Would it be possible to simply tell your system that the correct monitor profile is the one used by your secondary monitor. This would of course give you an incorrect colour on your laptop but should provide a correct colour on your large display.
Possibly also to use a small script to make those changes automatically.

David

On 13-11-21 11:01 PM, Marie-Noëlle Augendre wrote:
Any answer about this?
I'm completely stuck at the moment: I'd realized for some time that my pictures look quite different outside dt, but now I know where the problem is and don't want to go on producing 'wrong' pictures.

Thanks for helping.
Marie-Noëlle


2013/11/21 Marie-Noëlle Augendre <[email protected] <mailto:[email protected]>>

    Thanks for your answer.
    Here are the results of the ls -l command for both profiles:
     - for the 23" screen:
    -rw-rw-r--. 1 marie-noelle marie-noelle 21880 19 août  18:31
    /home/marie-noelle/.local/share/icc/W2361 2013-08-19 2.2 MQ-HQ
    3xCurve+MTX.icc

     - and for the laptop screen:
    -rw-rw-r--. 1 marie-noelle marie-noelle 21560 19 août  19:09
    /home/marie-noelle/.local/share/icc/133AT17-T06 2013-08-19 2.2
    MQ-HQ 3xCurve+MTX.icc

    So based on their respective sizes, my guess is darktable uses the
    laptop and that is the wrong one.
    How can I change it to the other one?

    Marie-Noëlle


    2013/11/21 Tobias Ellinghaus <[email protected] <mailto:[email protected]>>


        In case of colord the control message will tell you the
        filename it loaded,
        however the xatom only has the binary data so all we can tell
        about it is its
        size in bytes. What you could do is check (with ls -l) if the
        profile you have
        set in your system is 21560 bytes big. If that is not the case
        then some other
        profile was used. If it is the case however then either you
        are not using the
        system default profile in the output color module, or you have
        some modules
        activated that alter the image. Of course there is also the
        slight chance that
        you have stumbled over a bug, but that's least likely.

        > I'm running 1.2.3 version on a Fedora 19 distro with a
        Cinnamon desktop,
        > and from what I see in the system preferences, the ICC
        profiles of both
        > screens (laptop + 23") are correctly assigned.

        Having two screens it could also be that the system assigned
        the wrong profile
        to the according xatom. But all of this is just speculation.
        Please compare
        the file size of the display profile with the size reported by
        darktable and
        report back.

-- <http://marie-noelle-augendre.com/photos/>
    Retrouvez mon portfolio et mes activités dans ma galerie
    personnelle <http://marie-noelle-augendre.com/photos/>, mes
    reportages sur Jingoo <http://www.jingoo.com/mnaugendre/>
    Et bien sûr la page Photographe en Cévennes
    <http://www.facebook.com/PhotographeEnCevennes> sur FB, et mon
    compte Twitter <http://twitter.com/MNAugendre>.




--
<http://marie-noelle-augendre.com/photos/>
Retrouvez mon portfolio et mes activités dans ma galerie personnelle <http://marie-noelle-augendre.com/photos/>, mes reportages sur Jingoo <http://www.jingoo.com/mnaugendre/> Et bien sûr la page Photographe en Cévennes <http://www.facebook.com/PhotographeEnCevennes> sur FB, et mon compte Twitter <http://twitter.com/MNAugendre>.


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