Re: Absolute Colorimetric Rendering in Photoshop CS2 & CS3
Re: Absolute Colorimetric Rendering in Photoshop CS2 & CS3
- Subject: Re: Absolute Colorimetric Rendering in Photoshop CS2 & CS3
- From: Marco Ugolini <email@hidden>
- Date: Tue, 04 Nov 2008 02:49:46 -0800
- Thread-topic: Absolute Colorimetric Rendering in Photoshop CS2 & CS3
In a message dated 11/3/08 2:51 PM, David Scott Goen wrote:
> It is my understanding that the Absolute Colorimetric rendering intent would
> also print the color of the output destination media.
>
> In Photoshop CS2 & CS3 the Customize Proof Condition dialogue has a display
> option of Simulate Paper Color.
>
> If I selected Absolute Colorimetric as a rendering intent, does that mean
> that it would not simulate the paper color unless the Display Option
> "Simulate Paper Color" was checked?
>
> If Absolute Colorimetric does simulate the paper color onscreen, is the
> Display Option ignored or does it try to simulate the paper color twice
> (whatever the heck that would mean with a monitor, if anything)?
If you are asking whether your destination profile's paper color is
simulated on your proofing paper by selecting the destination profile with
an Absolute Colorimetric intent in Photoshop's Print dialog box (Color
Management tab), the answer is *yes*. That's how you do it.
If you are asking whether checking Simulating Paper Color in the Proof Setup
> Custom dialog box has an effect on your proof, the answer is that it does
*not* affect the printed result. "Simulating Paper Color" only affects
soft-proofing, meaning the way the image is *viewed* (soft-proofed) on your
display, but has no effect on the proof that you *print* on your inkjet.
Incidental remark: of course, the proofing paper must be more neutral and
brighter than your destination's paper substrate if you wish to simulate the
latter on the former, because obviously a darker paper cannot simulate a
lighter paper.
Also, a casted proofing paper (yellowish, reddish, bluish) can simulate a
neutral-looking destination paper only by becoming slightly *darker* than it
already is (since it must add a bluish or reddish tone to the paper to make
it neutral-looking): this means that if the destination paper being proofed
is brighter than the proofing paper, it cannot be simulated properly on the
printed proof.
As much as possible, an ideally flexible and useful proofing paper ought to
be as neutral and bright as possible, and also contain as few optical
brightening agents (OBAs) as possible.
Marco Ugolini
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