X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRDtrackerV1.h;h=882b805b35113d58aa6cc6200392c97b6045194d;hb=e893f30b9893ad69f96f3ec5f97d9d0a859facd6;hp=6acad41965d4235c5061f0640b8225f386426aad;hpb=eb2b4f916a4b2cfa883e49ba0c91ef516534190f;p=u%2Fmrichter%2FAliRoot.git diff --git a/TRD/AliTRDtrackerV1.h b/TRD/AliTRDtrackerV1.h index 6acad41965d..882b805b351 100644 --- a/TRD/AliTRDtrackerV1.h +++ b/TRD/AliTRDtrackerV1.h @@ -2,7 +2,7 @@ #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 */ /* $Id$ */ //////////////////////////////////////////////////////////////////////////// @@ -17,18 +17,22 @@ // // //////////////////////////////////////////////////////////////////////////// -#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 +//#endif /************************************************************************** - * Class Status see source file * - **************************************************************************/ - +* Class Status see source file * +**************************************************************************/ + class TFile; class TTreeSRedirector; class TClonesArray; @@ -46,13 +50,15 @@ class AliTRDchamberTimeBin; 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 @@ -62,13 +68,20 @@ public: , 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; @@ -78,109 +91,151 @@ public: 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);} - void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kOwner, own); if(!own) fClusters = 0x0;} + Bool_t HasRemoveContainers() const { return TestBit(kRemoveContainers);} + + 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; 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; Float_t GetR4Layer(Int_t ly) const { return fR[ly];} - 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); + 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; + Float_t GetChi2Y(const AliTRDseedV1 *const tracklets) const; + Float_t GetChi2Z(const AliTRDseedV1 *const tracklets) const; + Float_t GetChi2Phi(const AliTRDseedV1 *const tracklets) const; -private: - const AliTRDReconstructor *fReconstructor; // reconstructor manager + 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 + TClonesArray *fTracksESD; // List of ESD tracks in current SM Float_t fR[kNPlanes]; //! rough radial position of each TRD layer - // 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 + // 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, 3) // TRD tracker - tracklet based tracking + 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