Coordinate Operations

CoordinateOperation

class pyproj.crs.CoordinateOperation

Added in version 2.2.0.

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

area_of_use

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

static from_authority(unicode auth_name, code, bool use_proj_alternative_grid_names=False)

Create a CoordinateOperation from an authority code.

Parameters:

  • auth_name (str) – Name of the authority.

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

  • use_proj_alternative_grid_names (bool, default=False) – Use the PROJ alternative grid names.

Return type:

CoordinateOperation

static from_epsg(code, bool 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, default=False) – Use the PROJ alternative grid names.

Return type:

CoordinateOperation

static from_json(unicode coordinate_operation_json_str)

Create CoordinateOperation from a JSON string.

Added in version 2.4.0.

Parameters:

coordinate_operation_json_str (str) – CoordinateOperation JSON string.

Return type:

CoordinateOperation

static from_json_dict(dict coordinate_operation_dict)

Create CoordinateOperation from a JSON dictionary.

Added in version 2.4.0.

Parameters:

coordinate_operation_dict (str) – CoordinateOperation dictionary.

Return type:

CoordinateOperation

static from_name(unicode coordinate_operation_name, unicode auth_name=None, coordinate_operation_type=CoordinateOperationType.CONVERSION)

Added in version 2.5.0.

Create a Coordinate Operation from a name.

Examples

  • UTM zone 14N

Parameters:

  • coordinate_operation_name (str) – Coordinate Operation name.

  • auth_name (str, optional) – The authority name to refine search (e.g. ‘EPSG’). If None, will search all authorities.

  • coordinate_operation_type (CoordinateOperationType, optional) – The coordinate operation type to create. Default is pyproj.crs.enums.CoordinateOperationType.CONVERSION

Return type:

CoordinateOperation

static from_string(unicode coordinate_operation_string)

Create a CoordinateOperation from a string.

Example

Parameters:

coordinate_operation_string (str) – Coordinate operation string.

Return type:

CoordinateOperation

classmethod from_user_input(cls, user_input)

Added in version 2.5.0.

Create cls from user input:

  • PROJ JSON string

  • PROJ JSON dict

  • WKT string

  • An authority string

  • An EPSG integer code

  • An iterable of (“auth_name”, “auth_code”)

  • An object with a to_json method.

Parameters:

user_input (str, dict, int, Iterable[str, str]) – Input to create cls.

Return type:

cls

grids

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

is_exact_same(self, other)

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

operations

Added in version 2.4.0.

Returns:

The operations in a concatenated operation.

Return type:

tuple[CoordinateOperation]

params

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

remarks

Added in version 2.4.0.

Returns:

Remarks about object.

Return type:

str

scope

Added in version 2.4.0.

Returns:

Scope of object.

Return type:

str

to_json(self, bool pretty=False, int indentation=2)

Added in version 2.4.0.

Convert the object to a JSON string.

Parameters:

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

  • indentation (int, default=2) – If pretty is True, it will set the width of the indentation.

Return type:

str

to_json_dict(self)

Added in version 2.4.0.

Convert the object to a JSON dictionary.

Return type:

dict

to_proj4(self, version=ProjVersion.PROJ_5, bool pretty=False)

Convert the projection to a PROJ string.

Added in version 3.1.0: pretty

Parameters:

  • version (pyproj.enums.ProjVersion, default=pyproj.enums.ProjVersion.PROJ_5) – The version of the PROJ string output.

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

Returns:

The PROJ string.

Return type:

str

to_wkt(self, version=WktVersion.WKT2_2019, pretty=False, output_axis_rule=None)

Convert the projection to a WKT string.

Version options:

  • WKT2_2015

  • WKT2_2015_SIMPLIFIED

  • WKT2_2019

  • WKT2_2019_SIMPLIFIED

  • WKT1_GDAL

  • WKT1_ESRI

Added in version 3.6.0: output_axis_rule

Parameters:

  • version (pyproj.enums.WktVersion, default=pyproj.enums.WktVersion.WKT2_2019) – The version of the WKT output.

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

  • output_axis_rule (bool, optional, default=None) – If True, it will set the axis rule on any case. If false, never. None for AUTO, that depends on the CRS and version.

Return type:

str

towgs84

returns: A list of 3 or 7 towgs84 values if they exist. :rtype: list[float]

Param

class pyproj._crs.Param

Added in version 2.2.0.

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

Grid

class pyproj._crs.Grid

Added in version 2.2.0.

