code: def b_neg(self):
          '''
          Negative antipodal point on the minor axis, Point class.
          '''
          nb = Point(self.center)
  
          if self.xAxisIsMinor:
              nb.x -= self.minorRadius
          else:
              nb.y -= self.minorRadius
          return nf b_neg(self):
          '''
          Negative antipodal point on the minor axis, Point class.
          '''
          nb = Point(self.center)
  
          if self.xAxisIsMinor:
              nb.x -= self.minorRadius
          else:
              nb.y -= self.minorRadius
          return nb
docs: Negative antipodal point on the minor axis, Point class.