[Gdal-dev] Creating a color geotiff

[Frank Warmerdam]

Pushkar Pradhan wrote:
>>GDAL is supposed to produce TIFF files with a photometric
>>interpretation of
>>RGB if the band type is byte, and the number of bands is 3 or 4.  If this
>>isn't the case, let me know so I can fix it.  As Andrey notes, there are
>>situations where GDAL crates MINISBLACK files, even if they are 3 bands.
>>Basically if the band type is anything but byte.
>>
>>Ideally we should add creation options to control the photometric
>>interpretation
>>explicitly.  If you need it we can do that.
> 
> Frank,
> I think I will need these options, I will be outputting RGB->IHS images, or
> performing wavelet transforms on images which will output 4 bands and
> floating point data, etc.
> I'm still not sure how MINISBLACK vs. PHOTOMETRIC_RGB affects my code.
> Thanks,
> Pushkar

OK ... Andrey could you add a photometric interpretation option to the GDAL
GeoTIFF writing code?

Thanks,
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