QgsCRSCache Class Reference

#include <qgscrscache.h>

Collaboration diagram for QgsCRSCache:

Public Member Functions
	~QgsCRSCache ()
const QgsCoordinateReferenceSystem &	crsByAuthId (const QString &authid)
	Returns the CRS for authid, e.g.
const QgsCoordinateReferenceSystem &	crsByEpsgId (long epsg)
void	updateCRSCache (const QString &authid)

Static Public Member Functions
static QgsCRSCache *	instance ()

Protected Member Functions
	QgsCRSCache ()

Private Attributes
QHash< QString, QgsCoordinateReferenceSystem >	mCRS
QgsCoordinateReferenceSystem	mInvalidCRS
	CRS that is not initialised (returned in case of error)

Detailed Description

Definition at line 48 of file qgscrscache.h.

Constructor & Destructor Documentation

QgsCRSCache::~QgsCRSCache

(

)

Definition at line 95 of file qgscrscache.cpp.

QgsCRSCache::QgsCRSCache ( )

protected

Definition at line 91 of file qgscrscache.cpp.

Member Function Documentation

const QgsCoordinateReferenceSystem & QgsCRSCache::crsByAuthId

(

const QString &

authid

)

Returns the CRS for authid, e.g.

'EPSG:4326' (or an invalid CRS in case of error)

Definition at line 114 of file qgscrscache.cpp.

References QgsCoordinateReferenceSystem::createFromOgcWmsCrs(), mCRS, and mInvalidCRS.

Referenced by crsByEpsgId(), QgsMapCanvas::getDatumTransformInfo(), QgsCoordinateTransform::initialise(), and QgsCoordinateReferenceSystem::validate().

const QgsCoordinateReferenceSystem & QgsCRSCache::crsByEpsgId

(

long

epsg

)

Definition at line 132 of file qgscrscache.cpp.

References crsByAuthId().

QgsCRSCache * QgsCRSCache::instance ( )

static

Definition at line 85 of file qgscrscache.cpp.

Referenced by QgsMapCanvas::getDatumTransformInfo(), QgsCoordinateTransform::initialise(), QgsCoordinateReferenceSystem::readXML(), updateCRSCache(), and QgsCoordinateReferenceSystem::validate().

void QgsCRSCache::updateCRSCache

(

const QString &

authid

)

Definition at line 99 of file qgscrscache.cpp.

References QgsCoordinateReferenceSystem::createFromOgcWmsCrs(), instance(), and mCRS.

Member Data Documentation

QHash< QString, QgsCoordinateReferenceSystem > QgsCRSCache::mCRS

private

Definition at line 63 of file qgscrscache.h.

Referenced by crsByAuthId(), and updateCRSCache().

QgsCoordinateReferenceSystem QgsCRSCache::mInvalidCRS

private

CRS that is not initialised (returned in case of error)

Definition at line 65 of file qgscrscache.h.

Referenced by crsByAuthId().

---

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/qgscrscache.h
• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/qgscrscache.cpp