On Thu, Aug 02, 2007 at 05:29:51PM +0100, Stuart Eve wrote: > Ahh thanks Chris, > > I am using Mapserver 4.10 as the WMS server. http://mapserver.gis.umn.edu/docs/reference/mapfile/outputformat OUTPUTFORMAT NAME png DRIVER "GD/PNG" MIMETYPE "image/png" IMAGEMODE RGB EXTENSION "png" END Regards, -- Christopher Schmidt MetaCarta