QGIS API Documentation  3.14.0-Pi (9f7028fd23)
qgsellipsoidutils.h
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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 
31 class CORE_EXPORT QgsEllipsoidUtils
32 {
33  public:
34 
40  {
42  bool valid{ true };
43 
45  double semiMajor{ -1.0 };
47  double semiMinor{ -1.0 };
48 
50  bool useCustomParameters{ false };
51 
53  double inverseFlattening{ -1.0 };
54 
57  };
58 
64  {
66  QString acronym;
68  QString description;
71  };
72 
77  static EllipsoidParameters ellipsoidParameters( const QString &ellipsoid );
78 
84  static QList< QgsEllipsoidUtils::EllipsoidDefinition > definitions();
85 
91  static QStringList acronyms();
92 
93 #ifndef SIP_RUN
94 
103  static void invalidateCache( bool disableCache = false );
104 #endif
105 };
106 
107 #endif // QGSELLIPSOIDUTILS_H
108 
QgsEllipsoidUtils::EllipsoidDefinition::parameters
QgsEllipsoidUtils::EllipsoidParameters parameters
Ellipsoid parameters.
Definition: qgsellipsoidutils.h:70
QgsEllipsoidUtils::EllipsoidParameters::crs
QgsCoordinateReferenceSystem crs
Associated coordinate reference system.
Definition: qgsellipsoidutils.h:56
QgsEllipsoidUtils::EllipsoidDefinition
Contains definition of an ellipsoid.
Definition: qgsellipsoidutils.h:63
qgis_sip.h
QgsCoordinateReferenceSystem
Definition: qgscoordinatereferencesystem.h:206
QgsEllipsoidUtils::EllipsoidParameters
Contains parameters for an ellipsoid.
Definition: qgsellipsoidutils.h:39
QgsEllipsoidUtils::EllipsoidDefinition::description
QString description
Description of ellipsoid.
Definition: qgsellipsoidutils.h:68
QgsEllipsoidUtils
Definition: qgsellipsoidutils.h:31
qgscoordinatereferencesystem.h
QgsEllipsoidUtils::EllipsoidDefinition::acronym
QString acronym
authority:code for QGIS builds with proj version 6 or greater, or custom acronym for ellipsoid for ea...
Definition: qgsellipsoidutils.h:66