binLevel | API Reference | ArcGIS Maps SDK for JavaScript 4.31

binLevel

AMD: require(["esri/smartMapping/heuristics/binLevel"], (binLevel) => { /* code goes here */ });

ESM: import binLevel from "@arcgis/core/smartMapping/heuristics/binLevel.js";

Function: esri/smartMapping/heuristics/binLevel

Since: ArcGIS Maps SDK for JavaScript 4.25

Function that suggests a fixedBinLevel in a FeatureReductionBinning visualization.

Known Limitations

Method Overview

Name	Return Type	Summary	Function
	Promise<Number>	Generates a suggested fixedBinLevel for a binning visualization based on the view scale at the time this method is called.	binLevel

binLevel Method binLevel(params){Promise<Number>}

Generates a suggested fixedBinLevel for a binning visualization based on the view scale at the time this method is called.

Parameters

params Object

See the table below for details about parameters that may be passed to this function.

Specification

view MapView

The MapView where the layer will be rendered.

Returns

Type	Description
Promise<Number>	Resolves to the suggested `fixedBinLevel` to apply to the layer at the given view scale. Set this value to the FeatureReductionBinning.fixedBinLevel property.

Example

const fixedBinLevel = await binLevel({ view });
layer.featureReduction = {
  type: "binning",
  fixedBinLevel,
  //  ...otherBinningProperties
};