Hi everyone,

I have a VDB volume A which is smaller than another VDB volume B.
I would like to expand the voxel range (bounding box) of volume A to match volume B — so that A’s grid covers the same space as B — but I want to keep the visual appearance (surface or fog shape) of A unchanged.

What would be the best approach or node setup to achieve this?

Thanks a lot for any advice!

VDB Activate SOP in Reference mode

Thank you — this really helps!