D wrote:
I would need to know, if a three band (RGB) 8-bit GeoTIFF can have
transparency enabled?
No, there would be no way to know the transparency for a pixel if there
are only red/green/blue values available. For that you'll need a 4-band
(rgba) image.
I know that it is possible to enable transparency on a singleband TIFF.
In that case you'd have one band containing color indices instead of rgb
color values. These color indices than map into a rgba colortable which
defines color and transparency for that color index.
Can someone confirm this?
Best regards,
Dejan Gregor
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