[GRASS-dev] new r.out.gdal fails to preserve 8bit color
Markus Neteler
neteler at fbk.eu
Tue Nov 20 11:52:18 EST 2007
Maciej Sieczka wrote:
>
> Maciej Sieczka wrote:
>> Exporting a CELL GRASS raster, value range 0-255, r.out.gdal issues an:
>>
>> ERROR 6: SetColorInterpretation() not supported for this dataset.
>>
>> and the output map is greyscale.
>
> There is a discussion about this defect on the GDAL dev list:
> http://www.nabble.com/r.out.gdal%3A-SetColorInterpretation%28%29-not-supported-tf3021127.html
>
I have submitted a fix to CVS. Now a valid color table is also written
in the case that the user does not manually select Byte/UInt16 type
*and* the data range supports this. I used a range check to preselect the
GDAL type.
Additionally, the used GDAL data type is advertised in a new user message.
Finally the GeoTIFF color tables work easily :)
Tested with Spearfish: fields, spot.image, aspect, elevation.dem,
elevation.10m
Markus
PS: Proudly presented by
http://wiki.osgeo.org/index.php/European_GIS_Code_Sprint
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