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<?xml version="1.0" encoding="utf-8"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<!-- ********************************************************************
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$Id: postgis_aggs_mm.xml.xsl 4005 2009-04-16 05:54:04Z robe $
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********************************************************************
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Copyright 2008, Regina Obe
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Purpose: This is an xsl transform that generates index listing of aggregate functions and mm /sql compliant functions xml section from reference_new.xml to then
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be processed by doc book
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******************************************************************** -->
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<xsl:output method="xml" indent="yes" encoding="utf-8"/>
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<xsl:template match='/chapter'>
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<title>PostGIS Special Functions Index</title>
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<sect1 id="PostGIS_Aggregate_Functions">
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<title>PostGIS Aggregate Functions</title>
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<para>The functions given below are spatial aggregate functions provided with PostGIS that can be used just like any other sql aggregate function such as sum, average.</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each function prototype if it takes a geometry set then catalog it as an aggregate function -->
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<xsl:for-each select="refsynopsisdiv/funcsynopsis/funcprototype">
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<xsl:when test="contains(paramdef/type,'geometry set')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /></listitem>
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<sect1 id="PostGIS_SQLMM_Functions">
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<title>PostGIS SQL-MM Compliant Functions</title>
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<para>The functions given below are PostGIS functions that conform to the SQL/MM 3 standard</para>
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<para>SQL-MM defines the default SRID of all geometry constructors as 0.
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PostGIS uses a default SRID of -1.</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each section if there is note that it implements SQL/MM catalog it -->
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<xsl:for-each select="refsection">
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<xsl:for-each select="para">
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<xsl:when test="contains(.,'implements the SQL/MM')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /> <xsl:value-of select="." /></listitem>
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<sect1 id="PostGIS_3D_Functions">
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<title>PostGIS Functions that support 3D</title>
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<para>The functions given below are PostGIS functions that do not throw away the Z-Index.</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each section if there is note that it supports 3d catalog it -->
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<xsl:for-each select="refsection">
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<xsl:for-each select="para">
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<xsl:when test="contains(.,'This function supports 3d')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /></listitem>
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<sect1 id="PostGIS_Curved_GeometryFunctions">
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<title>PostGIS Curved Geometry Support Functions</title>
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<para>The functions given below are PostGIS functions that can use CIRCULARSTRING, CURVEDPOLYGON, and other curved geometry types</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each section if there is note that it implements Circular String catalog it -->
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<xsl:for-each select="refsection">
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<xsl:for-each select="para">
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<xsl:when test="contains(.,'supports Circular Strings')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /></listitem>
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<sect1 id="NewFunctions">
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<title>New PostGIS Functions</title>
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<sect2 id="NewFunctions_1_4">
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<title>PostGIS Functions new in 1.4</title>
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<para>The functions given below are PostGIS functions that were introduced in this major release.</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each section if there is note about availability in this version -->
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<xsl:for-each select="refsection">
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<xsl:for-each select="para">
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<xsl:when test="contains(.,'Availability: 1.4')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /> <xsl:text> </xsl:text><xsl:value-of select="." /></listitem>
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<sect2 id="NewFunctions_1_3">
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<title>PostGIS Functions new in 1.3</title>
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<para>The functions given below are PostGIS functions that were introduced in the 1.3 release.</para>
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<!-- Pull out the purpose section for each ref entry and strip whitespace and put in a variable to be tagged unto each function comment -->
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<xsl:for-each select='sect1/refentry'>
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<xsl:sort select="@id"/>
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<xsl:variable name='comment'>
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<xsl:value-of select="normalize-space(translate(translate(refnamediv/refpurpose,'
', ' '), '	', ' '))"/>
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<xsl:variable name="refid">
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<xsl:value-of select="@id" />
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<!-- For each section if there is note about availability in this version -->
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<xsl:for-each select="refsection">
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<xsl:for-each select="para">
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<xsl:when test="contains(.,'Availability: 1.3')">
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<listitem><link linkend="{$refid}"><xsl:value-of select="$refid" /></link> - <xsl:value-of select="$comment" /> <xsl:text> </xsl:text><xsl:value-of select="." /></listitem>
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<!--macro to pull out function parameter names so we can provide a pretty arg list prefix for each function -->
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<xsl:template name="listparams">
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<xsl:param name="func" />
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<xsl:for-each select="$func">
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<xsl:if test="count(paramdef/parameter) > 0">args: </xsl:if>
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<xsl:for-each select="paramdef">
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<xsl:when test="count(parameter) > 0">
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<xsl:value-of select="parameter" />
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<xsl:if test="position()<last()"><xsl:text>, </xsl:text></xsl:if>
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<xsl:if test="count(paramdef/parameter) > 0"> - </xsl:if>
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doc/xsl/postgis_aggs_mm.xml.xsl
