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/**
* @brief The QgsDatumTransformStore class keeps track of datum transformations
* as chosen by the user.
*
* @note added in 2.4
*/
class QgsDatumTransformStore
{
%TypeHeaderCode
#include <qgsdatumtransformstore.h>
%End
public:
explicit 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;
/** 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
*/
const QgsCoordinateTransform* transformation( QgsMapLayer* layer ) const;
void readXML( const QDomNode& parentNode );
void writeXML( QDomNode& parentNode, QDomDocument& theDoc ) const;
};
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