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May 2001
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2001.05.16 13:18 "Re: finding the offset of a tag", by Ken Murchison
> Is there a way to find the offset of a particular flag in a tiff > directory? > > I have a tag that gives the offset to an additional tiff directory > that contains private tags. I assume if I add the current offset of > the tag to the value I pull out of the tag (ususally 374) I can pass > that into TIFFSetSubDirectory and then read in the values of those > tags. All offsets *should* be relative to the start of the file. If tag 374 is written correctly, you should be able to take its value and feed it directly into TIFFSetSubDirectory(). This works for me with files produced by Kodak digital cameras. Ken -- Kenneth Murchison Oceana Matrix Ltd. Software Engineer 21 Princeton Place 716-662-8973 x26 Orchard Park, NY 14127 --PGP Public Key-- http://www.oceana.com/~ken/ksm.pgp