Houdini 19.5 Nodes VOP nodes

MtlX Surface Unlit VOP node

An unlit surface shader node.

Since 19.5

An unlit surface shader, constructed from emission and transmission values. It represents a surface that can emit and transmit light, but does not receive illumination from light sources or other surfaces.



Surface emission amount. Multiplier of the Emission Color.

Emission Color

Color emitted by the surface.


Surface transmission amount. Multiplier of the Emission Color.

Transmission Color

Color transmitted through the surface.


Surface presence, useful for cutting out shapes with images or other signals.

VOP nodes