From: Regina Obe Date: Mon, 18 Mar 2013 19:50:47 +0000 (+0000) Subject: #2238: clarify neighborhood distance terminology X-Git-Tag: 2.1.0beta2~170 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e699650a451d3edd52733dda1458d66f4da56983;p=postgis #2238: clarify neighborhood distance terminology git-svn-id: http://svn.osgeo.org/postgis/trunk@11177 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml index a29eacaee..bc04452b6 100644 --- a/doc/reference_raster.xml +++ b/doc/reference_raster.xml @@ -8648,11 +8648,11 @@ CREATE OR REPLACE FUNCTION sample_callbackfunc(value double precision[][][], pos distancex - The width of the neighborhood, in cells. If not specified only the reference cell is consider (neighborhood of 0). + The distance in pixels from the reference cell. So width of resulting matrix would be 2*distancex + 1.If not specified only the reference cell is considered (neighborhood of 0). distancey - The height of the neighborhood, in cells. If not specified only the reference cell is considered (neighborhood of 0) + The distance in pixels from reference cell in y direction. Height of resulting matrix would be 2*distancey + 1 .If not specified only the reference cell is considered (neighborhood of 0). @@ -8664,7 +8664,7 @@ CREATE OR REPLACE FUNCTION sample_callbackfunc(value double precision[][][], pos - +