[Sidefx-houdini-list] Deform by null
guillaume.laforge.3d at gmail.com
Thu Mar 13 05:58:10 EDT 2008
On Thu, Mar 13, 2008 at 10:44 AM, Dragos Stefan <ds_list at dsg.ro> wrote:
> Yes, but a handle is not a Null. A null can be part of a hierarchy etc.
> Of course, solutions can be built, but clusters are a fast (workflow
> wise) and elegant solution to some deformations.
>From my young Houdini experience I agree that a cluster like system is
needed. Something fast to setup and fast to animate. Something not using
capture ( too slow ). Just a null driving a group of points.
I' building a setup with several leaves (from one polygon object), using
nulls objects with a capture sop and then deforming each leaves with those
null is really slow (one deform sop by null...). Finally I'm using a delete
sop and a transform sop for each leaves ( using $CE for the pivot) and then
re-merge all the geo at the end of the graph.
It is faster than several deform soft but compared to XSI cluster center it
is really slow. Maybe there is a better way, I will investigate/learn more
after this work.
> Phil Spicer wrote:
> > Hi,
> > The SoftTransform SOP? Port their handles up to a higher level HAD?
> > Kind regards,
> > Phil.
> > -----Original Message-----
> > From: sidefx-houdini-list-bounces at sidefx.com
> > [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of guillaume
> > laforge
> > Sent: 12 March 2008 18:02
> > To: sidefx-houdini-list at sidefx.com
> > Subject: [Sidefx-houdini-list] Deform by null
> > Hi,
> > Is it possible to deform/capture some polygons using nulls instead of
> > bones
> > in Houdini ? I've got a polygon mesh (a plant) with several groups (one
> > by
> > leaves) and I would like to animate each polygons groups using a null
> > object
> > like "cluster center" in XSI.
> > Thanks for any advice.
> > Cheers
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