From: Bborie Park <bkpark at ucdavis.edu>
Date: Fri, 14 Dec 2012 20:27:30 +0000 (+0000)
Subject: Added support for padded edge tiles to ST_IsCoverageTile()
X-Git-Tag: 2.1.0beta2~292
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bc906c6c6d9f2ede64bdaae68c251393f4dd8566;p=postgis

Added support for padded edge tiles to ST_IsCoverageTile()

git-svn-id: http://svn.osgeo.org/postgis/trunk@10839 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/raster/rt_pg/rtpostgis.sql.in.c b/raster/rt_pg/rtpostgis.sql.in.c
index dfd9cfdb1..42df2cc34 100644
--- a/raster/rt_pg/rtpostgis.sql.in.c
+++ b/raster/rt_pg/rtpostgis.sql.in.c
@@ -5305,6 +5305,16 @@ CREATE OR REPLACE FUNCTION st_iscoveragetile(rast raster, coverage raster, tilew
 			END IF;
 		END IF;
 
+		-- edge tile
+
+		-- edge tile may have same size as inner tile
+		IF 
+			(_rastmeta.width = tilewidth) AND
+			(_rastmeta.height = tileheight)
+		THEN
+			RETURN TRUE;
+		END IF;
+
 		-- get edge tile width and height
 		edge[0] := _covmeta.width - ((max[0] - 1) * tilewidth);
 		edge[1] := _covmeta.height - ((max[1] - 1) * tileheight);