Houdini 20.5 Nodes VOP nodes

Karma Light Filter Barndoor VOP node

Karma Light Filter that adds barndoors to a cone light.

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Since 19.5

Overview

A light filter prim can be assigned to a light to modify the light rays sent by the light. See Karma light filters for more information.

This light filter adds barndoors to a cone light.

Parameters

Left

Slides in a light blocker from the left, covering part of the spotlight cone. 1.0 reachs all the way across the cone, blocking all light.

Left Edge

Extends the left edge by an additional soft edge. 1.0 creates a gradient as wide as the spotlight cone.

Right Edge

Extends the right edge by an additional soft edge. 1.0 creates a gradient as wide as the spotlight cone.

Top

Slides in a light blocker from the top, covering part of the spotlight cone. 1.0 reachs all the way across the cone, blocking all light.

Top Edge

Extends the top edge by an additional soft edge. 1.0 creates a gradient as wide as the spotlight cone.

Bottom

Slides in a light blocker from the bottom, covering part of the spotlight cone. 1.0 reachs all the way across the cone, blocking all light.

Bottom Edge

Extends the bottom edge by an additional soft edge. 1.0 creates a gradient as wide as the spotlight cone.

Tint

Multiply the resulting color by this tint.

Intensity

Scales the intensity of the light source

Exposure

Adjusts the exposure of the light source

Diffuse Scale

A multiplier for the diffuse contribution of the light source

Specular Scale

A multiplier for the specular contribution of the light source

Invert Blockers

Invert the blockers

See also

VOP nodes