[Gdal-dev] color table
Frank Warmerdam
warmerdam at pobox.com
Fri May 30 19:21:11 EDT 2003
Xiaodong Zhang wrote:
> Hi Frank,
>
> I'm just wondering can I write a color table into a GeoTIFF file. I got
> an error message saying that
> SetColorTable() not supported for existing TIFF files.
>
> Thanks
> Xiaodong
Xiaodong,
I believe you can call SetColorTable() only on a newly created file
(created with the GDALDriver->Create() method) if you do it before writing
the first imagery. This is a "quirk" of the TIFF library that makes it hard
to make some structural decisions (like whether an image has a color table)
after you have started writing imagery.
Best regards,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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