[Sidefx-houdini-list] sdf for animated turbine

Alvin Yap alvinyapvfx at gmail.com
Wed Sep 7 11:34:39 EDT 2011


Yay! Glad it worked :)

Alvin

On Wed, Sep 7, 2011 at 4:01 PM, zoran arizanovic <zoran.arizanovic at gmail.com
> wrote:

> working like a charm :)
> thanks Alvin
>
> On Wed, Sep 7, 2011 at 4:17 PM, zoran arizanovic <
> zoran.arizanovic at gmail.com
> > wrote:
>
> > great Alvin
> > thanks I will try that approach
> >
> >
> >
> > On Wed, Sep 7, 2011 at 4:14 PM, Alvin Yap <alvinyapvfx at gmail.com> wrote:
> >
> >> Hi Zoran,
> >> For rotating objects, my experience is to have the static geometry
> inside
> >> a
> >> Geo Object, with the animation on the geo object.
> >>
> >> Bringing it into dops with say, the static object dop, (making sure
> >> deforming object is off), you should be able to get an animated
> collision
> >> rbd, but with the sdf constant yet rotating as it's acquiring the
> >> transforms
> >> from the object level, and not re-creating the sdf per frame.
> >>
> >> hth!
> >>
> >> Alvin
> >>
> >> On Wed, Sep 7, 2011 at 2:54 PM, zoran arizanovic <
> >> zoran.arizanovic at gmail.com
> >> > wrote:
> >>
> >> > of course
> >> > but the methods are what confuses me as the blade rotates the
> divisions
> >> > adapt from volume box and detail is inconsistent?
> >> > so what to use by size, not square or what
> >> > thanks
> >> >
> >> > On Wed, Sep 7, 2011 at 3:51 PM, Nick Zutphen <nvanzutphen at live.com>
> >> wrote:
> >> >
> >> > > Hi Zoran,
> >> > >
> >> > > Have you considered to build the collision SDF in SOP's before the
> >> > > animation occurs and then writing it out to disk and using this in
> >> DOP's?
> >> > >
> >> > > Cheers!
> >> > > Nick van Zutphen
> >> > > ----
> >> > > http://www.nickvanzutphen.com
> >> > >
> >> > > On Sep 7, 2011, at 3:44 PM, zoran arizanovic wrote:
> >> > >
> >> > > > Hi
> >> > > > i thought its going well but now I need some help:)
> >> > > > I want to do fluid-sph sim of turbine rotating at about 70rpm
> >> > > > I wrote all the sdf out but when the blades rotate resolution and
> >> > > accuracy
> >> > > > of sdf changes drasticaly on some rotation angles even almost
> >> > dissapears?
> >> > > > What would be the best way to tackle this
> >> > > > or complicated shapes like this
> >> > > >
> >> > >
> >> >
> >>
> http://www.technologie-entwicklung.de/Gasturbines/Monocopter/Turbine_Details/turbine_details.html
> >> > > > cheers
> >> > > >
> >> > > > --
> >> > > > Zoran Arizanovic
> >> > > > vfx reel : http://vimeo.com/28605448
> >> > > > http://www.imdb.com/name/nm2902303/
> >> > > > _______________________________________________
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> >> > > > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >> > > >
> >> > >
> >> > > _______________________________________________
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> >> > >
> >> >
> >> >
> >> >
> >> > --
> >> > Zoran Arizanovic
> >> > vfx reel : http://vimeo.com/28605448
> >> > http://www.imdb.com/name/nm2902303/
> >> > _______________________________________________
> >> > Sidefx-houdini-list mailing list
> >> > Sidefx-houdini-list at sidefx.com
> >> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >> >
> >> _______________________________________________
> >> Sidefx-houdini-list mailing list
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> >>
> >
> >
> >
> > --
> > Zoran Arizanovic
> > vfx reel : http://vimeo.com/28605448
> > http://www.imdb.com/name/nm2902303/
> >
> >
>
>
> --
> Zoran Arizanovic
> vfx reel : http://vimeo.com/28605448
> http://www.imdb.com/name/nm2902303/
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