public struct Earth_Ellipsoid| Equatorial_Radius | Earth equatorial radius (semi-major axis) |
| Inverse_Flattening | Earth inverse of flattening |
| Spec | Earth ellipsoid specification |
| Equals | Indicates whether this instance and a specified object are equal. (Inherited from ValueType) |
| Get_Ellipsoid | Returns a populated Earth_Ellipsoid based on the specified ellipsoidal spec. |
| GetHashCode | Returns the hash code for this instance. (Inherited from ValueType) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| ToString | Returns the fully qualified type name of this instance. (Inherited from ValueType) |