[postgis-commits] svn - r2737 - trunk/doc

[postgis-commits at postgis.refractions.net]

Author: pramsey
Date: 2008-02-12 07:05:23 -0800 (Tue, 12 Feb 2008)
New Revision: 2737

Modified:
   trunk/doc/postgis.xml
Log:
Document ST_SimplifyPreserveTopology(geometry,float)


Modified: trunk/doc/postgis.xml
===================================================================
--- trunk/doc/postgis.xml	2008-02-12 15:03:25 UTC (rev 2736)
+++ trunk/doc/postgis.xml	2008-02-12 15:05:23 UTC (rev 2737)
@@ -4863,6 +4863,16 @@
           </varlistentry>
 
           <varlistentry>
+            <term>ST_SimplifyPreserveTopology(geometry, tolerance)</term>
+            <listitem>
+              <para>Returns a &quot;simplified&quot; version of the given
+              geometry using the Douglas-Peuker algorithm. Will avoid 
+              creating derived geometries (polygons in particular) that
+              are invalid.</para>
+            </listitem>
+          </varlistentry>
+
+          <varlistentry>
             <term>ST_SnapToGrid(geometry, originX, originY, sizeX, sizeY)</term>
 
             <term>ST_SnapToGrid(geometry, sizeX, sizeY)</term>