Maximizing printed gamut
Maximizing printed gamut
- Subject: Maximizing printed gamut
- From: "Walter Zacharias" <email@hidden>
- Date: Tue, 12 Mar 2002 08:29:30 -0600
Walter Zacharias
Production Analyst
Friesens Corporation
email@hidden
Reward is what you get for doing good.
Blessings are the seeds you've been given
in order to do good. - Steve Bell
>
>> Henrik Holmegaard wrote:
<snip>
Moreover, FOGRA is right that the concept of targetting solely for
TR001 is not optimal. TR001 though a colorimetric target which
supports separation and simulation within the ICC framework, remains
a gamut smaller than a printing press run to ISO 12647-2 paper type 1
and paper type 2 is capable of.
Personally, I kind of doubt that users realize they are reducing the
gamut of their RGB / Lab originals to much less than may be
necessary. The reason is that they don't have a concept of how many
gamuts the same printing press is capable of. This is going to change
rapidly as 3D gamut comparison becomes standard.
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Henrik and others:
Two questions.
1) How do you determine the maximum gamut of a press? Is it merely by BFI (brute force and ignorance) or in other words trial and error? Or is there a smarter (cost effective) way of approaching this?
We've just completed a series of press runs to test the difference various printing conditions make on the gamut of the printed sheet. I am disappointed by the limited differences realized.
2) "3D comparison" - I currently use two methods for comparison. One is a 3D comparison -MonacoPROFILER - View Gamut which gives you a great visual of a profile gamut but is really difficult to determine numeric differences. The other is simply creating a 2D graph of the a* and b* axis. This however is also limited.
Is there profile/gamut comparison software already available? From whom? (Stand-alone app. would be preferred.)
_______________________________________________
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