[Sidefx-houdini-list] Cloth H12 in Production

zhang xiao zhangxiao6776 at gmail.com
Thu Mar 7 12:44:24 EST 2013


one thing i wish to be added to cloth object is collision with wire object,
seems this two are not interacting to each other, maybe i was wrong?


On Thu, Mar 7, 2013 at 9:28 AM, Rafael Santos <rafaels at gmail.com> wrote:

> Hey, Brian
>
> I've used H12 Cloth heavily in one show, simulating sails and ropes for
> boats and it worked quite smoothly for the most part. One time I had a lot
> of problem with one shot but it turned out that my rest mesh and the sim
> mesh didn't match and it took a long time searching every possible solution
> until I figured that out... which was kinda dumb of me though.
> Besides that, my sim times were not long at all. I had my setup divided
> into 4 passes where 3 of them needed to happen in order: Main sail
> deformations (basically wind and boat motion); tassels attached to the
> sail; ropes attached to bottom of sail; and long rops from mast to boat.
> Each one of these steps had it's own DOP network and the sim times varied
> from 15 minutes to a couple of hours per step when all went fine.
>
> Now, even though Cloth is quite fast these days, I'd still prepare a
> low-res version of you cloth objects prior to simulation. You can then use
> the cloth capture/deform workflow in SOPs to transfer the deformation quite
> easily. In order to get nice plastic deformations you'll need balance the
> mesh resolution with the detail you want to get out of it, then jack up the
> material properties knowing that it tends to slow things down. Other than
> that you just have to control your plastic threshold and plastic flow rate.
>
> Lastly, cloth deformations don't preserve volume by default, but depending
> on your needs that might not be a problem.
>
> Cheers
>
>
> > Message: 1
> > Date: Wed, 6 Mar 2013 17:50:06 +1300
> > From: Brian Goodwin <brian.r.goodwin at gmail.com>
> > Subject: [Sidefx-houdini-list] Cloth H12 in Production
> > To: sidefx-houdini-list at sidefx.com
> > Message-ID:
> >         <
> > CAPWfJPaZjUroVF-3ht8kG-U_rMUadmZ_ecw0xw8tdG3JxG29mw at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Hey all
> >
> > I'm trying to achieve very simple deformation where a character needs to
> > deform a digital set, around 10-20k poly mesh and I'd like to be
> > plasticity.
> >
> > All the example files point me in the direction of its usability but I
> was
> > wondering if anyone could provide some insight into where Houdini Cloth
> has
> > been used in production.
> >
> > I haven't used cloth since H10, and I was wondering are people using H12
> > Cloth for this sort of thing ?
> >
> > Perhaps any do's and dont's?
> >
> > Some sim length times etc?
> >
> > Thanks in advance.
> >
> >
> > Brian Goodwin
> >
> > Lead FX TD
> > Weta Digital
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 5 Mar 2013 22:23:28 -0700
> > From: Alvaro Castaneda <varomix at gmail.com>
> > Subject: Re: [Sidefx-houdini-list] Cloth H12 in Production
> > To: "sidefx-houdini-list at sidefx.com" <sidefx-houdini-list at sidefx.com>
> > Message-ID:
> >         <CALMuYUjynSpQ=yAj+-psVDypHG+DrNPACq3=
> > VpZzO_HM8E5s8g at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Hey Brian
> > if you haven't seen this you might want to take a look
> > is recent and has lots of stuff
> >
> > *Masterclass Cloth*
> >
> >
> http://www.sidefx.com/index.php?option=com_content&task=view&id=2406&Itemid=166
> >
> > cheers
> >
> >
> >     .:varomix:.
> > MIX Studio
> > 3D Artist/Generalist TD
> > varomix at varomix.net <varomix at gmail.com>
> > Contact Me [image: Linkedin] <http://mx.linkedin.com/in/varomix>[image:
> > Facebook] <http://www.facebook.com/varomix>[image:
> > Twitter]<http://www.twitter.com/varomix>
> >
> >
> >
> > On Tue, Mar 5, 2013 at 9:50 PM, Brian Goodwin <brian.r.goodwin at gmail.com
> > >wrote:
> >
> > > Hey all
> > >
> > > I'm trying to achieve very simple deformation where a character needs
> to
> > > deform a digital set, around 10-20k poly mesh and I'd like to be
> > > plasticity.
> > >
> > > All the example files point me in the direction of its usability but I
> > was
> > > wondering if anyone could provide some insight into where Houdini Cloth
> > has
> > > been used in production.
> > >
> > > I haven't used cloth since H10, and I was wondering are people using
> H12
> > > Cloth for this sort of thing ?
> > >
> > > Perhaps any do's and dont's?
> > >
> > > Some sim length times etc?
> > >
> > > Thanks in advance.
> > >
> > >
> > > Brian Goodwin
> > >
> > > Lead FX TD
> > > Weta Digital
> >
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