//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Singleton providing access and I/O for laser grids in
//      simulation. To be initialized on macro level.
//
//
// Environment:
//      Software developed for the GEM-TPC detector
//
// Author List:
//      Felix Boehmer      TUM            (original author)
//
//-----------------------------------------------------------

#ifndef TPCLASERGRID_H
#define TPCLASERGRID_H

#include "TpcLaser.h"
#include "GFAbsTrackRep.h"

#include <map>

class TpcDigiPar;

class TpcLaserGrid {

 private:
  ~TpcLaserGrid();
  TpcLaserGrid();
  TpcLaserGrid(const TpcLaserGrid& notAllowed) {;}
  TpcLaserGrid& operator=(const TpcLaserGrid& notAllowed) {;}

  static TpcLaserGrid* fInstance;

  std::map<unsigned int, TpcLaser*> fLaserMap;       //ID -> LaserTrack
  std::map<unsigned int, GFAbsTrackRep*> fTrackMap;  //ID -> GFTrack
  double fZMin, fZMax, fRMin, fRMax;

  bool fInit;
  
  
 public:
  static TpcLaserGrid* Instance();
  static void Destruct();
  
  //hand over geometry information for laser activation
  void Init(TpcDigiPar*);       //init with existing TpcDigiPar object;
  void Init(double rMin, double rMax, double zMin, double zMax);

  const std::map<unsigned int, TpcLaser*>* GetLasers() const;
  const std::map<unsigned int, GFAbsTrackRep*>* GetTracks() const;
  //const TpcLaser* GetLaser(unsigned int id) const {return &fLaserMap[id];};
  //const GFAbsTrackRep* GetTrack(unsigned int) const;
  

  
    
  void ReadFile(const TString&);
  //void Print() const;

  
};
  
#endif