RE: G7 method NPDC calculations
RE: G7 method NPDC calculations
- Subject: RE: G7 method NPDC calculations
- From: Roger Breton <email@hidden>
- Date: Wed, 10 Dec 2008 23:16:49 -0500
Terry,
I think, since the recent adoption of ISO/TS 10128, the idea of matching a
print process to a "tone curve", which is what G7 is about, is in the public
domain now.
Roger
>
> I believe the actual curve calculations as embodied in the IDEALink
> Curve software would fall under "intellectual property". You would
> have to find some way to reverse engineer them.
>
> Regards,
> Terry Wyse
>
> Sent from Terry's iPhone
>
> On Dec 8, 2008, at 3:18 AM, Martin Weberg <email@hidden>
> wrote:
>
> > Hi list!
> >
> > I'm trying to compute the NPDC curves used by the G7 method. The
> > definitions are found in E.4 p.49 in Calibrating, Printing and
> > Proofing by the G7 Method v6. However, it only describes the target
> > curve (please correct me if I'm wrong). How do I compute the other
> > infinite number of curves for different maximum neutral density?
> >
> > Martin Weberg
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