[argyllcms] Re: Null device links
- From: Klaus Karcher <lists@xxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 04 Feb 2010 08:44:02 +0100
Hi Roger,
you wrote:
Would it be possible to create a "null" device link profile? Something that,
perhaps, would have all structures intact as linear? So that Output = Input,
religiously.
I don't know what you aim to do with it, but -- besides Graeme's
proposal -- maybe ColorSpace Conversion Profiles could be a substitute.
You can use either Apple's "Generic Lab" or "Generic XYZ" Profiles or
the "xyz.icc" profile I posted on Jan 31.
Example:
cd /System/Library/ColorSync/Profiles/
icclu -ff Generic\ XYZ\ Profile.icc
0.33 0.33 0.33
0.330000 0.330000 0.330000 [XYZ] -> Lut ->
0.330000 0.330000 0.330000 [XYZ]
icclu -ff Generic\ Lab\ Profile.icc
50 0 0
50.000000 0.000000 0.000000 [Lab] -> Lut ->
50.000000 0.000000 0.000000 [Lab]
... but note that even though this profiles are "flawless" in itself,
they can cause huge interpolation errors in combination with other
profiles (unless you use them with Argyll 1.1.1 Beta).
Klaus
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