I'm pretty sure you can't do what you're trying to do. Best bet would be to create the necessary output formats ahead of time and switch between them with map.imagetype=PNGQ16 or map.imagetype=PNG256...
Steve -----Original Message----- From: mapserver-users-boun...@lists.osgeo.org [mailto:mapserver-users-boun...@lists.osgeo.org] On Behalf Of Ivan Mincik Sent: Tuesday, March 02, 2010 8:27 AM To: mapserver-users@lists.osgeo.org Subject: [mapserver-users] Changing OUTPUTFORMAT via CGI URL Dear Mapserver users, Is it possible to change OUTPUTFORMAT parameters via CGI URL ? I have this OUTPUTFORMAT definition: OUTPUTFORMAT NAME "PNGQ" DRIVER "AGG/PNG" MIMETYPE "image/png" IMAGEMODE RGBA FORMATOPTION "QUANTIZE_FORCE=ON" FORMATOPTION "QUANTIZE_DITHER=OFF" FORMATOPTION "QUANTIZE_COLORS=256" FORMATOPTION "INTERLACE=OFF" EXTENSION "png" END and I want to change FORMATOPTION "QUANTIZE_COLORS=256" to FORMATOPTION "QUANTIZE_COLORS=16". I have tried all possibilities like &map.outputformat[PNGQ]=FORMATOPTION+QUANTIZE_COLORS%3d256& and similar. Can anybody confirm that at least it should be working ? I am using Mapserver 5.2.2. Thanks a lot -- Ivan
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