CRS

pyproj.CRS

class pyproj.crs.CRS(projparams=None, **kwargs)[source]

A pythonic Coordinate Reference System manager.

The functionality is based on other fantastic projects:

srs

The string form of the user input used to create the CRS.

Type

str

name

The name of the CRS (from proj_get_name).

Type

str

type_name

The name of the type of the CRS object.

Type

str

__init__(projparams=None, **kwargs)[source]
Initialize a CRS class instance with:
  • PROJ string

  • Dictionary of PROJ parameters

  • PROJ keyword arguments for parameters

  • JSON string with PROJ parameters

  • CRS WKT string

  • An authority string [i.e. ‘epsg:4326’]

  • An EPSG integer code [i.e. 4326]

  • A tuple of (“auth_name”: “auth_code”) [i.e (‘epsg’, ‘4326’)]

  • An object with a to_wkt method.

  • A CRS

Example usage:

>>> from pyproj import CRS
>>> crs_utm = CRS.from_user_input(26915)
>>> crs_utm
<Projected CRS: EPSG:26915>
Name: NAD83 / UTM zone 15N
Axis Info [cartesian]:
- E[east]: Easting (metre)
- N[north]: Northing (metre)
Area of Use:
- name: North America - 96°W to 90°W and NAD83 by country
- bounds: (-96.0, 25.61, -90.0, 84.0)
Coordinate Operation:
- name: UTM zone 15N
- method: Transverse Mercator
Datum: North American Datum 1983
- Ellipsoid: GRS 1980
- Prime Meridian: Greenwich
<BLANKLINE>
>>> crs_utm.area_of_use.bounds
(-96.0, 25.61, -90.0, 84.0)
>>> crs_utm.ellipsoid
ELLIPSOID["GRS 1980",6378137,298.257222101,
    LENGTHUNIT["metre",1],
    ID["EPSG",7019]]
>>> crs_utm.ellipsoid.inverse_flattening
298.257222101
>>> crs_utm.ellipsoid.semi_major_metre
6378137.0
>>> crs_utm.ellipsoid.semi_minor_metre
6356752.314140356
>>> crs_utm.prime_meridian
PRIMEM["Greenwich",0,
    ANGLEUNIT["degree",0.0174532925199433],
    ID["EPSG",8901]]
>>> crs_utm.prime_meridian.unit_name
'degree'
>>> crs_utm.prime_meridian.unit_conversion_factor
0.017453292519943295
>>> crs_utm.prime_meridian.longitude
0.0
>>> crs_utm.datum
DATUM["North American Datum 1983",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6269]]
>>> crs_utm.coordinate_system
CS[Cartesian,2],
    AXIS["(E)",east,
        ORDER[1],
        LENGTHUNIT["metre",1,
            ID["EPSG",9001]]],
    AXIS["(N)",north,
        ORDER[2],
        LENGTHUNIT["metre",1,
            ID["EPSG",9001]]]
>>> crs_utm.coordinate_operation
CONVERSION["UTM zone 15N",
    METHOD["Transverse Mercator",
        ID["EPSG",9807]],
    PARAMETER["Latitude of natural origin",0,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-93,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",0.9996,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",500000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",0,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",16015]]
>>> crs = CRS(proj='utm', zone=10, ellps='WGS84')
>>> crs.to_proj4()
'+proj=utm +zone=10 +ellps=WGS84 +units=m +no_defs +type=crs'
>>> crs.to_wkt()
'PROJCRS["unknown",BASEGEOGCRS["unknown",DATUM["Unknown based on WGS84 ellipsoid",ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1],ID["EPSG",7030]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8901]]],CONVERSION["UTM zone 10N",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-123,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9996,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]],ID["EPSG",16010]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1,ID["EPSG",9001]]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1,ID["EPSG",9001]]]]'
>>> geod = crs.get_geod()
>>> "+a={:.0f} +f={:.8f}".format(geod.a, geod.f)
'+a=6378137 +f=0.00335281'
>>> crs.is_projected
True
>>> crs.is_geographic
False
area_of_use

returns: AreaOfUse :rtype: The area of use object with associated attributes.

axis_info

returns: list[Axis] :rtype: The list of axis information.

coordinate_operation

returns: CoordinateOperation :rtype: The coordinate operation.

coordinate_system

returns: CoordinateSystem :rtype: The coordinate system.

datum

returns: Datum :rtype: The datum.

ellipsoid

returns: Ellipsoid :rtype: The ellipsoid object with associated attributes.

classmethod from_authority(auth_name, code)[source]

Make a CRS from an authority name and authority code

Parameters
  • auth_name (str) – The name of the authority.

