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Document ST_AddIsoNode - still need to add examples. Update ValidateTopology to reflect enhancements and bug fixes in 2.0.

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git-svn-id: http://svn.osgeo.org/postgis/trunk@6651 b70326c6-7e19-0410-871a-916f4a2858ee
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Regina Obe 2011-01-17 10:39:07 +00:00
parent ff5382c294
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doc/extras_topology.xml
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@ -439,6 +439,8 @@ SELECT topology.AddTopoGeometryColumn('ma_topo', 'ma', 'parcels', 'topo', 'POLYG
<!-- use this format if new function -->
<para>Availability: 1.?</para>
<!-- use this format if not a new function but functionality enhanced -->
<para>Enhanced: 2.0.0 more efficient edge crossing detection and fixes for false positives that were existent in prior versions.</para>
</refsection>
@ -688,6 +690,50 @@ nodeid
</refsection>
</refentry>
<refentry id="ST_AddIsoNode">
<refnamediv>
<refname>ST_AddIsoNode</refname>
<refpurpose>Adds an isolated node to a face in a topology and returns the nodeid of the new node. If face is null, the node is still created.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcprototype>
<funcdef>integer <function>ST_AddIsoNode</function></funcdef>
<paramdef><type>varchar </type> <parameter>toponame</parameter></paramdef>
<paramdef><type>integer </type> <parameter>aface</parameter></paramdef>
<paramdef><type>geometry </type> <parameter>apoint</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsection>
<title>Description</title>
<para>Adds an isolated node with point location <varname>apoint</varname> to an existing face with faceid <varname>aface</varname> to a topology <varname>toponame</varname> and returns the nodeid of the new node.</para>
<para>If the spatial reference system (srid) of the point geometry is not the same as the topology, the <varname>apoint</varname> is not a point geometry, the point is null, or the point intersects an existing edge (even at the boundaries) then an exception is thrown. If the point already
exists as a node, an exception is thrown. </para>
<para>If <varname>aface</varname> is not null and the <varname>apoint</varname> is not within the face, then an exception is thrown.</para>
<!-- use this format if new function -->
<para>Availability: 1.? </para>
<para>&sqlmm_compliant; SQL-MM: Topo-Geo and Topo-Net 3: Routine Details -- X.3.1 </para>
</refsection>
<refsection>
<title>Examples</title>
<!-- TODO -->
</refsection>
<!-- Optionally add a "See Also" section -->
<refsection>
<title>See Also</title>
<para>><xref linkend="AddNode"/>, <xref linkend="CreateTopology"/>, <xref linkend="DropTopology"/></para>
</refsection>
</refentry>
<refentry id="ST_CreateTopoGeo">
<refnamediv>
<refname>ST_CreateTopoGeo</refname>
@ -1001,4 +1047,5 @@ SELECT ST_AsText(topology.ST_GetFaceGeometry('ma_topo', 1)) As facegeomwkt;
</refsection>
</refentry>
</sect1>
</chapter>