# CompositePositionProperty

#### new Cesium.CompositePositionProperty()
DataSources/CompositePositionProperty.js 28

  A `CompositeProperty` which is also a `PositionProperty`.

### Members

#### readonlydefinitionChanged : Event
DataSources/CompositePositionProperty.js 58

  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
DataSources/CompositePositionProperty.js 69

  Gets the interval collection.

#### readonlyisConstant : Boolean
DataSources/CompositePositionProperty.js 44

  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
DataSources/CompositePositionProperty.js 83

  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
DataSources/CompositePositionProperty.js 136

  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
DataSources/CompositePositionProperty.js 100

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

  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.

#### getValueInReferenceFrame(time, referenceFrame, result) → Cartesian3
DataSources/CompositePositionProperty.js 112

  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.