That's what I did Paul, but I did not add the geometry out node. I think the problem is not that (it works even without that node), but it's a scale problem.
The original size of the vdb cloud is much larger than the block I want to associate with. When I scale the block, to get the desired size of ...

face_off wrote:Hi - it is much easier to do this by using the plugin proxy system to load an ORBX or OCS containing the VDB file and it's material.

Paul

Can you explain the procedure? Please Paul

Hi there,
I know that Rhino is not the most suitable software for volumetric rendering, but I had a bit of time and decided to try it out.
In the standalone I associated a .vdb cloud to the Render Target, modified the density, absorption and scattering parameters to get the effect you see and ...

Ok, this way works. But until some time ago I could easily double-click the file and the plugin loaded successfully. Why this change? Pls see question 15 at https://docs.otoy.com/?manual=manuals/products/rhino/v3/faq/#rhino-v3-faq .

Paul

That was the problem!!! I just didn't notice it until now ...

face_off wrote:

Ok, this way works. But until some time ago I could easily double-click the file and the plugin loaded successfully. Why this change?

I'm not sure. And the McNeel forums appear to be down at the moment, but I will ask the Rhino devs when I can.

Paul

Thank you for your time Paul.

Hi - the plugin should load when Rhino starts up. Have you tried starting Rhino (which should cause the plugin to load) and then loading your scene? Do not double-click your .3dm file, since Rhino does not load some plugins when you do this.

Paul

Ok, this way works. But until some time ago I ...

Hi there,
from a little time I am having problems every time I open a scene.
The plugin does not load and I am forced to create a new empty scene, then copy and paste the other scene to use octane. But once saved, when I open the problem occurs again and I have to repeat the same steps.

http://i ...

Thanks a lot paul, you've been very helpful!

By "their appropriate layer" I mean Shadows Layer.

This is a part of the render, where you can see a shadow at the bottom:


I enabled the Alpha Channel:


However, the Shadows Layer is empty:

Hi guys! First of all I wish you a happy new year!
Is there a way to save the shadows in their appropriate level? Thanks