[argyllcms] Re: Creating process calibration curves Was: Conversion omitting/locking device colorant

  • From: Martin Weberg <martin.weberg@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 27 Jan 2009 10:22:05 +0100

On Tue, Jan 27, 2009 at 09:41, Klaus Karcher wrote:
> Martin Weberg wrote:
>> Device K needed to meet L* of target K (iterative user input):
>> icclu -ff -ia -s100 Device_Profile.icc
>
> you could also use xicclu -fif -kx instead of iteratively searching for the
> appropriate K value:
>
> xicclu -fif -kx -ia -s100 Device_Profile.icc

I'll try that, thank you.

> Furthermore extracting the target Lab values from the Characterization Data
> <http://color.org/fogRA39L.txt> instead of calculating them through ISO
> Coated v2 can slightly improve precision as it avoids the errors introduced
> by the profile.

Yes, you are correct.

Martin Weberg

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