TRD/AliTRDReconstructor.h

   1 #ifndef ALITRDRECONSTRUCTOR_H
   2 #define ALITRDRECONSTRUCTOR_H
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /* $Id$ */
   7
   8 ///////////////////////////////////////////////////////////////////////////////
   9 //                                                                           //
  10 // Class for TRD reconstruction                                              //
  11 //                                                                           //
  12 ///////////////////////////////////////////////////////////////////////////////
  13
  14 #include "AliReconstructor.h"
  15 #include "AliRecoParam.h"
  16 #include "AliDetectorRecoParam.h"
  17 #include "AliTRDpidUtil.h"
  18 #include "AliTRDrecoParam.h"
  19 #include "AliTRDdigitsParam.h"
  20 #include "AliESDTrdTrigger.h"
  21
  22 class TClonesArray;
  23 class TTreeSRedirector;
  24 class AliRawReader;
  25 class AliTRDclusterizer;
  26 class AliTRDReconstructor: public AliReconstructor
  27 {
  28 public:
  29   enum ETRDReconstructorSteer {
  30     kDigitsConversion= BIT(0)
  31     ,kWriteClusters  = BIT(1)
  32     ,kWriteTracklets = BIT(2)
  33     ,kSeeding        = BIT(3)
  34     ,kHLT            = BIT(4)
  35     ,kProcTracklets  = BIT(5) // process online tracklets
  36     ,kDebug          = BIT(6)
  37     ,kClRadialCorr   = BIT(7) // toggle radial correction in clusters
  38     ,kOwner          = BIT(8)
  39     ,kNsteer         = 8      // number of tasks
  40   };
  41   AliTRDReconstructor();
  42   virtual ~AliTRDReconstructor();
  43
  44         virtual void        Init();
  45
  46   virtual void        ConvertDigits(AliRawReader *rawReader, TTree *digitsTree) const;
  47   virtual AliTracker* CreateTracker() const;
  48   TTreeSRedirector*   GetDebugStream(AliTRDrecoParam::ETRDReconstructionTask task) const { return task < AliTRDrecoParam::kTRDreconstructionTasks ? fDebugStream[task] : NULL; }
  49
  50   virtual void        FillESD(AliRawReader *, TTree *clusterTree, AliESDEvent *esd) const { FillESD((TTree * )NULL, clusterTree, esd);                    }
  51   virtual void        FillESD(TTree *digitsTree, TTree *clusterTree, AliESDEvent *esd) const;
  52   static TClonesArray* GetClusters()             {return fgClusters;}
  53   static TClonesArray* GetTracklets()            { return fgTracklets;}
  54   static TClonesArray* GetTracks()               { return fgTracks;}
  55   static Int_t        GetNTimeBins()             { return fgNTimeBins;}
  56   Int_t               GetNdEdxSlices() const     { return (Int_t)AliTRDpidUtil::GetNdEdxSlices(GetPIDMethod());}
  57   AliTRDpidUtil::ETRDPIDMethod       GetPIDMethod() const       { return GetRecoParam()->IsPIDNeuralNetwork() ? AliTRDpidUtil::kNN : AliTRDpidUtil::kLQ;}
  58   static const AliTRDrecoParam* GetRecoParam()   { return dynamic_cast<const AliTRDrecoParam*>(AliReconstructor::GetRecoParam(2)); }
  59   static Float_t      GetMinClustersInTrack()    { return fgkMinClustersInTrack;}
  60   static Float_t      GetLabelFraction()         { return fgkLabelFraction;}
  61   static Double_t     GetMaxChi2()               { return fgkMaxChi2;}
  62   static Double_t     GetMaxSnp()                { return fgkMaxSnp;}
  63   static Double_t     GetMaxStep()               { return fgkMaxStep;}
  64   static Double_t     GetEpsilon()               { return fgkEpsilon;}
  65
  66   virtual Bool_t      HasDigitConversion() const { return fSteerParam&kDigitsConversion;  };
  67   Bool_t              IsCosmic() const           { return GetRecoParam()->GetEventSpecie() & AliRecoParam::kCosmic;}
  68   Bool_t              IsWritingClusters() const  { return fSteerParam&kWriteClusters;}
  69   Bool_t              IsWritingTracklets() const { return fSteerParam&kWriteTracklets;}
  70   Bool_t              IsHLT() const              { return fSteerParam&kHLT;}
  71   Bool_t              IsSeeding() const          { return fSteerParam&kSeeding;}
  72   Bool_t              IsProcessingTracklets() const { return fSteerParam&kProcTracklets;}
  73   Bool_t              IsDebugStreaming() const   { return fSteerParam&kDebug;}
  74   Bool_t              UseClusterRadialCorrection() const { return fSteerParam&kClRadialCorr;}
  75
  76   static void         Options(UInt_t steer=0);
  77   virtual void        Reconstruct(AliRawReader *rawReader, TTree *clusterTree) const;
  78   virtual void        Reconstruct(TTree *digitsTree, TTree *clusterTree) const;
  79
  80   static void         SetClusters(TClonesArray *clusters)  { fgClusters = clusters;}
  81   static void         SetTracklets(TClonesArray *tracklets) { fgTracklets = tracklets;}
  82   static void         SetTracks(TClonesArray *tracks) { fgTracks = tracks;}
  83   void                SetOption(Option_t *opt);
  84
  85 private:
  86   AliTRDReconstructor(const AliTRDReconstructor &r); //Not implemented
  87   AliTRDReconstructor& operator = (const AliTRDReconstructor&); //Not implemented
  88
  89   static Char_t const *fgSteerNames[kNsteer];//! steering names
  90   static Char_t const *fgSteerFlags[kNsteer];//! steering flags
  91   static Char_t const   *fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks]; //! tasks names
  92   static Char_t const   *fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks]; //! tasks flags
  93   UInt_t            fSteerParam;          // steering bits
  94   // configuration vars for tracking
  95   static const Double_t    fgkMaxChi2;                  // Max increment in track chi2
  96   static const Float_t     fgkMinClustersInTrack;       // Min number of clusters in track
  97   static const Float_t     fgkLabelFraction;            // Min fraction of same label
  98   static const Double_t    fgkMaxSnp;                   // Maximal snp for tracking
  99   static const Double_t    fgkMaxStep;                  // Maximal step for tracking
 100   static const Double_t    fgkEpsilon;                  // Precision of radial coordinate
 101
 102   TTreeSRedirector *fDebugStream[AliTRDrecoParam::kTRDreconstructionTasks];// Debug Streamer container;
 103
 104   static TClonesArray *fgClusters;    //  list of clusters for local reconstructor
 105   static TClonesArray *fgTracklets;   //  list of online tracklets for local reconstructor
 106   static TClonesArray *fgTracks;      //  list of GTU tracks for local reconstructor
 107   static Int_t         fgNTimeBins;   //  number of time bins as given by the clusterizer
 108   AliTRDclusterizer   *fClusterizer;  //! instance of TRD clusterizer
 109   static AliESDTrdTrigger fgTriggerFlags; //  L1 trigger flags
 110
 111   ClassDef(AliTRDReconstructor, 5)    //  Class for the TRD reconstruction
 112
 113 };
 114
 115
 116
 117 #endif
 118