def test_triangle_decode_icosahedron():
geohash = _uut.Geohash(area_in_km_square=100 * 1000)
index = 2510
triangle = geohash.triangle(index=index, astype=_uut.AS_TYPE_TRIANGLE)
_tools.assert_true(
triangle.projected_on_sphere_contains(
_point.Point.from_latlng(lat=-87, lng=127)
)
)
_tools.assert_almost_equal(
geohash.decode(index=index),
triangle.center.to_unit()
)
index = 1689
triangle = geohash.triangle(index=index, astype=_uut.AS_TYPE_TRIANGLE)
_tools.assert_true(
triangle.projected_on_sphere_contains(
_point.Point.from_latlng(lat=17, lng=-42)
)
)
_tools.assert_almost_equal(
geohash.decode(index=index),
triangle.center.to_unit()
)
def test_bbox():
geohash = _uut.Geohash(area_in_km_square=100 * 1000)
index = 2595
triangle = geohash.triangle(index=index, astype=_uut.AS_TYPE_TRIANGLE)
bbox = geohash.bbox(index=index)
for point in triangle.points:
_tools.assert_greater_equal(
point.lat,
bbox['s']
)
_tools.assert_less_equal(
point.lat,
bbox['n']
)
_tools.assert_greater_equal(
point.lng,
bbox['w']
)
_tools.assert_less_equal(
point.lng,
bbox['e']
)
def main(google_maps_api_key):
geohash = _geohash.Geohash(area_in_km_square=1000 * 1000)
triangles = []
print(geohash.count_of_triangles)
for index in range(geohash.count_of_triangles):
triangle = geohash.triangle(index=index)
triangle.append(
triangle[0]) # google requires the triangle to be closed
triangles.append(triangle)
html_code = generate_html(google_maps_api_key=google_maps_api_key,
triangles=json.dumps(triangles))
with open('example_triangles_around_the_globe.html', 'w') as outfile:
outfile.write(html_code)
def test_encode_icosahedron():
geohash = _uut.Geohash(area_in_km_square=100 * 1000)
_tools.assert_equal(
geohash.encode(lat=0, lng=0),
4304
)
_tools.assert_equal(
geohash.encode(lat=45, lng=45),
909
)
_tools.assert_equal(
geohash.encode(lat=45, lng=90),
594
)
_tools.assert_equal(
geohash.encode(lat=45, lng=-90),
1362
)
_tools.assert_equal(
geohash.encode(lat=45, lng=270),
1362
)
_tools.assert_equal(
geohash.encode(lat=-87, lng=127),
2510
)
_tools.assert_equal(
geohash.encode(lat=17, lng=-42),
1689
)
def test_encode_tetrahedron():
geohash = _uut.Geohash(area_in_km_square=100 * 1000, sphere_approx=_uut.TETRAHEDRON)
_tools.assert_equal(
geohash.encode(lat=0, lng=0),
1350
)
_tools.assert_equal(
geohash.encode(lat=45, lng=45),
819
)
_tools.assert_equal(
geohash.encode(lat=45, lng=90),
1016
)
_tools.assert_equal(
geohash.encode(lat=45, lng=-90),
311
)
_tools.assert_equal(
geohash.encode(lat=45, lng=270),
311
)
_tools.assert_equal(
geohash.encode(lat=-87, lng=127),
2595
)
_tools.assert_equal(
geohash.encode(lat=17, lng=-42),
4884
)