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import pytest
from numpy.testing import assert_almost_equal
from pyproj.crs import GeographicCRS
from pyproj.crs.coordinate_operation import (
AlbersEqualAreaConversion,
AzimuthalEquidistantConversion,
EquidistantCylindricalConversion,
GeostationarySatelliteConversion,
HotineObliqueMercatorBConversion,
LambertAzimuthalEqualAreaConversion,
LambertConformalConic1SPConversion,
LambertConformalConic2SPConversion,
LambertCylindricalEqualAreaConversion,
LambertCylindricalEqualAreaScaleConversion,
MercatorAConversion,
MercatorBConversion,
OrthographicConversion,
PlateCarreeConversion,
PolarStereographicAConversion,
PolarStereographicBConversion,
PoleRotationNetCDFCFConversion,
RotatedLatitudeLongitudeConversion,
SinusoidalConversion,
StereographicConversion,
ToWGS84Transformation,
TransverseMercatorConversion,
UTMConversion,
VerticalPerspectiveConversion,
)
from pyproj.exceptions import CRSError
from test.conftest import PROJ_GTE_95
def _to_dict(operation):
param_dict = {}
for param in operation.params:
param_dict[param.name] = param.value
return param_dict
def test_albers_equal_area_operation__defaults():
aeaop = AlbersEqualAreaConversion(
latitude_first_parallel=1, latitude_second_parallel=2
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Albers Equal Area"
assert _to_dict(aeaop) == {
"Easting at false origin": 0.0,
"Latitude of 1st standard parallel": 1.0,
"Latitude of 2nd standard parallel": 2.0,
"Latitude of false origin": 0.0,
"Longitude of false origin": 0.0,
"Northing at false origin": 0.0,
}
def test_albers_equal_area_operation():
aeaop = AlbersEqualAreaConversion(
latitude_first_parallel=1,
latitude_second_parallel=2,
latitude_false_origin=3,
longitude_false_origin=4,
easting_false_origin=5,
northing_false_origin=6,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Albers Equal Area"
assert _to_dict(aeaop) == {
"Easting at false origin": 5.0,
"Latitude of 1st standard parallel": 1.0,
"Latitude of 2nd standard parallel": 2.0,
"Latitude of false origin": 3.0,
"Longitude of false origin": 4.0,
"Northing at false origin": 6.0,
}
def test_azimuthal_equidistant_operation__defaults():
aeop = AzimuthalEquidistantConversion()
assert aeop.name == "unknown"
assert aeop.method_name == "Modified Azimuthal Equidistant"
assert _to_dict(aeop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_azimuthal_equidistant_operation():
aeop = AzimuthalEquidistantConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert aeop.name == "unknown"
assert aeop.method_name == "Modified Azimuthal Equidistant"
assert _to_dict(aeop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_geostationary_operation__defaults():
geop = GeostationarySatelliteConversion(sweep_angle_axis="x", satellite_height=10)
assert geop.name == "unknown"
assert geop.method_name == "Geostationary Satellite (Sweep X)"
assert _to_dict(geop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Satellite height": 10.0,
}
def test_geostationary_operation():
with pytest.warns(UserWarning):
geop = GeostationarySatelliteConversion(
sweep_angle_axis="y",
satellite_height=11,
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert geop.name == "unknown"
assert geop.method_name == "Geostationary Satellite (Sweep Y)"
assert _to_dict(geop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Satellite height": 11.0,
}
def test_geostationary_operation__invalid_sweep():
with pytest.raises(CRSError):
GeostationarySatelliteConversion(sweep_angle_axis="P", satellite_height=10)
def test_lambert_azimuthal_equal_area_operation__defaults():
aeop = LambertAzimuthalEqualAreaConversion()
assert aeop.name == "unknown"
assert aeop.method_name == "Lambert Azimuthal Equal Area"
assert _to_dict(aeop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_lambert_azimuthal_equal_area_operation():
aeop = LambertAzimuthalEqualAreaConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert aeop.name == "unknown"
