def __str__(self):
    return ('%s (%6.3f,%6.3f,%6.3f)' % (self.Label, self.Pos[0], self.Pos[1], self.Pos[2]))
def __str__(self):
    return ('%s (%6.3f,%6.3f,%6.3f)' % (self.Label, self.Pos[0], self.Pos[1], self.Pos[2]))