height <i>Integer</i> , bgcolor <i>Text</i> ,
				    is_queryable <i>Boolean</i> , getfeatureinfo_url <b>Text</b> ) : <i>Integer</i></td>
				<td colspan="3">Registers a WMS layer.
					<ul>
						<li><b>getcapabilities_url</b>: URL referencing the parent <i>WMS GetCapabilities</i> request (must be already registered).</li>
						<li><b>getmap_url</b>: base URL corresponding to the <i>WMS GetMap</i> request.</li>
						<li><b>layer_name</b> name of the <i>WMS Layer</i>.</li>
						<li><b>title</b> (<i>optional arg</i>): Title of the WMS Service.</li>
						<li><b>abstract</b> (<i>optional arg</i>): Abstract of the WMS Service.</li>
						<li><b>version</b>: version of the WMS protocol to be used for <i>GetMap</i> requests (e.g. <b>'1.1.1'</b> or <b>'1.3.0'</b>).</li>
						<li><b>ref_sys</b>: reference system to be used for <i>GetMap</i> requests (e.g. <b>'EPSG:4326'</b> or <b>'EPSG:32632'</b>).</li>
						<li><b>image_format</b>: MIME type of the image returned by a <i>WMS GetMap</i> request (e.g. <b>'image/png'</b> or <b>'image/jpeg'</b>).</li>
						<li><b>style</b>: name of the style to be applied to the <i>WMS Layer</i> (could be <b>'default'</b>).</li>
						<li><b>is_transparent</b>: if the image returned by a <i>WMS GetMap</i> request should be opaque or transparent.</li>
						<li><b>flip_axes</b>: if a <i>WMS GetMap</i> request requires flipping the horizontal and vertical axes.</li>
						<li><b>is_tiled</b> (<i>optional arg</i>): if <i>WMS GetMap</i> requests should be handled <i>by tiles</i> or not.</li>
						<li><b>is_cached</b> (<i>optional arg</i>): if <i>WMS GetMap</i> results should be cached or not (applies only to <i>tiled</i> requests).</li>
						<li><b>tile_width</b> (<i>optional arg</i>): tile width expressed in <i>pixels</i> (applies only to <i>tiled</i> requests).</li>
						<li><b>tile_height</b> (<i>optional arg</i>): tile height expressed in <i>pixels</i> (applies only to <i>tiled</i> requests).</li>
						<li><b>bgcolor</b> (<i>optional arg</i>): image background color (<i>Hex RGB color</i> as e.g. <b>'ff8000'</b> or <b>'A8A8A8'</b>).</li>
						<li><b>is_queriable</b> (<i>optional arg</i>): if the <i>WMS Layer</i> supports or not <i>GetFeatureInfo</i> requests.</li>
						<li><b>getfeatureinfo_url</b> (<i>optional arg</i>): base URL corresponding to a <i>WMS GetFeatureInfo</i> request.</li>
					</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_UnRegisterGetMap</b></td>
				<td>WMS_UnRegisterGetMap( getmap_url <i>Text</i> , layer_name <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Unregisters a WMS Layer (and all related children).<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_SetGetMapInfos</b></td>
				<td>WMS_SetGetMapInfos( getmap_url <i>Text</i> , layer_name <i>Text</i> , title <i>Text</i> , abstract <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Sets or updates the <b>Title</b> and <b>Abstract</b> for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b>.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_SetGetMapCopyright</b></td>
					<td>WMS_SetGetMapCopyright( getmap_url <i>Text</i> , layer_name <i>String</i> , copyright <i>String</i> ) : <i>Integer</i><hr>
						WMS_SetGetMapCopyright( getmap_url <i>Text</i> , layer_name <i>String</i> , copyright <i>String</i> , license <i>String</i> ): <i>Integer</i></td>
					<td colspan="3">Updates Copyright and License infos associated to a <b>WMS Layer</b>.
					<ul>
						<li><b>getmap_url</b> and <b>layer_name</b> must identify an existing WMS Layer.</li>
						<li><b>copyright</b> identifies the Copyright holder; if <b>NULL</b> the current value will be preserved.</li>
						<li>the optional argument <b>license</b> must reference one the Data Licenses registered into the <b>data_licenses</b> table, as e.g. <i>CC0 1.0</i> or <i>CC BY 4.0</i>.</li>
					</ul><hr>
						the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be returned on invalid arguments.</td></tr>
			<tr><td><b>WMS_SetGetMapOptions</b></td>
				<td>WMS_SetGetMapOptions( getmap_url <i>Text</i> , layer_name <i>Text</i> , transparent <i>Boolean</i> , flip_axes <i>Boolean</i> )<hr>
				    WMS_SetGetMapOptions( getmap_url <i>Text</i> , layer_name <i>Text</i> , is_tiled <i>Boolean</i> , cached <i>Boolean</i> , tile_width <i>Integer</i> , tile_height <i>Integer</i>) : <i>Integer</i><hr>
				    WMS_SetGetMapOptions( getmap_url <i>Text</i> , layer_name <i>Text</i> , is_queryable <i>Boolean</i> , getfeatureinfo_url <i>Text</i> ) : <i>Integer</i><hr>
				    WMS_SetGetMapOptions( getmap_url <i>Text</i> , layer_name <i>Text</i> , bgcolor <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Sets or updates configurable options for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b>.<br>
				    Please check <b>WMS_RegisterGetMap</b> for more informations about supported options.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_RegisterSetting</b></td>
				<td>WMS_RegisterSetting( getmap_url <i>Text</i> , layer_name <i>Text</i> , key <i>Text</i> , value <i>Text</i> ) : <i>Integer</i><hr>
				    WMS_RegisterSetting( getmap_url <i>Text</i> , layer_name <i>Text</i> , key <i>Text</i> , value <i>Text</i> , is_default <i>Boolean</i> ) : <i>Integer</i></td>
				<td colspan="3">Registers an alternative setting for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b>.
					<ul>
						<li><b>key</b>: identifies a specific multi-value setting, and should be one between <b>version</b>, <b>format</b> or <b>style</b>.</li>
						<li><b>value</b>: an alternative setting value. Examples:
							<ul>
								<li><i>key</i> = <b>'version'</b> , <i>value</i> = '<b>'1.0.0'</b></li>
								<li><i>key</i> = <b>'version'</b> , <i>value</i> = '<b>'1.1.0'</b></li>
								<li><i>key</i> = <b>'version'</b> , <i>value</i> = '<b>'1.1.1'</b></li>
								<li><i>key</i> = <b>'version'</b> , <i>value</i> = '<b>'1.3.0'</b></li>
							</ul>
						</li>
						<li><b>is_default</b> (<i>optional arg</i>): if the corresponding value will become the standard setting for the corresponding WMS Layer (<b>FALSE</b> if undefined).</li>
					</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_UnRegisterSetting</b></td>
				<td>WMS_UnRegisterSetting( getmap_url <i>Text</i> , layer_name <i>Text</i> , key <i>Text</i> , value <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Unregisters an alternative setting from the corresponding WMS Layer.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_DefaultSetting</b></td>
				<td>WMS_DefaultSetting( getmap_url <i>Text</i> , layer_name <i>Text</i> , key <i>Text</i> , value <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Makes an alternative setting to become the standard setting for the corresponding WMS Layer.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_RegisterRefSys</b></td>
				<td>WMS_RegisterRefSys( getmap_url <i>Text</i> , layer_name <i>Text</i> , ref_sys <i>Text</i> , minx <i>Double</i> , miny <i>Double</i> ,
				    maxx <i>Double</i> , maxy <i>Double</i> ) : <i>Integer</i><hr>
				    WMS_RegisterRefSys( getmap_url <i>Text</i> , layer_name <i>Text</i> , ref_sys <i>Text</i> , minx <i>Double</i> , miny <i>Double</i> ,
				    maxx <i>Double</i> , maxy <i>Double</i> , is_default <i>Boolean</i> ) : <i>Integer</i></td>
				<td colspan="3">Registers an alternative Reference System for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b>
					<ul>
						<li><b>ref_sys</b>: name of Reference System (e.g. <b>'EPSG:4326'</b> or <b>'EPSG:32632'</b>).</li>
						<li><b>minx</b>, <b>miny</b>, <b>maxx</b> and <b>maxy</b>: the corresponding WMS Layer's Bounding Box (aka full extent).</li>
						<li><b>is_default</b> (<i>optional arg</i>): if the corresponding SRS will become the standard Reference System for the corresponding WMS Layer (<b>FALSE</b> if undefined).</li>
					</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_UnRegisterRefSys</b></td>
				<td>WMS_UnRegisterRefSys( getmap_url <i>Text</i> , layer_name <i>Text</i> , ref_sys <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Unregisters an alternative Reference System from the corresponding WMS Layer.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_DefaultRefSys</b></td>
				<td>WMS_DefaultRefSys( getmap_url <i>Text</i> , layer_name <i>Text</i> , ref_sys <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Makes an alternative SRS to become the standard Reference System for the corresponding WMS Layer.<hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>WMS_GetMapRequestURL</b></td>
				<td>WMS_GetMapRequestURL( getmap_url <i>Text</i> , layer_name <i>Text</i> , width <i>Integer</i> , height <i>Integer</i> , minx <i>Double</i> , miny <i>Double</i> ,
				    maxx <i>Double</i> , maxy <i>Double</i> ) : <i>Text</i></td>
				<td colspan="3">Creates a <b>WMS GetMap</b> request URL for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b> by applying the currently set options.
				    <ul>
						<li><b>width</b> and <b>height</b>: horizontal and vertical dimensions (expressed in pixels) of the returned map image.</li>
						<li><b>minx</b>, <b>miny</b>, <b>maxx</b> and <b>maxy</b>: the Bounding Box coverred by the returned map image.</li>
				    </ul><hr>
					Will return a <b>request URL</b> on success; <b>NULL</b> on failure or on invalid arguments.</td></tr>
			<tr><td><b>WMS_GetFeatureInfoRequestURL</b></td>
				<td>WMS_GetFeatureInfoRequestURL( getmap_url <i>Text</i> , layer_name <i>Text</i> , width <i>Integer</i> , height <i>Integer</i> , x <i>Integer</i>, y <i>Integer</i> ,
					minx <i>Double</i> , miny <i>Double</i> , maxx <i>Double</i> , maxy <i>Double</i> ) : <i>Text</i><hr>
					WMS_GetFeatureInfoRequestURL( getmap_url <i>Text</i> , layer_name <i>Text</i> , width <i>Integer</i> , height <i>Integer</i> , x <i>Integer</i>, y <i>Integer</i> ,
					minx <i>Double</i> , miny <i>Double</i> , maxx <i>Double</i> , maxy <i>Double</i> , feature_count <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Creates a <b>WMS GetFeatureInfo</b> request URL for the WMS Layer identified by <b>getmap_url</b> and <b>layer_name</b> by applying the currently set options.
				    <ul>
						<li><b>width</b> and <b>height</b>: horizontal and vertical dimensions (expressed in pixels) of the map image.</li>
						<li><b>x</b> and <b>y</b>: position of a Point on the map image to be queried: the map image coordidate origin <i>(0, 0)</i> is located on the
						<i>upper left corner</i>, the X axis increases going towards the right, the Y axis increases going towards the bottom. </li>
						<li><b>minx</b>, <b>miny</b>, <b>maxx</b> and <b>maxy</b>: the Bounding Box coverred by the map image.</li>
						<li><b>feature_count</b> (<i>optional arg</i>): maximum number of features allowed (<i>1</i> if unspecified).</li>
				    </ul><hr>
					Will return a <b>request URL</b> on success; <b>NULL</b> on failure or on invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="datalic">SQL functions supporting Data Licenses</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>RegisterDataLicense</b></td>
				<td>RegisterDataLicense( license_name <b>Text</b> ) : <i>Integer</i><hr>
					RegisterDataLicense( license_name <b>Text</b> , url <b>Text</b> ) : <i>Integer</i></td>
				<td colspan="3">Registers a Data License.
				<ul>
					<li><b>license_name</b> is expected to be a text string uniquely identifying a license/version.<br>
					<u>Note</u>: the following licenses are always self-defined when creating a new DB:
						<ul>
							<li><i>Undefined</i></li>
							<li><i>Proprietary - Non Free</i></li>
							<li><i>PD - Public Domain</i></li>
							<li><i>CC0 1.0</i></li>
							<li><i>CC BY 3.0</i></li>
							<li><i>CC BY 4.0</i></li>
							<li><i>CC BY-SA 3.0</i></li>
							<li><i>CC BY-SA 4.0</i></li>
							<li><i>CC BY-SA-NC 3.0</i></li>
							<li><i>CC BY-SA-NC 4.0</i></li>
						</ul>
					</li>
					<li>the optional argument <b>url</b> may eventually contain an URL pointing to the license's legal terms and conditions.</li>
				</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>UnRegisterDataLicense</b></td>
				<td>UnRegisterDataLicense( license_name <b>Text</b> ) : <i>Integer</i></td>
				<td colspan="3">Unregisters a Data License.
				<ul>
					<li><b>license_name</b> is expected to match an already registered license/version.</li>
				</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>RenameDataLicense</b></td>
				<td>RenameDataLicense( old_name <b>Text</b> , new_name <b>Text</b> ) : <i>Integer</i></td>
				<td colspan="3">Renames a Data License.
				<ul>
					<li><b>old_name</b> is expected to match an already registered license/version.</li>
					<li><b>new_name</b> must not match any already registered license/version so to respect the unique constraint.</li>
				</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td><b>SetDataLicenseUrl</b></td>
				<td>SetDataLicenseURL( license_name <b>Text</b> , url <b>Text</b> ) : <i>Integer</i></td>
				<td colspan="3">Sets or updates the URL corresponding to a Data License.
				<ul>
					<li><b>license_name</b> is expected to match an already registered license/version.</li>
					<li><b>url</b> is expected to be an URL pointing to the license's legal terms and conditions.</li>
				</ul><hr>
					Will return <b>1</b> on success; <b>0</b> on failure; <b>-1</b> on invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="advanced">miscellaneous advanced SQL functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>CloneTable</b></td>
				<td>CloneTable( db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> ) : <i>Integer</i><hr>
				CloneTable(  db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> , option_1 <i>Text</i> [ , ... , option_10 <i>Text</i> ] ) : <i>Integer</i></td>
				<td colspan="3">Will clone (i.e. create+copy) an origin table into a destination table: 
				the origin could be eventually located into some <i>attached</i> DB, but the destination is always
				assumed to be located into the primary DB.<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>db-prefix</b> corresponding to the origin; the primary DB always corresponds to the <i>main</i> prefix.<br>
					    Can be legitimately set to <b>NULL</b>, and in this case <b>MAIN</b> will be implicitly assumed.</b></b></li>
					<li><b>input_table</b> name of the origin table</li>
					<li><b>output_table</b> name of the destination table</li>
					<li><b>transaction</b> a <i>boolean</i> values stating if the whole operation has to be atomically confined
					within a monolithic SQL transaction</li>
				</ul></li>
				<li>Optional arguments: a maximum of 10 further options could be eventually be specified. Valid options are:
				<ul>
					<li><b>::with-foreign-keys::</b></li>
					<li><b>::with-triggers::</b></li>
					<li><b>::resequence::</b></li>
					<li><b>::append::</b></li>
					<li><b>::ignore::</b><i>column_name</i></li>
					<li><b>::cast2multi::</b><i>geometry_column</i></li>
				</ul></li>
				</ul>
				<hr>
				Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success. <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>CreateClonedTable</b></td>
				<td>CreateClonedTable( db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> ) : <i>Integer</i><hr>
				CreateClonedTable(  db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> , option_1 <i>Text</i> [ , ... , option_10 <i>Text</i> ] ) : <i>Integer</i></td>
				<td colspan="3">A strict derivative of <b>CloneTable()</b> accepting the same arguments with identical meaning.<br>
				The only difference is in that this second variant will just create the output Table completely avoiding to copy any row betweem the two tables. 
				<hr>
				Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success. <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>CheckDuplicateRows</b></td>
				<td>CheckDuplicateRows( table <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Will check if the given <b>table</b> does contain duplicate rows, i.e. rows presenting identical 
				values for all columns (ignoring any Primary Key column).
				<hr>
				Will return the total number of duplicate rows found.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>RemoveDuplicateRows</b></td>
				<td>RemoveDuplicateRows( table <i>Text</i> ) : <i>Integer</i><hr>
				RemoveDuplicateRows( table <i>Text</i> , transaction <i>Boolean</i> ) : <i>Integer</i></td>
				<td colspan="3">Will remove all duplicate rows from the given <b>table</b> preserving only a single occurrence.<br>
				The <i>optional</i> argument <b>transaction</b> determines if an internal SQL Transaction should be automatically
				started or not (the default setting if not explicitly overridden is <b>TRUE</b>).
				<hr>
				Will return the total number of deleted rows.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>ElementaryGeometries</b></td>
				<td>ElementaryGeometries( in_table <i>Text</i> , geom_column <i>Text</i> , out_table <i>Text</i> ,
				out_pk <i>Text</i> , out_multi_id <i>Text</i> ) : <i>Integer</i><hr>
				ElementaryGeometries( in_table <i>Text</i> , geom_column <i>Text</i> , out_table <i>Text</i> ,
				out_pk <i>Text</i> , out_multi_id <i>Text</i> , transaction <i>Boolean</i> ) : <i>Integer</i><hr>
				ElementaryGeometries( in_table <i>Text</i> , geom_column <i>Text</i> , out_table <i>Text</i> ,
				out_pk <i>Text</i> , out_multi_id <i>Text</i> , transaction <i>Boolean</i> , 
				option_1 <i>Text</i> [ , ... , option_10 <i>Text</i> ] ) : <i>Integer</i></td>
				<td colspan="3">Will create a new <b>out_table</b> directly corresponding to <b>in_table</b>.
				The output table will be arranged in such a way that each row will always contain an elementary Geometry;
				so each time that a <b>MULTI-type</b> Geometry is found in the input table it will be split into many
				distinct rows.
				<ul>
					<li><b>out_pk</b> is the name to be set for the output Primary Key, and <b>out_multi_id</b> is the name to be set for a second column within the output table 
						where to store the a zero-based index from which Geometry the Element-Geometry comes from, that together with the original Primary Key can be identified.<br>
						<u>Note</u>: both <i>out_pk</i> and <i>out_multi_id</i> must not exist in the given <i>in_table</i> table.</li>
					<li>The <i>optional</i> argument <b>transaction</b> determines if an internal SQL Transaction should be automatically
						started or not (the default setting if not explicitly overridden is <b>TRUE</b>).</li>
				</ul>
				Optional arguments: a maximum of 10 further options could be eventually be specified. Valid options are:
				<ul>
					<li><b>::ignore::</b><i>column_name</i><br>
					<u>Note</u>: the <b>geom-column</b> will never be ignored, even if explicitly requested to be.</li>
					<li><b>::cast2multi::</b><br>
					Will automatically apply a <b>CastToMulti ( geom_column )</b> directive.</li>
					<li>All references to mismatching options or not existinting columns will be silently discarded.</li>
				</ul>

