LevelLayerInfo

AMD: require(["esri/layers/support/LevelLayerInfo"], (LevelLayerInfo) => { /* code goes here */ });
ESM: import LevelLayerInfo from "@arcgis/core/layers/support/LevelLayerInfo";
Class: esri/layers/support/LevelLayerInfo
Inheritance: LevelLayerInfo Accessor
Since: ArcGIS Maps SDK for JavaScript 4.19

The LevelLayerInfo class describes the footprint of each occupiable floor contained in a managed facility. The FloorFilter widget uses this class to identify what floor levels exist in the layer to use for filtering.

See also

Constructors

new LevelLayerInfo(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

The field name from the layer that defines the unique ID of a feature's associated facility.

more details
LevelLayerInfo
String

The id for an operational layer in the map.

more details
LevelLayerInfo
String

The field name from the layer that defines a unique ID for the feature.

more details
LevelLayerInfo
String

The field name from the layer that defines the level floor number in a particular facility.

more details
LevelLayerInfo
String

The field name from the layer that defines the level name of a feature.

more details
LevelLayerInfo
String

The field name from the layer that defines the level short name of a feature.

more details
LevelLayerInfo
Number

This value references the numeric ID of the sublayer if the Level layer is a map service sublayer instead of a feature layer.

more details
LevelLayerInfo
String

The field name from the layer that defines the order of display and reference to floors in the Indoor Positioning System.

more details
LevelLayerInfo

Property Details

declaredClass Stringreadonly inherited

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

facilityIdField String

The field name from the layer that defines the unique ID of a feature's associated facility. This is used to identify the feature's associated facility feature in floor-aware maps. A feature can only be related to a single facility using this field.

layerId String

The id for an operational layer in the map. This allows LevelLayerInfo to refer to an operational layer that contains level features. When configuring a floor-aware map manually, as opposed to configuring it in ArcGIS Pro, this value needs to be set with the ID value from the appropriate Layer object, whether a FeatureLayer or SceneLayer.

levelIdField String

The field name from the layer that defines a unique ID for the feature.

levelNumberField String

The field name from the layer that defines the level floor number in a particular facility.

longNameField String

The field name from the layer that defines the level name of a feature. The level name is used to support floor filtering in floor-aware apps.

shortNameField String

The field name from the layer that defines the level short name of a feature. The level short name supports floor filtering in floor-aware apps. Some floor-aware apps only display a short name in the floor filter, others may use the longNameField or allow toggling between the two.

sublayerId Number

This value references the numeric ID of the sublayer if the Level layer is a map service sublayer instead of a feature layer.

verticalOrderField String

The field name from the layer that defines the order of display and reference to floors in the Indoor Positioning System. It uses a zero-based ordering system to define the floor order. The ground level of each facility is represented as zero. Positive values represent floors above ground, and negative values represent floors below ground. Values must be continuous and a value in the sequence cannot be skipped.

Method Overview

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Name Return Type Summary Class

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

more details
Accessor
*

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

more details
LevelLayerInfo
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
LevelLayerInfo

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.

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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