def METHOD_NAME(self):
    self.world = defaultdict(list)
    self.pixel = defaultdict(list)
    self.angle = defaultdict(list)
    self.disp = defaultdict(list)
    self.minor_world = defaultdict(list)
    self.minor_pixel = defaultdict(list)
    self.minor_angle = defaultdict(list)
    self.minor_disp = defaultdict(list)