def test_hex_range2(self):
hexagons = h3.hex_range('8928308280fffff', 2)
self.assertEqual(1 + 6 + 12, len(hexagons),
'got the expected number of hexagons for two rings')
expected_hexagons = [
'89283082813ffff',
'89283082817ffff',
'8928308281bffff',
'89283082863ffff',
'89283082823ffff',
'89283082873ffff',
'89283082877ffff',
'8928308287bffff',
'89283082833ffff',
'8928308282bffff',
'8928308283bffff',
'89283082857ffff',
'892830828abffff',
'89283082847ffff',
'89283082867ffff',
'89283082803ffff',
'89283082807ffff',
'8928308280bffff',
'8928308280fffff',
]
for hexagon in expected_hexagons:
self.assertIn(hexagon, hexagons, 'found an expected hexagon')
def occupied_neighbors(hex,
density_tgt,
density_max,
N,
hex_density,
method='siblings'):
"""
:param hex: hex to query
:param density_tgt: target density for hexs at this resolution
:param density_max: maximum density at this resolution
:param hex_density: dictionary of densities at each hex
:param N:
:param method: either siblings or neighbors
:return:
"""
# neigbhors = h3.hex_range(h, 1)
#neigbhors = h3.h3_to_children(h3.h3_to_parent(h, resolution - 1), resolution)
res = h3.h3_get_resolution(hex)
if method == 'siblings':
neighbors = h3.h3_to_children(h3.h3_to_parent(hex, res - 1), res)
elif method == 'neighbors':
neighbors = h3.hex_range(hex, 1)
neighbors_above_tgt = 0
for n in neighbors:
if n not in hex_density:
continue
if hex_density[n]['clipped'] >= density_tgt:
neighbors_above_tgt += 1
clip = min(density_max, density_tgt * max(1,
(neighbors_above_tgt - N + 1)))
return clip
def test_hex_range(self):
hexagons = h3.hex_range('8928308280fffff', 1)
self.assertEqual(
1 + 6, len(hexagons),
'got the expected number of hexagons for a single ring')
expected_hexagons = [
'8928308280fffff',
'8928308280bffff',
'89283082807ffff',
'89283082877ffff',
'89283082803ffff',
'89283082873ffff',
'8928308283bffff',
]
for hexagon in expected_hexagons:
self.assertIn(hexagon, hexagons, 'found an expected hexagon')
def test_hex_range_pentagon(self):
with pytest.raises(ValueError) as e_info:
h3.hex_range('821c07fffffffff', 1)
self.assertTrue(isinstance(e_info.value, ValueError))
