def get_rect_area_total(obj_list, window):
if not obj_list:
return 0.0
area_total = 0
box_list = get_box_list(obj_list)
box_list_clip = np_box_list_ops.clip_to_window(box_list, window)
box_list_norm = np_box_list_ops.change_coordinate_frame(
box_list_clip, window)
n_boxes = box_list_norm.num_boxes()
index = [str(i) for i in range(n_boxes)]
box_list_norm.add_field('index', np.asarray(index))
box_list_norm_org = copy.deepcopy(box_list_norm)
sign = 1
while box_list_norm:
area = np.sum(np_box_list_ops.area(box_list_norm))
area_total += area * sign
sign *= -1
box_list_norm = np_box_list_ops.intersection_boxes(
box_list_norm_org, box_list_norm)
return area_total
def test_area(self): areas = np_box_list_ops.area(self.boxlist1) expected_areas = np.array([6.0, 5.0], dtype=float) self.assertAllClose(expected_areas, areas)
def test_area(self): areas = np_box_list_ops.area(self.boxlist1) expected_areas = np.array([6.0, 5.0], dtype=float) self.assertAllClose(expected_areas, areas)