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import pytest
from pyproj.crs import (
CRS,
BoundCRS,
CompoundCRS,
CustomConstructorCRS,
DerivedGeographicCRS,
GeocentricCRS,
GeographicCRS,
ProjectedCRS,
VerticalCRS,
)
from pyproj.crs.coordinate_operation import (
AlbersEqualAreaConversion,
LambertConformalConic2SPConversion,
RotatedLatitudeLongitudeConversion,
ToWGS84Transformation,
TransverseMercatorConversion,
UTMConversion,
)
from pyproj.crs.coordinate_system import Cartesian2DCS, Ellipsoidal3DCS, VerticalCS
from pyproj.crs.datum import CustomDatum
from pyproj.crs.enums import VerticalCSAxis
from pyproj.exceptions import CRSError
from test.conftest import assert_can_pickle
def assert_maker_inheritance_valid(new_crs, class_type):
assert isinstance(new_crs, class_type)
assert isinstance(new_crs.geodetic_crs, (type(None), CRS))
assert isinstance(new_crs.source_crs, (type(None), CRS))
assert isinstance(new_crs.target_crs, (type(None), CRS))
assert isinstance(new_crs.to_3d(), CRS)
for sub_crs in new_crs.sub_crs_list:
assert isinstance(sub_crs, CRS)
def test_make_projected_crs(tmp_path):
aeaop = AlbersEqualAreaConversion(0, 0)
pc = ProjectedCRS(conversion=aeaop, name="Albers")
assert pc.name == "Albers"
assert pc.type_name == "Projected CRS"
assert pc.coordinate_operation == aeaop
assert_can_pickle(pc, tmp_path)
def test_projected_crs__from_methods():
assert_maker_inheritance_valid(ProjectedCRS.from_epsg(6933), ProjectedCRS)
assert_maker_inheritance_valid(ProjectedCRS.from_string("EPSG:6933"), ProjectedCRS)
assert_maker_inheritance_valid(
ProjectedCRS.from_proj4("+proj=aea +lat_1=1"), ProjectedCRS
)
assert_maker_inheritance_valid(
ProjectedCRS.from_user_input(ProjectedCRS.from_string("EPSG:6933")),
ProjectedCRS,
)
assert_maker_inheritance_valid(
ProjectedCRS.from_json(CRS(6933).to_json()), ProjectedCRS
)
assert_maker_inheritance_valid(
ProjectedCRS.from_json_dict(CRS(6933).to_json_dict()), ProjectedCRS
)
with pytest.raises(CRSError, match="Invalid type"):
ProjectedCRS.from_epsg(4326)
def test_make_geographic_crs(tmp_path):
gc = GeographicCRS(name="WGS 84")
assert gc.name == "WGS 84"
assert gc.type_name == "Geographic 2D CRS"
assert gc.to_authority() == ("OGC", "CRS84")
assert_can_pickle(gc, tmp_path)
def test_geographic_crs__from_methods():
assert_maker_inheritance_valid(GeographicCRS.from_epsg(4326), GeographicCRS)
assert_maker_inheritance_valid(
GeographicCRS.from_string("EPSG:4326"), GeographicCRS
)
assert_maker_inheritance_valid(
GeographicCRS.from_proj4("+proj=latlon"), GeographicCRS
)
assert_maker_inheritance_valid(
GeographicCRS.from_user_input(GeographicCRS.from_string("EPSG:4326")),
GeographicCRS,
)
assert_maker_inheritance_valid(
GeographicCRS.from_json(CRS(4326).to_json()), GeographicCRS
)
assert_maker_inheritance_valid(
GeographicCRS.from_json_dict(CRS(4326).to_json_dict()), GeographicCRS
)
with pytest.raises(CRSError, match="Invalid type"):
GeographicCRS.from_epsg(6933)
def test_make_geographic_3d_crs():
gcrs = GeographicCRS(ellipsoidal_cs=Ellipsoidal3DCS())
assert gcrs.type_name == "Geographic 3D CRS"
assert gcrs.to_authority() == ("OGC", "CRS84h")
def test_make_derived_geographic_crs(tmp_path):
conversion = RotatedLatitudeLongitudeConversion(o_lat_p=0, o_lon_p=0)
dgc = DerivedGeographicCRS(base_crs=GeographicCRS(), conversion=conversion)
assert dgc.name == "undefined"
assert dgc.type_name == "Derived Geographic 2D CRS"
assert dgc.coordinate_operation == conversion
assert dgc.is_derived
assert_can_pickle(dgc, tmp_path)
