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: "Jörg Schober" <email@hidden>
- Date: Thu, 21 Aug 2008 11:27:54 +0200
Steve,
could it be that this problem is solved by this security update?
http://support.microsoft.com/kb/951537/en-us
I don't have Vista running here so i can't test it.
br,
Jörg
-------- Original-Nachricht --------
> Datum: Wed, 18 Jun 2008 16:58:50 +0200
> Von: "Steve Upton" <email@hidden>
> An: "Bob Frost" <email@hidden>, email@hidden
> Betreff: Re: Color management Macintosh OSX and PC Windows
> 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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