  • code (int or str) – The code used by the authority.

Returns

Return type

CRS

static from_cf(in_cf, errcheck=False)[source]

This converts a Climate and Forecast (CF) Grid Mapping Version 1.8 dict to a CRS object.

Warning

Parameters may be lost if a mapping from the CF parameter is not found. For best results store the WKT of the projection in the crs_wkt attribute.

Parameters
  • in_cf (dict) – CF version of the projection.

  • errcheck (bool, optional) – If True, will warn when parameters are ignored. Defaults to False.

Returns

Return type

CRS

classmethod from_dict(proj_dict)[source]

Make a CRS from a dictionary of PROJ parameters.

Parameters

proj_dict (str) – PROJ params in dict format.

Returns

Return type

CRS

classmethod from_epsg(code)[source]

Make a CRS from an EPSG code

Parameters

code (int or str) – An EPSG code.

Returns

Return type

CRS

classmethod from_proj4(in_proj_string)[source]

Make a CRS from a PROJ string

Parameters

in_proj_string (str) – A PROJ string.

Returns

Return type

CRS

classmethod from_string(in_crs_string)[source]

Make a CRS from:

Initialize a CRS class instance with:
  • PROJ string

  • JSON string with PROJ parameters

  • CRS WKT string

  • An authority string [i.e. ‘epsg:4326’]

Parameters

in_crs_string (str) – An EPSG, PROJ, or WKT string.

Returns

Return type

CRS

classmethod from_user_input(value)[source]
Initialize a CRS class instance with:
  • PROJ string

  • Dictionary of PROJ parameters

  • PROJ keyword arguments for parameters

  • JSON string with PROJ parameters

  • CRS WKT string

  • An authority string [i.e. ‘epsg:4326’]

  • An EPSG integer code [i.e. 4326]

  • A tuple of (“auth_name”: “auth_code”) [i.e (‘epsg’, ‘4326’)]

  • An object with a to_wkt method.

  • A CRS

Parameters

value (obj) – A Python int, dict, or str.

Returns

Return type

CRS

classmethod from_wkt(in_wkt_string)[source]

Make a CRS from a WKT string

Parameters

in_wkt_string (str) – A WKT string.

Returns

Return type

CRS

geodetic_crs

returns: pyproj.CRS :rtype: The the geodeticCRS / geographicCRS from the CRS.

get_geod()[source]
Returns

pyproj.geod.Geod

Return type

Geod object based on the ellipsoid.

is_bound

returns: bool :rtype: True if CRS is bound.

is_engineering

returns: bool :rtype: True if CRS is local/engineering.

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

is_geocentric

This checks if the CRS is geocentric and takes into account if the CRS is bound.

Returns

bool

Return type

True if CRS is in geocentric (x/y) coordinates.

is_geographic

This checks if the CRS is geographic. It will check if it has a geographic CRS in the sub CRS if it is a compount CRS and will check if the source CRS is geographic if it is a bound CRS.

Returns

bool

Return type

True if the CRS is in geographic (lon/lat) coordinates.

is_projected

This checks if the CRS is projected. It will check if it has a projected CRS in the sub CRS if it is a compount CRS and will check if the source CRS is projected if it is a bound CRS.

Returns

bool

Return type

True if CRS is projected.

is_valid

returns: bool :rtype: True if CRS is valid.

is_vertical

This checks if the CRS is vertical. It will check if it has a vertical CRS in the sub CRS if it is a compount CRS and will check if the source CRS is vertical if it is a bound CRS.

Returns

bool

Return type

True if CRS is vertical.

name

object

Type

name

prime_meridian

returns: PrimeMeridian :rtype: The CRS prime meridian object with associated attributes.

source_crs

returns: CRS – or the source CRS of a CoordinateOperation. :rtype: The the base CRS of a BoundCRS or a DerivedCRS/ProjectedCRS,

srs

object

Type

srs

sub_crs_list

If the CRS is a compound CRS, it will return a list of sub CRS objects.

