The unit of luminance (candela per square meter).
Describes the surface power of a visible light source. When you use this unit, the overall power of a light source depends the size of the light source, meaning the the illumination level of a Scene changes depending on the size of the light source. Highlights that a light source produces conserve their intensity regardless of the size of the surface.
A light source that emits 1 candela of luminous intensity onto an area of 1 square meter has a luminance of 1 candela per square meter.
Compatible light types: LightType.Rectangle, LightType.Disc, LightType.Tube.
Additional resources: Light.lightUnit, light component.