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Random link of interest


Jason

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..

Has some Houdini screenshots, so it's relevant ;)

he-hee ! not simply a matter of 'relevance' .. might belong to the gallery section too =)

to be fair .. first time i saw it .. it smelled something .. a mix between theMagic and theProcedural .

thanks for the other link ! very interesting .

.cheers

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  • 1 month later...

I just watched Frozen over the weekend and was quite impressed with their snow fx!

After doing a little search I found the paper describing the snow solver:

http://www.math.ucla...ers/SSCTS13.pdf

Apparently it is quite slow, but the results were worth it!

just on time Peter, I have few challenging snow simulations to do soon.

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I just watched Frozen over the weekend and was quite impressed with their snow fx!

After doing a little search I found the paper describing the snow solver:

http://www.math.ucla...ers/SSCTS13.pdf

Apparently it is quite slow, but the results were worth it!

I just happened to attend a talk last week where Dale Mayeda from Disney showed their effects work on Frozen, and "Matterhorn", as they called their snow solver, looked awesome!

It was implemented as a SOP in Houdini, no less.

Of course I immediately started to figure out how to replicate it (as any TD would, eh?:), and I also wanted to do it inside DOPs, as it would be so much nicer.

Now I've spent a couple of evenings pretty much reading the paper over and over, and reading up on the references and physics in general, trying to get a grasp on it..

The material-point-method seems quite straight forward, but their snow constituent model and the implicit solver are quite heavy stuff, and would most probably need some HDK DOP node work. But I'm not defeated yet, and I'll surely report here if I get something working =)

Very inspiring stuff!

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Hey Eetu,

I went to a VES screening last Saturday and there was a brief discussion with the vfx sup where they showed of a bit of the tech of Matterhorn. They did not go in depth though, I guess that's where the paper comes in. One of the reasons for posting it here is because I know all to well who picks up on these tidbits of information :). So have fun developing!

Also for those wanting more eye candy:

I will try to dig into it as well and see how far I get - I can imagine it requires an hdk dop to get up to the speed level required.

One of my colleagues pointed out the work of this guy as well (sim times do seem very long):

https://vimeo.com/79613198

https://vimeo.com/74500801

Have fun with it!

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Hey Eetu,

I went to a VES screening last Saturday and there was a brief discussion with the vfx sup where they showed of a bit of the tech of Matterhorn. They did not go in depth though, I guess that's where the paper comes in. One of the reasons for posting it here is because I know all to well who picks up on these tidbits of information :). So have fun developing!

Also for those wanting more eye candy:

I will try to dig into it as well and see how far I get - I can imagine it requires an hdk dop to get up to the speed level required.

One of my colleagues pointed out the work of this guy as well (sim times do seem very long):

https://vimeo.com/79613198

https://vimeo.com/74500801

Have fun with it!

I don't know if this is been posted here before, but here's an implimentation of MPM someone wrote in Java (sources visible)

http://grantkot.com/MPM/Liquid.html

and someone translated his MPM solver to c++ and python (scroll down a bit)

http://code.google.com/p/mycodeplayground/

Cheers!

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