Today I have tried three times to calibrate and profile my iMac with DispcalGUI. The result of calibration seems OK, but the generated profile is completely wrong. Below the terminal messages if someone can help me. Thank you Marco "/Applications/Argyll/dispcalGUI.app/Contents/MacOS/dispcalGUI" Last login: Sat Jun 19 18:04:27 on ttys000 iMac-di-Marco-Noldin:~ Marco$ "/Applications/Argyll/dispcalGUI.app/Contents/MacOS/dispcalGUI" dispcalGUI.app 0.3.9.9 2010-05-07T22:53:48.045051Z j Starting up... Enumerating display devices and communication ports... ...ok. Checking video card gamma table access for display 1... ...ok. Initializing GUI... ...ok. Loading calibration curves of current display device profile... /Library/ColorSync/Profiles/Displays/iMac 2009-11-05 max 6500K min native 2.2 HQ MTX.icc ...ok. Ready. Loading calibration curves from file... /Users/Marco/Library/Application Support/dispcalGUI/storage/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.cal ...ok. Loading calibration curves of current display device profile... /Library/ColorSync/Profiles/Displays/iMac 2009-11-05 max 6500K min native 2.2 HQ MTX.icc ...ok. -------------------------------------------------------------------------------- Calibrate & profile Working directory: / var/ folders/ O+/ O+OFeJicFoOwPdBsc+iWlU+++TI/ -Tmp-/ dispcalGUI-qsqhGt/ Command line: dispcal -v -d1 -c1 "-P0.431568431568,0.0592991913747,1.73657289003" -H -qh -m -t6500.0 -g2.2 -f0.0 -k0.0 -A4.0 "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX" Setting up the instrument Instrument Type: Eye-One Pro Serial Number: 120288 Firmware version: 302 CPLD version: 301 Date manufactured: 12-4-2005 U.V. filter ?: No Measure Ambient ?: Yes Tot. Measurement Count: 34605 Remission Spot Count: 7355 Remission Scan Count: 359 Date of last Remission spot cal: Thu Nov 5 06:15:15 2009 Remission Spot Count at last cal: 7339 Total lamp usage: 12067.755859 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 test window. Hit Esc or Q to give up, any other key to continue: Target white = 6500.000000 degrees kelvin Daylight spectrum Target white brightness = native brightness Target black brightness = native brightness Target advertised gamma = 2.200000 Commencing device calibration patch 6 of 6 Black = XYZ 0.17 0.15 0.19 Red = XYZ 53.95 27.31 1.57 Green = XYZ 39.28 78.58 11.38 Blue = XYZ 20.21 11.12 111.59 White = XYZ 113.12 116.73 124.19 patch 80 of 80 Initial native brightness target = 116.733363 cd/m^2 Had to scale brightness from 116.733363 to 113.918831 to fit within gamut, corresponding to RGB 0.941766 0.996417 1.000000 Target white value is XYZ 108.277381 113.918831 123.988327 Adjusted target black XYZ 0.18 0.16 0.20, Lab 1.29 0.88 -0.25 Target black after min adjust: XYZ 0.179 0.162 0.196, Lab 1.286 0.882 -0.246 Gamma curve input offset = 0.067243, output offset = 0.000000, power = 2.427957 Total Iteration 4, Final Samples = 96 Final Repeat threshold = 0.400000 Creating initial calibration curves... Doing iteration 1 with 12 sample points and repeat threshold of 1.131371 DE patch 12 of 12 Brightness error = 0.809808 cd/m^2 (is 114.728638, should be 113.918831) White point error = 0.222282 deltaE Maximum neutral error (@ 0.600780) = 1.018357 deltaE Average neutral error = 0.565647 deltaE Number of measurements taken = 29 Computing update to calibration curves... Doing iteration 2 with 24 sample points and repeat threshold of 0.800000 DE patch 24 of 24 Brightness error = 0.880717 cd/m^2 (is 114.799548, should be 113.918831) White point error = 0.295704 deltaE Maximum neutral error (@ 0.504640) = 0.766133 deltaE Average neutral error = 0.478640 deltaE Number of measurements taken = 37 Computing update to calibration curves... Doing iteration 3 with 48 sample points and repeat threshold of 0.565685 DE patch 48 of 48 Brightness error = 0.819412 cd/m^2 (is 114.738243, should be 113.918831) White point error = 0.434529 deltaE Maximum neutral error (@ 0.215318) = 0.556303 deltaE Average neutral error = 0.341958 deltaE Number of measurements taken = 83 Computing update to calibration curves... Doing iteration 4 with 96 sample points and repeat threshold of 0.400000 DE patch 96 of 96 Brightness error = 0.537065 cd/m^2 (is 114.455896, should be 113.918831) White point error = 0.240811 deltaE Maximum neutral error (@ 0.393082) = 0.863043 