#define ALITRDTRACKERV1_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
+* See cxx source for full Copyright notice */
/* $Id$ */
////////////////////////////////////////////////////////////////////////////
// //
////////////////////////////////////////////////////////////////////////////
-#ifndef ALITRACKER_H
+//#ifndef ALITRACKER_H
#include "AliTracker.h"
-#endif
+//#endif
-#ifndef ALITRDTRACKINGSECTOR_H
+//#ifndef ALITRDTRACKINGSECTOR_H
#include "AliTRDtrackingSector.h"
-#endif
+//#endif
+
+//#ifndef ROOT_TMatrixDfwd
+#include <TMatrixDfwd.h>
+//#endif
/**************************************************************************
- * Class Status see source file *
- **************************************************************************/
-
+* Class Status see source file *
+**************************************************************************/
+
class TFile;
class TTreeSRedirector;
class TClonesArray;
class AliTRDtrackerFitter;
class AliTRDtrackV1;
class AliTRDReconstructor;
+class AliTRDrecoParam;
class AliTRDtrackerV1 : public AliTracker
{
public:
enum{
- kOwner = BIT(14)
+ kOwner = BIT(14) // owner of clusters
+ ,kRemoveContainers = BIT(15) // delete containers after usage
};
- enum{
+ enum ETRDtrackerV1const {
kMaxLayersPerSector = 1000
, kMaxTimeBinIndex = 216
, kTrackingSectors = 18
, kMaxTracksStack = 100
, kNConfigs = 15
};
- AliTRDtrackerV1(AliTRDReconstructor *rec = 0x0);
+ enum ETRDtrackerV1BetheBloch {
+ kGeant = 0
+ ,kSolid
+ ,kGas
+ };
+ AliTRDtrackerV1(const AliTRDReconstructor *rec = NULL);
virtual ~AliTRDtrackerV1();
//temporary
AliTRDtrackingSector* GetTrackingSector(Int_t sec) {return &fTrSec[sec];}
Int_t Clusters2Tracks(AliESDEvent *esd);
+ static ETRDtrackerV1BetheBloch
+ GetBetheBloch() { return fgBB;}
AliCluster* GetCluster(Int_t index) const;
AliTRDseedV1* GetTracklet(Int_t index) const;
AliKalmanTrack* GetTrack(Int_t index) const;
- TClonesArray* GetListOfClusters() const {return fClusters;}
- TClonesArray* GetListOfTracklets() const {return fTracklets;}
- TClonesArray* GetListOfTracks() const {return fTracks;}
- static Int_t GetNTimeBins() {return fgNTimeBins;}
+ TClonesArray* GetListOfClusters() const { return fClusters;}
+ TClonesArray* GetListOfTracklets() const { return fTracklets;}
+ TClonesArray* GetListOfTracks() const { return fTracks;}
+ static Int_t GetNTimeBins() { return fgNTimeBins;}
static void GetExtrapolationConfig(Int_t iconfig, Int_t planes[2]);
static void GetSeedingConfig(Int_t iconfig, Int_t planes[4]);
+
static TLinearFitter* GetTiltedRiemanFitter();
static TLinearFitter* GetTiltedRiemanFitterConstraint();
static AliRieman* GetRiemanFitter();
static void FitRieman(AliTRDcluster **clusters, Double_t chi2[2]);
- static Float_t FitRieman(AliTRDseedV1 *tracklets, Double_t *chi2, Int_t *planes = 0x0);
+ static Float_t FitRieman(AliTRDseedV1 *tracklets, Double_t *chi2, Int_t *const planes = NULL);
static Float_t FitTiltedRiemanConstraint(AliTRDseedV1 *tracklets, Double_t zVertex);
static Float_t FitTiltedRieman(AliTRDseedV1 *tracklets, Bool_t sigError);
+ static Double_t FitTiltedRiemanV1(AliTRDseedV1 *tracklets);
- static Double_t FitRiemanTilt(const AliTRDtrackV1 *trk, AliTRDseedV1 *tracklets = 0x0, Bool_t err=0, Int_t np = 0, AliTrackPoint *points = 0x0);
- static Double_t FitLine(const AliTRDtrackV1 *trk, AliTRDseedV1 *tracklets = 0x0, Bool_t err=0, Int_t np = 0, AliTrackPoint *points = 0x0);
