Using Octane 2020.1.5 Studio, how to setup volumetric fog?

[Tigersan]

Hello I'm using Octane plugin 2020.1.5.104 and i need help finding some tutorials on how to set up the
volumetric fog... I have tried finding that but none of the threads were showing how to do that...

Thank you

[Tigersan]

Any reply? If volumetric fog is not doable in Octane Poser plugin just say so... Thanks

[face_off]

Hi

Add a Medium to the Environment->Medium pin, and increase the Medium Radius until you get the effect that you want.

Paul

[Tigersan]

I tried it but it simply darkens the scene, i used volume medium in the medium parameter under environment.
Do you have any tutorials on how to make use of it? I can't seem to make any progress with it. Anything i touch just makes the render dark...
I changed the medium radius from 0.001 to 10000000 no change whatsoever... :/

[face_off]

Try Random Walk, Density 0.02 and a Medium Radius of 100. And tweak those settings to get the effect you are looking for. For you can also increase your Sun power to amplify the effect.

Paul

[Tigersan]

Ok thanks that works, but the light shining through it doesnt leave volume rays ...

[wimvdb]

Not sure if you mean godrays, but if you do, here is an example of how to do it.
I used a Poser spot, converted it to emitter and added an IES distribution to create an octane spotlight.
Here are my settings:

[Tigersan]

Alright thank you! Let me try this!

[Tigersan]

Ok, and how to set up the volume so that Daylight Environment as a light source shows in the fog as rays?

[face_off]

Ok, and how to set up the volume so that Daylight Environment as a light source shows in the fog as rays?

I don't think the Daylight Environment works well for rays. Use an emitter light instead.

Paul