				<hr>
				Will return the total number of rows inserted into the output table.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>DropGeoTable</b></td>
				<td>DropGeoTable( table <i>Text</i> ) : <i>Integer</i><hr>
				DropGeoTable( table <i>Text</i> , transaction <i>Boolean</i> ) : <i>Integer</i><hr>
				DropGeoTable( db-prefix <i>Text</i> , table <i>Text</i> ) : <i>Integer</i><hr>
				DropGeoTable( db-prefix <i>Text</i> , table <i>Text</i> , transaction <i>Boolean</i> ) : <i>Integer</i></td>
				<td colspan="3">Will completely remove a Geometry Table (or Spatial View) this including any eventual SpatialIndex,
				metadata and statistics definitions an alike.<br>
				The <i>optional</i> argument <b>transaction</b> determines if an internal SQL Transaction should be automatically
				started or not (the default setting if not explicitly overridden is <b>TRUE</b>).
				<hr>
				Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success..<br> 
				<b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>ImportSHP</b></td>
				<td>ImportSHP( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ImportSHP( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> [ , srid <i>Integer</i>  [ ,
				    geom_column <i>Text</i> [ , pk_column <i>Text</i> [ , geometry_type <i>Text</i> [ , coerce2D <i>Integer</i> 
				    [ , compressed <i>Integer</i> [ , spatial_index <i>Integer</i> [ , text_dates <i>Integer</i> 
				    [ , colname_case <i>Text</i> [ , update_statistics <i>Integer</i> [ , verbose <i>Integer</i> ] ] ] ] ] ] ] ] ] ] ] )
				    : <i>Integer</i></td>
				<td colspan="3">Will import an external Shapfile into an internal Table:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename</b> absolute or relative path leading to the Shapefile (omitting any <i>.shp</i>, <i>.shx</i> or <i>.dbf</i> suffix).</li>
					<li><b>table</b> name of the table to be created.</li>
................................................................................
						<i>POLYGON|Z|M|ZM</i>, <i>MULTIPOINT|Z|M|ZM</i>, <i>LINESTRING|Z|M|ZM</i>, <i>MULTIPOLYGON|Z|M|ZM</i>;
						 by default <i>AUTO</i>.</li>
					<li><b>coerce2D</b> boolean flag: casting to 2D or not; <i>0</i> by default.</li>
					<li><b>compressed</b> boolean flag; compressed geometries or not; <i>0</i> by default.</li>
					<li><b>spatial_index</b> boolean flag: immediately building a Spatial Index or not; <i>0</i> by default.</li>
					<li><b>text_dates</b> boolean flag: interpreting DBF dates as plaintext or not: <i>0</i> by default
					(i.e. as <i>Julian Day</i>).</li>
					<li><b>colname_case</b> one between:<ul>
						<li><i>LOWER</i> or <i>LOWERCASE</i>: all column names will be converted to lowercase (default option).</li>
						<li><i>UPPER</i> or <i>UPPERCASE</i>: all column names will be converted to uppercase.</li>
						<li><i>SAME</i> or <i>SAMECASE</i>: all column names will be left as they are.</li>
					</ul></li>
					<li><b>update_statistics</b> boolean flag: immediately updating Layer Statustics or not; <i>1</i> by default.</li>
					<li><b>verbose</b> boolean flag: verbose console output: <i>1</i> by default, you can explicitly pass <i>0</i>
					if you better whish a silent output.
				</ul></li>
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportSHP</b></td>
				<td>ExportSHP( table <i>Text</i> , geom_column <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ExportSHP( table <i>Text</i> , geom_column <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> , [ geom_type <i>Text</i>
				[ , colname_case <i>Text</i> ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will export an internal Table as an external Shapefile:
				<ul>
					<li><b>table</b> name of the table to be exported.</li>
					<li><b>geom_column</b> name of the Geometry column.</li>
					<li><b>filename</b> absolute or relative path leading to the Shapefile (omitting any <i>.shp</i>, <i>.shx</i> or <i>.dbf</i> suffix).</li>
					<li><b>charset</b> the character encoding adopted by the DBF member, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>
					<li>the optional argument <b>geom_type</b> is useful when exporting unregistered Geometries, and
					can be one between: <i>POINT</i>, <i>LINESTRING</i>, <i>POLYGON</i> or <i>MULTIPOINT</i>.</li>
					<li><b>colname_case</b> (optional argument) can be one between:<ul>
						<li><i>LOWER</i> or <i>LOWERCASE</i>: all column names will be converted to lowercase (default option).</li>
						<li><i>UPPER</i> or <i>UPPERCASE</i>: all column names will be converted to uppercase.</li>
						<li><i>SAME</i> or <i>SAMECASE</i>: all column names will be left as they are.</li>
					</ul></li>
				</ul>
				<hr>
				Will return the total number of exported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ImportDBF</b></td>
				<td>ImportDBF( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ImportDBF( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> [ , pk_column <i>Text</i>  
				    [ , text_dates <i>Integer</i> [ , colname_case <i>Text</i> ] ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will import an external DBF file into an internal Table:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename</b> absolute or relative path leading to the DBF (including the <i>.dbf</i> suffix).</li>
					<li><b>table</b> name of the table to be created.</li>
					<li><b>charset</b> the character encoding adopted by the DBF, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>
................................................................................
				</ul></li>
				<li>Optional arguments:
				<ul>
					<li><b>pk_column</b> name of a DBF column to be used in the Primary Key role; an <i>INTEGER AUTOINCREMENT</i> 
					PK will be created by default.</li>
					<li><b>text_dates</b> boolean flag: interpreting DBF dates as plaintext or not: <i>0</i> by default
					(i.e. as <i>Julian Day</i>).</li>
					<li><b>colname_case</b> one between:<ul>
						<li><i>LOWER</i> or <i>LOWERCASE</i>: all column names will be converted to lowercase (default option).</li>
						<li><i>UPPER</i> or <i>UPPERCASE</i>: all column names will be converted to uppercase.</li>
						<li><i>SAME</i> or <i>SAMECASE</i>: all column names will be left as they are.</li>
					</ul></li>
				</ul></li>
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportDBF</b></td>
				<td>ExportDBF( table <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> [ , colname_case <i>Text</i> ] ) : <i>Integer</i></td>
				<td colspan="3">Will export an internal Table as an external DBF file:
				<ul>
					<li><b>table</b> name of the table to be exported.</li>
					<li><b>filename</b> absolute or relative path leading to the DBF (including the <i>.dbf</i> suffix).</li>
					<li><b>charset</b> the character encoding adopted by the DBF, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>
					<li><b>colname_case</b> (optional argument) can be one between:<ul>
						<li><i>LOWER</i> or <i>LOWERCASE</i>: all column names will be converted to lowercase (default option).</li>
						<li><i>UPPER</i> or <i>UPPERCASE</i>: all column names will be converted to uppercase.</li>
						<li><i>SAME</i> or <i>SAMECASE</i>: all column names will be left as they are.</li>
					</ul></li>
				</ul>
				<hr>
				Will return the total number of exported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportKML</b></td>
				<td>ExportKML( table <i>Text</i> , geo_column <i>Text</i> , filename <i>Text</i> ) : <i>Integer</i><hr>
................................................................................
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ImportWFS</b></td>
				<td>ImportWFS( filename_or_url <i>Text</i> , layer_name <i>Text</i> , table <i>Text</i> ) : <i>Integer</i><hr>
				ImportWFS( filename_or_url <i>Text</i> , layer_name <i>Text</i> , table <i>Text</i> [ , pk_column <i>Text</i>  
				    [ , swap_axes <i>Integer</i> [ , page_size <i>Integer</i> [ , spatial_index <i>Integer</i> ] ] ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will import data from a WFS datasource:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename_or_url</b> absolute or relative path leading to the WFS file.<br>
					Alternatively an URL corresponding to a WFS service.</li>
................................................................................
					and <b>text_rotation_col_name</b> must specify the corresponding <u>column names</u> within the resultset
					returned by <b>sql_query</b> (<i>label_col_name</i>, <i>text_height_col_name</i> and <i>text_rotation_col_name</i> could be eventually <b>NULL</b>).</li>
					<li><b>geom_filter</b> acts as a <u>spatial filter</u> selecting which entities have to be exported (could be <b>NULL</b>).</li>
					<li>the optional argument <b>precision</b> specificies how many <u>decimal digits</u> are required for coordinate values: if not specified the default is <b>3</b>.</li>
					</ul>
					Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success.<hr>
                    <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                    Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>		
			<tr><td><b>ST_Cutter()</b></td>
				<td>ST_Cutter( input-db-prefix <i>String</i> , input-table <i>String</i> , input-geometry <i>String</i> , blade-db-prefix <i>String</i> ,
				    blade-table <i>String</i> , blade-geom <i>String</i> , output-table <i>String</i>
				    [ , transaction <i>Boolean</i> [ , ram-temp-storage <i>Boolean</i> ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will precisely cut in a topological consistent way a whole <b>Input dataset</b> using a <b>Blade dataset</b> (i.e. an arbitrary <i>polygonal</i> dataset).<br>
				    All cut fragments will be stored into a further <b>Output dataset</b>, and all <i>mother-child relationships</i> will be fully preserved by saving the <i>Primary Key values</i> allowing
				    to trace back <i>Input</i> and <i>Blade</i> pairs giving birth to each single fragment.<br>
				    Any cut fragment stored into the <i>Output dataset</i> eventually falling outside any Blade will reference a conventional <b>NULL</b> Blade.
				    <ul>
                    <li>The <i>Input</i> dataset is always expected to declare a <b>Primary Key</b> and must declare a <i>POINT</i>, <i>LINESTRING</i>, <i>POLYGON</i>,
                    <i>MULTIPOINT</i>, <i>MULTILINESTRING</i> or <i>MULTIPOLYGON</i> Geometry type.<br>
                    It can be located either in the <b>MAIN</b> database or in any other <b>attached DB</b>, and must be fully identified by the <b>input-db-prefix</b>, 
                    <b>input-table</b> and <b>input-geometry</b> arguments.</li>
                    <li>The <i>Blade</i> dataset is always expected to be a <i>POLYGON</i> or <i>MULTIPOLYGON</i>, with a defined <b>Primary Key</b>.<br> 
                    It can be located either in the <b>MAIN</b> database or in any other <b>attached DB</b>, and is fully identified by the <b>blade-db-prefix</b>,
                    <b>blade-table</b> and <b>blade-geometry</b> arguments.<br>
                    <u>Note</u>: both the <i>Input</i> and <i>Blade</i> Geometries must have the same identical <i>SRID</i> value.</li>
                    <li>The <i>Output</i> dataset will be always created in the <b>MAIN</b> database.<br>
                    The Output Geometry will have the same name and SRID as the <b>input-geom</b>: the Geometry type will always be one of
                    <i>POINT</i>, <i>LINESTRING</i> or <i>POLYGON</i> (all cut fragments will be stored as simple features on distinct rows).</li>
					</ul>
					<ul>
					<li>Both the <b>input-db-prefix</b> and <b>blade-db-prefix</b> arguments could be set as <b>NULL</b>, where the <b>MAIN</b> database will then always be assumed.</li>
					<li>also the <b>input-geom</b> and <b>blade-geom</b> arguments can be set as <b>NULL</b>.<br>
					In such a case the appropriate Geometry column name will be chosen when only one Geometry column is defined, otherwise an exception will be raised.</li>
					<li>The <i>optional</i> argument <b>transaction</b> determines if an internal SQL Transaction should be automatically started or not (the default setting, if not explicitly overridden, is FALSE).</li>
					<li>The <i>optional</i> argument <b>ram-tmp-storage</b> determines if the intermediate <i>temporary tables</i> internally used by this function should be created in RAM or not 
					(the default setting if not explicitly overridden is FALSE).</li>
					</ul>
					Will return <b>-1</b> on invalid arguments, <b>0</b> on failure, <b>1</b> on full success and <b>2</b> on partial success (i.e.when the output table contains
					one or more <i>invalid geometries</i>).</td></tr>			
			<tr><td><b>GetCutterMessage()</b></td>
				<td>GetCutterMessage( <i>void</i> ) : <i>String</i></td>
				<td colspan="3">Will return the most <i>recent diagnostic message</i> emitted by <b>ST_Cutter()</b>.<br>
				<b>NULL</b> will be returned if no such message currently exists.</td></tr>			
			<tr><td><b>GetShapefileExtent()</b></td>
				<td>GetShapefileExtent( virtual_table_name <i>String</i> ) : <i>Geometry</i></td>
				<td colspan="3"><b>virtual_table_name</b> is expected to identify some Table of the <b>VirtualSHP</b> type.<br>
					An Envelope Geometry will be returned corresponding to the <b>Shapefile's Full Extent</b>;
				<b>NULL</b> will be returned if any error occurs (invalid argument type or not existing VirtualTable).</td></tr>	
			<tr><td><b>CreateRouting()</b></td>
				<td>CreateRouting( routing_data_table <i>String</i> , virtual_routing_table <i>String</i> , input_table <i>String</i> , from_column <i>String</i> , to_column <i>String</i> ,
				geom_column <i>String</i> , cost_column <i>String</i> ) : <i>Boolean</i><hr>
				CreateRouting( routing_data_table <i>String</i> , virtual_routing_table <i>String</i> , input_table <i>String</i> , from_column <i>String</i> , to_column <i>String</i> ,
				geom_column <i>String</i> , cost_column <i>String</i> , road_name_column <i>String</i> , a_star_enabled <i>Boolean</i> , bidirectional <i>Boolean</i> ) : <i>Boolean</i><hr>
				CreateRouting( routing_data_table <i>String</i> , virtual_routing_table <i>String</i> , input_table <i>String</i> , from_column <i>String</i> , to_column <i>String</i> ,
				geom_column <i>String</i> , cost_column <i>String</i> , road_name_column <i>String</i> , a_star_enabled <i>Boolean</i> , bidirectional <i>Boolean</i> , oneway_from <i>String</i> , 
				oneway_to <i>String</i> ) : <i>Boolean</i><hr>
				CreateRouting( routing_data_table <i>String</i> , virtual_routing_table <i>String</i> , input_table <i>String</i> , from_column <i>String</i> , to_column <i>String</i> ,
				geom_column <i>String</i> , cost_column <i>String</i> , road_name_column <i>String</i> , a_star_enabled <i>Boolean</i> , bidirectional <i>Boolean</i> , oneway_from <i>String</i> , 
				oneway_to <i>String</i> , overwrite <i>Boolean</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will attempt to create a <b>VirtualRouting Table</b> (and the corresponding <b>Routing Binary Data Table</b>) starting from a topologically correct <b>Road Network</b>.<br>
				<ul>
					<li><b>routing_data_table</b>: name of the Routing Binary Data Table to be created.</li>
					<li><b>virtual_routing_table</b>: name of the VirtualRouting Table to be created.</li>
					<li><b>input_table</b>: name of the input Table containing the Road Network.</li>
					<li><b>from_column</b>: name of the input Table column containing FromNode values.</li>
					<li><b>to_column</b>: name of the input Table column containing ToNode values.</li>
					<li><b>geom_column</b>: name of the input Table column containing Geometries.<br>
						Could be eventually <b>NULL</b> for Networks just describing relations but lacking any Spatial representation.</li>
					<li><b>cost_column</b>: name of the input Table column containing Cost values.<br>
						Could be eventually <b>NULL</b> and in this case <b>ST_Length(geom_column)</b> will be assumed to be the Cost: in the case of Networks based on some <i>Geographic Reference System</i>
						(<b>long/lat</b>, as e.g. <b>SRID=4326</b>) a precise measure of lengths expressed in <b>meters</b> will be computed by using <i>geodesic formulas</i>.</li>
					<li><b>road_name_column</b>: name of the input Table column containing Road Name values. Could be eventually <b>NULL</b>.</li>
					<li><b>a_star_enabled</b>: if the <b>A*</b> algorithm should be enabled or not (default: <b>1</b>).</li>
					<li><b>bidirectional</b>: if arcs/links should be considered uni- or bi-directionals (default: <b>0</b>).</li>
					<li><b>oneway_from</b>: name of the input Table column containing OneWay flags in the From-To direction. Could be eventually <b>NULL</b>.</li>
					<li><b>oneway_to</b>: name of the input Table column containing OneWay flags in the To-From direction. Could be eventually <b>NULL</b>.</li>
					<li><b>overwrite</b>: if set to <b>TRUE</b> already existing Routing Binary Data and/or VirtualRouting Tables will be silently overwritten (default: <b>0</b>).</li>
				</ul><hr>
				<b>1</b> (aka <b>TRUE</b>) will be returned on success, an <b>exception</b> will be raised on failure.</td></tr>
			<tr><td><b>CreateRoutingNodes()</b></td>
				<td>CreateRoutingNodes( db_prefix <i>String</i> , spatial_table <i>String</i> , geom_column <i>String</i> ,  node_from <i>String</i> , node_to <i>String</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will attempt to add both <b>node_from</b> and <b>nodes_to</b> columns to the Spatial Table identified by <b>db_prefix</b>, <b>spatial_table</b> and <b>geom_column</b>.
				These two columns will be populated by inserting appropriate <b>Node-IDs</b> (of the <i>INTEGER</i> type) fully respecting the topological consistency of the network.<br>
				<ul>
					<li><b>db_prefix</b> could be <b>NULL</b>, and in this case the <b>MAIN</b> DB is implicitly assumed.</li>
					<li>also <b>geom_column</b> could be <b>NULL</b>, and in this case the name of the Geometry column will be automatically detected if the Spatial Table has just a single Geometry.</li>
					<li><b>geom_column</b> must contain Geometries of the <b>LINESTRING</b> type.</li>
					<li>both <b>node_from</b> and <b>node_to</b> columns should not exist.</li>
				</ul><hr>
				<b>1</b> (aka <b>TRUE</b>) will be returned on success, an <b>exception</b> will be raised on failure.</td></tr>				
			<tr><td><b>CreateRouting_GetLastError()</b></td>
				<td>CreateRouting_GetLastError( <i>void</i> ) : <i>String</i></td>
				<td colspan="3">Will return the most <i>recent error message</i> emitted by <b>CreateRouting()</b> or <b>CreateRoutingNodes()</b>.<br>
				<b>NULL</b> will be returned if no such error message currently exists.</td></tr>	
			<tr><td><b>IsLowASCII()</b></td>
				<td>IsLowASCII( text_string <i>String</i> ) : <i>Integer</i></td>
				<td colspan="3">Inspects an <b>UTF-8</b> encoded <b>text_string</b> testing if it only contains <b>ASCII 7-bit</b> characters.<br>
                    The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
                    and -1 for UNKNOWN when called with invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="sqlproc">SQL Procedures, Stored Procedures and Stored Variables related SQL functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>SqlProc_GetLastError</b></td>
				<td>SqlProc_GetLastError( <i>void</i> ) : <i>String</i></td>
				<td colspan="3">Will return the most recent error message returned by SQL Procedures and friends (if any).<hr>
				<b>NULL</b> will be returned if there is no pending SQL Procedures error.</td></tr>
			<tr><td><b>SqlProc_SetLogfile</b></td>
				<td>SqlProc_SetLogfile( filepath <i>String</i> ) : <i>Integer</i><hr>
				    SqlProc_SetLogfile( filepath <i>String</i> , append <i>Boolean</i> ) : <i>Integer</i></td>
				<td colspan="3">Will activate a SQL Logfile supporting all following calls to <b>SqlProc_Execute()</b> and <b>StoredProc_Execute()</b>.
				<ul>
					<li>The <b>filepath</b> argument is expected to be a valid relative or absolute pathname; it could be set to <b>NULL</b> so to disable SQL Logging.</li>
					<li>The optional argument <b>append</b> if set to <b>TRUE</b> requires to open the Logfile for appending; if set to <b>FALSE</b> (default setting) the Logfile will be truncated.</li>
				</ul><hr>
				<b>1</b> will be returned on success; an exception will be raised on invalid argument or if the SQL Logfile can't be succesfully opened.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>SqlProc_GetLogfile</b></td>
				<td>SqlProc_GetLogfile( <i>void</i> ) : <i>String</i></td>
				<td colspan="3">Will return the pathname of the currently set SQL Logfile.<hr>
				<b>NULL</b> will be returned if no SQL Logfile is currently set.</td></tr>
			<tr><td><b>SqlProc_FromText</b></td>
				<td>SqlProc_FromText( sql_body <i>String</i> ) : <i>BLOB</i><hr>
				    SqlProc_FromText( sql_body <i>String</i>, charset_encoding <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">Will return a BLOB object of the Sql Procedure type encapsulating the given <b>SQL Body</b>.<br>
				If the optional second argument is explicitly specified the SQL Body will be automatically converted from the given <b>charset encoding</b> into <b>UTF-8</b>.<hr>
				<b>1</b> will be returned on success; an exception will be raised on failure or invalid arguments.</td></tr>	
			<tr><td><b>SqlProc_FromFile</b></td>
				<td>SqlProc_FromFile( filepath <i>String</i> ) : <i>BLOB</i><hr>
				    SqlProc_FromFile( filepath <i>String</i>, charset_encoding <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">Will return a BLOB object of the Sql Procedure type encapsulating the <b>SQL Body</b> loaded from the given <b>filepath</b>.<br>
				If the optional second argument is explicitly specified the SQL Body will be automatically converted from the given <b>charset encoding</b> into <b>UTF-8</b>.<hr>
				<b>1</b> will be returned on success; an exception will be raised on failure or invalid arguments.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>	
			<tr><td><b>SqlProc_IsValid</b></td>
				<td>SqlProc_IsValid( object <i>BLOB</i> ) : <i>Boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the passed BLOB is valid <b>SQL Procedure</b> object, otherwise <b>FALSE</b>.<hr>
				An exception will be raised on invalid argument.</td></tr>	
			<tr><td><b>SqlProc_NumVariables</b></td>
				<td>SqlProc_NumVariables( object <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">Returns the total number of <b>Variables</b> declared by the given <b>SQL Procedure</b> object.<hr>
				An exception will be raised on failure or invalid arguments.</td></tr>		
			<tr><td><b>SqlProc_VariableN</b></td>
				<td>SqlProc_VariableN( object <i>BLOB</i> , index <i>Integer</i> ) : <i>String</i></td>
				<td colspan="3">Returns the <b>symbolic name</b> of the <b>Nth</b> Variable declared by the given <b>SQL Procedure</b> object.<br>
				The first Variable always corresponds to <b>index=0</b>, and the last one to <b>SqlProc_NumVariables() - 1</b>.<hr>
				An exception will be raised on failure or invalid arguments.</td></tr>	
			<tr><td><b>SqlProc_AllVariables</b></td>
				<td>SqlProc_AllVariables( object <i>BLOB</i> ) : <i>String</i></td>
				<td colspan="3">Returns a space delimited list of all Variable <b>symbolic names</b> declared by the given <b>SQL Procedure</b> object.<hr>
				An exception will be raised on failure or invalid argument.</td></tr>
			<tr><td><b>SqlProc_VarValue</b></td>
				<td>SqlProc_VarValue( var_name <i>String</i> , var_value <i>NULL</i> ) : <i>String</i><hr>
					SqlProc_VarValue( var_name <i>String</i> , var_value <i>Integer</i> ) : <i>String</i><hr>
					SqlProc_VarValue( var_name <i>String</i> , var_value <i>Double</i> ) : <i>String</i><hr>
					SqlProc_VarValue( var_name <i>String</i> , var_value <i>Text</i> ) : <i>String</i><hr>
					SqlProc_VarValue( var_name <i>String</i> , var_value <i>BLOB</i> ) : <i>String</i></td>
				<td colspan="3">Returns a properly formatted <b>Variable with Value</b> Text string.<hr>
				An exception will be raised on failure or invalid argument.</td></tr>
			<tr><td><b>SqlProc_RawSQL</b></td>
				<td>SqlProc_RawSQL( object <i>BLOB</i> ) : <i>String</i></td>
				<td colspan="3">Returns the <b>raw SQL Body</b> declared by the given <b>SQL Procedure</b> object.<hr>
				An exception will be raised on failure or invalid argument.</td></tr>
			<tr><td><b>SqlProc_CookedSQL</b></td>
				<td>SqlProc_CookedSQL( object <i>BLOB</i> ) : <i>String</i><hr>
					SqlProc_CookedSQL( object <i>BLOB</i> , vararg <i>String</i> ) : <i>String</i><hr>
					SqlProc_CookedSQL( object <i>BLOB</i> , vararg1 <i>String</i> [ , ... ] , varargN <i>String</i> ) : <i>String</i></td>
				<td colspan="3">Returns the <b>cooked SQL Body</b> declared by the given <b>SQL Procedure</b> object after applying all <b>Variable Values</b>.<br>
				<i>Note:</i> this function accepts from <b>0</b> to <b>16</b> well-formed <b>Variable with Value</b> arguments; declaring twice or more the same Variable is considered to be a fatal error.<hr>
				An exception will be raised on failure or invalid arguments.</td></tr>
			<tr><td><b>SqlProc_Execute</b></td>
				<td>SqlProc_Execute( object <i>BLOB</i> ) : <i>Integer</i><hr>
					SqlProc_Execute( object <i>BLOB</i> , vararg <i>String</i> ) : <i>Integer</i><hr>
					SqlProc_Execute( object <i>BLOB</i> , vararg1 <i>String</i> [ , ... ] , varargN <i>String</i> ) : <i>Integer</i></td>
				<td colspan="3">Executes the <b>cooked SQL Body</b> declared by the given <b>SQL Procedure</b> object after applying all <b>Variable Values</b>.<br>
				<i>Note:</i> this function accepts from <b>0</b> to <b>16</b> well-formed <b>Variable with Value</b> arguments; declaring twice or more the same Variable is considered to be a fatal error.<hr>
				Will return <b>1</b> on success, an exception will be raised on failure or invalid arguments.</td></tr>
			<tr><td><b>SqlProc_Exit</b></td>
				<td>SqlProc_Exit( <i>void</i> ) : <i>Integer</i><hr>
					StoredProc_Exit( <i>void</i> ) : <i>Integer</i></td>
				<td colspan="3">
					Will notify a pending <b>EXIT</b> request to <b>SqlProc_Execute()</b> or <b>StoredProc_Execute()</b>;
					the internal execution loop will immediately stop and exit after completing the current SQL statement from the SQL Body.<br><br>
				<i>Notes:</i><ol>
					<li>These functions are completely effectless outside the specific execution context of <b>SqlProc_Execute()</b> or <b>StoredProc_Execute()</b>.</li>
					<li><b>SqlProc_Exit()</b> and <b>StoredProc_Exit()</b> are just <i>alias names</i>.
				</ol>
				Will return <b>1</b> on success, an exception will be raised on failure.</td></tr>
			<tr><td><b>StoredProc_CreateTables</b></td>
				<td>StoredProc_CreateTables( <i>void</i> ) : <i>Boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the <b>Stored Procedures and Variables tables</b> have been succesfully created or if they already exist, otherwise <b>FALSE</b>.</td></tr>
			<tr><td><b>StoredProc_Register</b></td>
				<td>StoredProc_Register( name <i>String</i> , title <i>String</i> , object <i>BLOB</i> ) : <i>Boolean</i></td>
				<td colspan="3">Registers a permanent <b>Stored Procedure</b>:
				<ul>
					<li><b>name</b> is expected to <b>uniquely identify</b> the Stored Procedure.</li>
					<li><b>title</b> is expected to specify a short description of the Stored Procedure intended scopes.</li>
					<li><b>object</b> is expected to be a valid BLOB of the <b>SQL Procedure</b> type created by <b>SqlProc_FromText()</b> or <b>SqlProc_FromFile()</b>.</li>
				</ul><hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>.	An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredProc_Get</b></td>
				<td>StoredProc_Get( name <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">Will return a <b>SQL Procedure</b> BLOB object from a <b>Stored Procedure</b>. <b>NULL</b> will be returned if the Stored Procedure does not exists.<hr>
				An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredProc_Delete</b></td>
				<td>StoredProc_Delete( name <i>String</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will delete a <b>Stored Procedure</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredProc_UpdateTitle</b></td>
				<td>StoredProc_UpdateTitle( name <i>String</i> , title <i>String</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will change the <b>Title</b> on the given <b>Stored Procedure</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredProc_UpdateSqlBody</b></td>
				<td>StoredProc_UpdateSqlBody( name <i>String</i> , object <i>BLOB</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will change the <b>SQL Body</b> on the given <b>Stored Procedure</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>	
			<tr><td><b>StoredProc_Execute</b></td>
				<td>StoredProc_Execute( name <i>String</i> ) : <i>Integer</i><hr>
					StoredProc_Execute( name <i>String</i> , vararg <i>String</i> ) : <i>Integer</i><hr>
					StoredProc_Execute( name <i>String</i> , vararg1 <i>String</i> [ , ... ] , varargN <i>String</i> ) : <i>Integer</i></td>
				<td colspan="3">Executes the given <b>Stored Procedure</b> after applying all <b>Variable Values</b>.<br>
				<i>Note:</i> this function accepts from <b>0</b> to <b>16</b> well-formed <b>Variable with Value</b> arguments; declaring twice or more the same Variable is considered to be a fatal error.<hr>
				Will return <b>1</b> on success, an exception will be raised on failure or invalid arguments.</td></tr>
			<tr><td><b>StoredVar_Register</b></td>
				<td>StoredVar_Register( name <i>String</i> , title <i>String</i> , value <i>NULL</i> ) : <i>Boolean</i><hr>
				    StoredVar_Register( name <i>String</i> , title <i>String</i> , value <i>Integer</i> ) : <i>Boolean</i><hr>
				    StoredVar_Register( name <i>String</i> , title <i>String</i> , value <i>Double</i> ) : <i>Boolean</i><hr>
				    StoredVar_Register( name <i>String</i> , title <i>String</i> , value <i>Text</i> ) : <i>Boolean</i><hr>
				    StoredVar_Register( name <i>String</i> , title <i>String</i> , value <i>BLOB</i> ) : <i>Boolean</i></td>
				<td colspan="3">Registers a permanent <b>Stored Variable</b>:
				<ul>
					<li><b>name</b> is expected to <b>uniquely identify</b> a Variable Name.</li>
					<li><b>title</b> is expected to specify a short description of the Stored Variable intended scopes.</li>
					<li><b>value</b> can be any data-type and will be automatically converted to its correspondined textual representation.</li>
				</ul><hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>.	An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredVar_Get</b></td>
				<td>StoredVar_Get( name <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">Will return a <b>Variable with Value</b> string from a <b>Stored Variable</b>. <b>NULL</b> will be returned if the Stored Variable does not exists.<hr>
				An exception will be raised on invalid arguments.</td></tr>			
			<tr><td><b>StoredVar_GetValue</b></td>
				<td>StoredVar_GetValue( name <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">Will return the <b>undecorated Value</b> string from a <b>Stored Variable</b>. <b>NULL</b> will be returned if the Stored Variable does not exists.<hr>
				An exception will be raised on invalid arguments.</td></tr>			
			<tr><td><b>StoredVar_Delete</b></td>
				<td>StoredVar_Delete( name <i>String</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will delete a <b>Stored Variable</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredVar_UpdateTitle</b></td>
				<td>StoredVar_UpdateTitle( name <i>String</i> , title <i>String</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will change the <b>Title</b> on the given <b>Stored Variable</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>		
			<tr><td><b>StoredVar_UpdateValue</b></td>
				<td>StoredVar_UpdateValue( name <i>String</i> , var_value <i>NULL</i> ) : <i>Boolean</i><hr>
				    StoredVar_UpdateValue( name <i>String</i> , var_value <i>Integer</i> ) : <i>Boolean</i><hr>
				    StoredVar_UpdateValue( name <i>String</i> , var_value <i>Double</i> ) : <i>Boolean</i><hr>
				    StoredVar_UpdateValue( name <i>String</i> , var_value <i>Text</i> ) : <i>Boolean</i><hr>
				    StoredVar_UpdateValue( name <i>String</i> , var_value <i>BLOB</i> ) : <i>Boolean</i></td>
				<td colspan="3">Will change the <b>Value</b> on the given <b>Stored Variable</b>.<hr>
				Returns <b>TRUE</b> on success, otherwise <b>FALSE</b>. An exception will be raised on invalid arguments.</td></tr>		
		</tbody></table>
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		<h2>SpatiaLite 4.3.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SQL functions reference list</h2>
		<a href="https://www.gaia-gis.it/fossil/libspatialite">back</a>
		<ul>
			<li><a href="#version">SQL Version Info [and build options testing] functions</a></li>
			<li><a href="#generic">Generic SQL utility functions</a></li>


