From: Bborie Park <bkpark at ucdavis.edu>
Date: Mon, 29 Oct 2012 20:14:37 +0000 (+0000)
Subject: Set defaults for parameters of ST_Slope(raster). Ticket #1655
X-Git-Tag: 2.1.0beta2~444
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2c5af63f64b06dd589dd9d7d0bebb78399ff4015;p=postgis

Set defaults for parameters of ST_Slope(raster). Ticket #1655

git-svn-id: http://svn.osgeo.org/postgis/trunk@10582 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/NEWS b/NEWS
index 4b9c59a68..adc721eb3 100644
--- a/NEWS
+++ b/NEWS
@@ -43,6 +43,7 @@ PostGIS 2.1.0
     (Bborie Park / UC Davis)
   - ST_Tile(raster) to break up a raster into tiles (Bborie Park / UC Davis)
   - #739, UpdateRasterSRID()
+  - #1655, Addition default values for parameters of ST_Slope
 
 * Enhancements *
   - #823,  tiger geocoder: Make loader_generate_script download portion 
diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index a4866b00c..ee3cb0ef0 100644
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -7823,8 +7823,8 @@ FROM dummy_rast;
 				  <funcprototype>
 					<funcdef>raster <function>ST_Slope</function></funcdef>
 					<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
-					<paramdef><type>integer </type> <parameter>band</parameter></paramdef>
-					<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef>
+					<paramdef choice="opt"><type>integer </type> <parameter>band=1</parameter></paramdef>
+					<paramdef choice="opt"><type>text </type> <parameter>pixeltype=32BF</parameter></paramdef>
 					<paramdef choice="opt"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></paramdef>
 				  </funcprototype>
 				</funcsynopsis>
diff --git a/raster/rt_pg/rtpostgis.sql.in.c b/raster/rt_pg/rtpostgis.sql.in.c
index 2c072142d..fa2b36730 100644
--- a/raster/rt_pg/rtpostgis.sql.in.c
+++ b/raster/rt_pg/rtpostgis.sql.in.c
@@ -3475,7 +3475,7 @@ CREATE OR REPLACE FUNCTION _st_slope4ma(value double precision[][][], pos intege
 	END;
 	$$ LANGUAGE 'plpgsql' IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION st_slope(rast raster, band integer, pixeltype text, interpolate_nodata boolean DEFAULT FALSE)
+CREATE OR REPLACE FUNCTION st_slope(rast raster, band integer DEFAULT 1, pixeltype text DEFAULT '32BF', interpolate_nodata boolean DEFAULT FALSE)
 	RETURNS raster
 	AS $$
 		SELECT