/*$Id$*/
// Revision of includes 07/05/2004
-#include <TObject.h>
+/// \ingroup rec
+/// \class AliMUONTrackK
+/// \brief Kalman track in MUON arm of ALICE
+///
+/// \author: Alexander Zinchenko, JINR Dubna
-class TMatrixD;
-class AliMUONEventReconstructor;
+class TArrayD;
class TClonesArray;
class TObjArray;
-class AliMUONSegment;
-class AliMUON;
+#include <TMatrixDfwd.h>
+#include <TObject.h>
+
+class AliMUONEventRecoCombi;
class AliMUONHitForRec;
+class AliMUONSegment;
+class AliMUONTrackReconstructor;
+#include "AliMUONTrack.h"
-class AliMUONTrackK : public TObject {
+class AliMUONTrackK : public AliMUONTrack {
public:
AliMUONTrackK(); // Default constructor
virtual ~AliMUONTrackK(); // Destructor
- //AliMUONTrackK(const AliMUONEventReconstructor *EventReconstructor, const AliMUONHitForRec *hitForRec); // Constructor
- AliMUONTrackK(AliMUONEventReconstructor *EventReconstructor, TClonesArray *hitForRec); // Constructor
+ AliMUONTrackK(AliMUONTrackReconstructor *TrackReconstructor, TClonesArray *hitForRec); // Constructor
AliMUONTrackK(AliMUONSegment *segment); // Constructor from a segment
// Pointer to hits on track
- TObjArray* GetHitOnTrack(void) const {return fTrackHitsPtr;} // ptr. to hits on track
- Int_t GetNTrackHits(void) const {return fNTrackHits;} // hits on track
+ TObjArray* GetTrackHits(void) const {return fTrackHits;} // ptr. to hits on track
+ Int_t GetNTrackHits(void) const {return fNmbTrackHits;} // hits on track
Double_t GetTrackQuality(void) const {return fChi2;} // track quality
TMatrixD* GetTrackParameters(void) const {return fTrackPar;} // track parameters
Double_t GetZ(void) const {return fPosition;} // Z-coordinate of track
void Kill(void); // kill track candidate
void Branson(void); // Branson correction
void GoToZ(Double_t zEnd); // propagate track to given Z
- void GoToVertex(void); // propagate track to the vertex
+ void GoToVertex(Int_t iflag); // propagate track to the vertex
+ Bool_t Smooth(void); // apply smoother
+ Double_t GetChi2PerPoint(Int_t iPoint) const; // return Chi2 at point
+ void Print(FILE *lun) const; // print track information
+ void Print(const char* /*opt*/) const {return;} // print track information
+ AliMUONHitForRec* GetHitLastOk(void); // get hit before the skipped one
+ Int_t GetStation0(void); // return seed station number
+ Int_t DebugLevel(void) const {return fgDebug;} // return debug level
+ void SetDebugLevel(Int_t iDebug) {fgDebug = iDebug;} // set debug level
+ void FillMUONTrack(void); // set track parameters as for AliMUONTrack
+ void SetTrackParam(AliMUONTrackParam *trackParam, TMatrixD *par, Double_t z); // fill AliMUONTrackParam object
// What is necessary for sorting TClonesArray's
Bool_t IsSortable() const { return kTRUE; }
protected:
- AliMUONTrackK (const AliMUONTrackK& source); // copy constructor
AliMUONTrackK& operator=(const AliMUONTrackK& source); // assignment operator
private:
- static Int_t fgNOfPoints; // number of points in event
- static AliMUON *fgMUON; // pointer to MUON module
- static AliMUONEventReconstructor *fgEventReconstructor; // pointer to event reconstructor
- static TClonesArray *fgHitForRec; // pointer to hits
-
- AliMUONSegment *fStartSegment; // seed segment
- Double_t fPosition; // Z-coordinate of track
- Double_t fPositionNew; //! Z-coordinate of track
- Double_t fChi2; // Chi2 of track
- TObjArray *fTrackHitsPtr; // pointer to hits on track
- Int_t fNTrackHits; // number of points on track
- Int_t fTrackDir; // track direction (+(-) towards high (low) z)
- Bool_t fBPFlag; // backpropagation flag (TRUE if backpropagation)
- Int_t fRecover; // recover flag (!=0 if recovery procedure was applied)
- AliMUONHitForRec *fSkipHit; // hit to skip during recovery procedure
-
- TMatrixD *fTrackPar; // track parameters
- TMatrixD *fTrackParNew; //! track parameters
- TMatrixD *fCovariance; // covariance matrix
- TMatrixD *fWeight; //! weight matrix (inverse of covariance)