			<li><a href="#math">SQL math functions</a></li>
			<li><a href="#error">SQL functions reporting GEOS / LWGEOM errors and warnings</a></li>
			<li><a href="#length_cvt">SQL length/distance unit-conversion functions</a></li>
			<li><a href="#dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></li>
			<li><a href="#blob">SQL utility functions for BLOB objects</a></li>
			<li><a href="#p0">SQL utility functions [non-standard] for geometric objects</a></li>
			<li><a href="#p1">SQL functions for constructing a geometric object given its Well-known Text Representation</a></li>
			<li><a href="#p2">SQL functions for constructing a geometric object given its Well-known Binary Representation</a></li>
			<li><a href="#p3">SQL functions for obtaining the Well-known Text / Well-known Binary Representation of a geometric object</a></li>
................................................................................
			<li><a href="#p7">SQL functions on type LineString</a></li>
			<li><a href="#p8">SQL functions on type Surface [Polygon or Ring]</a></li>
			<li><a href="#p9">SQL functions on type Polygon</a></li>
			<li><a href="#p10">SQL functions on type GeomCollection</a></li>
			<li><a href="#p11">SQL functions that test approximate spatial relationships via MBRs</a></li>
			<li><a href="#p12">SQL functions that test spatial relationships</a></li>
			<li><a href="#p13">SQL functions for distance relationships</a></li>

			<li><a href="#p14">SQL functions that implement spatial operators</a></li>
			<li><a href="#p14b">SQL functions that implement spatial operators [GEOS specific features]</a></li>
			<li><a href="#p14c">SQL functions that implement spatial operators [GEOS advanced features]</a></li>
			<li><a href="#p14d">SQL functions that implement spatial operators [LWGEOM features]</a></li>

			<li><a href="#p15">SQL functions for coordinate transformations</a></li>

			<li><a href="#p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></li>
			<li><a href="#p16metacatalog">SQL functions supporting the MetaCatalog and related Statistics</a></li>
			<li><a href="#p16style">SQL functions supporting SLD/SE Styled Layers</a></li>
			<li><a href="#p16isometa">SQL functions supporting ISO Metadata</a></li>
			<li><a href="#p16fdo">SQL functions implementing FDO/OGR compatibility</a></li>
			<li><a href="#p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></li>
			<li><a href="#p17">SQL functions for MbrCache-based queries</a></li>
			<li><a href="#p18">SQL functions for R*Tree-based queries (Geometry Callbacks)</a></li>
			<li><a href="#xmlBlob">SQL functions supporting XmlBLOB</a></li>
			<li><a href="#srid">SQL functions supporting SRID inspection</a></li>




			<li><a href="#advanced">miscellaneous advanced SQL functions</a></li>

		</ul>
		<table bgcolor="#e2eae2" border="1" cellpadding="2" cellspacing="2" width="100%">
			<tbody><tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="version">SQL Version Info [and build options testing] functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td colspan="3">returns the current <b>SpatiaLite</b> Target CPU as a text string</td></tr>
			<tr><td><b>freexl_version</b></td>
				<td>freexl_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>FreeXL</b> version as a text string<br>
					or NULL if FreeXL is currently unsupported</td></tr>
			<tr><td><b>proj4_version</b></td>
				<td>proj4_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>PROJ.4</b> version as a text string<br>
					or NULL if PROJ.4 is currently unsupported</td></tr>
			<tr><td><b>geos_version</b></td>
				<td>geos_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>GEOS</b> version as a text string<br>
					or NULL if GEOS is currently unsupported</td></tr>
			<tr><td><b>lwgeom_version</b></td>
				<td>lwgeom_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>LWGEOM</b> version as a text string<br>
					or NULL if LWGEOM is currently unsupported</td></tr>
			<tr><td><b>libxml2_version</b></td>
				<td>libxml2_version( void ) : <i>String</i></td>
				<td colspan="3">returns the current <b>LibXML2</b> version as a text string<br>
					or NULL if LibXML2 is currently unsupported</td></tr>
			<tr><td><b>HasIconv</b></td>
				<td>HasIconv( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>ICONV</b></td></tr>
			<tr><td><b>HasMathSQL</b></td>
				<td>HasMathSQL( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>MATHSQL</b></td></tr>
			<tr><td><b>HasGeoCallbacks</b></td>
				<td>HasGeoCallbacks( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>GEOCALLBACKS</b></td></tr>
			<tr><td><b>HasProj</b></td>
				<td>HasProj( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>PROJ</b></td></tr>
			<tr><td><b>HasGeos</b></td>
				<td>HasGeos( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>GEOS</b></td></tr>
			<tr><td><b>HasGeosAdvanced</b></td>
				<td>HasGeosAdvanced( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>GEOSADVANCED</b></td></tr>
			<tr><td><b>HasGeosTrunk</b></td>
				<td>HasGeosTrunk( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>GEOSTRUNK</b></td></tr>






			<tr><td><b>HasLwGeom</b></td>
				<td>HasLwGeom( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>LWGEOM</b></td></tr>
			<tr><td><b>HasLibXML2</b></td>
				<td>HasLibXML2( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>LibXML2</b></td></tr>
			<tr><td><b>HasEpsg</b></td>
				<td>HasEpsg( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>EPSG</b></td></tr>
			<tr><td><b>HasFreeXL</b></td>
				<td>HasFreeXL( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>FREEXL</b></td></tr>
			<tr><td><b>HasGeoPackage</b></td>
				<td>HasGeoPackage( void ) : <i>Boolean</i></td>
				<td colspan="3">TRUE if the underlaying library was built enabling <b>GeoPackage</b> support (<b>GPKG</b>)</b>)</td></tr>













			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="generic">Generic SQL functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CastToInteger</b></td>
				<td>CastToInteger( value <i>Generic</i> ) : <i>Integer</i></td>
				<td colspan="3">returns the intput value possibly casted to the Integer data-type: NULL if no conversion is possible.</td></tr>
			<tr><td><b>CastToDouble</b></td>
				<td>CastToDouble( value <i>Generic</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the intput value possibly casted to the Double data-type: NULL if no conversion is possible.</td></tr>
			<tr><td><b>CastToText</b></td>
				<td>CastToText( value <i>Generic</i> ) : <i>Text</i><hr>
				CastToText( value <i>Generic</i> , zero_pad <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">returns the intput value possibly casted to the Text data-type: NULL if no conversion is possible.<br>
				If an optional argument <b>zero_pad</b> is passed and the input value is of the Integer or Double type, then the returned string will be padded using as much trailing ZEROs so to ensure the required length.</td></tr>
			<tr><td><b>CastToBlob</b></td>
				<td>CastToBlob( value <i>Generic</i> ) : <i>Blob</i><hr>
                                CastToBlob( value <i>Generic</i> , hex_input <i>Boolean</i> ) : <i>Blob</i></td>
				<td colspan="3">returns the intput value possibly casted to the BLOB data-type:
                                if the optional argument <b>hex_input</b> is set to <b>TRUE</b> the input value will be expected to correspond to an HexaDecimal string, e.g. <b>01ab89EF</b>; if this assumption fails then NULL will be returned.<hr>
                                NULL if no conversion is possible.</td></tr>
			<tr><td><b>ForceAsNull</b></td>
				<td>ForceAsNull( val1 <i>Generic</i> , val2 <i>Generic</i>) : <i>Generic</i></td>
				<td colspan="3">if <b>val1</b> and <b>val2</b> are equal (and exactly of the same data-type) NULL will be returned; 
				otherwise <b>val1</b> will be returned absolutely untouched and still preserving its originale data-type.</td></tr>
			<tr><td><b>CreateUUID</b></td>
				<td>CreateUUID( void ) : <i>Text</i></td>
				<td colspan="3">returns a Version 4 (random) UUID (<a href="http://en.wikipedia.org/wiki/Universally_unique_identifier">Universally unique identifier</a>).</td></tr>
			<tr><td><b>MD5Checksum</b></td>
				<td>MD5Checksum( BLOB | TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the <a href="http://en.wikipedia.org/wiki/MD5">MD5 checksum</a> corresponding to the input value.<br>Will return <b>NULL</b> for non-BLOB or non-TEXT input.</td></tr>
			<tr><td><b>MD5TotalChecksum</b></td>
				<td>MD5TotalChecksum( BLOB | TEXT ) : <i>Text</i></td>
				<td colspan="3">returns a cumulative MD5 checksum.<br><b><u>aggregate function</u></b></td></tr>
			<tr><td><b>EncodeURL</b></td>

				<td>EncodeURL( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the <a href="http://en.wikipedia.org/wiki/Percent-encoding">percent encoded URL</a> corresponding to the input value.<br>Will return <b>NULL</b> for invalid input.</td></tr>





			<tr><td><b>DecodeURL</b></td>

				<td>DecodeURL( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns a plain URL from its corresponding percent encoding.<br>Will return <b>NULL</b> for invalid input.</td></tr>





			<tr><td><b>DirNameFromPath</b></td>
				<td>DirNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the Directory Name from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any simple path lacking a Directory.</td></tr>
			<tr><td><b>FullFileNameFromPath</b></td>
				<td>FullFileNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the Full File Name (including an eventual File Extension) from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name.</td></tr>
................................................................................
				<td>FileNameFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the File Name (excluding an eventual File Extension) from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name.</td></tr>
			<tr><td><b>FileExtFromPath</b></td>
				<td>FileExtFromPath( TEXT ) : <i>Text</i></td>
				<td colspan="3">returns the File Extension from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name or when no Extension is present.</td></tr>







			<tr><td><b>eval</b></td>
				<td>eval( X <i>TEXT</i> [ , Y <i>TEXT</i> ) : <i>Text</i></td>
				<td colspan="3">Evaluate the SQL text in <b>X</b>.  Return the results, using string <b>Y</b> as the separator.<br>
				If <b>Y</b> is omitted, use a single space character.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>




































































			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="math">SQL math functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Abs</b></td>
				<td>Abs( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the absolute value of <b>x</b></td></tr>
			<tr><td><b>Acos</b></td>
				<td>Acos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc cosine of <b>x</b>, that is, the value whose cosine is <b>x</b><br>
				returns NULL if <b>x</b> is not in the range -1 to 1</td></tr>
			<tr><td><b>Asin</b></td>
				<td>Asin( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc sine of <b>x</b>, that is, the value whose sine is <b>x</b><br>
				returns NULL if <b>x</b> is not in the range -1 to 1</td></tr>
			<tr><td><b>Atan</b></td>
				<td>Atan( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc tangent of <b>x</b>, that is, the value whose tangent is <b>x</b></td></tr>




			<tr><td><b>Ceil<br>Ceiling</b></td>
				<td>Ceil( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Ceiling( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the smallest integer value not less than <b>x</b></td></tr>
			<tr><td><b>Cos</b></td>
				<td>Cos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the cosine of <b>x</b>, where <b>x</b> is given in <u>radians</u></td></tr>
................................................................................
				<td colspan="3">returns the largest integer value not greater than <b>x</b></td></tr>
			<tr><td><b>Ln</b><br><b>Log</b></td>
				<td>Ln( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Log( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the natural logarithm of <b>x</b>; that is, the base-<b><i>e</i></b> logarithm of <b>x</b><br>
				If <b>x</b> is less than or equal to 0, then NULL is returned</td></tr>
			<tr><td><b>Log</b></td>
				<td>Log( b <i>Double precision</i> , x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the logarithm of <b>x</b> to the base <b>b</b><br>
				If <b>x</b> is less than or equal to 0, or if <b>b</b> is less than or equal to 1, then NULL is returned<hr>
				<b>Log(b, x)</b>  is equivalent to <b>Log(x)</b> / <b>Log(b)</b></td></tr>
			<tr><td><b>Log2</b></td>
				<td>Log2( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the base-2 logarithm of <b>x</b><hr>
				<b>Log2(x)</b>  is equivalent to <b>Log(x)</b> / <b>Log(2)</b></td></tr>
			<tr><td><b>Log10</b></td>
				<td>Log10( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the base-10 logarithm of <b>x</b><hr>
................................................................................
				<td colspan="3">returns the population variance of the input values (<i>square of the population standard deviation</i>)<br>
				<b><u>aggregate function</u></b></td></tr>
			<tr><td><b>Var_samp</b></td>
				<td>Var_samp( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the sample variance of the input values (<i>square of the sample standard deviation</i>)<br>
				<b><u>aggregate function</u></b></td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="error">SQL functions reporting GEOS / LWGEOM errors and warnings</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>GEOS_GetLastWarningMsg</b></td>
				<td>GEOS_GetLastWarningMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td colspan="2">Will return the most recent warning message returned by GEOS (if any).<hr>
................................................................................
				<td>GEOS_GetCriticalPointFromMsg( <i>void</i> ) : <i>Point</i><hr>
				GEOS_GetCriticalPointFromMsg( SRID <i>Integer</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td colspan="2">Will (possibly) return a Point Geometry extracted from the latest error / warning
				message returned by GEOS.<hr>
				<b>NULL</b> will be returned if there is no pending GEOS message, or if the current GEOS message
				doesn't contain a critical Point.</td></tr>
			<tr><td><b>LWGEOM_GetLastWarningMsg</b></td>
				<td>LWGEOM_GetLastWarningMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td colspan="2">Will return the most recent warning message returned by LWGEOM (if any).<hr>
				<b>NULL</b> will be returned if there is no pending LWGEOM warning.</td></tr>
			<tr><td><b>LWGEOM_GetLastErrorMsg</b></td>
				<td>LWGEOM_GetLastErrorMsg( <i>void</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td colspan="2">Will return the most recent error message returned by LWGEOM (if any).<hr>
				<b>NULL</b> will be returned if there is no pending LWGEOM error.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="length_cvt">SQL length/distance unit-conversion functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Kilometer</b></td>
				<td>CvtToKm( x <i>Double precision</i> ) : <i>Double precision</i><hr>
................................................................................
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>DD to DMS</b></td>
				<td>LongLatToDMS( longitude <i>Double precision</i> , latitude <i>Double precision</i> ) : <i>String</i></td>
				<td colspan="3">will return a DMS string (Degrees, Minutes and Seconds) starting from DD (Decimal Degrees) input coordinates<hr>
                                <b>NULL</b> will be returned on invalid input.</tr>
			<tr><td><b>DMS to DD</b></td>
				<td>LongitudeFromDMS( dms_expression <i>Sting</i> ) : <i>Double precision</i><hr>
                                    LatitudeFromDMS( dms_expression <i>Sting</i> ) : <i>Double precision</i></td>
				<td colspan="3">will return the DD coordinates from within a DMS expression<hr>
                                <b>NULL</b> will be returned on invalid input.</tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="blob">SQL utility functions for BLOB objects</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>IsZipBlob</b></td>
				<td>IsZipBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid ZIP-compressed file</td></tr>
			<tr><td><b>IsPdfBlob</b></td>
				<td>IsPdfBlob( content <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid PDF document</td></tr>
			<tr><td><b>IsGifBlob</b></td>
				<td>IsGifBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid GIF image</td></tr>
			<tr><td><b>IsPngBlob</b></td>
				<td>IsPngBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid PNG image</td></tr>
			<tr><td><b>IsTiffBlob</b></td>
				<td>IsTiffBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid TIFF image</td></tr>
			<tr><td><b>IsJpegBlob</b></td>
				<td>IsJpegBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid JPEG image</td></tr>
			<tr><td><b>IsExifBlob</b></td>
				<td>IsExifBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid EXIF image<br>
					<u>Please note:</u> any valid EXIF image is a valid JPEG as well</td></tr>
			<tr><td><b>IsExifGpsBlob</b></td>
				<td>IsExifGpsBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid EXIF-GPS image<br>
					<u>Please note:</u> any valid EXIF-GPS image is a valid EXIF and JPEG as well</td></tr>
			<tr><td><b>IsWebpBlob</b></td>
				<td>IsWebpBlob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid WebP image</td></tr>
			<tr><td><b>IsJP2Blob</b></td>
				<td>IsJP2Blob( image <i>BLOB</i> ) : <i>Integer</i></td>
				<td colspan="3">The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL or not-BLOB argument.<hr>
					TRUE if this BLOB object corresponds to a valid JP2 [Jpeg2000] image</td></tr>
			<tr><td><b>GetMimeType</b></td>
				<td>GetMimeType( payload <i>BLOB</i> ) : <i>String</i></td>
				<td colspan="3">The return type is Text, and could be one of: <b>image/gif</b>, <b>image/png</b>,
					<b>image/jpeg</b>, <b>image/jp2</b>, </b></v><b>image/tiff</b>, <b>image/svg+xml</b>, <b>application/xml</b>,
					<b>application/zip</b>,	<b>application/pdf</b>.<br>
					NULL could be returned for an invalid argument or if no valid mime-type is detected.</td></tr>



















			<tr><td><b>BlobFromFile</b></td>
				<td>BlobFromFile( filepath <i>String</i> ) : <i>BLOB</i></td>
				<td colspan="3">If <i>filepath</i> corresponds to some valid pathname, and the corresponding file
					can be actually accessed in read mode, then the whole file content will be returned as a
					BLOB value.<br>
					Otherwise NULL will be returned.<br>
					<u>Please note:</u> SQLite doesn't support BLOB values bigger than SQLITE_MAX_LENGTH (usually, 1 GB).<hr>
                                        <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                                        Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>BlobToFile</b></td>
				<td>BlobToFile( payload <i>BLOB</i> , filepath <i>String</i> ) : <i>Integer</i></td>
				<td colspan="3">If <i>payload</i> is of the BLOB-type, and if <i>filepath</i> corresponds to some valid pathname 
					(accessible in write/create mode), then the corresponding file will be created/overwritten so to
					contain the <i>payload</i>.<br>
					The return type is Integer, with a return value of 1 for success, 0 for failure.<hr>
                                        <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                                        Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>CountUnsafeTriggers</b></td>
				<td>CountUnsafeTriggers( ) : <i>Integer</i></td>
				<td colspan="3">This SQL function checks if the currently connected DB does contain any potentially malicious Trigger;
					carefully checking this conditions is a minimal precaution expected to be always verified before eventually activating the <b>SPATIALITE_SECURITY=relaxed</b> mode.<hr>
					The return type is Integer (total count of suspected Triggers); 0 means that the currently connected DB should be considered absolutely safe.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p0">SQL utility functions [<i>non-standard</i>] for geometric objects</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>GeomFromExifGpsBlob</b></td>
				<td>GeomFromExifGpsBlob( image <i>BLOB</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>a POINT Geometry will be returned representing the GPS long/lat contained within EXIF-GPS <i>metadata</i>
				for the BLOB image<hr>
				NULL will be returned if for any reason it's not possible to build such a POINT</td></tr>
			<tr><td><b>ST_Point</b></td>
				<td>ST_Point( x <i>Double precision</i> , y <i>Double precision</i>  ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>simply an alias-name for <b>MakePoint()</b><br>
				<u>Please note</u>: the <u>SRID</u> argument is never supported by <u>ST_Point()</u></td></tr>
			<tr><td><b>MakePoint</b></td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a closed LINESTRING approximating the Circle defined by <b>cx, cy</b> and <b>radius</b>.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the circumference; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
                        <tr><td><b>MakeEllipse</b></td>
				<td>MakeEllipse( cx <i>Double precision</i> , cy <i>Double precision</i> ,
				x_axis <i>Double precision</i> , y_axis <i>Double precisin</i> [ , SRID <i>Integer</i> [ , 
                                step <i>Double precision</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a closed LINESTRING approximating the Ellipse defined by <b>cx, cy</b> and <b>x_axis, y_axis</b>.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the ellipse; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
                        <tr><td><b>MakeArc</b></td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>will return a POLYGON approximating the Circular Stripe delimited by two arcs sharing the same Centre [<b>cx</b>, <b>cy</b>]
                                but having different radii [<b>radius_1</b>, <b>radius_2</b>]; the arc's extremities will be defined by <b>start, stop</b> angles expressed in degrees.<br>
                                The optional argument <b>step</b> if specified defines how many points will be interpolated on the circumference; a point will be set every <b>step</b> degrees.<br>
                                The implicit default setting corresponds to a point every <u>10</u> degrees.</td></tr>
			<tr><td><b>SquareGrid</b></td>
				<td>SquareGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_SquareGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of square cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The returned Geometry will usually be of the <b>MultiPolygon</b> type (a collection of Squares), but will be a <b>MultiLinestring</b> if the optional <b>edges_only</b> argument is set to <b>TRUE</b><br>





