Example #1
0
def get_triangle_1():
    """Returns about the simplest triangle grid possible."""
    nodes = [(0, 0), (2, 0), (1, 2), (3, 2)]

    faces = [(0, 1, 2), (1, 3, 2)]

    edges = [(0, 1), (1, 3), (3, 2), (2, 0)]
    return ugrid.ugrid(nodes, faces, edges)
Example #2
0
def get_triangle_1():
    """Returns about the simplest triangle grid possible."""
    nodes = [(0, 0),
             (2, 0),
             (1, 2),
             (3, 2)]

    faces = [(0, 1, 2),
             (1, 3, 2)]

    edges = [(0, 1),
             (1, 3),
             (3, 2),
             (2, 0)]
    return ugrid.ugrid(nodes, faces, edges)
Example #3
0
def get_triangle_2():
    """
    Returns set up a basic triangle grid with a hole and a "tail"."""
    nodes = [
        (5, 1),
        (10, 1),
        (3, 3),
        (7, 3),
        (9, 4),
        (12, 4),
        (5, 5),
        (3, 7),
        (5, 7),
        (7, 7),
        (9, 7),
        (11, 7),
        (5, 9),
        (8, 9),
        (11, 9),
        (9, 11),
        (11, 11),
        (7, 13),
        (9, 13),
        (7, 15),
    ]

    faces = [(0, 1, 3), (0, 2, 6), (0, 3, 6), (1, 3, 4), (1, 4, 5), (2, 6, 7),
             (6, 7, 8), (7, 8, 12), (6, 8, 9), (8, 9, 12), (9, 12, 13),
             (4, 5, 11), (4, 10, 11), (9, 10, 13), (10, 11, 14), (10, 13, 14),
             (13, 14, 15), (14, 15, 16), (15, 16, 18), (15, 17, 18),
             (17, 18, 19)]

    edges = [(0, 1), (1, 5), (5, 11), (11, 14), (14, 16), (16, 18), (18, 19),
             (19, 17), (17, 15), (15, 13), (13, 12), (12, 7), (7, 2), (2, 0),
             (3, 4), (4, 10), (10, 9), (9, 6), (6, 3)]

    return ugrid.ugrid(nodes, faces, edges)
Example #4
0
def get_triangle_2():
    """
    rerturns set up a basic triangle grid with a hole and a "tail"
    """
    nodes = [(5,1),
             (10,1),
             (3,3),
             (7,3),
             (9,4),
             (12,4),
             (5,5),
             (3,7),
             (5,7),
             (7,7),
             (9,7),
             (11,7),
             (5,9),
             (8,9),
             (11,9),
             (9,11),
             (11,11),
             (7,13),
             (9,13),
             (7,15),
             ]
    
    faces = [(0,1,3),
             (0,2,6),
             (0,3,6),
             (1,3,4),
             (1,4,5),
             (2,6,7),
             (6,7,8),
             (7,8,12),
             (6,8,9),
             (8,9,12),
             (9,12,13),
             (4,5,11),
             (4,10,11),
             (9,10,13),
             (10,11,14),
             (10,13,14),
             (13,14,15),
             (14,15,16),
             (15,16,18),
             (15,17,18),
             (17,18,19),
             ]
    
    edges = [(0,1),
             (1,5),
             (5,11),
             (11,14),
             (14,16),
             (16,18),
             (18,19),
             (19,17),
             (17,15),
             (15,13),
             (13,12),
             (12,7),
             (7,2),
             (2,0),
             (3,4),
             (4,10),
             (10,9),
             (9,6),
             (6,3),
             ]

    return ugrid.ugrid(nodes, faces, edges)