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'PARAMETER["longitude_of_center",21.5],'
'PARAMETER["latitude_of_center",8.5],UNIT["Meter",1.0]]')
aeqd_sr = osr.SpatialReference()
aeqd_sr.ImportFromWkt(aeqd_proj)
p_grid = pyproj.Proj(aeqd_sr.ExportToProj4())
p_geo = pyproj.Proj(geo_sr.ExportToProj4())
# test locations in Africa
points = [(-31.627336, 30.306273),
(-14.589038, -43.880131),
(79.423313, -35.261658),
(23.456413, 10.457987)]
for i, pt in enumerate(points):
# from lat/lon to aeqd
aeqd_x, aeqd_y = pyproj.transform(p_geo, p_grid, pt[0], pt[1])
# from aeqd to lat/lon
lon, lat = pyproj.transform(p_grid, p_geo, aeqd_x, aeqd_y)
# print info
print("testing location {}:".format(i))
_info = " ({:f},{:f}) -> ({:f},{:f}) -> ({:f},{:f})"
print(_info.format(pt[0], pt[1], aeqd_x, aeqd_y, lon, lat))
print(" difference: ({:f},{:f})".format(lon - pt[0], lat - pt[1]))
nptest.assert_allclose(pt[0], lon)
nptest.assert_allclose(pt[1], lat)
def test_geometry_area_perimeter__linestring():
geod = Geod(ellps="WGS84")
assert_almost_equal(
geod.geometry_area_perimeter(LineString([Point(1, 2), Point(3, 4)])),
(0.0, 627176.7944251911),
decimal=2,
)
def test_geometry_area_perimeter__linestring__radians():
geod = Geod(ellps="WGS84")
assert_almost_equal(
geod.geometry_area_perimeter(
LineString(
[
Point(math.radians(1), math.radians(2)),
Point(math.radians(3), math.radians(4)),
]
),
radians=True,
),
(0.0, 627176.7944251911),
decimal=2,
)
def test_coordinate_operation_towgs84_three():
crs = CRS("+proj=latlong +ellps=GRS80 +towgs84=-199.87,74.79,246.62")
assert crs.coordinate_operation.towgs84 == [-199.87, 74.79, 246.62]
def test_is_geocentric__bound():
with pytest.warns(FutureWarning):
ccs = CRS("+init=epsg:4328 +towgs84=0,0,0")
assert ccs.is_geocentric
assert crs.to_dict() == {
"proj": "omerc",
"lat_0": 10,
"lonc": 15,
"alpha": 0.35,
"gamma": 0.35,
"k": 1,
"x_0": 0,
"y_0": 0,
"ellps": "WGS84",
"units": "m",
"no_defs": None,
"type": "crs",
}
# test CRS with input as lon_0 from the user
lon0crs_cf = CRS(
{
"proj": "omerc",
"lat_0": 10,
"lon_0": 15,
"alpha": 0.35,
"gamma": 0.35,
"k": 1,
"x_0": 0,
"y_0": 0,
"ellps": "WGS84",
"units": "m",
"no_defs": None,
"type": "crs",
}
).to_cf()
assert lon0crs_cf.pop("crs_wkt").startswith("PROJCRS[")
def test_to_cf_transverse_mercator():
crs = CRS(
proj="tmerc",
lat_0=0,
lon_0=15,
k=0.9996,
x_0=2520000,
y_0=0,
ellps="intl",
units="m",
towgs84="-122.74,-34.27,-22.83,-1.884,-3.400,-3.030,-15.62",
)
with pytest.warns(UserWarning):
cf_dict = crs.to_cf(errcheck=True)
towgs84_test = [-122.74, -34.27, -22.83, -1.884, -3.4, -3.03, -15.62]
assert cf_dict.pop("crs_wkt").startswith("BOUNDCRS[")
assert cf_dict == {
"grid_mapping_name": "transverse_mercator",
def test_init_from_wkt_invalid():
with pytest.raises(CRSError):
CRS("trash-54322")
with pytest.raises(CRSError):
CRS("")
def test_to_string__no_auth():
proj = CRS("+proj=latlong +ellps=GRS80 +towgs84=-199.87,74.79,246.62")
assert (
proj.to_string()
== "+proj=latlong +ellps=GRS80 +towgs84=-199.87,74.79,246.62 +type=crs"
)
def test_transformer__operations():
transformer = Transformer.from_crs(28356, 7856)
assert [op.name for op in transformer.operations] == [
"Inverse of Map Grid of Australia zone 56",
"GDA94 to GDA2020 (1)",
"Map Grid of Australia zone 56",
]