Re: Editing profile black point?
Re: Editing profile black point?
- Subject: Re: Editing profile black point?
- From: "Alexey Gribunin" <email@hidden>
- Date: Thu, 13 Nov 2003 11:46:05 +0300
Hello Terry Wyse!
>
> My "problem" is that quite often my destination/proofer
>
> profile will end up with a higher minimum L* value than my
>
> source/press profile causing clipping of the shadows in a
>
> colorimetric rendering.
Yes, it's a common problem in case if Lmin of proof device bigger than
Lmin of press. I asked on Best forum to make this setting in ColorProof
but I regret to say that they didn't pay adequate attention to this
problem. Maybe now they'll see that there is a real necessity for it!
>
> Is there a way to edit the black point in a profile? I'm
>
> using Gretag's Profile Editor and I don't see a clear method
>
> for doing that.
I also don't know the simple way. But I developed my own method to make
black point (BP) adjustment (to make BP in proof profile equal to BP in
press profile) about one year ago. But it's still in Excell file (by the
way, I hope many people agree with me that Excell is one of the most
powerfull color management utility:)))). Making BP adjustment takes
about 1-2 minutes, and no ask for visual estimation, only by digits.
Common idea is to adjust Lightness in proof testform's measurements
BEFORE making the profile.
Best regards,
Alexey Gribunin, UNIT Copier, Moscow, Russia.
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