assert aeop.method_name == "Lambert Azimuthal Equal Area"
assert _to_dict(aeop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_lambert_conformat_conic_2sp_operation__defaults():
aeaop = LambertConformalConic2SPConversion(
latitude_first_parallel=1, latitude_second_parallel=2
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Lambert Conic Conformal (2SP)"
assert _to_dict(aeaop) == {
"Easting at false origin": 0.0,
"Latitude of 1st standard parallel": 1.0,
"Latitude of 2nd standard parallel": 2.0,
"Latitude of false origin": 0.0,
"Longitude of false origin": 0.0,
"Northing at false origin": 0.0,
}
def test_lambert_conformat_conic_2sp_operation():
aeaop = LambertConformalConic2SPConversion(
latitude_first_parallel=1,
latitude_second_parallel=2,
latitude_false_origin=3,
longitude_false_origin=4,
easting_false_origin=5,
northing_false_origin=6,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Lambert Conic Conformal (2SP)"
assert _to_dict(aeaop) == {
"Easting at false origin": 5.0,
"Latitude of 1st standard parallel": 1.0,
"Latitude of 2nd standard parallel": 2.0,
"Latitude of false origin": 3.0,
"Longitude of false origin": 4.0,
"Northing at false origin": 6.0,
}
def test_lambert_conformat_conic_1sp_operation__defaults():
aeaop = LambertConformalConic1SPConversion()
assert aeaop.name == "unknown"
assert aeaop.method_name == "Lambert Conic Conformal (1SP)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Scale factor at natural origin": 1.0,
}
def test_lambert_conformat_conic_1sp_operation():
aeaop = LambertConformalConic1SPConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Lambert Conic Conformal (1SP)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Scale factor at natural origin": 0.5,
}
def test_lambert_cylindrical_area_operation__defaults():
lceaop = LambertCylindricalEqualAreaConversion()
assert lceaop.name == "unknown"
assert lceaop.method_name == "Lambert Cylindrical Equal Area"
assert _to_dict(lceaop) == {
"Latitude of 1st standard parallel": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_lambert_cylindrical_equal_area_operation():
lceaop = LambertCylindricalEqualAreaConversion(
latitude_first_parallel=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert lceaop.name == "unknown"
assert lceaop.method_name == "Lambert Cylindrical Equal Area"
assert _to_dict(lceaop) == {
"Latitude of 1st standard parallel": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_mercator_a_operation__defaults():
aeaop = MercatorAConversion()
assert aeaop.name == "unknown"
assert aeaop.method_name == "Mercator (variant A)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Scale factor at natural origin": 1.0,
}
def test_mercator_a_operation():
aeaop = MercatorAConversion(
latitude_natural_origin=0,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Mercator (variant A)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Scale factor at natural origin": 0.5,
}
def test_mercator_a_operation__invalid_lat0():
with pytest.raises(CRSError):
MercatorAConversion(latitude_natural_origin=1)
def test_mercator_b_operation__defaults():
lceaop = MercatorBConversion()
assert lceaop.name == "unknown"
assert lceaop.method_name == "Mercator (variant B)"
assert _to_dict(lceaop) == {
"Latitude of 1st standard parallel": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_mercator_b_operation():
lceaop = MercatorBConversion(
latitude_first_parallel=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert lceaop.name == "unknown"
assert lceaop.method_name == "Mercator (variant B)"
assert _to_dict(lceaop) == {
"Latitude of 1st standard parallel": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_hotline_oblique_mercator_b_operation__defaults():
hop = HotineObliqueMercatorBConversion(
latitude_projection_centre=0,
longitude_projection_centre=0,
azimuth_projection_centre=0,
angle_from_rectified_to_skew_grid=0,
)
assert hop.name == "unknown"
assert hop.method_name == "Hotine Oblique Mercator (variant B)"
assert _to_dict(hop) == {
