waypoint.hxx

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// Written by Curtis Olson, started September 2000.
//
// Copyright (C) 2000  Curtis L. Olson  - curt@hfrl.umn.edu
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// $Id: waypoint_8hxx_source.html,v 1.3 2010/02/23 22:10:17 curt Exp $


#ifndef _WAYPOINT_HXX
#define _WAYPOINT_HXX

#include <simgear/compiler.h>

#include <simgear/math/SGMath.hxx>
#include <simgear/math/SGGeod.hxx>

#include <string>


class SGWayPoint {

public:

    enum modetype { 
        WGS84 = 0,
    };

private:
    SGGeod pos;
    std::string id;
    std::string name;
    
  // route data associated with the waypoint
    double _distance;
    double _track;
    double _speed;
    
public:

    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 = "" );
  
    SGWayPoint(const SGGeod& pos, const std::string& s, const std::string& n);

    ~SGWayPoint();

    void CourseAndDistance( const double cur_lon, const double cur_lat,
                            const double cur_alt,
                            double *course, double *dist ) const;

    void CourseAndDistance(const SGGeod& current,
                            double& course, double& dist ) const;

    void CourseAndDistance( const SGWayPoint &wp,
                            double *course, double *dist ) const;

    inline double get_target_lon() const { return pos.getLongitudeDeg(); }

    inline double get_target_lat() const { return pos.getLatitudeDeg(); }

    inline double get_target_alt() const { return pos.getElevationM(); }

    inline const SGGeod& get_target() const { return pos; }

    inline double get_distance() const { return _distance; }

    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; }
    
    inline const std::string& get_id() const { return id; }

    inline const std::string& get_name() const { return name; }

};


#endif // _WAYPOINT_HXX

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