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

[Frank Warmerdam]

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?

Dejan,

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

Best regards,
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