flesh out creating rasters section a bit.

git-svn-id: http://svn.osgeo.org/postgis/trunk@8439 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/using_raster_dataman.xml b/doc/using_raster_dataman.xml
index cdf829f5ef17dd1001c26316b3273c1ff5f3058d..619b356c1af26e5a461bceaff5d6e05dc4cebc5b 100644 (file)
--- a/doc/using_raster_dataman.xml
+++ b/doc/using_raster_dataman.xml
@@ -232,10 +232,11 @@ psql -d gisdb -f elev.sql</programlisting>
                        <programlisting>CREATE TABLE myrasters(rid serial primary key, rast raster);</programlisting>
                </listitem>
                <listitem>
-                       <para>There are many functions to help with that goal.  If you are creaeting rasters not as a derivative of other rasters, you will want to start with:
+                       <para>There are many functions to help with that goal.  If you are creating rasters not as a derivative of other rasters, you will want to start with:
                                <xref linkend="RT_ST_MakeEmptyRaster" />, followed by <xref linkend="RT_ST_AddBand" /></para>
                        <para>You can also create rasters from geometries.  To achieve that you'll want to use <xref linkend="RT_ST_AsRaster" /> perhaps accompanied with 
-                       other functions such as <xref linkend="RT_ST_Union" /></para>
+                       other functions such as <xref linkend="RT_ST_Union" /> or <xref linkend="RT_ST_MapAlgebraFct2" /> or any of the family of other map algebra functions.</para>
+                       <para>There are even many more options for creating new raster tables from existing tables.  For example you can create a raster table in a different projection from an existing one using <xref linkend="RT_ST_Transform" /> </para>
                </listitem>
                <listitem><para>Once you are done populating your table initially, you'll want to create a spatial index on the raster column with something like:</para>
                        <programlisting>CREATE INDEX myrasters_rast_st_convexhull_idx ON myrasters USING gist( ST_ConvexHull(rast) );</programlisting>