Generates a sphere-like surface with unit radius centered at the origin.


d: int (default: 10)

Level of detail


sphere: surf.Surface

A sphere with d**2+2 vertices and 2*d**2 faces. Seen as the planet Earth, node 0 and 1 correspond to the north and south poles. The remaining d**2 vertices are in d circles of latitute, each with d vertices in them.