deltaE Average neutral error = 0.352302 deltaE Failed to meet target 0.400000 delta E, got worst case 0.649621 Number of measurements taken = 544 The instrument can be removed from the screen. Written calibration file 'iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.cal' Loading calibration curves from file... /Users/Marco/Library/Application Support/dispcalGUI/storage/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.cal ...ok. Working directory: / var/ folders/ O+/ O+OFeJicFoOwPdBsc+iWlU+++TI/ -Tmp-/ dispcalGUI-qsqhGt/ Command line: dispread -v -d1 -c1 "-P0.431568431568,0.0592991913747,1.73657289003" -H -N -k "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.cal" "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX" Number of patches = 64 Setting up the instrument Instrument Type: Eye-One Pro Serial Number: 120288 Firmware version: 302 CPLD version: 301 Date manufactured: 12-4-2005 U.V. filter ?: No Measure Ambient ?: Yes Tot. Measurement Count: 34605 Remission Spot Count: 7355 Remission Scan Count: 359 Date of last Remission spot cal: Thu Nov 5 06:15:15 2009 Remission Spot Count at last cal: 7339 Total lamp usage: 12067.755859 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 test window. Hit Esc or Q to give up, any other key to continue: patch 64 of 64 The instrument can be removed from the screen. Written 'iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.ti3' Create profile from measurement data... Working directory: / var/ folders/ O+/ O+OFeJicFoOwPdBsc+iWlU+++TI/ -Tmp-/ dispcalGUI-qsqhGt/ Command line: colprof -v -qh -as -M iMac -C "(c) 2010 Marco. Created with dispcalGUI 0.3.9.9 and Argyll CMS 1.1.1: dispcal -v -d1 -c1 -P0.431568431568,0.0592991913747,1.73657289003 -H -qh -m -t6500.0 -g2.2 -f0.0 -k0.0 -A4.0 colprof -v -qh -as" -D "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX" "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX" No of test patches = 64 Creating matrix and curves... 100% Find white & black points Initial white point = 0.904832 0.949792 1.024784 Initial black point = 0.000000 0.000000 0.000000 Display Luminance = 84.445289 White point XYZ = 0.952664 1.000000 1.078956 Black point XYZ = 0.000000 0.000000 0.000000 Fixup matrix for white point After white point adjust: Matrix = 0.459811 0.368345 0.136044 0.229251 0.709339 0.061410 0.001538 0.068611 0.754751 Done gamma/shaper and matrix creation Profile done profile check complete, peak err = 20.324255, avg err = 4.897231, RMS = 6.738758 Loading calibration curves from file... /Users/Marco/Library/Application Support/dispcalGUI/storage/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX/iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.icc ...ok. -------------------------------------------------------------------------------- Install profile Working directory: / Users/ Marco/ Library/ Application Support/ dispcalGUI/ storage/ iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX/ Command line: dispwin -v -d1 -c -I "iMac 2010-06-19 max D6500 min native 2.2 HQ 3xCurve+MTX.icc" ...ok. Added 3 white patch(es) -------------------------------------------------------------------------------- Verify profile Working directory: / var/ folders/ O+/ O+OFeJicFoOwPdBsc+iWlU+++TI/ -Tmp-/ dispcalGUI-vZm9Ue/ Command line: dispwin -v -d1 -c verify_2010-06-19_21-21.icc About to open dispwin object on the display About to clear the calibration About to set display to given calibration Calibration set About to destroy dispwin object Working directory: / var/ folders/ O+/ O+OFeJicFoOwPdBsc+iWlU+++TI/ -Tmp-/ dispcalGUI-vZm9Ue/ Command line: dispread -v -d1 -c1 "-P0.431568431568,0.0592991913747,1.73657289003" -H verify_2010-06-19_21-21 Number of patches = 27 Setting up the instrument Instrument Type: Eye-One Pro Serial Number: 120288 Firmware version: 302 CPLD version: 301 Date manufactured: 12-4-2005 U.V. filter ?: No Measure Ambient ?: Yes Tot. Measurement Count: 34605 Remission Spot Count: 7355 Remission Scan Count: 359 Date of last Remission spot cal: Thu Nov 5 06:15:15 2009 Remission Spot Count at last cal: 7339 Total lamp usage: 12067.755859 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 test window. Hit Esc or Q to give up, any other key to continue: patch 27 of 27 The instrument can be removed from the screen. Written 'verify_2010-06-19_21-21.ti3'