[mapserver-users] Transparency of overlapping PNG-symbols [solved]
Stephan Holl
stephan.holl at intevation.de
Mon Apr 11 00:39:34 PDT 2011
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
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