amend mapserver instructions mode='2' is now required for most rasters to display

git-svn-id: http://svn.osgeo.org/postgis/trunk@6811 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/faq_raster.xml b/doc/faq_raster.xml
index 775330edc10b851f9126a772582ade59b0531de1..5a498e01acb156ff29ef84f849438fd44f7bb10e 100644 (file)
--- a/doc/faq_raster.xml
+++ b/doc/faq_raster.xml
@@ -172,6 +172,7 @@
         <para>What makes PostGIS raster data particularly interesting, is that since 
                each tile can have various standard database columns, you can segment it in your data source</para>
         <para>Below is an example of how you would define a PostGIS raster layer in MapServer.</para>
+        <note><para>The mode=2 is required for tiled rasters and was added in PostGIS 2.0 and GDAL 1.8 drivers.  This does not exist in GDAL 1.7 drivers.</para></note>
         <programlisting>
 -- displaying raster with standard raster options
 LAYER
@@ -179,7 +180,7 @@ LAYER
        TYPE raster
        STATUS ON
        DATA "PG:host=localhost port=5432 dbname='somedb' user='someuser' password='whatever' 
-               schema='someschema' table='cooltable'"  
+               schema='someschema' table='cooltable' mode='2'" 
        PROCESSING "NODATA=0"
        PROCESSING "SCALE=AUTO"
        #... other standard raster processing functions here
@@ -209,9 +210,8 @@ LAYER
        TYPE raster
        STATUS ON
        DATA "PG:host=localhost port=5432 dbname='somedb' user='someuser' password='whatever' 
-               schema='someschema' table='cooltable' where='survey_year=2009'" 
+               schema='someschema' table='cooltable' where='survey_year=2009' mode='2'"        
        PROCESSING "NODATA=0"
-       PROCESSING "SCALE=AUTO"
        #... other standard raster processing functions here
        #... classes are optional but useful for 1 band data
 END