position.hh

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#ifndef POSITION_H_
#define POSITION_H_
//class Position:
//This class is a 3-vector that represents a position on the Earth's surface.
//
//   Methods:
//
// Lat()  : Returns latitude of this position.
//
// Lon()  : Returns longitude of this position.
//
// Distance(second position)  : Returns distance between this position and a second.  Takes
//                              a Position as input.
//
// SurfaceDistance(second position, surface elevation)  : Returns distance over the surface of
//              the Earth between the spot on the surface under/above this position and the spot
//              under/above a second position.
//              Input: a Position, and the distance from the center of the Earth to the surface at
//                     this Position.
//
#include "vector.hh"

class Position : public Vector {
public:
  
  Position();

  Position(Vector vec);

  Position(double theta_inp, double phi_inp);

  Position(double longitude, double latitude, double altitude);

  double Lat() const;
  

  double Lon() const;
  
  double Distance(const Position &second) const;
  

  double SurfaceDistance(const Position &second, double local_surface) const;
  
}; //class Position
#endif