[mapserver-users] Transparency of overlapping PNG-symbols [solved]

[thomas bonfort]

Ok, thanks.
could you check the same mapfile with GD on mapserver 6.0 to see if
the issue still exists?

thomas

On Mon, Apr 11, 2011 at 09:39, Stephan Holl <stephan.holl at intevation.de> wrote:
> Hello thomas,
>
> thomas bonfort <thomas.bonfort at gmail.com>, [20110408 - 16:52:53]
>
>> Given the artifact, I'd say that you are using the GD renderer. Are
>> you sure it's the AGG one that is being selected when you create that
>> image?
>
> At least I was, yes, but after looking at the _right_ mapfile it was
> missing the AGG-rendering-options.
>
> setting the following helps.
>  IMAGETYPE aggpng
>
>  #8bit png, supports transparency.
>  OUTPUTFORMAT
>     NAME aggpng
>     DRIVER AGG/PNG
>     MIMETYPE "image/png"
>     ## transparency only with RGBA Image Mode
>     ## mapserver had to be compiled -with-experimental-png
>     IMAGEMODE RGBA
>     EXTENSION "png"
>     FORMATOPTION "QUANTIZE_FORCE=ON"
>     FORMATOPTION "QUANTIZE_COLORS=256"
>     FORMATOPTION "QUANTIZE_NEW=ON"
>     TRANSPARENT ON
>  END
>
> Best regards
>
>        Stephan
>
>
>> 2011/4/8 Lime, Steve D (DNR) <steve.lime at state.mn.us>:
>> > Can you share the batnight.png file? Any difference if you remove
>> > "TRANSPARENT 0"? It shouldn't have any effect since transparency is
>> > picked up from the pixmap. By chance does this work ok in 6.0?
>> >
>> > Steve
>
> --
> Stephan Holl <stephan.holl at intevation.de> | Tel.: +49 (0)541-33 508 3663
> Intevation GmbH, Neuer Graben 17, 49074 OS  |  AG Osnabrück - HR B 18998
> Geschäftsführer:  Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner
>