Hi
Since there is now a second user describing that problem, I'm going to
revert the performance optimisation in master (I'm using it without
problem in production).
Regards,
Marco
Am 20.03.2014 20:29, schrieb Andreas Neumann:
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Hi Paolo,
I have the same issue on Ubuntu 12.04 servers. I discussed this with
Marco Hugentobler and he wasn't able to reproduce the issue on his
machine. My assumption is that it may be a some sort of library issue
and my hope is that this issue will go away once Ubuntu 14.04 is
released with newer qt and graphic libraries.
Here is what I found about the issue:
- - it only happens for purely black and white and purely grayscale output
- - if you have only the slightes bit of color you are fine. It is good
enough to e.g. have a gray or 230,230,229 - which still looks
identical to 230,230,230 - the issue is gone
As a workaround you could undo the commit titled:
Revision 8990b66eed2f00253653e64c0ceb695c08a359b7: WMS server: even
more performant png8 conversion
I would love to see this fixed or gone as well. It is annoying for me
to always have to patch QGIS server after each update.
Andreas
Am 20.03.2014 19:07, schrieb Paolo Cavallini:
Hi all. If I configure une layer as png8, the server displays an
unreadable image: anyone confirms? qgis 2.2 on Debian wheezy. All
the best. _______________________________________________
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--
Dr. Marco Hugentobler
Sourcepole - Linux & Open Source Solutions
Weberstrasse 5, CH-8004 Zürich, Switzerland
[email protected] http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee
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