def test_compute_collisions_tree_3d(): references = [[ set([18, 19, 20, 21, 22, 23, 42, 43, 44, 45, 46, 47]), set([0, 1, 2, 3, 4, 5, 24, 25, 26, 27, 28, 29]) ], [ set([6, 7, 8, 9, 10, 11, 30, 31, 32, 33, 34, 35]), set([12, 13, 14, 15, 16, 17, 36, 37, 38, 39, 40, 41]) ]] points = [Point(0.52, 0.51, 0.3), Point(0.9, -0.9, 0.3)] for i, point in enumerate(points): mesh_A = UnitCubeMesh(MPI.comm_world, 2, 2, 2) mesh_B = UnitCubeMesh(MPI.comm_world, 2, 2, 2) bgeom = mesh_B.geometry.points bgeom += point.array() tree_A = BoundingBoxTree(3) tree_A.build_mesh(mesh_A, 3) tree_B = BoundingBoxTree(3) tree_B.build_mesh(mesh_B, 3) entities_A, entities_B = tree_A.compute_collisions_bb(tree_B) assert set(entities_A) == references[i][0] assert set(entities_B) == references[i][1]
def test_compute_collisions_tree_1d(): references = [[ set([8, 9, 10, 11, 12, 13, 14, 15]), set([0, 1, 2, 3, 4, 5, 6, 7]) ], [set([14, 15]), set([0, 1])]] points = [Point(0.52), Point(0.9)] for i, point in enumerate(points): mesh_A = UnitIntervalMesh(MPI.comm_world, 16) mesh_B = UnitIntervalMesh(MPI.comm_world, 16) bgeom = mesh_B.geometry.points bgeom += point[0] tree_A = BoundingBoxTree(1) tree_A.build_mesh(mesh_A, 1) tree_B = BoundingBoxTree(1) tree_B.build_mesh(mesh_B, 1) entities_A, entities_B = tree_A.compute_collisions_bb(tree_B) assert set(entities_A) == references[i][0] assert set(entities_B) == references[i][1]
def test_compute_collisions_tree_2d(): references = [[ set([20, 21, 22, 23, 28, 29, 30, 31]), set([0, 1, 2, 3, 8, 9, 10, 11]) ], [set([6, 7]), set([24, 25])]] points = [Point(0.52, 0.51), Point(0.9, -0.9)] for i, point in enumerate(points): mesh_A = UnitSquareMesh(MPI.comm_world, 4, 4) mesh_B = UnitSquareMesh(MPI.comm_world, 4, 4) bgeom = mesh_B.geometry.points bgeom += point.array()[:2] tree_A = BoundingBoxTree(2) tree_A.build_mesh(mesh_A, 2) tree_B = BoundingBoxTree(2) tree_B.build_mesh(mesh_B, 2) entities_A, entities_B = tree_A.compute_collisions_bb(tree_B) assert set(entities_A) == references[i][0] assert set(entities_B) == references[i][1]