[argyllcms] Re: The new monitor is not uniform
- From: Sam Berry <samkberry@xxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 27 Dec 2010 22:43:57 +0000
Spotread accepts an argument to save a log file, if it helps. It is rather
sparse though. Or if it's a support ticket, I'd just mock up an image of the
monitor and overlay the results in an easily readable form on the image. The
deltaE to a centre-screen reference seems most appropriate.
Sam
On 27 December 2010 15:59, Marco Noldin <marconoldin@xxxxxxxxx> wrote:
> I have buy a new monitor which appears warmer in the center-right side and
> cooler in the left side. I want open a case support, have you a suggestion
> on how can I translate my visual impressions in data?
>
> For now I have tried in this way but i'm not sure of the results: I set the
> center point as reference and I have measured three point per three rows
> (see below). What do you think about?
>
> Thank you
> Marco
>
>
>
> Last login: Mon Dec 27 16:49:48 on ttys000
> You have new mail.
> Mac-Pro-di-Marco-Noldin:~ Marco$
> /Applications/Argyll/Argyll/Argyll_V1.3.2/bin/spotread -d -yl -x -T -H
>
> Spot read needs a calibration before continuing
> Place cap on the instrument, or place in on a dark surface,
> or place on the white calibration reference,
> and then hit any key to continue,
> or hit Esc or Q to abort:
> Calibration complete
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 56.077370 58.926647 62.464605, Yxy: 58.926647 0.315985
> 0.332040
> CCT = 6310K (Delta E 3.664965)
> Closest Planckian temperature = 6161K (Delta E 3.229154)
> Closest Daylight temperature = 6315K (Delta E 0.098834)
> Color Rendering Index (Ra) = 46.6
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
> r
>
> Reference is now Lab: 81.251259 -1.827085 -14.620194
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 53.478004 56.350679 63.385054, Yxy: 56.350679 0.308740
> 0.325325
> Delta E to reference is -1.438273 -0.351482 -3.370821 (3.681658, CIE94
> 2.382752)
> CCT = 6757K (Delta E 3.854031)
> Closest Planckian temperature = 6568K (Delta E 3.413842)
> Closest Daylight temperature = 6748K (Delta E 0.161643)
> Color Rendering Index (Ra) = 47.5
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 53.908604 56.260120 61.365387, Yxy: 56.260120 0.314273
> 0.327982
> Delta E to reference is -1.489627 0.969521 -1.492679 (2.321002, CIE94
> 1.918792)
> CCT = 6426K (Delta E 2.203926)
> Closest Planckian temperature = 6329K (Delta E 1.941331)
> Closest Daylight temperature = 6498K (Delta E 1.359405)
> Color Rendering Index (Ra) = 45.8
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 57.002770 59.003745 65.627754, Yxy: 59.003745 0.313833
> 0.324849
> Delta E to reference is 0.042395 2.100531 -2.953456 (3.624491, CIE94
> 2.437670)
> CCT = 6473K (Delta E 0.562035)
> Closest Planckian temperature = 6447K (Delta E 0.494351)
> Closest Daylight temperature = 6631K (Delta E 2.790833)
> Color Rendering Index (Ra) = 45.0
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 53.477110 56.656690 63.015728, Yxy: 56.656690 0.308849
> 0.327213
> Delta E to reference is -1.265149 -1.099993 -2.715849 (3.191618, CIE94
> 2.121164)
> CCT = 6733K (Delta E 4.910356)
> Closest Planckian temperature = 6499K (Delta E 4.353854)
> Closest Daylight temperature = 6671K (Delta E 1.093598)
> Color Rendering Index (Ra) = 48.3
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 56.396083 59.064093 62.653802, Yxy: 59.064093 0.316629
> 0.331608
> Delta E to reference is 0.075554 0.463524 -0.053598 (0.472690, CIE94
> 0.394119)
> CCT = 6279K (Delta E 3.035750)
> Closest Planckian temperature = 6156K (Delta E 2.671586)
> Closest Daylight temperature = 6311K (Delta E 0.659375)
> Color Rendering Index (Ra) = 46.0
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 58.390799 60.513226 66.763596, Yxy: 60.513226 0.314491
> 0.325922
> Delta E to reference is 0.865100 1.933238 -2.598030 (3.351950, CIE94
> 2.369647)
> CCT = 6429K (Delta E 0.827182)
> Closest Planckian temperature = 6391K (Delta E 0.727408)
> Closest Daylight temperature = 6570K (Delta E 2.566642)
> Color Rendering Index (Ra) = 45.3
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 50.408460 54.230254 58.533639, Yxy: 54.230254 0.308928
> 0.332350
> Delta E to reference is -2.655456 -3.120269 -0.671224 (4.151875, CIE94
> 3.650672)
> CCT = 6681K (Delta E 7.887343)
> Closest Planckian temperature = 6336K (Delta E 7.013889)
> Closest Daylight temperature = 6489K (Delta E 3.734058)
> Color Rendering Index (Ra) = 50.5
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 52.333930 55.402832 58.647408, Yxy: 55.402832 0.314537
> 0.332981
> Delta E to reference is -1.978521 -0.973492 0.380404 (2.237620, CIE94
> 2.156474)
> CCT = 6379K (Delta E 5.056002)
> Closest Planckian temperature = 6174K (Delta E 4.466259)
> Closest Daylight temperature = 6324K (Delta E 1.145103)
> Color Rendering Index (Ra) = 47.9
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
> Result is XYZ: 55.691599 57.823154 63.162371, Yxy: 57.823154 0.315217
> 0.327281
> Delta E to reference is -0.610890 1.673901 -1.729526 (2.483221, CIE94
> 1.837772)
> CCT = 6380K (Delta E 1.228695)
> Closest Planckian temperature = 6326K (Delta E 1.080368)
> Closest Daylight temperature = 6498K (Delta E 2.224157)
> Color Rendering Index (Ra) = 45.9
>
> Place instrument on spot to be measured,
> and hit [A-Z] to read white and setup FWA compensation (keyed to letter)
> [a-z] to read and make FWA compensated reading from keyed reference
> 'r' to set reference, 's' to save spectrum,
> 'h' to toggle high res., 'k' to do a calibration
> Hit ESC or Q to exit, instrument switch or any other key to take a reading:
>
>
>
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