Classes of objects that can be used as templates to associate access constraints, basic object properties and, in some cases, altitude with points in the grid.
| Member | Value | Description |
|---|---|---|
| eGridClassUnknown | -1 | Unknown template class. |
| eGridClassAircraft | 0 | Aircraft class. |
| eGridClassFacility | 1 | Facility class. |
| eGridClassRadar | 2 | Radar class. |
| eGridClassReceiver | 3 | Receiver class. |
| eGridClassSatellite | 4 | Satellite class. |
| eGridClassSubmarine | 5 | Submarine class. |
| eGridClassTarget | 6 | Target class. |
| eGridClassTransmitter | 7 | Transmitter class. |
| eGridClassGroundVehicle | 8 | GroundVehicle class. |
| eGridClassShip | 9 | Ship class. |
| eGridClassPlace | 10 | Place class. |
| eGridClassSensor | 11 | Sensor class. |





