OTOY Forums

Posted: **Sun Feb 05, 2017 5:37 pm**

I'm doing a stylized architectural render and I actually want to render a grainy AO Pass.

Problem is, Octane renders so fast that I can't seem to pause the render before the grain begins to clean up. I've tried lowering a bunch of different settings and disabling all but one gfx card, but nothing seems to be working.

I could switch to the MODO renderer, but my lighting doesn't match up exactly, so I'm not sure the results would be usable.

Any thoughts?

Thanks.

Posted: **Sun Feb 05, 2017 11:24 pm**

You could try setting the max samples low (render pass button > info passes > max samples). You probably want to only do the AO pass when rendering so it doesnt affect anything else

Posted: **Mon Feb 06, 2017 2:32 am**

As funk said, decrease Max Samples. You could also increase Path Termination Power from 0.3 to something closer to 1, which will add a lot of grain to the dark areas. Another thing you can try is to reduce the power of all the lighting so the render is quite dark, and then increase the exposure.

Paul

Posted: **Mon Feb 06, 2017 4:12 am**

Thanks guys! The Max samples trick gave a pretty good result. Going to try the other methods as well.

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