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 _lambert_conformal_conic(cf_params):
"""
http://cfconventions.org/cf-conventions/cf-conventions.html#_lambert_conformal
"""
first_parallel, second_parallel = _get_standard_parallels(
cf_params["standard_parallel"]
)
if second_parallel is not None:
return LambertConformalConic2SPConversion(
latitude_first_parallel=first_parallel,
latitude_second_parallel=second_parallel,
latitude_false_origin=cf_params.get("latitude_of_projection_origin", 0.0),
longitude_false_origin=cf_params.get("longitude_of_central_meridian", 0.0),
easting_false_origin=cf_params.get("false_easting", 0.0),
northing_false_origin=cf_params.get("false_northing", 0.0),
)
return LambertConformalConic1SPConversion(
latitude_natural_origin=first_parallel,
longitude_natural_origin=cf_params.get("longitude_of_central_meridian", 0.0),
false_easting=cf_params.get("false_easting", 0.0),
false_northing=cf_params.get("false_northing", 0.0),
)