[mapserver-users] color range fade to transparent.

[Ben Madin]

Bob,

Nice, I never knew that such a colorrange option existed (at least, I couldn’t find it documented anywhere?) but I would have presumed maybe you could specify the colour using the alpha like any other colour?

> COLORRANGE 255 0 0 255 255 255 255  0 ## red -> transparent



Alternatively, if you had a common background colour, you could fade to that?

cheers

Ben



> On 2015-06-03, at 04:48 , Basques, Bob (CI-StPaul) <bob.basques at ci.stpaul.mn.us> wrote:
> 
> All,
> 
> Anyone know how to use a transparent color on one end of the coloring option?
> 
> COLORRANGE 255 0 0 ??? ??? ??? ## red -> transparent
> 
> It there a RGB color to use for Transparency to fade to?  I basically want to fade a line based on age to nothing.
> 
> Thanks
> 
> bobb
> 
> 
> 
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Ben Madin

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