Rendering inside Volume Fog geometry

[Atomictroy]

Is it possible to render an object filled with a volume fog when a camera is also inside the geometry? I'm trying to render a camera pass travelling through a light juice liquid. Volume Fog works great until camera penetrates the surface geometry — where it disappears. It seems I've been able to do this before, just can't find the workflow now.

Any input will be greatly appreciated.

[t.petrov]

You should use Environment volume override. It is set in Render Settings -> Overrides -> Volumetrics.

[Atomictroy]

Thank you for the quick response. The Environment volume override does create the volume but seem to be a global effect. For the effect, I'm trying to have the camera reverse travel through a "fog" and then exit the fog container and continue a pullback (travel through a murky liquid revealing a product shot of bottle w/liquid). Is there a way to have the environment volume override limited to a geometry volume?

[t.petrov]

Yes, the environment volume node is a set.
If you add mesh objects to the set it will confine the fog inside these objects (you just have to make them transparent).

[Atomictroy]

the environment volume node is a set.

Thank you, that's what I was missing.