[mapserver-users] Problem with Transparency and IMAGECOLOR

[Piero Campa]

That is not working for me unfortunately.

I have seen several different approaches, with any sort of format and format
driver (even by setting TRANSPARENT to OFF with RGBA modes --  link
<http://osgeo-org.1560.x6.nabble.com/Using-IMAGECOLOR-to-create-a-transparency-mask-td4241965.html> 
).

I see that transparency is achieved when MapServer itself needs to warp an
image: in that case the IMAGECOLOR param is working as expected.
But if the input file is an already warped image (a TIFF file in my case), I
am not able to tell MapServer that a certain color should be delivered as
transparent.

Further clues..?

*Thank you*



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