CustomDataSource

CustomDataSource

new Ditap.CustomDataSource(name)

A DataSource implementation which can be used to manually manage a group of entities.

Name	Type	Description
`name`	string	optional A human-readable name for this instance.

Example:

const dataSource = new Ditap.CustomDataSource('myData');

const entity = dataSource.entities.add({
   position : Ditap.Cartesian3.fromDegrees(1, 2, 0),
   billboard : {
       image : 'image.png'
   }
});

viewer.dataSources.add(dataSource);

Members

changedEvent : Event

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

clock : DataSourceClock

Gets or sets the clock for this instance.

clustering : EntityCluster

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

entities : EntityCollection

Gets the collection of Entity instances.

errorEvent : Event

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

isLoading : boolean

Gets or sets whether the data source is currently loading data.

loadingEvent : Event

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

name : string

Gets or sets a human-readable name for this instance.

show : boolean

Gets whether or not this data source should be displayed.

Methods

update(time) → boolean

Updates the data source to the provided time. This function is optional and is not required to be implemented. It is provided for data sources which retrieve data based on the current animation time or scene state. If implemented, update will be called by DataSourceDisplay once a frame.

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.