Because the rotation of the parent is driven by the child, but the rotation
of the parent affects the position of the child, which then affects the
direction of the parent, which affects the rotation of the child .....
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM
> [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Andre DeAngelis
> Sent: 28-February-2006 19:04
> To: XSI(at)Softimage.COM
> Subject: RE: rigging dilemma: driving a parent with
> attributes of the child
>
> There is only one parameter dependency here.
>
> If you parent one null to another and then apply a direction
> constraint to the parent (to point to the child) it workd just dandy.
>
> In fact, you can continur to rotate the parent in branch
> mode, to offset the whole set-up.
>
> Am I missing something here?
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM
> [mailto:owner-xsi(at)Softimage.COM] On Behalf Of kim aldis
> Sent: Tuesday, February 28, 2006 1:48 PM
> To: XSI(at)Softimage.COM
> Subject: RE: rigging dilemma: driving a parent with
> attributes of the child
>
> I'd be intrigued to see how, as rob says, the child is
> dependant upon the parent which is dependant upon the child,
> which is dependant upon the parent which is dependant upon
> the child which ...... And the whole thing rapidly crawls up
> it's own arse. Whichever software you use.
> Would have been the same in SI3D too.
>
> > -----Original Message-----
> > From: owner-xsi(at)Softimage.COM
> > [mailto:owner-xsi(at)Softimage.COM] On Behalf Of David Gallagher
> > Sent: 28-February-2006 18:39
> > To: XSI(at)Softimage.COM
> > Subject: Re: rigging dilemma: driving a parent with
> attributes of the
> > child
> >
> >
> > Maya has its benefits. It handles this situation better
> unfortunately.
> >
> > > I don't see how you can avoid a cycle.
> > >
> > > As soon as you tranlsate the child in negative Y the
> parent rotates
> > > causing the child to move causing the parent to rotate
> causing the
> > > child to move...
> > >
> > > _rob
> >
> >
> >
> > --
> > David Gallagher
> > Animator, Blue Sky Studios
> >
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