TRD/AliTRDtrackingAnalysis.h

   1 #ifndef AliTRDtrackingAnalysis_H
   2 #define AliTRDtrackingAnalysis_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 /* $Id$ */
   8
   9 ////////////////////////////////////////////////////////////////////
  10 //                                                                //
  11 // Fills a set of QA histograms to check the correctness of       //
  12 // the TRD reconstruction                                         //
  13 //                                                                //
  14 ////////////////////////////////////////////////////////////////////
  15
  16 #include "TObject.h"
  17
  18 class TH1D;
  19 class TH2D;
  20 class TTree;
  21 class TObjArray;
  22 class TGraphErrors;
  23
  24 class AliRunLoader;
  25 class AliTRDgeometry;
  26 class AliESDEvent;
  27 class AliTRDcluster;
  28 class AliTRDtracker;
  29
  30 class AliTRDtrackingAnalysis : public TObject {
  31
  32  public:
  33
  34   AliTRDtrackingAnalysis();
  35   AliTRDtrackingAnalysis(const AliTRDtrackingAnalysis &t);
  36   virtual ~AliTRDtrackingAnalysis() {}
  37   AliTRDtrackingAnalysis  &operator=(const AliTRDtrackingAnalysis &/*t*/) { return *this; }
  38
  39   void SetPath(const char *path) {fPath = path;}
  40
  41   void DrawResolutionPt(int startEvent, int stopEvent);
  42   void DrawRecPointResolution(int startEvent, int stopEvent);
  43   //void DrawTrackletResolution(int startEvent, int stopEvent);
  44
  45  protected:
  46
  47   void CheckFiles();
  48   void LoadRecPointsFile();
  49   void LoadRefs();
  50   Int_t GetReference(Int_t label);
  51   Int_t GetMCPosition(Int_t label, Double_t x, Double_t &Y, Double_t &Z, Double_t &tgphi);
  52
  53   Int_t GetPhiBin(Double_t phi) const;
  54   Double_t GetPhi(Int_t bin) const;
  55
  56   const char *fPath;              // Path to data directory
  57
  58   TObjArray *fRefTPC;             // TPC track references
  59   TObjArray *fRefTRD;             // TRD track references
  60   Int_t fLabels[100000];          // Track lables
  61
  62   AliRunLoader *fLoader;          // AliRunLoader instance
  63   TTree  *fEsdTree;               // ESD tree
  64   AliESDEvent *fESD;                   // ESD
  65
  66   AliTRDtracker *fTracker;        // TRD tracker instance
  67
  68   // histograms
  69   TH1D *fDeltaPt;                 // Histogram for the pt resolution
  70   TH1D *fDeltaZ;                  // Histogram for the cluster z deviation
  71   TH1D *fDeltaX;                  // Histogram for the cluster x deviation
  72   TH1D *fDeltaYPos;               // Histogram for the cluster y deviation (positives)
  73   TH1D *fDeltaYNeg;               // Histogram for the cluster y deviation (negatives)
  74
  75   TH1D *fNPoints;                 // Histogram for the number of points
  76   TH1D *fNGood;                   // Histogram for the number of good points
  77
  78   TH2D *fRefSpace;                // Histogram for reference space
  79
  80   AliTRDgeometry *fGeo;           // TRD geometry
  81
  82   TH1D *fClY2;                    // Histogram for cluster studies Y
  83   TH1D *fClY3;                    // Histogram for cluster studies Y
  84
  85   TH1D *fTgPhi;                   // Histogram for tangens(phi)
  86   TH1D *fClYTgPhi[12];            // Histogram cluster Y tangen phi
  87
  88   TGraphErrors *fGrResTgPhi;      // Graph resolution tangens phi
  89   TGraphErrors *fGrMeanTgPhi;     // Graph mean tangens phi
  90
  91   //TH1D *fPullY2;
  92   //TH1D *fPullY3;
  93
  94   TH1D *fTrklY;                   // QA histogram
  95   TH1D *fTrklZ;                   // QA histogram
  96
  97   TH1D *fClZ;                     // QA histogram
  98   TH2D *fClZZ;                    // QA histogram
  99   TH2D *fClYY;                    // QA histogram
 100   TH2D *fClYX;                    // QA histogram
 101   TH1D *fNLabels;                 // QA histogram
 102   TH1D *fTestBits;                // QA histogram
 103   TH1D *fRefDx;                   // QA histogram
 104
 105   TH2D *fClZXref;                 // QA histogram
 106   TH2D *fClZXcl;                  // QA histogram
 107
 108   TH2D *fClPos;                   // QA histogram
 109
 110   ClassDef(AliTRDtrackingAnalysis,1)            // qa for Digits
 111 };
 112
 113 #endif
 114
 115