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src
core
proj
qgscoordinatetransformcontext.h
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/***************************************************************************
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qgscoordinatetransformcontext.h
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-------------------------------
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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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class
CORE_EXPORT
QgsCoordinateTransformContext
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{
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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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bool
operator!=
(
const
QgsCoordinateTransformContext
&rhs )
const
;
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void
clear();
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Q_DECL_DEPRECATED QMap< QPair< QString, QString>,
QgsDatumTransform::TransformPair
> sourceDestinationDatumTransforms() const
SIP_DEPRECATED
;
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QMap< QPair< QString, QString>, QString > coordinateOperations() const;
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Q_DECL_DEPRECATED
bool
addSourceDestinationDatumTransform( const
QgsCoordinateReferenceSystem
&sourceCrs, const
QgsCoordinateReferenceSystem
&destinationCrs,
int
sourceTransformId,
int
destinationTransformId )
SIP_DEPRECATED
;
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bool
addCoordinateOperation( const
QgsCoordinateReferenceSystem
&sourceCrs, const
QgsCoordinateReferenceSystem
&destinationCrs, const QString &coordinateOperationProjString,
bool
allowFallback = true );
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Q_DECL_DEPRECATED
void
removeSourceDestinationDatumTransform( const
QgsCoordinateReferenceSystem
&sourceCrs, const
QgsCoordinateReferenceSystem
&destinationCrs )
SIP_DEPRECATED
;
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void
removeCoordinateOperation( const
QgsCoordinateReferenceSystem
&sourceCrs, const
QgsCoordinateReferenceSystem
&destinationCrs );
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bool
hasTransform( const
QgsCoordinateReferenceSystem
&source,
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const
QgsCoordinateReferenceSystem
&destination ) const;
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Q_DECL_DEPRECATED
QgsDatumTransform
::TransformPair calculateDatumTransforms( const
QgsCoordinateReferenceSystem
&source, const
QgsCoordinateReferenceSystem
&destination ) const
SIP_DEPRECATED
;
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QString calculateCoordinateOperation( const
QgsCoordinateReferenceSystem
&source, const
QgsCoordinateReferenceSystem
&destination ) const;
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bool
allowFallbackTransform( const
QgsCoordinateReferenceSystem
&source, const
QgsCoordinateReferenceSystem
&destination ) const;
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bool
mustReverseCoordinateOperation( const
QgsCoordinateReferenceSystem
&source, const
QgsCoordinateReferenceSystem
&destination ) const;
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// TODO QGIS 4.0 - remove missingTransforms, not used for Proj >= 6.0 builds
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bool
readXml( const QDomElement &element, const
QgsReadWriteContext
&context, QStringList &missingTransforms
SIP_OUT
);
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void
writeXml( QDomElement &element, const
QgsReadWriteContext
&context ) const;
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void
readSettings();
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void
writeSettings();
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private:
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QExplicitlySharedDataPointer<QgsCoordinateTransformContextPrivate> d;
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};
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Q_DECLARE_METATYPE
(
QgsCoordinateTransformContext
)
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#endif
// QGSCOORDINATETRANSFORMCONTEXT_H
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QgsCoordinateReferenceSystem
Represents a coordinate reference system (CRS).
Definition
qgscoordinatereferencesystem.h:212
QgsCoordinateTransformContext
Contains information about the context in which a coordinate transform is executed.
Definition
qgscoordinatetransformcontext.h:57
QgsCoordinateTransformContext::~QgsCoordinateTransformContext
~QgsCoordinateTransformContext()
QgsDatumTransform
Contains methods and classes relating the datum transformations.
Definition
qgsdatumtransform.h:42
QgsReadWriteContext
A container for the context for various read/write operations on objects.
Definition
qgsreadwritecontext.h:34
qgis_sip.h
SIP_DEPRECATED
#define SIP_DEPRECATED
Definition
qgis_sip.h:106
SIP_SKIP
#define SIP_SKIP
Definition
qgis_sip.h:126
SIP_OUT
#define SIP_OUT
Definition
qgis_sip.h:58
qgsdatumtransform.h
Q_DECLARE_METATYPE
Q_DECLARE_METATYPE(QgsDatabaseQueryLogEntry)
operator==
bool operator==(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
Definition
qgsfeatureiterator.h:433
operator!=
bool operator!=(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
Definition
qgsfeatureiterator.h:438
QgsDatumTransform::TransformPair
Contains datum transform information.
Definition
qgsdatumtransform.h:51
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