]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TRD/AliTRDtrack.h
datamember added in AliGeomManager with number of alignable volumes per subdetector...
[u/mrichter/AliRoot.git] / TRD / AliTRDtrack.h
index bdbc4e24b23191b76b3596faef678ddce8e4a3b5..e5bd051889cf6d853f98765131b4154015fb6ff5 100644 (file)
@@ -4,15 +4,7 @@
 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  * See cxx source for full Copyright notice                               */
 
-#include <AliKalmanTrack.h>
-#include <AliTRDtracklet.h>
-
-class AliTRDcluster;
-class AliTPCtrack;
-class AliESDtrack;
-class AliTrackReference;
-
-const unsigned kMAXCLUSTERSPERTRACK = 210; 
+/* $Id$ */
 
 ///////////////////////////////////////////////////////////////////////////////
 //                                                                           //
@@ -20,148 +12,207 @@ const unsigned kMAXCLUSTERSPERTRACK = 210;
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
-class AliTRDtrack : public AliKalmanTrack {
-   
-  enum { kNdet = 540, kNstacks = 90, kNplane = 6, kNcham = 5, kNsect = 18 };
+#include "AliESDtrack.h"
+#include "AliKalmanTrack.h"
+
+#include "AliTRDtracklet.h"
 
-  friend class AliTRDtracker;
+#ifndef ALITRDSEEDV1_H
+#include "AliTRDseedV1.h"
+#endif
+
+class AliTrackReference;
+class AliTRDcluster;
+class AliTRDtrack : public AliKalmanTrack {
 
  public:
 
-   AliTRDtrack():AliKalmanTrack()                       { fBackupTrack = 0;      }
-   AliTRDtrack(const AliTRDcluster *c, UInt_t index, const Double_t xx[5],
-               const Double_t cc[15], Double_t xr, Double_t alpha);  
-   AliTRDtrack(const AliTRDtrack& t);    
-   AliTRDtrack(const AliKalmanTrack& t, Double_t alpha); 
-   AliTRDtrack(const AliESDtrack& t);
-   ~AliTRDtrack();
-
-   AliTRDtrack     &operator=(const AliTRDtrack &t);
-
-   //static AliTRDtrack* MakeTrack(const AliTrackReference *ref, Double_t mass);
-   Int_t           Compare(const TObject *o) const;
-   void            CookdEdx(Double_t low=0.05, Double_t up=0.7);   
-   Float_t         StatusForTOF();
-   Double_t        GetAlpha() const                     { return fAlpha;         }
-   Int_t           GetSector() const;
-   Double_t        GetC() const                         { return fC;             }
-   Int_t           GetClusterIndex(Int_t i) const       { return fIndex[i];      }    
-   Float_t         GetClusterdQdl(Int_t i) const        { return fdQdl[i];       }    
-   void            GetCovariance(Double_t cov[15]) const;  
-   Double_t        GetdEdx() const                      { return fdEdx;          }
-   Double_t        GetPIDsignal() const                 { return GetdEdx();      }
-   Float_t         GetPIDsignals(Int_t i) const         { return fdEdxPlane[i];  }
-   Int_t           GetPIDTimBin(Int_t i) const          { return fTimBinPlane[i];}
-   Double_t        GetEta() const                       { return fE;             }
-
-   void            GetExternalCovariance(Double_t cov[15]) const;   
-   void            GetExternalParameters(Double_t& xr, Double_t x[5]) const;
-
-   Double_t        GetLikelihoodElectron() const        { return fLhElectron;    }
-   Double_t        Get1Pt() const;
-   Double_t        GetP() const;
-   Double_t        GetPredictedChi2(const AliTRDcluster* c, Double_t h01) const;
-   Double_t        GetPt() const                        { return 1.0 / Get1Pt(); }   
-   void            GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const;
-   void            GetGlobalXYZ(Double_t &x, Double_t &y, Double_t &z) const;
-   Int_t           GetSeedLabel() const                 { return fSeedLab;       }
-   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        GetSnp() const                       { return fX*fC - fE;     }
-   Double_t        GetTgl() const                       { return fT;             }
-   Double_t        GetX() const                         { return fX;             }
-   Double_t        GetY() const                         { return fY;             }
-   Double_t        GetZ() const                         { return fZ;             }
-   Int_t*          GetBackupIndexes()                   { return fIndexBackup;   }
-   Int_t*          GetIndexes()                         { return fIndex;         }
-
-   Double_t        GetYat(Double_t xk) const; 
-   Int_t           GetProlongation(Double_t xk, Double_t &y, Double_t &z);
-
-   void            SetStop(Bool_t stop)                 { fStopped        = stop;   }
-   Bool_t          GetStop() const                      { return fStopped;          }
-
-   Int_t           PropagateTo(Double_t xr, Double_t x0=8.72, Double_t rho=5.86e-3);
-   Int_t           PropagateToX(Double_t xr, Double_t step);
-   Int_t           PropagateToR(Double_t xr, Double_t step);
-   void            ResetCovariance();   
-   void            ResetCovariance(Float_t mult);   
-   void            ResetClusters()                      { SetChi2(0.); SetNumberOfClusters(0); }
-   Int_t           Rotate(Double_t angle, Bool_t absolute=kFALSE);
-
-   void            SetdEdx(Float_t dedx)                { fdEdx           = dedx;   }  
-   void            SetPIDsignals(Float_t dedx, Int_t i) { fdEdxPlane[i]   = 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;    }
-
-   Int_t           Update(const AliTRDcluster* c, Double_t chi2, UInt_t i, Double_t h01);
-   Int_t           UpdateMI(const AliTRDcluster* c, Double_t chi2, UInt_t i, Double_t h01, Int_t plane);
-   Int_t           UpdateMI(const AliTRDtracklet & tracklet);
-
-   void            AddNWrong()                          { fNWrong++;                }
+  enum { kMAXCLUSTERSPERTRACK = 210 };
+   
+  enum { kNdet      = 540
+       , kNstacks   =  90
+       , kNplane    =   AliESDtrack::kTRDnPlanes
+       , kNcham     =   5
+       , kNsect     =  18
+       , kNslice    =   3
+       , kNMLPslice =   8 };
   