+ static Int_t fgDebug; ///< debug level
+ static Int_t fgNOfPoints; ///< number of points in event
+ //static AliMUON *fgMUON; ///< pointer to MUON module
+ static AliMUONTrackReconstructor *fgTrackReconstructor; ///< pointer to event reconstructor
+ static TClonesArray *fgHitForRec; ///< pointer to hits
+ static AliMUONEventRecoCombi *fgCombi; ///< pointer to combined cluster/track finder
+
+ AliMUONSegment *fStartSegment; ///< seed segment
+ Double_t fPosition; ///< Z-coordinate of track
+ Double_t fPositionNew; //!< Z-coordinate of track
+ Double_t fChi2; ///< Chi2 of track
+ TObjArray *fTrackHits; ///< pointer to hits on track
+ Int_t fNmbTrackHits; ///< number of points on track
+ Int_t fTrackDir; ///< track direction (+(-) towards high (low) z)
+ Bool_t fBPFlag; ///< backpropagation flag (TRUE if backpropagation)
+ Int_t fRecover; ///< recover flag (!=0 if recovery procedure was applied)
+ AliMUONHitForRec *fSkipHit; ///< hit to skip during recovery procedure
+
+ TMatrixD *fTrackPar; ///< track parameters
+ TMatrixD *fTrackParNew; //!< track parameters
+ TMatrixD *fCovariance; ///< covariance matrix
+ TMatrixD *fWeight; //!< weight matrix (inverse of covariance)
+
+ // For smoother
+ TObjArray *fParExtrap; //!< extrapolated track parameters
+ TObjArray *fParFilter; //!< filtered track parameters
+ TObjArray *fParSmooth; //!< smoothed track parameters
+
+ TObjArray *fCovExtrap; //!< extrapolated covariance matrices
+ TObjArray *fCovFilter; //!< filtered covariance matrices
+
+ TObjArray *fJacob; //!< Jacobian matrices
+ Int_t fNSteps; //!< number of the track propagation points
+ TArrayD *fSteps; //!< Z-coordinates of the track propagation points
+ TArrayD *fChi2Array; //!< measurements' contributions to the track Chi2
+ TArrayD *fChi2Smooth;//!< measurements' contributions to the smoothed track Chi2
// Functions
+ AliMUONTrackK (const AliMUONTrackK& source); // copy constructor
void EvalCovariance(Double_t dZ);
void ParPropagation(Double_t zEnd);
- void WeightPropagation(Double_t zEnd);
+ void WeightPropagation(Double_t zEnd, Bool_t smooth);
void MSThin(Int_t sign);
void MSLine(Double_t dZ, Double_t X0);
- Bool_t FindPoint(Int_t ichamb, Double_t zEnd, Int_t currIndx, Int_t iFB, AliMUONHitForRec *&hitAdd);
+ Bool_t FindPoint(Int_t ichamb, Double_t zEnd, Int_t currIndx, Int_t iFB, AliMUONHitForRec *&hitAdd, Int_t iz);
void TryPoint(TMatrixD &point, const TMatrixD &pointWeight, TMatrixD &trackParTmp, Double_t &dChi2);
void SetGeantParam(Double_t *VGeant3, Int_t iFB);
void GetFromGeantParam(Double_t *VGeant3, Int_t iFB);
- void Recover(void);
+ Bool_t Recover(void);
+ void AddMatrices(AliMUONTrackK *trackK, Double_t dChi2, AliMUONHitForRec *hitAdd);
+ void CreateMatrix(TObjArray *objArray) const;
+ void RemoveMatrices(Double_t zEnd);
+ void RemoveMatrices(AliMUONTrackK* trackK);
+ void Outlier();
+ void SortHits(Int_t iflag, TObjArray *array);
+ void DropBranches(Int_t imax, TObjArray *hits);
+ void DropBranches(AliMUONSegment *segment);
+ Bool_t ExistDouble(AliMUONHitForRec *hit);
+ Bool_t ExistDouble(void);
private:
// Some constants
- static const Int_t fgkSize; // number of track parameters
- static const Int_t fgkNSigma; //4; // acceptance window width in sigmas
- static const Int_t fgkTriesMax; // max number of attempts to find exact position during tracking
- static const Double_t fgkEpsilon; // tracking precision (cm)
+ static const Int_t fgkSize; ///< number of track parameters
+ static const Int_t fgkNSigma; ///< 4; acceptance window width in sigmas
+ static const Double_t fgkChi2max; ///< 25; chi2 cut in smoother for outlier detection
+ static const Int_t fgkTriesMax; ///< max number of attempts to find exact position during tracking
+ static const Double_t fgkEpsilon; ///< tracking precision (cm)
ClassDef(AliMUONTrackK,0) // Kalman track in MUON arm of ALICE
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff