A layer's Multi-Light attributes.
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An example of how this feature can be used is detailed in Multi-Light Rendering.
Selecting Rigs and Lights Image Layers
The light sources and rigs defined by upstream GafferThree nodes are listed in the Multi-Light section. All light sources that are in a rig will be rendered in a single multi-light image layer. Enabling the Display All Lights option will add every light contained in rigs under the Lights section of the multi-light list. It then becomes possible to generate independent multi-light image layers for some or all of the lights that are in a rig.
Handling Missing Lighting Elements
The Multi-LIght list refers to scene graph locations. If a light source is renamed, disabled or muted in the GafferThree, or if the GafferThree isdisconnected, a warning will appear in the Multi-Light section of DlSettings. The missing light image layers will still be rendered (as black image layers), unless the missing light is deselected in the Multi-Light list.