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Old 07-10-2011, 11:50 PM   #1
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Papillon Papillon
Lighting & Environment Artist
Square Enix
Montreal, Canada
Join Date: Feb 2005
Posts: 1,837
mia_material and motion blur issue

when turning on motion blur even with high settings, my mia_material gives bad sampling when lit by an area light ( border jaginess). Plus my object is not even moving, i had this problem in maya 2011 and 2012. I attached a simple file, just turn on and off the motion blur to see the difference.
Old 07-11-2011, 06:16 PM   #2
Rendering is an Art !
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Ash Man
Cairo, Egypt
Join Date: Aug 2002
Posts: 950
I believe what you are looking at is extreme reflection spikes
I'm not sure why you linked it to motion blur, turning it on or off didnít change the render on my side
Usually the fix is to use a lens Shader, but that didnít work in your case (u already have it)
the only way for me to get rid of them is to adjust the light intensity

edit: increasing the Light samples also helps

Last edited by Ash-Man : 07-11-2011 at 06:18 PM.
Old 07-11-2011, 06:16 PM   #3
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