Add note about input noding for ST_Polygonize and ST_BuildArea

git-svn-id: http://svn.osgeo.org/postgis/trunk@9591 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_processing.xml b/doc/reference_processing.xml
index ce6747213651e5ae4ee08ca86dfc49d638e0ef7a..b39542eac9847ed7a15768ac13f44e9c112fb6b9 100644 (file)
--- a/doc/reference_processing.xml
+++ b/doc/reference_processing.xml
@@ -288,6 +288,11 @@ POLYGON((236057.59057465 900908.759918696,236028.301252769 900838.049240578,235
                        form polygons NULL is returned.  The inputs can be LINESTRINGS, MULTILINESTRINGS, POLYGONS, MULTIPOLYGONS, and GeometryCollections.
                        </para>
                        <para>This function will assume all inner geometries represent holes</para>
+
+                       <note>
+                               <para>Input linework must be correctly noded for this function to work properly</para>
+                       </note>
+
                        <para>Availability: 1.1.0 - requires GEOS &gt;= 2.1.0.</para>
                  </refsection>
 
@@ -353,6 +358,7 @@ FROM (SELECT ST_Buffer(
                        <title>See Also</title>
 
                        <para>
+                       <xref linkend="ST_Node" />,
                        <xref linkend="ST_BdPolyFromText" />,
                        <xref linkend="ST_BdMPolyFromText" />wrappers to
                        this function with standard OGC interface</para>
@@ -1753,6 +1759,11 @@ POLYGON((135.59714732062 115,134.384753327498 102.690357210921,130.79416296937 9
                                <para>Geometry Collections are often difficult to deal with with third party tools, so use ST_Polygonize in conjunction with  <xref linkend="ST_Dump" /> to dump the polygons
                                out into individual polygons.</para>
                        </note>
+
+                       <note>
+                               <para>Input linework must be correctly noded for this function to work properly</para>
+                       </note>
+
                        <para>Availability: 1.0.0RC1 - requires GEOS &gt;= 2.1.0.</para>
                </refsection>
 
@@ -1788,7 +1799,10 @@ geomtextrep
 
                <refsection>
                        <title>See Also</title>
-                       <para><xref linkend="ST_Dump" /></para>
+                       <para>
+                       <xref linkend="ST_Node" />,
+                       <xref linkend="ST_Dump" />
+                       </para>
                </refsection>
        </refentry>