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 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

AlbersEqualAreaConversion

class pyproj.crs.coordinate_operation.AlbersEqualAreaConversion(latitude_first_parallel: float, latitude_second_parallel: float, latitude_false_origin: float = 0.0, longitude_false_origin: float = 0.0, easting_false_origin: float = 0.0, northing_false_origin: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Albers Equal Area Conversion.

PROJ docs

static __new__(cls, latitude_first_parallel: float, latitude_second_parallel: float, latitude_false_origin: float = 0.0, longitude_false_origin: float = 0.0, easting_false_origin: float = 0.0, northing_false_origin: float = 0.0)[source]
Parameters:

  • latitude_first_parallel (float) – First standard parallel (lat_1).

  • latitude_second_parallel (float) – Second standard parallel (lat_2).

  • latitude_false_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_false_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • easting_false_origin (float, default=0.0) – False easting (x_0).

  • northing_false_origin (float, default=0.0) – False northing (y_0).

AzimuthalEquidistantConversion

class pyproj.crs.coordinate_operation.AzimuthalEquidistantConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0: AzumuthalEquidistantConversion

Added in version 3.2.0: AzimuthalEquidistantConversion

Class for constructing the Modified Azimuthal Equidistant conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

EquidistantCylindricalConversion

class pyproj.crs.coordinate_operation.EquidistantCylindricalConversion(latitude_first_parallel: float = 0.0, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Equidistant Cylintrical (Plate Carrée) conversion.

PROJ docs

static __new__(cls, latitude_first_parallel: float = 0.0, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_first_parallel (float, default=0.0) – Latitude of 1st standard parallel (lat_ts).

  • latitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

GeostationarySatelliteConversion

class pyproj.crs.coordinate_operation.GeostationarySatelliteConversion(sweep_angle_axis: str, satellite_height: float, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Geostationary Satellite conversion.

PROJ docs

static __new__(cls, sweep_angle_axis: str, satellite_height: float, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • sweep_angle_axis (str) – Sweep angle axis of the viewing instrument. Valid options are “X” and “Y”.

  • satellite_height (float) – Satellite height.

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

LambertAzimuthalEqualAreaConversion

class pyproj.crs.coordinate_operation.LambertAzimuthalEqualAreaConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0: LambertAzumuthalEqualAreaConversion

Added in version 3.2.0: LambertAzimuthalEqualAreaConversion

Class for constructing the Lambert Azimuthal Equal Area conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

LambertConformalConic1SPConversion

class pyproj.crs.coordinate_operation.LambertConformalConic1SPConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Lambert Conformal Conic 1SP conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

  • scale_factor_natural_origin (float, default=1.0) – Scale factor at natural origin (k_0).

LambertConformalConic2SPConversion

class pyproj.crs.coordinate_operation.LambertConformalConic2SPConversion(latitude_first_parallel: float, latitude_second_parallel: float, latitude_false_origin: float = 0.0, longitude_false_origin: float = 0.0, easting_false_origin: float = 0.0, northing_false_origin: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Lambert Conformal Conic 2SP conversion.

PROJ docs

static __new__(cls, latitude_first_parallel: float, latitude_second_parallel: float, latitude_false_origin: float = 0.0, longitude_false_origin: float = 0.0, easting_false_origin: float = 0.0, northing_false_origin: float = 0.0)[source]
Parameters:

  • latitude_first_parallel (float) – Latitude of 1st standard parallel (lat_1).

  • latitude_second_parallel (float) – Latitude of 2nd standard parallel (lat_2).

  • latitude_false_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_false_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • easting_false_origin (float, default=0.0) – False easting (x_0).

  • northing_false_origin (float, default=0.0) – False northing (y_0).

LambertCylindricalEqualAreaConversion

class pyproj.crs.coordinate_operation.LambertCylindricalEqualAreaConversion(latitude_first_parallel: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Lambert Cylindrical Equal Area conversion.

PROJ docs

static __new__(cls, latitude_first_parallel: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_first_parallel (float, default=0.0) – Latitude of 1st standard parallel (lat_ts).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

class pyproj.crs.coordinate_operation.LambertCylindricalEqualAreaScaleConversion(longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Added in version 2.5.0.

Class for constructing the Lambert Cylindrical Equal Area conversion.

This version uses the scale factor and differs from the official version.

The scale factor will be converted to the Latitude of 1st standard parallel (lat_ts) when exporting to WKT in PROJ>=7.0.0. Previous version will export it as a PROJ-based coordinate operation in the WKT.

