def test_hashmap_geomcol_multipolygon_polygon(self):
data = {
"foo": {
"type": "GeometryCollection",
"geometries": [
{
"type": "MultiPolygon",
"coordinates": [
[
[[10, 20], [20, 0], [0, 0], [10, 20]],
[[3, 2], [10, 16], [17, 2], [3, 2]],
],
[[[6, 4], [14, 4], [10, 12], [6, 4]]],
],
},
{
"type": "Polygon",
"coordinates": [[[20, 0], [35, 5], [10, 20], [20, 0]]],
},
],
}
}
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
# print(topo)
self.assertEqual(
topo["objects"]["data"]["geometries"][0]["arcs"], [[[4, 0]], [[1]], [[2]]]
)
def test_albania_greece(self):
data = geopandas.read_file(geopandas.datasets.get_path("naturalearth_lowres"))
data = data[(data.name == "Albania") | (data.name == "Greece")]
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
self.assertEqual(len(topo["arcs"]), 3)
def test_benin_surrounding_countries(self):
data = geopandas.read_file(geopandas.datasets.get_path("naturalearth_lowres"))
data = data[
(data.name == "Togo")
| (data.name == "Benin")
| (data.name == "Burkina Faso")
]
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
self.assertEqual(len(topo["arcs"]), 6)
def test_shared_arcs_ordering_issues(self):
data = geopandas.read_file(geopandas.datasets.get_path("naturalearth_lowres"))
data = data[
(data.name == "Botswana")
| (data.name == "South Africa")
| (data.name == "Zimbabwe")
| (data.name == "Mozambique")
| (data.name == "Zambia")
]
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
self.assertEqual(len(topo["arcs"]), 18)
def test_geom_surrounding_many_geometries(self):
data = geopandas.read_file(geopandas.datasets.get_path("naturalearth_lowres"))
data = data[
(data.name == "Botswana")
| (data.name == "South Africa")
| (data.name == "Zimbabwe")
| (data.name == "Namibia")
| (data.name == "Zambia")
]
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
self.assertEqual(len(topo["arcs"]), 14)
def test_hashmap_backward_polygon(self):
data = {
"abc": {
"type": "Polygon",
"coordinates": [[[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]]],
},
"def": {
"type": "Polygon",
"coordinates": [[[1, 0], [2, 0], [2, 1], [1, 1], [1, 0]]],
},
}
topo = topojson.hashmap(
topojson.dedup(topojson.cut(topojson.join(topojson.extract(data))))
)
self.assertEqual(topo["objects"]["data"]["geometries"][0]["arcs"], [[-3, 0]])
self.assertEqual(topo["objects"]["data"]["geometries"][1]["arcs"], [[1, 2]])