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src
core
proj
qgsellipsoidutils.h
Go to the documentation of this file.
1
/***************************************************************************
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qgsellipsoidutils.h
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--------------------
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Date : April 2017
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Copyright : (C) 2017 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSELLIPSOIDUTILS_H
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#define QGSELLIPSOIDUTILS_H
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#include "qgis_core.h"
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#include "
qgis_sip.h
"
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#include "
qgscoordinatereferencesystem.h
"
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#include <QStringList>
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class
QgsCelestialBody
;
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32
class
CORE_EXPORT
QgsEllipsoidUtils
33
{
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public
:
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39
struct
EllipsoidParameters
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{
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bool
valid{
true
};
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double
semiMajor{ -1.0 };
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double
semiMinor{ -1.0 };
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bool
useCustomParameters{
false
};
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double
inverseFlattening{ -1.0 };
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QgsCoordinateReferenceSystem
crs
;
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};
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struct
EllipsoidParameters
{
…
};
59
63
struct
EllipsoidDefinition
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{
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QString
acronym
;
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QString
description
;
70
QgsEllipsoidUtils::EllipsoidParameters
parameters
;
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79
QString
celestialBodyName
;
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};
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struct
EllipsoidDefinition
{
…
};
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86
static
EllipsoidParameters
ellipsoidParameters(
const
QString &ellipsoid );
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static
QList< QgsEllipsoidUtils::EllipsoidDefinition > definitions();
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100
static
QStringList acronyms();
101
113
static
QList< QgsCelestialBody > celestialBodies();
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#ifndef SIP_RUN
116
125
static
void
invalidateCache(
bool
disableCache =
false
);
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#endif
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};
32
class
CORE_EXPORT
QgsEllipsoidUtils
{
…
};
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#endif
// QGSELLIPSOIDUTILS_H
130
QgsCelestialBody
Contains information about a celestial body.
Definition
qgscelestialbody.h:32
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition
qgscoordinatereferencesystem.h:201
QgsEllipsoidUtils
Contains utility functions for working with ellipsoids and querying the ellipsoid database.
Definition
qgsellipsoidutils.h:33
qgis_sip.h
qgscoordinatereferencesystem.h
QgsEllipsoidUtils::EllipsoidDefinition
Contains definition of an ellipsoid.
Definition
qgsellipsoidutils.h:64
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
QgsEllipsoidUtils::EllipsoidDefinition::celestialBodyName
QString celestialBodyName
Name of the associated celestial body (e.g.
Definition
qgsellipsoidutils.h:79
QgsEllipsoidUtils::EllipsoidDefinition::description
QString description
Description of ellipsoid.
Definition
qgsellipsoidutils.h:68
QgsEllipsoidUtils::EllipsoidDefinition::parameters
QgsEllipsoidUtils::EllipsoidParameters parameters
Ellipsoid parameters.
Definition
qgsellipsoidutils.h:70
QgsEllipsoidUtils::EllipsoidParameters
Contains parameters for an ellipsoid.
Definition
qgsellipsoidutils.h:40
QgsEllipsoidUtils::EllipsoidParameters::crs
QgsCoordinateReferenceSystem crs
Associated coordinate reference system.
Definition
qgsellipsoidutils.h:56
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