Re: Images and TAC values
Re: Images and TAC values
- Subject: Re: Images and TAC values
- From: Martin Orpen <email@hidden>
- Date: Fri, 12 Dec 2014 00:04:01 +0000
On 11 Dec 2014, at 23:36, Roger Breton <email@hidden> wrote:
>
> Mind you, one can never go over the TIL built inside a CMYK output profile for as long as the image is in RGB space, only at the time of conversion does the R=G=B=0 gets mapped to whatever 300% or 320% or whatever TIL embodied in an output profile.
Which is why it seemed clear that the OP was talking about editing CMYK images…
> This has nothing to do with gamut warning, Martin. In my humble knowledge.
Really?
If you edit a CMYK image which has a TAC of 300% and make it 400% Photoshop’s Gamut Warning should show this shouldn’t it?
If you set the soft proof profile to something similar — for example the BasICColor version of ISO Coated v2 (300) while your image is in the usual ICC version it will “kind of” do it.
310% TAC is outside of the limits of the profile. Why doesn’t Photoshop’s gamut warning show this?
--
Martin Orpen
Idea Digital Imaging Ltd
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