def from_epsg(cls, code):
"""Make a CRS from an EPSG code
Parameters
----------
code : int or str
An EPSG code. Strings will be converted to integers.
Notes
-----
The input code is not validated against an EPSG database.
Returns
-------
CRS
"""
obj = cls()
obj._crs = _CRS.from_epsg(code)
return obj
def from_epsg(cls, code):
"""Make a CRS from an EPSG code
Parameters
----------
code : int or str
An EPSG code. Strings will be converted to integers.
Notes
-----
The input code is not validated against an EPSG database.
Returns
-------
CRS
"""
obj = cls()
obj._crs = _CRS.from_epsg(code)
return obj
def test_equality():
"""CRS are or are not equal"""
_CRS.from_epsg(4326) == _CRS.from_proj4('+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs')
def test_from_epsg_error(code):
"""Raise exception with invalid EPSG code"""
with pytest.raises(ValueError):
assert _CRS.from_epsg(code)
def test_from_epsg():
"""Can create a CRS from EPSG code"""
crs = _CRS.from_epsg(4326)
assert crs.to_dict()['proj'] == 'longlat'
def test_linear_units():
"""CRS linear units can be had"""
assert _CRS.from_epsg(3857).linear_units == 'metre'
def test_equality():
"""CRS are or are not equal"""
_CRS.from_epsg(4326) == _CRS.from_proj4(
'+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs')
def test_from_epsg():
"""Can create a CRS from EPSG code"""
crs = _CRS.from_epsg(4326)
assert crs.to_dict()['proj'] == 'longlat'
def test_from_epsg_error(code):
"""Raise exception with invalid EPSG code"""
with pytest.raises(ValueError):
assert _CRS.from_epsg(code)
def test_linear_units():
"""CRS linear units can be had"""
assert _CRS.from_epsg(3857).linear_units == 'metre'
def test_to_wkt__version__warning_gdal2():
with pytest.warns(UserWarning):
_CRS.from_epsg(4326).to_wkt(version=WktVersion.WKT2_2019)
def test_to_wkt__version_invalid():
with pytest.raises(ValueError):
_CRS.from_epsg(4326).to_wkt(version="INVALID")
def test_to_wkt__env_version():
with Env(OSR_WKT_FORMAT="WKT2_2018"):
assert _CRS.from_epsg(4326).to_wkt().startswith('GEOGCRS["WGS 84",')
def test_to_wkt__version(version):
assert _CRS.from_epsg(4326).to_wkt(
version=version).startswith('GEOGCRS["WGS 84",')
