Added addBBOX() and dropBBOX() documentation.

git-svn-id: http://svn.osgeo.org/postgis/trunk@1166 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/postgis.xml b/doc/postgis.xml
index 0d7d185567b02367beac3cf10d2c07b7d28eee3f..fb4235b2603e58c6ac9ef8d1dfaab21fe976c218 100644 (file)
--- a/doc/postgis.xml
+++ b/doc/postgis.xml
@@ -3886,6 +3886,24 @@ FROM geometry_table;</literallayout>
           </listitem>
         </varlistentry>
 
+        <varlistentry>
+          <term>addBBOX(geometry)</term>
+          <listitem>
+            <para>Add bounding box to the geometry. This would make bounding
+           box based queries faster, but will increase the size of the
+           geometry.</para>
+          </listitem>
+        </varlistentry>
+
+        <varlistentry>
+          <term>dropBBOX(geometry)</term>
+          <listitem>
+            <para>Drop the bounding box cache from the geometry.
+           This reduces geometry size, but makes bounding-box based
+           queries slower.</para>
+          </listitem>
+        </varlistentry>
+
         <varlistentry>
           <term>force_collection(geometry)</term>