Hi, I was just asking if you were working on the problem. If not, I think you should change the Octane manual or describe the behavior there. Apart from that, you can find a small, very simple XParticles project with 7 emitters in the attachment. Under Octane 2021 it is not possible to render this ...

{UPDATE]
As of ver. 2021.1.6-(R2) - the geometry index equals the index of the group - is the only possible way for this feature to work.
As we talk, you need to keep order and full objects in object list for both emitters as you see in the picture. Just putting it for referencing to next post for ...

same here: C4D 2023 - newest Octane version: crashing on an empty scene just by adding a light object (e.g. add a target area light and click on the target-tag - crash)

Hi rjohn,
in general, Render Layers are intended to the final output. For fast preview, you can use a diffuse material with the Matte option active in the Common section:
Screen Shot 2016-08-16 at 11.53.40.jpg
ciao beppe

Hi Beppe,

MANY, MANY THX!! YOU made my day - works perfect!! Thanks a lot ...

Guys, I need your help since I’m pretty new to Octane within C4D and there is one thing I can’t handle: shadow with a camera-tracked scene. Hope you can help me with some hints.
After studying the online manual help many times and also watching the tutorial about render passes of inlifethrill ...