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