QgsCoordinateReferenceSystemUtils Class Reference

Utility functions for working with QgsCoordinateReferenceSystem objects. More...

#include <qgscoordinatereferencesystemutils.h>

Static Public Member Functions
static QString	axisDirectionToAbbreviatedString (Qgis::CrsAxisDirection axis)
	Returns a translated abbreviation representing an axis direction.
static QString	crsTypeToString (Qgis::CrsType type)
	Returns a translated string representing a CRS type.
static Qgis::CoordinateOrder	defaultCoordinateOrderForCrs (const QgsCoordinateReferenceSystem &crs)
	Returns the default coordinate order to use for the specified crs.
static QgsGeometry	topocentricHorizonGeometry (const QgsCoordinateReferenceSystem &topocentricCrs, const QgsCoordinateReferenceSystem &outputCrs, const QgsCoordinateTransformContext &transformContext, double degreeStep=1.0)
	Builds the geometry of the visible horizon (in outputCrs) when topocentricCrs is a topocentric CRS.
static QString	translateProjection (const QString &projection)
	Returns a translated string for a projection method.

Detailed Description

Utility functions for working with QgsCoordinateReferenceSystem objects.

Since

QGIS 3.26

Definition at line 34 of file qgscoordinatereferencesystemutils.h.

Member Function Documentation

axisDirectionToAbbreviatedString()

QString QgsCoordinateReferenceSystemUtils::axisDirectionToAbbreviatedString ( Qgis::CrsAxisDirection axis )

static

Returns a translated abbreviation representing an axis direction.

Definition at line 98 of file qgscoordinatereferencesystemutils.cpp.

crsTypeToString()

QString QgsCoordinateReferenceSystemUtils::crsTypeToString ( Qgis::CrsType type )

static

Returns a translated string representing a CRS type.

Since

QGIS 3.34

Definition at line 187 of file qgscoordinatereferencesystemutils.cpp.

defaultCoordinateOrderForCrs()

Qgis::CoordinateOrder QgsCoordinateReferenceSystemUtils::defaultCoordinateOrderForCrs ( const QgsCoordinateReferenceSystem & crs )

static

Returns the default coordinate order to use for the specified crs.

Warning

This is quite a "coarse" method, in that many possible CRS axis don't map well to a simply X/Y or Y/X order. Accordingly this method will default to returning Qgis::CoordinateOrder::XY unless we are reasonably certain of a Y/X order.

Definition at line 31 of file qgscoordinatereferencesystemutils.cpp.

topocentricHorizonGeometry()

QgsGeometry QgsCoordinateReferenceSystemUtils::topocentricHorizonGeometry ( const QgsCoordinateReferenceSystem & topocentricCrs, const QgsCoordinateReferenceSystem & outputCrs, const QgsCoordinateTransformContext & transformContext, double degreeStep = 1.0 )

static

Builds the geometry of the visible horizon (in outputCrs) when topocentricCrs is a topocentric CRS.

The horizon is built up from points spaced at degreeStep degree intervals around the horizon.

Returns null geometry if topocentricCrs is not a topocentric CRS or if the transform fails.

Since

QGIS 4.4

Definition at line 508 of file qgscoordinatereferencesystemutils.cpp.

translateProjection()

QString QgsCoordinateReferenceSystemUtils::translateProjection ( const QString & projection )

static

Returns a translated string for a projection method.

Returns an empty string for unhandled methods.

Since

QGIS 3.34

Definition at line 221 of file qgscoordinatereferencesystemutils.cpp.

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The documentation for this class was generated from the following files:

• /build/qgis-4.3.0+git20260915+0de80482b60+99sid/src/core/proj/qgscoordinatereferencesystemutils.h
• /build/qgis-4.3.0+git20260915+0de80482b60+99sid/src/core/proj/qgscoordinatereferencesystemutils.cpp