import numpy as np
from . import merge_quadrangle_n9
if __name__ == '__main__':
# unit square with confidence 1
q = np.array([0, 0, 0, 1, 1, 1, 1, 0, 1], dtype='float32')
print(merge_quadrangle_n9(np.array([q, q + 0.1, q + 2])))