Python h3_indexes_are_neighbors Examples

Example #1

File: test_cells_and_edges.py Project: isaacbrodsky/h3-py

def test_validation_geo():
    h = '8a28308280fffff'  # invalid hex

    with pytest.raises(H3CellError):
        h3.h3_to_geo(h)

    with pytest.raises(H3ResolutionError):
        h3.geo_to_h3(0, 0, 17)

    with pytest.raises(H3CellError):
        h3.h3_to_geo_boundary(h)

    with pytest.raises(H3CellError):
        h3.h3_indexes_are_neighbors(h, h)

Example #2

File: test_cells_and_edges.py Project: isaacbrodsky/h3-py

def test_validation2():
    h = '8928308280fffff'

    with pytest.raises(H3ResolutionError):
        h3.h3_to_children(h, 17)

    assert not h3.h3_indexes_are_neighbors(h, h)

Example #3

File: test_cells_and_edges.py Project: isaacbrodsky/h3-py

def test_edge():
    h1 = '8928308280fffff'
    h2 = '89283082873ffff'

    assert not h3.h3_indexes_are_neighbors(h1, h1)
    assert h3.h3_indexes_are_neighbors(h1, h2)

    e = h3.get_h3_unidirectional_edge(h1, h2)

    assert e == '12928308280fffff'
    assert h3.h3_unidirectional_edge_is_valid(e)
    assert not h3.h3_is_valid(e)

    assert h3.get_origin_h3_index_from_unidirectional_edge(e) == h1
    assert h3.get_destination_h3_index_from_unidirectional_edge(e) == h2

    assert h3.get_h3_indexes_from_unidirectional_edge(e) == (h1, h2)

Example #4

def h3_get_neighbors(region, columns=None):
    if region.startswith('r_'):
        region = region[2:]
    return [x for x in np.unique(columns) if h3.h3_indexes_are_neighbors(region, x[2:])]

Example #5

def test_h3_indexes_are_neighbors():
    assert h3.h3_indexes_are_neighbors('8928308280fffff', '8928308280bffff')
    assert not h3.h3_indexes_are_neighbors('821c07fffffffff', '8928308280fffff')