QGIS API Documentation 3.27.0-Master (9c08adf5ef)
qgsellipsoidutils.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsellipsoidutils.h
3 --------------------
4 Date : April 2017
5 Copyright : (C) 2017 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSELLIPSOIDUTILS_H
17#define QGSELLIPSOIDUTILS_H
18
19#include "qgis_core.h"
20#include "qgis_sip.h"
22#include <QStringList>
23
25
33class CORE_EXPORT QgsEllipsoidUtils
34{
35 public:
36
42 {
44 bool valid{ true };
45
47 double semiMajor{ -1.0 };
49 double semiMinor{ -1.0 };
50
52 bool useCustomParameters{ false };
53
55 double inverseFlattening{ -1.0 };
56
59
60 };
61
67 {
69 QString acronym;
71 QString description;
74
83 };
84
89 static EllipsoidParameters ellipsoidParameters( const QString &ellipsoid );
90
96 static QList< QgsEllipsoidUtils::EllipsoidDefinition > definitions();
97
103 static QStringList acronyms();
104
116 static QList< QgsCelestialBody > celestialBodies();
117
118#ifndef SIP_RUN
119
128 static void invalidateCache( bool disableCache = false );
129#endif
130};
131
132#endif // QGSELLIPSOIDUTILS_H
133
Contains information about a celestial body.
This class represents a coordinate reference system (CRS).
Contains utility functions for working with ellipsoids and querying the ellipsoid database.
Contains definition of an ellipsoid.
QString acronym
authority:code for QGIS builds with proj version 6 or greater, or custom acronym for ellipsoid for ea...
QString celestialBodyName
Name of the associated celestial body (e.g.
QString description
Description of ellipsoid.
QgsEllipsoidUtils::EllipsoidParameters parameters
Ellipsoid parameters.
Contains parameters for an ellipsoid.
QgsCoordinateReferenceSystem crs
Associated coordinate reference system.