VDB Attribute Diagnostics

An easy way to diagnose the maximum Density, Heat, etc of VDB file is to open the Houdini texport and type:

echo `volumemax('/obj/fire/convertvdb1', 0)`

Here is a breakdown of the structure of that command:

echo `volumemax('geo node name', attribute array identifier, such as 0, 1, 2, 3 for things like heat, density, etc)`

New Point SOP – Up Vector

Since the Old Point SOP is gone, tutorials showing Houdini 15.5 are no longer in sync with the new Point SOP available in Houdini 18. So how do you add Up Vectors to your shapes in Houdini 18? Like so: