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View Full Version : mr blur bug with shutter 0.25 and 0.75


Noetigenfalls
02-15-2010, 08:14 PM
Hi everyone!

I came across some strange render glitches using mental ray for maya 2009.

Using "Full" motion blur the scene renders fine with a "Shutter Open/Close" of 0 and 1 (see first screenshot).
As soon as I adjust the Shutter to 0.25 and 0.75, some strange artifacts appear (second screenshot).

Shuttervalues of 0.0 and 0.5 or setting "Motion Blur By" to 0.5 works just fine again.

Question: Is this just a bug, or is there an explanation to this behavior, that in the future might help me avoiding issues with motion blur, erratic behavior with certain materials/shaders/lights for example?

Thanks in advance!

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