// ======================================
//
// hits recostructed via HELIX FIT in STT
//
// ======================================
#ifndef PNDSTTHELIXHIT_H
#define PNDSTTHELIXHIT_H 1


#include "TVector3.h"
#include "FairHit.h"

class PndSttHit;

class PndSttHelixHit : public FairHit 
{

 public:    

  /** Default constructor **/
  PndSttHelixHit();

  /** Standard constructor 
  *@param detID          Detector unique volume ID
  *@param tubeID         Unique tube ID
  *@param hitIndex       Index of corresponding STTHit
  *@param mcindex        Index of corresponding MCPoint
  *@param pos            Reco position coordinates X Y Z [cm]
  *@param dpos           Errors on reco position coordinates [cm]
  *@param isochrone      Drift radius [cm]
  *@param isochroneError Error on drift radius [cm]
  *@param dedx           De/Dx
  **/
  
  PndSttHelixHit(Int_t detID, Int_t tubeID, Int_t hitindex, Int_t mcindex,
		 TVector3& pos, TVector3& dpos, 
		 Double_t isochrone, Double_t isochroneError,
		 Double_t dedx);
  

  //void CopyHitToHelixHit(PndSttHit *aHit, Int_t hitindex);


/** Destructor **/
  virtual ~PndSttHelixHit();    

  /** Output to screen **/
  virtual void Print(const Option_t* opt = 0) const {std::cout<< " opt = " << opt << std::endl;return;}

  /** Public method Clear  **/
  void Clear();

  /** Accessors **/
  Int_t GetHitIndex() {return fHitIndex;}

  /** Accessors **/
  Double_t GetIsochrone()      const { return fIsochrone; }; 
  Double_t GetIsochroneError() const { return fIsochroneError; }; 
  Double_t GetdEdx()           const { return fdEdx;      };
  
  /** Modifiers **/
  void SetHitIndex(Int_t hitindex) {fHitIndex = hitindex;} 
  void SetIsochrone(Double_t isochrone) { fIsochrone = isochrone; };
  void SetIsochroneError(Double_t isochroneError) { fIsochroneError = isochroneError; };
  void SetdEdx(Double_t dedx)                 { fdEdx = dedx; }
  void Print();
  
  // tube ID // CHECK added
  void SetTubeID(Int_t tubeid) { fTubeID = tubeid; }
  Int_t GetTubeID() { return fTubeID; }

 protected:
 
  /** This variable contains the hit index **/    
  Int_t fHitIndex;
 
  /** de/dx **/
  Double_t fdEdx;      
 
  /** isochrone **/
  Double_t fIsochrone, fIsochroneError;

  /** tubeID **/
  Int_t fTubeID; // CHECK added

  ClassDef(PndSttHelixHit,2);
};


#endif