Distance, in mm, that you need to slide your fingers across the screen to change the camera angle by 1 degree. A negative value inverts the direction. A value of 0 is invalid.
Maximum allowed deviation of the finger line from the horizon for a vertical swipe. In degrees.
Maximum allowed angle of deviation of the swipe direction from the vertical line. In degrees
Weighted average point shift threshold, in millimeters, if the shift does not exceed the threshold, then the event is not sent.