Houdini 20.0 Nodes VOP nodes

Field Name VOP node

Provides a “fallback” value for a field/attribute if the field does not exist or the given field name is an empty string.

Since 12.0

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 P or v, or a VEX expression (not an Hscript expression) such as set(P.x, v.y, Pz).

Default Value

The constant value to use for lookups into the field if the field does not exist (or the field name is blank).

See also

VOP nodes