import FeatureReductionSelection from "@arcgis/core/layers/support/FeatureReductionSelection.js";const FeatureReductionSelection = await $arcgis.import("@arcgis/core/layers/support/FeatureReductionSelection.js");- Inheritance:
- FeatureReductionSelection→
Accessor
- Since
- ArcGIS Maps SDK for JavaScript 4.14
Declutters points in the SceneView by thinning overlapping features so no features intersect on screen. Labeling also respects this option and hides labels that would otherwise overlap with the features of this layer.

Known Limitations
- Currently only supported in 3D SceneViews.
- Applies only to non-draped Icon or Text symbol layers and their callouts.
Example
layer.featureReduction = { type: "selection"};Constructors
Constructor
Parameters
| Parameter | Type | Description | Required |
|---|---|---|---|
| properties | | |
Properties
| Property | Type | Class |
|---|---|---|
declaredClass readonly inherited | ||
type readonly | "selection" | |
Methods
fromJSON
- Signature
-
fromJSON (json: any): any
Creates a new instance of this class and initializes it with values from a JSON object
generated from an ArcGIS product. The object passed into the input json
parameter often comes from a response to a query operation in the REST API or a
toJSON()
method from another ArcGIS product. See the Using fromJSON()
topic in the Guide for details and examples of when and how to use this function.
Parameters
| Parameter | Type | Description | Required |
|---|---|---|---|
| json | A JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects. | |
- Returns
- any
Returns a new instance of this class.
toJSON
- Signature
-
toJSON (): any
Converts an instance of this class to its ArcGIS portal JSON representation. See the Using fromJSON() guide topic for more information.
- Returns
- any
The ArcGIS portal JSON representation of an instance of this class.