RE: how to make a color list from an image??
RE: how to make a color list from an image??
- Subject: RE: how to make a color list from an image??
- From: bruce fraser <email@hidden>
- Date: Mon, 13 Jun 2005 12:42:38 -0700
At 3:24 PM -0400 6/13/05, Mike Eddington wrote:
>Too bad this technique does not work on TIFF Lab data?
Regards,
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
Works for me. I can get a text file from a Lab TIFF, but the TIFF I get
from Lab text looks rather odd.
There's a bug in the current versions of ColorLab that causes Lab
TIFFs generated from data files to be screwed up in an interesting
way. On both the a* and b* channels, the sign is reversed, and the
values from 0 to 128 are flipped.
I suspect that someone much more skilled in Excel than I am could
write a formula that would munge the Lab data in such a way that the
TIFFs came out right. I'm sufficiently math-challenged that it made
my head hurt thinking about it.
Bruce
--
email@hidden
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