[Mapserver-users] making the demo work with non-gif GD libs

[richard hornsby]

I think I'm running with GD libs somewhere around 1.8, but the point being
that they don't support GIF rendering, because of the patent issues, etc.
However, when running the mapserv demo, I wasn't getting errors
specifically related to GD - instead I was getting things like:

 msLoadMap(): General error message. Undefined symbol "symbols/ctyhwy.gif"
 in class 0 of layer ctyrdln3_anno.

The "symbol" exists in the directory that it should.  The docs suggest to
comment out large sections of your .map file.  However, I converted the
.gif symbols and 'reference.gif' to pngs, and changed the references in
demo.map to png, it works happily.

Slightly off-topic, for larger projects which need this kind of
conversion, you can certainly use sed on the .map file, but does anyone
know of tools to convert images between formats quickly (ala sox)?

thanks
-rj

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