"Latitude of projection centre": 0.0,
"Longitude of projection centre": 0.0,
(
"Azimuth at projection centre" if PROJ_GTE_95 else "Azimuth of initial line"
): 0.0,
"Angle from Rectified to Skew Grid": 0.0,
(
"Scale factor at projection centre"
if PROJ_GTE_95
else "Scale factor on initial line"
): 1.0,
"Easting at projection centre": 0.0,
"Northing at projection centre": 0.0,
}
def test_hotline_oblique_mercator_b_operation():
hop = HotineObliqueMercatorBConversion(
latitude_projection_centre=1,
longitude_projection_centre=2,
azimuth_projection_centre=3,
angle_from_rectified_to_skew_grid=4,
scale_factor_projection_centre=0.5,
easting_projection_centre=6,
northing_projection_centre=7,
)
assert hop.name == "unknown"
assert hop.method_name == "Hotine Oblique Mercator (variant B)"
assert _to_dict(hop) == {
"Latitude of projection centre": 1.0,
"Longitude of projection centre": 2.0,
(
"Azimuth at projection centre" if PROJ_GTE_95 else "Azimuth of initial line"
): 3.0,
"Angle from Rectified to Skew Grid": 4.0,
(
"Scale factor at projection centre"
if PROJ_GTE_95
else "Scale factor on initial line"
): 0.5,
"Easting at projection centre": 6.0,
"Northing at projection centre": 7.0,
}
def test_hotline_oblique_mercator_b_operation__deprecated_kwargs():
with pytest.warns(FutureWarning):
hop = HotineObliqueMercatorBConversion(
latitude_projection_centre=1,
longitude_projection_centre=2,
azimuth_initial_line=3,
angle_from_rectified_to_skew_grid=4,
scale_factor_on_initial_line=0.5,
easting_projection_centre=6,
northing_projection_centre=7,
)
assert hop.name == "unknown"
assert hop.method_name == "Hotine Oblique Mercator (variant B)"
assert _to_dict(hop) == {
"Latitude of projection centre": 1.0,
"Longitude of projection centre": 2.0,
(
"Azimuth at projection centre" if PROJ_GTE_95 else "Azimuth of initial line"
): 3.0,
"Angle from Rectified to Skew Grid": 4.0,
(
"Scale factor at projection centre"
if PROJ_GTE_95
else "Scale factor on initial line"
): 0.5,
"Easting at projection centre": 6.0,
"Northing at projection centre": 7.0,
}
def test_hotline_oblique_mercator_b_operation__missing_azimuth():
with pytest.raises(ValueError):
HotineObliqueMercatorBConversion(
latitude_projection_centre=1,
longitude_projection_centre=2,
angle_from_rectified_to_skew_grid=4,
)
def test_hotline_oblique_mercator_b_operation__duplicate_azimuth():
with pytest.raises(ValueError):
HotineObliqueMercatorBConversion(
latitude_projection_centre=1,
longitude_projection_centre=2,
angle_from_rectified_to_skew_grid=4,
azimuth_initial_line=3,
azimuth_projection_centre=3,
)
def test_hotline_oblique_mercator_b_operation__duplicate_scale_factor():
with pytest.raises(ValueError):
HotineObliqueMercatorBConversion(
latitude_projection_centre=1,
longitude_projection_centre=2,
angle_from_rectified_to_skew_grid=4,
azimuth_projection_centre=3,
scale_factor_on_initial_line=0.5,
scale_factor_projection_centre=0.5,
)
def test_orthographic_operation__defaults():
aeop = OrthographicConversion()
assert aeop.name == "unknown"
assert aeop.method_name == "Orthographic"
assert _to_dict(aeop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_orthographic_operation():
aeop = OrthographicConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
)
assert aeop.name == "unknown"
assert aeop.method_name == "Orthographic"
assert _to_dict(aeop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_polar_stereographic_a_operation__defaults():
aeaop = PolarStereographicAConversion(90)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Polar Stereographic (variant A)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 90.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Scale factor at natural origin": 1.0,
}
def test_polar_stereographic_a_operation():
aeaop = PolarStereographicAConversion(
latitude_natural_origin=-90,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Polar Stereographic (variant A)"
assert _to_dict(aeaop) == {
