NorthArrowController Class

NorthArrowController

class Esri::ArcGISRuntime::Toolkit::NorthArrowController

In MVC architecture, this is the controller for the corresponding NorthArrow view. More...

Header:	#include <NorthArrowController>
Inherits:	QObject

List of all members, including inherited members

Properties

geoView : QObject*
heading : const double

Public Functions

	NorthArrowController(QObject *parent = nullptr)
virtual	~NorthArrowController()
QObject *	geoView() const
double	heading() const
void	setGeoView(QObject *geoView)

Public Slots

void	setHeading(double heading)

Signals

void	geoViewChanged()
void	headingChanged()

Detailed Description

This controller calculates the current heading from a GeoView, and allows the NorthArrow to apply a given heading to the GeoView.

Property Documentation

geoView : QObject*

Access functions:

QObject *	geoView() const
void	setGeoView(QObject *geoView)

Notifier signal:

void	geoViewChanged()

heading : const double

Access functions:

double heading() const

Notifier signal:

void	headingChanged()

Member Function Documentation

NorthArrowController::NorthArrowController(QObject **parent* = nullptr)

Constructor

parent Parent owning QObject.

Note: This function can be invoked via the meta-object system and from QML. See Q_INVOKABLE.

`[signal]` void NorthArrowController::geoViewChanged()

Emitted when the geoView changes.

Note: Notifier signal for property geoView.

`[signal]` void NorthArrowController::headingChanged()

Emitted when the heading changes.

Note: Notifier signal for property heading.

`[slot]` void NorthArrowController::setHeading(double heading)

Set the heading by rotating the MapView or SceneView camera to the given heading (in degrees).

See also heading().

`[virtual]` NorthArrowController::~NorthArrowController()

Destructor.

QObject *NorthArrowController::geoView() const

Returns the GeoView as a QObject.

Note: Getter function for property geoView.

See also setGeoView().

double NorthArrowController::heading() const

Returns the calculated heading of this controller in degrees.

Note: Getter function for property heading.

See also setHeading().

void NorthArrowController::setGeoView(QObject **geoView*)

Set the GeoView object this Controller uses.

Internally this is cast to a MapView or SceneView using qobject_cast, which is why the paremeter is of form QObject and not GeoView.

geoView Object which must inherit from GeoView* and QObject*.

Note: Setter function for property geoView.

See also geoView().