[ODE] AMotor questions

[parisy@labri.fr]

Selon Henri Hakl <henri@cs.sun.ac.za>:

> Can't help you on the later two questions... but if you simply don't specify
> any angle velocities, then the amotor joints won't try to achieve them.
> Though a maximum force of 0 should also solve the problem. (Standing under
> correction.)

Oh, perfect. thanks!

Olivier.


> ----- Original Message -----
> From: <parisy@labri.fr>
> To: <ode@q12.org>
> Sent: Saturday, June 21, 2003 5:13 PM
> Subject: [ODE] AMotor questions
> 
> 
> >
> > As suggested by joints documentation, I would like to use an
> > AMotor to constrains a ball&socket joint. Some questions about
> > this :
> >
> > * At first, I would just like to impose stop limits on axes,
> >   but not a desired velocity (I only want the joint to
> >   rotate freely between specified limits in reaction to
> >   collisions). Does specifying a maximum force of 0 do the
> >   trick ? Are AMotor appropriate for this use, basically ?
> >
> > * What convention is used for the Euler angles version ?
> >   If I refer to the wolfram article
> >   (http://mathworld.wolfram.com/EulerAngles.html), is it
> >   the "x-convention" version, or one of its variations ?
> >
> > * When using the arbitrary angles version (a very
> >   interesting tool BTW), in which order are the elementary
> >   rotations around axis (implicitly) computed ?
> >
> > Thanks!
> > Olivier.
> >
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