I rendered hair from the same scene across multiple machines and never ran into this. That was with 3delight, though I doubt there is a dependency on the actual renderer as XSI is responsible for delivering the full hair description to the renderer. However, what I did not use was clumping (Hair Multiplicity), in case you use that you might want to try to turn it off and render a few frames on all machines and see if that "fixes" the problem. Is the problem persistent on just those few machines, or does it wander across machines? If it's always the same machines, maybe you are using some sort of cut map (or other map influencing hair geometry) and some machines can't find that texture, hence rendering the hair slightly different on those machines that can't find it?
Is there something about XSI's standard hair primitives (not ICE) that causes the hairs to be generated slightly differently each time a scene is >opened? We're rendering with Redshift, but I'm thinking we saw something like this a few years ago with Mental Ray as well. Basically, on the >farm, some machines will render their frame ranges with slightly different hair than any other machine. The only solution seems to be to render all >the hair on a single machine, and to do so in a way that keeps the scene open (so in the case of Royal Render for instance, set the sequence >maximum to be the full range you need). The rendered hair isn't 'bad' per se, it's just 'different' from surrounding frame ranges. The simplest description is that each machine seems to want >to render the hair slightly differently. And I really wonder if it's not some bug with XSI hair. -- Tim Crowson Lead CG Artist Magnetic Dreams, Inc. 2525 Lebanon Pike, Bldg C, Suite 101, Nashville, TN 37214 Ph 615.885.6801 | Fax 615.889.4768 | www.magneticdreams.com [email protected]
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