Hi, Unfortunately I do not know your script. In a basic WMS usage the available formats are announced in GetCapabilities (hmm, seems to be version 5.6.5...) http://demo.mapserver.org/cgi-bin/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=Getcapabilities
So if this is the default 8-bit png http://demo.mapserver.org/cgi-bin/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&BBOX=-180,-90,180,90&SRS=EPSG:4326&WIDTH=953&HEIGHT=480&LAYERS=bluemarble,continents,country_bounds,cities&STYLES=&FORMAT=image/png&TRANSPARENT=true Then this one using image/png; mode=24bit gives it as 24-bit http://demo.mapserver.org/cgi-bin/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&BBOX=-180,-90,180,90&SRS=EPSG:4326&WIDTH=953&HEIGHT=480&LAYERS=bluemarble,continents,country_bounds,cities&STYLES=&FORMAT=image/png;%20mode=24bit&TRANSPARENT=true -Jukka Rahkonen- Robert R. Raiz wrote: Hello, Basically I would want to get a resulting png8 files because png32 produces a larger file (in KiB). Can someone clear this out for me? If I change PNG32 to PNG8 is returns the same thing (a png32). If I comment this line in the script I still get PNG32. Where does it get the image format from? I thought it is from the mapfile but I cannot seem to change this output. I would need some help in where to look first in order to find the issue. Running shp2img on the mapfile returns the desired outcome, a png8 Thank you all, -- Raiz Roland Robert
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