Houdini Combine / Flatten VDBs
I came across two situation that urged me to find a way to combine or let's say flatten vdbs so instead of having multiple densities you will end up with only one, and those situations are: - If you are using the Houdini Cloud Lighting Baker tool I created earlier, so if you have a couple of clouds that you merged and wanna bake the light on to them, only the first one will store the color data. - Another important use of this technique is when you are exporting VDBs to be us