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Granularity/Grain in MAX 2016/Vray 3.01
show user profile  GloriaJean
What Vray function(s) controls granularity or grain in renderings. I suspect it is a lighting control but I am too lazy to try different modes haphazardly. Not limited to shadows.

Thank You!
read 530 times
7/11/2015 9:49:48 PM (last edit: 7/11/2015 9:49:48 PM)
show user profile  herfst1
DMC Sampler. Untick the noise threshold button so it's ungreyed (and you can play with it. The lower you go the less noise and longer render times), and set min samples to 1 and max to 50.


If your shadows are grainy, up the subdivs of the lights (which are casting shadows).

Same logic applies to materials. Easy rule of thumb, if the glossiness is lower you'll need more subdivs to counteract noise.

Also if you're using indirect illumination you'll want to up those settings if it's still grainy, and turn on GI.
read 528 times
7/11/2015 9:55:58 PM (last edit: 7/11/2015 9:55:58 PM)
show user profile  GloriaJean
Superb answer. Thanks a million - worth printing out.
read 525 times
7/11/2015 10:07:02 PM (last edit: 7/11/2015 10:07:02 PM)
show user profile  herfst1
read 522 times
7/11/2015 10:23:11 PM (last edit: 7/11/2015 10:23:11 PM)
show user profile  Bolteon
Side note, if your taking your color threshold lower than around 0.01, you're approaching quickly the mathematical peak of what you'll be able to get out of the DMC sampler in terms of clarity/lack-of-grain.

Second side note, I've never seen herfst1 so quick and helpful. Well played GloriaJean.

-Marko Mandaric

read 509 times
7/11/2015 11:17:06 PM (last edit: 7/11/2015 11:17:06 PM)
show user profile  herfst1
It's only cause she was very appreciative last time someone helped her here. Gratitude goes a long way in my book.
read 504 times
7/11/2015 11:33:25 PM (last edit: 7/11/2015 11:33:25 PM)
show user profile  Bolteon
Even more confused now. Brain, near exploding.

-Marko Mandaric

read 501 times
7/12/2015 1:14:56 AM (last edit: 7/12/2015 1:14:56 AM)
show user profile  herfst1
...And she hates Bruce Jennar. So another completely valid reason.
read 499 times
7/12/2015 1:32:42 AM (last edit: 7/12/2015 1:32:42 AM)
show user profile  Bolteon
there we go... good ol' herfst1.

-Marko Mandaric

read 486 times
7/12/2015 4:54:14 AM (last edit: 7/12/2015 4:54:14 AM)
show user profile  GloriaJean
Don't get me started on Bruce Jenner. What a fxcking (ugly) disappointment and why is this news? I mentioned to some friends that a bunch of Hell's Angels should gang bang IT but they remarked that IT would probably like it!
read 460 times
7/12/2015 8:13:45 PM (last edit: 7/12/2015 8:13:45 PM)
show user profile  herfst1

read 451 times
7/12/2015 9:18:16 PM (last edit: 7/12/2015 9:18:16 PM)
show user profile  soontekk
Very quick rule of thumb, up all samples of everything, if still grainy repeat !

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /

read 429 times
7/13/2015 12:50:28 PM (last edit: 7/13/2015 12:50:28 PM)
show user profile  FX

read 336 times
7/26/2015 2:53:03 AM (last edit: 7/26/2015 2:53:12 AM)
show user profile  Bolteon
Way to necro this thread...

-Marko Mandaric

read 330 times
7/26/2015 3:38:35 AM (last edit: 7/26/2015 3:38:35 AM)
show user profile  FX
2 weeks ? rigamortis has barely set in.

read 327 times
7/26/2015 3:59:34 AM (last edit: 7/26/2015 3:59:34 AM)
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