def test_derived_geographic_crs__from_methods():
crs_str = "+proj=ob_tran +o_proj=longlat +o_lat_p=0 +o_lon_p=0 +lon_0=0"
with pytest.raises(CRSError, match="Invalid type Geographic 2D CRS"):
DerivedGeographicCRS.from_epsg(4326)
assert_maker_inheritance_valid(
DerivedGeographicCRS.from_string(crs_str), DerivedGeographicCRS
)
assert_maker_inheritance_valid(
DerivedGeographicCRS.from_proj4(crs_str), DerivedGeographicCRS
)
assert_maker_inheritance_valid(
DerivedGeographicCRS.from_user_input(DerivedGeographicCRS.from_string(crs_str)),
DerivedGeographicCRS,
)
assert_maker_inheritance_valid(
DerivedGeographicCRS.from_json(CRS(crs_str).to_json()), DerivedGeographicCRS
)
assert_maker_inheritance_valid(
DerivedGeographicCRS.from_json_dict(CRS(crs_str).to_json_dict()),
DerivedGeographicCRS,
)
def test_make_geocentric_crs(tmp_path):
gc = GeocentricCRS(name="WGS 84")
assert gc.name == "WGS 84"
assert gc.is_geocentric
assert gc.type_name == "Geocentric CRS"
assert gc.to_authority() == ("EPSG", "4978")
assert_can_pickle(gc, tmp_path)
def test_geocentric_crs__from_methods():
assert_maker_inheritance_valid(GeocentricCRS.from_epsg(4978), GeocentricCRS)
assert_maker_inheritance_valid(
GeocentricCRS.from_string("EPSG:4978"), GeocentricCRS
)
assert_maker_inheritance_valid(
GeocentricCRS.from_proj4("+proj=geocent"), GeocentricCRS
)
assert_maker_inheritance_valid(
GeocentricCRS.from_user_input(GeocentricCRS.from_string("EPSG:4978")),
GeocentricCRS,
)
assert_maker_inheritance_valid(
GeocentricCRS.from_json(CRS(4978).to_json()), GeocentricCRS
)
assert_maker_inheritance_valid(
GeocentricCRS.from_json_dict(CRS(4978).to_json_dict()), GeocentricCRS
)
with pytest.raises(CRSError, match="Invalid type"):
GeocentricCRS.from_epsg(6933)
def test_vertical_crs(tmp_path):
vc = VerticalCRS(
name="NAVD88 height",
datum="North American Vertical Datum 1988",
geoid_model="GEOID12B",
)
assert vc.name == "NAVD88 height"
assert vc.type_name == "Vertical CRS"
assert vc.coordinate_system == VerticalCS()
assert vc.to_json_dict()["geoid_model"]["name"] == "GEOID12B"
assert_can_pickle(vc, tmp_path)
def test_vertical_crs__from_methods():
assert_maker_inheritance_valid(VerticalCRS.from_epsg(5703), VerticalCRS)
assert_maker_inheritance_valid(VerticalCRS.from_string("EPSG:5703"), VerticalCRS)
with pytest.raises(CRSError, match="Invalid type"):
VerticalCRS.from_proj4("+proj=latlon")
assert_maker_inheritance_valid(
VerticalCRS.from_user_input(VerticalCRS.from_string("EPSG:5703")), VerticalCRS
)
assert_maker_inheritance_valid(
VerticalCRS.from_json(CRS(5703).to_json()), VerticalCRS
)
assert_maker_inheritance_valid(
VerticalCRS.from_json_dict(CRS(5703).to_json_dict()), VerticalCRS
)
@pytest.mark.parametrize(
"axis",
[
VerticalCSAxis.UP,
VerticalCSAxis.UP_FT,
VerticalCSAxis.DEPTH,
VerticalCSAxis.DEPTH_FT,
VerticalCSAxis.GRAVITY_HEIGHT_FT,
],
)
def test_vertical_crs__chance_cs_axis(axis):
vc = VerticalCRS(
name="NAVD88 height",
datum="North American Vertical Datum 1988",
vertical_cs=VerticalCS(axis=axis),
)
assert vc.name == "NAVD88 height"
assert vc.type_name == "Vertical CRS"
assert vc.coordinate_system == VerticalCS(axis=axis)
def test_compund_crs(tmp_path):
vertcrs = VerticalCRS(
name="NAVD88 height",
datum="North American Vertical Datum 1988",
vertical_cs=VerticalCS(),
geoid_model="GEOID12B",
)
projcrs = ProjectedCRS(
name="NAD83 / Pennsylvania South",
conversion=LambertConformalConic2SPConversion(
latitude_false_origin=39.3333333333333,
longitude_false_origin=-77.75,
latitude_first_parallel=40.9666666666667,
