Fix typo in ST_SetSRID and add examples

git-svn-id: http://svn.osgeo.org/postgis/trunk@6782 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_editor.xml b/doc/reference_editor.xml
index dbde1a3fd5047acce94315bcc8624bc0394e81ef..4cc8b3c21535305892bd0065268a5dd36187bf2e 100644 (file)
--- a/doc/reference_editor.xml
+++ b/doc/reference_editor.xml
@@ -1251,19 +1251,33 @@ LINESTRING(-1 2 3,-1 3 4,-1 1 3)
                Useful in constructing bounding boxes for queries.</para>
 
                <note>
-                 <para>This function does not transform the geometry is any way -
-                 it simply sets the projection the geometry that it's currently in.
+                 <para>This function does not transform the geometry coordinates in any way -
+                 it simply sets the meta data defining the spatial reference system the geometry is assumed to be in.
                  Use <xref linkend="ST_Transform"/> if you want to transform the
                  geometry into a new projection.</para>
                </note>
                <para>&sfs_compliant;</para>
                <para>&curve_support;</para>
          </refsection>
+         
+         <refsection>
+                       <title>Examples</title>
+                       <para>-- Mark a point as WGS 84 long lat --</para>
+                       <programlisting>SELECT ST_SetSRID(ST_Point(-123.365556, 48.428611),4326) As wgs84long_lat;
+-- the ewkt representation (wrap with ST_AsEWKT) -
+SRID=4326;POINT(-123.365556 48.428611)
+                       </programlisting>
+                       <para>-- Mark a point as WGS 84 long lat and then transform to web mercator (Spherical Mercator) --</para>
+                       <programlisting>SELECT ST_Transform(ST_SetSRID(ST_Point(-123.365556, 48.428611),4326),3785) As spere_merc;
+-- the ewkt representation (wrap with ST_AsEWKT) -
+SRID=3785;POINT(-13732990.8753491 6178458.96425423)
+                       </programlisting>
+               </refsection>
 
          <refsection>
                <title>See Also</title>
 
-               <para><xref linkend="spatial_ref_sys" />, <xref linkend="ST_SRID"/>, <xref linkend="ST_Transform"/>, <xref linkend="UpdateGeometrySRID"/></para>
+               <para><xref linkend="spatial_ref_sys" />, <xref linkend="ST_AsEWKT"/>, <xref linkend="ST_SRID"/>, <xref linkend="ST_Point" />, <xref linkend="ST_Transform"/>, <xref linkend="UpdateGeometrySRID"/></para>
          </refsection>
 
        </refentry>