Initializes the given Sphere using the given array of 3D coordinates so that the sphere includes them.
The center of the sphere can either be specified, or will be center of the 3D volume that encompasses all points.
| this |
the Sphere to initialize |
| points |
an array of Point3D |
| center |
the center of the sphere |
| n_points |
the number of Point3D in the |
|
the initialized Sphere |