[argyllcms] Re: Custom Illuminant

  • From: <robert@xxxxxxxxxxxxxxxxxx>
  • To: <argyllcms@xxxxxxxxxxxxx>
  • Date: Thu, 10 Jul 2014 16:26:16 +0100

Hi Graeme,

I've tried it with tif files and I see the same problem.  All the files are
here: http://www.irelandupclose.com/customer/argyll/mygamtest.zip 

You can view the two spaces with mygam-and-profile.wrl


-----Original Message-----
From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx]
On Behalf Of Graeme Gill
Sent: 10 July 2014 03:07
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] Re: Custom Illuminant

robert@xxxxxxxxxxxxxxxxxx wrote:

> What is also interesting/puzzling is that mygam.gam is made from very
> desaturated images, and yet its gamut is bigger in places than
> HP_Z3100_CANSONPHOTOHIGLOSS_ARGYLL_LG.icc (iccgamut/viewgam). 

Hmm. This seems like it's a bug in tiffgamut, when handling jpg files :-(

With the bug fixed, yes they have a small gamut.

Workaround - convert to .tif and try it again.

Graeme Gill.

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