QgsDatumTransformStore Class Reference

The QgsDatumTransformStore class keeps track of datum transformations as chosen by the user. More...

#include <qgsdatumtransformstore.h>

Collaboration diagram for QgsDatumTransformStore:

Classes
struct	Entry

Public Member Functions
	QgsDatumTransformStore (const QgsCoordinateReferenceSystem &destCrs)
void	clear ()
void	setDestinationCrs (const QgsCoordinateReferenceSystem &destCrs)
void	addEntry (const QString &layerId, const QString &srcAuthId, const QString &destAuthId, int srcDatumTransform, int destDatumTransform)
bool	hasEntryForLayer (QgsMapLayer *layer) const
const QgsCoordinateTransform *	transformation (QgsMapLayer *layer) const
	will return transform from layer's CRS to current destination CRS. More...
void	readXML (const QDomNode &parentNode)
void	writeXML (QDomNode &parentNode, QDomDocument &theDoc) const

Protected Attributes
QgsCoordinateReferenceSystem	mDestCRS
QHash< QString, Entry >	mEntries
	key = layer ID More...

Detailed Description

The QgsDatumTransformStore class keeps track of datum transformations as chosen by the user.

Note

added in 2.4

Definition at line 32 of file qgsdatumtransformstore.h.

Constructor & Destructor Documentation

QgsDatumTransformStore::QgsDatumTransformStore ( const QgsCoordinateReferenceSystem &  destCrs )

explicit

Definition at line 22 of file qgsdatumtransformstore.cpp.

Member Function Documentation

void QgsDatumTransformStore::addEntry	(	const QString &	layerId,
		const QString &	srcAuthId,
		const QString &	destAuthId,
		int	srcDatumTransform,
		int	destDatumTransform
	)

Definition at line 39 of file qgsdatumtransformstore.cpp.

References QgsDatumTransformStore::Entry::destAuthId, QgsDatumTransformStore::Entry::destDatumTransform, mEntries, QgsDatumTransformStore::Entry::srcAuthId, and QgsDatumTransformStore::Entry::srcDatumTransform.

Referenced by QgsMapCanvas::getDatumTransformInfo().

void QgsDatumTransformStore::clear

(

)

Definition at line 28 of file qgsdatumtransformstore.cpp.

References mEntries.

Referenced by readXML(), and setDestinationCrs().

bool QgsDatumTransformStore::hasEntryForLayer

(

QgsMapLayer *

layer

)

const

Definition at line 49 of file qgsdatumtransformstore.cpp.

References QgsMapLayer::id(), and mEntries.

Referenced by QgsMapCanvas::updateDatumTransformEntries().

void QgsDatumTransformStore::readXML

(

const QDomNode &

parentNode

)

Definition at line 75 of file qgsdatumtransformstore.cpp.

References clear(), QgsDatumTransformStore::Entry::destAuthId, QgsDatumTransformStore::Entry::destDatumTransform, mEntries, QgsDatumTransformStore::Entry::srcAuthId, and QgsDatumTransformStore::Entry::srcDatumTransform.

Referenced by QgsMapSettings::readXML().

void QgsDatumTransformStore::setDestinationCrs

(

const QgsCoordinateReferenceSystem &

destCrs

)

Definition at line 33 of file qgsdatumtransformstore.cpp.

References clear(), and mDestCRS.

Referenced by QgsMapSettings::setDestinationCrs().

const QgsCoordinateTransform * QgsDatumTransformStore::transformation

(

QgsMapLayer *

layer

)

const

will return transform from layer's CRS to current destination CRS.

Will emit datumTransformInfoRequested signal if the layer has no entry. Returns an instance from QgsCoordinateTransformCache

Definition at line 54 of file qgsdatumtransformstore.cpp.

References QgsCoordinateReferenceSystem::authid(), QgsMapLayer::crs(), QgsMapLayer::id(), QgsCoordinateTransformCache::instance(), mDestCRS, mEntries, and QgsCoordinateTransformCache::transform().

Referenced by QgsMapSettings::layerTransfrom().

void QgsDatumTransformStore::writeXML	(	QDomNode &	parentNode,
		QDomDocument &	theDoc
	)		const

Definition at line 103 of file qgsdatumtransformstore.cpp.

References mEntries.

Referenced by QgsMapSettings::writeXML().

Member Data Documentation

QgsCoordinateReferenceSystem QgsDatumTransformStore::mDestCRS

protected

Definition at line 64 of file qgsdatumtransformstore.h.

Referenced by setDestinationCrs(), and transformation().

QHash< QString, Entry > QgsDatumTransformStore::mEntries

protected

key = layer ID

Definition at line 67 of file qgsdatumtransformstore.h.

Referenced by addEntry(), clear(), hasEntryForLayer(), readXML(), transformation(), and writeXML().

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The documentation for this class was generated from the following files:

• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsdatumtransformstore.h
• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsdatumtransformstore.cpp