BuildingSublayer | API Reference | ArcGIS Maps SDK for JavaScript 4.31

BuildingSublayer is the base class for sublayers of a BuildingSceneLayer. It can be either a BuildingGroupSublayer which contains nested BuildingSublayers or a BuildingComponentSublayer, which is a layer similar to a 3DObject SceneLayer for one component of the building.

See also

Property Overview

Any properties can be set, retrieved or listened to. See the Watch for changes topic.

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Type	Summary	Class
String	The name of the class.	Accessor
Number	The sublayer's layer id as defined by the Scene Service.	BuildingSublayer
Boolean	Indicates if this sublayer is empty.	BuildingSublayer
String	The modelName is a standard name for each sublayer.	BuildingSublayer
Number	Opacity of the sublayer.	BuildingSublayer
String	The title of the sublayer used to identify it in places such as the LayerList and Legend widgets.	BuildingSublayer
Boolean	Indicates if the sublayer is visible in the view.	BuildingSublayer

Property Details

declaredClass Inherited Property declaredClass Stringreadonly Inherited from Accessor

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

id Property id Numberreadonly

The sublayer's layer id as defined by the Scene Service.

isEmpty Property isEmpty Booleanreadonly

Indicates if this sublayer is empty. This property is only read from the service. Empty sublayers are not loaded for rendering and applications can choose to hide them in their UI.

modelName Property modelName Stringreadonly

The modelName is a standard name for each sublayer. For example the sublayer containing the doors in a building has the modelName "Doors". Use this property to retrieve sublayers in a BuildingSceneLayer.

Example

// use modelName to identify a sublayer
const doorslayer = buildingSceneLayer.allSublayers.find(function(sublayer) {
  return sublayer.modelName === "Doors";
});

opacity Property opacity Number

Opacity of the sublayer.

Default Value:1

title Property title String

The title of the sublayer used to identify it in places such as the LayerList and Legend widgets.

visible Property visible Boolean

Indicates if the sublayer is visible in the view.

Default Value:true

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 Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, addHandles added at 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 }
);

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 Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 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 Inherited Method removeHandles(groupKey) Inherited from Accessor Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 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");