Returns

Return type

list[CRS]

target_crs

returns: CRS :rtype: The hub CRS of a BoundCRS or the target CRS of a CoordinateOperation.

to_authority(self, auth_name=None, min_confidence=70)

Return the authority name and code best matching the CRS or None if it a match is not found.

Example:

>>> from pyproj import CRS
>>> ccs = CRS("epsg:4328")
>>> ccs.to_authority()
('EPSG', '4328')

If the CRS is bound, you can get an authority from the source CRS:

>>> from pyproj import CRS
>>> ccs = CRS("+init=epsg:4328 +towgs84=0,0,0")
>>> ccs.to_authority()
>>> ccs.source_crs.to_authority()
('EPSG', '4978')
>>> ccs == CRS.from_authorty('EPSG', '4978')
False
Parameters
  • auth_name (str, optional) – The name of the authority to filter by.

  • min_confidence (int, optional) – A value between 0-100 where 100 is the most confident. Default is 70.

Returns

tuple(str, str) or None – matching the confidence level.

Return type

The best matching (<auth_name>, <code>)

to_cf(wkt_version='WKT2_2018', errcheck=False)[source]

This converts a CRS object to a Climate and Forecast (CF) Grid Mapping Version 1.8 dict.

Warning

The full projection will be stored in the crs_wkt attribute. However, other parameters may be lost if a mapping to the CF parameter is not found.

Parameters
  • wkt_version (str) – Version of WKT supported by ~CRS.to_wkt.

  • errcheck (bool, optional) – If True, will warn when parameters are ignored. Defaults to False.

Returns

dict

Return type

CF-1.8 version of the projection.

to_dict()[source]

Converts the CRS to dictionary of PROJ parameters.

Warning

You will likely lose important projection information when converting to a PROJ string from another format. See: https://proj.org/faq.html#what-is-the-best-format-for-describing-coordinate-reference-systems

Returns

dict

Return type

PROJ params in dict format.

to_epsg(self, min_confidence=70)

Return the EPSG code best matching the CRS or None if it a match is not found.

Example:

>>> from pyproj import CRS
>>> ccs = CRS("epsg:4328")
>>> ccs.to_epsg()
4328

If the CRS is bound, you can attempt to get an epsg code from the source CRS:

>>> from pyproj import CRS
>>> ccs = CRS("+init=epsg:4328 +towgs84=0,0,0")
>>> ccs.to_epsg()
>>> ccs.source_crs.to_epsg()
4978
>>> ccs == CRS.from_epsg(4978)
False
Parameters

min_confidence (int, optional) – A value between 0-100 where 100 is the most confident. Default is 70.

Returns

int or None

Return type

The best matching EPSG code matching the confidence level.

to_geodetic(self)

Note

This is replaced with CRS.geodetic_crs

Returns

pyproj.CRS

Return type

The geodetic CRS from this CRS.

to_proj4(self, version=ProjVersion.PROJ_4)

Convert the projection to a PROJ string.

Warning

You will likely lose important projection information when converting to a PROJ string from another format. See: https://proj.org/faq.html#what-is-the-best-format-for-describing-coordinate-reference-systems

Parameters

version (ProjVersion) – The version of the PROJ string output. Default is PROJ_4.

Returns

str

Return type

The PROJ string.

to_string()[source]

Convert the CRS to a string.

It attempts to convert it to the authority string. Otherwise, it uses the string format of the user input to create the CRS.

Returns

str

Return type

String representation of the CRS.

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

type_name

object

Type

type_name

pyproj.crs.is_wkt

pyproj.crs.is_wkt(proj_string)

Check if the input projection string is in the Well-Known Text format.

Parameters

proj_string (str) – The projection string.

Returns

bool

Return type

True if the string is in the Well-Known Text format

Area Of Use

class pyproj._crs.AreaOfUse

Area of Use for CRS

west

West bound of area of use.

Type

float

south

South bound of area of use.

Type

float

east

East bound of area of use.

Type

float

north

North bound of area of use.

Type

float

name

Name of area of use.

Type

str

east

‘double’

Type

east

name

object

Type

name

north

‘double’

Type

north

south

‘double’

Type

south

west

‘double’

Type

west

Coordinate System

class pyproj._crs.CoordinateSystem

Coordinate System for CRS

name

The name of the coordinate system.

Type

str

axis_list

returns: list[Axis] :rtype: The Axis list for the coordinate system.

