Method for specifying the ground altitude of a grid point.
| Member | Value | Description |
|---|---|---|
| eCvGroundAltitudeMethodUnknown | -1 | Unknown ground altitude method. |
| eCvGroundAltitudeMethodDepth | 0 | Depth below the surface. |
| eCvGroundAltitudeMethodAltitude | 1 | Altitude above the surface. |
| eCvGroundAltitudeMethodAltAtTerrain | 2 | Altitude at terrain. |
| eCvGroundAltitudeMethodAltAboveMSL | 3 | Altitude above MSL of the surface. |
| eCvGroundAltitudeMethodUsePointAlt | 4 | Altitude by point type. |





