[argyllcms] Re: ArgyllCMS V1.1.0 RC1 is now available
- From: "Gerhard Fürnkranz" <nospam456@xxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 09 Nov 2009 20:19:48 +0100
-------- Original-Nachricht --------
> Datum: Mon, 09 Nov 2009 18:31:01 +1100
> Von: Graeme Gill <graeme@xxxxxxxxxxxxx>
> An: argyllcms@xxxxxxxxxxxxx
> Betreff: [argyllcms] Re: ArgyllCMS V1.1.0 RC1 is now available
> Alastair M. Robinson wrote:
>
> > However, when working with inkjets there's an additional gamma
> > adjustment required - outside the regular calibration path. Normally
> > it's buried inside the printer driver, but with enough control over the
> > driver (which we have with Gutenprint) it doesn't have to be.
>
> If it's a usable range adjustment then I don't think this is
> necessary or desirable, since it is a linear scaling, and the
> usable range will generally be set such that 100% out of calibration
> results in approximately equal ink in the screened device channels.
I think with "gamma adjustment" Alastair really means a (non-linear) adjustment
of the mid-tones (and not just a linear scaling in order to stretch a smaller
"usable range" to the full 0..100% range).
Regards,
Gerhard
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