[Sidefx-houdini-list] Forward Kinematics in Houdini

Pablo Giménez pablogipi at gmail.com
Thu Jun 3 06:54:46 EDT 2010


That's the thing I don't want to do, all the bulk maths to mimic "Keep
Position When Parent Moving".
Anyway thanks for the info.

2010/6/1 Andrew D Lyons <tstexture at gmail.com>

> You can also access the various obj node transforms and pre-transforms via
> HOM:
>
> Take a look through some of these:
>
> >>> node = hou.node('/obj/geo1')
> >>> node.parent()
> >>> node.worldTransform()
> >>> node.setWorldTransform()
> >>> node.parentAndSubnetTransform()
> >>> node.setPreTransform()
> >>> node.preTransform()
>
> Also, take a look at the  hou.hmath. module. There's some good stuff
> in there for manipulating matrices, transforms etc.
>
> Cheers
>
>
> On 1 June 2010 13:32, Ken Ouellette <ken.ouellette at gmail.com> wrote:
> > I remember this in hscript?
> >
> > / -> help objparent
> > objparent
> >    Controls the "keep position when parenting" option.
> >
> >    USAGES
> >      1.  objparent [on|off|useflag]
> >
> >    With no arguments, prints the current setting.
> >
> >    OPTIONS
> >      on|off|useflag
> >          on
> >              Always maintain world space position.
> >
> >          off
> >              Never change the object's position.
> >
> >          useflag
> >              Positioning depends on the "keeppos" parameter of the
> >              object.
> >
> >
> >
> > On Tue, Jun 1, 2010 at 2:57 PM, Edward Lam <edward at sidefx.com> wrote:
> >
> >> Pablo Giménez wrote:
> >> >> Barring that,
> >> >> you will need to use the "Keep Position When Moving Parent" toggle in
> >> >> Main Preferences > Objects and Geometry.
> >> >>
> >> > Is there any way to enable/disable this option using Python or
> Hscript???
> >> > thanks
> >>
> >> Unfortunately, no. Feel free to log an RFE though.
> >>
> >> Cheers,
> >> -Edward
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> >>
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>
>
>
> --
> =======================================
> Andrew D Lyons | Digital Artist | http://www.tstex.com
> =======================================
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-- 
Un saludo
Best Regards
Pablo Giménez



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