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ian moore
Participating Frequently
January 18, 2023
Answered

CHANGING DISPLAY PROFILE - PHOTOSHOP NOT DETECTING CHANGE IN REAL TIME.

  • January 18, 2023
  • 2 replies
  • 526 views

I calibrate my Eizo monitor to several profiles - one for general editing in photoshop, one for matt fineart papers,and one for baryta papers. This helps with a good screen to print match.

I am using Windows 10 on a laptop connected to the monitor.

I can easily swop between the three profiles when editing in photoshop using the mode button at the bottom of the monitor,or using the Colour Profile in the Display Settings on my laptop.

However,I notice that the monitor profile does not change in the colour settings in photoshop when I do this.  I have to actually close photoshop and re-open it. It then detects my change in the monitor profile and shows the correct one.  In other words,it does not change in real time.

 

I am surprised at this. Am I missing something?

 

Thanks for all help.

 

Ian Moore

 

 

This topic has been closed for replies.
Correct answer D Fosse

The application gets the monitor profile from the OS, and loads it at application startup. This profile is used for the duration of the session, until next relaunch.

 

This is the way it works for all color managed applications, not just Photoshop.

 

When you switch to another calibration target in the monitor, the old profile is no longer valid, and you need to switch to the corresponding profile, the one describing the new behavior. Pressing a button on the monitor will not do this - it has to be done in the operating system.

 

If you use ColorNavigator it's much more conveniently done there. It will switch both calibration and profile. But you still have to relaunch Photoshop!

 

I use several calibration targets myself (on a couple of Eizo CGs) for different output. Standard procedure is to switch in ColorNavigator, then close and relaunch Photoshop. As well as any other color managed software I happen to have open. Every time.

 

(EDIT: it's possible the Eizos are smart enough that a button push talks to Colornavigator, so that it also loads the profile at OS level. Don't know, haven't tried it, I always do it directly from Colornavigator. But either which way, Photoshop always needs a relaunch to pick up the new profile).

2 replies

NB, colourmanagement
Community Expert
NB, colourmanagementCommunity Expert
Community Expert
January 19, 2023

@ian moore D. Fosse is right.

"I can easily swop between the three profiles when editing in photoshop using the mode button at the bottom of the monitor,or using the Colour Profile in the Display Settings on my laptop."

With that idea in mind, you need to remember that when you calibrate and profile, 2 things are created.

1: the calibration*

2: the ICC profile that describes the calibrated monitor display screen (only) to applications that call for it.

*each calibration needs its own associated ICC profile because when you change calibration parameters, the calibration LUT changes.

 

The calibration LUT (Look Up Table) on a "hardware calibration" (e.g. Eizo Coloredge) display screen is loaded into a downloadable LUT depository within the display hardware. 

That calibration loading process is controlled by the software that made the calibration, ColorNavigator, or basICColor display perhaps 

The ICC display profile, on the other hand, can be controlled by the operating system and is used by colour management savvy software like Adobe apps.

Switching between ICC profiles in your Win control panel does NOT load the other calibration LUT to the screen hardware. You need to switch calibration AND profile as a pair 

 

I hope this helps
neil barstow, colourmanagement net - adobe forum volunteer - co-author: 'getting colour right'
google me "neil barstow colourmanagement" for lots of free articles on colour management

I
ian mooreAuthor
Participating Frequently
January 20, 2023

Thanks for replies. Very useful.

 

The Eizo does seem to be smart enough insomuch as when I change the calibration on the monitor,the profile is automatically changed in the Windows 10 OS.  

 

It was more a question (a surprise ,really) that Photoshop doesn't pick up the change on its colour settings automatically in real time. As D.Fosse says,you have to shut down and relaunch Photoshop for it to detect the change in profile.

 

This query all came from watching some Youtibe videos on print to monitor matching which illustrated the benefits of adjusting white point/brightness to viewing conditions and paper. None of the videos noted that you do have make sure that the correct monitor profile is recognised by Photoshop. It is not just a matter of switching to a particular monitor calibration on the monitor.

 

Ian.

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
January 20, 2023

I'm with you on the benefits of changing calibration targets for changing output conditions. I do it too, and set up with some care, it gives you that holy grail of "what you see is what you get". You can match both paper color and max ink very precisely.

 

Those people on youtube just haven't understood the distinction between calibration and profile. Lots of people don't.

 

Again, this is nothing special for Photoshop. It just follows standard procedure for color managed software. This is how it works everywhere. They all do it this way, right down to web browsers. They all need to be relaunched.

 

What Photoshop can do, however, and many other applications can't, is switch profiles between monitors. If you drag the image over, it switches on the fly when you drop it over the mid-line. This does happen in real time, and Photoshop can do this because it loads all relevant profiles on startup.

 

But the actual loading of monitor profiles happens at startup. This is probably an OS procedure that the application can't change.

D Fosse
Community Expert
D FosseCommunity ExpertCorrect answer
Community Expert
January 18, 2023

The application gets the monitor profile from the OS, and loads it at application startup. This profile is used for the duration of the session, until next relaunch.

 

This is the way it works for all color managed applications, not just Photoshop.

 

When you switch to another calibration target in the monitor, the old profile is no longer valid, and you need to switch to the corresponding profile, the one describing the new behavior. Pressing a button on the monitor will not do this - it has to be done in the operating system.

 

If you use ColorNavigator it's much more conveniently done there. It will switch both calibration and profile. But you still have to relaunch Photoshop!

 

I use several calibration targets myself (on a couple of Eizo CGs) for different output. Standard procedure is to switch in ColorNavigator, then close and relaunch Photoshop. As well as any other color managed software I happen to have open. Every time.

 

(EDIT: it's possible the Eizos are smart enough that a button push talks to Colornavigator, so that it also loads the profile at OS level. Don't know, haven't tried it, I always do it directly from Colornavigator. But either which way, Photoshop always needs a relaunch to pick up the new profile).

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