[mapserver-users] 16 Bit PNG Output
kaipi
mapcollect at gmx.net
Thu Apr 7 05:19:29 PDT 2011
I am not able to output elevation data as 16 Bit PNGs. Is Mapserver not able
to to this ?
I tried with a current version of Mapserver on Windows and on Linux. I tried
WMS and WCS requests - but I always get 8 Bit PNGs back although I have
configured 16INT. Other formats like GTiff or Esri Bil work fine with 16Int.
Any ideas ?
Thanks,
kaipi
Here is my mapfile:
[...]
OUTPUTFORMAT
NAME 'tif'
DRIVER GDAL/GTIFF
IMAGEMODE INT16
MIMETYPE "image/tif"
END
OUTPUTFORMAT
NAME 'pngint16'
DRIVER GDAL/PNG
IMAGEMODE INT16
MIMETYPE "image/pngint16"
END
[...]
LAYER
NAME "SRTM30"
PROJECTION
"init=epsg:4326"
END
DUMP TRUE
METADATA
"wcs_rangeset_name" "Range 1" ### required to support
DescribeCoverage request
"wcs_rangeset_label" "My Label" ### required to support
DescribeCoverage request
"wcs_label" "SRTM WCS TIF Server"
"ows_extent" "-180 -90 180 90"
"wcs_resolution" "0.0083 -0.0083"
"ows_srs" "EPSG:4326"
END
STATUS default
TYPE RASTER
DATA "S:\dem\srtm\srtm30\SRTM30_16b_BIL_GM.TIF"
CLASS
END
END
[...]
--
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