From: Pierre Racine Date: Fri, 22 Jul 2011 19:29:07 +0000 (+0000) Subject: Modified comment on further enhancements. X-Git-Tag: 2.0.0alpha1~1186 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5192eb6a4fcec71f5252f109d47be04d146a422a;p=postgis Modified comment on further enhancements. git-svn-id: http://svn.osgeo.org/postgis/trunk@7660 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/raster/scripts/plpgsql/st_mapalgebra_optimized.sql b/raster/scripts/plpgsql/st_mapalgebra_optimized.sql index 88e8d3aa6..44810a77c 100644 --- a/raster/scripts/plpgsql/st_mapalgebra_optimized.sql +++ b/raster/scripts/plpgsql/st_mapalgebra_optimized.sql @@ -39,9 +39,9 @@ -- nodatanodataexpr text - Expression used when both pixel values are nodata values or absent. -- Further enhancements: --- -Optimization for UNION & FIRST. We might not have to iterate over all the new raster. --- -Make the function being able to look for neighbour pixels. Ex. rast1[-1,1] or rast2[-3,2] --- -Make the function to work with neighbour tiles pixels. +-- -Move the expression parameter in seventh position just before other expression parameters. +-- -Optimization for UNION & FIRST. We might not have to iterate over all the new raster. See st_mapalgebra_optimized.sql +-- -Add the possibility to assign the x or y coordinate of the pixel to the pixel (do the same to the one raster version). -- -Resample the second raster when necessary (Require ST_Resample) -- -More test with rotated images --------------------------------------------------------------------