touchscreen yaxis direction swapped

may be a silly question but I´m Linux noob.
i use a ELO 15" vga touch display (one of these you´ll find in some supermarkets) and y-axis of touchscreen is swapped.
in raspbian i can use xinput_calibrator to swap the axis, also managed to download on the repetier image.
but how can i get to start the calibrator?
Or any other possibility?

(the only one i can imagine is to use the display on raspian , note the settings and transfer manually to the repetier image)

any help is welcome


  • Login using ssh
    export DISPLAY=:0

    display could also be :1 in some cases. Once you have set the display you can run any command using display from commandline and it will show on the display you have set.
  • Ok,thanks, that moves me one step forward
  • found some time to read and try a couple of things and ended up here:

    but  how can i make that  permanent respectively automatic executed?
    sorry for noob question, I´m still beginner on Linux

  • edited November 2018
    Ok, solved

    for my case (display rotated 270° ) it was just to add

    Option "TransformationMatrix" "1 0 0 0 -1 1 0 0 1"

    in file /usr/share/X11/xorg.conf.d/99-calib.conf

    seems to be different since Server change from debian jessie to stretch

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