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.
Karma can render unlit surfaces so they don’t emit any light into the scene. Use a Render Geometry Settings node, to set Light Source Diffuse Scale and Light Source Specular Scale to 0.
This shader is useful for glowing particles.
Surface emission amount. Multiplier of the Emission Color.
Color emitted by the surface.
Surface transmission amount. Multiplier of the Emission Color.
Color transmitted through the surface.
Surface presence, useful for cutting out shapes with images or other signals.