Re: i1Profiler display measurements
Re: i1Profiler display measurements
- Subject: Re: i1Profiler display measurements
- From: dpascale <email@hidden>
- Date: Wed, 18 Feb 2015 16:22:42 -0500
Ethan,
"Can the Display-Reader module be used to measure the whitepoint for display
measurement data? I'm thinking along the lines of showing a white patch,
measuring it, and using that as the whitepoint value."
Yes. Here is a screenshot of the tool:
http://www.babelcolor.com/main_level/screen_shots/PatchTool_Display-Reader.htm
The export dialog:
http://www.babelcolor.com/main_level/screen_shots/PatchTool_Display-Reader_CGATS.htm
You can contact me offlist if you prefer.
Danny
----- Original Message -----
From: "Ethan Hansen" <email@hidden>
To: "'dpascale'" <email@hidden>; "'Roger Breton'"
<email@hidden>; "''colorsync-users?lists.apple.com' List'"
<email@hidden>
Sent: Wednesday, February 18, 2015 4:15 PM
Subject: RE: i1Profiler display measurements
From:
However, this is non-normalized emission data. In other words, the
WhitePoint is not normalized to Y=100 and the display WhitePoint will
likely not match a standard Illuminant.
When you open the cxf file, PatchTool will ask you to select an
Illuminant, because it expects a reference Illuminant, which is always
required for reflectance measurement. If your display is nearly spot-on a
standard Illuminant (i.e. D50, D65), this selection makes sense. In most
cases it does not.
Danny,
Thank you for helping clear up matters! Can the Display-Reader module be
used to measure the whitepoint for display measurement data? I'm thinking
along the lines of showing a white patch, measuring it, and using that as
the whitepoint value.
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