[argyllcms] Re: ICC files and OSX ; Missing target gamma in icc issue?
- From: Roger Breton <graxx@xxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 07 May 2008 07:11:49 -0400
Just a quick question / fragen in passing.
Does Argyll actually stores the equivalent of Apple's VCGT into these
per-channel LUTs, each with 512 entries?
Meaning, when these calibration settings are transferred over to the host
computer video LUTs, this effectively linearize the display to the choice of
user gamma (or L*)?
White making every R=G=B point along the way
(8,8,8/32,32,32/64,64,64/92,92,92/128,128,128/...) the same chromaticities
as the calibrated white point?
Seems like it.
> I would expect that some other calibration packages use
> the table form of TRC as well. I also haven't noticed any issues on
> my two Macs, and neither have a number of other people that I know
> who have been creating profiles for Macs.
>
> It's easy to create a gamma based profile, use the -ag option with profile.
>
> Graeme Gill.
>
Roger Breton
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