> For better understanding the value given by the touchscreen. I have got the
> raw values when the pen follows the borders of the screen.
> It gives this :
> http://alain2210.free.fr/geombrut.pdf
> I show that there is no problems with the x values but it's more harder with the
> y ones.
> A linear or projective transform is not sufficent.
Some kind op PID-controller would be best, with the right software
(20sim (www.20sim.com), matlab) one can easy design one. I will dig up
my 20sim license and try to create a model. The nicest feature of 20sim
is, that you can get a linearization with a few mouseclicks.
regards,
Koen
Received on Fri Apr 16 15:00:00 2004
This archive was generated by hypermail 2.1.8 : Tue May 04 2004 - 09:41:50 EDT