PROJ docs

Members:

Show-inheritance:

Special-members:

__new__

MercatorAConversion

class pyproj.crs.coordinate_operation.MercatorAConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Mercator (variant A) conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of natural origin (lat_0). Must be 0 by this conversion’s definition.

  • longitude_natural_origin (float, default=0.0) – Longitude of natural origin (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

  • scale_factor_natural_origin (float, default=1.0) – Scale factor at natural origin (k or k_0).

MercatorBConversion

class pyproj.crs.coordinate_operation.MercatorBConversion(latitude_first_parallel: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Mercator (variant B) conversion.

PROJ docs

static __new__(cls, latitude_first_parallel: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_first_parallel (float, default=0.0) – Latitude of 1st standard parallel (lat_ts).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

HotineObliqueMercatorBConversion

class pyproj.crs.coordinate_operation.HotineObliqueMercatorBConversion(latitude_projection_centre: float, longitude_projection_centre: float, azimuth_initial_line: float, angle_from_rectified_to_skew_grid: float, scale_factor_on_initial_line: float = 1.0, easting_projection_centre: float = 0.0, northing_projection_centre: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Hotine Oblique Mercator (variant B) conversion.

PROJ docs

static __new__(cls, latitude_projection_centre: float, longitude_projection_centre: float, azimuth_initial_line: float, angle_from_rectified_to_skew_grid: float, scale_factor_on_initial_line: float = 1.0, easting_projection_centre: float = 0.0, northing_projection_centre: float = 0.0)[source]
Parameters:

  • latitude_projection_centre (float) – Latitude of projection centre (lat_0).

  • longitude_projection_centre (float) – Longitude of projection centre (lonc).

  • azimuth_initial_line (float) – Azimuth of initial line (alpha).

  • angle_from_rectified_to_skew_grid (float) – Angle from Rectified to Skew Grid (gamma).

  • scale_factor_on_initial_line (float, default=1.0) – Scale factor on initial line (k or k_0).

  • easting_projection_centre (float, default=0.0) – Easting at projection centre (x_0).

  • northing_projection_centre (float, default=0.0) – Northing at projection centre (y_0).

OrthographicConversion

class pyproj.crs.coordinate_operation.OrthographicConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Orthographic conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

PlateCarreeConversion

pyproj.crs.coordinate_operation.PlateCarreeConversion

alias of EquidistantCylindricalConversion

PolarStereographicAConversion

class pyproj.crs.coordinate_operation.PolarStereographicAConversion(latitude_natural_origin: float, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Polar Stereographic A conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]
Parameters:

  • latitude_natural_origin (float) – Latitude of natural origin (lat_0). Either +90 or -90.

  • longitude_natural_origin (float, default=0.0) – Longitude of natural origin (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

  • scale_factor_natural_origin (float, default=0.0) – Scale factor at natural origin (k or k_0).

PolarStereographicBConversion

class pyproj.crs.coordinate_operation.PolarStereographicBConversion(latitude_standard_parallel: float = 0.0, longitude_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Polar Stereographic B conversion.

PROJ docs

static __new__(cls, latitude_standard_parallel: float = 0.0, longitude_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • latitude_standard_parallel (float, default=0.0) – Latitude of standard parallel (lat_ts).

  • longitude_origin (float, default=0.0) – Longitude of origin (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

SinusoidalConversion

class pyproj.crs.coordinate_operation.SinusoidalConversion(longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Sinusoidal conversion.

PROJ docs

static __new__(cls, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

StereographicConversion

class pyproj.crs.coordinate_operation.StereographicConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Stereographic conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of natural origin (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of natural origin (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

  • scale_factor_natural_origin (float, default=1.0) – Scale factor at natural origin (k or k_0).

UTMConversion

class pyproj.crs.coordinate_operation.UTMConversion(zone: str, hemisphere: str = 'N')[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the UTM conversion.

PROJ docs

static __new__(cls, zone: str, hemisphere: str = 'N')[source]
Parameters:

  • zone (int) – UTM Zone between 1-60.

  • hemisphere (str, default="N") – Either N for North or S for South.

TransverseMercatorConversion

class pyproj.crs.coordinate_operation.TransverseMercatorConversion(latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Transverse Mercator conversion.

PROJ docs

static __new__(cls, latitude_natural_origin: float = 0.0, longitude_natural_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0, scale_factor_natural_origin: float = 1.0)[source]
Parameters:

  • latitude_natural_origin (float, default=0.0) – Latitude of projection center (lat_0).

