same magnitude for all components in this representation which is
an advantage for numerical stability in implicit time-stepping too.
+ Note: The latitude is a GEOCENTRIC value. FlightGear
+ converts latitude to a geodetic value and uses that. In order to get best
+ matching relative to a map, geocentric latitude must be converted to geodetic.
+
@see W. C. Durham "Aircraft Dynamics & Control", section 2.2
@author Mathias Froehlich
FGLocation() { mCacheValid = false; }
/** Constructor to set the longitude, latitude and the distance
- from the center of the earth. */
+ from the center of the earth.
+ @param lon longitude
+ @param lat GEOCENTRIC latitude
+ @param distance from center of earth to vehicle in feet*/
FGLocation(double lon, double lat, double radius);
/** Copy constructor. */