avoiding flikering without increasing fg rays

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Old 04 April 2007   #1
avoiding flikering without increasing fg rays

i am rendering an animation in a big city, my lighting is working fine, it's taking me 2 hours to render a frame (wich is correct for me)
i am using fg with:
300 rays
1.5 max 0.15 min.

but due to the low number of rays i am having some flickering. Is it possible to find a workaround without touching the fg values and the number of rays?
 
Old 04 April 2007   #2
try increasing fgrays density.
btw, use the new multiframe fg mode if you're animating with mray3.5.

max
 
Old 04 April 2007   #3
how about using an AO pass, rather than FG ..then you contorl the blur in post
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Old 04 April 2007   #4
Try increasing the FG filther value to 1 or 2.
 
Old 04 April 2007   #5
ok it seems that turning point density to 10 is fixing the problem with a low number of rays.
Great!

i just hope there is no side effects.
 
Old 04 April 2007   #6
actually point density takes crazy amount of memory.
 
Old 04 April 2007   #7
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