def test_faces_at_cell(): """Test faces that form cells.""" graph = DualRadialGraph((1, 4), sort=True) assert_array_equal( graph.links_at_patch, [[3, 0, 1], [4, 1, 2], [6, 5, 3], [7, 6, 4]] ) assert_array_equal(graph.faces_at_cell, [[2, 3, 1, 0]])
def test_corners_at_cell(): """Test corners of cells.""" graph = DualRadialGraph((1, 4)) assert_array_equal(graph.nodes_at_patch, [[2, 1, 0], [2, 0, 3], [4, 1, 2], [3, 4, 2]]) assert_array_equal(graph.corners_at_cell, [[3, 2, 0, 1]])
def test_faces_at_cell(): """Test faces that form cells.""" graph = DualRadialGraph((1, 4)) assert_array_equal( graph.links_at_patch, [[1, 3, 0], [4, 1, 2], [6, 5, 3], [4, 7, 6]] ) assert_array_equal(graph.faces_at_cell, [[2, 3, 1, 0]])
def test_cells_at_corner(): """Test areas of patches.""" graph = DualRadialGraph((1, 4)) assert_array_equal(graph.patches_at_node, [[0, 1, -1, -1], [0, 2, -1, -1], [0, 1, 2, 3], [1, 3, -1, -1], [2, 3, -1, -1]]) assert_array_equal(graph.cells_at_corner, [[0], [0], [0], [0]])
def test_faces_at_corner(): """Test faces around corners.""" graph = DualRadialGraph((1, 4)) assert_array_equal(graph.faces_at_corner, [[0, 1], [2, 0], [3, 1], [3, 2]]) assert_array_equal(graph.links_at_node, [[2, 1, 0, -1], [3, 5, 0, -1], [4, 6, 3, 1], [7, 4, 2, -1], [5, 6, 7, -1]])
def test_corners_at_face(): """Test corners at face tail and head.""" graph = DualRadialGraph((1, 4)) assert_array_equal(graph.corners_at_face, [[0, 1], [0, 2], [1, 3], [2, 3]]) assert_array_equal( graph.nodes_at_link, [[1, 0], [0, 2], [0, 3], [1, 2], [2, 3], [1, 4], [2, 4], [3, 4]])
def test_cells_at_face(): """Test cells on either side of faces.""" graph = DualRadialGraph((1, 4)) assert_array_equal( graph.patches_at_link, [[0, -1], [0, 1], [1, -1], [0, 2], [1, 3], [2, -1], [2, 3], [3, -1]]) assert_array_equal(graph.cells_at_face, [[0], [0], [0], [0]])
def test_face_dirs_at_corner(): """Test face directions at corners.""" graph = DualRadialGraph((1, 4)) assert_array_equal(graph.face_dirs_at_corner, [[-1, -1], [-1, 1], [-1, 1], [1, 1]]) assert_array_equal(graph.link_dirs_at_node, [[-1, -1, 1, 0], [-1, -1, -1, 0], [-1, -1, 1, 1], [-1, 1, 1, 0], [1, 1, 1, 0]])
def test_length_of_face_and_link(): """Test length of faces and links.""" ROOT_2 = np.sqrt(2.) graph = DualRadialGraph((1, 4)) assert_array_almost_equal(graph.length_of_link, [ROOT_2, 1., ROOT_2, 1., 1., ROOT_2, 1., ROOT_2]) assert_array_almost_equal(graph.length_of_face, [1., 1., 1., 1.])
def test_spacing_keyword(): """Test the spacing keyword for raster.""" graph = DualRadialGraph((1, 4), spacing=2.) assert_array_almost_equal( graph.xy_of_node, [[0., -2.], [-2., 0.], [0., 0.], [2., 0.], [0., 2.]]) assert_array_almost_equal(graph.xy_of_corner, [[-1., -1.], [1., -1.], [-1., 1.], [1., 1.]])
def test_cells_at_corner(): """Test areas of patches.""" graph = DualRadialGraph((1, 4), sort=True) assert_array_equal( graph.patches_at_node, [[1, 0, -1, -1], [2, 0, -1, -1], [3, 2, 0, 1], [3, 1, -1, -1], [2, 3, -1, -1]], ) assert_array_equal(graph.cells_at_corner, [[0], [0], [0], [0]])
def test_origin(): """Test the origin keyword for raster.""" graph = DualRadialGraph((1, 4), spacing=2., origin=(-1., 2)) assert_array_almost_equal( graph.xy_of_node, [[2., -3.], [0., -1.], [2., -1.], [4., -1.], [2., 1.]]) assert_array_almost_equal(graph.xy_of_corner, [[1., -2.], [3., -2.], [1., 0.], [3., 0.]])
def test_spacing(): """Test the spacing keyword for raster.""" graph = DualRadialGraph((1, 4)) assert_array_almost_equal( graph.xy_of_node, [[0., -1.], [-1., 0.], [0., 0.], [1., 0.], [0., 1.]]) assert_array_almost_equal( graph.xy_of_corner, [[-0.5, -0.5], [0.5, -0.5], [-0.5, 0.5], [0.5, 0.5]])
def test_create(): """Test creating a quad graph.""" graph = DualRadialGraph((1, 4)) assert_equal(graph.number_of_nodes, 5) assert_equal(graph.number_of_links, 8) assert_equal(graph.number_of_patches, 4) assert_equal(graph.number_of_corners, 4) assert_equal(graph.number_of_faces, 4) assert_equal(graph.number_of_cells, 1)
def test_create(): """Test creating a quad graph.""" graph = DualRadialGraph((1, 4)) assert graph.number_of_nodes == 5 assert graph.number_of_links == 8 assert graph.number_of_patches == 4 assert graph.number_of_corners == 4 assert graph.number_of_faces == 4 assert graph.number_of_cells == 1
def test_xy_of_center(): """Test the xy_of_center keyword for raster.""" graph = DualRadialGraph((1, 4), spacing=2.0, xy_of_center=(2.0, -1.0), sort=True) assert_array_almost_equal( graph.xy_of_node, [[2.0, -3.0], [0.0, -1.0], [2.0, -1.0], [4.0, -1.0], [2.0, 1.0]], ) assert_array_almost_equal( graph.xy_of_corner, [[1.0, -2.0], [3.0, -2.0], [1.0, 0.0], [3.0, 0.0]] )
def test_area_of_cell_and_patch(): """Test areas of cells patches.""" graph = DualRadialGraph((1, 4)) assert_array_almost_equal(graph.area_of_patch, [.5, .5, .5, .5]) assert_array_almost_equal(graph.area_of_cell, [1.])