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"text news" wrote:
Photoshop is using the monitor profile all the time when it shows the images, it converts the image data that is sent to the monitor path on-the-fly from the active (RGB or CMYK or Gray) working-space to the monitor profile. The image data that is in the memory and in the file is not affected, just the path on-the-fly to the monitor is affected so that the image data appears correctly on the monitor.
Monitor calibration utilities such as the EyeOne and AdobeGamma also have calibration functionality in addition that they create the monitor ICC profile. This monitor profile describes the colorimetry of the monitor (path) after the calibration has been activated. The loader is needed for activation of the calibration (the calibration is the same as the CLUTs, per channel look up curves that are written to the display driver card). So also AdobeGamma is using the loader, called AdobeGammaLoader.exe.
Hmmm, why. With SW a lot is possible but this is something that you’d not want to have.
When using well written utilities, no. The calibration/profiling utility first resets the CLUTs then asks the user to calibrate then writes the profile.
Timo Autiokari http://www.aim-dtp.net
At what point does Photoshop apply the monitor profile?
Photoshop is using the monitor profile all the time when it shows the images, it converts the image data that is sent to the monitor path on-the-fly from the active (RGB or CMYK or Gray) working-space to the monitor profile. The image data that is in the memory and in the file is not affected, just the path on-the-fly to the monitor is affected so that the image data appears correctly on the monitor.
I use Eye One and it loads a small file at startup which activates the profile so it is applied all the time for all programs. Can Photoshop use a monitor profile without having to have a "loader" program run in startup?
Monitor calibration utilities such as the EyeOne and AdobeGamma also have calibration functionality in addition that they create the monitor ICC profile. This monitor profile describes the colorimetry of the monitor (path) after the calibration has been activated. The loader is needed for activation of the calibration (the calibration is the same as the CLUTs, per channel look up curves that are written to the display driver card). So also AdobeGamma is using the loader, called AdobeGammaLoader.exe.
Is it possible to have Photoshop use a different
profile when the program is started?
Hmmm, why. With SW a lot is possible but this is something that you’d not want to have.
Is there any possibility of "double profiling" with monitor profiles?
When using well written utilities, no. The calibration/profiling utility first resets the CLUTs then asks the user to calibrate then writes the profile.
Timo Autiokari http://www.aim-dtp.net
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