From: Sandro Santilli <strk@keybit.net>
Date: Tue, 3 Apr 2012 12:05:45 +0000 (+0000)
Subject: Add note about input noding for ST_Polygonize and ST_BuildArea
X-Git-Tag: 2.0.0~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd4741901329d19e9ccc157355d30e44d0056366;p=postgis

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 ce6747213..b39542eac 100644
--- 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>