DiscreteOptions | API Reference | ArcGIS Maps SDK for JavaScript 4.33

Configuration for the discrete visualization of the Shadow Cast widget and component.

See also

Constructors

DiscreteOptions Constructor new DiscreteOptions(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 Watch for changes topic.

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Type	Summary	Class
Color	Color of the shadow visualization.	DiscreteOptions
String	The name of the class.	Accessor
Number	Individual shadows are displayed at this time interval, starting with the start time of day.	DiscreteOptions
Collection<number>	Values (in minutes) selectable in the UI for the interval used to accumulate shadows.	DiscreteOptions

Property Details

color Property color Colorautocast

Color of the shadow visualization. The opacity of the visualization is mapped to the number of overlapping shadows. No shadow corresponds to opacity 0 and maximum number of shadows corresponds to the opacity set in this color value.

Default Value:[50, 50, 50, 0.7]

declaredClass Inherited Property declaredClass Stringreadonly Inherited from Accessor

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

interval Property interval Number

Individual shadows are displayed at this time interval, starting with the start time of day. The interval is expressed in milliseconds. If set to 0, we'll use the smallest possible interval, up to a maximum of 255 samples.

Default Value:1 * 3600 * 1000

intervalOptions Property intervalOptions Collection<number>autocast

Values (in minutes) selectable in the UI for the interval used to accumulate shadows.

Method Overview

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Return Type	Summary	Class
	Adds one or more handles which are to be tied to the lifecycle of the object.	Accessor
Boolean	Returns true if a named group of handles exist.	Accessor
	Removes a group of handles owned by the object.	Accessor

Method Details

addHandles Inherited Method addHandles(handleOrHandles, groupKey) Inherited from Accessor

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 }
);

this.addHandles(handle);

// Destroy the object
this.destroy();

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.

hasHandles Inherited Method hasHandles(groupKey){Boolean} Inherited from Accessor

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 Inherited Method removeHandles(groupKey) Inherited from Accessor

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");