//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _WAYPOINT_HXX
#define _WAYPOINT_HXX
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
#include <simgear/compiler.h>
-#include STL_STRING
+#include <simgear/math/SGMath.hxx>
+#include <simgear/math/SGGeod.hxx>
-SG_USING_STD(string);
+#include <string>
/**
* the world is a perfect sphere. This is less compuntationally
* expensive than using wgs84 math and still a fairly good
* approximation of the real world, especially over shorter distances.
- * <li> CARTESIAN requests all math be done assuming the coordinates specify
- * position in a Z = up world.
*/
enum modetype {
WGS84 = 0,
- SPHERICAL = 1,
- CARTESIAN = 2
};
private:
-
- modetype mode;
-
- double target_lon;
- double target_lat;
- double target_alt;
- double distance;
-
- string id;
-
+ SGGeod pos;
+ std::string id;
+ std::string name;
+
+ // route data associated with the waypoint
+ double _distance;
+ double _track;
+ double _speed;
+
public:
- /** Default constructor */
- SGWayPoint();
-
/**
* Construct a waypoint
* @param lon destination longitude
* @param alt target altitude
* @param mode type of coordinates/math to use
* @param s waypoint identifier
+ * @param n waypoint name
*/
- SGWayPoint( const double lon, const double lat, const double alt,
- const modetype m = WGS84, const string s = "" );
+ SGWayPoint( const double lon = 0.0, const double lat = 0.0,
+ const double alt = 0.0, const modetype m = WGS84,
+ const std::string& s = "", const std::string& n = "" );
+
+ /**
+ * Construct from a geodetic position, in WGS84 coordinates
+ */
+ SGWayPoint(const SGGeod& pos, const std::string& s, const std::string& n);
/** Destructor */
~SGWayPoint();
* @param cur_lat (in) current latitude
* @param cur_alt (in) current altitude
* @param course (out) heading from current location to this waypoint
- * @param distance (out) distance from current location to this waypoint
+ * @param dist (out) distance from current location to this waypoint
*/
void CourseAndDistance( const double cur_lon, const double cur_lat,
const double cur_alt,
- double *course, double *distance ) const;
+ double *course, double *dist ) const;
+
+ void CourseAndDistance(const SGGeod& current,
+ double& course, double& dist ) const;
/**
* Calculate course and distances between a specified starting waypoint
* and this waypoint.
* @param wp (in) original waypoint
* @param course (out) heading from current location to this waypoint
- * @param distance (out) distance from current location to this waypoint
+ * @param dist (out) distance from current location to this waypoint
*/
void CourseAndDistance( const SGWayPoint &wp,
- double *course, double *distance ) const;
-
- /** @return waypoint mode */
- inline modetype get_mode() const { return mode; }
+ double *course, double *dist ) const;
/** @return waypoint longitude */
- inline double get_target_lon() const { return target_lon; }
+ inline double get_target_lon() const { return pos.getLongitudeDeg(); }
/** @return waypoint latitude */
- inline double get_target_lat() const { return target_lat; }
+ inline double get_target_lat() const { return pos.getLatitudeDeg(); }
/** @return waypoint altitude */
- inline double get_target_alt() const { return target_alt; }
+ inline double get_target_alt() const { return pos.getElevationM(); }
+
+ inline const SGGeod& get_target() const { return pos; }
/**
* This value is not calculated by this class. It is simply a
* is for your convenience only.
* @return waypoint distance holder (what ever the user has stashed here)
*/
- inline double get_distance() const { return distance; }
+ inline double get_distance() const { return _distance; }
/**
* Set the waypoint distance value to a value of our choice.
* @param d distance
*/
- inline void set_distance( double d ) { distance = d; }
+ inline void set_distance( double d ) { _distance = d; }
+
+ inline double get_track() const { return _track; }
+ inline void set_track(double t) { _track = t; }
+ inline double get_speed() const { return _speed; }
+ inline void set_speed(double v) { _speed = v; }
+
/** @return waypoint id */
- inline string get_id() const { return id; }
+ inline const std::string& get_id() const { return id; }
+
+ /** @return waypoint name */
+ inline const std::string& get_name() const { return name; }
};