-   Int_t           GetNWrong() const                    { return fNWrong;           }
-   Int_t           GetNRotate() const                   { return fNRotate;          }
-   Int_t           GetNCross() const                    { return fNCross;           }
-   void            IncCross()                           { fNCross++; if (fBackupTrack) fBackupTrack->IncCross(); }
-   AliTRDtrack*    GetBackupTrack()                     { return fBackupTrack;      }
-   void            MakeBackupTrack();
+  enum AliTRDPIDMethod {
+         kNN = 0
+       , kLQ = 1 };
+
+         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);
+ virtual ~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;
+         AliTRDPIDMethod GetPIDMethod() const                         { return fPIDmethod;                   }
+         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;                 }
+         // dummy to bridge the function in AliTRDtrackV1
+        //Int_t          GetNumberOfClusters() const                   { printf("AliTRDtrack::GetNumberOfClusters()\n"); 
+         //                                                               return AliKalmanTrack::GetNumberOfClusters();   }
+ inline virtual Int_t    GetNumberOfTracklets() const;
+ virtual Int_t           GetTrackletIndex(Int_t plane) const          { return plane>=0 && plane<6 
+                                                                             ? fTrackletIndex[plane] : -1;   } 
+
+
+         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; }
+         void            SetPIDMethod(AliTRDPIDMethod method)         { fPIDmethod                 = method; }
+
+         void           SetTrackSegmentDirMom(const Int_t plane);
+         void            CookdEdx(Double_t low = 0.05, Double_t up = 0.7);
+         void            CookdEdxTimBin(const Int_t tid);
+         Bool_t          CookPID(Int_t &pidQuality); 
+         void            SetCluster(AliTRDcluster* cl
+                                  , Int_t index = -1)                 { fClusters[(index == -1) 
+                                                                                  ? GetNumberOfClusters()-1 
+                                                                                  : index]         = cl;     }
+         AliTRDcluster*  GetCluster(Int_t layer) const                { return (layer >= 0 &&
+                                                                                layer <  GetNumberOfClusters()) 
+                                                                             ? fClusters[layer] 
+                                                                             : 0x0;                          }
+         Float_t         GetMomentumPlane(Int_t plane) const          { return (plane >= 0 && 
+                                                                                plane <  kNplane) 
+                                                                             ? fMom[plane] 
+                                                                             : 0.0;                          }
+   const Double_t*       GetPID() const                               { return fPID;                         }
+         Float_t         GetSnpPlane(Int_t plane) const               { return (plane >= 0 && 
+                                                                                plane <  kNplane) 
+                                                                             ? fSnp[plane] 
+                                                                             : 0.0;                          }
+         Float_t         GetTglPlane(Int_t plane) const               { return (plane >= 0 && 
+                                                                                plane <  kNplane) 
+                                                                             ? fTgl[plane]  
+                                                                             : 0.0;                          }
+         Float_t         GetTrackLengthPlane(Int_t plane) const;
+
+         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 index, Double_t h01);
+         Bool_t          Update(const AliTRDtracklet &tracklet, Double_t chi2, Int_t index);
+         Int_t           UpdateMI(/*const */AliTRDcluster *c, Double_t chi2
+                                , Int_t index, Double_t h01
+                                , Int_t plane, Int_t tid = 0);
 
