OpacityStop

AMD: require(["esri/renderers/visualVariables/support/OpacityStop"], (OpacityStop) => { /* code goes here */ });
ESM: import OpacityStop from "@arcgis/core/renderers/visualVariables/support/OpacityStop";
Class: esri/renderers/visualVariables/support/OpacityStop
Inheritance: OpacityStop Accessor
Since: ArcGIS Maps SDK for JavaScript 4.10

Defines an opacity stop used for creating a continuous opacity visualization in a opacity visual variable.

See also

Constructors

new OpacityStop(properties)
Parameter
properties Object
optional

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

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
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Name Type Summary Class
String

The name of the class.

more details
Accessor
String

A string value used to label the stop in the Legend.

more details
OpacityStop
Number

The opacity value (between 0.0 and 1.0) used to render features with the given value.

more details
OpacityStop
Number

Specifies the data value to map to the given opacity value.

more details
OpacityStop

Property Details

declaredClass Stringreadonly inherited

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

label String

A string value used to label the stop in the Legend.

opacity Numberautocast
Autocasts from Number[]|String|Object

The opacity value (between 0.0 and 1.0) used to render features with the given value.

value Number

Specifies the data value to map to the given opacity value.

Method Overview

Show inherited methods Hide inherited methods
Name Return Type Summary Class

Adds one or more handles which are to be tied to the lifecycle of the object.

more details
Accessor
OpacityStop

Creates a deep clone of the OpacityStop.

more details
OpacityStop
*

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

more details
OpacityStop
Boolean

Returns true if a named group of handles exist.

more details
Accessor

Removes a group of handles owned by the object.

more details
Accessor
Object

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

more details
OpacityStop

Method Details

addHandles(handleOrHandles, groupKey)inherited
Since: ArcGIS Maps SDK for JavaScript 4.25

Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.

// Manually manage handles
const handle = reactiveUtils.when(
  () => !view.updating,
  () => {
    wkidSelect.disabled = false;
  },
  { once: true }
);

// Handle gets removed when the object is destroyed.
this.addHandles(handle);
Parameters
handleOrHandles WatchHandle|WatchHandle[]

Handles marked for removal once the object is destroyed.

groupKey *
optional

Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.

clone(){OpacityStop}

Creates a deep clone of the OpacityStop.

Returns
Type Description
OpacityStop A deep clone of the opacity stop that invoked this method.
Example
// Creates a deep clone of the visual variable
const stops = renderer.visualVariables[0].stops.map(function(stop){
  return stop.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.
hasHandles(groupKey){Boolean}inherited
Since: ArcGIS Maps SDK for JavaScript 4.25

Returns true if a named group of handles exist.

Parameter
groupKey *
optional

A group key.

Returns
Type Description
Boolean Returns true if a named group of handles exist.
Example
// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
  obj.removeHandles("watch-view-updates");
}
removeHandles(groupKey)inherited
Since: ArcGIS Maps SDK for JavaScript 4.25

Removes a group of handles owned by the object.

Parameter
groupKey *
optional

A group key or an array or collection of group keys to remove.

Example
obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");
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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