Disk Light#

A DiskLight emits from one side of a circular disk along its local -Z axis. Use it for circular panels and downlights. It also uses the common light attributes.

A test scene lit by a circular disk area light

A disk light produces illumination from a circular emitting surface.#

USD declaration

Description

float inputs:radius = 0.5

Disk radius in scene units.

The following examples create a disk light with a 0.25 scene-unit radius:

def DiskLight "Downlight"
{
    float inputs:radius = 0.25
}

light = UsdLux.DiskLight.Define(stage, "/World/Downlight")
light.GetRadiusAttr().Set(0.25)