Spotlight
The Spotlight distribution node can be used with an Octane Area Light or as part of an emission material on a polygon to create a realistic spotlight behavior, without the need of an IES texture (figure 1).
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Spotlight
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Figure 1: The Spotlight Texture attached to a Blackbody Emission node to provide spotlight attributes for the light object
Spotlight Parameters
Orientation- Determines how the cone will be oriented; the choice will use the coordinates in the Direction or Target edit fields.
- Surface Normal
- Direction - world space
- Direction - object space
- Target point - world space
- Target point - object space
Direction or Target - The direction of the light or the target object.
Cone Angle - The angle of the actual cone. Smaller values produce a tighter cone.
Hardness - Sets the hardness of the penumbra (cone) boundaries. Lower values produce a softer look.