AttributeColorInfo

AMD: require(["esri/renderers/support/AttributeColorInfo"], (AttributeColorInfo) => { /* code goes here */ });
ESM: import AttributeColorInfo from "@arcgis/core/renderers/support/AttributeColorInfo";
Class: esri/renderers/support/AttributeColorInfo
Inheritance: AttributeColorInfo Accessor
Since: ArcGIS API for JavaScript 4.11

Defines the symbology for a DotDensityRenderer in the renderer's attributes property.

See also:
Example:
renderer.attributes = [{
  field: "POPULATION",
  label: "Population (2019)",
  color: "gray"
}];

Constructors

new AttributeColorInfo(properties)
Parameter:
properties Object
optional

See the properties for a list of all the properties that may be passed into the constructor.

Example:
// Typical usage in a dot density renderer
renderer.attributes = [{
  field: "Population",
  color: "black"
}];

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
Show inherited properties Hide inherited properties
Name Type Summary Class
Colormore details

The color used to render dots representing the given field.

more detailsAttributeColorInfo
Stringmore details

The name of the class.

more detailsAccessor
Stringmore details

The name of the numeric attribute field to represent with dots with the reference dot value provided to the DotDensityRenderer.

more detailsAttributeColorInfo
Stringmore details

The label used to describe the field or attribute in the Legend widget.

more detailsAttributeColorInfo
Stringmore details

An Arcade expression evaluating to a number.

more detailsAttributeColorInfo
Stringmore details

The title identifying and describing the associated Arcade expression as defined in the valueExpression property.

more detailsAttributeColorInfo

Property Details

Autocasts from Number[]|String|Object

The color used to render dots representing the given field.

declaredClass Stringreadonly inherited

The name of the class. The declared class name is formatted as esri.folder.className.

field String

The name of the numeric attribute field to represent with dots with the reference dot value provided to the DotDensityRenderer.

label String

The label used to describe the field or attribute in the Legend widget.

valueExpression String

An Arcade expression evaluating to a number. This expression can reference field values using the $feature global variable and perform mathematical calculations and logical evaluations at runtime. The values returned from this expression are the data used to drive the visualization. This takes precedence over field. Therefore, this property is typically used as an alternative to field.

See also:
valueExpressionTitle String

The title identifying and describing the associated Arcade expression as defined in the valueExpression property. This is displayed as the label of the attribute in the Legend in the absence of one provided in the label property.

Method Overview

Name Return Type Summary Class
AttributeColorInfomore details

Creates a deep clone of this object.

more detailsAttributeColorInfo
*more details

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product.

more detailsAttributeColorInfo
Objectmore details

Converts an instance of this class to its ArcGIS portal JSON representation.

more detailsAttributeColorInfo

Method Details

Creates a deep clone of this object.

Returns:
Type Description
AttributeColorInfo A deep clone of the object that invoked this method.
Example:
// Creates a deep clone of the renderer's first attribute object.
let attributeColorInfo = renderer.attributes[0].clone();
fromJSON(json){*}static

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.

Parameter:
json Object

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:
Type Description
* Returns a new instance of this class.
toJSON(){Object}

Converts an instance of this class to its ArcGIS portal JSON representation. See the Using fromJSON() guide topic for more information.

Returns:
Type Description
Object The ArcGIS portal JSON representation of an instance of this class.

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