                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>TriangularGrid</b></td>
				<td>TriangularGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_TriangularGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of triangular cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The returned Geometry will usually be of the <b>MultiPolygon</b> type (a collection of Squares), but will be a <b>MultiLinestring</b> if the optional <b>edges_only</b> argument is set to <b>TRUE</b><br>





                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>HexagonalGrid</b></td>
				<td>HexagonalGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i><hr>
                                    ST_HexagonalGrid( geom <i>ArealGeometry</i> , size <i>Double precision</i> [ , edges_only <i>Boolean</i> , [ origing <i>PointGeometry</i> ] ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a grid of hexagonal cells (having the edge length of <i>size</i>) precisely covering the input Geometry.<br>
                                The returned Geometry will usually be of the <b>MultiPolygon</b> type (a collection of Squares), but will be a <b>MultiLinestring</b> if the optional <b>edges_only</b> argument is set to <b>TRUE</b><br>





                                If the optional <b>origin</b> argument (expected to be a Point) is not specified then the (0,0) grid origin will be assumed by default.<hr>
				NULL will be returned if any error is encountered.</td></tr>
			<tr><td><b>BuildMbr</b></td>
				<td>BuildMbr( x1 <i>Double precision</i> , y1 <i>Double precision</i> ,
				x2 <i>Double precision</i> , y2 <i>Double precision</i> [ , SRID <i>Integer</i>] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the SVG [<i>Scalable Vector Graphics</i>] representation</td></tr>
			<tr><td><b>AsKml</b></td>
				<td>AsKml( geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i><br>
				AsKml( name <i>String</i>, description <i>String</i>, geom <i>Geometry</i> [ , precision <i>Integer</i> ] ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ.4</td>
				<td>returns the KML [<i>Keyhole Markup Language</i>] representation<br>
				The first form will simply generate the geometry element: the second form will generate a complete KML entity</td></tr>
			<tr><td><b>GeomFromKml</b></td>
				<td>GeomFromKml( KmlGeometry <i>String</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its KML Representation</td></tr>	
................................................................................
				<td>returns the EWKT [<i>Extended Well Known Text</i>] representation (PostGIS compatibility)</td></tr>
			<tr><td><b>GeomFromEWKT</b></td>
				<td>GeomFromEWKT( ewktGeometry <i>String</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its EWKT Representation</td></tr>	
			<tr><td><b>AsFGF</b></td>
				<td>AsFGF( geom <i>Geometry</i> ) : <i>Binary</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the FGF [<i>FDO Geometry Binary Format</i>] representation</td></tr>







			<tr><td><b>GeomFromFGF</b></td>
				<td>GeomFromFGF( fgfGeometry <i>Binary</i> [ , SRID <i>Integer</i>] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>construct a geometric object given its FGF binary Representation</td></tr>










































			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p4">SQL functions on type Geometry</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
					<b>2</b>, <b>3</b> or <b>4</b></td></tr>
			<tr><td><b>Is3D</b></td>
				<td>ST_Is3D( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Checks if <i>geom</i> has the Z dimension.<br>
                                    The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
                                    and -1 for UNKNOWN corresponding to a function invocation on invalid arguments.</td></tr>
			<tr><td><b>IsMeasured</b></td>
				<td>ST_IsMeasured( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Check if <i>geom</i> has the M dimension.<br>
                                    The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
                                    and -1 for UNKNOWN corresponding to a function invocation on invalid arguments.</td></tr>
			<tr><td><b>GeometryType</b></td>
				<td>GeometryType( geom <i>Geometry</i> ) : <i>String</i><hr>
					ST_GeometryType( geom <i>Geometry</i> ) : <i>String</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the name of the instantiable subtype of Geometry of which this geometric object is a member, as a string</td></tr>
			<tr><td><b>SRID</b></td>
				<td>SRID( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_SRID( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns the Spatial Reference System ID for this geometric object</td></tr>
			<tr><td><b>SetSRID</b></td>
				<td>SetSRID( geom <i>Geometry</i> , SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>directly sets the Spatial Reference System ID for this geometric object [no reprojection is applied]<hr>
					The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>IsEmpty</b></td>
				<td>IsEmpty( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_IsEmpty( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.<hr>
					TRUE if this geometric object corresponds to the empty set</td></tr>
			<tr><td><b>IsSimple</b></td>
				<td>IsSimple( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_IsSimple( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.<hr>
					TRUE if this geometric object is simple, as defined in the Geometry Model</td></tr>
			<tr><td><b>IsValid</b></td>
				<td>IsValid( geom <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_IsValid( geom <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.<hr>


					TRUE if this geometric object does  not contains any topological error</td></tr>
			<tr><td><b>IsValidReason</b></td>
				<td>IsValidReason( geom <i>Geometry</i> ) : <i>String</i><hr>
					ST_IsValidReason( geom <i>Geometry</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a TEXT string stating if a Geometry is valid and if not valid, a reason why.<hr>


					NULL will be returned on invalid arguments.</td></tr>
			<tr><td><b>IsValidDetail</b></td>
				<td>IsValidDetail( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_IsValidDetail( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Will return a Geometry detail (usually a <b>POINT</b>) causing invalidity.<hr>


					NULL will be returned on invalid arguments, or in the case of a valid Geometry.</td></tr>
			<tr><td><b>Boundary</b></td>
				<td>Boundary( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_Boundary( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>returns a geometric object that is the combinatorial boundary of g as defined in the Geometry Model</td></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Geometry [if a valid Geometry was supplied], or NULL in any other case.<hr>
                                    Any Linestring or Ring will be in reverse order (first vertex will be the last one,
                                    and last vertex will be the first one).</td></tr>
			<tr><td><b>ForceLHR</b></td>
				<td>ST_ForceLHR( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>







				<td>returns a new Geometry [if a valid Geometry was supplied], or NULL in any other case.<hr>
                                    Any Polygon Ring will be oriented accordingly to Left Hand Rule (Exterior
                                    Ring will be clockwise oriented, and Interior Rings will be counter-clockwise oriented).</td></tr>























			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="repair">SQL functions attempting to repair malformed Geometries</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a (possibly) sanitized Geometry [<i>if a valid Geometry was supplied</i>], or NULL in any other case<hr>
					<u>Please note</u>: current implementations only affects:<ul>
						<li>repeated vertices suppression</li>
						<li>Ring's closure enforcement</li>
					</ul></td></tr>



























			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="compress">SQL Geometry-compression functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CastToXY</b></td>
				<td>CastToXY( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XY</b>] space dimension</td></tr>
			<tr><td><b>CastToXYZ</b></td>
				<td>CastToXYZ( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYZ</b>] space dimension</td></tr>


			<tr><td><b>CastToXYM</b></td>
				<td>CastToXYM( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYZM</b>] space dimension</td></tr>


			<tr><td><b>CastToXYZM</b></td>
				<td>CastToXYZM( geom <i>Geometry</i> ) : geom <i>Geometry</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a Geometry using the [<b>XYZM</b>] space dimension</td></tr>



			<tr><td colspan="7" align="center" bgcolor="#f0f0c0">
				<h3><a name="p5">SQL functions on type Point</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				but they are by far quickest to compute</td></tr>
			<tr><td><b>IsClosed</b></td>
				<td>IsClosed( c <i>Curve</i> ) : <i>Integer</i><hr>
					ST_IsClosed( c <i>Curve</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments;<hr>
					return TRUE if c is closed, i.e., if StartPoint(c) = EndPoint(c)</td></tr>
			<tr><td><b>IsRing</b></td>
				<td>IsRing( c <i>Curve</i> ) : <i>Integer</i><hr>
					ST_IsRing( c <i>Curve</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.<hr>
					return TRUE if c is a ring, i.e., if c is closed and simple. A simple Curve does not pass through 
					the same Point more than once.</td></tr>
			<tr><td><b>PointOnSurface</b></td>
				<td>PointOnSurface( s <i>Surface/Curve</i> ) : <i>Point</i><hr>
					ST_PointOnSurface( s <i>Surface/Curve</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
................................................................................
				<td>return a Point guaranteed to lie on the Surface (or Curve)</td></tr>
			<tr><td><b>Simplify</b></td>
				<td>Simplify( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
                                ST_Simplify( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
				ST_Generalize( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a geometric object representing a simplified version of <i>c</i> applying the Douglas-Peukert 
algorithm with given <i>tolerance</i></td></tr>
			<tr><td><b>SimplifyPreserveTopology</b></td>
				<td>SimplifyPreserveTopology( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i><hr>
                                ST_SimplifyPreserveTopology( c <i>Curve</i> , tolerance <i>Double precision</i> ) : <i>Curve</i></td></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return a geometric object representing a simplified version of <i>c</i> applying the Douglas-Peukert 
algorithm with given <i>tolerance</i> and respecting topology</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p7">SQL functions on type LineString</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of Points in the LineString</td></tr>
			<tr><td><b>PointN</b></td>
				<td>PointN( line <i>LineString</i> , n <i>Integer</i> ) : <i>Point</i><hr>
					ST_PointN( line <i>LineString</i> , n <i>Integer</i> ) : <i>Point</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a Point containing Point n of line</td></tr>
			<tr><td><b>AddPoint</b></td>
				<td>AddPoint( line <i>LineString</i> , point <i>Point</i> [ , position <i>Integer</i> ] ) : <i>Linestring</i><hr>
					ST_AddPoint( line <i>LineString</i> , point <i>Point</i> [ , position <i>Integer</i> ] ) : <i>Linestring</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>returns a new Linestring by adding a new Point into the input Linestring immediately before <b>position</b> (zero-based index).<br>
                                A negative <b>position</b> (default) means appending the new Point to the end of the input Linestring.<br>
................................................................................
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>return the area of s</td></tr>
			<tr><td>Area( s <i>Surface</i> , use_ellipsoid <i>Boolean</i> ) : <i>Double precision</i><hr>
					ST_Area( s <i>Surface</i> , use_ellipsoid <i>Boolean</i> ) : <i>Double precision</i>
				</td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return the area of s (measured in meters).<br>
If the <b>use_ellipsoid</b> argument is set to <b>TRUE</b> the precise (but slower) area will be computed on the Ellipsoid, otherwise will be computed on the Sphere (approximative, but faster).<hr>
This function only supports Long/Lat coordinates, and will return NULL for any planar CRS</td></tr>

























			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p9">SQL functions on type Polygon</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of interiorRings</td></tr>
			<tr><td><b>InteriorRingN</b></td>
				<td>InteriorRingN( polyg <i>Polygon</i> , n <i>Integer</i> ) : <i>LineString</i><hr>
					ST_InteriorRingN( polyg <i>Polygon</i> , n <i>Integer</i> ) : <i>LineString</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the nth interiorRing. The order of Rings is not geometrically significant.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p10">SQL functions on type GeomCollection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the number of individual Geometries</td></tr>
			<tr><td><b>GeometryN</b></td>
				<td>GeometryN( geom <i>GeomCollection</i> , n <i>Integer</i> ) : <i>Geometry</i><hr>
					ST_GeometryN( geom <i>GeomCollection</i> , n <i>Integer</i> ) : <i>Geometry</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the nth geometric object in the collection.
					The order of the elements in the collection is not geometrically significant.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p11">SQL functions that test approximate spatial relationships via MBRs</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>MbrEqual</b></td>
				<td>MbrEqual( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if g1 and g2 have equal MBRs</td></tr>
			<tr><td><b>MbrDisjoint</b></td>
				<td>MbrDisjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 MBRs is the empty set</td></tr>
			<tr><td><b>MbrTouches</b></td>
				<td>MbrTouches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the only Points in common between g1 and g2 MBRs lie in the union of the boundaries of g1 and g2</td></tr>
			<tr><td><b>MbrWithin</b></td>
				<td>MbrWithin( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if g1 MBR is completely contained in g2 MBR</td></tr>
			<tr><td><b>MbrOverlaps</b></td>
				<td>MbrOverlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 MBRs results in a value of the same
					dimension as g1 and g2 that is different from both g1 and g2</td></tr>
			<tr><td><b>MbrIntersects</b></td>
				<td>MbrIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<br>
					convenience predicate: TRUE if the intersection of g1 and g2 MBRs is not empty</td></tr>
			<tr><td><b>EnvelopesIntersects</b></td>
				<td>ST_EnvIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
				    ST_EnvelopesIntersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
				    ST_EnvIntersects( geom1 <i>Geometry</i> , x1 <i>Double precision</i> , y1 <i>Double precision</i> , x2 <i>Double precision</i> , y2 <i>Double precision</i> ) : <i>Integer</i><hr>
				    ST_EnvelopesIntersects( geom1 <i>Geometry</i> , x1 <i>Double precision</i> , y1 <i>Double precision</i> , x2 <i>Double precision</i> , y2 <i>Double precision</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The first form simply is an <u>alias name</u> for <b>MbrIntersects</b>; the other form allows to define the second MBR by two extreme points [<b>x1, y1</b>] and [<b>x2, y2</b>].<br>
                                        The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on invalid arguments;<br>
					convenience predicate: TRUE if the intersection of both MBRs is not empty</td></tr>
			<tr><td><b>MbrContains</b></td>
				<td>MbrContains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<hr>
					convenience predicate: TRUE if g2 MBR is completely contained in g1 MBR</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p12">SQL functions that test spatial relationships</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
................................................................................
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Equals</b></td>
				<td>Equals( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Equals( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if g1 and g2 are equal</td></tr>
			<tr><td><b>Disjoint</b></td>
				<td>Disjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Disjoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 is the empty set</td></tr>
			<tr><td><b>Touches</b></td>
				<td>Touches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Touches( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the only Points in common between g1 and g2 lie in the union of the boundaries of g1 and g2</td></tr>
			<tr><td><b>Within</b></td>
				<td>Within( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Within( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if g1 is completely contained in g2</td></tr>
			<tr><td><b>Overlaps</b></td>
				<td>Overlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Overlaps( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 results in a value of the same
					dimension as g1 and g2 that is different from both g1 and g2</td></tr>
			<tr><td><b>Crosses</b></td>
				<td>Crosses( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Crosses( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments.<hr>
					TRUE if the intersection of g1 and g2 results in a value whose dimension is less 
					than the maximum dimension of g1 and g2 and the intersection value includes Points 
					interior to both g1 and g2, and the intersection value is not equal to either g1 or g2</td></tr>
			<tr><td><b>Intersects</b></td>
				<td>Intersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Intersects( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<br>
					convenience predicate: TRUE if the intersection of g1 and g2 is not empty</td></tr>
			<tr><td><b>Contains</b></td>
				<td>Contains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Contains( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<hr>
					convenience predicate: TRUE if g2 is completely contained in g1</td></tr>
			<tr><td><b>Covers</b></td>
				<td>Covers( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_Covers( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<hr>
					convenience predicate: TRUE if g1 completely covers g2</td></tr>
			<tr><td><b>CoveredBy</b></td>
				<td>CoveredBy( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i><hr>
					ST_CoveredBy( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 
					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<hr>
					convenience predicate: TRUE if g1 is completely covered by g2</td></tr>
			<tr><td><b>Relate</b></td>

				<td>Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , patternMatrix <i>String</i> ) : <i>Integer</i><hr>
					ST_Relate( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> , patternMatrix <i>String</i> ) : <i>Integer</i></td>
				<td align="center" bgcolor="#d0f0d0">X</td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>

				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, 

					and &#8211;1 for UNKNOWN corresponding to a function invocation on NULL arguments;<hr>
					returns TRUE if the spatial relationship specified by the patternMatrix holds</td></tr>





























			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p13">SQL functions for distance relationships</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<td>return the distance between geom1 and geom2 (measured in meters).<br>
If the <b>use_ellipsoid</b> argument is set to <b>TRUE</b> the precise (but slower) distance will be computed on the Ellipsoid, otherwise will be computed on the Great Cicle (approximative, but faster).<hr>
This function only supports Long/Lat coordinates, and will return NULL for any planar CRS</td></tr>
			<tr><td><b>PtDistWithin</b></td>
				<td>PtDistWithin( geom1 <i>Geometry</i> , geom2 <i>Geometry</i>, range <i>Double precision</i> [, use_spheroid <i>Integer</i> ] ) 
					: <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ.4</td>
				<td>return TRUE (1) if the distance between <i>geom1</i> and <i>geom2</i> is within the given range.<br>
				Usually distances are expressed in the length unit corresponding to the geoms own SRID:
				but if both geoms are simple POINTs and their SRID is 4326 (i.e. WGS84), then distances are
				expressed in <b>meters</b>.<br>
				In this later case the optional arg <i>use_spheroid</i> can be used to select the distance
				algorithm to be used: is <i>use_spheroid = 1</i> the slowest but most accurate <b>geodesic distance</b>
				will be evaluated: in any other case the simplest <b>great circle distance</b> will be used instead</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">




















































				<h3><a name="p14">SQL functions that implement spatial operators</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Intersection</b></td>
................................................................................
					end_fraction <i>Double precision</i> ) : <i>Curve</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Return a Linestring being a substring of the input one starting and ending at the given fractions of total 2d length.<br>
					Second and third arguments are expected to be in the range between <b>0.0</b> and <b>1.0</b>.<br>
					NULL is returned for invalid arguments</td></tr>
			<tr><td><b>ClosestPoint</b></td>
				<td>ClosesetPoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Point</i><hr>
					ST_ClosesetPoint( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Point</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Returns the Point on geom1 that is closest to geom2.<br>
					NULL is returned for invalid arguments (or if distance is ZERO)</td></tr>
			<tr><td><b>ShortestLine</b></td>
				<td>ShortestLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Curve</i><hr>
					ST_ShortestLine( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Curve</i></td>
................................................................................
				<td>UnaryUnion( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_UnaryUnion( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0d0">GEOS</td>
				<td>Exactely the same as <b><u>ST_Union</u></b>, but applied to a single Geometry.<br>
					(<i>set union of elementary Geometries within a MULTI- or GEOMETRYCOLLECTION complex Geometry</i>)<hr>
				NULL will be returned if any error is encountered</td></tr>





































			<tr><td><b>DissolveSegments</b></td>
				<td>DissolveSegments( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_DissolveSegments( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>a Geometry (actually corresponding to a <i>LINESTRING</i>, <i>MULTILINESTRING</i> or <i>GEOMETRYCOLLECTION</i>) 
				will be returned.<br>
................................................................................
			<tr><td><b>ExtractMultiPolygon</b></td>
				<td>ExtractMultiPolygon( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Given any arbitrary GEOMETRY will return a derived <b>MULTIPOLYGON</b> geometry.
				Sub-geometries not being of the <b>POLYGON</b> type will be ignored.<br>
				NULL will be returned if any error is encountered (or when no POLYGON is found).</td></tr>
			<tr><td><b>LocateAlongMeasure</b></td>
				<td>ST_Locate_Along_Measure( geom <i>Geometry</i> , m_value <i>Double precision</i> ) : <i>Geometry</i><hr>
				    ST_LocateAlong( geom <i>Geometry</i> , m_value <i>Double precision</i> ) : <i>Geometry</i></hr></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Return a derived geometry collection value with elements that match the specified measure.<br>
				NULL will be returned if any error is encountered (or when no element corresponding to the given measure is found).<br>
                                <u>Please note</u>: NULL will be returned if geom doesn't contain M-dimension, or if geom contains a Polygon, or if geom is a GeometryCollection.</td></tr>
			<tr><td><b>LocateBetweenMeasures</b></td>
				<td>ST_Locate_Between_Measures( geom <i>Geometry</i> , m_start <i>Double precision</i> , m_end <i>Double precision</i> ) : <i>Geometry</i><hr>
				    ST_LocateBetween( geom <i>Geometry</i> , m_start <i>Double precision</i> , m_end <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Return a derived geometry collection value with elements that match the specified range of measures.<br>
				NULL will be returned if any error is encountered (or when no element corresponding to the given range of measures is found).<br>
                                <u>Please note</u>: NULL will be returned if geom doesn't contain M-dimension, or if geom contains a Polygon, or if geom is a GeometryCollection.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14c">SQL functions that implement spatial operators<br>[GEOS advanced features]</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
					The input Geometry could have any arbitrary type; eventually all Linestring's / Polygon's vertices will be dissolved into Points, so to implicitly always get a MultiPoint.<br>
					The returned Geometry will always be of the <b>Polygon</b> or <b>MultiPolygon</b> type.<br>
                                        The default <b>factor</b> applies a <b>3&sigma;</b> filtering; by declaring some <i>lower</i> factor you can get a more aggressive filtering effect.<br>
                                        By setting the optional <b>allow_holes</b> argument to <b>TRUE</b> all <i>interior holes</i> will be preserved.<br>
                                        The optional argument <b>tolerance</b> is intended to normalize the input Geometry, suppressing repeated (or too close) Points.<br>
					NULL is returned on failure.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p14d">SQL functions that implement spatial operators<br>[LWGEOM features]</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>MakeValid</b></td>
				<td>MakeValid( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_MakeValid( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a geometric object representing the <i>repaired</i> version of the input Geometry.<br>
                                        If the input Geometry was already valid, then it will be returned exactly as it was.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>MakeValidDiscarded</b></td>
				<td>MakeValidDiscarded( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					ST_MakeValidDiscarded( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a geometric object containing all elements that would be eventually <i>discarded</i> by ST_MakeValid() while validating the same input Geometry.<br>
					NULL is returned on failure, or if no <i>discarded</i> item exists.</td></tr>
			<tr><td><b>Segmentize</b></td>
				<td>Segmentize( geom <i>Geometry</i>, dist <i>Double precision</i>  ) : <i>Geometry</i><hr>
					ST_Segmentize( geom <i>Geometry</i> , dist <i>Double precision</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a new Geometry corresponding to the input Geometry; as much Linestring / Ring vertices 
                                        as required will be eventually interpolated so to ensure that no segment will be longer than <i>dist</i>.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>Split</b></td>
				<td>Split( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_Split( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i>.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>SplitLeft</b></td>
				<td>SplitLeft( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_SplitLeft( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i> and falling on the <i>left side</i>.<br>
                                        All items not affected by the split operation (i.e. not intersecting the <i>blade</i>) will be returned into the <i>left</i> collection.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>SplitRight</b></td>
				<td>SplitRight( geom <i>Geometry</i>, blade <i>Geometry</i>  ) : <i>Geometry</i><hr>
					ST_SplitRight( geom <i>Geometry</i> , blade <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a new Geometry collecting all items resulting by splitting the input Geometry by the <i>blade</i> and falling on the <i>right side</i>.<br>
					NULL is returned on failure (or if the <i>right side</i> is empty).</td></tr>
			<tr><td><b>Azimuth</b></td>
				<td>Azimuth( pt1 <i>Geometry</i>, pt2 <i>Geometry</i>  ) : <i>Double precision</i><hr>
					ST_Azimuth( pt1 <i>Geometry</i> , pt2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return the angle (in radians) from the horizontal of the vector defined by <b>pt1</b> and <b>pt2</b>.<br>
                                        Both <b>pt1</b> and <b>pt2</b> are expected to be simple Points.<br>
					Starting since <u>4.1.0</u> if both points supports <u>long/lat</u> coords the returned Azimuth will be precisely computed on the ellipsoid.<br>
					NULL is returned on failure.<hr>
                                        On the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/2</td></tr>
			<tr><td><b>Project</b></td>
				<td>Project( start_point <i>Geometry</i>, distance <i>Double precision</i>, azimuth <i>Double precision</i>  ) : <i>Geometry</i><hr>
					ST_Project( start_point <i>Geometry</i>, distance <i>Double precision</i>, azimuth <i>Double precision</i>  ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return a new Point projected from a start point using a bearing and distance.<br>
                                        <b>start_point</b> is expected to be simple <u>long/lat</u> Point.<br>
					<b>distance</b> is expected to be measured in <u>meters</u>; <b>azimuth</b> (aka <u>bearing</u> or <u>heading</u>) has the same identical meaning as in <b>ST_Azimuth()</b>.<br>
					NULL is returned on failure or on invalid arguments.</td></tr>
			<tr><td><b>SnapToGrid</b></td>
				<td>SnapToGrid( geom <i>Geometry</i> , size <i>Double precision</i>  ) : <i>Geometry</i><br>
				        SnapToGrid( geom <i>Geometry</i> , size_x <i>Double precision</i> , size_y <i>Double precision</i> ) : <i>Geometry</i><br>
................................................................................
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a new Geometry corresponding to the input Geometry; all points and vertices will be snapped to the grid defined by its origin and size(s).<br>
                                        Removes all consecutive points falling on the same cell.<br>
                                        All collapsed geometries will be stripped from the returned Geometry.<br>
					NULL is returned on failure.</td></tr>
			<tr><td><b>GeoHash</b></td>
				<td>GeoHash( geom <i>Geometry</i> ) : <i>String</i><hr>
					ST_GeoHash( geom <i>Geometry</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>Return a GeoHash representation (geohash.org) of the geometry.<br>
                                    A GeoHash encodes a point into a text form that is sortable and searchable based on prefixing.<hr>