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

name

object

Type

name

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

class pyproj._crs.Axis

Coordinate System Axis

name
Type

str

abbrev
Type

str

direction
Type

str

unit_conversion_factor
Type

float

unit_name
Type

str

unit_auth_code
Type

str

unit_code
Type

str

abbrev

object

Type

abbrev

direction

object

Type

direction

name

object

Type

name

unit_auth_code

object

Type

unit_auth_code

unit_code

object

Type

unit_code

unit_conversion_factor

‘double’

Type

unit_conversion_factor

unit_name

object

Type

unit_name

Coordinate Operation

class pyproj.crs.CoordinateOperation

Coordinate operation for CRS.

name

The name of the method(projection) with authority information.

Type

str

method_name

The method (projection) name.

Type

str

method_auth_name

The method authority name.

Type

str

method_code

The method code.

Type

str

is_instantiable

If 1, a coordinate operation can be instantiated as a PROJ pipeline. This also checks that referenced grids are available.

Type

int

has_ballpark_transformation

If 1, the coordinate operation has a “ballpark” transformation, that is a very approximate one, due to lack of more accurate transformations.

Type

int

accuracy

The accuracy (in metre) of a coordinate operation.

Type

float

accuracy

‘double’

Type

accuracy

static from_authority(auth_name, code, use_proj_alternative_grid_names=False)

Create a CoordinateOperation from an authority code.

Parameters
  • auth_name (str) – Name ot the authority.

  • code (str or int) – The code used by the authority.

  • use_proj_alternative_grid_names (bool, optional) – Use the PROJ alternative grid names. Default is False.

Returns

Return type

CoordinateOperation

static from_epsg(code, use_proj_alternative_grid_names=False)

Create a CoordinateOperation from an EPSG code.

Parameters
  • code (str or int) – The code used by EPSG.

  • use_proj_alternative_grid_names (bool, optional) – Use the PROJ alternative grid names. Default is False.

Returns

Return type

CoordinateOperation

static from_string(coordinate_operation_string)

Create a CoordinateOperation from a string.

Example

Parameters

coordinate_operation_string (str) – Coordinate operation string.

Returns

Return type

CoordinateOperation

grids

returns: list[Grid] :rtype: The coordinate operation grids.

has_ballpark_transformation

object

Type

has_ballpark_transformation

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

is_instantiable

object

Type

is_instantiable

method_auth_name

object

Type

method_auth_name

method_code

object

Type

method_code

method_name

object

Type

method_name

name

object

Type

name

params

returns: list[Param] :rtype: The coordinate operation parameters.

to_proj4(self, version=ProjVersion.PROJ_5)

Convert the projection to a PROJ string.

Parameters

version (ProjVersion) – The version of the PROJ string output. Default is PROJ_5.

Returns

str

Return type

The PROJ string.

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

towgs84

returns: list(float) – Otherwise an empty list. :rtype: A list of 3 or 7 towgs84 values if they exist.

class pyproj._crs.Param

Coordinate operation parameter.

name

The name of the parameter.

Type

str

auth_name

The authority name of the parameter (i.e. EPSG).

Type

str

code

The code of the parameter (i.e. 9807).

Type

str

value

The value of the parameter.

Type

str or double

unit_conversion_factor

The factor to convert to meters.

Type

double

unit_name

The name of the unit.

Type

str

unit_auth_name

The authority name of the unit (i.e. EPSG).

Type

str

unit_code

The code of the unit (i.e. 9807).

Type

str

unit_category

The category of the unit (“unknown”, “none”, “linear”, “angular”, “scale”, “time” or “parametric”).

Type

str

auth_name

object

Type

auth_name

code

object

Type

code

name

object

Type

name

unit_auth_name

object

Type

unit_auth_name

unit_category

object

Type

unit_category

unit_code

object

Type

unit_code

unit_conversion_factor

‘double’

Type

unit_conversion_factor

unit_name

object

Type

unit_name

value

object

Type

value

class pyproj._crs.Grid

Coordinate operation grid.

short_name

The short name of the grid.

Type

str

full_name

The full name of the grid.

Type

str

package_name

The the package name where the grid might be found.

Type

str

url

The grid URL or the package URL where the grid might be found.

Type

str

direct_download

If 1, url can be downloaded directly.

Type

int

open_license

If 1, the grid is released with an open license.

