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Motion Vectors out of Maya and vray

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Byron Nash
Motion Vectors out of Maya and vray
on Sep 10, 2011 at 12:49:48 am

Can you use the Velocity pass from a Maya vray render with RSMB? We used the 2d Motion Vector pass in mental ray on a previous project but will be rendering in vray on this job. The velocity pass looks different than the Motion Vector Pass.

Byron Nash
3D Artist
http://www.editatjoes.com


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Pierre Jasmin
Re: Motion Vectors out of Maya and vray
on Sep 10, 2011 at 2:27:12 am

Yes it looks different -- and you are not alone with that problem
I wrote to them again today, if you have some "5 frames" sequence (rgba and velocity pass) bring it on (use the contact form http://revisionfx.com/support/contact/ to get an ftp download area if needed - and then tell us where it is).

All I know is it is not scaled so there is negative motion in the image so it will work only in 32b but there seems to be a larger problem from my earlier tests.

What is good to trouble shoot is 1 frames static - no motion, and then a simple object like a cube like moving 20 pixels in X per frame and 10 in y per frame or something like that.

Pierre
RE:Vision Effects



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