MapHandler Class Reference

The MapHandler is used to handel the qml map. More...

#include <maphandler.h>

Inheritance diagram for MapHandler:

Signals
void	circleSignal (const QGeoCoordinate &coordinate, QString name, bool used)
	circleSignal Used to create points on the map at the given coordinate
void	adjustMap (const QGeoCoordinate &coordinate)
	adjustMap Used to center the map at the given coordinate
void	createPolyline (const QGeoCoordinate &coordinate)
	emitCreatePolyline Used to add points to the static polyline on the map (And will set the polyline visible)
void	setMapSelect (const QGeoPath &path)
	emitSetMapSelect Used to updated the current user selected polygon on the map
void	setPoint (const int index, bool used)
	emitSetPoint Used to update a points oppacity
void	getMapItems ()
	getMapItems Used to signal that the map needs to return the current map items
void	gpsClicked (QPointF gpsPoint, bool used)
	gpsClicked Signal emitted when a gps points has been clicked
void	gpsSelected (QPolygonF polyF)
	gpsSelected Signal emitted when a new polygon has been selected

Public Member Functions
void	addPoints (const QList< QPair< QPointF, bool > > &m_gpsData)
	addPoints Adds all given gps values as points on the map
void	emitCircleSignal (const QGeoCoordinate &coordinate, QString name, bool used)
	emitCircleSignal Method to emit the corresponding signal
void	emitAdjustMapCenter (const QGeoCoordinate &coordinate)
	emitAdjustMapCenter Method to emit the corresponding signal
void	emitCreatePolyline (const QGeoCoordinate &coordinate)
	emitCreatePolyline method to emit the corresponding signal
void	emitSetMapSelect (const QGeoPath &path)
	emitSetMapSelect Method to emit the corresponding signal
void	emitSetPoint (const int index, bool used)
	emitSetPoint Method to emit the corresponding signal
void	emitGetMapItems ()
	emitGetMapItems Method to emit the corresponding signal
void	drawGpsDataOnMap ()
	draw GPS data onto map.

Private Member Functions
void	newMapItems ()
QPolygonF	geoPolyToPolyF ()
	Converts the current QGeoPolygon to QPolygonF.
QList< QLineF >	geoPolyToLineList ()
QPointF	pointAtGeo (int index)
	Return the QPointF of the current QGeoPolygon at the given index.
QPointF	minDistance (QPointF A, QPointF B, QPointF newPoint)

Private Attributes
QMap< QPointF, bool >	mGpsMap
	GPS points used or not.
QList< QPointF >	mOrderedGpsList
	List of GPS data in the order of acquisition.
QGeoPolygon	mPolygon
	The current polygon.
QSet< QPointF >	mChangedPoints
	Save points that have been change with a new polygon.
QMap< QPointF, int >	mMapItems
	Used to save the item list from the qml map.

Detailed Description

The MapHandler is used to handel the qml map.

Author

Daniel Brommer

Boitumelo Ruf

Member Function Documentation

adjustMap

void MapHandler::adjustMap ( const QGeoCoordinate &  coordinate )

signal

adjustMap Used to center the map at the given coordinate

Parameters

coordinate

Center coordinate

circleSignal

void MapHandler::circleSignal ( const QGeoCoordinate &  coordinate, QString  name, bool  used  )

signal

circleSignal Used to create points on the map at the given coordinate

Parameters

coordinate	Where to place the point
name	ObjectName of the point
used	true if the point is used false otherwise

createPolyline

void MapHandler::createPolyline ( const QGeoCoordinate &  coordinate )

signal

emitCreatePolyline Used to add points to the static polyline on the map (And will set the polyline visible)

Parameters

coordinate

New coordinate added to the polyline

emitAdjustMapCenter()

void MapHandler::emitAdjustMapCenter ( const QGeoCoordinate &  coordinate )

inline

emitAdjustMapCenter Method to emit the corresponding signal

Parameters

coordinate

Center coordinate

emitCircleSignal()

void MapHandler::emitCircleSignal ( const QGeoCoordinate &  coordinate, QString  name, bool  used  )

inline

emitCircleSignal Method to emit the corresponding signal

Parameters

coordinate	Where to place the point
name	ObjectName of the point
used	true if the point is used false otherwise

emitCreatePolyline()

void MapHandler::emitCreatePolyline ( const QGeoCoordinate &  coordinate )

inline

emitCreatePolyline method to emit the corresponding signal

Parameters

coordinate

New coordinate added to the polyline

emitSetMapSelect()

void MapHandler::emitSetMapSelect ( const QGeoPath &  path )

inline

emitSetMapSelect Method to emit the corresponding signal

Parameters

path	QGeoPath with the perimeter of the current polygon

emitSetPoint()

void MapHandler::emitSetPoint ( const int  index, bool  used  )

inline

emitSetPoint Method to emit the corresponding signal

Parameters

index	Index of the point based on the list of map items from the qml map
used	true if the point is used false otherwise

geoPolyToLineList()

QList< QLineF > MapHandler::geoPolyToLineList ( )

private

Disassembles the GeoPolygon to a List of lines (excluding the automatic last line to the start)

gpsClicked

void MapHandler::gpsClicked ( QPointF  gpsPoint, bool  used  )

signal

gpsClicked Signal emitted when a gps points has been clicked

Parameters

gpsPoint	Position of the point
used	true if the point is used AFTER the click false otherwise

gpsSelected

void MapHandler::gpsSelected ( QPolygonF  polyF )

signal

gpsSelected Signal emitted when a new polygon has been selected

Parameters

polyF

The perimeter of the current polygon

minDistance()

QPointF MapHandler::minDistance ( QPointF  A, QPointF  B, QPointF  newPoint  )

private

returns QPoint with x = min distance from line segment (a,b) to newPoint; y = t with nearest point to newPoint at A+t*(B-A)

newMapItems()

void MapHandler::newMapItems ( )

private

Used to update the polygon on the map, signal the gps class the new polygon and change opacity of changed points on the map

setMapSelect

void MapHandler::setMapSelect ( const QGeoPath &  path )

signal

emitSetMapSelect Used to updated the current user selected polygon on the map

Parameters

path	QGeoPath with the perimeter of the current polygon

setPoint

void MapHandler::setPoint ( const int  index, bool  used  )

signal

emitSetPoint Used to update a points oppacity

Parameters

index	Index of the point based on the list of map items from the qml map
used	true if the point is used false otherwise

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

• iVS3D/src/iVS3D-geoMapPlugin/maphandler.h
• iVS3D/src/iVS3D-geoMapPlugin/maphandler.cpp