[Sidefx-houdini-list] Animated wires in DOPs question

Selçuk Ergen ergensel at gmail.com
Tue Feb 17 12:35:56 EST 2009


CHOPs driven Lsystem parameters ,like Angles,Gravity and other custom
variables, might also help to get the wind feeling.

cheers,
Selcuk Ergen






On Tue, Feb 17, 2009 at 5:26 PM, David Mellor <dmellor at gmail.com> wrote:

> Those trees weren't dynamic, they just grew. All happening so fast that you
> dont need it. It did have noise running through the normals at the end of
> each branch, which leaves were copied to to give the feeling of wind
> blowing. I can see you problem! I'll have a think!
>
> 2009/2/17 Phil Spicer <PSpicer at bournemouth.ac.uk>
>
> > Hi Dave,
> >
> > The lightening was just for having an animated L-System. The core problem
> > is getting a growing L-System (a tree which needs to blown in the wind as
> it
> > grows) into DOPs as an animated element. This is proving difficult
> because
> > of the constantly changing point numbers. I have been playing
> unsuccessfully
> > with a resample sop however if there are any further suggestions they
> would
> > be very welcome.
> >
> > Did anyone face this in the creation of the Guinness advert (back through
> > time). I seem to remember a Houdini presentation where the tree sprang
> from
> > a sapling...
> >
> > Kind regards,
> >
> > Phil.
> >
> > Philip Spicer
> > Programme Leader - MA Digital Effects
> > National Centre for Computer Animation
> > Bournemouth University - UK
> >
> > http://uk.youtube.com/user/NCCADigitalFX
> >
> >
> >
> > -----Original Message-----
> > From: sidefx-houdini-list-bounces at sidefx.com [mailto:
> > sidefx-houdini-list-bounces at sidefx.com] On Behalf Of David Mellor
> > Sent: 17 February 2009 16:53
> > To: sidefx-houdini-list at sidefx.com
> > Subject: Re: [Sidefx-houdini-list] Animated wires in DOPs question
> >
> > Hey Phil,
> >
> > What kind of lightening are you doing? I have a little non dynamic set up
> I
> > did for a commercial if it would be of any help?
> >
> > Cheers,
> > Davd
> >
> > 2009/2/16 Phil Spicer <PSpicer at bournemouth.ac.uk>
> >
> > >
> > >  Hi,
> > >
> > > Is it possible to pass an animated wire into DOPs?
> > >
> > > I have tried passing a preset 'Lightening' L-System into DOPs as a
> > > Wire Object but it doesn't register the animation even when the  'Use
> > > Deforming Geometry' option is checked. It does read in the animation
> > > if I read the L-System in as a RBD Object though...
> > >
> > > Any thoughts? Is it better to create an animated wire using the SOP
> > Solver?
> > >
> > >
> > > Kind regards,
> > >
> > > Phil.
> > >
> > > Philip Spicer
> > > Programme Leader - MA Digital Effects
> > > National Centre for Computer Animation Bournemouth University - UK
> > >
> > > http://uk.youtube.com/user/NCCADigitalFX
> > >
> > >
> > >
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-- 
Selçuk ERGEN



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