<listitem>
<para>(Recommended) GEOS geometry library. The GEOS library is used
to provide geometry tests (ST_Touches(), ST_Contains(), ST_Intersects()) and
- operations (Buffer(), GeomUnion(), Difference()) within PostGIS.
+ operations (ST_Buffer(), ST_Union(), ST_Difference()) within PostGIS.
GEOS is available for download from <ulink
url="http://geos.refractions.net">http://geos.refractions.net</ulink>.</para>
</listitem>
</varlistentry>
<varlistentry>
- <term>ST_GeomUnion(geometry, geometry)</term>
+ <term>ST_Union(geometry, geometry)</term>
<listitem>
<para>Returns a geometry that represents the point set union of
</varlistentry>
<varlistentry>
- <term>ST_MemGeomUnion(geometry set)</term>
+ <term>ST_MemUnion(geometry set)</term>
<listitem>
<para>Same as the above, only memory-friendly (uses less memory