[argyllcms] Re: ccmxmake: some questions.
- From: Vittorio Villani <vittoriovillani@xxxxxxxxxxx>
- To: ArgyllCMS List <argyllcms@xxxxxxxxxxxxx>
- Date: Wed, 4 May 2011 20:58:59 +0200
Thanks
Iliah.
My problem
was that in my mind -4.6504e-003 was not –0.0046 but -4.6 and so on (I am not
confident with the “e”). Can you please tell me if the XYZ values can also be
negative? For what I understood they should start from 0:
http://en.wikipedia.org/wiki/CIE_1931_color_space.
What am I missing?
Vittorio
From: ib@xxxxxxxxxxx
Subject: [argyllcms] Re: ccmxmake: some questions.
Date: Wed, 4 May 2011 13:50:12 -0400
To: argyllcms@xxxxxxxxxxxxx
Dear Vittorio,
XYZ_X XYZ_Y XYZ_Z
0.98177 -6.8614e-003 0.021942
-4.6504e-003 0.98371 1.4480e-003
-0.014964 0.028424 1.0431
Can I interpret this like “your custom NEC colorimeter is not working good on
your NEC monitor” because of the XYZ values?
Why? Main diagonal is very close to all "1"; off-center coefficients are
extremely small. The NEC instrument shows near perfect match to the monitor,
within i1Pro precision.
--Iliah Borgib@xxxxxxxxxxx
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