A distant light is a infinitely far light source. It is generally used to replicate the light effect from the sun
Creating a Distant Light
To create a distant light, right-click in the GafferThree's Object table and select Add → Distant Light, or press the W key. Distant lights are shown as a group of arrows pointing in the light's direction in the Viewer.
A distant light in the GafferThree node parameters and in the Viewer.
Controlling a Distant Light
The object tab Object tab serves to specify the Angular Diameter of the distant light (as is explained in more details below) and whether it is Visible to Camera (represented as a disk in the image background). It also presents the Distant Light's transform. While positioning and scaling an infinitely far object makes little sense, adjusting the translation and scale can be useful when make manipulating a distant light in the Viewer Viewer easier. During rendering, only the rotation has an effect.
The Material tab serves to control several light parameters. The effect of these are explained and illustrated in the next sections.
The Object tab of a distant light.
The Material tab of a distant light.
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