English | 简体中文

TimeIntervalCollectionProperty

new Cesium.TimeIntervalCollectionProperty()
engine/Source/DataSources/TimeIntervalCollectionProperty.js 43

A Property which is defined by a TimeIntervalCollection, where the data property of each TimeInterval represents the value at time.
Example:
//Create a Cartesian2 interval property which contains data on August 1st, 2012
//and uses a different value every 6 hours.
const composite = new Cesium.TimeIntervalCollectionProperty();
composite.intervals.addInterval(Cesium.TimeInterval.fromIso8601({
    iso8601 : '2012-08-01T00:00:00.00Z/2012-08-01T06:00:00.00Z',
    isStartIncluded : true,
    isStopIncluded : false,
    data : new Cesium.Cartesian2(2.0, 3.4)
}));
composite.intervals.addInterval(Cesium.TimeInterval.fromIso8601({
    iso8601 : '2012-08-01T06:00:00.00Z/2012-08-01T12:00:00.00Z',
    isStartIncluded : true,
    isStopIncluded : false,
    data : new Cesium.Cartesian2(12.0, 2.7)
}));
composite.intervals.addInterval(Cesium.TimeInterval.fromIso8601({
    iso8601 : '2012-08-01T12:00:00.00Z/2012-08-01T18:00:00.00Z',
    isStartIncluded : true,
    isStopIncluded : false,
    data : new Cesium.Cartesian2(5.0, 12.4)
}));
composite.intervals.addInterval(Cesium.TimeInterval.fromIso8601({
    iso8601 : '2012-08-01T18:00:00.00Z/2012-08-02T00:00:00.00Z',
    isStartIncluded : true,
    isStopIncluded : true,
    data : new Cesium.Cartesian2(85.0, 4.1)
}));

Members

readonly definitionChanged : Event
engine/Source/DataSources/TimeIntervalCollectionProperty.js 75

Gets the event that is raised whenever the definition of this property changes. The definition is changed whenever setValue is called with data different than the current value.

readonly intervals : TimeIntervalCollection
engine/Source/DataSources/TimeIntervalCollectionProperty.js 87

Gets the interval collection.

readonly isConstant : boolean
engine/Source/DataSources/TimeIntervalCollectionProperty.js 61

Gets a value indicating if this property is constant. A property is considered constant if getValue always returns the same result for the current definition.

Methods

equals(other) → boolean
engine/Source/DataSources/TimeIntervalCollectionProperty.js 122

Compares this property to the provided property and returns true if they are equal, false otherwise.
Name Type Description
other Property optional The other property.
Returns:
true if left and right are equal, false otherwise.

getValue(time, result) → object
engine/Source/DataSources/TimeIntervalCollectionProperty.js 101

Gets the value of the property at the provided time.
Name Type Description
time JulianDate The time for which to retrieve the value.
result object optional The object to store the value into, if omitted, a new instance is created and returned.
Returns:
The modified result parameter or a new instance if the result parameter was not supplied.
Need help? The fastest way to get answers is from the community and team on the Cesium Forum.
packages/engine
packages/widgets