Hi Lutz!
This is surely a less than muddy answer!!!
It might even answer some puzzling things I had with IK and that I could not
figure out. I shall have a try at it again. No further questions for the
moment...
Thanks a lot indeed!!! (also on behalf of all those IK labourers around the
world)

Thomas

"Lutz Kretzschmar" <lut### [at] stmuccom> schreef in bericht
news:4vkk5uc5tvc7sg7q4knu0qsjv0ujl574t2@4ax.com...
> Hi Thomas de Groot, you recently wrote in moray.win:
>
> > Oh, by the way, Lutz,
> > What does the 'dampen' really do? I have never well understood its
> > function....
> IK works in such a fashion that it starts at the selected object and
> looks at the parents until it's at the top. At each parent, it looks
> which axis (rotation or translation) are available and sets the value
> in such a way that the selected object comes as close to where it
> should go as possible. This is repeated all the way to the top and
> then it's repeated until the selected object is within a certain
> distance to the target
> (View|Configuration|Advanced|MaxTargetDeviation) or this has been
> repeated the maximum number of times
> (View|Configuration|Advanced|MaxIterations).
>
> At each step, after Moray has calculated the optimal change in
> rotation or translation, it limits this movement to the value in the
> dampen field. So, take your arm as an example. Say that to get your
> fingertip to a specific point, you could turn your wrist up by 60
> degrees. This would mean that the elbow would harldy move and the
> shoulder not at all. If dampen is set to, say 10 degrees in each
> joint, the wrist will only be rotated 10. Then the elbow will be
> rotated at most 10 and the should also. This is repeated until the
> target point is reached.
>
> The effect a lower dampen value has is to make the movement 'softer',
> i.e. to rather propagate the movement up the IK chain than to make
> extreme movements at the bottom of the chain.
>
> Clear as mud, eh? Questions?
>
> - Lutz
>   email : lut### [at] stmuccom
>   Web   : http://www.stmuc.com/moray

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