| Name | Type | Description | 
|---|---|---|
| entityCluster | EntityCluster | The entity cluster to manage the collection of billboards and optionally cluster with other entities. | 
| entityCollection | EntityCollection | The entityCollection to visualize. | 
Methods
    Removes and destroys all primitives created by this instance.
    Returns true if this object was destroyed; otherwise, false.
Returns:
    True if this object was destroyed; otherwise, false.
    
    Updates the primitives created by this visualizer to match their
Entity counterpart at the given time.
    
| Name | Type | Description | 
|---|---|---|
| time | JulianDate | The time to update to. | 
Returns:
    This function always returns true.
    