"Latitude of natural origin": -90.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Scale factor at natural origin": 0.5,
}
def test_polar_stereographic_b_operation__defaults():
aeop = PolarStereographicBConversion()
assert aeop.name == "unknown"
assert aeop.method_name == "Polar Stereographic (variant B)"
assert _to_dict(aeop) == {
"Latitude of standard parallel": 0.0,
"Longitude of origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_polar_stereographic_b_operation():
aeop = PolarStereographicBConversion(
latitude_standard_parallel=1,
longitude_origin=2,
false_easting=3,
false_northing=4,
)
assert aeop.name == "unknown"
assert aeop.method_name == "Polar Stereographic (variant B)"
assert _to_dict(aeop) == {
"Latitude of standard parallel": 1.0,
"Longitude of origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_sinusoidal_operation__defaults():
aeop = SinusoidalConversion()
assert aeop.name == "unknown"
assert aeop.method_name == "Sinusoidal"
assert _to_dict(aeop) == {
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_sinusoidal_operation():
aeop = SinusoidalConversion(
longitude_natural_origin=2, false_easting=3, false_northing=4
)
assert aeop.name == "unknown"
assert aeop.method_name == "Sinusoidal"
assert _to_dict(aeop) == {
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_stereographic_operation__defaults():
aeaop = StereographicConversion()
assert aeaop.name == "unknown"
assert aeaop.method_name == "Stereographic"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Scale factor at natural origin": 1.0,
}
def test_stereographic_operation():
aeaop = StereographicConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Stereographic"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Scale factor at natural origin": 0.5,
}
def test_utm_operation__defaults():
aeop = UTMConversion(zone=2)
assert aeop.name == "UTM zone 2N"
assert aeop.method_name == "Transverse Mercator"
def test_utm_operation():
aeop = UTMConversion(zone=2, hemisphere="s")
assert aeop.name == "UTM zone 2S"
assert aeop.method_name == "Transverse Mercator"
def test_transverse_mercator_operation__defaults():
aeaop = TransverseMercatorConversion()
assert aeaop.name == "unknown"
assert aeaop.method_name == "Transverse Mercator"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
"Scale factor at natural origin": 1.0,
}
def test_transverse_mercator_operation():
aeaop = TransverseMercatorConversion(
latitude_natural_origin=1,
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Transverse Mercator"
assert _to_dict(aeaop) == {
"Latitude of natural origin": 1.0,
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
"Scale factor at natural origin": 0.5,
}
def test_vertical_perspective_operation__defaults():
aeaop = VerticalPerspectiveConversion(viewpoint_height=10)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Vertical Perspective"
assert _to_dict(aeaop) == {
"Latitude of topocentric origin": 0.0,
"Longitude of topocentric origin": 0.0,
"Ellipsoidal height of topocentric origin": 0.0,
"Viewpoint height": 10.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_vertical_perspective_operation():
aeaop = VerticalPerspectiveConversion(
viewpoint_height=10,
latitude_topocentric_origin=1,
longitude_topocentric_origin=2,
false_easting=3,
false_northing=4,
ellipsoidal_height_topocentric_origin=5,
)
assert aeaop.name == "unknown"
assert aeaop.method_name == "Vertical Perspective"
assert _to_dict(aeaop) == {
"Latitude of topocentric origin": 1.0,
"Longitude of topocentric origin": 2.0,
"Ellipsoidal height of topocentric origin": 5.0,
"Viewpoint height": 10.0,
"False easting": 3.0,
"False northing": 4.0,
}
def test_rotated_latitude_longitude_operation__defaults():
aeaop = RotatedLatitudeLongitudeConversion(o_lat_p=1, o_lon_p=2)
assert aeaop.name == "unknown"
assert aeaop.method_name == "PROJ ob_tran o_proj=longlat"
assert _to_dict(aeaop) == {"o_lat_p": 1.0, "o_lon_p": 2.0, "lon_0": 0.0}
def test_rotated_latitude_longitude_operation():
