Class MyLocationLayer

A layer to display a symbol for own location

Inheritance
object
BaseLayer
MyLocationLayer
Implements
Inherited Members
Namespace: Mapsui.UI.Objects
Assembly: Mapsui.UI.Forms.dll
Syntax
public class MyLocationLayer : BaseLayer, ILayer, IAnimatable, INotifyPropertyChanged, IDisposable, IModifyFeatureLayer
Remarks

There are two different symbols for own loaction: one is used when there isn't a change in position (still), and one is used, if the position changes (moving).

Constructors

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MyLocationLayer(MapView)

Initializes a new instance of the MyLocationLayer class.

Declaration
public MyLocationLayer(MapView view)
Parameters
Type Name Description
MapView view

MapView, to which this layer belongs
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MyLocationLayer(MapView, Position)

Initializes a new instance of the MyLocationLayer class with a starting location.

Declaration
public MyLocationLayer(MapView view, Position position)
Parameters
Type Name Description
MapView view

MapView, to which this layer belongs
Position position

Position, where to start
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MyLocationLayer(MapView)

Initializes a new instance of the MyLocationLayer class.

Declaration
public MyLocationLayer(MapView view)
Parameters
Type Name Description
MapView view

MapView, to which this layer belongs
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MyLocationLayer(MapView, Position)

Initializes a new instance of the MyLocationLayer class with a starting location.

Declaration
public MyLocationLayer(MapView view, Position position)
Parameters
Type Name Description
MapView view

MapView, to which this layer belongs
Position position

Position, where to start

Properties

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CalloutText

The text that is displayed in the MyLocation callout (can contain line breaks).

Declaration
public string CalloutText { get; set; }
Property Value
Type Description
string
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Direction

Movement direction of device at location

Declaration
public double Direction { get; }
Property Value
Type Description
double

Direction at location
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IsMoving

Should be moving arrow or round circle displayed

Declaration
public bool IsMoving { get; set; }
Property Value
Type Description
bool
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MyLocation

Position of location, that is displayed

Declaration
public Position MyLocation { get; }
Property Value
Type Description
Position

Position of location
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Scale

Scale of symbol

Declaration
public double Scale { get; set; }
Property Value
Type Description
double

Scale of symbol
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ShowCallout

Show or hide a callout with further infos next to the MyLocation symbol.

Declaration
public bool ShowCallout { get; set; }
Property Value
Type Description
bool
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ViewingDirection

Viewing direction of device (in degrees wrt. north direction)

Declaration
public double ViewingDirection { get; }
Property Value
Type Description
double

Direction at location

Methods

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Dispose(bool)

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
bool disposing
Overrides
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GetFeatures(MRect, double)

Get all features in a given MRect for a given resolution

Declaration
public override IEnumerable<IFeature> GetFeatures(MRect box, double resolution)
Parameters
Type Name Description
MRect box
double resolution

Resolution of viewport
Returns
Type Description
IEnumerable<IFeature>
Overrides
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UpdateAnimations()

Declaration
public override bool UpdateAnimations()
Returns
Type Description
bool

Returns true if animations are running and a graphics update is needed.
Overrides
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UpdateMyDirection(double, double, bool)

Updates my movement direction

Declaration
public void UpdateMyDirection(double newDirection, double newViewportRotation, bool animated = false)
Parameters
Type Name Description
double newDirection

New direction
double newViewportRotation

New viewport rotation
bool animated
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UpdateMyLocation(Position, bool)

Updates my location

Declaration
public void UpdateMyLocation(Position newLocation, bool animated = false)
Parameters
Type Name Description
Position newLocation

New location
bool animated
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UpdateMyLocation(Position, bool)

Updates my location

Declaration
public void UpdateMyLocation(Position newLocation, bool animated = false)
Parameters
Type Name Description
Position newLocation

New location
bool animated
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UpdateMySpeed(double)

Updates my speed

Declaration
public void UpdateMySpeed(double newSpeed)
Parameters
Type Name Description
double newSpeed

New speed
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UpdateMyViewDirection(double, double, bool)

Updates my view direction

Declaration
public void UpdateMyViewDirection(double newDirection, double newViewportRotation, bool animated = false)
Parameters
Type Name Description
double newDirection

New direction
double newViewportRotation

New viewport rotation
bool animated

true if animated

Events

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Clicked

This event is triggered whenever the MyLocation symbol or label is clicked.

Declaration
public event EventHandler<DrawableClickedEventArgs>? Clicked
Event Type
Type Description
EventHandler<DrawableClickedEventArgs>

Implements