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September 1994
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1994.09.16 17:46 "Re: TransferFunction Question", by Sam Leffler
To: tiff@sgi.sgi.com
Subject: TransferFunction Question
Date: Fri, 16 Sep 1994 02:15:27 CDT
From: John M Davison <davisonj@ecn.purdue.edu>
Does it make any sense to specify a TransferFunction when any of the
non-extra samples have a SampleFormat that is not equal to 1 (unsigned integer
data)? The TIFF 6.0 Specification is not clear on this.
Probably not. The TIFF 6.0 spec is decidedly unclear on many things
(usually stuff that didn't matter to certain parties that wrote the
spec). In any event, since you'll not likely find too many TIFF readers
that handle non-integer samples you probably know whether or not
the specific TIFF reader that you're writing an image for can or can
not grok the combination of TransferFunction and SampleFormat != 1.
Sam