                                    ST_GeoHash will not work with geometries that are not in geographic (lon/lat) coordinates</td></tr>
			<tr><td><b>AsX3D</b></td>
				<td>AsX3D( geom <i>Geometry</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> ) : <i>String</i><br>
				AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> , refid <i>String</i> ) : <i>String</i><hr>
				ST_AsX3D( geom <i>Geometry</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> ) : <i>String</i><br>
				ST_AsX3D( geom <i>Geometry</i> , precision <i>Integer</i> , options <i>Integer</i> , refid <i>String</i> ) : <i>String</i>
</td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>Returns a geometry as an X3D XML formatted node element.</td></tr>
			<tr><td><b>MaxDistance</b></td>
				<td>MaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i><hr>
					ST_MaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return the max distance between geom1 and geom2</td></tr>
			<tr><td><b>3DDistance</b></td>
				<td>ST_3DDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return the 3D-distance between geom1 and geom2 (Z coordinates will be considered)</td></tr>
			<tr><td><b>3DMaxDistance</b></td>
				<td>ST_3DMaxDistance( geom1 <i>Geometry</i> , geom2 <i>Geometry</i> ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>return the max 3D-distance between geom1 and geom2 (Z coordinates will be considered)</td></tr>






			<tr><td><b>ST_Node</b></td>
				<td>ST_Node( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>Fully nodes a set of linestrings using the least possible number of nodes while preserving all of the input ones.<br>
                                <b>NULL</b> will be returned if the input Geometry isn't a set of linestrings or if any other error occurs.</td></tr>
			<tr><td><b>SelfIntersections</b></td>
				<td>SelfIntersections( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
                                	ST_SelfIntersections( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#f0d0f0">LWGEOM</td>
				<td>Returns a MultiPoint Geometry representing any self-intersection found within the input geometry
					[expected to be of the Linestring or MultiLinestring type].<br>
                                <b>NULL</b> will be returned for invalid arguments, or when no self-intersections were found.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p15">SQL functions for coordinate transformations</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Transform</b></td>
				<td>Transform( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i><br>
					ST_Transform( geom <i>Geometry</i> , newSRID <i>Integer</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0d0f0">PROJ.4</td>
				<td>return a geometric object obtained by reprojecting coordinates into the Reference System identified by newSRID</td></tr>











			<tr><td><b>SridFromAuthCRS</b></td>
				<td>SridFromAuthCRS( auth_name <i>String</i> , auth_SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the internal SRID corresponding to <b>auth_name</b> and <b>auth_SRID</b><br>
				<b>-1</b> will be returned if no such CRS is defined </td></tr>
			<tr><td><b>ShiftCoords</b><br><b>ShiftCoordinates</b></td>
................................................................................
					i.e. if xAxis is 0 (FALSE), then x-coordinates remains untouched; otherwise x-coordinates will be reflected</td></tr>
			<tr><td><b>SwapCoords</b><br><b>SwapCoordinates</b></td>
				<td>SwapCoords( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					SwapCoordinates( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by swapping x- and y-coordinates</td></tr>
































































































































































































































			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE
<ul>
	<li>if the <i>optional</i> argument <b>transaction</b> is set to <b>TRUE</b> the whole operation will be handled as a single <i>Transaction</i> (faster): the default setting is <b>transaction=FALSE</b> (slower, but safer).</li>
	<li>if the <i>optional</i> argument <b>mode</b> is not specified then any possible ESPG SRID definition will be inserted into the <b>spatial_ref_sys</b> table.</li>
	<li>if the <b>mode</b> arg <b>'WGS84'</b> (alias <b>'WGS84_ONLY'</b>) is specified, then only WGS84-related EPSG SRIDs will be inserted</li>
	<li>if the <b>mode</b> arg <b>'NONE'</b> (alias <b>'EMPTY'</b>) is specified, no EPSG SRID will be inserted at all</li>
</ul></td></tr>
















			<tr><td><b>InsertEpsgSrid</b></td>
				<td>InsertEpsgSrid( srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Attempts to insert into <b>spatial_ref_sys</b> the EPSG definition uniquely identified by <b>srid</b><br>
				[the corresponding EPSG SRID definition will be copied from the inlined dataset defined in <b>libspatialite</b>]<hr>
the return type is Integer, with a return value of 1 for success or 0 for failure</td></tr>
................................................................................
					<li>otherwise statistics will be updated only for Geometry Columns
						corresponding to the given table</li>
					</ul><hr>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE<hr>
				<u>Please note</u>: will effectively work only on behalf DB-files supporting the more recent metatables layout introduced 
				starting since version <b>4.x</b>; in any other case will always return an error and no action will happen.</td></tr>
		<tr><td><b>UpdateLayerStatistics</b></td>
				<td>UpdateLayerStatistics( [ void ) : <i>Integer</i><hr>
					UpdateLayerStatistics( table <i>String</i> [ , column <i>String</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Updates the internal Layer Statistics [Feature Count and Total Extent]<ul>
					<li>if no arguments are passed, then internal statistics will be updated 
						for any possible Geometry Column defined in the current DB</li>
					<li>otherwise statistics will be updated only for Geometry Columns
................................................................................
                                    if the Table/Layer only contains a single Geometry column passing the column name isn't strictly required.<br>
                                    The returned extent will be retrieved from the Statistics tables:<ul>
					<li>if the third argument <b>mode</b> is set to TRUEa <b>PESSIMISTIC</b>
                                            strategy will be applied, i.e. an attempt will be made in order to update the Statistics tables before returning the Envelope.</li>
					<li>otherwise the returned Envelope will simply reflect the current values stored into the Statics tables as they are (<b>OPTIMISTIC</b> strategy, adopted by default).</li>
					</ul><hr>
                                        NULL will be returned if any error occurs or if the required table isn't a Layer.</td></tr>
		<tr><td><b>CreateTopologyTables</b></td>
				<td>CreateTopologyTables( SRID <i>Integer</i> , dims : <i>String</i> ) : <i>Integer</i><hr>
					CreateTopologyTables( prefix <i>String</i> , SRID <i>Integer</i> , dims : <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Creates a set of <b>Topology</b> tables
				<ul>
					<li><b>SRID</b> argument is mandatory</li>
					<li><b>dims</b> argument must be <b>'XY'</b> or <b>'XYZ'</b>:<br>
						<b>2</b> or <b>3</b> are valid aliases</li>
					<li>the <i>optional</i> argument <b>prefix</b> can be used to support more Topology sets on the same DB:<br>
						if omitted a <b>"topo_"</b> prefix will be assumed by default</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure)</td></tr>
		<tr><td><b>CreateRasterCoveragesTable</b></td>
				<td>CreateRasterCoveragesTable( <i>void</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Creates the <b>raster_coverages</b> table required by <b>RasterLite-2</b><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure)</td></tr>
		<tr><td><b>CreateVectorCoveragesTables</b></td>
................................................................................
					<li>if the <i>optional</i> argument <b>relaxed</b> is explicitly set as <b>TRUE</b> then
					a <i>relaxed</i> version of the validating Triggers will be installed (not checking for strict <i><u>XSD schema validation</u></i>).</li>
					<li>if the <i>optional</i> argument <b>transaction</b> is explicitly set as <b>TRUE</b> then 
					the whole operation will be atomically confined within a monolithic SQL transaction</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.<hr>
<i>Please note</i>: will implicitly invoke <b>CreateRasterCoverages()</b> if the <b>raster_coverages</b> table has not yet been created.</td></tr>
		<tr><td><b>SE_RegisterVectorCoverage</b></td>
				<td>SE_RegisterVectorCoverage( coverage_name <i>String</i> , f_table_name <i>String</i> , f_geometry_column <i>Sting</i> ) : <i>Integer</i><hr>

					SE_RegisterVectorCoverage( coverage_name <i>String</i> , f_table_name <i>String</i> , f_geometry_column <i>Sting</i> , title <i>String</i> , abstract <i>String </i> ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Creates a <b>Vector Coverage</b> based on an already existing Spatial Table.
				<ul>
					<li><b>coverage_name</b> is the symbolic name uniquely identifying each Vector Coverage (<i>Primary Key</i>).</li>
					<li><b>f_table_name</b> and <b>f_geometry_column</b> are expected to match a corresponding entry in the <b>geometry_columns</b> table.</li>
					<li>the optional arguments <b>title</b> and <b>abstract</b> could be eventually specified for better human readability.</li>



































































				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorCoverage</b></td>
				<td>SE_UnregisterVectorCoverage( coverage_name <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
				<td>Completely removes an already defined <b>Vector Coverage</b> this including any furher depency; the underlying Spatial Table will be absolutely unaffected.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_SetVectorCoverageInfos</b></td>
				<td>SE_SetVectorCoverageInfos( coverage_name <i>String</i> , title <i>String</i> , abstract <i>String</i> ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates the descriptive infos associated to a <b>Vector Coverage</b>.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>title</b> and <b>abstract</b> represent the descriptive infos to be set.</li>














				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVectorCoverageSrid</b></td>
				<td>SE_RegisterVectorCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds an alternative <b>SRID</b> to an already defined Vector Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Vector Coverage.</li>
					<li><b>srid</b> is expected to match a corresponding entry in the <b>spatial_ref_sys</b> table.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorCoverageSrid</b></td>
				<td>SE_UnregisterVectorCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
					<li>if the optional <b>coverage_name</b> argument is set then only that single Vector Coverage will be updated; 
					otherwise all registered Vector Coverages will be processed in a single pass (may require a long time).</li>
					<li>if the optional <b>transaction</b> argument is set to <b>TRUE</b> then the whole operation will be internally
					handled as a single SQL Transaction.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>





















		<tr><td><b>SE_RegisterExternalGraphic</b></td>
				<td>SE_RegisterExternalGraphic( xlink_href <i>String</i> , resource <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_RegisterExternalGraphic( xlink_href <i>String</i> , resource <i>BLOB</i> , title <i>String</i> , abstract <i>String</i> , file_name <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Inserts (or updates) an <b>External Graphic Resource</b>.
				<ul>
					<li><b>xlink_href</b> uniquely identifies each Resource (<i>Primary Key</i>).</li>
					<li><b>resource</b> is expected to be a BLOB containing an <i>image/gif</i>, <i>image/png</i>, <i>image/jpeg</i> or <i>image/svg+xml</i> payload.</li>
					<li>the optional arguments <b>title</b>, <b>abstract</b> and <b>file_name</b> could be eventually specified for better human readability.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterExternalGraphic</b></td>
				<td>SE_UnregisterExternalGraphic( xlink_href <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterVectorStyle</b></td>
				<td>SE_UnregisterVectorStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterVectorStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Vector Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>VectorStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>VectorStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadVectorStyle</b></td>
				<td>SE_ReloadVectorStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadVectorStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Vector Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD/SE Style of the Vector type.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li></li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterVectorStyledLayer</b></td>
				<td>SE_RegisterVectorStyledLayer( coverage_name <i>String</i> , style_id <i>Integer</i> ) : <i>Integer</i><hr>
					SE_RegisterVectorStyledLayer( coverage_name <i>String</i> , style_name <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterRasterStyle</b></td>
				<td>SE_UnregisterRasterStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterRasterStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Raster Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>RasterStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>RasterStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadRasterStyle</b></td>
				<td>SE_ReloadRasterStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadRasterStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Raster Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD/SE Style of the Raster type.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li><
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterRasterStyledLayer</b></td>
				<td>SE_RegisterRasterStyledLayer( coverage_name <i>String</i> , style_id <i>Integer</i>  ) : <i>Integer</i><hr>
					SE_RegisterRasterStyledLayer( coverage_name <i>String</i> , style_name <i>Text</i>  ) : <i>Integer</i></td>
				<td></td>
................................................................................
		<tr><td><b>SE_RegisterRasterCoverageSrid</b></td>
				<td>SE_RegisterRasterCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Adds an alternative <b>SRID</b> to an already defined Raster Coverage.
				<ul>
					<li><b>coverage_name</b> must identify an existing Raster Coverage.</li>
					<li><b>srid</b> is expected to match a corresponding entry in the <b>spatial_ref_sys</b> table.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterRasterCoverageSrid</b></td>
				<td>SE_UnregisterRasterCoverageSrid( coverage_name <i>String</i> , srid <i>Integer</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
................................................................................
				<td>Updates the <b>Extent</b> boundary supporting a Raster Coverage, this including any eventually defined alternative SRID.
				<ul>
					<li>if the optional <b>coverage_name</b> argument is set then only that single Raster Coverage will be updated; 
					otherwise all registered Raster Coverages will be processed in a single pass (may require a long time).</li>
					<li>if the optional <b>transaction</b> argument is set to <b>TRUE</b> then the whole operation will be internally
					handled as a single SQL Transaction.</li>
				</ul><hr>





















the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_SetStyledGroupInfos</b></td>
				<td>SE_SetStyledGroupInfos( group_name <i>String</i> , title <i>String</i> , abstract <i>String</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Inserts (or updates) the descriptive infos associated to a <b>Styled Group</b>.
................................................................................
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The registered Style will be identified either by its unique <b>Style ID</b> or by its unique <b>Style Name</b> automatically retrieved from SLD/SE XML.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_UnregisterGroupStyle</b></td>
				<td>SE_UnregisterGroupStyle( style_id <i>Integer</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</i><hr>
					SE_UnregisterGroupStyle( style_name <i>Text</i> [ , remove_all <i>Integer</i> ] ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Removes an already registered <b>Group Style</b> definition.
				<ul>
					<li>The Style to be removed could be referenced either by its unique <b>Style Id</b> or by its <b>Style Name</b>.<br>
					Anyway any attempt to remove a Style identified by its <b>Name</b> will be rejected if the if two (or more) Styles share the same <b>Name</b> thus causing ambiguity.</li>
					<li>when the <i>optional</i> argument <b>remove_all</b> is explicitly set to <b>TRUE</b> the Style will be removed even if it's already referenced by some
................................................................................
					<b>RasterStyledLayer</b> and all dependings references will be removed at the same time.<br>
					In any other case any attempt to unregister a Style already referenced by one (or more) <b>RasterStyleLayer</b> will be rejected.</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_ReloadGroupStyle</b></td>
				<td>SE_ReloadGroupStyle( style_id <i>Integer</i> , style <i>BLOB</i> ) : <i>Integer</i><hr>
					SE_ReloadGroupStyle( style_name <i>Text</i> , style <i>BLOB</i> ) : <i>Integer</td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Updates an already existing <b>Group Style</b> definition.
				<ul>
					<li><b>style</b> is expected to be an XmlBLOB containing a valid SLD complex Style.<br>
					If <b>CreatedStylingTables()</b> was invoked without specifying the <i>relaxed</i> option this XmlBLOB is expected to have successfully passed a formal XML Schema Validation.<br>
					The updated Style will continue to be identified by its current unique <b>Style ID</b> but the <b>Style Name</b> will be automatically updated accordingly to SLD/SE XML.</li></li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE (success) or 0 for FALSE (failure): -1 will be
				returned on invalid arguments.</td></tr>
		<tr><td><b>SE_RegisterStyledGroupStyle</b></td>
				<td>SE_RegisterStyledGroupStyle( group_name <i>String</i> , style_id <i>Integer</i> ) : <i>Integer</i><hr>
					SE_RegisterStyledGroupStyle( group_name <i>String</i> , style_name <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
................................................................................
				<h3><a name="p16fdo">SQL functions implementing FDO/OGR compatibility</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CheckSpatialMetaData</b></td>
				<td>CheckSpatialMetaData( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Checks the Spatial Metadata type, then returning:<ul>

				<li><b>0</b> - if the <b>geometry_columns</b> or <b>spatial_ref_sys</b> table does not exists, or if their actual layout doesn't corresponds to any known implementation</li>
				<li><b>1</b> - if both tables exist, and their layout is the one previously used by <b>SpatiaLite legacy</b> (<i>older versions including 3.1.0 any earlier</i>)</li>
				<li><b>2</b> - if both tables exist, and their layout is the one used by <b>FDO/OGR</b></li>
				<li><b>3</b> - if both tables exist, and their layout is the one currently used by <b>SpatiaLite</b> (<i>4.0.0 or any subsequent version</i>)</li>
				<li><b>4</b> - if the DB layout is the one defined by the <b>OGC GPKG</b> specification (<i>GeoPackage</i>)</li>
				</ul></td></tr>


			<tr><td><b>AutoFDOStart</b></td>
				<td>AutoFDOStart( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the Spatial Metadata, then automatically creating/refreshing a <b>VirtualFDO</b>
				wrapper for each FDO/OGR geometry table<hr>
the return type is Integer [how many VirtualFDO tables have been created]</td></tr>


			<tr><td><b>AutoFDOStop</b></td>
				<td>AutoFDOStop( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the Spatial Metadata, then automatically destroying any <b>VirtualFDO</b>
				wrapper found<hr>
the return type is Integer [how many VirtualFDO tables have been destroyed]</td></tr>



			<tr><td><b>InitFDOSpatialMetaData</b></td>
				<td>InitFDOSpatialMetaData( void ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>Creates the <b>geometry_columns</b> and <b>spatial_ref_sys</b> metadata tables<br>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE<hr>
<u>Please note:</u> Spatial Metadata created using this function will have the FDO/OGR layout, and not the standard SpatiaLite layout</td></tr>
................................................................................
				<li><b>3</b> <i>POLYGON</i></li>
				<li><b>4</b> <i>MULTIPOINT</i></li>
				<li><b>5</b> <i>MULTILINESTRING</i></li>
				<li><b>6</b> <i>MULTIPOLYGON</i></li>
				<li><b>7</b> <i>GEOMETRYCOLLECTION</i></li>
				</ul><b>dimension</b> may be <b>2</b>, <b>3</b> or <b>4</b>, accordingly to OGR/FDO specs<br>
				<b>geometry_format</b> has to be one of the followings:<ul>
				<li>'WBT'</li>
				<li>'WKT'</li>
				<li>'FGF'</li>
				</ul><hr>
the return type is Integer, with a return value of 1 for TRUE or 0 for FALSE</td></tr>
			<tr><td><b>RecoverFDOGeometryColumn</b></td>
				<td>RecoverFDOGeometryColumn( table <i>String</i> , column <i>String</i> , srid <i>Integer</i> ,
geom_type <i>String</i> , dimension <i>Integer</i>, geometry_format <i>String</i> ) : <i>Integer</i></td>
................................................................................
				<h3><a name="p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>CheckGeoPackageMetaData</b></td>
				<td>CheckGeoPackageMetaData( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>This function will inspect the DB layout checking if it corresponds to the GPKG own style<hr>


the return type is Integer, with a return value of 1 for TRUE, 0 for FALSE</td></tr>
			<tr><td><b>AutoGPKGStart</b></td>
				<td>AutoGPKGStart( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will inspect the DB layout, then automatically creating/refreshing a <b>VirtualGPKG</b>
				wrapper for each GPKG geometry table<hr>
the return type is Integer [how many VirtualGPKG tables have been created]</td></tr>


			<tr><td><b>AutoGPKGStop</b></td>
				<td>AutoGPKGStop( void ) : <i>Integer</i></td>

				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will inspect the DB layout, then automatically destroying any <b>VirtualGPKG</b>
				wrapper found<hr>
the return type is Integer [how many VirtualGPKG tables have been destroyed]</td></tr>


			<tr><td><b>gpkgCreateBaseTables</b></td>
				<td>gpkgCreateBaseTables( void ) : <i>void</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>This function will create base tables for an "empty" GeoPackage<hr>
returns nothing on success, raises exception on error</td></tr>
			<tr><td><b>gpkgInsertEpsgSRID</b></td>
................................................................................
				<li><b>"jpeg"</b> for JPEG</li>
				<li><b>"tiff"</b> for TIFF</li>
				<li><b>"x-webp"</b> for WebP</li>
				</ul>
				These are the mime type for the image format (without the "image/" prefix).<hr>
				This function raises exception on error (e.g. wrong argument type).</td></tr>
			<tr><td><b>gpkgAddGeometryColumn</b></td>
				<td>gpkgAddGeomtryColumn( table_name <i>Sting</i>, geometry_column_name <i>String</i> , geometry_type <i>String</i> , 
					with_z <i>Integer</i> , with_m <i>Integer</i> , srs_id <i>Integer</i> ) : <i>void</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0ff">GeoPackage</td>
				<td>Adds a geometry column to the specified table:
				<ul>
					<li><b>geometry_type</b> is a normal WKT name:
						<ul>
................................................................................
                                If the input XmlBLOB is already uncompressed this one is a harmless no-op.<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object).</td></tr>
			<tr><td><b>XB_IsValid</b></td>
				<td>XB_IsValid( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsCompressed</b></td>
				<td>XB_IsCompressed( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsSchemaValidated</b></td>
				<td>XB_IsSchemaValidated( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsIsoMetadata</b></td>
				<td>XB_IsIsoMetadata( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsSldSeVectorStyle</b></td>
				<td>XB_IsSldSeVectorStyle( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsSldSeRasterStyle</b></td>
				<td>XB_IsSldSeRasterStyle( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_IsSvg</b></td>
				<td>XB_IsSvg( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>






