[argyllcms] Re: FWA Compensation

  • From: Vladimir Gajic <vgajic67@xxxxxxxxxxxxxx>
  • To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
  • Date: Wed, 15 Feb 2012 18:43:41 +0100

Hello Graeme,

during my today's illumread-session I encuntered a problem with the calibration 
of my i1 Pro. It' s an old error  I had in the past: dark calibration read 
failed. I could solve the problem by re-installing the usblib-driver on win xp. 
I rember that the calibration-history had to be deleted on mac, but on XP i 
have a problem with that. Or did I missed something?

I did further measurments today, including my proofing substrate, and some more 
papers containing FWA. Tomorrow I'll calculate a few profiles and run some 
prints. Can't await to see the results. 

Keep you informed.



Am 15.02.2012 um 13:02 schrieb Graeme Gill <graeme@xxxxxxxxxxxxx>:

> Vladimir Gajic wrote:
>> well, in that case I'm also tempted to try both ways and to compare the 
>> results. This will
>> probably be the best thing to do. If I'm right, there are 3 possible 
>> combinations:
>> 1. Calculate a default output printer profile using ICC-specified conditions 
>> as D50, 2 deg.
>> observer
>> 2. Calcilate a output printer profile using my new Heaven 42 based 
>> illuminant and FWA
>> compensation
>> 3. Calculating a new, proofing paper based illuminant and applying it along 
>> with FWA
>> compensation to a new output profile.
> Hi,
>    I wouldn't bother with 1. If matching is critical, then using the measured
> illuminant rather than D50 is a minimum requirement.
> Graeme Gill.

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