#ifndef ALITRDTRACK_H
-#define ALITRDTRACK_H
+#define ALITRDTRACK_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 */
-#include <TObject.h>
+/* $Id$ */
+///////////////////////////////////////////////////////////////////////////////
+// //
+// Represents a reconstructed TRD track //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliKalmanTrack.h"
+
+#include "AliTRDtracklet.h"
+
+class AliESDtrack;
+class AliTrackReference;
class AliTRDcluster;
-class AliTRDtrack : public TObject {
-
-// Represents reconstructed TRD track
-
-public:
-
- AliTRDtrack() { fN=0;}
- AliTRDtrack(UInt_t index, const Double_t xx[5],
- const Double_t cc[15], Double_t xr, Double_t alpha);
- AliTRDtrack(const AliTRDtrack& t);
-
- Int_t Compare(const TObject *o) const;
-
- Double_t GetAlpha() const {return fAlpha;}
- Double_t GetC() const {return fC;}
- Int_t GetClusterIndex(Int_t i) const {return fIndex[i];}
- Double_t GetChi2() const {return fChi2;}
- void GetCovariance(Double_t cov[15]) const;
- Double_t GetdEdX() const {return fdEdx;}
- Double_t GetEta() const {return fE;}
- Int_t GetLabel() const {return fLab;}
- Int_t GetNclusters() const {return fN;}
- Double_t GetP() const {
- return TMath::Abs(GetPt())*sqrt(1.+GetTgl()*GetTgl());
- }
- Double_t GetPredictedChi2(const AliTRDcluster*) const ;
- //Double_t GetPt() const {return 0.3*0.2/GetC()/100;}
- Double_t GetPt() const {return 0.3*0.4/GetC()/100;}
- void GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const ;
- Double_t GetSigmaC2() const {return fCcc;}
- Double_t GetSigmaTgl2() const {return fCtt;}
- Double_t GetSigmaY2() const {return fCyy;}
- Double_t GetSigmaZ2() const {return fCzz;}
- Double_t GetTgl() const {return fT;}
- Double_t GetX() const {return fX;}
- Double_t GetY() const {return fY;} // returns running Y
- Double_t GetZ() const {return fZ;}
-
- Float_t GetLikelihoodPion() const { return fLhPion; };
- Float_t GetLikelihoodElectron() const { return fLhElectron; };
-
- Bool_t IsSortable() const {return kTRUE;}
-
- Int_t PropagateTo(Double_t xr,
- Double_t x0=8.72,Double_t rho=5.86e-3,Double_t pm=0.139);
- void PropagateToVertex(
- Double_t x0=36.66,Double_t rho=1.2e-3,Double_t pm=0.139);
- Int_t Rotate(Double_t angle);
-
- void SetLabel(Int_t lab=0) {fLab=lab;}
- void SetdEdx(Float_t dedx) {fdEdx=dedx;}
-
- void Update(const AliTRDcluster* c, Double_t chi2, UInt_t i);
-
- void SetLikelihoodPion(Float_t l) { fLhPion = l; };
- void SetLikelihoodElectron(Float_t l) { fLhElectron = l; };
-
-protected:
-
- Int_t fLab; // track label
- Double_t fChi2; // total chi2 value for the track
- Float_t fdEdx; // dE/dx
-
- Double_t fAlpha; // rotation angle
- Double_t fX; // running local X-coordinate of the track (time bin)
-
- Double_t fY; // Y-coordinate of the track
- Double_t fZ; // Z-coordinate of the track
- Double_t fC; // track curvature
- Double_t fE; // C*x0
- Double_t fT; // tangent of the track dip angle
-
- Double_t fCyy; // covariance
- Double_t fCzy, fCzz; // matrix
- Double_t fCcy, fCcz, fCcc; // of the
- Double_t fCey, fCez, fCec, fCee; // track
- Double_t fCty, fCtz, fCtc, fCte, fCtt; // parameters
-
- Short_t fN; // number of clusters associated with the track
- UInt_t fIndex[200]; // global indexes of these clusters