			<tr><td><b>XB_GetDocumentSize</b></td>
				<td>XB_GetDocumentSize( xmlObject <i>XmlBLOB</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the size in bytes of the corresponding uncompressed XmlDocument.<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object).</td></tr>
			<tr><td><b>XB_GetEncoding</b></td>
................................................................................
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object), or when no Abstract is defined.<hr>Supported only on ISO Metadata and SLD/SE Styles.</td></tr>
			<tr><td><b>XB_GetGeometry</b></td>
				<td>XB_GetGeometry( xmlObject <i>XmlBLOB</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the Geometry (Bounding Box) defined within the XmlBLOB (if any).<hr>
				<b>NULL</b> will be returned for any invalid input (not a valid XmlBLOB object), or when no Bounding Box is defined.<hr>Supported only on ISO Metadata XML Documents.</td></tr>







			<tr><td><b>XB_GetLastParseError</b></td>
				<td>XB_GetLastParseError( <i>void</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the most recent XML parsing error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending parsing error.</td></tr>
			<tr><td><b>XB_GetLastValidateError</b></td>
................................................................................
				<td>Will return the most recent XML validating error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending validating error.</td></tr>
			<tr><td><b>XB_IsValidXPathExpression</b></td>
				<td>XB_IsValidXPathExpression( expr <i>Text</i> ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>The return type is Integer, with a return value of 1 for TRUE, 0 for FALSE, and &#8211;1 for UNKNOWN
					corresponding to a function invocation on NULL arguments.</td></tr>
			<tr><td><b>XB_GetLastXPathError</b></td>
				<td>XB_GetLastXPathError( <i>void</i> ) : <i>String</i></td>
				<td></td>
				<td align="center" bgcolor="#99d099">libxml2</td>
				<td>Will return the most recent XPath error (if any).<hr>
				<b>NULL</b> will be returned if there is no pending XPath error.</td></tr>
			<tr><td><b>XB_CacheFlush</b></td>
................................................................................
				<h3><a name="srid">SQL functions supporting SRID inspection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>SridIsGeographic</b></td>
				<td>SridIsGeographic( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Geographic</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridIsProjected</b></td>
				<td>SridIsProjected( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Projected</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridHasFlippedAxes</b></td>
				<td>SridHasFlippedAxes( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID requires a flipped Axes configuration: i.e. <b>Y,X</b> instead of the most usual <b>X.Y</b>;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetSpheroid</b></td>
				<td>SridGetSpheroid( SRID <i>Integer</i> ) : <i>Text</i><hr>
					SridGetEllipsoid( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Spheroid</b> name.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetPrimeMeridian</b></td>
................................................................................
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Name</b> for its <b>second</b> axis.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetAxis_2_Orientation</b></td>
				<td>SridGetAxis_2_Orientation( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Orientation</b> for its <b>second</b> axis.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">







































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































				<h3><a name="advanced">miscellaneous advanced SQL functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>CloneTable</b></td>
				<td>CloneTable( db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> ) : <i>Integer</i><hr>
				CloneTable(  db-prefix <i>Text</i> , input_table <i>Text</i> , output_table <i>Text</i> , 
				transaction <i>Integer</i> , option_1 <i>Text</i> [ , ... , option_10 <i>Text</i> ] ) : <i>Integer</i></td>
				<td colspan="3">Will clone (i.e. create+copy) an origin table into a destination table: 
				the origin could be eventually located into some <i>attached</i> DB, but the destination is always
				assumed to be located into the primary DB</b>.<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>db-prefix</b> corresponding to the origin; the primary DB always corresponds to the <i>main</i> prefix.</li>

					<li><b>input_table</b> name of the origin table</li>
					<li><b>output_table</b> name of the destination table</li>
					<li><b>transaction</b> a <i>boolean</i> values stating if the whole operation has to be atomically confined
					within a monolithic SQL transaction</li>
				</ul></li>
				<li>Optional arguments: a maximum of 10 further options could be eventually specified. Valid options are:
				<ul>
					<li><b>::with-foreign-keys::</b></li>
					<li><b>::with-triggers::</b></li>
					<li><b>::resequence::</b></li>
					<li><b>::append::</b></li>
					<li><b>::ignore::</b><i>column_name</i></li>
					<li><b>::cast2multi::</b><i>geometry_column</i></li>
				</ul></li>
				</ul>
				<hr>









				Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success. <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>CheckDuplicateRows</b></td>
				<td>CheckDuplicateRows( table <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Will check if the given <b>table</b> does contain duplicate rows, i.e. rows presenting identical 
				values for all columns (ignoring any Primary Key column).
				<hr>
				Will return the total number of duplicate rows found.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>RemoveDuplicateRows</b></td>
				<td>RemoveDuplicateRows( table <i>Text</i> ) : <i>Integer</i></td>

				<td colspan="3">Will remove all duplicate rows from the given <b>table</b> preserving only a songle occurrence.


				<hr>
				Will return the total number of deleted rows.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>ElementaryGeometries</b></td>
				<td>ElementaryGeometries( in_table <i>Text</i> , geom_column <i>Text</i> , out_table <i>Text</i> ,
				out_pk <i>Text</i> , out_multi_id <i>Text</i> ) : <i>Integer</i></td>





				<td colspan="3">Will create a new <b>out_table</b> directly corresponding to <b>in_table</b>.
				The output table will be arranged in such a way that each row will always contain an elementary Geometry;
				so each time that a <b>MULTI-type</b> Geometry is found in the input table it will be split into mamy
				distinct rows.<br>

				<b>out_pk</b> is the name to be set for the output Primary Key, and <b>out_multi_id</b> is the name to













				be set for a second column within the output table where to store the original Primary Key.
				<hr>
				Will return the total number of rows inserted into the output table.<br> <b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>DropGeoTable</b></td>
				<td>DropGeoTable( table <i>Text</i> ) : <i>Integer</i><hr>

				DropGeoTable( db-prefix <i>Text</i> , table <i>Text</i> ) : <i>Integer</i></td>

				<td colspan="3">Will completely remove a Geometry Table (or Spatial View) this including any eventual SpatialIndex,
				metadata and statistics definitions an alike.


				<hr>
				Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success..<br> 
				<b>NULL</b> will be returned on invalid arguments.</td></tr>
			<tr><td><b>ImportSHP</b></td>
				<td>ImportSHP( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ImportSHP( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> [ , srid <i>Integer</i>  [ ,
				    geom_column <i>Text</i> [ , pk_column <i>Text</i> [ , geometry_type <i>Text</i> [ , coerce2D <i>Integer</i> 
				    [ , compressed <i>Integer</i> [ , spatial_index <i>Integer</i> [ , text_dats <i>Integer</i> ] ] ] ] ] ] ] ] )

				    : <i>Integer</i></td>
				<td colspan="3">Will import an external Shapfile into an internal Table:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename</b> absolute or relative path leading to the Shapefile (omitting any <i>.shp</i>, <i>.shx</i> or <i>.dbf</i> suffix).</li>
					<li><b>table</b> name of the table to be created.</li>
................................................................................
						<i>POLYGON|Z|M|ZM</i>, <i>MULTIPOINT|Z|M|ZM</i>, <i>LINESTRING|Z|M|ZM</i>, <i>MULTIPOLYGON|Z|M|ZM</i>;
						 by default <i>AUTO</i>.</li>
					<li><b>coerce2D</b> boolean flag: casting to 2D or not; <i>0</i> by default.</li>
					<li><b>compressed</b> boolean flag; compressed geometries or not; <i>0</i> by default.</li>
					<li><b>spatial_index</b> boolean flag: immediately building a Spatial Index or not; <i>0</i> by default.</li>
					<li><b>text_dates</b> boolean flag: interpreting DBF dates as plaintext or not: <i>0</i> by default
					(i.e. as <i>Julian Day</i>).</li>








				</ul></li>
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportSHP</b></td>
				<td>ExportSHP( table <i>Text</i> , geom_column <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ExportSHP( table <i>Text</i> , geom_column <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> , geom_type <i>Text</i>) : <i>Integer</i></td>

				<td colspan="3">Will export an internal Table as an external Shapefile:
				<ul>
					<li><b>table</b> name of the table to be exported.</li>
					<li><b>geom_column</b> name of the Geometry column.</li>
					<li><b>filename</b> absolute or relative path leading to the Shapefile (omitting any <i>.shp</i>, <i>.shx</i> or <i>.dbf</i> suffix).</li>
					<li><b>charset</b> the character encoding adopted by the DBF member, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>
					<li>the optional argument <b>geom_type</b> is useful when exporting unregistered Geometries, and
					can be one between: <i>POINT</i>, <i>LINESTRING</i>, <i>POLYGON</i> or <i>MULTUPOINT</i>.</li>





				</ul>
				<hr>
				Will return the total number of exported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ImportDBF</b></td>
				<td>ImportDBF( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i><hr>
				ImportDBF( filename <i>Text</i> , table <i>Text</i> , charset <i>Text</i> [ , pk_column <i>Text</i>  
				    [ , text_dats <i>Integer</i> ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will import an external DBF file into an internal Table:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename</b> absolute or relative path leading to the DBF (including the <i>.dbf</i> suffix).</li>
					<li><b>table</b> name of the table to be created.</li>
					<li><b>charset</b> the character encoding adopted by the DBF, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>
................................................................................
				</ul></li>
				<li>Optional arguments:
				<ul>
					<li><b>pk_column</b> name of a DBF column to be used in the Primary Key role; an <i>INTEGER AUTOINCREMENT</i> 
					PK will be created by default.</li>
					<li><b>text_dates</b> boolean flag: interpreting DBF dates as plaintext or not: <i>0</i> by default
					(i.e. as <i>Julian Day</i>).</li>





				</ul></li>
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportDBF</b></td>
				<td>ExportDBF( table <i>Text</i> , filename <i>Text</i> , charset <i>Text</i> ) : <i>Integer</i></td>
				<td colspan="3">Will export an internal Table as an external DBF file:
				<ul>
					<li><b>table</b> name of the table to be exported.</li>
					<li><b>filename</b> absolute or relative path leading to the DBF (including the <i>.dbf</i> suffix).</li>
					<li><b>charset</b> the character encoding adopted by the DBF, as e.g. <i>UTF-8</i> or <i>CP1252</i></li>





				</ul>
				<hr>
				Will return the total number of exported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ExportKML</b></td>
				<td>ExportKML( table <i>Text</i> , geo_column <i>Text</i> , filename <i>Text</i> ) : <i>Integer</i><hr>
................................................................................
				</ul>
				<hr>
				Will return the total number of imported rows.<br> <b>NULL</b> will be returned on invalid arguments.<hr>
                <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
			<tr><td><b>ImportWFS</b></td>
				<td>ImportWFS( filename_or_url <i>Text</i> , layer_name <i>Text</i> , table <i>Text</i> ) : <i>Integer</i><hr>
				ImportXLS( filename_or_url <i>Text</i> , layer_name <i>Text</i> , table <i>Text</i> [ , pk_column <i>Text</i>  
				    [ , swap_axes <i>Integer</i> [ , page_size <i>Integer</i> [ , spatial_index <i>Integer</i> ] ] ] ] ) : <i>Integer</i></td>
				<td colspan="3">Will import data from a WFS datasource:
				<ul>
				<li>Mandatory arguments:
				<ul>
					<li><b>filename_or_url</b> absolute or relative path leading to the WFS file.<br>
					Alternatively an URL corresponding to a WFS service.</li>
................................................................................
					and <b>text_rotation_col_name</b> must specify the corresponding <u>column names</u> within the resultset
					returned by <b>sql_query</b> (<i>label_col_name</i>, <i>text_height_col_name</i> and <i>text_rotation_col_name</i> could be eventually <b>NULL</b>).</li>
					<li><b>geom_filter</b> acts as a <u>spatial filter</u> selecting which entities have to be exported (could be <b>NULL</b>).</li>
					<li>the optional argument <b>precision</b> specificies how many <u>decimal digits</u> are required for coordinate values: if not specified the default is <b>3</b>.</li>
					</ul>
					Will return <b>0</b> (i.e. <b>FALSE</b>) on failure, any other value (i.e. <b>TRUE</b>) on success.<hr>
                    <u>Please note well</u>: this SQL function open the doors to many potential security issues, and thus is always <i>disabled by default</i>.<br>
                    Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>	





























































































































































































































































		</tbody></table>

		<a href="https://www.gaia-gis.it/fossil/libspatialite">back</a>

	</body></html>

exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@

Name: spatialite
Description: Spatial SQL database engine based on SQLite
Version: @VERSION@
Libs: -L${libdir} -lspatialite
Cflags: -I${includedir}

exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@

Name: spatialite
Description: Spatial SQL database engine based on SQLite
Version: @VERSION@
Libs: -L${libdir} -lspatialite -lsqlite3 -lm -lz 
Cflags: -I${includedir}

	shapefiles \
	srsinit \
	connection_cache \
	virtualtext \
	wfs \
	dxf \
	md5 \
	control_points \
	cutter \
	topology \
	stored_procedures

AM_CPPFLAGS = @CFLAGS@ @CPPFLAGS@
AM_CPPFLAGS += -I$(top_srcdir)/src/headers
AM_CPPFLAGS += -I$(top_srcdir)

if MODULE_ONLY
lib_LTLIBRARIES = mod_spatialite.la
else
lib_LTLIBRARIES = libspatialite.la mod_spatialite.la
endif

libspatialite_la_SOURCES = versioninfo/version.c

libspatialite_la_LIBADD = ./gaiaaux/libgaiaaux.la \
	./gaiaexif/libgaiaexif.la \
	./gaiageo/libgaiageo.la \
	./geopackage/libgeopackage.la \
	./spatialite/libsplite.la \
	./shapefiles/libshapefiles.la \
	./dxf/libdxf.la \
	./md5/libmd5.la  \
	./control_points/libcontrol_points.la \
	./cutter/libcutter.la \
	./topology/libtopology.la \
	./srsinit/libsrsinit.la \
	./stored_procedures/libstored_procedures.la \
	./connection_cache/libconnection_cache.la \
	./virtualtext/libvirtualtext.la \
	./wfs/libwfs.la @LIBXML2_LIBS@

if MINGW
libspatialite_la_LDFLAGS = -version-info 4:4:0 -no-undefined
libspatialite_la_LIBADD += -lm
else 
if ANDROID
libspatialite_la_LDFLAGS = -version-info 8:1:1
libspatialite_la_LIBADD += -ldl -lm
else
libspatialite_la_LDFLAGS = -version-info 8:1:1
libspatialite_la_LIBADD += -lpthread -ldl -lm
endif
endif

mod_spatialite_la_SOURCES = versioninfo/version.c

mod_spatialite_la_LIBADD = ./gaiaaux/gaiaaux.la \
................................................................................
	./gaiageo/gaiageo.la \
	./geopackage/geopackage.la \
	./spatialite/splite.la \
	./shapefiles/shapefiles.la \
	./dxf/dxf.la \
	./md5/md5.la \
	./control_points/control_points.la \
	./cutter/cutter.la \
	./topology/topology.la \
	./srsinit/srsinit.la \
	./stored_procedures/stored_procedures.la \
	./connection_cache/connection_cache.la \
	./virtualtext/virtualtext.la \
	./wfs/wfs.la @LIBXML2_LIBS@

mod_spatialite_la_CPPFLAGS = @CFLAGS@ @CPPFLAGS@
mod_spatialite_la_CPPFLAGS += -I$(top_srcdir)/src/headers -I.
mod_spatialite_la_CPPFLAGS += -DLOADABLE_EXTENSION
mod_spatialite_la_LIBTOOLFLAGS = --tag=disable-static

if MINGW
mod_spatialite_la_LDFLAGS = -module -avoid-version -no-undefined
mod_spatialite_la_LIBADD += -lm
else 
if ANDROID
mod_spatialite_la_LDFLAGS = -module -version-info 8:0:1
mod_spatialite_la_LIBADD += -ldl -lm
else
mod_spatialite_la_LDFLAGS = -module -version-info 8:0:1
mod_spatialite_la_LIBADD += -lpthread -ldl -lm
endif
endif

MOSTLYCLEANFILES = *.gcna *.gcno *.gcda

	shapefiles \
	srsinit \
	connection_cache \
	virtualtext \
	wfs \
	dxf \
	md5 \
	control_points




AM_CPPFLAGS = @CFLAGS@
AM_CPPFLAGS += -I$(top_srcdir)/src/headers
AM_CPPFLAGS += -I$(top_srcdir)




lib_LTLIBRARIES = libspatialite.la mod_spatialite.la


libspatialite_la_SOURCES = versioninfo/version.c

libspatialite_la_LIBADD = ./gaiaaux/libgaiaaux.la \
	./gaiaexif/libgaiaexif.la \
	./gaiageo/libgaiageo.la \
	./geopackage/libgeopackage.la \
	./spatialite/libsplite.la \
	./shapefiles/libshapefiles.la \
	./dxf/libdxf.la \
	./md5/libmd5.la  \
	./control_points/libcontrol_points.la\


	./srsinit/libsrsinit.la \

	./connection_cache/libconnection_cache.la \
	./virtualtext/libvirtualtext.la \
	./wfs/libwfs.la @LIBXML2_LIBS@

if MINGW
libspatialite_la_LDFLAGS = -version-info 4:2:0 -no-undefined
libspatialite_la_LIBADD += -lm
else 
if ANDROID
libspatialite_la_LDFLAGS = -version-info 7:0:1
libspatialite_la_LIBADD += -ldl -lm
else
libspatialite_la_LDFLAGS = -version-info 7:0:1
libspatialite_la_LIBADD += -lpthread -ldl -lm
endif
endif

mod_spatialite_la_SOURCES = versioninfo/version.c

mod_spatialite_la_LIBADD = ./gaiaaux/gaiaaux.la \
................................................................................
	./gaiageo/gaiageo.la \
	./geopackage/geopackage.la \
	./spatialite/splite.la \
	./shapefiles/shapefiles.la \
	./dxf/dxf.la \
	./md5/md5.la \
	./control_points/control_points.la \


	./srsinit/srsinit.la \

	./connection_cache/connection_cache.la \
	./virtualtext/virtualtext.la \
	./wfs/wfs.la @LIBXML2_LIBS@

mod_spatialite_la_CPPFLAGS = @CFLAGS@
mod_spatialite_la_CPPFLAGS += -I$(top_srcdir)/src/headers -I.
mod_spatialite_la_CPPFLAGS += -DLOADABLE_EXTENSION
mod_spatialite_la_LIBTOOLFLAGS = --tag=disable-static

if MINGW
mod_spatialite_la_LDFLAGS = -module -avoid-version -no-undefined
mod_spatialite_la_LIBADD += -lm
else 
if ANDROID
mod_spatialite_la_LDFLAGS = -module -version-info 7:0:1
mod_spatialite_la_LIBADD += -ldl -lm
else
mod_spatialite_la_LDFLAGS = -module -version-info 7:0:1
mod_spatialite_la_LIBADD += -lpthread -ldl -lm
endif
endif

MOSTLYCLEANFILES = *.gcna *.gcno *.gcda

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	./geopackage/geopackage.la ./spatialite/splite.la \
	./shapefiles/shapefiles.la ./dxf/dxf.la ./md5/md5.la \
	./control_points/control_points.la ./cutter/cutter.la \
	./topology/topology.la ./srsinit/srsinit.la \
	./stored_procedures/stored_procedures.la \
	./connection_cache/connection_cache.la \
	./virtualtext/virtualtext.la ./wfs/wfs.la \
	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
	$(am__DEPENDENCIES_1)
am_mod_spatialite_la_OBJECTS =  \
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................................................................................
	shapefiles \
	srsinit \
	connection_cache \
	virtualtext \
	wfs \
	dxf \
	md5 \
	control_points \
	cutter \
	topology \
	stored_procedures

AM_CPPFLAGS = @CFLAGS@ @CPPFLAGS@ -I$(top_srcdir)/src/headers \
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libspatialite_la_LIBADD = ./gaiaaux/libgaiaaux.la \
	./gaiaexif/libgaiaexif.la ./gaiageo/libgaiageo.la \
	./geopackage/libgeopackage.la ./spatialite/libsplite.la \
	./shapefiles/libshapefiles.la ./dxf/libdxf.la ./md5/libmd5.la \
	./control_points/libcontrol_points.la ./cutter/libcutter.la \
	./topology/libtopology.la ./srsinit/libsrsinit.la \
	./stored_procedures/libstored_procedures.la \
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	$(am__append_1) $(am__append_2) $(am__append_3)
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@MINGW_TRUE@libspatialite_la_LDFLAGS = -version-info 4:4:0 -no-undefined
mod_spatialite_la_SOURCES = versioninfo/version.c
mod_spatialite_la_LIBADD = ./gaiaaux/gaiaaux.la ./gaiaexif/gaiaexif.la \
	./gaiageo/gaiageo.la ./geopackage/geopackage.la \
	./spatialite/splite.la ./shapefiles/shapefiles.la ./dxf/dxf.la \
	./md5/md5.la ./control_points/control_points.la \
	./cutter/cutter.la ./topology/topology.la ./srsinit/srsinit.la \
	./stored_procedures/stored_procedures.la \
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	./virtualtext/virtualtext.la ./wfs/wfs.la @LIBXML2_LIBS@ \
	$(am__append_4) $(am__append_5) $(am__append_6)
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@ANDROID_FALSE@@MINGW_FALSE@mod_spatialite_la_LDFLAGS = -module -version-info 8:0:1
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MOSTLYCLEANFILES = *.gcna *.gcno *.gcda
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mod_spatialite_la_DEPENDENCIES = ./gaiaaux/gaiaaux.la \
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Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
	@case '$?' in \
	  *config.status*) \
	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
	  *) \
	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
................................................................................
	-rm -f *.$(OBJEXT)

distclean-compile:
	-rm -f *.tab.c

@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloc_cache.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/connection_cache_la-alloc_cache.Plo@am__quote@



.c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
................................................................................
connection_cache_la-alloc_cache.lo: alloc_cache.c
@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(connection_cache_la_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(connection_cache_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT connection_cache_la-alloc_cache.lo -MD -MP -MF $(DEPDIR)/connection_cache_la-alloc_cache.Tpo -c -o connection_cache_la-alloc_cache.lo `test -f 'alloc_cache.c' || echo '$(srcdir)/'`alloc_cache.c
@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/connection_cache_la-alloc_cache.Tpo $(DEPDIR)/connection_cache_la-alloc_cache.Plo
@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='alloc_cache.c' object='connection_cache_la-alloc_cache.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(connection_cache_la_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(connection_cache_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o connection_cache_la-alloc_cache.lo `test -f 'alloc_cache.c' || echo '$(srcdir)/'`alloc_cache.c








mostlyclean-libtool:
	-rm -f *.lo

clean-libtool:
	-rm -rf .libs _libs

# This directory's subdirectories are mostly independent; you can cd
................................................................................
	install-pdf install-pdf-am install-ps install-ps-am \
	install-strip installcheck installcheck-am installdirs \
	installdirs-am maintainer-clean maintainer-clean-generic \
	mostlyclean mostlyclean-compile mostlyclean-generic \
	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
	uninstall-am




# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

/*
 alloc_cache.c -- Gaia spatial support for SQLite

 version 4.3, 2015 June 29

 Author: Sandro Furieri a.furieri@lqt.it

 ------------------------------------------------------------------------------
 
 Version: MPL 1.1/GPL 2.0/LGPL 2.1
 
................................................................................
for the specific language governing rights and limitations under the
License.

