Class ObjectCountLabeler

Labeler which produces object counts for each label in the associated IdLabelConfig each frame.

Inheritance
Object
CameraLabeler
ObjectCountLabeler
Inherited Members
Namespace: UnityEngine.Perception.GroundTruth
Syntax
[Serializable]
public sealed class ObjectCountLabeler : CameraLabeler

Constructors

ObjectCountLabeler()

Creates a new ObjectCountLabeler. This constructor should only be used by serialization. For creation from user code, use ObjectCountLabeler(IdLabelConfig).

Declaration
public ObjectCountLabeler()

ObjectCountLabeler(IdLabelConfig)

Creates a new ObjectCountLabeler with the given IdLabelConfig.

Declaration
public ObjectCountLabeler(IdLabelConfig labelConfig)
Parameters
Type Name Description
IdLabelConfig labelConfig

The label config for resolving the label for each object.

Fields

objectCountMetricId

The ID to use for object count annotations in the resulting dataset

Declaration
public string objectCountMetricId
Field Value
Type Description
String

Properties

description

A human-readable description of the labeler

Declaration
public override string description { get; protected set; }
Property Value
Type Description
String
Overrides

labelConfig

The IdLabelConfig which associates objects with labels.

Declaration
public IdLabelConfig labelConfig { get; }
Property Value
Type Description
IdLabelConfig

supportsVisualization

Labelers should set this in their setup to define if they support realtime visualization of their data.

Declaration
protected override bool supportsVisualization { get; }
Property Value
Type Description
Boolean
Overrides

Methods

OnBeginRendering()

Called just before the camera renders each frame the the labeler is enabled and ShouldCaptureThisFrame is true.

Declaration
protected override void OnBeginRendering()
Overrides

OnVisualizerEnabledChanged(Boolean)

Called when the labeler's visualization capability is turned on or off.

Declaration
protected override void OnVisualizerEnabledChanged(bool enabled)
Parameters
Type Name Description
Boolean enabled
Overrides

Setup()

Called just before the first call to OnUpdate() or OnBeginRendering(). Implement this to initialize state.

Declaration
protected override void Setup()
Overrides

Events

ObjectCountsComputed

Fired when the object counts are computed for a frame.

Declaration
public event Action<int, NativeSlice<uint>, IReadOnlyList<IdLabelEntry>> ObjectCountsComputed
Event Type
Type Description
Action<Int32, NativeSlice<UInt32>, IReadOnlyList<IdLabelEntry>>