-
- Float_t fLhElectron; // Likelihood to be an electron
- Float_t fLhPion; // Likelihood to be a pion
-
- ClassDef(AliTRDtrack,2) // TRD reconstructed tracks
-};
+const unsigned kMAXCLUSTERSPERTRACK = 210;
+
+class AliTRDtrack : public AliKalmanTrack {
+
+ public:
+
+ enum { kNdet = 540
+ , kNstacks = 90
+ , kNplane = 6
+ , kNcham = 5
+ , kNsect = 18
+ , kNslice = 3};
+
+ AliTRDtrack();
+ AliTRDtrack(/*const */AliTRDcluster *c, Int_t index, const Double_t xx[5], const Double_t cc[15], Double_t xr, Double_t alpha);
+ AliTRDtrack(const AliTRDtrack &t/*, const Bool_t owner = kTRUE*/);
+ AliTRDtrack(const AliESDtrack &t);
+ ~AliTRDtrack();
+ AliTRDtrack(const AliKalmanTrack &t, Double_t alpha);
+
+ void ResetClusters() { SetChi2(0.0);
+ SetNumberOfClusters(0); }
+ Int_t Compare(const TObject *o) const;
+ void AddNWrong() { fNWrong++; }
+ void IncCross() { fNCross++;
+ if (fBackupTrack) fBackupTrack->IncCross(); }
+
+ Int_t GetSector() const;
+ Float_t GetClusterdQdl(Int_t i) const { return fdQdl[i]; }
+ Double_t GetdEdx() const { return fdEdx; }
+ Int_t GetNdedx() const { return fNdedx; }
+ Double_t GetPIDsignal() const { return GetdEdx(); }
+ Int_t GetClusterIndex(Int_t i) const { return fIndex[i]; }
+ Double_t GetC() const { return AliExternalTrackParam::GetC(GetBz()); }
+ Double_t GetPredictedChi2(const AliTRDcluster *c, Double_t h01) const;
+ Float_t GetPIDsignals(Int_t iPlane, Int_t iSlice) const { return fdEdxPlane[iPlane][iSlice]; }
+ Int_t GetPIDTimBin(Int_t i) const { return fTimBinPlane[i]; }
+ Double_t GetLikelihoodElectron() const { return fLhElectron; }
+ Int_t GetSeedLabel() const { return fSeedLab; }
+ Int_t *GetBackupIndexes() { return fIndexBackup; }
+ Int_t *GetIndexes() { return fIndex; }
+ Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z);
+ Bool_t GetStop() const { return fStopped; }
+ Int_t GetNRotate() const { return fNRotate; }
+ Int_t GetNWrong() const { return fNWrong; }
+ Int_t GetNCross() const { return fNCross; }
+ Int_t GetNExpected() const { return fNExpected; }
+ Int_t GetNLast() const { return fNLast; }
+ Int_t GetNExpectedLast() const { return fNExpectedLast; }
+ AliTRDtracklet GetTracklets(Int_t i) const { return fTracklets[i]; }
+ Float_t GetBudget(Int_t i) const { return fBudget[i]; }
+ Float_t GetChi2Last() const { return fChi2Last; }
+ AliTRDtrack *GetBackupTrack() { return fBackupTrack; }
+
+ void SetdEdx(Double_t dedx) { fdEdx = dedx; }
+ void SetStop(Bool_t stop) { fStopped = stop; }
+ void SetPIDsignals(Float_t dedx, Int_t iPlane, Int_t iSlice) { fdEdxPlane[iPlane][iSlice] = dedx; }
+ void SetPIDTimBin(Int_t timbin, Int_t i) { fTimBinPlane[i] = timbin; }
+ void SetLikelihoodElectron(Float_t l) { fLhElectron = l; }
+ void SetSampledEdx(Float_t q, Int_t i);
+ void SetSampledEdx(Float_t q);
+ void SetSeedLabel(Int_t lab) { fSeedLab = lab; }
+ void SetNWrong(Int_t nwrong) { fNWrong = nwrong; }
+ void SetNCross(Int_t ncross) { fNCross = ncross; }
+ void SetNExpected(Int_t nexp) { fNExpected = nexp; }
+ void SetNLast(Int_t nlast) { fNLast = nlast; }
+ void SetNExpectedLast(Int_t nexp) { fNExpectedLast = nexp; }
+ void SetChi2Last(Float_t chi2) { fChi2Last = chi2; }
