[argyllcms] Re: Neutralize Grey Axis
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 12 Jan 2011 22:49:56 +1100
Nikolay Pokhilchenko wrote:
Graeme, am I right in supposing that pointing viewers adaptation to D50 for
colprof
lead to better matchig of the grayscale prints with other true neutral-in-D50
prints in
D50-illuminated enviroment?
Only if it's a more accurate description of the viewing situation. If the
print is actually neutral with respect to it's paper color, yet appears blue
to the observer, then the observer must be making that judgement with respect
to some other white reference. If they are viewing another print with a
warmer white point as a reference, then this would explain the effect.
A logical way of creating a better match is to specify what the situation
actually is (by overriding the default assumptions of viewer white point),
and then let the color appearance space matching do its stuff.
Graeme Gill.
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