CompositePositionProperty

new Ditap.CompositePositionProperty(referenceFrame)

A CompositeProperty which is also a PositionProperty.
Name Type Default Description
referenceFrame ReferenceFrame ReferenceFrame.FIXED optional The reference frame in which the position is defined.

Members

readonly definitionChanged : Event

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.

intervals : TimeIntervalCollection

Gets the interval collection.

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.

referenceFrame : ReferenceFrame

Gets or sets the reference frame which this position presents itself as. Each PositionProperty making up this object has it's own reference frame, so this property merely exposes a "preferred" reference frame for clients to use.

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) → Cartesian3|undefined

Gets the value of the property at the provided time in the fixed frame.
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 Cartesian3 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.

getValueInReferenceFrame(time, referenceFrame, result) → Cartesian3|undefined

Gets the value of the property at the provided time and in the provided reference frame.
Name Type Description
time JulianDate The time for which to retrieve the value.
referenceFrame ReferenceFrame The desired referenceFrame of the result.
result Cartesian3 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.
packages/engine
packages/widgets