The Original Code is the SpatiaLite library

The Initial Developer of the Original Code is Alessandro Furieri
 
Portions created by the Initial Developer are Copyright (C) 2013-2015
the Initial Developer. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
................................................................................
*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>


#if defined(_WIN32) && !defined(__MINGW32__)
#include <windows.h>
#else
#include <pthread.h>
#endif

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
................................................................................

#include <spatialite.h>
#include <spatialite_private.h>
#include <spatialite/gg_advanced.h>
#include <spatialite/gaiamatrix.h>

#ifndef OMIT_GEOS		/* including GEOS */
#ifdef GEOS_REENTRANT
#ifdef GEOS_ONLY_REENTRANT
#define GEOS_USE_ONLY_R_API	/* only fully thread-safe GEOS API */
#endif
#endif
#include <geos_c.h>
#endif

#ifndef OMIT_PROJ		/* including PROJ.4 */
#include <proj_api.h>
#endif

#ifdef ENABLE_RTTOPO		/* including RTTOPO */
#include <librttopo.h>
#endif

#ifndef GEOS_REENTRANT		/* only when using the obsolete partially thread-safe mode */
#include "cache_aux_1.h"
#endif /* end GEOS_REENTRANT */

#ifdef _WIN32
#define strcasecmp	_stricmp
#endif /* not WIN32 */

/* GLOBAL variables */
extern char *gaia_geos_error_msg;
extern char *gaia_geos_warning_msg;

/* GLOBAL semaphores */
int gaia_already_initialized = 0;
#if defined(_WIN32) && !defined(__MINGW32__)
static CRITICAL_SECTION gaia_cache_semaphore;

#else
static pthread_mutex_t gaia_cache_semaphore = PTHREAD_MUTEX_INITIALIZER;

#endif

#define GAIA_CONN_RESERVED	(char *)1

static void
conn_geos_error (const char *msg, void *userdata)

{
/* reporting some GEOS error - thread safe */


    int len;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) userdata;
    if (cache == NULL)
	goto invalid_cache;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	goto invalid_cache;

    if (cache->gaia_geos_error_msg != NULL)
	free (cache->gaia_geos_error_msg);
    cache->gaia_geos_error_msg = NULL;
    if (msg)
      {
	  if (cache->silent_mode == 0)
	      spatialite_e ("GEOS error: %s\n", msg);

	  len = strlen (msg);
	  cache->gaia_geos_error_msg = malloc (len + 1);
	  strcpy (cache->gaia_geos_error_msg, msg);
      }
    return;

  invalid_cache:
    if (msg)
	spatialite_e ("GEOS error: %s\n", msg);
}

static void
conn_geos_warning (const char *msg, void *userdata)
{
/* reporting some GEOS warning - thread safe */
    int len;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) userdata;
    if (cache == NULL)
	goto invalid_cache;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	goto invalid_cache;

    if (cache->gaia_geos_warning_msg != NULL)
	free (cache->gaia_geos_warning_msg);
    cache->gaia_geos_warning_msg = NULL;
    if (msg)
      {
	  if (cache->silent_mode == 0)
	      spatialite_e ("GEOS warning: %s\n", msg);
	  len = strlen (msg);
	  cache->gaia_geos_warning_msg = malloc (len + 1);
	  strcpy (cache->gaia_geos_warning_msg, msg);
      }
    return;

  invalid_cache:
    if (msg)
	spatialite_e ("GEOS warning: %s\n", msg);
}

static void
conn_rttopo_error (const char *fmt, va_list ap, void *userdata)
{
/* reporting some RTTOPO error - thread safe */
    char *msg = NULL;
    int len;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) userdata;
    if (cache == NULL)
	goto invalid_cache;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	goto invalid_cache;

    if (cache->gaia_rttopo_error_msg != NULL)
	free (cache->gaia_rttopo_error_msg);
    cache->gaia_rttopo_error_msg = NULL;

    msg = sqlite3_vmprintf (fmt, ap);
    if (msg)
      {
	  if (strlen (msg) > 0)
	    {
		if (cache->silent_mode == 0)
		    spatialite_e ("RTTOPO error: %s\n\n", msg);
		len = strlen (msg);
		cache->gaia_rttopo_error_msg = malloc (len + 1);
		strcpy (cache->gaia_rttopo_error_msg, msg);
	    }
	  sqlite3_free (msg);
      }
    return;

  invalid_cache:
    if (msg)
      {
	  spatialite_e ("RTTOPO error: %s\n", msg);
	  sqlite3_free (msg);
      }
}

static void
conn_rttopo_warning (const char *fmt, va_list ap, void *userdata)
{
/* reporting some RTTOPO warning - thread safe */
    char *msg = NULL;
    int len;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) userdata;
    if (cache == NULL)
	goto invalid_cache;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	goto invalid_cache;

    if (cache->gaia_rttopo_warning_msg != NULL)
	free (cache->gaia_rttopo_warning_msg);
    cache->gaia_rttopo_warning_msg = NULL;

    msg = sqlite3_vmprintf (fmt, ap);
    if (msg)
      {
	  if (strlen (msg) > 0)
	    {
		/* disabled so to stop endless warnings caused by topo-tolerance */
		if (cache->silent_mode == 0)
		    spatialite_e ("RTTOPO warning: %s\n", msg);
		len = strlen (msg);
		cache->gaia_rttopo_warning_msg = malloc (len + 1);
		strcpy (cache->gaia_rttopo_warning_msg, msg);
	    }
	  sqlite3_free (msg);
      }
    return;

  invalid_cache:
    if (msg)
      {
	  spatialite_e ("RTTOPO warning: %s\n\n", msg);
	  sqlite3_free (msg);
      }
}

#ifndef GEOS_REENTRANT		/* only when using the obsolete partially thread-safe mode */
static void
setGeosErrorMsg (int pool_index, const char *msg)
{
/* setting the latest GEOS error message */
    struct splite_connection *p = &(splite_connection_pool[pool_index]);
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) (p->conn_ptr);
    conn_geos_error (msg, cache);
}

static void
setGeosWarningMsg (int pool_index, const char *msg)
{
/* setting the latest GEOS error message */
    struct splite_connection *p = &(splite_connection_pool[pool_index]);
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) (p->conn_ptr);
    conn_geos_warning (msg, cache);






















}

static void
geos_error_r (int pool_index, const char *fmt, va_list ap)
{
/* reporting some GEOS error - thread safe */
    char *msg;
................................................................................
}

static void
invalidate (int i)
{
/* definitely releasing the slot */
    struct splite_connection *p = &(splite_connection_pool[i]);









    p->conn_ptr = NULL;
}
#endif /* END obsolete partially thread-safe mode */

static void
init_splite_internal_cache (struct splite_internal_cache *cache)


{
/* common initialization of the internal cache */

    gaiaOutBufferPtr out;
    int i;
    const char *tinyPoint;

    struct splite_geos_cache_item *p;
    struct splite_xmlSchema_cache_item *p_xmlSchema;














    if (cache == NULL)
	return;




    cache->magic1 = SPATIALITE_CACHE_MAGIC1;
    cache->magic2 = SPATIALITE_CACHE_MAGIC2;
    cache->gpkg_mode = 0;
    cache->gpkg_amphibious_mode = 0;
    cache->decimal_precision = -1;
    cache->GEOS_handle = NULL;
    cache->PROJ_handle = NULL;
    cache->RTTOPO_handle = NULL;
    cache->cutterMessage = NULL;
    cache->storedProcError = NULL;
    cache->createRoutingError = NULL;
    cache->SqlProcLogfile = NULL;
    cache->SqlProcLog = NULL;
    cache->SqlProcContinue = 1;
    cache->pool_index = -1;
    cache->gaia_geos_error_msg = NULL;
    cache->gaia_geos_warning_msg = NULL;
    cache->gaia_geosaux_error_msg = NULL;
    cache->gaia_rttopo_error_msg = NULL;
    cache->gaia_rttopo_warning_msg = NULL;
    cache->silent_mode = 0;
    cache->tinyPointEnabled = 0;
    tinyPoint = getenv ("SPATIALITE_TINYPOINT");
    if (tinyPoint == NULL)
	;
    else if (atoi (tinyPoint) != 0)
	cache->tinyPointEnabled = 1;
/* initializing an empty linked list of Topologies */
    cache->firstTopology = NULL;
    cache->lastTopology = NULL;
    cache->next_topo_savepoint = 0;
    cache->first_topo_svpt = NULL;
    cache->last_topo_svpt = NULL;
    cache->firstNetwork = NULL;
    cache->lastNetwork = NULL;
    cache->next_network_savepoint = 0;
    cache->first_net_svpt = NULL;
    cache->last_net_svpt = NULL;
/* initializing Sequences */
    cache->first_seq = NULL;
    cache->last_seq = NULL;
    cache->ok_last_used_sequence = 0;
    cache->last_used_sequence_val = 0;
/* initializing SHP BBOXes */
    cache->first_shp_extent = NULL;
    cache->last_shp_extent = NULL;
/* initializing the XML error buffers */
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);
    cache->xmlParsingErrors = out;
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);
    cache->xmlSchemaValidationErrors = out;
................................................................................
	  p_xmlSchema = &(cache->xmlSchemaCache[i]);
	  p_xmlSchema->timestamp = 0;
	  p_xmlSchema->schemaURI = NULL;
	  p_xmlSchema->schemaDoc = NULL;
	  p_xmlSchema->parserCtxt = NULL;
	  p_xmlSchema->schema = NULL;
      }
}

#ifdef GEOS_REENTRANT		/* reentrant (thread-safe) initialization */
static void *
spatialite_alloc_reentrant ()
{
/* 
 * allocating and initializing an empty internal cache 
 * fully reentrant (thread-safe) version requiring GEOS >= 3.5.0
*/
    struct splite_internal_cache *cache = NULL;

/* attempting to implicitly initialize the library */
    spatialite_initialize ();

    cache = malloc (sizeof (struct splite_internal_cache));
    if (cache == NULL)
	goto done;
    init_splite_internal_cache (cache);

/* initializing GEOS and PROJ.4 handles */

#ifndef OMIT_GEOS		/* initializing GEOS */
    cache->GEOS_handle = GEOS_init_r (NULL, NULL);
    GEOSContext_setNoticeMessageHandler_r (cache->GEOS_handle,
					   conn_geos_warning, cache);
    GEOSContext_setErrorMessageHandler_r (cache->GEOS_handle, conn_geos_error,
					  cache);
#endif /* end GEOS  */

#ifndef OMIT_PROJ		/* initializing the PROJ.4 context */
    cache->PROJ_handle = pj_ctx_alloc ();
#endif /* end PROJ.4  */

#ifdef ENABLE_RTTOPO		/* initializing the RTTOPO context */
    cache->RTTOPO_handle = rtgeom_init (NULL, NULL, NULL);
    rtgeom_set_error_logger (cache->RTTOPO_handle, conn_rttopo_error, cache);
    rtgeom_set_notice_logger (cache->RTTOPO_handle, conn_rttopo_warning, cache);
#endif /* end RTTOPO */

  done:
    return cache;
}
#endif /* end GEOS_REENTRANT */

SPATIALITE_DECLARE void *
spatialite_alloc_connection ()
{
/* allocating and initializing an empty internal cache */

#ifdef GEOS_REENTRANT		/* reentrant (thread-safe) initialization */
    return spatialite_alloc_reentrant ();
#else /* end GEOS_REENTRANT */
    struct splite_internal_cache *cache = NULL;
    int pool_index;

/* attempting to implicitly initialize the library */
    spatialite_initialize ();

/* locking the semaphore */
    splite_cache_semaphore_lock ();

    pool_index = find_free_connection ();

    if (pool_index < 0)
	goto done;

    cache = malloc (sizeof (struct splite_internal_cache));
    if (cache == NULL)
      {
	  invalidate (pool_index);
	  goto done;
      }
    init_splite_internal_cache (cache);
    cache->pool_index = pool_index;
    confirm (pool_index, cache);

#include "cache_aux_3.h"

/* initializing GEOS and PROJ.4 handles */

#ifndef OMIT_GEOS		/* initializing GEOS */
    cache->GEOS_handle = initGEOS_r (cache->geos_warning, cache->geos_error);
................................................................................
    cache->PROJ_handle = pj_ctx_alloc ();
#endif /* end PROJ.4  */

  done:
/* unlocking the semaphore */
    splite_cache_semaphore_unlock ();
    return cache;
#endif
}

SPATIALITE_DECLARE void
spatialite_finalize_topologies (const void *ptr)
{
#ifdef ENABLE_RTTOPO		/* only if RTTOPO is enabled */
/* freeing all Topology Accessor Objects */
    struct splite_savepoint *p_svpt;
    struct splite_savepoint *p_svpt_n;
    struct splite_internal_cache *cache = (struct splite_internal_cache *) ptr;
    if (cache == NULL)
	return;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;
    free_internal_cache_topologies (cache->firstTopology);
    cache->firstTopology = NULL;
    cache->lastTopology = NULL;
    p_svpt = cache->first_topo_svpt;
    while (p_svpt != NULL)
      {
	  p_svpt_n = p_svpt->next;
	  if (p_svpt->savepoint_name != NULL)
	      sqlite3_free (p_svpt->savepoint_name);
	  free (p_svpt);
	  p_svpt = p_svpt_n;
      }
    cache->first_topo_svpt = NULL;
    cache->last_topo_svpt = NULL;
    free_internal_cache_networks (cache->firstNetwork);
    cache->firstNetwork = NULL;
    cache->lastTopology = NULL;
    p_svpt = cache->first_net_svpt;
    while (p_svpt != NULL)
      {
	  p_svpt_n = p_svpt->next;
	  if (p_svpt->savepoint_name != NULL)
	      sqlite3_free (p_svpt->savepoint_name);
	  free (p_svpt);
	  p_svpt = p_svpt_n;
      }
    cache->first_net_svpt = NULL;
    cache->last_net_svpt = NULL;
#else
    if (ptr == NULL)
	return;			/* silencing stupid compiler warnings */
#endif /* end RTTOPO conditionals */
}

static void
free_sequences (struct splite_internal_cache *cache)
{
/* freeing all Sequences */
    gaiaSequencePtr pS;
    gaiaSequencePtr pSn;

    pS = cache->first_seq;
    while (pS != NULL)
      {
	  pSn = pS->next;
	  if (pS->seq_name != NULL)
	      free (pS->seq_name);
	  free (pS);
	  pS = pSn;
      }
}

static void
free_shp_extents (struct splite_internal_cache *cache)
{
/* freeing all SHP BBOXes */
    struct splite_shp_extent *pS;
    struct splite_shp_extent *pSn;

    pS = cache->first_shp_extent;
    while (pS != NULL)
      {
	  pSn = pS->next;
	  if (pS->table != NULL)
	      free (pS->table);
	  free (pS);
	  pS = pSn;
      }
}

SPATIALITE_PRIVATE void
add_shp_extent (const char *table, double minx,
		double miny, double maxx,
		double maxy, int srid, const void *p_cache)
{
/* adding a Shapefile Full Extent */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    struct splite_shp_extent *shp = malloc (sizeof (struct splite_shp_extent));
    int len = strlen (table);
    shp->table = malloc (len + 1);
    strcpy (shp->table, table);
    shp->minx = minx;
    shp->miny = miny;
    shp->maxx = maxx;
    shp->maxy = maxy;
    shp->srid = srid;
    shp->prev = cache->last_shp_extent;
    shp->next = NULL;
    if (cache->first_shp_extent == NULL)
	cache->first_shp_extent = shp;
    if (cache->last_shp_extent != NULL)
	cache->last_shp_extent->next = shp;
    cache->last_shp_extent = shp;
}

SPATIALITE_PRIVATE void
remove_shp_extent (const char *table, const void *p_cache)
{
/* adding a Shapefile Full Extent */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    struct splite_shp_extent *shp_n;
    struct splite_shp_extent *shp = cache->first_shp_extent;
    while (shp != NULL)
      {
	  shp_n = shp->next;
	  if (strcasecmp (shp->table, table) == 0)
	    {
		if (shp->table != NULL)
		    free (shp->table);
		if (shp->next != NULL)
		    shp->next->prev = shp->prev;
		if (shp->prev != NULL)
		    shp->prev->next = shp->next;
		if (cache->first_shp_extent == shp)
		    cache->first_shp_extent = shp->next;
		if (cache->last_shp_extent == shp)
		    cache->last_shp_extent = shp->prev;
		free (shp);
	    }
	  shp = shp_n;
      }
}

SPATIALITE_PRIVATE int
get_shp_extent (const char *table, double *minx, double *miny, double *maxx,
		double *maxy, int *srid, const void *p_cache)
{
/* retrieving a Shapefile Full Extent */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    struct splite_shp_extent *shp = cache->first_shp_extent;
    while (shp != NULL)
      {
	  if (strcasecmp (shp->table, table) == 0)
	    {
		*minx = shp->minx;
		*miny = shp->miny;
		*maxx = shp->maxx;
		*maxy = shp->maxy;
		*srid = shp->srid;
		return 1;
	    }
	  shp = shp->next;
      }
    return 0;
}

SPATIALITE_PRIVATE void
free_internal_cache (struct splite_internal_cache *cache)
{
/* freeing an internal cache */
    struct splite_geos_cache_item *p;
................................................................................
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;

#ifndef OMIT_GEOS
    handle = cache->GEOS_handle;
    if (handle != NULL)
#ifdef GEOS_REENTRANT		/* reentrant (thread-safe) initialization */
	GEOS_finish_r (handle);
#else /* end GEOS_REENTRANT */
	finishGEOS_r (handle);
#endif
    cache->GEOS_handle = NULL;
    gaiaResetGeosMsg_r (cache);
#endif

#ifndef OMIT_PROJ
    if (cache->PROJ_handle != NULL)
	pj_ctx_free (cache->PROJ_handle);
    cache->PROJ_handle = NULL;
#endif

/* freeing GEOS error buffers */
    if (cache->gaia_geos_error_msg)
	free (cache->gaia_geos_error_msg);
    if (cache->gaia_geos_warning_msg)
	free (cache->gaia_geos_warning_msg);
    if (cache->gaia_geosaux_error_msg)
	free (cache->gaia_geosaux_error_msg);

/* freeing RTTOPO error buffers */
    if (cache->gaia_rttopo_error_msg)
	free (cache->gaia_rttopo_error_msg);
    if (cache->gaia_rttopo_warning_msg)
	free (cache->gaia_rttopo_warning_msg);

/* freeing the XML error buffers */
    gaiaOutBufferReset (cache->xmlParsingErrors);
    gaiaOutBufferReset (cache->xmlSchemaValidationErrors);
    gaiaOutBufferReset (cache->xmlXPathErrors);
    free (cache->xmlParsingErrors);
    free (cache->xmlSchemaValidationErrors);
    free (cache->xmlXPathErrors);
................................................................................
      {
	  /* freeing the XmlSchema cache */
	  p_xmlSchema = &(cache->xmlSchemaCache[i]);
	  splite_free_xml_schema_cache_item (p_xmlSchema);
      }
#endif

    if (cache->cutterMessage != NULL)
	sqlite3_free (cache->cutterMessage);
    cache->cutterMessage = NULL;
    if (cache->createRoutingError != NULL)
	free (cache->createRoutingError);
    cache->createRoutingError = NULL;
    if (cache->storedProcError != NULL)
	free (cache->storedProcError);
    cache->storedProcError = NULL;
    if (cache->SqlProcLogfile != NULL)
	free (cache->SqlProcLogfile);
    cache->SqlProcLogfile = NULL;
    if (cache->SqlProcLog != NULL)
	fclose (cache->SqlProcLog);
    cache->SqlProcLog = NULL;
    free_sequences (cache);
    free_shp_extents (cache);

    spatialite_finalize_topologies (cache);

#ifdef ENABLE_RTTOPO
    if (cache->RTTOPO_handle != NULL)
	rtgeom_finish (cache->RTTOPO_handle);
    cache->RTTOPO_handle = NULL;
#endif

#ifndef GEOS_REENTRANT		/* only partially thread-safe mode */
/* releasing the connection pool object */
    invalidate (cache->pool_index);
#endif /* end GEOS_REENTRANT */

/* freeing the cache itself */
    free (cache);
}

GAIAGEO_DECLARE void
gaiaResetGeosMsg_r (const void *p_cache)
{
/* resets the GEOS error and warning messages */

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return;
    if (cache->gaia_geos_error_msg != NULL)
	free (cache->gaia_geos_error_msg);
    if (cache->gaia_geos_warning_msg != NULL)
	free (cache->gaia_geos_warning_msg);
    if (cache->gaia_geosaux_error_msg != NULL)
	free (cache->gaia_geosaux_error_msg);
    cache->gaia_geos_error_msg = NULL;
    cache->gaia_geos_warning_msg = NULL;
    cache->gaia_geosaux_error_msg = NULL;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosErrorMsg_r (const void *p_cache)
{
/* return the latest GEOS error message */

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return NULL;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return NULL;
    return cache->gaia_geos_error_msg;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosWarningMsg_r (const void *p_cache)
{
/* return the latest GEOS error message */

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return NULL;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return NULL;
    return cache->gaia_geos_warning_msg;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosAuxErrorMsg_r (const void *p_cache)
{
/* return the latest GEOS (auxialiary) error message */

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return NULL;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return NULL;
    return cache->gaia_geosaux_error_msg;
}

GAIAGEO_DECLARE void
gaiaSetGeosErrorMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS error message */
    int len;

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return;
    if (cache->gaia_geos_error_msg != NULL)
	free (cache->gaia_geos_error_msg);
    cache->gaia_geos_error_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    cache->gaia_geos_error_msg = malloc (len + 1);
    strcpy (cache->gaia_geos_error_msg, msg);
}

GAIAGEO_DECLARE void
gaiaSetGeosWarningMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS error message */
    int len;

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return;
    if (cache->gaia_geos_warning_msg != NULL)
	free (cache->gaia_geos_warning_msg);
    cache->gaia_geos_warning_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    cache->gaia_geos_warning_msg = malloc (len + 1);
    strcpy (cache->gaia_geos_warning_msg, msg);
}

GAIAGEO_DECLARE void
gaiaSetGeosAuxErrorMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS (auxiliary) error message */
    int len;

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;

    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else


	return;
    if (cache->gaia_geosaux_error_msg != NULL)
	free (cache->gaia_geosaux_error_msg);
    cache->gaia_geosaux_error_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    cache->gaia_geosaux_error_msg = malloc (len + 1);
    strcpy (cache->gaia_geosaux_error_msg, msg);
}

static char *
parse_number_from_msg (const char *str)
{
/* attempting to parse a number from a string */
    int sign = 0;
................................................................................
/ Attempts to return a Point Geometry extracted from the latest GEOS 
/ error / warning message
*/
    double x;
    double y;
    gaiaGeomCollPtr geom;
    const char *msg;

    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;


    if (cache == NULL)
	return NULL;
    if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 == SPATIALITE_CACHE_MAGIC2)
	;
    else
	return NULL;




    msg = cache->gaia_geos_error_msg;
    if (msg == NULL)
	msg = cache->gaia_geos_warning_msg;
    if (msg == NULL)
	return NULL;
    if (!check_geos_critical_point (msg, &x, &y))
	return NULL;
    geom = gaiaAllocGeomColl ();
    gaiaAddPointToGeomColl (geom, x, y);
    return geom;
}

SPATIALITE_PRIVATE void
splite_cache_semaphore_lock (void)
{
#if defined(_WIN32) && !defined(__MINGW32__)
    EnterCriticalSection (&gaia_cache_semaphore);
#else
    pthread_mutex_lock (&gaia_cache_semaphore);
#endif
}

SPATIALITE_PRIVATE void
splite_cache_semaphore_unlock (void)
{
#if defined(_WIN32) && !defined(__MINGW32__)
    LeaveCriticalSection (&gaia_cache_semaphore);
#else
    pthread_mutex_trylock (&gaia_cache_semaphore);
    pthread_mutex_unlock (&gaia_cache_semaphore);
#endif
}





















SPATIALITE_DECLARE void
spatialite_initialize (void)
{
/* initializes the library */
    if (gaia_already_initialized)
	return;

#if defined(_WIN32) && !defined(__MINGW32__)
    InitializeCriticalSection (&gaia_cache_semaphore);

#endif

#ifdef ENABLE_LIBXML2		/* only if LIBXML2 is supported */
    xmlInitParser ();
#endif /* end LIBXML2 conditional */

    gaia_already_initialized = 1;
}

SPATIALITE_DECLARE void
spatialite_shutdown (void)
{
/* finalizes the library */
#ifndef GEOS_REENTRANT
    int i;
#endif
    if (!gaia_already_initialized)
	return;

#if defined(_WIN32) && !defined(__MINGW32__)
    DeleteCriticalSection (&gaia_cache_semaphore);

#endif

#ifdef ENABLE_LIBXML2		/* only if LIBXML2 is supported */
    xmlCleanupParser ();
#endif /* end LIBXML2 conditional */

#ifndef GEOS_REENTRANT		/* only when using the obsolete partially thread-safe mode */
    for (i = 0; i < SPATIALITE_MAX_CONNECTIONS; i++)
      {
	  struct splite_connection *p = &(splite_connection_pool[i]);
	  if (p->conn_ptr != NULL && p->conn_ptr != GAIA_CONN_RESERVED)
	      free_internal_cache (p->conn_ptr);
      }
#endif /* end GEOS_REENTRANT */

    gaia_already_initialized = 0;
}

SPATIALITE_DECLARE void
spatialite_set_silent_mode (const void *p_cache)
{
/* setting up the SILENT mode */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;
    cache->silent_mode = 1;
}

SPATIALITE_DECLARE void
spatialite_set_verbose_mode (const void *p_cache)
{
/* setting up the VERBOSE mode */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;
    cache->silent_mode = 0;
}

SPATIALITE_DECLARE void
enable_tiny_point (const void *p_cache)
{
/* Enabling the BLOB-TinyPoint encoding */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;
    cache->tinyPointEnabled = 1;
}

SPATIALITE_DECLARE void
disable_tiny_point (const void *p_cache)
{
/* Disabling the BLOB-TinyPoint encoding */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;
    cache->tinyPointEnabled = 0;
}

SPATIALITE_DECLARE int
is_tiny_point_enabled (const void *p_cache)
{
/* Checking if the BLOB-TinyPoint encoding is enabled or not */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache == NULL)
	return 0;
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return 0;
    return cache->tinyPointEnabled;
}

/*
 alloc_cache.c -- Gaia spatial support for SQLite

 version 4.2, 2014 July 25

 Author: Sandro Furieri a.furieri@lqt.it

 ------------------------------------------------------------------------------
 
 Version: MPL 1.1/GPL 2.0/LGPL 2.1
 
................................................................................
for the specific language governing rights and limitations under the
License.