+ void SetTracklets(Int_t i, AliTRDtracklet t) { fTracklets[i] = t; }
+ void SetBudget(Int_t i, Float_t budget) { fBudget[i] = budget; }
+
+// A. Bercuci new functions
+ void SetTrackSegmentDirMom(const Int_t plane);
+ void CookdEdx(Double_t low = 0.05, Double_t up = 0.7);
+ void CookdEdxTimBin();
+ Int_t CookPID(AliESDtrack *p);
+ void SetCluster(AliTRDcluster* cl, Int_t index = -1) {fClusters[(index == -1) ? GetNumberOfClusters()-1 : index] = cl;}
+ inline AliTRDcluster* GetCluster(Int_t layer){ return (layer >= 0 && layer < GetNumberOfClusters()) ? fClusters[layer] : 0x0;}
+ inline Float_t GetMomentumPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fMom[plane] : 0.;}
+ inline Float_t GetSnpPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fSnp[plane] : 0.;}
+ inline Float_t GetTglPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fTgl[plane] : 0.;}
+ Float_t GetTrackLengthPlane(Int_t plane) const;
+//end A.Bercuci
+
+ void MakeBackupTrack();
+ Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3);
+ Int_t PropagateToR(Double_t xr, Double_t step);
+ Int_t PropagateToX(Double_t xr, Double_t step);
+ Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE);
+ Float_t StatusForTOF();
+ Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01);
+ Int_t UpdateMI(/*const */AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01, Int_t plane);
+
+ protected:
+
+ AliTRDtrack &operator=(const AliTRDtrack &t);
+
+ Double_t GetBz() const;
+ Bool_t Update(const AliCluster */*c*/, Double_t /*chi2*/, Int_t /*idx*/) { return 0; }
+ Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; }
+
+ Int_t fSeedLab; // Track label taken from seeding
+ Float_t fdEdx; // dE/dx (truncated mean)
+ Float_t fDE; // Integrated delta energy
+ Float_t fdEdxPlane[kNplane][kNslice]; // dE/dx from all 6 planes in 3 slices each
+ Int_t fTimBinPlane[kNplane]; // Time bin of Max cluster from all 6 planes
+
+ // A.Bercuci
+ Float_t fMom[kNplane]; // Track momentum at chamber entrance
+ Float_t fSnp[kNplane]; // track direction
+ Float_t fTgl[kNplane]; // track direction
+ AliTRDcluster* fClusters[kMAXCLUSTERSPERTRACK];
+ Bool_t fClusterOwner; // indicates the track is owner of cluster
+ // end A.Bercuci
+
+ Bool_t fStopped; // Track stop indication
+ Int_t fIndex[kMAXCLUSTERSPERTRACK]; // Global indexes of clusters
+ Int_t fIndexBackup[kMAXCLUSTERSPERTRACK]; // Backup indexes of clusters - used in iterations
+ Float_t fdQdl[kMAXCLUSTERSPERTRACK]; // Cluster amplitudes corrected for track angles
+
+ Float_t fLhElectron; // Likelihood to be an electron
+ Int_t fNWrong; // Number of wrong clusters
+ Int_t fNRotate; // Number of rotation
+ Int_t fNCross; // Number of the cross materials
+ Int_t fNExpected; // Expected number of cluster
+ Int_t fNLast; // Number of clusters in last 2 layers
+ Int_t fNExpectedLast; // Number of expected clusters on last 2 layers
+ Int_t fNdedx; // Number of clusters for dEdx measurment
+ Float_t fChi2Last; // Chi2 in the last 2 layers
+ AliTRDtracklet fTracklets[6]; // Tracklets
+ Float_t fBudget[3]; // Integrated material budget
+ AliTRDtrack *fBackupTrack; //! Backup track
+
+ ClassDef(AliTRDtrack,8) // TRD reconstructed tracks
+};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff