ubuntu-x-swat team mailing list archive

[Jon Szymaniak <774938@xxxxxxxxxxxxxxxxxx>]

Quick Update:

I think I'm a bit confused about this -- from what I understand, the
evdev SwapAxes option has been deprecated in favor of the coordinate
transform matrix.  I was interpreting to mean that in my xorg.conf.d
script, I could still set the "SwapAxes" in my xorg.conf.d script, and
the coordinate transformation matrix would be now be used under the
hood.  Below is what I was using:

/usr/share/X11/xorg.conf.d/99-calibration.conf:
Section "InputClass"
  Identifier "calibration"
  MatchProduct "eGalax"
  Option "Calibration" "76 1895 129 1852"
  Option "SwapAxes" "1"
EndSection

The above configuration is what still causes the erratic movement.
However, I found that to setting "SwapAxes" to "0" and using xinput to
set the devices coordinate transform matrix to [ 0 1 0; 1 0 0; 0 0 1]
swapped the axes without the erratic movement, but definitely requires
further calibration.

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https://bugs.launchpad.net/bugs/774938

Title:
  Erratic cursor movement when using "Coordinate Transformation Matrix"

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