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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QGeoProjection Class Referenceabstract

#include <qgeoprojection_p.h>

Inheritance diagram for QGeoProjection:
Collaboration diagram for QGeoProjection:

Public Types

enum  ProjectionGroup {
  ProjectionOther , ProjectionCylindrical , ProjectionPseudocylindrical , ProjectionAzimuthal ,
  ProjectionPseudoazimuthal , ProjectionConic , ProjectionPseudoconic
}
enum  Datum { DatumUnknown , DatumWGS84 , DatumSphere }
enum  ProjectionType { ProjectionUnknown , ProjectionGeneralPerspective , ProjectionWebMercator }

Public Member Functions

 QGeoProjection ()
virtual ~QGeoProjection ()
virtual void setVisibleArea (const QRectF &visibleArea)=0
virtual void setViewportSize (const QSize &sizesize)=0
virtual void setCameraData (const QGeoCameraData &cameraData, bool force=true)=0
virtual QGeoCameraData cameraData () const =0
virtual double minimumZoom () const =0
virtual double maximumCenterLatitudeAtZoom (const QGeoCameraData &cameraData) const =0
virtual double minimumCenterLatitudeAtZoom (const QGeoCameraData &cameraData) const =0
virtual QGeoCoordinate itemPositionToCoordinate (const QDoubleVector2D &pos, bool clipToViewport=true) const =0
virtual QDoubleVector2D coordinateToItemPosition (const QGeoCoordinate &coordinate, bool clipToViewport=true) const =0
virtual ProjectionGroup projectionGroup () const =0
virtual Datum datum () const =0
virtual ProjectionType projectionType () const =0
virtual QGeoCoordinate anchorCoordinateToPoint (const QGeoCoordinate &coordinate, const QPointF &anchorPoint) const
virtual QGeoShape visibleRegion () const
virtual bool setBearing (qreal bearing, const QGeoCoordinate &coordinate)
virtual QMatrix4x4 projectionTransformation () const =0
virtual QMatrix4x4 projectionTransformation_centered () const =0
virtual const QMatrix4x4 & qsgTransform () const =0
virtual QDoubleVector3D centerMercator () const =0
void setItemToWindowTransform (const QTransform &itemToWindowTransform)
virtual QTransform itemToWindowTransform () const

Public Attributes

QTransform m_itemToWindowTransform
bool m_qsgTransformDirty = true

Detailed Description

Definition at line 31 of file qgeoprojection_p.h.

Member Enumeration Documentation

◆ Datum

enum QGeoProjection::Datum
Enumerator
DatumUnknown 
DatumWGS84 
DatumSphere 

Definition at line 46 of file qgeoprojection_p.h.

◆ ProjectionGroup

enum QGeoProjection::ProjectionGroup
Enumerator
ProjectionOther 
ProjectionCylindrical 
ProjectionPseudocylindrical 
ProjectionAzimuthal 
ProjectionPseudoazimuthal 
ProjectionConic 
ProjectionPseudoconic 

Definition at line 34 of file qgeoprojection_p.h.

◆ ProjectionType

enum QGeoProjection::ProjectionType
Enumerator
ProjectionUnknown 
ProjectionGeneralPerspective 
ProjectionWebMercator 

Definition at line 52 of file qgeoprojection_p.h.

Constructor & Destructor Documentation

◆ QGeoProjection()

QT_BEGIN_NAMESPACE QGeoProjection::QGeoProjection ( )

Definition at line 63 of file qgeoprojection.cpp.

◆ ~QGeoProjection()

QGeoProjection::~QGeoProjection ( )
virtual

Definition at line 68 of file qgeoprojection.cpp.

Member Function Documentation

◆ anchorCoordinateToPoint()

QGeoCoordinate QGeoProjection::anchorCoordinateToPoint ( const QGeoCoordinate & coordinate,
const QPointF & anchorPoint ) const
virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 73 of file qgeoprojection.cpp.

◆ cameraData()

virtual QGeoCameraData QGeoProjection::cameraData ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ centerMercator()

virtual QDoubleVector3D QGeoProjection::centerMercator ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ coordinateToItemPosition()

virtual QDoubleVector2D QGeoProjection::coordinateToItemPosition ( const QGeoCoordinate & coordinate,
bool clipToViewport = true ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ datum()

virtual Datum QGeoProjection::datum ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ itemPositionToCoordinate()

virtual QGeoCoordinate QGeoProjection::itemPositionToCoordinate ( const QDoubleVector2D & pos,
bool clipToViewport = true ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ itemToWindowTransform()

QTransform QGeoProjection::itemToWindowTransform ( ) const
virtual

Definition at line 100 of file qgeoprojection.cpp.

◆ maximumCenterLatitudeAtZoom()

virtual double QGeoProjection::maximumCenterLatitudeAtZoom ( const QGeoCameraData & cameraData) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ minimumCenterLatitudeAtZoom()

virtual double QGeoProjection::minimumCenterLatitudeAtZoom ( const QGeoCameraData & cameraData) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ minimumZoom()

virtual double QGeoProjection::minimumZoom ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ projectionGroup()

virtual ProjectionGroup QGeoProjection::projectionGroup ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ projectionTransformation()

virtual QMatrix4x4 QGeoProjection::projectionTransformation ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ projectionTransformation_centered()

virtual QMatrix4x4 QGeoProjection::projectionTransformation_centered ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ projectionType()

virtual ProjectionType QGeoProjection::projectionType ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ qsgTransform()

virtual const QMatrix4x4 & QGeoProjection::qsgTransform ( ) const
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ setBearing()

bool QGeoProjection::setBearing ( qreal bearing,
const QGeoCoordinate & coordinate )
virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 85 of file qgeoprojection.cpp.

◆ setCameraData()

virtual void QGeoProjection::setCameraData ( const QGeoCameraData & cameraData,
bool force = true )
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ setItemToWindowTransform()

void QGeoProjection::setItemToWindowTransform ( const QTransform & itemToWindowTransform)

Definition at line 92 of file qgeoprojection.cpp.

◆ setViewportSize()

virtual void QGeoProjection::setViewportSize ( const QSize & size)
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ setVisibleArea()

virtual void QGeoProjection::setVisibleArea ( const QRectF & visibleArea)
pure virtual

Implemented in QGeoProjectionWebMercator.

◆ visibleRegion()

QGeoShape QGeoProjection::visibleRegion ( ) const
virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 80 of file qgeoprojection.cpp.

Member Data Documentation

◆ m_itemToWindowTransform

QTransform QGeoProjection::m_itemToWindowTransform

Definition at line 92 of file qgeoprojection_p.h.

◆ m_qsgTransformDirty

bool QGeoProjection::m_qsgTransformDirty = true
mutable

Definition at line 93 of file qgeoprojection_p.h.

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