//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Data class to carry information of drifted electrons
//      in Tpc digitization. Defined at first GEM.
//
// Environment:
//      Software developed for the PANDA Detector at FAIR.
//
// Author List:
//      Sebastian Neubert    TUM            (original author)
//      Cristoforo Simonetto TUM  
//
//-----------------------------------------------------------

#ifndef TPCDRIFTEDELECTRON_HH
#define TPCDRIFTEDELECTRON_HH

// Base Class Headers ----------------

#include <TObject.h>
// Collaborating Class Headers -------


// Collaborating Class Declarations --

class TpcPrimaryCluster;

class TpcDriftedElectron : public TObject {
public:

  // Constructors/Destructors ---------
  TpcDriftedElectron();
  TpcDriftedElectron(const double X, 
		     const double Y,
		     const double T,
		     TpcPrimaryCluster* tpcPClusterp);
  ~TpcDriftedElectron(){;}

  // Operators
  friend bool operator== (const TpcDriftedElectron& lhs,
			  const TpcDriftedElectron& rhs);

  friend bool operator<  (const TpcDriftedElectron& lhs,
			  const TpcDriftedElectron& rhs){return lhs.ft < rhs.ft;}

  // Accessors -----------------------
  double x() const {return fx;}
  double y() const {return fy;}
  double t() const {return ft;}
  double dx() const{return fdx;}
  double dy() const{return fdy;}
  double dt() const{return fdt;}
  unsigned int mcTrackId() const {return fmcTrackId;}
  unsigned int mcSecId() const {return fmcSecId;}
  unsigned int mcHitId() const {return fmcHitId;}
  unsigned int index() const {return findex;}
  unsigned int primClustId() const {return fPrimClustID;}
  //TpcPrimaryCluster* tpcPClusterp() const {return ftpcPClusterp;}
  
  void addtox(double a) {fx+=a;}
  void addtoy(double a) {fy+=a;}
  void addtot(double a) {ft+=a;}
  void setDx(double a) {fdx=a;}
  void setDy(double a) {fdy=a;}
  void setDt(double a) {fdt=a;}
  void setDist(double a, double b, double c){fdx=a;fdy=b;fdt=c;}

  void setIndex(unsigned int caindex){findex=caindex;}
private:

  // Private Data Members ------------
  double fx;
  double fy;
  double ft;
  double fdx;
  double fdy;
  double fdt;
  //duplication of information, but needed for easy acces when removing pointer
  unsigned int fmcTrackId;      // internal mc id if GEANT is not used
  unsigned int fmcSecId;   // 0 if primary track, else >0
  unsigned int fmcHitId;
  unsigned int fPrimClustID; // id of primary cluster in TClonesArray
  unsigned int findex;
    
  // Private Methods -----------------

public:
  ClassDef(TpcDriftedElectron,4)

};

#endif

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// $Log$