  protected:
 
-   inline void     GetXYZ(Float_t r[3]) const;
-
-   Double_t        GetPredictedChi2(const AliCluster*/*c*/) const                  { return 0.0; }
-   Int_t           Update(const AliCluster*/*c*/, Double_t /*chi2*/, UInt_t /*i*/) { return 0;   }
-
-   Int_t           fSeedLab;                               // track label taken from seeding  
-   Float_t         fdEdx;                                  // dE/dx 
-   Float_t         fdEdxT;                                 // dE/dx  - truncated mean
-   Float_t         fDE;                                    // integrated delta energy
-   Float_t         fdEdxPlane[kNplane];                    // dE/dx from all 6 planes
-   Int_t           fTimBinPlane[kNplane];                  // time bin of Max cluster from all 6 planes
-
-   Double_t        fAlpha;                                 // rotation angle
-   Double_t        fX;                                     // running local X-coordinate of the track (time bin)
-   Bool_t          fStopped;                               // track stop indication
-
-   Double_t        fY;                                     // Y-coordinate of the track
-   Double_t        fZ;                                     // Z-coordinate of the track
-   Double_t        fE;                                     // C*x0
-   Double_t        fT;                                     // tangent of the track momentum dip angle
-   Double_t        fC;                                     // track curvature
-
-   Double_t        fCyy;                                   // covariance
-   Double_t        fCzy, fCzz;                             // matrix
-   Double_t        fCey, fCez, fCee;                       // of the
-   Double_t        fCty, fCtz, fCte, fCtt;                 // track
-   Double_t        fCcy, fCcz, fCce, fCct, fCcc;           // parameters   
-   
-   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,4)                                 // TRD reconstructed tracks
+  AliTRDtrack           &operator=(const AliTRDtrack &t);
+
+        void            CookdEdxNN(Float_t *dedx);
+         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; }
+
+ protected:
+
+         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
+         UChar_t  fPIDquality;                        //  No of planes used for PID calculation        
+         Double_t fPID[AliPID::kSPECIES];             //  PID probabilities
+        Float_t  fMom[kNplane];                      //  Track momentum at chamber entrance
+        Float_t  fSnp[kNplane];                      //  Track direction
+        Float_t  fTgl[kNplane];                      //  Track direction
+  AliTRDcluster  *fClusters[kMAXCLUSTERSPERTRACK];    //  List of assigned clusters
+         Bool_t   fClusterOwner;                      //  Indicates the track is owner of cluster
+  AliTRDPIDMethod fPIDmethod;                         //  Switch between different PID methods
+         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
+       
+        Int_t    fTrackletIndex[6];                  //  Tracklets index in the tracker list
+  AliTRDseedV1    fTracklet[6];                       //  Tracklets array defining the track
+
+  ClassDef(AliTRDtrack,9)                             //  TRD reconstructed tracks
 
 };                     
 
+//___________________________________________________________
+inline Int_t AliTRDtrack::GetNumberOfTracklets() const
+{
+       Int_t ntrklt = 0;
+       for(int ip=0; ip<6; ip++) if(fTrackletIndex[ip] >= 0) ntrklt++;
+       return ntrklt;
+}
+
+
 #endif