Type

int

available

If 1, the grid is available at runtime.

Type

int

available

object

Type

available

direct_download

object

Type

direct_download

full_name

object

Type

full_name

open_license

object

Type

open_license

package_name

object

Type

package_name

short_name

object

Type

short_name

url

object

Type

url

Datum

class pyproj.crs.Datum

Datum for CRS. If it is a compound CRS it is the horizontal datum.

name

The name of the datum.

Type

str

ellipsoid

returns: Ellipsoid :rtype: The ellipsoid object with associated attributes.

static from_authority(auth_name, code)

Create a Datum from an authority code.

Parameters
  • auth_name (str) – Name ot the authority.

  • code (str or int) – The code used by the authority.

Returns

Return type

Datum

static from_epsg(code)

Create a Datum from an EPSG code.

Parameters

code (str or int) – The code used by EPSG.

Returns

Return type

Datum

static from_string(datum_string)

Create a Datum from a string.

Examples

  • urn:ogc:def:datum:EPSG::6326

  • DATUM[“World Geodetic System 1984”, ELLIPSOID[“WGS 84”,6378137,298.257223563, LENGTHUNIT[“metre”,1]], ID[“EPSG”,6326]]

Parameters

datum_string (str) – Datum string.

Returns

Return type

Datum

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

name

object

Type

name

prime_meridian

returns: PrimeMeridian :rtype: The CRS prime meridian object with associated attributes.

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

Ellipsoid

class pyproj.crs.Ellipsoid

Ellipsoid for CRS

name

The name of the ellipsoid.

Type

str

is_semi_minor_computed

1 if True, 0 if False

Type

int

ellipsoid_loaded

True if it is loaded without errors.

Type

bool

ellipsoid_loaded

object

Type

ellipsoid_loaded

static from_authority(auth_name, code)

Create an Ellipsoid from an authority code.

Parameters
  • auth_name (str) – Name ot the authority.

  • code (str or int) – The code used by the authority.

Returns

Return type

Ellipsoid

static from_epsg(code)

Create an Ellipsoid from an EPSG code.

Parameters

code (str or int) – The code used by the EPSG.

Returns

Return type

Ellipsoid

static from_string(ellipsoid_string)

Create an Ellipsoid from a string.

Examples

Parameters

ellipsoid_string (str) – Ellipsoid string.

Returns

Return type

Ellipsoid

inverse_flattening

The ellipsoid inverse flattening.

Returns

float or None

Return type

The inverse flattening if the projection is an ellipsoid.

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

is_semi_minor_computed

object

Type

is_semi_minor_computed

name

object

Type

name

semi_major_metre

The ellipsoid semi major metre.

Returns

float or None

Return type

The semi major metre if the projection is an ellipsoid.

semi_minor_metre

The ellipsoid semi minor metre.

Returns

float or None – and the value was com puted.

Return type

The semi minor metre if the projection is an ellipsoid

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

Prime Meridian

class pyproj.crs.PrimeMeridian

Prime Meridian for CRS

name

The name of the prime meridian.

Type

str

unit_name

The unit name for the prime meridian.

Type

str

static from_authority(auth_name, code)

Create a PrimeMeridian from an authority code.

Parameters
  • auth_name (str) – Name ot the authority.

  • code (str or int) – The code used by the authority.

Returns

Return type

PrimeMeridian

static from_epsg(code)

Create a PrimeMeridian from an EPSG code.

Parameters

code (str or int) – The code used by EPSG.

Returns

Return type

PrimeMeridian

static from_string(prime_meridian_string)

Create an PrimeMeridian from a string.

Examples

Parameters

prime_meridian_string (str) – prime meridian string.

Returns

Return type

PrimeMeridian

is_exact_same(self, other)

Compares projection objects to see if they are exactly the same.

longitude

‘double’

Type

longitude

name

object

Type

name

to_wkt(self, version=u'WKT2_2018', pretty=False)

Convert the projection to a WKT string.

Version options:
  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2018

  • WKT2_2018_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Parameters
  • version (WktVersion) – The version of the WKT output. Default is WKT2_2018.

  • pretty (bool) – If True, it will set the output to be a multiline string. Defaults to False.

Returns

str

Return type

The WKT string.

unit_conversion_factor

‘double’

Type

unit_conversion_factor

unit_name

object

Type

unit_name