utils.py 文件源码

def min_side(_, pos):
    """
    Given an object pixels' positions, return the minimum side length of its
    bounding box
    :param _: pixel values (unused)
    :param pos: pixel position (1-D)
    :return: minimum bounding box side length
    """
    xs = np.array([i / SSIZE for i in pos])
    ys = np.array([i % SSIZE for i in pos])
    minx = np.amin(xs)
    miny = np.amin(ys)
    maxx = np.amax(xs)
    maxy = np.amax(ys)
    ct1 = compute_line(np.array([minx, miny]), np.array([minx, maxy]))
    ct2 = compute_line(np.array([minx, miny]), np.array([maxx, miny]))
    return min(ct1, ct2)