- static Double_t FitKalman(AliTRDtrackV1 *trk, AliTRDseedV1 *tracklets = 0x0, Bool_t up=0, Int_t np = 0, AliTrackPoint *points = 0x0);
+ static Double_t FitRiemanTilt(const AliTRDtrackV1 *trk, AliTRDseedV1 *tracklets = NULL, Bool_t err=0, Int_t np = 0, AliTrackPoint *points = NULL);
+ static Double_t FitLine(const AliTRDtrackV1 *trk, AliTRDseedV1 *tracklets = NULL, Bool_t err=0, Int_t np = 0, AliTrackPoint *points = NULL);
+ static Double_t FitKalman(AliTRDtrackV1 *trk, AliTRDseedV1 * const tracklets = NULL, Bool_t up=0, Int_t np = 0, AliTrackPoint *points = NULL);
+
+ Bool_t IsClustersOwner() const { return TestBit(kOwner);}
+ Bool_t HasRemoveContainers() const { return TestBit(kRemoveContainers);}
- Bool_t IsClustersOwner() const {return TestBit(kOwner);}
- void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kOwner, own); if(!own) fClusters = 0x0;}
+ static void SetBetheBloch(ETRDtrackerV1BetheBloch bb) {fgBB = bb;}
+ void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kOwner, own); if(!own) fClusters = NULL;}
+ void SetRemoveContainers(Bool_t rm=kTRUE) {SetBit(kRemoveContainers, rm);}
Int_t FollowBackProlongation(AliTRDtrackV1 &t);
Int_t FollowProlongation(AliTRDtrackV1 &t);
Int_t LoadClusters(TTree *cTree);
- Int_t LoadClusters(TClonesArray *clusters);
+ Int_t LoadClusters(TClonesArray *const clusters);
Int_t PropagateBack(AliESDEvent *event);
static Int_t PropagateToX(AliTRDtrackV1 &t, Double_t xToGo, Double_t maxStep);
- Int_t ReadClusters(TClonesArray* &array, TTree *in) const;
+ Bool_t ReadClusters(TTree *in);
Int_t RefitInward(AliESDEvent *event);
static void SetNTimeBins(Int_t nTimeBins){fgNTimeBins = nTimeBins; }
- void SetReconstructor(const AliTRDReconstructor *rec){ fReconstructor = rec; }
+ void SetReconstructor(const AliTRDReconstructor *rec) {fkReconstructor = rec;}
void UnloadClusters();
-// void UseClusters(const AliKalmanTrack *t, Int_t from = 0) const;
-// static Int_t Freq(Int_t n, const Int_t *inlist, Int_t *outlist, Bool_t down); // to be removed
class AliTRDLeastSquare{
public:
AliTRDLeastSquare();
~AliTRDLeastSquare(){};
- void AddPoint(Double_t *x, Double_t y, Double_t sigmaY);
- void RemovePoint(Double_t *x, Double_t y, Double_t sigmaY);
- void Eval();
+ void AddPoint(const Double_t * const x, Double_t y, Double_t sigmaY);
+ void RemovePoint(const Double_t * const x, Double_t y, Double_t sigmaY);
+ Bool_t Eval();
+ void Reset();
- Double_t GetFunctionParameter(Int_t ParNumber) const {return fParams[ParNumber];}
- Double_t GetFunctionValue(Double_t *xpos) const;
- void GetCovarianceMatrix(Double_t *storage) const;
+ Double_t GetFunctionParameter(Int_t ParNumber) const {return fParams[ParNumber];}
+ Double_t GetFunctionValue(const Double_t * const xpos) const;
+ void GetCovarianceMatrix(Double_t *storage) const;
private:
- AliTRDLeastSquare(const AliTRDLeastSquare &);
+ AliTRDLeastSquare(const AliTRDLeastSquare &);
AliTRDLeastSquare& operator=(const AliTRDLeastSquare &);
- Double_t fParams[2]; // Fitparameter
- Double_t fCovarianceMatrix[3]; // Covariance Matrix
- Double_t fSums[6]; // Sums
+ Double_t fParams[2]; // Fitparameter
+ Double_t fCovarianceMatrix[3]; // Covariance Matrix
+ Double_t fSums[6]; // Sums
+ };
+
+ class AliTRDtrackFitterRieman{
+ public:
+ AliTRDtrackFitterRieman();
+ ~AliTRDtrackFitterRieman();
+
+ Double_t Eval();
+ void Reset();
+
+ Double_t GetYat(Double_t x) const;
