[argyllcms] Colprof

  • From: <robert@xxxxxxxxxxxxxxxxxx>
  • To: <argyllcms@xxxxxxxxxxxxx>
  • Date: Mon, 2 Jun 2014 18:00:20 +0100

I used colprof to create the illuminant.sp spectrum file. I then created two

- the first with -i illuminant.sp

- the second with both -i illuminant.sp and -f illuminant.sp


I then compared an image soft-proofed with the two profiles (paper white
set) and could see no difference.


I then converted copies of the image to each profile in Photoshop and
checked to see if there was a difference between the images and found none.


I then assigned the two profiles to each copy of the image in Photoshop and
again found no difference between the images.


I've checked this with illuminant.sp for two papers, one with no FWA and the
other with quite a lot.  SoLux 4700K illuminant.


I would expect the image soft-proofed with both -i and -f to show the
additional effect of the FWA compensation, in other words to be warmer (??)
than the one with only -i.


Am I doing something wrong?



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