Within the volume, the direction and intensity can vary in many different parameters. The main use of the volume light is to be a force field generator and particle emitter. Shape Click to the right of the heading to display the Shape menu from which you can choose a variety of shapes for the Volume light. See the following examples. You can scale, rotate, or translate to resize or reshape the Volume light shape.
Linear lights are initially two units long.
The length of a linear light can be changed by using Xform Scale . Because of this sampling, linear light shadows are more expensive than point shadows. The increase in cost is proportional to the complexity of the scene and the length of the linear light. Create defaults Purpose Sets the default lighting for a scene, automatically creating two lights. The lights that are created are normal, fully-functional lights.