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src
core
qgscoordinatetransformcontext.h
Go to the documentation of this file.
1
/***************************************************************************
2
qgscoordinatetransformcontext.h
3
-------------------------------
4
begin : November 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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* *
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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 QGSCOORDINATETRANSFORMCONTEXT_H
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#define QGSCOORDINATETRANSFORMCONTEXT_H
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#include "qgis_core.h"
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#include "
qgis_sip.h
"
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#include "
qgsdatumtransform.h
"
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#include <QMetaType>
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#include <QExplicitlySharedDataPointer>
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class
QgsCoordinateReferenceSystem
;
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class
QgsReadWriteContext
;
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class
QgsCoordinateTransformContextPrivate;
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class
QDomElement;
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/***************************************************************************
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* This class is considered CRITICAL and any change MUST be accompanied with
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* full unit tests in testqgsfeature.cpp.
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* See details in QEP #17
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****************************************************************************/
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57
class
CORE_EXPORT
QgsCoordinateTransformContext
58
{
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public
:
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QgsCoordinateTransformContext
();
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~
QgsCoordinateTransformContext
() ;
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QgsCoordinateTransformContext
(
const
QgsCoordinateTransformContext
&rhs );
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QgsCoordinateTransformContext
&operator=(
const
QgsCoordinateTransformContext
&rhs )
SIP_SKIP
;
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bool
operator==
(
const
QgsCoordinateTransformContext
&rhs )
const
;
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void
clear();
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100
Q_DECL_DEPRECATED QMap< QPair< QString, QString>,
QgsDatumTransform::TransformPair
> sourceDestinationDatumTransforms()
const
SIP_DEPRECATED
;
101
117
QMap< QPair< QString, QString>, QString > coordinateOperations()
const
;
118
133
Q_DECL_DEPRECATED
bool
addSourceDestinationDatumTransform(
const
QgsCoordinateReferenceSystem
&sourceCrs,
const
QgsCoordinateReferenceSystem
&destinationCrs,
int
sourceTransformId,
int
destinationTransformId )
SIP_DEPRECATED
;
134
153
bool
addCoordinateOperation(
const
QgsCoordinateReferenceSystem
&sourceCrs,
const
QgsCoordinateReferenceSystem
&destinationCrs,
const
QString &coordinateOperationProjString );
154
162
Q_DECL_DEPRECATED
void
removeSourceDestinationDatumTransform(
const
QgsCoordinateReferenceSystem
&sourceCrs,
const
QgsCoordinateReferenceSystem
&destinationCrs )
SIP_DEPRECATED
;
163
169
void
removeCoordinateOperation(
const
QgsCoordinateReferenceSystem
&sourceCrs,
const
QgsCoordinateReferenceSystem
&destinationCrs );
170
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bool
hasTransform(
const
QgsCoordinateReferenceSystem
&source,
177
const
QgsCoordinateReferenceSystem
&destination )
const
;
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189
Q_DECL_DEPRECATED
QgsDatumTransform::TransformPair
calculateDatumTransforms(
const
QgsCoordinateReferenceSystem
&source,
const
QgsCoordinateReferenceSystem
&destination )
const
SIP_DEPRECATED
;
190
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QString calculateCoordinateOperation(
const
QgsCoordinateReferenceSystem
&source,
const
QgsCoordinateReferenceSystem
&destination )
const
;
207
208
// TODO QGIS 4.0 - remove missingTransforms, not used for Proj >= 6.0 builds
209
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bool
readXml(
const
QDomElement &element,
const
QgsReadWriteContext
&context, QStringList &missingTransforms
SIP_OUT
);
219
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void
writeXml( QDomElement &element,
const
QgsReadWriteContext
&context )
const
;
225
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231
void
readSettings();
232
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void
writeSettings();
238
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private
:
241
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QExplicitlySharedDataPointer<QgsCoordinateTransformContextPrivate> d;
243
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};
245
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Q_DECLARE_METATYPE
(
QgsCoordinateTransformContext
)
247
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#endif // QGSCOORDINATETRANSFORMCONTEXT_H
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QgsReadWriteContext
The class is used as a container of context for various read/write operations on other objects...
Definition:
qgsreadwritecontext.h:34
operator==
bool operator==(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
Definition:
qgsfeatureiterator.h:399
qgsdatumtransform.h
SIP_SKIP
#define SIP_SKIP
Definition:
qgis_sip.h:126
qgis_sip.h
Q_DECLARE_METATYPE
Q_DECLARE_METATYPE(QgsMeshTimeSettings)
QgsCoordinateTransformContext
Contains information about the context in which a coordinate transform is executed.
Definition:
qgscoordinatetransformcontext.h:57
SIP_DEPRECATED
#define SIP_DEPRECATED
Definition:
qgis_sip.h:106
QgsDatumTransform::TransformPair
Contains datum transform information.
Definition:
qgsdatumtransform.h:54
SIP_OUT
#define SIP_OUT
Definition:
qgis_sip.h:58
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition:
qgscoordinatereferencesystem.h:198
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