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Digital BW, The Print

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Re: Linearization - mathematical or perceptual- Roy

2004-04-30 by Tyler Boley

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy Harrington"
<roy@h...> wrote:
...
> Sure.  You can make any of the situations work for you.
> I was just thinking that if someone already had a file they had
> worked on in a color managed environment, it would be nice if they
> got very close when they tried to move over to one of our B&W
> managed environments.

Right, sorry. I suspect you will be closer than I since you linearize
to LAB, since that's the reference for all icc profile conversions. As
long as any file is tagged though, I can convert it to print to match.
That's the idea anyway. In the reall world I've seen icc profiles that
don't print identically in terms of lightness, though they should. And
even though I convert all kinds of files here to my 20% gray space I
still usually have to do a slight bit of work after.
If you can make a custom dot gain grayscale space in PS that
corresponds precisely to LAB and save it out as a profile, you should
be able to do the same there. For that matter, if a file of yours came
in here tagged with that space, theoretically I could convert to 20%
and match.
I just hardware calibrated and profiled my monitor twice within a half
hour, and the two profiles don't look the same, so all of this still
has a ways to go. When I make color profiles I measure the chart
several times and then average them in Measure tool, sometimes it's
suprising how different they are.
My i1 just got back from a repair in Switzerland and is already acting
up a bit. I've had it about 9 months, it's been replaced once and
repaired once, and is not acting healthy today. My confidence in all
this is low today, so is my bank account.
Tyler

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