Re: Disabling colour management for a display
Re: Disabling colour management for a display
- Subject: Re: Disabling colour management for a display
- From: C D Tobie <email@hidden>
- Date: Fri, 04 Jan 2013 11:48:37 -0500
On Jan 3, 2013, at 11:56 PM, email@hidden wrote:
> So, first question: am I right in assuming that a display profile is
> always applied? OS X seems to assign a generic profile no matter what I
> do, but maybe it simply acts as a passthrough?
Adjustments from the actual ICC profile are applied by applications which choose to do so, but not globally.
> Second question: if I'm right and OS X always assigns a modifying display
> profile to any given display, is there any way of disabling it, even
> temporarily?
I believe you may be confusing Video Look Up Table data flashed to the video card (which can be stored in a special tag in an ICC profile, and can be applied with the profile, as the Mac OS will do, if you choose a profile that has LUT data included) with the profile itself. What you need to do is be sure you are using a display profile with no LUT data, so that the data won't be adjusted at the video card level by the LUTs on its way through. But this only applies to data running through a video card, as it does to a computer display. Selecting a generic profile such as sRGB will assure that there is no LUT data being applied at the video card.
C. David Tobie
Global Product Technology Manager
Datacolor
5 Princess Road
Lawrenceville, NJ 08648, USA
609.924.2189
www.datacolor.com
Phone: 207.685.9248
Mobile: 207.312.0448
Fax: 207.685.4455
Email: email@hidden
Skype: cdtobie
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