2009

Basic Options group
Mode Selects the way the area shadows are generated:
■ Simple Casts a single ray from the light toward the surface. No antialiasing
on page 7904 or area light calculation is performed.
■ Rectangle Light Casts rays from the light in a rectangular array.
■ Disc Light Casts rays from the light in a circular array.
■ Box Light Casts rays from the light as if it were a box.
■ Sphere Light Casts rays from the light as if it were a sphere.
The shape of the area shadow array affects how shadows are cast.
Left: Rectangle
Right: Box
5124 | Chapter 18 Lights and Cameras