[ODE] saving internal joint state

[Shaul Kedem]

Matthew,
 Yes, there were such reports. Search google for [ODE]
and you'll probably find some, there were couple of
emails explaining how to do that.

 btw, seeing you are from nasa.. you do know ODE is
*not* supposed to go into any "real life" simulation,
right ? (I am just saying this so nobody will get
hurt, u know..)

Best,
Shaul



--- "Matthew D. Hancher" <mdh at email.arc.nasa.gov>
wrote:
> This is related to a question I asked earlier, but
> viewed from a
> different angle.
> 
> Suppose you want to take a snapshot of a running ODE
> simulation, so
> that you can go back and have it replay *exactly*
> from that point.
> This requires saving some internal joint state, but
> there does not
> appear to be any straightforward way to reload that
> state (or even get
> at all of it).  For instance the anchor points of a
> ball joint may be
> slightly separated, but dJointSetBallAnchor() always
> makes the two
> anchor points coincident.
> 
> Am I missing something here?  Comments on the Wiki
> suggest that 
> some people do perfect saves/reloads; how did you
> approach this?
> 
> mdh
> 
> Matt Hancher
> NASA Ames Research Center
> Official: mdh at email.arc.nasa.gov
> Personal: mdh at media.mit.edu
> 
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