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1 | #ifndef ALIMUONEVENTRECONSTRUCTOR_H | |
2 | #define ALIMUONEVENTRECONSTRUCTOR_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 | #include <TROOT.h> | |
9 | ||
10 | class AliMUONHit; | |
11 | class AliMUONHitForRec; | |
12 | class AliMUONSegment; | |
13 | class TClonesArray; | |
14 | class TFile; | |
15 | class TTree; | |
16 | ||
17 | // Constants which should be elsewhere ???? | |
18 | const Int_t kMaxMuonTrackingChambers = 10; | |
19 | const Int_t kMaxMuonTrackingStations = kMaxMuonTrackingChambers / 2; | |
20 | ||
21 | class AliMUONEventReconstructor : public TObject { | |
22 | ||
23 | public: | |
24 | AliMUONEventReconstructor(void); // Constructor | |
25 | virtual ~AliMUONEventReconstructor(void); // Destructor | |
26 | AliMUONEventReconstructor (const AliMUONEventReconstructor& Reconstructor); // copy constructor | |
27 | AliMUONEventReconstructor& operator=(const AliMUONEventReconstructor& Reconstructor); // assignment operator | |
28 | ||
29 | // Parameters for event reconstruction: public methods | |
30 | // Get and Set, Set to defaults | |
31 | Double_t GetMinBendingMomentum(void) {return fMinBendingMomentum;} | |
32 | void SetMinBendingMomentum(Double_t MinBendingMomentum) {fMinBendingMomentum = MinBendingMomentum;} | |
33 | Double_t GetMaxSigma2Distance(void) {return fMaxSigma2Distance;} | |
34 | void SetMaxSigma2Distance(Double_t MaxSigma2Distance) {fMaxSigma2Distance = MaxSigma2Distance;} | |
35 | Double_t GetBendingResolution(void) {return fBendingResolution;} | |
36 | void SetBendingResolution(Double_t BendingResolution) {fBendingResolution = BendingResolution;} | |
37 | Double_t GetNonBendingResolution(void) {return fNonBendingResolution;} | |
38 | void SetNonBendingResolution(Double_t NonBendingResolution) {fNonBendingResolution = NonBendingResolution;} | |
39 | Double_t GetChamberThicknessInX0(void) {return fChamberThicknessInX0;} | |
40 | void SetChamberThicknessInX0(Double_t ChamberThicknessInX0) {fChamberThicknessInX0 = ChamberThicknessInX0;} | |
41 | Double_t GetSimpleBValue(void) {return fSimpleBValue;} | |
42 | void SetSimpleBValue(Double_t SimpleBValue) {fSimpleBValue = SimpleBValue;} | |
43 | Double_t GetSimpleBLength(void) {return fSimpleBLength;} | |
44 | void SetSimpleBLength(Double_t SimpleBLength) {fSimpleBLength = SimpleBLength;} | |
45 | Double_t GetSimpleBPosition(void) {return fSimpleBPosition;} | |
46 | void SetSimpleBPosition(Double_t SimpleBPosition) {fSimpleBPosition = SimpleBPosition;} | |
47 | Int_t GetRecGeantHits(void) {return fRecGeantHits;} | |
48 | void SetRecGeantHits(Int_t RecGeantHits) {fRecGeantHits = RecGeantHits;} | |
49 | Double_t GetEfficiency(void) {return fEfficiency;} | |
50 | void SetEfficiency(Double_t Efficiency) {fEfficiency = Efficiency;} | |
51 | Int_t GetPrintLevel(void) {return fPrintLevel;} | |
52 | void SetPrintLevel(Int_t PrintLevel) {fPrintLevel = PrintLevel;} | |
53 | void SetReconstructionParametersToDefaults(void); | |
54 | ||
55 | // Parameters for GEANT background events | |
56 | TFile* GetBkgGeantFile(void) {return fBkgGeantFile;} | |
57 | void SetBkgGeantFile(Text_t *BkgGeantFileName); // set background file for GEANT hits | |
58 | void NextBkgGeantEvent(void); // next event in background file for GEANT hits | |
59 | ||
60 | // Hits for reconstruction | |
