A 
    
TimeIntervalCollectionProperty 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 considered to have changed if a call to getValue would return
a different result for the same time.
    Gets the interval collection.
    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 the reference frame in which the position is defined.
- 
    
    
    
    
    
    
    
    
    Default Value:
    
 
ReferenceFrame.FIXED;
    
    
    
    
    
    
    
Methods
    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.
    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
    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.
    
