This node may be useful for building low-level assets. For a more useful higher-level version, see the Pyro Field VOP.
Field Name or Expr
The name of a field such as
density, or a local global (as on the
Global Variables VOP such as
v, or a VEX
expression (not an Hscript expression) such as
set(P.x, v.y, Pz).
The constant value to use for lookups into the field if the field does not exist (or the field name is blank).