[Chameleon] strange phenomenon with colours in Mozilla/Opera

[Paul Spencer]

Bart,

I just ran across an interesting problem yesterday that may be related. 
  An application I was mocking up for a client was not displaying any 
black lines or labels, only the non-black stuff.  I was using his data 
and map file on my machine.  Then we noticed that it works in IE ... if 
we changed the colours from 0 0 0 to 1 0 0 then everything worked fine. 
  It also worked fine with 0 0 0 if we set TRANSPARENT FALSE.  The error 
seems to occur regardless of output format ... well, jpeg works but 
that's because it doesn't support transparency.  I am not sure if this 
is a problem with MapServer or with browser compatibility, but I am 
inclined to think that it is a MapServer issue (or more likely a GD issue).

We didn't have any issues with Raster layers, but then I don't think we 
were using any :)  Perhaps try setting TRANSPARENT FALSE?

Cheers,

Paul

Bart van den Eijnden wrote:

> Hi list,
> 
> with a raster layer I have a strange problem which only occurs in 
> Mozilla and Opera, not in IE.
> 
> This raster layer has labels in it with the city names of the 
> Netherlands, and they are in black. I have tried changing the Chameleon 
> output format setting (PNG24, PNG, it is currently on PNG24), but with 
> no luck. For sure all images are now generated in png24 format.
> 
> If I request the image directly in the browser using image/png the image 
> looks good, but in Chameleon most of the times it looks strange (white 
> labels instead of black labels).
> 
> To illustrate the problem I have put 2 pictures on my website:
> 
> [the output in a Chameleon application]
> http://www.vz.geodan.nl/users/bart/chameleon.png
> 
> [direct request through WMS in Mozilla]
> http://www.vz.geodan.nl/users/bart/mozilla.png
> 
> Any help appreciated.
> 
> Best regards,
> Bart
> _______________________________________________
> Chameleon mailing list
> Chameleon@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/chameleon
> 

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|Paul Spencer                           spencer@dmsolutions.ca    |
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|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
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