Re: Silly question department, Display Media White Point
Re: Silly question department, Display Media White Point
- Subject: Re: Silly question department, Display Media White Point
- From: Graeme Gill <email@hidden>
- Date: Tue, 03 Mar 2015 14:57:51 +1100
Roger Breton wrote:
> Why couldn't it be mathematically defined based on some "real world measurements", like Fogra39?
Well of course you could, but it would be limited to that gamut, and may not
have other characteristics that are easy to accomplish in a synthetic
profiles, such as C=M=Y and K being perfectly neutral, etc.
I note with some amusement that the capability of creating such
a synthetic profile exists with the much maligned PhotoShop
"Built-in" CMYK model :-)
> I am no color scientist and was only briefly exposed to models of printing like
> Neugebauer which, in their basic formulation, I was explained, fail to accurately model
> real print behavior.
Yep.
> I know there are "extensions" to the model but never seen them
> documented.
Lots of papers out there.
> All I'm saying, naively perhaps, is that, to create an artificial model of
printing, does not one need to start with some real world colorimetry, and work from there?
Depends on how realistic vs. ideal you want the result. With a print profile that's
a much more stark tradeoff than with an additive device like a display.
> I have a hunch that many "standards" and "specifications" are nothing more than some
> core dataset that's been massaged in some way to conform to some idealized behavior,
> that's what I mean by "synthetic".
Not so much idealized as averaged & smoothed with outliers removed I'd think.
Graeme Gill.
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