Monocle touch calibration
lars.lindholm at vtab.se
Tue Sep 15 09:59:29 UTC 2015
I'm trying to do a touch screen calibration procedure where the user
clicks on 4 points and I calculate the edge values for the touchscreen.
To set the touchscreen edge values I use:
As described here:
That seems to work and monocle seems to use my new values.
The problem is that when monocle is started it get's some default values
for screen edge. The result is that the coordinates I use to calculate
the calibration is already scaled with a unknown scale.
So my calculated values are wrong and when I use them I only
get touch events for part of the screen. Most likely due to the
other part being out of range.
To solve this is it either possible to get the raw unscaled touch points
or to get the currently used edge values?
system properties are not set to the default values being used.
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