Class ARSceneView

The Augmented Reality-enabled SceneView control

Inheritance
Object
ARSceneView
Namespace: Esri.ArcGISRuntime.ARToolkit.Maui
Assembly: Esri.ArcGISRuntime.ARToolkit.Maui.dll
Syntax
public class ARSceneView : Maui.SceneView, IARSceneView

Constructors

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ARSceneView()

Initializes a new instance of the ARSceneView class.

Declaration
public ARSceneView()

Fields

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ClippingDistanceProperty

Identifies the ClippingDistance bindable property.

Declaration
public static readonly BindableProperty ClippingDistanceProperty
Field Value
Type Description
BindableProperty
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LocationDataSourceProperty

Identifies the LocationDataSource bindable property.

Declaration
public static readonly BindableProperty LocationDataSourceProperty
Field Value
Type Description
BindableProperty
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NorthAlignProperty

Identifies the NorthAlign bindable property.

Declaration
public static readonly BindableProperty NorthAlignProperty
Field Value
Type Description
BindableProperty
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OriginCameraProperty

Identifies the OriginCamera bindable property.

Declaration
public static readonly BindableProperty OriginCameraProperty
Field Value
Type Description
BindableProperty
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RenderPlanesProperty

Identifies the RenderPlanes bindable property.

Declaration
public static readonly BindableProperty RenderPlanesProperty
Field Value
Type Description
BindableProperty
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RenderVideoFeedProperty

Identifies the RenderVideoFeed bindable property.

Declaration
public static readonly BindableProperty RenderVideoFeedProperty
Field Value
Type Description
BindableProperty
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TranslationFactorProperty

Identifies the TranslationFactor bindable property.

Declaration
public static readonly BindableProperty TranslationFactorProperty
Field Value
Type Description
BindableProperty

Properties

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ClippingDistance

Gets or sets the clipping distance from the origin camera, beyond which data will not be displayed. Defaults to 0.0. When set to 0.0, there is no clipping distance; all data is displayed.

Declaration
public double ClippingDistance { get; set; }
Property Value
Type Description
Double
Remarks

You can use clipping distance to limit the display of data in world-scale AR or clip data for tabletop AR.

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InitialTransformation

Gets the initial transformation used for a table top experience. Defaults to the Identity Matrix.

Declaration
public Mapping.TransformationMatrix InitialTransformation { get; }
Property Value
Type Description
Mapping.TransformationMatrix
See Also
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LocationDataSource

The data source used to get device location. Used either in conjuction with device camera tracking data or when device camera tracking is not present or not being used.

Declaration
public LocationDataSource LocationDataSource { get; set; }
Property Value
Type Description
LocationDataSource
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NorthAlign

Gets or sets a value indicating whether the scene should attempt to use the device compass to align the scene towards north.

Declaration
public bool NorthAlign { get; set; }
Property Value
Type Description
Boolean
Remarks

Note that the accuracy of the compass can heavily affect the quality of alignment.

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OriginCamera

Gets or sets the viewpoint camera used to set the initial view of the sceneView instead of the device's GPS location via the location data source.

Declaration
public Mapping.Camera OriginCamera { get; set; }
Property Value
Type Description
Mapping.Camera
See Also
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RenderPlanes

Gets or sets a value indicating whether to render planes that's been detected

Declaration
public bool RenderPlanes { get; set; }
Property Value
Type Description
Boolean
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RenderVideoFeed

Gets or sets a value indicating whether the background of the ARSceneView is transparent or not. Enabling transparency allows for the camera feed to be visible underneath the ARSceneView.

Declaration
public bool RenderVideoFeed { get; set; }
Property Value
Type Description
Boolean
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TranslationFactor

Gets or sets translation factor used to support a table top AR experience.

Declaration
public double TranslationFactor { get; set; }
Property Value
Type Description
Double
Remarks

A value of 1 means if the device 1 meter in the real world, it'll move 1 m in the AR world. Set this to 1000 to make 1 m meter 1km in the AR world.

Methods

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ARScreenToLocation(Point)

Determines the map point for the given screen point hittesting any surface in the scene.

Declaration
public Geometry.MapPoint? ARScreenToLocation(Point screenPoint)
Parameters
Type Name Description
Point screenPoint

The point in screen coordinates.
Returns
Type Description
Nullable<Geometry.MapPoint>

The map point corresponding to screenPoint.
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ResetTracking()

Resets the device tracking, using OriginCamera if it's not null or the device's GPS location via the location data source.

Declaration
public void ResetTracking()
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SetInitialTransformation(Mapping.TransformationMatrix)

Sets the initial transformation used to offset the OriginCamera.

Declaration
public void SetInitialTransformation(Mapping.TransformationMatrix transformationMatrix)
Parameters
Type Name Description
Mapping.TransformationMatrix transformationMatrix

Initial transformation matrix
See Also
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SetInitialTransformation(Point)

Sets the initial transformation used to offset the OriginCamera. The initial transformation is based on an AR point determined via existing plane hit detection from screenLocation.

Declaration
public bool SetInitialTransformation(Point screenLocation)
Parameters
Type Name Description
Point screenLocation

The screen point to determine the InitialTransformation from.
Returns
Type Description
Boolean

if an AR point cannot be determined, this method will return false.
See Also
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StartTrackingAsync(ARLocationTrackingMode)

Starts device tracking.

Declaration
public Task StartTrackingAsync(ARLocationTrackingMode locationTrackingMode = ARLocationTrackingMode.Ignore)
Parameters
Type Name Description
ARLocationTrackingMode locationTrackingMode
Returns
Type Description
Task
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StopTrackingAsync()

Suspends device tracking.

Declaration
public Task StopTrackingAsync()
Returns
Type Description
Task

Events

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OriginCameraChanged

Raised when the OriginCamera has changed

Declaration
public event EventHandler? OriginCameraChanged
Event Type
Type Description
Nullable<EventHandler>
See Also
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PlanesDetectedChanged

Raises an event indicating whether horizontal planes are currently detected or not

Declaration
public event EventHandler<bool>? PlanesDetectedChanged
Event Type
Type Description
Nullable<EventHandler<Boolean>>

Explicit Interface Implementations

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IARSceneView.OnOriginCameraChanged()

Declaration
void IARSceneView.OnOriginCameraChanged()
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IARSceneView.OnPlanesDetectedChanged(Boolean)

Declaration
void IARSceneView.OnPlanesDetectedChanged(bool planesDetected)
Parameters
Type Name Description
Boolean planesDetected

Implements