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: Nathan Duran <email@hidden>
- Date: Mon, 13 Jun 2005 13:37:11 -0700
> 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.
I have no idea how to do anything with Excel, but that should be pretty easy
to accomplish with a short script of some form. What exactly do you mean by
"flipped"? Is the byte ordering wrong?
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