From a8fef1ac4e789b13d9718640ca5aa97636cb048b Mon Sep 17 00:00:00 2001
From: Regina Obe <lr@pcorp.us>
Date: Mon, 12 Dec 2011 20:23:57 +0000
Subject: [PATCH] example of ST_Union

git-svn-id: http://svn.osgeo.org/postgis/trunk@8363 b70326c6-7e19-0410-871a-916f4a2858ee
---
 doc/reference_raster.xml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index baae878c5..15f5300d5 100644
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -6594,8 +6594,11 @@ UPDATE wind
 			</refsection>
 				
 			<refsection>
-				<title>Examples</title>
-				<!-- coming soon -->
+				<title>Examples: Reconstitute a chunked raster tile</title>
+				<programlisting>-- this creates a single band from first band of raster tiles
+-- that form the original file system tile
+SELECT filename, ST_Union(rast) As file_rast
+FROM sometable WHERE filename IN('dem01', 'dem02') GROUP BY filename;</programlisting>
 			</refsection>
 		
 			<!-- Optionally add a "See Also" section -->
-- 
2.40.0