Re: Color management Macintosh OSX and PC Windows
Re: Color management Macintosh OSX and PC Windows
- Subject: Re: Color management Macintosh OSX and PC Windows
- From: Steve Upton <email@hidden>
- Date: Wed, 18 Jun 2008 07:58:50 -0700
At 1:05 PM +0100 6/18/08, Bob Frost wrote:
>Steve,
>
>>OS X has it's share of color management issues but in Vista color management is basically broken.
>
>I hesitate to question your experience, but I actually use Vista64 daily with LR 1.4 and 2 and CS2 and can't see where color management is "broken"?
well... see below...
>>Vista SP1 has been released and I believe it has addressed some of the problems. I have yet to hear if it has solved all of them. And the behavior where it clobbers calibration tables in video cards means that you cannot rely on your monitor under Vista. As far as I'm concerned, that is a show-stopper.
>
>My Eizo monitors don't use video card luts (to my knowledge) as they use hardware internal calibration, so they work fine. LR and CS2 do their own thing or use ICM3 in Vista64, not WCS, so that seems OK. Where's the problem?
You hit the nail on the head. By using displays with internal LUTs you have bypassed the entire calibration reset problem.
The area that the CS suite of apps still relies on the OS is in display calibration. Vista can break this without warning but you paid the bucks and bypassed it....
> If you do use video card luts and they do get wiped as you say when you get a UAC prompt, then you can just turn off UAC prompts! They give you a bit more security in business situations, but if you are the admin/user they are not really necessary.
True but my understanding is that the UAC prompts are not the only time that the calibration curves get reset. It can't recall at the moment the other events though. The UAC prompts are the primary suspect.
So, for the average user, the problem is significant. If you have an internal LUT display then you get around the main issue... probably. Some internal LUT displays will also adjust graphic card curves and so remain susceptible but to a lesser extent.
For my peace of mind, as a color administrator, I think users should avoid Vista until the problem is reliably stamped out. Color Management is brittle enough without the OS and other culprits working against you (Leopard is a culprit these days as well).
>My only CM-related gripe is that Epson's Colorbase does not work with the R2400 on V64 (only V32) and Epson seem disinclined to update it. So I can't synchronise my two printers to work with Epson's USA profiles. So I have to make my own.
Why did you choose to go with V64 rather than 32? performance? That seems to be a challenging growth path for Windows users. (I understand the motivations either way, I just don't understand why Microsoft chose the route they did in implementing a 64bit OS.
Regards,
Steve
________________________________________________________________________
o Steve Upton CHROMiX www.chromix.com
o (hueman) 866.CHROMiX
o email@hidden 206.985.6837
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