Steve,
Well I tried what we discussed about and finally I was abble to have some
result without error message...but they still had some troubles. I have
partially succeeded in using the software, but a combination of a lack
of documentation and of configuration flexibility has stymied us.
First, it doesn't work in standalone mode at all. When we connected a 2nd Bird
and set up "Flock mode", the demo software worked and our implementation also
was able to get data. We did not intend to use more than one magnetic sensor,
so this is a real problem.
Second, it is unclear about what values are returned in the X,Y,Z,XR,YR,ZR
fields. By inspection, it appears that the position results are normalized to a
cube of +/- 1.0 within the device's 36in active area. It is not clear what the
range or interpretation of the XR,YR,ZR data is - possibly they are in radians.
Third, there is no way, apparently, to reset the Bird to be used again.
Once the test program or our program exits, the Bird control unit must be set to
standby and back to "Fly" in order to be able to use it again!
There is apparently no way to access the current status thru this
BirdAngleDevice or BirdDriver interface.
Finally, we wanted to retrieve the position and matrix rather than the position
and angles. The BirdDriver device apparently has a method to enable that, but
there doesn't seem to be a way to retrieve the information within the interface.
If there were even good examples of using all of the methods, we might be able
to get somewhere. BirdAngleDevice overrides serialEvent but doesn't indicate
what it would be used for since it is a low level indication of serial port
activity.
If the documentation was clearer on the use of the BirdDriver, possibly we could
do some of this setup directly.
Anyway I have finally managed to use Flock of Bird with my Java code using
comm API package.
Regards,
Brice
Steve Pietrowicz wrote:
> Brice,
>
> As we previously discussed in e-mail, this should work fine with one bird.
> All you should have to do is comment out the second bird stuff from the
> WandVision program and set the appropriate info in the properties file,
> examples of which are under the display/properties directory. I suggested
> that you try this, but never got a response about what happened. What
> error were you getting? I'd really like to know, because many other people
> have gotten this to work.
>
> Steve
>
> At 08:15 AM 7/11/2000 -0700, Brice Deregnaucourt wrote:
> >Hi Cedric,
> >I use Flock of Birds with Java3D for a medical application. At the begining,
> >I tried to use PortFolio package. You can find some doc at :
> >http://www.ncsa.uiuc.edu/~srp/Java3D/portfolio/1.3beta3/docs/index.html
> >and look at class "BirdAngleDevice" and "BirdDriver".
> >I use only one Bird and it seems that this package don't work very well with
> >only one Bird....you should have less troubles with three.
> >Finally, I use methodes and class of comm API (anyway you have to install
> >this even if you choose to use PortFolio package)...doc is at :
> >http://www.javasoft.com/products/javacomm/javadocs/Package-javax.comm.html
> >
> >Hope that help, let me know if you need some
> >code example (my mail is [EMAIL PROTECTED]).
> >Regards, Brice
> >
> >
> >
> >Brunner Cedric wrote:
> >
> > > Dear all,
> > >
> > > I'm trying to use Flock of Birds (three) with Java3D. I'm at
> > > the really beginning and don't know how to get through.
> > >
> > > Has someone already do that? If yes, some hints are welcome.
> > > Which classes did you use, how you code it, ...
> > >
> > > Thanks a lot
> > >
> > > Brunner Cédric
> > >
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