A volume calc altitude interface.
|  CentralBody | Get the central body for the volume calc. Both the central body reference shape and its CBF (central body centered fixed) system are used by this volume calc. | 
|  ReferencePoint | A reference point. Can be any point from VGT. | 
|  ShapeModel | The Volume Calc Altitude Reference Type. | 
|  UseCustomReference | Whether to use custom reference. | 
| Implemented Interface | 
|---|
| IAgCrdnVolumeCalc | 
| IAgCrdn | 