The Original Code is the SpatiaLite library

The Initial Developer of the Original Code is Alessandro Furieri
 
Portions created by the Initial Developer are Copyright (C) 2013
the Initial Developer. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
................................................................................
*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>


#ifdef _WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
................................................................................

#include <spatialite.h>
#include <spatialite_private.h>
#include <spatialite/gg_advanced.h>
#include <spatialite/gaiamatrix.h>

#ifndef OMIT_GEOS		/* including GEOS */





#include <geos_c.h>
#endif

#ifndef OMIT_PROJ		/* including PROJ.4 */
#include <proj_api.h>
#endif






#include "cache_aux_1.h"






/* GLOBAL variables */
extern char *gaia_geos_error_msg;
extern char *gaia_geos_warning_msg;

/* GLOBAL semaphores */
int gaia_already_initialized = 0;
#ifdef _WIN32
static CRITICAL_SECTION gaia_cache_semaphore;
static CRITICAL_SECTION gaia_lwgeom_semaphore;
#else
static pthread_mutex_t gaia_cache_semaphore = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t gaia_lwgeom_semaphore = PTHREAD_MUTEX_INITIALIZER;
#endif

#define GAIA_CONN_RESERVED	(char *)1

static void

setGeosErrorMsg (int pool_index, const char *msg)
{

/* setting the latest GEOS error message */
    struct splite_connection *p = &(splite_connection_pool[pool_index]);
    int len;








    if (p->gaia_geos_error_msg != NULL)
	free (p->gaia_geos_error_msg);
    p->gaia_geos_error_msg = NULL;
    if (msg == NULL)



	return;
    len = strlen (msg);
    p->gaia_geos_error_msg = malloc (len + 1);
    strcpy (p->gaia_geos_error_msg, msg);



































































































































}

static void
setGeosWarningMsg (int pool_index, const char *msg)
{
/* setting the latest GEOS error message */
    struct splite_connection *p = &(splite_connection_pool[pool_index]);
    int len;
    if (p->gaia_geos_warning_msg != NULL)
	free (p->gaia_geos_warning_msg);
    p->gaia_geos_warning_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    p->gaia_geos_warning_msg = malloc (len + 1);
    strcpy (p->gaia_geos_warning_msg, msg);
}

static void
setGeosAuxErrorMsg (int pool_index, const char *msg)
{
/* setting the latest GEOS (auxiliary) error message */
    struct splite_connection *p = &(splite_connection_pool[pool_index]);
    int len;
    if (p->gaia_geosaux_error_msg != NULL)
	free (p->gaia_geosaux_error_msg);
    p->gaia_geosaux_error_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    p->gaia_geosaux_error_msg = malloc (len + 1);
    strcpy (p->gaia_geosaux_error_msg, msg);
}

static void
geos_error_r (int pool_index, const char *fmt, va_list ap)
{
/* reporting some GEOS error - thread safe */
    char *msg;
................................................................................
}

static void
invalidate (int i)
{
/* definitely releasing the slot */
    struct splite_connection *p = &(splite_connection_pool[i]);
    if (p->gaia_geos_error_msg != NULL)
	free (p->gaia_geos_error_msg);
    if (p->gaia_geos_warning_msg != NULL)
	free (p->gaia_geos_warning_msg);
    if (p->gaia_geosaux_error_msg != NULL)
	free (p->gaia_geosaux_error_msg);
    p->gaia_geos_error_msg = NULL;
    p->gaia_geos_warning_msg = NULL;
    p->gaia_geosaux_error_msg = NULL;
    p->conn_ptr = NULL;
}




SPATIALITE_DECLARE void *
spatialite_alloc_connection ()
{

/* allocating and initializing an empty internal cache */
    gaiaOutBufferPtr out;
    int i;

    struct splite_internal_cache *cache = NULL;
    struct splite_geos_cache_item *p;
    struct splite_xmlSchema_cache_item *p_xmlSchema;
    int pool_index;

/* attempting to implicitly initialize the library */
    spatialite_initialize ();

/* locking the semaphore */
    splite_cache_semaphore_lock ();

    pool_index = find_free_connection ();

    if (pool_index < 0)
	goto done;

    cache = malloc (sizeof (struct splite_internal_cache));
    if (cache == NULL)

      {
	  invalidate (pool_index);
	  goto done;
      }
    cache->magic1 = SPATIALITE_CACHE_MAGIC1;
    cache->magic2 = SPATIALITE_CACHE_MAGIC2;



    cache->GEOS_handle = NULL;
    cache->PROJ_handle = NULL;







    cache->pool_index = pool_index;














    confirm (pool_index, cache);
















/* initializing the XML error buffers */
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);
    cache->xmlParsingErrors = out;
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);
    cache->xmlSchemaValidationErrors = out;
................................................................................
	  p_xmlSchema = &(cache->xmlSchemaCache[i]);
	  p_xmlSchema->timestamp = 0;
	  p_xmlSchema->schemaURI = NULL;
	  p_xmlSchema->schemaDoc = NULL;
	  p_xmlSchema->parserCtxt = NULL;
	  p_xmlSchema->schema = NULL;
      }













































































#include "cache_aux_3.h"

/* initializing GEOS and PROJ.4 handles */

#ifndef OMIT_GEOS		/* initializing GEOS */
    cache->GEOS_handle = initGEOS_r (cache->geos_warning, cache->geos_error);
................................................................................
    cache->PROJ_handle = pj_ctx_alloc ();
#endif /* end PROJ.4  */

  done:
/* unlocking the semaphore */
    splite_cache_semaphore_unlock ();
    return cache;



































































































































































}

SPATIALITE_PRIVATE void
free_internal_cache (struct splite_internal_cache *cache)
{
/* freeing an internal cache */
    struct splite_geos_cache_item *p;
................................................................................
    if (cache->magic1 != SPATIALITE_CACHE_MAGIC1
	|| cache->magic2 != SPATIALITE_CACHE_MAGIC2)
	return;

#ifndef OMIT_GEOS
    handle = cache->GEOS_handle;
    if (handle != NULL)



	finishGEOS_r (handle);

    cache->GEOS_handle = NULL;
    gaiaResetGeosMsg_r (cache);
#endif

#ifndef OMIT_PROJ
    if (cache->PROJ_handle != NULL)
	pj_ctx_free (cache->PROJ_handle);
    cache->PROJ_handle = NULL;
#endif















/* freeing the XML error buffers */
    gaiaOutBufferReset (cache->xmlParsingErrors);
    gaiaOutBufferReset (cache->xmlSchemaValidationErrors);
    gaiaOutBufferReset (cache->xmlXPathErrors);
    free (cache->xmlParsingErrors);
    free (cache->xmlSchemaValidationErrors);
    free (cache->xmlXPathErrors);
................................................................................
      {
	  /* freeing the XmlSchema cache */
	  p_xmlSchema = &(cache->xmlSchemaCache[i]);
	  splite_free_xml_schema_cache_item (p_xmlSchema);
      }
#endif




























/* releasing the connection pool object */
    invalidate (cache->pool_index);


/* freeing the cache itself */
    free (cache);
}

GAIAGEO_DECLARE void
gaiaResetGeosMsg_r (const void *p_cache)
{
/* resets the GEOS error and warning messages */
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return;
    if (p->gaia_geos_error_msg != NULL)
	free (p->gaia_geos_error_msg);
    if (p->gaia_geos_warning_msg != NULL)
	free (p->gaia_geos_warning_msg);
    if (p->gaia_geosaux_error_msg != NULL)
	free (p->gaia_geosaux_error_msg);
    p->gaia_geos_error_msg = NULL;
    p->gaia_geos_warning_msg = NULL;
    p->gaia_geosaux_error_msg = NULL;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosErrorMsg_r (const void *p_cache)
{
/* return the latest GEOS error message */
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return NULL;
    return p->gaia_geos_error_msg;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosWarningMsg_r (const void *p_cache)
{
/* return the latest GEOS error message */
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return NULL;
    return p->gaia_geos_warning_msg;
}

GAIAGEO_DECLARE const char *
gaiaGetGeosAuxErrorMsg_r (const void *p_cache)
{
/* return the latest GEOS (auxialiary) error message */
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return NULL;
    return p->gaia_geosaux_error_msg;
}

GAIAGEO_DECLARE void
gaiaSetGeosErrorMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS error message */
    int len;
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return;
    if (p->gaia_geos_error_msg != NULL)
	free (p->gaia_geos_error_msg);
    p->gaia_geos_error_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    p->gaia_geos_error_msg = malloc (len + 1);
    strcpy (p->gaia_geos_error_msg, msg);
}

GAIAGEO_DECLARE void
gaiaSetGeosWarningMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS error message */
    int len;
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return;
    if (p->gaia_geos_warning_msg != NULL)
	free (p->gaia_geos_warning_msg);
    p->gaia_geos_warning_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    p->gaia_geos_warning_msg = malloc (len + 1);
    strcpy (p->gaia_geos_warning_msg, msg);
}

GAIAGEO_DECLARE void
gaiaSetGeosAuxErrorMsg_r (const void *p_cache, const char *msg)
{
/* setting the latest GEOS (auxiliary) error message */
    int len;
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)

      {
	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)

	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return;
    if (p->gaia_geosaux_error_msg != NULL)
	free (p->gaia_geosaux_error_msg);
    p->gaia_geosaux_error_msg = NULL;
    if (msg == NULL)
	return;
    len = strlen (msg);
    p->gaia_geosaux_error_msg = malloc (len + 1);
    strcpy (p->gaia_geosaux_error_msg, msg);
}

static char *
parse_number_from_msg (const char *str)
{
/* attempting to parse a number from a string */
    int sign = 0;
................................................................................
/ Attempts to return a Point Geometry extracted from the latest GEOS 
/ error / warning message
*/
    double x;
    double y;
    gaiaGeomCollPtr geom;
    const char *msg;
    struct splite_connection *p = NULL;
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    if (cache != NULL)
      {


	  if (cache->magic1 == SPATIALITE_CACHE_MAGIC1
	      || cache->magic2 == SPATIALITE_CACHE_MAGIC2)



	      p = &(splite_connection_pool[cache->pool_index]);
      }
    if (p == NULL)
	return NULL;
    msg = p->gaia_geos_error_msg;
    if (msg == NULL)
	msg = p->gaia_geos_warning_msg;
    if (msg == NULL)
	return NULL;
    if (!check_geos_critical_point (msg, &x, &y))
	return NULL;
    geom = gaiaAllocGeomColl ();
    gaiaAddPointToGeomColl (geom, x, y);
    return geom;
}

SPATIALITE_PRIVATE void
splite_cache_semaphore_lock (void)
{
#ifdef _WIN32
    EnterCriticalSection (&gaia_cache_semaphore);
#else
    pthread_mutex_lock (&gaia_cache_semaphore);
#endif
}

SPATIALITE_PRIVATE void
splite_cache_semaphore_unlock (void)
{
#ifdef _WIN32
    LeaveCriticalSection (&gaia_cache_semaphore);
#else

    pthread_mutex_unlock (&gaia_cache_semaphore);
#endif
}

SPATIALITE_PRIVATE void
splite_lwgeom_semaphore_lock (void)
{
#ifdef _WIN32
    EnterCriticalSection (&gaia_lwgeom_semaphore);
#else
    pthread_mutex_lock (&gaia_lwgeom_semaphore);
#endif
}

SPATIALITE_PRIVATE void
splite_lwgeom_semaphore_unlock (void)
{
#ifdef _WIN32
    LeaveCriticalSection (&gaia_lwgeom_semaphore);
#else
    pthread_mutex_unlock (&gaia_lwgeom_semaphore);
#endif
}

SPATIALITE_DECLARE void
spatialite_initialize (void)
{
/* initializes the library */
    if (gaia_already_initialized)
	return;

#ifdef _WIN32
    InitializeCriticalSection (&gaia_cache_semaphore);
    InitializeCriticalSection (&gaia_lwgeom_semaphore);
#endif

#ifdef ENABLE_LIBXML2		/* only if LIBXML2 is supported */
    xmlInitParser ();
#endif /* end LIBXML2 conditional */

    gaia_already_initialized = 1;
}

SPATIALITE_DECLARE void
spatialite_shutdown (void)
{
/* finalizes the library */

    int i;

    if (!gaia_already_initialized)
	return;

#ifdef _WIN32
    DeleteCriticalSection (&gaia_cache_semaphore);
    DeleteCriticalSection (&gaia_lwgeom_semaphore);
#endif

#ifdef ENABLE_LIBXML2		/* only if LIBXML2 is supported */
    xmlCleanupParser ();
#endif /* end LIBXML2 conditional */


    for (i = 0; i < SPATIALITE_MAX_CONNECTIONS; i++)
      {
	  struct splite_connection *p = &(splite_connection_pool[i]);
	  if (p->conn_ptr != NULL && p->conn_ptr != GAIA_CONN_RESERVED)
	      free_internal_cache (p->conn_ptr);
      }


    gaia_already_initialized = 0;
}

#define SPATIALITE_MAX_CONNECTIONS	64

struct splite_connection
{
/* connections pool */
	void *conn_ptr;



} splite_connection_pool[SPATIALITE_MAX_CONNECTIONS] =
{
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL},
	{NULL}



};

#define SPATIALITE_MAX_CONNECTIONS	64

struct splite_connection
{
/* connections pool */
	void *conn_ptr;
	char *gaia_geos_error_msg;
	char *gaia_geos_warning_msg;
	char *gaia_geosaux_error_msg;
} splite_connection_pool[SPATIALITE_MAX_CONNECTIONS] =
{



	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL},
	{NULL, NULL, NULL, NULL}
};

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# @configure_input@

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# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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am__DIST_COMMON = $(srcdir)/Makefile.in
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	        && { if test -f $@; then exit 0; else break; fi; }; \
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	$(am__cd) $(top_srcdir) && \
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
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# Makefile.in generated by automake 1.14.1 from Makefile.am.
# @configure_input@

# Copyright (C) 1994-2013 Free Software Foundation, Inc.

# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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@SET_MAKE@
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am__make_running_with_option = \
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              "target option '$${target_option-}' specified" >&2; \
         exit 1;; \
  esac; \
................................................................................
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
subdir = src/connection_cache/generator
DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
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	$(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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	@case '$?' in \
	  *config.status*) \
	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
	  *) \
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

	  fprintf (stderr, "Unable to create/open \"cache_aux_1.h\"\n");
	  return -1;
      }
    fprintf (out, "#define SPATIALITE_MAX_CONNECTIONS\t%d\n\n", max);
    fprintf (out, "struct splite_connection\n{\n");
    fprintf (out, "/* connections pool */\n");
    fprintf (out, "\tvoid *conn_ptr;\n");



    fprintf (out,
	     "} splite_connection_pool[" "SPATIALITE_MAX_CONNECTIONS] =\n{\n");
    for (i = 0; i < max; i++)
      {
	  if (i == (max - 1))
	      fprintf (out, "\t{NULL}\n");
	  else
	      fprintf (out, "\t{NULL},\n");
      }
    fprintf (out, "};\n");
    fclose (out);

/* generating "cache_aux_2.h" */
    out = fopen ("cache_aux_2.h", "w");
    if (out == NULL)

	  fprintf (stderr, "Unable to create/open \"cache_aux_1.h\"\n");
	  return -1;
      }
    fprintf (out, "#define SPATIALITE_MAX_CONNECTIONS\t%d\n\n", max);
    fprintf (out, "struct splite_connection\n{\n");
    fprintf (out, "/* connections pool */\n");
    fprintf (out, "\tvoid *conn_ptr;\n");
    fprintf (out, "\tchar *gaia_geos_error_msg;\n");
    fprintf (out, "\tchar *gaia_geos_warning_msg;\n");
    fprintf (out, "\tchar *gaia_geosaux_error_msg;\n");
    fprintf (out,
	     "} splite_connection_pool[" "SPATIALITE_MAX_CONNECTIONS] =\n{\n");
    for (i = 0; i < max; i++)
      {
	  if (i == (max - 1))
	      fprintf (out, "\t{NULL, NULL, NULL, NULL}\n");
	  else
	      fprintf (out, "\t{NULL, NULL, NULL, NULL},\n");
      }
    fprintf (out, "};\n");
    fclose (out);

/* generating "cache_aux_2.h" */
    out = fopen ("cache_aux_2.h", "w");
    if (out == NULL)

/*
 gg_sequence.c -- Gaia support for Spatialite's own Sequence
  
 version 4.4, 2016 August 12

 Author: Sandro Furieri a.furieri@lqt.it

 ------------------------------------------------------------------------------
 
 Version: MPL 1.1/GPL 2.0/LGPL 2.1
 
 The contents of this file are subject to the Mozilla Public License Version
 1.1 (the "License"); you may not use this file except in compliance with
 the License. You may obtain a copy of the License at
 http://www.mozilla.org/MPL/
 
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
for the specific language governing rights and limitations under the
License.

The Original Code is the SpatiaLite library

The Initial Developer of the Original Code is Alessandro Furieri
 
Portions created by the Initial Developer are Copyright (C) 2013-2015
the Initial Developer. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of either the GPL or the LGPL, and not to allow others to
use your version of this file under the terms of the MPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the MPL, the GPL or the LGPL.
 
*/

#include <stdlib.h>
#include <string.h>

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#include <spatialite_private.h>

#ifdef _WIN32
#define strcasecmp	_stricmp
#endif /* not WIN32 */

GAIASEQ_DECLARE gaiaSequencePtr
gaiaCreateSequence (const void *p_cache, const char *seq_name)
{
/* creating a new Sequence or retrieving an already existing Sequence */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    gaiaSequencePtr seq;

    if (cache == NULL)
	return NULL;
    seq = cache->first_seq;
    while (seq != NULL)
      {
	  /* testing for an existing Sequence */
	  if (seq_name == NULL && seq->seq_name == NULL)
	      return seq;
	  if (seq_name != NULL && seq->seq_name != NULL)
	    {
		if (strcasecmp (seq_name, seq->seq_name) == 0)
		    return seq;
	    }
	  seq = seq->next;
      }

/* not already existsting; creating a new Sequence */
    seq = malloc (sizeof (gaiaSequence));
    if (seq_name == NULL)
	seq->seq_name = NULL;
    else
      {
	  int len = strlen (seq_name);
	  seq->seq_name = malloc (len + 1);
	  strcpy (seq->seq_name, seq_name);
      }
    seq->value = 0;
    seq->next = NULL;

/* inserting into the linked list */
    if (cache->first_seq == NULL)
	cache->first_seq = seq;
    if (cache->last_seq != NULL)
	cache->last_seq->next = seq;
    cache->last_seq = seq;

    return seq;
}

GAIASEQ_DECLARE gaiaSequencePtr
gaiaFindSequence (const void *p_cache, const char *seq_name)
{
/* retrieving an existing Sequence */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;
    gaiaSequencePtr seq;

    if (cache == NULL)
	return NULL;
    seq = cache->first_seq;
    while (seq != NULL)
      {
	  /* testing for an existing Sequence */
	  if (seq_name == NULL && seq->seq_name == NULL)
	      return seq;
	  if (seq_name != NULL && seq->seq_name != NULL)
	    {
		if (strcasecmp (seq_name, seq->seq_name) == 0)
		    return seq;
	    }
	  seq = seq->next;
      }

    return NULL;
}

GAIASEQ_DECLARE int
gaiaLastUsedSequence (const void *p_cache, int *value)
{
/* return the most recently used Sequence (if any) */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;

    if (cache == NULL)
	return 0;
    if (cache->ok_last_used_sequence == 0)
	return 0;
    *value = cache->last_used_sequence_val;
    return 1;
}

GAIASEQ_DECLARE int
gaiaSequenceNext (const void *p_cache, gaiaSequencePtr seq)
{
/* inreases the Sequence value */
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;

    if (cache == NULL)
	return 0;
    if (seq == NULL)
	return 0;

    seq->value += 1;
    cache->ok_last_used_sequence = 1;
    cache->last_used_sequence_val = seq->value;
    return 1;
}

GAIASEQ_DECLARE int
gaiaResetSequence (gaiaSequencePtr seq, int value)
{
/* resetting a Sequence */
    if (seq == NULL)
	return 0;

    seq->value = abs (value);
    return 1;
}