Maya Mental Ray Issue

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  06 June 2013
Maya Mental Ray Issue

I was rendering EXR sequence with Maya mental ray and I found out that even though my beauty pass is fine but the rest of the passes like diffuse,indirect etc have some sort of flickering.I don't know the reason.

If any one has some sort of solution or reason for the emergence for such any issue please share it hear with me .

  06 June 2013
I would have to see what you're talking about.
My opinions are always my own...and maybe a friend's, but never my employer's.
  06 June 2013
It appears that I am losing shadows in diffuse,indirect,translucency and specular in some of the frames as some objects randomly becomes bright and dark.there is no occlusion pass.

What I am more concerned is why it is not visible in the beauty pass as beauty pass is perfectly fine.

Also I have some black spots which appears and disappears during the sequence not to mention those black spots are not visible in beauty pass.

I don't know the reason I used the same settings for my other renders with same objects but they render fine.

Unfortunately I am unable to share any image ,I hope u can understand .
  06 June 2013
Are you using Final Gathering?

BTW, if you're concerned for NDA reasons about posting images then you can either render the same scene using some primitive placeholder objects or crop the offending areas so that you're not showing the entire image. Otherwise we're just taking shots in the dark.
  06 June 2013
Yes, I am using Final Gathering with reference objects.Also I can't access the files because there is no access point in the studio.
  07 July 2013
Did you try setting the min max radius for optimize for animation? the max size is 10% of the scene size and the min size is 10% of the max size.. I always check the scenesize with either the measure tool or with the camera clipping plane parameter. Set the min max size in the indirect lightning tab under Final Gather Tracing.
  07 July 2013
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