Noise in direct diffuse pass

Newtek Lightwave 3D (exporter developed by holocube, Integrated Plugin developed by juanjgon)

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marchermitte
Licensed Customer
Posts: 283
Joined: Sat May 29, 2010 9:25 pm
Location: Geneva
Contact:

Hello
There is one think I tend to do in general with renderes, to diagnose where I need more samples, It's to render specular / reflections, Direct and indirect diffuse passes, and check where there is noise. This way I can increase samples in the right departement.
I have a noise problem with an octane animation, but It's really apparent in the direct diffuse pass.
Increasing lights and emitter samples doesn't seems to do much.
Any Advice?

Thank you!
Marc Hermitte
Intel I7 4.5 Ghz, 24 gig ram, 2x Nvidia GTX 480, win 764bits
elsksa
Licensed Customer
Posts: 784
Joined: Sat Jul 24, 2021 1:06 am

Hello,

Beware that Octane does not have a per-light sampling option. What you are referring to is Light Sample Rate that is used to allows Octane to prioritize the sampling of lights that "are the most noisy", Octane will sample these lights first before sampling other lights. In other words, it could be described as a "light sampling priority" option.

It would be helpful if you could share a screenshot of your scene, your complete render-settings and any other helpful and necessary information. Without those, it is near impossible to troubleshoot a scene via the forum.

In the meantime, perhaps this could help: https://www.elsksa.me/scientia/cgi-offl ... r-settings
marchermitte
Licensed Customer
Posts: 283
Joined: Sat May 29, 2010 9:25 pm
Location: Geneva
Contact:

Thank you.
Nice website that you put together, lots of clear infos.
Marc Hermitte
Intel I7 4.5 Ghz, 24 gig ram, 2x Nvidia GTX 480, win 764bits
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