Colour management warning for dual display users

For those of you who require a colour managed workflow and have more than one display, be very careful in Mountain Lion. It appears to have a bizarre bug where images loaded and shown on the primary display (e.g. in Preview) are initially rendered with the colour profile from the secondary display, or something along those lines. Dragging the display window to the secondary display and back again sorts things out. I've filed a bug report.
If your two (or more) monitors have the same colour profile, you won't have a problem. The only workaround I can see is to set your least important display(s) to all have the same profile as your (probably calibrated, if these things matter to you) primary display, at least until (if?) the bug gets fixed.
If you want to see it for yourself, set your two displays to differing profiles - e.g. NTSC (1953) on the primary and Wide Gamut RGB on the secondary. Then load an image into Preview - something with lots of shades of red "works" well for the colour profiles mentioned. Take a screenshot of the Preview window as a reference. Move the window to the secondary display; note the colour shift as it gets re-rendered. Now drag it back to the primary display. It'll look quite different compared to the screenshot you took earlier, despite the fact it's the same image being shown by the same application on the same display in the same window... All you did was drag the window between two monitors and back again.
It doesn't seem to matter if the image in question has a colour profile embedded in it or not. When comparing with your screenshot, feel free to drag the screenshot between the monitors too - after all, it'll be suffering the same rendering bug! You'll still see a different result; in fact it may even be magnified by the accumulated rendering errors.
Preview isn't the only application affected; I've seen identical issues under harder to replicate circumstances in Safari, for example.
Given this fault and others I've seen with colour rendering in Lion, plus several new bugs found in Mountain Lion, I'm afraid that if a colour managed workflow is important to you - well - Snow Leopard or Windows...?! Ugh, what a mess

I've encountered many of the same woes with color management being a graphic designer, but here's my issue:
Have a 15" (Early 2011) Macbook Pro. It is turned on with me hooked up to my Dell U2410 and display open for a dual display configuration. The Dell is my primary monitor.
I then unplug my MBP to use it around the house. I go to plug it back into the Dell for my dual monitor. I notice that the color on the Dell looks good, but now the MBP has a very blue color temperature. Like moving from the preconfigured 'Color LCD' profile to 'sRGB' which definitely shifts to a blue color on the MBP.
I check the color profiles in System Settings and the Color profiles are correct. 'Dell U2410' for my Dell and 'Color LCD' for my MBP. But as I said, it's much bluer than standard. I try to change the color profiles around on the MBP and no matter which I select it's always the same color with no shifts I would expect to see.
Only solution I have found is to restart my computer. Upon restarting all is well again in the world.
It's pretty annoying having to restart my computer everytime I plug it back into my workstation with Dell and keyboard.
Related note: USB does not work when I plug things back and again have to restart to fix this.

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"Design" view as a separate panel for dual-display

I just started using CS6 and was really hoping to see a new workflow enhancement for dual-display production with the "Design" view. I code all of my markup by hand in the code view. I would love to see the "Design" view in a separate panel that I could drag over to my second display by itself. Sort of like designers using "Code Inspector" as a panel on their second display. But for me, to maximize efficiency, I need the code to be closest to all of the menu bars and panels. I just want to make a code edit, click the DW "refresh" button, and glance at the layout in a "Design" without having to do additional clicking or moving pointer from display to display, ya know? Using browsers I have to save the file(s), upload the file(s), wait for the transfer to complete, move my pointer to the second display, click the refresh button, THEN look at the layout. Ugh. Been doing this for years, and really am tired of it. I have looked through the commands and online material hoping to find an update. Is this still a pipe dream?
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Apart from using the Code Inspector, I don't believe this is possible. It sounds like a sensible suggestion, though. You can file a feature request through the form at http://adobe.ly/DWBug.

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Screen Shots:
http://www.locationstudio.net/Left.jpg
http://www.locationstudio.net/Right.jpg
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I am reasonably familiar with the basics of colour management. My monitor is calibrated, I use Epson's standard colour profiles for my Epson 3800 inkjet printer and what I see on the screen is more or less what I get out of this printer. However, I am having less success in controlling the printing on my HP LaserJet 2200 of monochrome images contained within an InDesign CS4 document.
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When you save a grayscale (if you save in grayscale mode and aren't just saving a completely desaturated or otherwise made to look like grayscale RGB or CMYK mode image) in Photoshop you should be saving with a grayscale profile like Dot Gain 30% of Gamma 2.2 or something else from the list. These profiles are designed to match printing conditions of various types or different types of monitors (and I'm not going to go into a lot of detail here).
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Laser printers don't use liquid ink, but they do have gain. The toner is melted and gets absorbed into the surface of the paper as it goes through the fuser which is what keeps it from falling off as a pile of dust.
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Colour Management in Flash (& secondary Display)

Hi All
when colour management has been enabled ("stage.colorCorrection = ColorCorrection.ON;"), Is the flash player capable of recognising and using the display profile from a secondary display when converting web content from the embedded profile or sRGB?
If so, what version was this implimented in (10?)
Thanks!

Apparently not...
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http://www.adobe.com/devnet/flash/quickstart/color_correction_as3.html

Use laptop display for dual display

I'm working on a G5 w/ artisan monitor and want some extra screen real estate. I have a G4 power book and wondered if I can somehow use the screen on the laptop as a dual display for the G5? Both run OSX tiger.

Hi Virginia,
Welcome to the discussions.
As far as I am aware, the graphics cards on the powerbooks enable you to run a second display from the laptop, but only as a "mirrored" (i.e. identical picture) of the main display on the laptop. For extra screen real estate, you need fully independant operation, and that can't happen.
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Whether this feeds through the MyCalendar or stays where it is, you can use the [Me] parameter within the filter on a new view. This will then return the assigned holiday filtering against the account that is logged in.
Steven Andrews
SharePoint Business Analyst: LiveNation Entertainment
Blog: baron72.wordpress.com
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My Wiki Articles:
CodePlex Corner Series
Please remember to mark your question as "answered" if this solves (or helps) your problem.

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Colour management warning for dual display users

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