[gdal-dev] 8-bit GeoTIFF and transparency over multiple bands

Frank Warmerdam warmerdam at pobox.com
Tue Sep 23 11:36:33 EDT 2008

D wrote:
> I would need to know, if a three band (RGB) 8-bit GeoTIFF can have 
> transparency enabled?
> I know that it is possible to enable transparency on a singleband TIFF.
> Can someone confirm this?


Multi-band TIFF files represent transparency using an alpha band.

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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