Re: The GRACoL method
Re: The GRACoL method
- Subject: Re: The GRACoL method
- From: Roger Breton <email@hidden>
- Date: Tue, 06 Feb 2007 07:34:08 -0500
Hi Don,
Thank's for the clarification. It helps place G7 in a different perspective.
In working with the method myself, I have found it difficult to plot things
on the NDPC fangraphs. Are these curves available separately, at all, in
separate PDFs or on separate layers, by any chance, or, even better, in
numeric form, for those of us who are mathemetically inclined, to enable
using a tool like Microsoft Excel for plotting densities as a function of
dot area, on the same sheet we plot our own custom curves derived from
P2P23xn measurements? I understand there isn't much harm to be had with
curves not being followed exactly 1% here and there, when extending from one
of the existing targets curves to our own curves -- this is a moot
discussion for IDL users --, but, for the sake of doing the exercice
rigourously, I, for one, would greatly appreciate having access to the
standard curves separately or, better, in numeric form.
Incidently, in searching through the V6 Training Guide PDF, I have not come
across much in terms of the "nominal curves". Where do these come from, if I
may ask? Or, how were they derived if that's not considered secret sauce?
Sorry if the question has already been asked before on this list :(
Thank's for your patience and kind help,
> Good question. The short answer is that files separated to traditional SWOP
> TVI numbers should look "normal" on a G7-calibrated press, because the G7
> NPDC (Neutral Print Density Curve) closely mimics the NPDC of TR001, which
> is the basis of Adobe's US Web Coated (SWOP)v2 profile, and most proofing
> and scanner setups.
>
> Don
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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