// VTrackGenerator.h

#ifndef VTrackGenerator_H
#define VTrackGenerator_H

// Generates VTrack objects with parameters chosen randomly.
// The track surface and the ranges for the parameters are
// specified in the constructor.

#include "SurfacePtr.h"
#include "trfutil/RandomGenerator.h"
#include "trfbase/TrackVector.h"

namespace trf {

class VTrack;

class VTrackGenerator : public RandomGenerator {

private:  // attributes

  // min and max values for each parameter.
  TrackVector _min;
  TrackVector _max;

  // surface.
  SurfacePtr _psrf;

private:  // methods

  // Hide copy and assignment operators.
  VTrackGenerator& operator=(const VTrackGenerator& gen);

  // output stream
  void ostr(std::ostream& stream) const;

public:

  // constructor
  VTrackGenerator(const Surface& srf, const TrackVector& min,
                                      const TrackVector& max);

  // Copy consructor.
  VTrackGenerator(const VTrackGenerator& rhs);

  // destructor
  ~VTrackGenerator();

  // Return the surface.
  const Surface& get_surface() const { return *_psrf; };

  // Generate a new track.  User must delete.
  VTrack* new_track();

};

}  // end namespace trf

#endif