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 */
8 ///////////////////////////////////////////////////////////////////////////////
10 // Class for TRD reconstruction //
12 ///////////////////////////////////////////////////////////////////////////////
14 #include "AliReconstructor.h"
15 #include "AliDetectorRecoParam.h"
16 #include "AliTRDrecoParam.h"
17 #include "AliTRDpidUtil.h"
20 class TTreeSRedirector;
22 class AliTRDReconstructor: public AliReconstructor
25 enum ETRDReconstructorSteer {
26 kDigitsConversion= BIT(0)
27 ,kTC = BIT(1) // tail cancelation
28 ,kLUT = BIT(2) // look up table for cluster position determination
29 ,kGAUS = BIT(3) // look up table for cluster position determination
30 ,kClusterSharing = BIT(4) // Toggle cluster sharing
32 ,kEightSlices = BIT(6)
33 ,kWriteClusters = BIT(7)
34 ,kWriteTracklets = BIT(8)
37 ,kVertexConstrained = BIT(11) // Perform vertex constrained fit
38 ,kImproveTracklet = BIT(12) // Improve tracklet in the SA TRD track finder
42 ,kNsteer = 15 // number of tasks
44 enum ETRDReconstructorTask {
49 ,kNtasks = 4 // number of reconsruction tasks
51 enum ETRDReconstructorGas {
56 AliTRDReconstructor();
57 AliTRDReconstructor(const AliTRDReconstructor &r);
58 virtual ~AliTRDReconstructor();
59 AliTRDReconstructor& operator = (const AliTRDReconstructor&) { return *this;}
63 virtual void ConvertDigits(AliRawReader *rawReader, TTree *digitsTree) const;
64 virtual AliTracker* CreateTracker() const;
65 TTreeSRedirector* GetDebugStream(ETRDReconstructorTask task) const { return task < kNtasks ? fDebugStream[task] : 0x0; }
67 virtual void FillESD(AliRawReader *, TTree *clusterTree, AliESDEvent *esd) const { FillESD((TTree * )NULL, clusterTree, esd); }
68 virtual void FillESD(TTree *digitsTree, TTree *clusterTree, AliESDEvent *esd) const;
69 static TClonesArray* GetClusters() {return fgClusters;}
70 Int_t GetNdEdxSlices() const { return (Int_t)AliTRDpidUtil::GetNdEdxSlices(GetPIDMethod());}
71 ETRDReconstructorGas GetDriftGas() const { return fSteerParam&kDriftGas ? kAr : kXe;}
72 AliTRDpidUtil::ETRDPIDMethod GetPIDMethod() const { return fSteerParam&kSteerPID ? AliTRDpidUtil::kNN : AliTRDpidUtil::kLQ;}
73 static const AliTRDrecoParam* GetRecoParam() { return dynamic_cast<const AliTRDrecoParam*>(AliReconstructor::GetRecoParam(2)); }
74 Int_t GetStreamLevel(ETRDReconstructorTask task) const { return fStreamLevel[task];}
75 inline void GetTCParams(Double_t *par) const;
76 virtual Bool_t HasDigitConversion() const { return fSteerParam&kDigitsConversion; };
77 Bool_t HasVertexConstrained() const { return fSteerParam&kVertexConstrained; }
78 Bool_t HasImproveTracklets() const { return fSteerParam&kImproveTracklet; }
79 Bool_t IsWritingClusters() const { return fSteerParam&kWriteClusters;}
80 Bool_t IsWritingTracklets() const { return fSteerParam&kWriteTracklets;}
81 Bool_t IsHLT() const { return fSteerParam&kHLT;}
82 Bool_t IsSeeding() const { return fSteerParam&kSeeding;}
83 Bool_t IsCosmic() const { return fSteerParam&kCosmic;}
84 Bool_t IsEightSlices() const { return fSteerParam&kEightSlices;}
85 Bool_t UseClusterSharing() const { return fSteerParam&kClusterSharing;}
86 Bool_t UseLUT() const { return fSteerParam&kLUT;}
87 Bool_t UseGAUS() const { return fSteerParam&kGAUS;}
88 Bool_t UseTailCancelation() const { return fSteerParam&kTC;}
90 static void Options(UInt_t steer=0, UChar_t *stream=0x0);
91 virtual void Reconstruct(AliRawReader *rawReader, TTree *clusterTree) const;
92 virtual void Reconstruct(TTree *digitsTree, TTree *clusterTree) const;
94 static void SetClusters(TClonesArray *clusters) {fgClusters = clusters;}
95 void SetOption(Option_t *opt);
96 inline void SetTCParams(Double_t *par);
97 void SetStreamLevel(Int_t level, ETRDReconstructorTask task= kTracker);
100 static Char_t *fgSteerNames[kNsteer];//! steering names
101 static Char_t *fgSteerFlags[kNsteer];//! steering flags
102 static Char_t *fgTaskNames[kNtasks]; //! tasks names
103 static Char_t *fgTaskFlags[kNtasks]; //! tasks flags
104 UChar_t fStreamLevel[kNtasks];// stream level for each reconstruction task
105 UInt_t fSteerParam; // steering bits
106 Double_t fTCParams[8]; // Tail Cancellation parameters for drift gases
107 TTreeSRedirector *fDebugStream[kNtasks];// Debug Streamer container;
109 static TClonesArray *fgClusters; // list of clusters for local reconstructor
111 ClassDef(AliTRDReconstructor, 2) // Class for the TRD reconstruction
115 //___________________________________________________
116 inline void AliTRDReconstructor::GetTCParams(Double_t *par) const
119 if(GetDriftGas()==kAr) memcpy(par, &fTCParams[4], 4*sizeof(Double_t));
120 else memcpy(par, &fTCParams[0], 4*sizeof(Double_t));
123 //___________________________________________________
124 inline void AliTRDReconstructor::SetTCParams(Double_t *par)
127 memcpy(fTCParams, par, 8*sizeof(Double_t));