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Thread: Monitor Calibration

  1. #1
    Join Date
    Sep 2008
    Location
    Indiana
    Beans
    82
    Distro
    Ubuntu 12.04 Precise Pangolin

    Smile Monitor Calibration

    I am into digital photography. So I needed to calibrate my monitor for when I have things printed or published so the color is what I intended.

    Below is a very well written how to.


    http://www.linux.com/archive/feature/113936


    in short download the gamma charts. from a distance or while burring your vision find the point on the chart where horizontal line blends with the gray background. this is your current Gamma setting. the Ideal Gamma is 2.2. (you might want to do some test prints)

    use
    Code:
    xgamma -gamma x.xx
    to multiply by a correction factor. mess with this until you read 2.2

    to make this happen every time you boot create a file /etc/X11/xorg.conf

    ctrl-alt-F1
    log in
    Code:
    sudo /etc/init.d/gdm stop
    sudo X -configure
    sudo /etc/init.d/gdm start
    exit
    ctrl-alt-F7

    this will make a xorg.conf.new file in your home dir.
    edit and rename that and move it to /etc/X11/xorg.conf
    (mind your permissions)


    in you xorg.conf file edit as below

    Section "Monitor"
    Identifier "Monitor0"
    VendorName "Monitor Vendor"
    ModelName "Monitor Model"
    Gamma 0.83 0.80 0.80
    EndSection

    red = 0.83
    green = 0.80
    blue = 0.80

    restart X (alt-prnt scrn-k)

    to edit each channel individually


    Code:
    xgamma -rgamma 0.83
    xgamma -ggamma 0.80
    xgamma -bgamma 0.80
    Attached Images Attached Images

  2. #2
    Join Date
    Jun 2010
    Beans
    7

    Re: Monitor Calibration

    Thanks, I was looking for something like this. I wish there was a way to upvote helpful posts

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