  • longitude_natural_origin (float, default=0.0) – Longitude of projection center (lon_0).

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

  • scale_factor_natural_origin (float, default=1.0) – Scale factor at natural origin (k or k_0).

VerticalPerspectiveConversion

class pyproj.crs.coordinate_operation.VerticalPerspectiveConversion(viewpoint_height: float, latitude_topocentric_origin: float = 0.0, longitude_topocentric_origin: float = 0.0, ellipsoidal_height_topocentric_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Vertical Perspective conversion.

PROJ docs

static __new__(cls, viewpoint_height: float, latitude_topocentric_origin: float = 0.0, longitude_topocentric_origin: float = 0.0, ellipsoidal_height_topocentric_origin: float = 0.0, false_easting: float = 0.0, false_northing: float = 0.0)[source]
Parameters:

  • viewpoint_height (float) – Viewpoint height (h).

  • latitude_topocentric_origin (float, default=0.0) – Latitude of topocentric origin (lat_0).

  • longitude_topocentric_origin (float, default=0.0) – Longitude of topocentric origin (lon_0).

  • ellipsoidal_height_topocentric_origin (float, default=0.0) – Ellipsoidal height of topocentric origin.

  • false_easting (float, default=0.0) – False easting (x_0).

  • false_northing (float, default=0.0) – False northing (y_0).

RotatedLatitudeLongitudeConversion

class pyproj.crs.coordinate_operation.RotatedLatitudeLongitudeConversion(o_lat_p: float, o_lon_p: float, lon_0: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the Rotated Latitude Longitude conversion.

PROJ docs

static __new__(cls, o_lat_p: float, o_lon_p: float, lon_0: float = 0.0)[source]
Parameters:

  • o_lat_p (float) – Latitude of the North pole of the unrotated source CRS, expressed in the rotated geographic CRS.

  • o_lon_p (float) – Longitude of the North pole of the unrotated source CRS, expressed in the rotated geographic CRS.

  • lon_0 (float, default=0.0) – Longitude of projection center.

PoleRotationNetCDFCFConversion

class pyproj.crs.coordinate_operation.PoleRotationNetCDFCFConversion(grid_north_pole_latitude: float, grid_north_pole_longitude: float, north_pole_grid_longitude: float = 0.0)[source]

Bases: CoordinateOperation

Added in version 3.3.0.

Class for constructing the Pole rotation (netCDF CF convention) conversion.

http://cfconventions.org/cf-conventions/cf-conventions.html#_rotated_pole

PROJ docs

static __new__(cls, grid_north_pole_latitude: float, grid_north_pole_longitude: float, north_pole_grid_longitude: float = 0.0)[source]
Parameters:

  • grid_north_pole_latitude (float) – Latitude of the North pole of the unrotated source CRS, expressed in the rotated geographic CRS (o_lat_p)

  • grid_north_pole_longitude (float) – Longitude of projection center (lon_0 - 180).

  • north_pole_grid_longitude (float, default=0.0) – Longitude of the North pole of the unrotated source CRS, expressed in the rotated geographic CRS (o_lon_p).

ToWGS84Transformation

class pyproj.crs.coordinate_operation.ToWGS84Transformation(source_crs: Any, x_axis_translation: float = 0, y_axis_translation: float = 0, z_axis_translation: float = 0, x_axis_rotation: float = 0, y_axis_rotation: float = 0, z_axis_rotation: float = 0, scale_difference: float = 0)[source]

Bases: CoordinateOperation

Added in version 2.5.0.

Class for constructing the ToWGS84 Transformation.

static __new__(cls, source_crs: Any, x_axis_translation: float = 0, y_axis_translation: float = 0, z_axis_translation: float = 0, x_axis_rotation: float = 0, y_axis_rotation: float = 0, z_axis_rotation: float = 0, scale_difference: float = 0)[source]
Parameters:

  • source_crs (Any) – Input to create the Source CRS.

  • x_axis_translation (float, default=0.0) – X-axis translation.

  • y_axis_translation (float, default=0.0) – Y-axis translation.

  • z_axis_translation (float, default=0.0) – Z-axis translation.

  • x_axis_rotation (float, default=0.0) – X-axis rotation.

  • y_axis_rotation (float, default=0.0) – Y-axis rotation.

  • z_axis_rotation (float, default=0.0) – Z-axis rotation.

  • scale_difference (float, default=0.0) – Scale difference.