Dear list,
Serving up PNG images to a Silverlight client, that needs to have a transparent
background doesn't appear to work for 8-bit PNG and 24-bit PNG, because
Silverlight does not appear to support palette-based transparency. Is there any
way to serve up 32-bit PNG like so:
IMAGECOLOR 255 255 255
IMAGETYPE png32
OUTPUTFORMAT
NAME png32
DRIVER 'AGG/PNG'
MIMETYPE 'image/png'
IMAGEMODE RGBA
EXTENSION 'png'
TRANSPARENT ON
END
Our current MapServer setup is: "MapServer version 5.4.2 OUTPUT=GIF OUTPUT=PNG
OUTPUT=JPEG OUTPUT=WBMP OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE
SUPPORTS=ICONV SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=FASTCGI SUPPORTS=THREADS
SUPPORTS=GEOS INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE"
Simply installed on Ubuntu using apt-get, but had I better compile from source
-–with-experimental-png option instead? Please advise. Thanks in advance.
Regards,
Edward
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