EmitterObject::GetBottomSurfaceEmissionPoint

Defined in: C4Emitters.h

Returns a random point on the bottom surface of an emitter volume.

Prototype

Point3D GetBottomSurfaceEmissionPoint(void) const;

Description

The GetBottomSurfaceEmissionPoint function returns a uniformly-distributed random point on the bottom surface of an emitter volume. The bottom surface is the portion of the emitter boundary having the smallest z coordinates.