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March 2005
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2005.03.21 20:56 "Re: Floating Point Sample Format", by Frank Warmerdam
On Mon, 21 Mar 2005 11:51:16 -0800, Chris Cox <ccox@adobe.com> wrote: > Those tags aren't supposed to be used for scaling anyway - they're > only for information. (see the TIFF spec) Chris, I did notice the comment in the Spec that the SMINSAMPLEVALUE and SMAXSAMPLEVALUE aren't supposed to be used for scaling. Do you have any idea why that comment is there? I have always taken these fields as ok to use for scaling, but with the caveat that they may not be terrible appropriate. But if we want to avoid a prescanning step it would seem like a good first guess at scaling values. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent