Hi,
I am trying to use a PNG image with 16-bits per color band
(TYPE=UInt16 according to GDAL) as a raster layer in mapserver. But
what comes out is reduced to a 8-bit per color band PNG (TYPE=BYTE)
resulting in a loss of colors.
I tried various imagetype options like aggpng24, png24 and my own
outputformat definitions with imagemode RGB, RGBA and INT16 but all
gave the same result.
It seems that I should be using INT16 but mapserv crashes on it.
Apache log file only shows "Premature end of script headers: mapserv".
Also the documentation mentions "No presentation" for the INT16
option: what does that mean?
This is the mapserver I am using:
<!-- MapServer version 5.2.0 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=SOS_SERVER SUPPORTS=GEOS INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR
INPUT=GDAL INPUT=SHAPEFILE -->
Reinoud Bokhorst
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