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.
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.
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.
Compares this property to the provided property and returns
trueif they are equal,
||Property||optional The other property.|
trueif left and right are equal,
Gets the value of the property at the provided time.
||JulianDate||The time for which to retrieve the value.|
||Object||optional The object to store the value into, if omitted, a new instance is created and returned.|
The modified result parameter or a new instance if the result parameter was not supplied.