Hi. I try to calibrate a resisitive Touchscreen. The touchscreen is a bit rotatated (3-5 degree), therefore i can not use xinput_calibrator. I try to understand how the the evdev driver works.
Do i need to set "Evdev Axis Calibration" and "Coordinate Transformation Matrix" ? Or is it sufficent to set the CTM alone? How are Touch coordinates calculated? Which transformations are applied to the raw data? Regards, jens
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