[NC10]Colour calibration

[tocasa]

So I’ve just uploaded a new calibration to my webspace. This was done with the white point target set to NC10’s LCD “native” white point. It’s certainly brighter and less yellow than the 6500K profile I posted yesterday, so I’d recommend people switch over from that. It’s also a little brighter than the profile from the other thread, although the colours are a little different still.

If I’m correct in my thinking calibrating to the native white point will give the same white as running no colour calibration, maximising brightness (and thus precious battery life). But you (hopefully) benefit over running no colour calibration for the other colours, as they will be more accurate.

We’re getting there, I think.

[MarkR]

Thanks. I tried this latest setting and my display certainly appears brighter – haven’t really looked at any particularly colourful displays to tell the overall difference though.

[sibere]

Tocasa… I like your new ICC profile! Brighter than the one I have and still less blue than the default NC10 screen.

Many tanks for the upload!

[sibere]

Ho by the way. When I turn my sammy to standby or hibernate, it’s loosing the settings of the selected ICC profile. Is there a solution to that issue?

[tocasa]

[quote1233175261=sibere]
Ho by the way. When I turn my sammy to standby or hibernate, it’s loosing the settings of the selected ICC profile. Is there a solution to that issue?
[/quote1233175261]

Glad you like the profile sibere – and well spotted for the standby bug. From a quick look at some other forums, it doesn’t look like there’s a good solution to this 🙁

The best workaround I’ve come up with so far is to use a freeware program called display profile, which allows you to easily change the profile without rebooting. So you can run that after turning on after suspend. (That link also shows the problem not fixed in vista, and may even be worse.)

Anybody got a better solution?

[sibere]

For the time, i’m using microsoft “wincolor” software witch is doing the same stuff: let you choose and apply an ICC profile. I just leave a shortcut icon on my desktop and reset my ICC profile everytime i’m using my sammy for more than a few minutes 😉

[Alfihar]

Thanks for the ICC profile, it’s working fine on Fedora 10 Linux.
I’m going to stick with your latest one for the time being, even though I’m not doing any colour sensitive work the screen looks really blue now without it.

[Rsaeire]

I didn’t notice any difference on my NC10 when applying the colour profile provided in the previous page. I dare say I may need to do a bit of testing to ensure I applied it correctly.

[tocasa]

[quote1233331393=Alfihar]
Thanks for the ICC profile, it’s working fine on Fedora 10 Linux.
I’m going to stick with your latest one for the time being, even though I’m not doing any colour sensitive work the screen looks really blue now without it.
[/quote1233331393]

Glad you like it – how easy is it to get icc profiles working on Linux? I’m had a quick look on my ubuntu box and couldn’t see anything obvious. At the moment I’m running XP on my NC10 but fancy dual booting into linux at some point.

[quote1233331394=Rsaeire]
I didn’t notice any difference on my NC10 when applying the colour profile provided in the previous page. I dare say I may need to do a bit of testing to ensure I applied it correctly.
[/quote1233331394]

Have you restarted Windows? It doesn’t seem to work when you press apply, only when you reboot. Or you could use the display profile program I mentioned a few posts up to force the icc profile to apply right then.

[Rsaeire]

[quote1233332785=tocasa]
Have you restarted Windows? It doesn’t seem to work when you press apply, only when you reboot. Or you could use the display profile program I mentioned a few posts up to force the icc profile to apply right then.

[/quote1233332785]
Thanks for the reply

I thought it might require a restart, so I’ll check this later on when I’m home and post back my findings.

[Alfihar]

[quote1233334702=tocasa]Glad you like it – how easy is it to get icc profiles working on Linux? I’m had a quick look on my ubuntu box and couldn’t see anything obvious. At the moment I’m running XP on my NC10 but fancy dual booting into linux at some point.[/quote1233334702]
It’s pretty easy to use the ICC profile in Linux. These instructions are for the interface, for applications like GIMP you would need to set them up via it’s preferences.

Step 1
First you need to install xcalib. So for Ubuntu to instal it from the terminal using the following command:-

Code:

sudo apt-get install xcalib

Step 2
Then to apply the profile you can use the command (where the path and file name are correct for your system):-

Code:

xcalib /home/username/colourprofile.icc

Additionally to stop using the colour profile you can use the following command (you don’t need to do this to switch between profiles, you can issue the previous command with a different icc profile file):-

Code:

xcalib -c

Step 3
Now this applies it once and it will not remember after a reboot so you need to create a little script to run at login, so you need to open up a text editor and enter the following (with the right path and filename):-

#!/bin/bash
killall gnome-screensaver
xcalib /home/username/colourprofile.icc
gnome-screensaver

There used to be an issue with the screensaver causing the colour profile to be ignored if the profile was applied after gnome-screensaver was started, not sure if it’s still a problem but I kill and restart it anyway to be sure.

Now save the file as colourcalibration.sh (or whatever you want).

Step 4
Next find the file, right click > properties > permissions, tick the box labelled “Execute” .

Step 5
To run the script you just created at login, go to Sessions (may be in a different menu for you).
System > Preferences > Personal > Sessions

Click the “Add” button

Choose a name (doesn’t matter what it is).
Then click browse to find the script you created just now.
Then finally click the “Add” button.

[tocasa]

[quote1233398959=Alfihar]
It’s pretty easy to use the ICC profile in Linux. These instructions are for the interface, for applications like GIMP you would need to set them up via it’s preferences.
[/quote1233398959]

Thanks for the guide – it be useful when I install Linux on my NC10…

[jay_2k]

this sounds like a good change to make!

This is a little over my head…

If I decide to change the colour can it be changed back if I don’t like the changes???

[Alfihar]

[quote1233532672=jay_2k]If I decide to change the colour can it be changed back if I don’t like the changes???[/quote1233532672]
It should be easy enough to change it back.

The instructions to apply the profile are on tocasa’s site which is linked to on the first post in this thread.

However I’ll go through it quickly anyway, along with how to remove the profile.

To use the colour profile
1 ) Download the .icc colour profile file.
2 ) Right click on the desktop and click on “Properties”.
3 ) Click on the “Settings” tab.
4 ) Click on the “Advanced” button.
5 ) Click on the “Color Management” tab.
6 ) Click on the “Add” button.
7 ) Navigate to where you saved the .icc file, select it and click the “Add” button.
8 ) Click the “Set As Default” button.
9 ) Click the “OK” button.
10 ) Restart Computer.

To remove the colour profile
1 ) Right click on the desktop and click on “Properties”.
2 ) Click on the “Settings” tab.
3 ) Click on the “Advanced” button.
4 ) Click on the “Color Management” tab.
5 ) Click on the colour profile, there should only be one and if you used tocasa’s one it will be called “NC10 3 bar native wp 2.2 gamma 27-01-2009”.
6 ) Click the “Remove” button.
7 ) Confirm the warning dialogue by clicking the “Yes” button.
8 ) Click the “OK” button.
9 ) Restart Computer

[seventeener]

Alfihar, thank you for a great howto on xcalib and linux!
Quite often I plug an external monitor and work on two displays simultaneously. When I follow your howto, the icc profile is applied to both two monitors, and the external one gets yellowish. Any ideas on how to apply icc profile only to the internal sammy monitor?
BTW, I run Ubuntu Interpid and switch between dual and single displays using

Code:

xrandr –output VGA –auto –pos 0x0 –output LVDS –auto –below VGA

Code:

xrandr –output VGA –off –output LVDS –auto

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