+ Double_t GetDyDxAt(Double_t x) const;
+ Double_t GetZat(Double_t x) const;
+ Double_t GetDzDx() const { return fParameters[4]; };
+ Double_t GetCurvature() const;
+ void GetCovAt(Double_t x, Double_t *cov) const;
+
+ void SetRiemanFitter(TLinearFitter *const fitter) { fTrackFitter = fitter; }
+ void SetTracklet(Int_t il, AliTRDseedV1 * const tracklet);
+ void SetSysClusterError(Double_t err) { fSysClusterError = err; };
+ private:
+ AliTRDtrackFitterRieman(const AliTRDtrackFitterRieman &);
+ AliTRDtrackFitterRieman &operator=(const AliTRDtrackFitterRieman &);
+ void UpdateFitters(const AliTRDseedV1 * const tracklet);
+ Bool_t CheckAcceptable(Double_t offset, Double_t slope);
+ Double_t CalculateReferenceX();
+
+ TLinearFitter *fTrackFitter; // Fitter for linearized track model
+ AliTRDLeastSquare *fZfitter; // Linear fitter in z-Direction
+ AliTRDseedV1 *fTracklets[kNPlanes]; // Tracklet container
+ TMatrixD *fCovarPolY; // Polynomial Covariance Matrix Estimation (y-direction)
+ TMatrixD *fCovarPolZ; // Polynomial Covariance Matrix Estimation (z-direction)
+ Double_t fXref; // Reference x position for fit in z-Direction
+ Double_t fSysClusterError; // Systematic cluster Error
+ Double_t fParameters[5]; // Track Model Parameter
+ Double_t fSumPolY[5]; // Sums for polynomial Covariance Matrix Estimation (y-direction)
+ Double_t fSumPolZ[3]; // Sums for polynomial Covariance Matrix Estimation (z-direction)
};
protected:
- static Bool_t AdjustSector(AliTRDtrackV1 *track);
+ static Bool_t AdjustSector(AliTRDtrackV1 *const track);
Double_t BuildSeedingConfigs(AliTRDtrackingChamber **stack, Int_t *configs);
Int_t BuildTrackingContainers();
- static Float_t CalculateChi2Z(AliTRDseedV1 *tracklets, Double_t offset, Double_t slope, Double_t xref);
+ static Float_t CalculateChi2Z(const AliTRDseedV1 *tracklets, Double_t offset, Double_t slope, Double_t xref);
Int_t Clusters2TracksSM(Int_t sector, AliESDEvent *esd);
- Int_t Clusters2TracksStack(AliTRDtrackingChamber **stack, TClonesArray *esdTrackList);
- AliTRDseedV1* GetTracklet(AliTRDtrackV1 *trk, Int_t plane, Int_t &idx);
+ Int_t Clusters2TracksStack(AliTRDtrackingChamber **stack, TClonesArray * const esdTrackList);
+ AliTRDseedV1* GetTracklet(const AliTRDtrackV1 *const trk, Int_t plane, Int_t &idx);
Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p) const;
- Int_t MakeSeeds(AliTRDtrackingChamber **stack, AliTRDseedV1 *sseed, Int_t *ipar);
- AliTRDtrackV1* MakeTrack(AliTRDseedV1 *seeds, Double_t *params);
- AliTRDtrackV1* SetTrack(AliTRDtrackV1 *track);
- AliTRDseedV1* SetTracklet(AliTRDseedV1 *tracklet);
+ Float_t GetR4Layer(Int_t ly) const { return fR[ly];}
+ Int_t MakeSeeds(AliTRDtrackingChamber **stack, AliTRDseedV1 * const sseed, const Int_t * const ipar);
+ AliTRDtrackV1* MakeTrack(AliTRDseedV1 * const tracklet);
+ AliTRDtrackV1* SetTrack(const AliTRDtrackV1 * const track);
+ AliTRDseedV1* SetTracklet(const AliTRDseedV1 * const tracklet);
+ void UnsetTrackletsTrack(const AliTRDtrackV1 * const track);
private:
AliTRDtrackerV1(const AliTRDtrackerV1 &tracker);
AliTRDtrackerV1 &operator=(const AliTRDtrackerV1 &tracker);
- Double_t CookLikelihood(AliTRDseedV1 *cseed, Int_t planes[4]);
- Double_t CalculateTrackLikelihood(AliTRDseedV1 *tracklets, Double_t *chi2);
- Int_t ImproveSeedQuality(AliTRDtrackingChamber **stack, AliTRDseedV1 *tracklet);
- static Float_t CalculateReferenceX(AliTRDseedV1 *tracklets);
