parameters: (self, points, radius=None, center=None)
docstring: Initializes the object and starts the computation of the Voronoi
          diagram.
  
          points : The generator points of the Voronoi diagram assumed to be
           all on the sphere with radius supplied by the radius parameter and
           center supplied by the center parameter.
          radius : The radius of the sphere. Will default to 1 if not supplied.
          center : The center of the sphere. Will default to the origin if not
           supplied.
docstring_summary: Initializes the object and starts the computation of the Voronoi
          diagram.
docstring_tokens: Initializes the object and starts the computation of the Voronoi diagram .
function: def __init__(self, points, radius=None, center=None):
          """
          Initializes the object and starts the computation of the Voronoi
          diagram.
  
          points : The generator points of the Voronoi diagram assumed to be
           all on the sphere with radius supplied by the radius parameter and
           center supplied by the center parameter.
          radius : The radius of the sphere. Will default to 1 if not supplied.
          center : The center of the sphere. Will default to the origin if not
           supplied.
          """
  
          self.points = points
          if np.any(center):
              self.center = center
          else:
              self.center = np.zeros(3)
          if radius:
              self.radius = radius
          else:
              self.radius = 1
          self.vertices = None
          self.regions = None
          self._tri = None
          self._calc_vertices_regions()
function_tokens: def __init__ ( self , points , radius = None , center = None ) : self . points = points if np . any ( center ) : self . center = center else : self . center = np . zeros ( 3 ) if radius : self . radius = radius else : self . radius = 1 self . vertices = None self . regions = None self . _tri = None self . _calc_vertices_regions ( )