[in, out] SphereStyle – An enum that determines which part of the sphere is visible. The SphereStyle enum has the following values:
SPHERE_NORMAL  = 0
The entire sphere is visible.
SPHERE_UPPER_HALF  = 1
The top half is visible.
SPHERE_LOWER_HALF  = 2
The lower half is visible.
SPHERE_ UPPER_HALF_BASE = 3
The upper half, with a base, is visible.
SPHERE_LOWER_HALF_BASE = 4
The lower half, with a base, is visible.