Class: QgsEllipsoidUtils

Contains utility functions for working with ellipsoids and querying the ellipsoid database.

List of all members, including inherited members

Classes

EllipsoidDefinition	Contains definition of an ellipsoid.
EllipsoidParameters	Contains parameters for an ellipsoid.

Static Methods

acronyms	Returns a list of all known ellipsoid acronyms from the internal ellipsoid database.
celestialBodies	Returns a list of all known celestial bodies.
definitions	Returns a list of the definitions for all known ellipsoids from the internal ellipsoid database.
ellipsoidParameters	Returns the parameters for the specified ellipsoid.

class qgis.core.QgsEllipsoidUtils

Bases: object

class EllipsoidDefinition

Bases: object

Contains definition of an ellipsoid.

acronym: str

celestialBodyName: str

description: str

parameters: EllipsoidParameters

class EllipsoidParameters

Bases: object

Contains parameters for an ellipsoid.

crs: QgsCoordinateReferenceSystem

inverseFlattening: float

semiMajor: float

semiMinor: float

useCustomParameters: bool

valid: bool

static acronyms() → list[str]

Returns a list of all known ellipsoid acronyms from the internal ellipsoid database.

See also

definitions()

Return type:

list[str]

static celestialBodies() → list[QgsCelestialBody]

Returns a list of all known celestial bodies.

Note

This method is an alias for QgsCoordinateReferenceSystemRegistry.celestialBodies().

Warning

This method requires PROJ 8.1 or later

Raises:

QgsNotSupportedException – on QGIS builds based on PROJ 8.0 or earlier.

Added in version 3.20.

Return type:

list[QgsCelestialBody]

static definitions() → list[QgsEllipsoidUtils.EllipsoidDefinition]

Returns a list of the definitions for all known ellipsoids from the internal ellipsoid database.

See also

acronyms()

Return type:

list[QgsEllipsoidUtils.EllipsoidDefinition]

static ellipsoidParameters(ellipsoid: str | None) → QgsEllipsoidUtils.EllipsoidParameters

Returns the parameters for the specified ellipsoid. Results are cached to allow for fast retrieval of parameters.

Parameters:

ellipsoid (Optional[str])

Return type:

QgsEllipsoidUtils.EllipsoidParameters