Re: dot gain in applications
Re: dot gain in applications
- Subject: Re: dot gain in applications
- From: "Legnani - Fineartprint.it" <email@hidden>
- Date: Thu, 22 May 2008 15:32:13 +0200
Il giorno 21/mag/08, alle ore 21:20, Mike Eddington ha scritto:
I'm really not sure overall how this assists with paper selection
though. If you've already undergone press calibrtation towards "fogra
characterizations" and press profile generation, hasn't that choice
already been made?
I have to admit that –unlike the rest of the workflow – this part
is quite a new ballgame for me. I’m checking out 2 types of paper:
one is a matte coated and the other a special paper. The special is
a mix between an uncoated and coated because its surface fiber is
more compact, so the gamut is larger than an uncoated paper and the
visual effect is of a “natural paper”. With 3 different types of
ink on each, (normal and high-density) we are trying to enlarge the
gamut, especially for the special one. Here some of you will notice
that we are moving a bit away from “Fogra characterization”
because Fogra does not concern that type of paper (but as far as I
know, stochastic screening is also not pertinent).
But it is important for me to have color repeatability during the
whole printing process, and the software calibration plate (which
may bring a certain characterization)ensures this repeatability.
Even though the software linearizes the paper/ink combination,
there are combinations that render an uneven TVI curve (eg. with
peaks) as well as ones with strong differences between them. The
problem is that I have to evaluate these curves to choose the best
paper/ink combination (as well as gamut space and good quality
visual response), and so when evaluating a TVI curve I must be sure
to choose the right tool/method to do it.
Regards
Roberto Legnani _______________________________________________
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