[Mapserver-users] problem with IMAGEMODE RGBA

[Lowell Filak]

I haven't used 24-bit color yet, but does it have to do with the
specified map IMAGECOLOR?
Lowell

The following message was sent by "Matt Doggett"
<mdoggett at coas.oregonstate.edu> on Wed, 27 Aug 2003 14:26:27 -0700.

> I need to use 24-bit PNG output with transparency so I'm using IMAGEMODE
> RGBA.  However, with this mode, Mapserver creates an image with a bogus
> gray background colors most notably in the legend icons and the labels.
> If I turn all the layers off, then the entire map background is gray.
> 
> Does anyone know what's going on here? I've attached a JPEG image
> showing what this looks like.
> 
> Here is a snippet of my .map file:
> 
>   OUTPUTFORMAT
>     NAME PNG24
>     DRIVER "GD/PNG"
>     MIMETYPE "image/png"
>     IMAGEMODE RGBA
>     EXTENSION "png24"
>     FORMATOPTION "INTERLACE=ON"
>   END
>   IMAGETYPE PNG24
> 
> 
> 
> Matt
> (RedHat8.0, Apache2.0, Mapserver 4.0, Php4.2.3, gd-2.0.12)
> 
>