+ Double_t CookLikelihood(AliTRDseedV1 *cseed, Int_t planes[4]);
+ Double_t CalculateTrackLikelihood(Double_t *chi2);
+ Bool_t ImproveSeedQuality(AliTRDtrackingChamber **stack, AliTRDseedV1 *tracklet, Double_t &chi2);
+ static Float_t CalculateReferenceX(const AliTRDseedV1 *const tracklets);
void ResetSeedTB();
- Float_t GetChi2Y(AliTRDseedV1 *tracklets) const;
- Float_t GetChi2Z(AliTRDseedV1 *tracklets) const;
-
-private:
- const AliTRDReconstructor *fReconstructor; // reconstructor manager
- AliTRDgeometry *fGeom; // Pointer to TRD geometry
- AliTRDtrackingSector fTrSec[kTrackingSectors]; // Array of tracking sectors;
-
+ Float_t GetChi2Y(const AliTRDseedV1 *const tracklets) const;
+ Float_t GetChi2Z(const AliTRDseedV1 *const tracklets) const;
+ Float_t GetChi2Phi(const AliTRDseedV1 *const tracklets) const;
+
+ const AliTRDReconstructor *fkReconstructor; // reconstructor manager
+ const AliTRDrecoParam *fkRecoParam; // reco param for the current event
+ AliTRDgeometry *fGeom; // Pointer to TRD geometry
+ AliTRDtrackingSector fTrSec[kTrackingSectors]; // Array of tracking sectors;
TClonesArray *fClusters; // List of clusters
TClonesArray *fTracklets; // List of tracklets
TClonesArray *fTracks; // List of tracks
-
- // should go to the recoParam
- static const Double_t fgkMaxChi2; // Max increment in track chi2
- static const Float_t fgkMinClustersInTrack; // Min number of clusters in track
- static const Float_t fgkLabelFraction; // Min fraction of same label
- static const Double_t fgkMaxSnp; // Maximal snp for tracking
- static const Double_t fgkMaxStep; // Maximal step for tracking
-
- // stand alone tracking
- static Double_t fgTopologicQA[kNConfigs]; // Topologic quality
- Double_t fTrackQuality[kMaxTracksStack]; // Track quality
- Int_t fSeedLayer[kMaxTracksStack]; // Seed layer
+ TClonesArray *fTracksESD; // List of ESD tracks in current SM
+ Float_t fR[kNPlanes]; //! rough radial position of each TRD layer
+
+ // stand alone tracking
+ static Double_t fgTopologicQA[kNConfigs]; // Topologic quality
+ Double_t fTrackQuality[kMaxTracksStack]; // Track quality
+ Int_t fSeedLayer[kMaxTracksStack]; // Seed layer
AliTRDchamberTimeBin *fSeedTB[kNSeedPlanes]; // seeding time bin planes
- Int_t fSieveSeeding; //! Seeding iterator
-
+ Int_t fSieveSeeding; //! Seeding iterator
+ Int_t fEventInFile; //! event in file being tracked (debug purposes)
+
+ static ETRDtrackerV1BetheBloch fgBB; // Bethe Bloch method
+ static const Double_t fgkX0[kNPlanes]; // default values for the position of anode wire
static Int_t fgNTimeBins; // Timebins per plane in track prolongation
- static TLinearFitter *fgTiltedRieman; // Fitter for the tilted Rieman fit without vertex constriant
- static TLinearFitter *fgTiltedRiemanConstrained; // Fitter for the tilted Rieman fit with vertex constraint
- static AliRieman *fgRieman; // Fitter for the untilted Rieman fit
-
- ClassDef(AliTRDtrackerV1, 2) // TRD tracker development class
+ static TLinearFitter *fgTiltedRieman; // Fitter for the tilted Rieman fit without vertex constriant
+ static TLinearFitter *fgTiltedRiemanConstrained; // Fitter for the tilted Rieman fit with vertex constraint
+ static AliRieman *fgRieman; // Fitter for the untilted Rieman fit
+
+ ClassDef(AliTRDtrackerV1, 7) // TRD tracker - tracklet based tracking
};
#endif
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