Houdini 16.5 Nodes VOP nodes

Is Fog Ray VOP node

Returns 1 if the shader is being evaluated from within a fog shader.

This operator returns 1 if the shader is being evaluated from within a fog shader. That is, if lighting is being computed for fog shading, the output will be 1. If lighting is being computed for surface shading, the output will be 0.

See also

VOP nodes