geo.hpp

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#ifndef BOOSTERSEAT_GEO_HPP_
#define BOOSTERSEAT_GEO_HPP_
 
#include <vector>
 
namespace bst {
namespace geo {
 
inline constexpr double EARTH_RADIUS_KM = 6378.1370;
 
class Point {
public:
  Point();
 
  Point(double latitude, double longitude);
 
  double latitude() const {
    return lat_;
  }
  double longitude() const {
    return lon_;
  }
 
  Point shootVector(double bearing, double distance_m) const;
 
private:
  double lat_;
 
  double lon_;
};
 
double distance(const Point &point_a, const Point &point_b);
 
class Path {
public:
  Path();
  Path(std::vector<Point> points);
 
  void addPoint(Point point) {
    points_.push_back(point);
  }
 
  int getNumPoints() const {
    return points_.size();
  }
 
  double distance() const;
 
  std::vector<Point> points() const {
    return points_;
  }
 
  bool getLastPoint(Point &point) const;
 
  bool getFirstPoint(Point &point) const;
 
private:
  std::vector<Point> points_;
};
 
} // namespace geo
} // namespace bst
 
#endif /* GEO_HPP_ */