>From what Ed said, editing the color table is useless. Try to expand the tiff to rgb and proceed from there. At least the error message should change. ;-)
On Mon, Feb 8, 2010 at 8:52 PM, Grissom, Edward (Ed) < [email protected]> wrote: > > Are you aware that the TIFF (and GeoTIFF) spec does not allow you to set > a transparent color ? > > The TIFF spec allows a transparency bit-mask or an alpha channel -- each > of which covers the entire image, but does not allow a specific color > value to be used as transparent. > > I believe that the spec also forbids a alpha channel on the color table > itself. It may allow one on a color indexed image, but it may be that > GDAL has not implemented support for that yet. > > > > -- > ed grissom > [email protected] > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9848167848 17.241582N 80.142635E
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