latitude_second_parallel=39.9333333333333,
easting_false_origin=600000,
northing_false_origin=0,
),
geodetic_crs=GeographicCRS(datum="North American Datum 1983"),
cartesian_cs=Cartesian2DCS(),
)
compcrs = CompoundCRS(
name="NAD83 / Pennsylvania South + NAVD88 height", components=[projcrs, vertcrs]
)
assert compcrs.name == "NAD83 / Pennsylvania South + NAVD88 height"
assert compcrs.type_name == "Compound CRS"
assert compcrs.sub_crs_list[0].type_name == "Projected CRS"
assert compcrs.sub_crs_list[1].type_name == "Vertical CRS"
assert_can_pickle(compcrs, tmp_path)
def test_compund_crs__from_methods():
crs = CompoundCRS.from_string("EPSG:4326+5773")
with pytest.raises(CRSError, match="Invalid type"):
CompoundCRS.from_epsg(4326)
assert_maker_inheritance_valid(crs, CompoundCRS)
with pytest.raises(CRSError, match="Invalid type"):
CompoundCRS.from_proj4("+proj=longlat +datum=WGS84 +vunits=m")
assert_maker_inheritance_valid(CompoundCRS.from_user_input(crs), CompoundCRS)
assert_maker_inheritance_valid(CompoundCRS.from_json(crs.to_json()), CompoundCRS)
assert_maker_inheritance_valid(
CompoundCRS.from_json_dict(crs.to_json_dict()), CompoundCRS
)
def test_bound_crs(tmp_path):
proj_crs = ProjectedCRS(conversion=UTMConversion(12))
bound_crs = BoundCRS(
source_crs=proj_crs,
target_crs="WGS 84",
transformation=ToWGS84Transformation(
proj_crs.geodetic_crs, 1, 2, 3, 4, 5, 6, 7
),
)
assert bound_crs.type_name == "Bound CRS"
assert bound_crs.source_crs.coordinate_operation.name == "UTM zone 12N"
assert bound_crs.coordinate_operation.towgs84 == [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0]
assert bound_crs.target_crs.name == "WGS 84"
assert_can_pickle(bound_crs, tmp_path)
def test_bound_crs__example():
proj_crs = ProjectedCRS(
conversion=TransverseMercatorConversion(
latitude_natural_origin=0,
longitude_natural_origin=15,
false_easting=2520000,
false_northing=0,
scale_factor_natural_origin=0.9996,
),
geodetic_crs=GeographicCRS(
datum=CustomDatum(ellipsoid="International 1924 (Hayford 1909, 1910)")
),
)
bound_crs = BoundCRS(
source_crs=proj_crs,
target_crs="WGS 84",
transformation=ToWGS84Transformation(
proj_crs.geodetic_crs, -122.74, -34.27, -22.83, -1.884, -3.4, -3.03, -15.62
),
)
with pytest.warns(UserWarning):
assert bound_crs.to_dict() == {
"ellps": "intl",
"k": 0.9996,
"lat_0": 0,
"lon_0": 15,
"no_defs": None,
"proj": "tmerc",
"towgs84": [-122.74, -34.27, -22.83, -1.884, -3.4, -3.03, -15.62],
"type": "crs",
"units": "m",
"x_0": 2520000,
"y_0": 0,
}
def test_bound_crs_crs__from_methods():
crs_str = "+proj=latlon +towgs84=0,0,0"
with pytest.raises(CRSError, match="Invalid type"):
BoundCRS.from_epsg(4326)
assert_maker_inheritance_valid(BoundCRS.from_string(crs_str), BoundCRS)
assert_maker_inheritance_valid(BoundCRS.from_proj4(crs_str), BoundCRS)
assert_maker_inheritance_valid(
BoundCRS.from_user_input(BoundCRS.from_string(crs_str)), BoundCRS
)
assert_maker_inheritance_valid(BoundCRS.from_json(CRS(crs_str).to_json()), BoundCRS)
assert_maker_inheritance_valid(
BoundCRS.from_json_dict(CRS(crs_str).to_json_dict()), BoundCRS
)
def test_custom_constructor_crs__not_implemented():
class MyCustomInit(CustomConstructorCRS):
def __init__(self, *, name: str):
super().__init__(name)
with pytest.raises(NotImplementedError):
MyCustomInit.from_epsg(4326)
def test_custom_constructor_crs():
class MyCustomInit(CustomConstructorCRS):
_expected_types = ("Geographic 2D CRS",)
def __init__(self, *, name: str):
super().__init__(name)
assert isinstance(MyCustomInit.from_epsg(4326), MyCustomInit)
|