aeaop = RotatedLatitudeLongitudeConversion(o_lat_p=1, o_lon_p=2, lon_0=3)
assert aeaop.name == "unknown"
assert aeaop.method_name == "PROJ ob_tran o_proj=longlat"
assert _to_dict(aeaop) == {"o_lat_p": 1.0, "o_lon_p": 2.0, "lon_0": 3.0}
def test_pole_rotation_netcdf_cf_convention__defaults():
poleop = PoleRotationNetCDFCFConversion(
grid_north_pole_latitude=1, grid_north_pole_longitude=2
)
assert poleop.name == "Pole rotation (netCDF CF convention)"
assert poleop.method_name == "Pole rotation (netCDF CF convention)"
assert _to_dict(poleop) == {
"Grid north pole latitude (netCDF CF convention)": 1.0,
"Grid north pole longitude (netCDF CF convention)": 2.0,
"North pole grid longitude (netCDF CF convention)": 0.0,
}
def test_pole_rotation_netcdf_cf_convention():
poleop = PoleRotationNetCDFCFConversion(
grid_north_pole_latitude=1,
grid_north_pole_longitude=2,
north_pole_grid_longitude=10,
)
assert poleop.name == "Pole rotation (netCDF CF convention)"
assert poleop.method_name == "Pole rotation (netCDF CF convention)"
assert _to_dict(poleop) == {
"Grid north pole latitude (netCDF CF convention)": 1.0,
"Grid north pole longitude (netCDF CF convention)": 2.0,
"North pole grid longitude (netCDF CF convention)": 10.0,
}
def test_lambert_cylindrical_equal_area_scale_operation__defaults():
lceaop = LambertCylindricalEqualAreaScaleConversion()
assert lceaop.name == "unknown"
assert lceaop.method_name == "Lambert Cylindrical Equal Area"
assert _to_dict(lceaop) == {
"Latitude of 1st standard parallel": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
def test_lambert_cylindrical_equal_area_scale_operation():
lceaop = LambertCylindricalEqualAreaScaleConversion(
longitude_natural_origin=2,
false_easting=3,
false_northing=4,
scale_factor_natural_origin=0.999,
)
assert lceaop.name == "unknown"
assert lceaop.method_name == "Lambert Cylindrical Equal Area"
op_dict = _to_dict(lceaop)
assert_almost_equal(
op_dict.pop("Latitude of 1st standard parallel"), 2.57, decimal=2
)
assert op_dict == {
"Longitude of natural origin": 2.0,
"False easting": 3.0,
"False northing": 4.0,
}
@pytest.mark.parametrize(
"eqc_class", [EquidistantCylindricalConversion, PlateCarreeConversion]
)
def test_equidistant_cylindrical_conversion__defaults(eqc_class):
eqc = eqc_class()
assert eqc.name == "unknown"
assert eqc.method_name == "Equidistant Cylindrical"
assert _to_dict(eqc) == {
"Latitude of 1st standard parallel": 0.0,
"Latitude of natural origin": 0.0,
"Longitude of natural origin": 0.0,
"False easting": 0.0,
"False northing": 0.0,
}
@pytest.mark.parametrize(
"eqc_class", [EquidistantCylindricalConversion, PlateCarreeConversion]
)
def test_equidistant_cylindrical_conversion(eqc_class):
eqc = eqc_class(
latitude_first_parallel=1.0,
latitude_natural_origin=2.0,
longitude_natural_origin=3.0,
false_easting=4.0,
false_northing=5.0,
)
assert eqc.name == "unknown"
assert eqc.method_name == "Equidistant Cylindrical"
assert _to_dict(eqc) == {
"Latitude of 1st standard parallel": 1.0,
"Latitude of natural origin": 2.0,
"Longitude of natural origin": 3.0,
"False easting": 4.0,
"False northing": 5.0,
}
def test_towgs84_transformation():
transformation = ToWGS84Transformation(GeographicCRS(), 1, 2, 3, 4, 5, 6, 7)
assert transformation.towgs84 == [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0]
assert _to_dict(transformation) == {
"Scale difference": 7.0,
"X-axis rotation": 4.0,
"X-axis translation": 1.0,
"Y-axis rotation": 5.0,
"Y-axis translation": 2.0,
"Z-axis rotation": 6.0,
"Z-axis translation": 3.0,
}
def test_towgs84_transformation__defaults():
transformation = ToWGS84Transformation(GeographicCRS())
assert transformation.towgs84 == [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
assert _to_dict(transformation) == {
"Scale difference": 0.0,
"X-axis rotation": 0.0,
"X-axis translation": 0.0,
"Y-axis rotation": 0.0,
"Y-axis translation": 0.0,
"Z-axis rotation": 0.0,
"Z-axis translation": 0.0,
}
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