#ifndef ALITOFTRACKER_H
#define ALITOFTRACKER_H
+
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
/* $Id$ */
+//----------------------------------------------------------------------//
+// //
+// AliTOFtracker Class //
+// Task: Perform association of the ESD tracks to TOF Clusters //
+// and Update ESD track with associated TOF Cluster parameters //
+// //
+// -- Authors : S. Arcelli, C. Zampolli (Bologna University and INFN) //
+// -- Contacts: Annalisa.De.Caro@cern.ch //
+// -- : Chiara.Zampolli@bo.infn.it //
+// -- : Silvia.Arcelli@bo.infn.it //
+// //
+//----------------------------------------------------------------------//
+
#include "AliTracker.h"
-#include "AliTOFpidESD.h"
-class AliTOFGeometry;
+class TClonesArray;
+
+class TH1F;
+class TH2F;
+class AliESDEvent;
+
+class AliTOFcluster;
+class AliTOFRecoParam;
+class AliTOFGeometry;
+class AliTOFpidESD;
class AliTOFtracker : public AliTracker {
+
+enum {kMaxCluster=77777}; //maximal number of the TOF clusters
+
public:
- AliTOFtracker(AliTOFGeometry* geom, Double_t parPID[2])
- {fGeom = geom; fTOFpid = new AliTOFpidESD(parPID);};
- virtual ~AliTOFtracker() {delete fTOFpid;}
- virtual Int_t Clusters2Tracks(AliESD* /*event*/) {return -1;};
- virtual Int_t PropagateBack(AliESD* event) {return fTOFpid->MakePID(event);};
- virtual Int_t RefitInward(AliESD* /*event*/) {return -1;};
+ AliTOFtracker();
- virtual Int_t LoadClusters(TTree* tree)
- {return fTOFpid->LoadClusters(tree, fGeom);};
- virtual void UnloadClusters() {fTOFpid->UnloadClusters();};
- virtual AliCluster *GetCluster(Int_t index) const {return NULL;};
+ virtual ~AliTOFtracker();
+ virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;};
+ virtual Int_t PropagateBack(AliESDEvent* event);
+ virtual Int_t RefitInward(AliESDEvent* /*event*/) {return -1;};
+ virtual Int_t LoadClusters(TTree * cTree); // Load Clusters
+ virtual void UnloadClusters();// UnLoad Clusters
+ virtual AliCluster *GetCluster(Int_t index) const
+ {if (index==-1 || index >= fN) return NULL;
+ return (AliCluster *) fClusters[index];};
+ Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
+ void InitCheckHists();
+ void SaveCheckHists();
+ void FillClusterArray(TObjArray* arr) const;
private:
- AliTOFpidESD* fTOFpid; // TOF PID
- AliTOFGeometry* fGeom; // TOF geometry
- ClassDef(AliTOFtracker, 1) // TOF tracker (wrapper for AliTOFpidESD)
-};
+ AliTOFtracker(const AliTOFtracker &t); //Copy Ctor
+ AliTOFtracker& operator=(const AliTOFtracker &source); // ass. op.
-#endif
+ Int_t FindClusterIndex(Double_t z) const; // Returns cluster index
+ void MatchTracks(Bool_t mLastStep); // Matching Algorithm
+ void CollectESD(); // Select starting Set for Matching
+ Float_t GetTimeZerofromTOF(AliESDEvent* /*event*/) const; // T0 from TOF
+ Float_t GetTimeZerofromT0(AliESDEvent* event) const; // T0 from T0
+ Float_t CorrectTimeWalk(Float_t dist,Float_t tof); // Time Walk correction
+
+ const AliTOFRecoParam* fRecoParam; // Pointer to TOF Recon. Pars
+ AliTOFGeometry* fGeom; // Pointer to TOF geometry
+ AliTOFpidESD* fPid; // Pointer to TOF PID
+ AliTOFcluster *fClusters[kMaxCluster]; // pointers to the TOF clusters
+
+ Int_t fN; // Number of Clusters
+ Int_t fNseeds; // Number of track seeds
+ Int_t fNseedsTOF; // TPC BP tracks
+ Int_t fngoodmatch; // Correctly matched tracks
+ Int_t fnbadmatch; // Wrongly matched tracks
+ Int_t fnunmatch; // Unmatched tracks
+ Int_t fnmatch; // Total matched tracks
+
+ TClonesArray* fTracks; //! pointer to the TClonesArray with TOF tracks
+ TClonesArray* fSeeds; //! pointer to the TClonesArray with ESD tracks
+ //Digits/Reco QA histos
+ TH2F * fHDigClusMap; //Digits QA, Cluster Map
+ TH1F * fHDigNClus; //Digits QA, # of clusters on TOF/event
+ TH1F * fHDigClusTime;//Digits QA, Cluster Time (ns)
+ TH1F * fHDigClusToT; //Digits QA, Cluster ToT (ns)
+ TH1F * fHRecNClus; //Reco QA, cluster occupancy in search window
+ TH1F * fHRecDist;//Reco QA, track-TOF cluster closest distance (cm)
+ TH2F * fHRecSigYVsP;//Reco QA, track error in Y at TOF inner surface (cm)
+ TH2F * fHRecSigZVsP; //Reco QA, track error in Z at TOF inner surface (cm)
+ TH2F * fHRecSigYVsPWin;//Reco QA, search window size in Y (cm)
+ TH2F * fHRecSigZVsPWin;//Reco QA, search window size in X (cm)
+ TTree * fCalTree; // Tree for on-the-fly offline Calibration
+ // internal variables in tree for on-the-fly TOF Calibration
+ Int_t fIch; //TOF channel number
+ Float_t fToT; // Time over Threshold, ns
+ Float_t fTime; //TOF time, ps
+ Float_t fExpTimePi; // exp time, Pions
+ Float_t fExpTimeKa; // exp time, Kaons
+ Float_t fExpTimePr; // exp time, Protons
+
+ ClassDef(AliTOFtracker, 3) // TOF tracker
+};
+
+#endif