[mapserver-users] Symbol Image Quality

Robert Sanson SansonR at asurequality.com
Wed Jul 22 18:28:15 EDT 2009


Hi Adam
 
What pixel dimensions are your image symbols? If they are not already scaled to an appropriate size for display on a map, Mapserver has to downsample them to fit in with the overall image dimensions of your map (eg. 512x512), within which your sumbols might only occupy a very small size - say 16x16 pixels. That is likely the issue here. You need to have symbols that are clear at these sizes.
 
Regards,
 
Robert Sanson

>>> Adam Eskreis <aeskreis at gmail.com> 23/07/2009 10:10 a.m. >>>
Hello all,

I am creating a symbol layer which uses images as the symbols. The images themselves are fairly high quality, however, when mapserver renders the images, they are losing a significant amount of that quality. I am using 24 bit pngs but they don't seem to get the job done. What are the other rendering alternatives that could get a better output?

-Adam



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