Property — Cesium API reference

abstract new Cesium.Property()

The interface for all properties, which represent a value that can optionally vary over time. This type defines an interface and cannot be instantiated directly.

See:

CompositeProperty
ConstantProperty
SampledProperty
TimeIntervalCollectionProperty
MaterialProperty
PositionProperty
ReferenceProperty

Members

readonly definitionChanged : Event

Gets the event that is raised whenever the definition of this property changes. The definition is considered to have changed if a call to getValue would return a different result for the same time.

readonly isConstant : boolean

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

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

Gets the value of the property at the provided time.

Name	Type	Default	Description
`time`	JulianDate	`JulianDate.now()`	optional The time for which to retrieve the value. If omitted, the current system time is used.
`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.