Esempio n. 1
0
def surface_surface_check(strategy, surface1, surface2, *all_intersected):
    # NOTE: There is no corresponding "enable", but the disable only applies
    #       in this lexical scope.
    # pylint: disable=too-many-locals
    assert surface1.is_valid
    assert surface2.is_valid
    intersections = surface1.intersect(surface2, strategy=strategy)
    extra_verify(strategy, intersections)

    if len(intersections) != len(all_intersected):
        raise utils.IncorrectCount(
            "Received wrong number of intersections",
            len(intersections),
            "Expected",
            len(all_intersected),
        )

    all_edges = surface1._get_edges() + surface2._get_edges()
    for intersection, intersected in six.moves.zip(
        intersections, all_intersected
    ):
        if isinstance(intersection, bezier.CurvedPolygon):
            assert isinstance(intersected, utils.CurvedPolygonInfo)
            edge_info, int_edges = curved_polygon_edges(intersection)
            num_edges = len(edge_info)
            if num_edges != len(intersected.edge_list):
                raise utils.IncorrectCount(
                    "Received wrong number of edges within an intersection",
                    num_edges,
                    "Expected",
                    len(intersected.edge_list),
                )

            assert num_edges == len(intersected.start_params)
            assert num_edges == len(intersected.end_params)
            assert num_edges == len(intersected.nodes)
            for index in six.moves.xrange(num_edges):
                edge_triple = edge_info[index]
                edge_index = intersected.edge_list[index]
                assert edge_triple[0] == edge_index
                start_val = intersected.start_params[index]
                end_val = intersected.end_params[index]
                CONFIG.assert_close(edge_triple[1], start_val)
                CONFIG.assert_close(edge_triple[2], end_val)
                expected_root = all_edges[edge_index]
                specialized = expected_root.specialize(start_val, end_val)
                edge = int_edges[index]
                assert np.allclose(specialized._nodes, edge._nodes)
                node = intersected.nodes[index, :]
                CONFIG.assert_close(edge._nodes[0, 0], node[0])
                CONFIG.assert_close(edge._nodes[1, 0], node[1])
        else:
            assert isinstance(intersection, bezier.Surface)
            assert isinstance(intersected, utils.SurfaceIntersectionInfo)
            if intersected.first:
                assert intersection is surface1
            else:
                assert intersection is surface2
Esempio n. 2
0
def get_sorted_intersections(intersection_info, strategy):
    nodes1 = intersection_info.nodes1
    nodes2 = intersection_info.nodes2
    if strategy is GEOMETRIC:
        intersections, _ = _geometric_intersection.all_intersections(
            nodes1, nodes2)
    else:
        intersections, _ = _algebraic_intersection.all_intersections(
            nodes1, nodes2)
    # Make we have the right number of intersections.
    if intersections.shape != (2, intersection_info.num_params):
        raise utils.IncorrectCount(
            "Received wrong number of intersections",
            intersections.shape,
            "Expected",
            intersection_info.num_params,
            intersection_info.test_id,
        )

    # Sort the intersections by s-value.
    sorted_inds = np.argsort(intersections[0, :])
    return intersections[:, sorted_inds]