document ST_Segmentize new geography function. Will provide example later.

git-svn-id: http://svn.osgeo.org/postgis/trunk@10196 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_editor.xml b/doc/reference_editor.xml
index 5edbf617873417407e663e3c4b12e123be7e2155..87a179de83745204cff89b91d9e9808c2cdba277 100644 (file)
--- a/doc/reference_editor.xml
+++ b/doc/reference_editor.xml
@@ -1218,17 +1218,22 @@ SELECT ST_AsEWKT(ST_Scale(ST_GeomFromEWKT('LINESTRING(1 2 3, 1 1 1)'), 0.5, 0.75
                <refnamediv>
                        <refname>ST_Segmentize</refname>
 
-                       <refpurpose>Return a modified geometry having no segment longer than the
+                       <refpurpose>Return a modified geometry/geography having no segment longer than the
                        given distance.  Distance computation is performed in 2d
-                       only.</refpurpose>
+                       only. For geometry, length units are in units of spatial reference.  For geography, units are in meters.</refpurpose>
                </refnamediv>
 
                <refsynopsisdiv>
                        <funcsynopsis>
                          <funcprototype>
                                <funcdef>geometry <function>ST_Segmentize</function></funcdef>
-                               <paramdef><type>geometry </type> <parameter>geomA</parameter></paramdef>
-                               <paramdef><type>float </type> <parameter>max_length</parameter></paramdef>
+                               <paramdef><type>geometry </type> <parameter>geom</parameter></paramdef>
+                               <paramdef><type>float </type> <parameter>max_segment_length</parameter></paramdef>
+                         </funcprototype>
+                         <funcprototype>
+                               <funcdef>geometry <function>ST_Segmentize</function></funcdef>
+                               <paramdef><type>geography </type> <parameter>geog</parameter></paramdef>
+                               <paramdef><type>float </type> <parameter>max_segment_length</parameter></paramdef>
                          </funcprototype>
                        </funcsynopsis>
                </refsynopsisdiv>
@@ -1237,9 +1242,10 @@ SELECT ST_AsEWKT(ST_Scale(ST_GeomFromEWKT('LINESTRING(1 2 3, 1 1 1)'), 0.5, 0.75
                        <title>Description</title>
 
                        <para>Returns a modified geometry having no segment longer than the
-                       given distance. Distance computation is performed in 2d
-                       only. </para>
+                       given <varname>max_segment_length</varname>.  Distance computation is performed in 2d
+                       only. For geometry, length units are in units of spatial reference.  For geography, units are in meters.</para>
                        <para>Availability: 1.2.2</para>
+                       <para>Enhanced: 2.1.0 support for geography was introduced.</para>
                        <note><para>This will only increase segments.  It will not lengthen segments shorter than
                        max length</para></note>
                </refsection>