KmlDataSource

new Cesium.KmlDataSource()
DataSources/KmlDataSource.js 2265

A DataSource which processes Keyhole Markup Language 2.2 (KML).

KML support in Cesium is incomplete, but a large amount of the standard, as well as Google's gx extension namespace, is supported. See Github issue #873 for a detailed list of what is and isn't support. Cesium will also write information to the console when it encounters most unsupported features.

Non visual feature data, such as atom:author and ExtendedData is exposed via an instance of KmlFeatureData, which is added to each Entity under the kml property.

Name Type Description
options.camera Camera The camera that is used for viewRefreshModes and sending camera properties to network links.
options.canvas Canvas The canvas that is used for sending viewer properties to network links.
options.proxy DefaultProxy optional A proxy to be used for loading external data.
Example:
var viewer = new Cesium.Viewer('cesiumContainer');
viewer.dataSources.add(Cesium.KmlDataSource.load('../../SampleData/facilities.kmz'),
     {
         camera: viewer.scene.camera,
         canvas: viewer.scene.canvas
     });
Demo:
See:

Members

changedEvent : Event
DataSources/KmlDataSource.js 2372

Gets an event that will be raised when the underlying data changes.

clock : DataSourceClock
DataSources/KmlDataSource.js 2342

Gets the clock settings defined by the loaded KML. This represents the total availability interval for all time-dynamic data. If the KML does not contain time-dynamic data, this value is undefined.

clustering : EntityCluster
DataSources/KmlDataSource.js 2437

Gets or sets the clustering options for this data source. This object can be shared between multiple data sources.

entities : EntityCollection
DataSources/KmlDataSource.js 2352

Gets the collection of Entity instances.

errorEvent : Event
DataSources/KmlDataSource.js 2382

Gets an event that will be raised if an error is encountered during processing.

isLoading : Boolean
DataSources/KmlDataSource.js 2362

Gets a value indicating if the data source is currently loading data.

loadingEvent : Event
DataSources/KmlDataSource.js 2392

Gets an event that will be raised when the data source either starts or stops loading.

name : String
DataSources/KmlDataSource.js 2330

Gets a human-readable name for this instance. This will be automatically be set to the KML document name on load.

refreshEvent : Event
DataSources/KmlDataSource.js 2402

Gets an event that will be raised when the data source refreshes a network link.

show : Boolean
DataSources/KmlDataSource.js 2422

Gets whether or not this data source should be displayed.

unsupportedNodeEvent : Event
DataSources/KmlDataSource.js 2412

Gets an event that will be raised when the data source finds an unsupported node type.

Methods

staticCesium.KmlDataSource.load(data, options) → Promise.<KmlDataSource>
DataSources/KmlDataSource.js 2317

Creates a Promise to a new instance loaded with the provided KML data.
Name Type Description
data String | Document | Blob A url, parsed KML document, or Blob containing binary KMZ data or a parsed KML document.
options Object optional An object with the following properties:
Name Type Default Description
camera Camera The camera that is used for viewRefreshModes and sending camera properties to network links.
canvas Canvas The canvas that is used for sending viewer properties to network links.
proxy DefaultProxy optional A proxy to be used for loading external data.
sourceUri String optional Overrides the url to use for resolving relative links and other KML network features.
clampToGround Boolean false optional true if we want the geometry features (Polygons, LineStrings and LinearRings) clamped to the ground. If true, lines will use corridors so use Entity.corridor instead of Entity.polyline.
Returns:
A promise that will resolve to a new KmlDataSource instance once the KML is loaded.

load(data, options) → Promise.<KmlDataSource>
DataSources/KmlDataSource.js 2461

Asynchronously loads the provided KML data, replacing any existing data.
Name Type Description
data String | Document | Blob A url, parsed KML document, or Blob containing binary KMZ data or a parsed KML document.
options Object optional An object with the following properties:
Name Type Default Description
sourceUri Number optional Overrides the url to use for resolving relative links and other KML network features.
clampToGround Boolean false optional true if we want the geometry features (Polygons, LineStrings and LinearRings) clamped to the ground. If true, lines will use corridors so use Entity.corridor instead of Entity.polyline.
Returns:
A promise that will resolve to this instances once the KML is loaded.

update(time) → Boolean
DataSources/KmlDataSource.js 2678

Updates any NetworkLink that require updating
Name Type Description
time JulianDate The simulation time.
Returns:
True if this data source is ready to be displayed at the provided time, false otherwise.