Using TGeo to retrieve the mean material budget between two points (M.Ivanov)

[u/mrichter/AliRoot.git] / MUON / AliMUONHitForRec.h

#ifndef ALIMUONHITFORREC_H
#define ALIMUONHITFORREC_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/*$Id$*/
// Revision of includes 07/05/2004

#include <TObject.h>

class AliTrackReference;
class AliMUONRawCluster;
class AliMUONTrackHit;
class AliMUONTrackParam;

class AliMUONHitForRec : public TObject {
 public:
  AliMUONHitForRec(); // Constructor
  virtual ~AliMUONHitForRec(){} // Destructor
  AliMUONHitForRec (const AliMUONHitForRec& AliMUONHitForRec); // copy constructor
  AliMUONHitForRec& operator=(const AliMUONHitForRec& AliMUONHitForRec); // assignment operator
  AliMUONHitForRec(AliTrackReference* mHit); // Constructor from track ref. hit
  AliMUONHitForRec(AliMUONRawCluster* theRawCluster); // Constructor from raw cluster

  // Inline functions for Get and Set
  Double_t GetBendingCoor(void) const { return fBendingCoor;}
  void SetBendingCoor(Double_t BendingCoor) { fBendingCoor = BendingCoor;}
  Double_t GetNonBendingCoor(void) const { return fNonBendingCoor;}
  void SetNonBendingCoor(Double_t NonBendingCoor) { fNonBendingCoor = NonBendingCoor;}
  Double_t GetZ(void) const { return fZ;}
  void SetZ(Double_t Z) { fZ = Z;}
  Double_t GetBendingReso2(void) const { return fBendingReso2;}
  void SetBendingReso2(Double_t BendingReso2) { fBendingReso2 = BendingReso2;}
  Double_t GetNonBendingReso2(void) const { return fNonBendingReso2;}
  void SetNonBendingReso2(Double_t NonBendingReso2) { fNonBendingReso2 = NonBendingReso2;}
  Int_t GetChamberNumber(void) const { return fChamberNumber;}
  void SetChamberNumber(Int_t ChamberNumber) { fChamberNumber = ChamberNumber;}
  Int_t GetHitNumber(void) const { return fHitNumber;}
  void SetHitNumber(Int_t HitNumber) { fHitNumber = HitNumber;}
  Int_t GetTTRTrack(void) const { return fTTRTrack;}
  void SetTTRTrack(Int_t TTRTrack) { fTTRTrack = TTRTrack;}
  Int_t GetTrackRefSignal(void) const { return fTrackRefSignal;}
  void SetTrackRefSignal(Int_t TrackRefSignal) { fTrackRefSignal = TrackRefSignal;}
  Int_t GetIndexOfFirstSegment(void) const { return fIndexOfFirstSegment;}
  void SetIndexOfFirstSegment(Int_t IndexOfFirstSegment) { fIndexOfFirstSegment = IndexOfFirstSegment;}
  Int_t GetNSegments(void) const { return fNSegments;}
  void SetNSegments(Int_t NSegments) { fNSegments = NSegments;}
  AliMUONTrackHit* GetFirstTrackHitPtr(void) const { return fFirstTrackHitPtr;}
  void SetFirstTrackHitPtr(AliMUONTrackHit* FirstTrackHitPtr) { fFirstTrackHitPtr = FirstTrackHitPtr;}
  AliMUONTrackHit* GetLastTrackHitPtr(void) const { return fLastTrackHitPtr;}
  void SetLastTrackHitPtr(AliMUONTrackHit* LastTrackHitPtr) { fLastTrackHitPtr = LastTrackHitPtr;}
  Int_t GetNTrackHits(void) const { return fNTrackHits;}
  void SetNTrackHits(Int_t NTrackHits) { fNTrackHits = NTrackHits;}


  Double_t NormalizedChi2WithHitForRec(AliMUONHitForRec* Hit, Double_t Sigma2Cut) const;
/*   void UpdateFromChamberTrackParam(AliMUONTrackParam *TrackParam, Double_t MCSfactor); */

  // What is necessary for sorting TClonesArray's; sufficient too ????
  Bool_t IsSortable() const { return kTRUE; }
  Int_t Compare(const TObject* HitForRec) const; // "Compare" function for sorting


 private:
  Double_t fBendingCoor; // coordinate (cm) in bending plane
  Double_t fNonBendingCoor; // coordinate (cm) in non bending plane
  Double_t fZ; // Z coordinate (cm)
  Double_t fBendingReso2; // resolution**2 (cm**2) on coordinate in bending plane
  Double_t fNonBendingReso2; // resolution**2 (cm**2) on coordinate in non bending plane

  // links back to original hit for various checks
  // ideal would be real link to "hit" or "reconstructed hit"
  // if everything would be in memory ????
  Int_t fChamberNumber; // chamber number (0...)
  Int_t fHitNumber; // hit number (0...): RawCluster in "chamber" event of TR or track ref. hit in "track" event of TTR
  Int_t fTTRTrack; // track number (0...) in TTR
  Int_t fTrackRefSignal; // Track ref. signal (1) or background (0)

  // links forward to the segment(s) if HitForRec in first chamber of a station
  Int_t fIndexOfFirstSegment; //! index of first Segment
  Int_t fNSegments; //! number of Segments

  // links forward to reconstructed track hits
  AliMUONTrackHit *fFirstTrackHitPtr ; //! pointer to first TrackHit made with HitForRec
  AliMUONTrackHit *fLastTrackHitPtr ; //! pointer to last TrackHit made with HitForRec
  Int_t fNTrackHits; //! number of TrackHit's made with HitForRec
  
  ClassDef(AliMUONHitForRec, 1) // Hit for reconstruction in ALICE dimuon spectrometer
    };
	
#endif