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

Stephan Holl stephan.holl at intevation.de
Mon Apr 11 01:03:04 PDT 2011


Hello thomas,

thomas bonfort <thomas.bonfort at gmail.com>, [20110411 - 09:41:54]

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

We will do so when we have set up a MS6-Box, which will be the case
soon since my collegue björn is going to package MS6 shortly in the
future. 

Best
	Stephan

> 
> 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
> >



-- 
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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