dot gain in appliocations
dot gain in appliocations
- Subject: dot gain in appliocations
- From: "Legnani - Fineartprint.it" <email@hidden>
- Date: Wed, 21 May 2008 18:21:58 +0200
Hello List, I’m a photographer and color specialist (another Bruce
Fraser son), working with an editor in high-end illuminated book
reproduction. I shoot and follow the entire color workflow, from
input to output, I produce and edit the proofs (with one profiled
Eizo CG-19, calibrated light – GTI – and Oris Color Tuner with Epson
3800) directly in the museum face to face with the original. The
proof and printing system is calibrated by me; together with the
printer we do tests with visual files, ECI 2002, TAC etc to find a
good paper/ink combination (we always use stochastic screening).
As regards the printer, every time he prints a test and before
printing a book with the relative ink/paper combinations, he
calibrates the CTP with a specific software that targets the FOGRA
characterizations. Since we use many different papers/inks, we
generate our own profiles.
The topic of my work is now this: I read the testchart with Measure
Tool; I then have to decide on the right ink/paper combinations, by
also evaluating the dot gain curve shown by Measure Tool and
ColorThink. The two dot-gain graphic representations are quite
different, (I know that dot gain is converted into status T-density
in Measure Tool and is in XYZ in ColorThink) so my questions are:
Are the graphic representations the same between ColorThink and
Measure Tool?
Or perhaps in ColorThink they represent “something” (adjustment)
after the profile construction?
Is there another software package on the market that is able to read
test charts and graphically evaluate dot gain for cmyk profile?
Thanks to everyone for sharing their knowledge
Roberto Legnani
Bologna Italy
www.fineartprint.it
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