Re: Colorsync-users Digest, Vol 14, Issue 14
Re: Colorsync-users Digest, Vol 14, Issue 14
- Subject: Re: Colorsync-users Digest, Vol 14, Issue 14
- From: Malcolm Mackenzie <email@hidden>
- Date: Tue, 07 Mar 2017 10:45:58 +0000
Hi Martin
I did a few tests in i1P and confirm your findings.
The "Intelligent Black" feature does odd thing when it thinks TAC should be
low and the Max K separation/width is
contributing to the low yellow. I've had issues with the settings for
digital as have others online.
I remade the profile with the same data and it was fine, so it's an i1P
thing.
I've never got an answer or seen one from X-Rite on the issue.
Malcolm
+44 (0)20 3239 3330
+44 (0)7910 413421
email@hidden
skype; print_and_proof
LinkedIn <http://uk.linkedin.com/pub/malcolm-mackenzie/7/326/778/>
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On 6 March 2017 at 20:00, <email@hidden> wrote:
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> Today's Topics:
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> 1. Re: FOGRA52 & i1Profiler (Martin Orpen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 06 Mar 2017 13:44:12 +0000
> From: Martin Orpen <email@hidden>
> To: "'colorsync-users?lists.apple.com' List"
> <email@hidden>
> Subject: Re: FOGRA52 & i1Profiler
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset="utf-8"
>
>
> > On 1 Mar 2017, at 00:21, Martin Orpen <email@hidden> wrote:
> >
> > I’ve made some MaxK and Full Black profiles using both the supplied
> FOGRA52.mxf and by importing the raw ECI data and they produce a Y channel
> that has next to nothing in it if you use the profiles in Photoshop.
>
>
> I guess that FOGRA52 isn’t that popular then?
>
> The PSO Uncoated v3 (FOGRA52) profile documentation says:
>
>
> The profile was created using the Heidelberg Color
> Tool 17 with the following settings:
> black length 9 (starting point 10%)
> black width 10
> total dot area 300%
> maximum black 96%
>
>
> I can’t get yellow values anywhere near those generated by this profile
> using i1Profiler or ArgyllCMS.
>
> And nothing even remotely close to the neutral curves of the Heidelberg
> perceptual rendering.
>
> So I gave up and separated to a custom built FOGRA47L instead and then
> proofed the job to FOGRA52.
>
> I find it odd that the dark patch on the ECI/BVDM Gray Control Strip for
> FOGRA52 is C62 M55 Y60 — an ink combination that the ICC profile is
> incapable of producing...
>
> --
> Martin Orpen
> Idea Digital Imaging Ltd
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