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+--- Thread: Touchscreen (/showthread.php?tid=2105)
Touchscreen - noitarud - 03-17-2025
Android supplies some useful stats on the touch screen when you enable them on the developer menu.
Can we at least have a log of coordinates? it can track ten fingers (last check). conductive rubber tipped pens (or tape covered foil) can actuate it.
As for ways to interpret (per touch):
- X Y acceleration
- X Y speed
- trajectory speed
- trajectory acceleration
- angular diversion
- the de-rotation stuff in my "map" thread (cumulative angle, unroll, and it describes the same again after X Y speed being applied to result of unroll)
RE: Touchscreen - Jens Noriʇzsɔɥ - 03-17-2025
We put it on “the list”…
It would certainly help if you could describe a concrete use case, so we are able to reasonably allocate resources for this.On smartphones, there is certainly a problem with lack of screen real estate: we would need space for the user interface, data input, and data display. There is currently no reliable general way to split the screen accordingly in phyphox, so even on a tablet some fundamental work would likely be required…
RE: Touchscreen - noitarud - 03-17-2025
The volume key (device or headset) could switch between activity.
The one-input use case is probably better using the accelerometer unless you have to measure an insect.
RE: Touchscreen - Jens Noriʇzsɔɥ - 03-17-2025
Audio feedback might make sense for such experiments, so overloading the volume keys is not optimal.