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Ricky Reusser wrote:
> Well, it's been a while so I hope this attachment works. It's just an mpeg
> attached with KNode so we'll see.
>
> Here's the beginning of an attempt at that Visual Simulation of Smoke paper
> (graphics.stanford.edu/~fedkiw/papers/stanford2001-01.pdf [I hope I got
> that right - I had to type it in from OS X -- if not, google it!]). Each
> pixel represents one voxel, so that makes the simulation 100 x 160. It has
> vorticity confinement, the semi-lagrangian scheme and a conjugate gradient
> solver. That last part really isn't as bad as it looks. Frankly, I only
> vaguely understand the concept, but the algorithm isn't hard to implement.
>
> I still have to do the cubic interpolation, and (of course) add another
> dimension, but so far it at least looks somewhat like smoke. Oh and I
> suppose incomplete cholesky preconditioning would be a plus too. The mpeg
> compression made it darker than it should be so the eddies lost a lot of
> detail, but it isn't too bad. Once I get things working better, I'll post
> the c++ code, but I warn you in advance that it's pretty ugly coming from
> someone who's just proud they figured out how to work objects.
>
> It's sad this is how I spend my summer. Just a parting thought.
>
> - Ricky
wow, i thought i'd left my cigarette in the monitor
it needs a red glow and some ash
it would be superb in a cafe scene
and i was hoping it was in pov sdl, then i read the text
now rather sad
stephen
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