[Sidefx-houdini-list] cloth solver

Andrew D Lyons tstexture at gmail.com
Fri Dec 14 15:07:12 EST 2007

Yep - I spent weeks messing with the cloth solver for some saran-wrap
shots on "over the hedge". I eventually got some pretty nice results -
but it always looked like cloth - and we needed taught saran wrap.

Although it took a little time to set up (but still less that the
amount of time I spent waiting for poor simulation outcomes) the
procedural modelling approach gave me the kind of control the director
wanted. With the rig complete I was able to roll it out to multiple
shots and finish those in no time. I could iterate with the animation
in realtime as sups stood over my shoulder. Even if you had a working
cloth simulator I wonder if you could ever get that level of control
at that rate of interactivity. I doubt it, and in the future I would
at least investigate a hybrid system if a fully procedural system was
not possible.


On 14/12/2007, John Coldrick <jc at axyzfx.com> wrote:
> On Friday 14 December 2007 14:41, Jeff Higgins wrote:
> > i love houdini... really i do... but the cloth isn't up to snuff, i'm sure
> > there just hasn't been enough effort put into to making it a solid solver,
> > you might be able to get decent results using maya nCloth, because it has
> > some nice features for tearing.
>         Not sure I agree with your first statement.  I have heard ncloth is very nice
> though - it might well be better than Houdini's overall in terms of getting
> something behaving well very quickly.  I wouldn't completely dismiss
> Houdini's cloth, though.  We've used it here and gotten some very nice
> results with it.
> > if you're still keen on using houdini, you could try out syflex.. its the
> > industry standard for cloth and i think support in houdini is pretty good,
> > although i've never used it.
>         They haven't been keeping it up.  We bought it back before cloth in houdini
> and I never hear from them.  Even if they continue to compile it, I know it's
> the old version.
> > the shot seems like its a one off and while doing it with cloth is a cool
> > approach you may be able to get away with doing it without it, like in
> > chops as andrew suggested.
>         Yeah, I'd agree with you and Andrew on this.  Sims are nice, they can handle
> many things that would take forever to do by hand, but something as specific
> as this you want complete control over.  You'll spend all your time fighting
> a simulator, otherwise.
>         Cheers,
>         J.C.
> --
> John Coldrick                  www.axyzfx.com        Axyz Animation
> 416-504-0425                                         477 Richmond St W
>                                                      Toronto, ON Canada
> jc at axyzfx.com                                        M5V 3E7
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Andrew D Lyons | Digital Artist | http://www.tstex.com

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