Re: Canned Epson Profiles and black point + linear GCR
Re: Canned Epson Profiles and black point + linear GCR
- Subject: Re: Canned Epson Profiles and black point + linear GCR
- From: Roger Breton <email@hidden>
- Date: Mon, 26 Jul 2004 23:24:05 -0400
Graeme Gill wrote:
>
GCR/UCR was all about the accident of their implementation. In the
>
days of optical/analog processing, UCR was easy, GCR was hard. They are
>
just opposite extremes of the same idea, and in this modern
>
age, it's to be expected that you can choose any combination
>
between them. Full GCR puts as much black as possible in all
>
colors, Full UCR puts as much black as possible in neutral and
>
near neutral colors only. I'd imagine a "width" control determines
>
how broadly near neutral colors are determined. At minimum this
>
would constitute UCR, and maximum it would constitute GCR.
Now, the only thing remaining, it seems, is some guidelines for when one
type of separation style is better than the other. I'm thinking of the
traditional silverware image with lots of grays. That image is invariably
better served by GCR with a 'wide' black, isn't it? On the other hand,
portraits may be better served by UCR.
Can we draw some generalizations?
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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