Have you tried volume rendering? Its not hard to write a DX module that uses the SGI Volumizer API to render large data sets (512^3) in real time on a single pipe. Tom Bartol wrote: > > On Mon, 17 Jan 2000, Chris Pelkie wrote: > > > >My colleagues and I are currently considering presenting our work with > > >OpenDX at VDE2000. > > > > > >Thanks for your offer! > > > > > >Tom > > > > > > > > > > Good! Tom B. has some frighteningly large data sets (bits of brain and > > stuff), as I remember. Plus, I assume you'd take your FreeBSD openDX, right? > > > > Chris Pelkie > > You bet! Joel and I would come equipped with our Thinkpad 770's (mine > with FreeBSD, Joel's with Win95) running OpenDX. Yes, our datasets are > rather large 3D reconstructions of muscle and brain synapses. Our "small" > datasets contain 10's of millions of triangles. The marching cubes > isosurface extraction step takes a couple Gigs of RAM. We're not sure how > we're going to do process our "large" datasets. We'll need algorithms > that operate "out of core" (i.e. to and from disk cache). And you can just > forget about rendering these in DX. RenderMan is very efficient and can > render out of core (Level of Detail only gets you so far -- how do you > think they rendered every leaf and blade of grass in "Bug's Life"?). > Issues related to this would be an interesting topic for discussion at > VDE2000. > > Tom
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