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TIFF and LibTiff Mail List Archive

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2004.12.11 19:12 "[Tiff] Q : palettes", by Chris Losinger
2004.12.11 19:57 "Re: [Tiff] Q : palettes", by Frank Warmerdam
2004.12.11 21:01 "Re: [Tiff] Q : palettes", by Joris

2004.12.11 19:57 "Re: [Tiff] Q : palettes", by Frank Warmerdam

On Sat, 11 Dec 2004 14:12:41 -0500, Chris Losinger <losinger@earthlink.net> wrote:

what's the proper way to handle an 8bpp TIFF that has photometric = PHOTOMETRIC_MINISWHITE, and a valid palette?

does the photometric setting override the palette (ignore the image palette, use an inverted grayscale palette), or the other way around?

Chris,

I believe such a file would be out-of-spec, and so there isn't a well defined correct way of handling it. However, I would take the approach of ignoring the photometric interpretation and using the palette in such a case.

Best regards,

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