[PD] wiimote with ir sensor bar
reduzierer at yahoo.de
Sun Oct 28 20:36:42 CET 2007
On Sun, 2007-10-28 at 01:12 -0700, punchik punchik wrote:
> Hi , is there any way of using the ir sensor bar with
> the wimote in pure data?
yes, that is possible. the sensor bar is nothing else but two groups of
ir-leds, that are used as a reference point in space. you couls also use
a lighter (or up to four) instead. the wiimote just sends you the
coordinates of the reference points' (ir-led, lighter, whatever)
projection on the wiimote's intenal ir-camera.
> Is it posible to track the
> movements of people carrying wimotes in real space
> with puredata?
no, that is not quite possible with the sensors, that wiimote is
equipped with. it has 3 accelerometers (x, y and z), but it is very
difficult (probably impossible) to calculate a position out of this
data. it would be possible to calculate the position with the data from
the ir-camera, but then you would need at least 3 reference points and
they would have to be always visible for the cam. since the angle is
quite narrow, it is probably not too suitable for position tracking.
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