From cd81da3c468ef87af9b2ee9851842dc18fc684c9 Mon Sep 17 00:00:00 2001
From: Regina Obe <lr@pcorp.us>
Date: Mon, 3 May 2010 03:26:11 +0000
Subject: [PATCH] Link to helper function built using ST_Value

git-svn-id: http://svn.osgeo.org/postgis/trunk@5598 b70326c6-7e19-0410-871a-916f4a2858ee
---
 doc/reference_wktraster.xml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/reference_wktraster.xml b/doc/reference_wktraster.xml
index b263106bd..44747b517 100644
--- a/doc/reference_wktraster.xml
+++ b/doc/reference_wktraster.xml
@@ -1097,6 +1097,10 @@ FROM dummy_rast;
 						translate it every x,y.</para>
 				<para>Also note that many of these examples particular the intersection example can be more 
 					simply done with the planned functions that are not currently available.</para>
+					
+					<para>If you are looking for a function that will take a geometry point and return a pixel value, this is in the works, for now
+						you can use a user contributed function <ulink url="http://trac.osgeo.org/postgis/wiki/UsersWikiwktrasterfunctions">upgis_ptval</ulink>
+					</para>
 				</note>
 				
 				</refsection>
-- 
2.40.0