Re: preview/photoshop
Re: preview/photoshop
- Subject: Re: preview/photoshop
- From: David Remington <email@hidden>
- Date: Tue, 18 Jan 2005 13:34:53 -0500
Message: 2
Date: Fri, 14 Jan 2005 12:51:18 -0800
From: John Gnaegy <email@hidden>
Subject: Re: Colorsync-users Digest, Vol 2, Issue 17
To: Colorsync list <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Will the Apple apps and system GUI only display correctly on the
"default" display?
Only the profile of the default display is used when matching to the
screen, so to whatever degree the chromaticities of your two displays
vary, they'll be different. The profiles created at boot time are all
1.8 gamma. So technically yes, but in practice since the gammas are
identical any differences especially in the UI aren't noticeable. If
you've created new profiles for each display one with say 1.8 and the
other with 2.2, it'll be more noticeable.
John,
The set-up I am describing is also a powerbook (G4 1.5) hooked, at
times, to an external monitor (Eizo L568). I profiled the Powerbook
screen with Monaco Optix "profile only", the white point and gamma are
as is. Looks like 1.8. I calibrated and profiled the Eizo to 5900k 2.2.
So they are quite different. GUI and Apple apps display dark and also
over saturated on the Eizo.
On Jan 15, 2005, at 3:00 PM, email@hidden
wrote:
In Photoshop if you are leaving the image in it's original space when
opening, then Photoshop should be doing a match from that image's
embedded profile to the profile of the display with the menu bar.
Preview will do a match from the image's embedded profile to the
profile of the default display set in ColorSync Utility.
This is a little awkward. I leave the menus as well as the palates on
the powerbook to maximize screen space. I believe this is probably the
standard practice. Most people refer to a palate monitor and an image
monitor. However, it appears to me that Photoshop uses the profile of
the monitor the image first opens on. Also once you've started opening
images on your, non-menu, image screen that's where they will open so
it works.
Just to be clear, you are saying that the "default screen" and the
"menu screen" can be different, and that different applications use
that information non-uniformly?
Thanks for the clarification.
David
David Remington
Head Photographer for Collections Digitization
D 40 Widener Library
Cambridge, MA 02138
617-496-9346
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