コード例 #1
0
def test_bbox_intersection():
    """
    Test expected return when there is a valid intersection.
    """
    # With self
    bb = AxisAlignedBoundingBox([1, 1], [2, 2])
    assert bb.intersection(bb) == bb

    # Diagonal
    # +---+
    # | +---+
    # +-|-+ |
    #   +---+
    bb1 = AxisAlignedBoundingBox([0, 0], [2, 2])
    bb2 = AxisAlignedBoundingBox([1, 1], [3, 3])
    expected = AxisAlignedBoundingBox([1, 1], [2, 2])
    assert bb1.intersection(bb2) == expected
    assert bb2.intersection(bb1) == expected

    # ``other`` fully contained with, and ``other`` fully enclosing
    # +-----+
    # | +-+ |
    # | +-+ |
    # +-----+
    bb1 = AxisAlignedBoundingBox([3, 2, 8], [6, 5, 11])
    bb2 = AxisAlignedBoundingBox([4, 3, 9], [5, 4, 10])
    expected = bb2
    assert bb1.intersection(bb2) == expected
    assert bb2.intersection(bb1) == expected
コード例 #2
0
def test_bbox_no_intersection():
    """
    Test that the expected conditions result in no intersection.
    """
    # +-+
    # +-+
    #    +-+
    #    +-+
    bb1 = AxisAlignedBoundingBox([0, 0], [1, 1])
    bb2 = AxisAlignedBoundingBox([3, 3], [4, 4])
    assert bb1.intersection(bb2) is None
    assert bb2.intersection(bb1) is None

    # Edge adjacency is not intersection
    #  +-+-+
    #  +-+-+
    bb1 = AxisAlignedBoundingBox([0, 0], [1, 1])
    bb2 = AxisAlignedBoundingBox([1, 0], [2, 1])
    assert bb1.intersection(bb2) is None
    assert bb2.intersection(bb1) is None
    # +-+
    # +-+
    # +-+
    bb1 = AxisAlignedBoundingBox([0, 0], [1, 1])
    bb2 = AxisAlignedBoundingBox([0, 1], [1, 2])
    assert bb1.intersection(bb2) is None
    assert bb2.intersection(bb1) is None