CzmlDataSource

new Cesium.CzmlDataSource(name)
DataSources/CzmlDataSource.js 2223

A DataSource which processes CZML.
Name Type Description
name String optional An optional name for the data source. This value will be overwritten if a loaded document contains a name.
Demo:

Members

staticCesium.CzmlDataSource.updaters : Array
DataSources/CzmlDataSource.js 2361

Gets the array of CZML processing functions.

changedEvent : Event
DataSources/CzmlDataSource.js 2296

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

clock : DataSourceClock
DataSources/CzmlDataSource.js 2266

Gets the clock settings defined by the loaded CZML. If no clock is explicitly defined in the CZML, the combined availability of all objects is returned. If only static data exists, this value is undefined.

clustering : EntityCluster
DataSources/CzmlDataSource.js 2341

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

entities : EntityCollection
DataSources/CzmlDataSource.js 2276

Gets the collection of Entity instances.

errorEvent : Event
DataSources/CzmlDataSource.js 2306

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

isLoading : Boolean
DataSources/CzmlDataSource.js 2286

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

loadingEvent : Event
DataSources/CzmlDataSource.js 2316

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

name : String
DataSources/CzmlDataSource.js 2254

Gets a human-readable name for this instance.

show : Boolean
DataSources/CzmlDataSource.js 2326

Gets whether or not this data source should be displayed.

Methods

staticCesium.CzmlDataSource.load(czml, options) → Promise.<CzmlDataSource>
DataSources/CzmlDataSource.js 2244

Creates a Promise to a new instance loaded with the provided CZML data.
Name Type Description
czml Resource | String | Object A url or CZML object to be processed.
options Object optional An object with the following properties:
Name Type Description
sourceUri Resource | String optional Overrides the url to use for resolving relative links.
Returns:
A promise that resolves to the new instance once the data is processed.

staticCesium.CzmlDataSource.processMaterialPacketData(object, propertyName, packetData, interval, sourceUri, entityCollection)
DataSources/CzmlDataSource.js 2449

A helper function used by custom CZML updater functions which creates or updates a MaterialProperty from a CZML packet.
Name Type Description
object Object The object on which the property will be added or updated.
propertyName String The name of the property on the object.
packetData Object The CZML packet being processed.
interval TimeInterval A constraining interval for which the data is valid.
sourceUri String The originating uri of the data being processed.
entityCollection EntityCollection The collection being processsed.

staticCesium.CzmlDataSource.processPacketData(type, object, propertyName, packetData, interval, sourceUri, entityCollection)
DataSources/CzmlDataSource.js 2421

A helper function used by custom CZML updater functions which creates or updates a Property from a CZML packet.
Name Type Description
type function The constructor function for the property being processed.
object Object The object on which the property will be added or updated.
propertyName String The name of the property on the object.
packetData Object The CZML packet being processed.
interval TimeInterval A constraining interval for which the data is valid.
sourceUri String The originating uri of the data being processed.
entityCollection EntityCollection The collection being processsed.

staticCesium.CzmlDataSource.processPositionPacketData(object, propertyName, packetData, interval, sourceUri, entityCollection)
DataSources/CzmlDataSource.js 2435

A helper function used by custom CZML updater functions which creates or updates a PositionProperty from a CZML packet.
Name Type Description
object Object The object on which the property will be added or updated.
propertyName String The name of the property on the object.
packetData Object The CZML packet being processed.
interval TimeInterval A constraining interval for which the data is valid.
sourceUri String The originating uri of the data being processed.
entityCollection EntityCollection The collection being processsed.

load(czml, options) → Promise.<CzmlDataSource>
DataSources/CzmlDataSource.js 2404

Loads the provided url or CZML object, replacing any existing data.
Name Type Description
czml Resource | String | Object A url or CZML object to be processed.
options Object optional An object with the following properties:
Name Type Description
sourceUri String optional Overrides the url to use for resolving relative links.
Returns:
A promise that resolves to this instances once the data is processed.

process(czml, options) → Promise.<CzmlDataSource>
DataSources/CzmlDataSource.js 2392

Processes the provided url or CZML object without clearing any existing data.
Name Type Description
czml Resource | String | Object A url or CZML object to be processed.
options Object optional An object with the following properties:
Name Type Description
sourceUri String optional Overrides the url to use for resolving relative links.
Returns:
A promise that resolves to this instances once the data is processed.