[Sidefx-houdini-list] sdf for animated turbine

zoran arizanovic zoran.arizanovic at gmail.com
Wed Sep 7 11:01:53 EDT 2011


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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>> > > >
>> > >
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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
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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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