[argyllcms] Re: AW: Black generation and black ink limiting

  • From: Vladimir Gajic <vgajic67@xxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Thu, 1 Apr 2010 15:16:19 +0200

Hello Fabrzio,

yes, I did. I noticed some small changes but nothing wich would lead to a
strong difference. This at least I can claim on FOGRA39-profiles. Anyway I
will do some more testing with other, custom-made profile-sets. I´ll report
then.

Regards
Vladimir

2010/4/1 Fabrizio Levati <fabrizio.levati@xxxxxxxxxxxxxx>

>
> > About the black generation / TAC: The examples you posted -were they
> generated
> > before or after calculating a profile?
>
> I roughly tested the -kp settings with xicclu and then created the profile
> with -qh. The curves I posted come from the profile.
>
> > My "old" way of testing the separation
> > quality of a profile is simply in generating a Lab-ramp (from 0 0 0 to
> 100 0
> > 0) and converting using perceptual ri. This what you see in your
> separations
> > responds almost exactly to what you will get running xicclu -v -g -fb -ip
> > profile.icc Argyll also offers a few excellent images of testing profile
> > conversions.
>
> Thanks for the suggestions. Have you ever tried comparing Photoshop and
> cctiff conversion with Argyll created profile?
>
> Fabrizio
>
>
>
>

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