61 | Int_t GetNHitsForRec() {return fNHitsForRec;} // Number | |
62 | ||
63 | // Functions | |
64 | Double_t GetImpactParamFromBendingMomentum(Double_t BendingMomentum); | |
65 | Double_t GetBendingMomentumFromImpactParam(Double_t ImpactParam); | |
66 | void EventReconstruct(void); | |
67 | void EventDump(void); // dump reconstructed event | |
68 | ||
69 | protected: | |
70 | ||
71 | private: | |
72 | ||
73 | // Parameters for event reconstruction | |
74 | Double_t fMinBendingMomentum; // minimum value (GeV/c) of momentum in bending plane | |
75 | Double_t fMaxSigma2Distance; // maximum square distance in units of the variance (maximum chi2) | |
76 | Double_t fRMin[kMaxMuonTrackingChambers]; // minimum radius (cm) | |
77 | Double_t fRMax[kMaxMuonTrackingChambers]; // maximum radius (cm) | |
78 | Double_t fSegmentMaxDistBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane | |
79 | Double_t fSegmentMaxDistNonBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane | |
80 | Double_t fBendingResolution; // chamber resolution (cm) in bending plane | |
81 | Double_t fNonBendingResolution; // chamber resolution (cm) in non bending plane | |
82 | Double_t fChamberThicknessInX0; // chamber thickness in number of radiation lengths | |
83 | // how to take it from simulation ???? | |
84 | Double_t fSimpleBValue; // simple magnetic field: value (kG) | |
85 | Double_t fSimpleBLength; // simple magnetic field: length (cm) | |
86 | Double_t fSimpleBPosition; // simple magnetic field: Z central position (cm) | |
87 | Int_t fRecGeantHits; // reconstruction from raw clusters (0) or from GEANT hits (1) | |
88 | Double_t fEfficiency; // chamber efficiency (used for GEANT hits only) | |
89 | Int_t fPrintLevel; // print level | |
90 | ||
91 | // Parameters for GEANT background events | |
92 | // should be in AliMUON class ???? | |
93 | TFile *fBkgGeantFile; // pointer to file | |
94 | TTree *fBkgGeantTK; // pointer to tree TK | |
95 | TClonesArray *fBkgGeantParticles; // pointer to list of particles in tree TK | |
96 | TTree *fBkgGeantTH; // pointer to tree TH | |
97 | TClonesArray *fBkgGeantHits; // pointer to list of hits in tree TH | |
98 | Int_t fBkgGeantEventNumber; // event number | |
99 | ||
100 | // Hits for reconstruction (should be in AliMUON ????) | |
101 | TClonesArray *fHitsForRecPtr; // pointer to the array of hits for reconstruction | |
102 | Int_t fNHitsForRec; // number of hits for reconstruction | |
103 | // Information per chamber (should be in AliMUONChamber ????) | |
104 | Int_t fNHitsForRecPerChamber[kMaxMuonTrackingChambers]; // number of HitsForRec | |
105 | Int_t fIndexOfFirstHitForRecPerChamber[kMaxMuonTrackingChambers]; // index (0...) of first HitForRec | |
106 | ||
107 | // Segments inside a station | |
108 | TClonesArray *fSegmentsPtr[kMaxMuonTrackingStations]; // array of pointers to the segments for each station | |
109 | Int_t fNSegments[kMaxMuonTrackingStations]; // number of segments for each station | |
110 | ||
111 | // Tracks | |
112 | TClonesArray *fRecTracksPtr; // pointer to array of reconstructed tracks | |
113 | Int_t fNRecTracks; // number of reconstructed tracks | |
114 | ||
115 | // Functions | |
116 | void ResetHitsForRec(void); | |
117 | void MakeEventToBeReconstructed(void); | |
118 | void AddHitsForRecFromGEANT(TTree *TH); | |
119 | void AddHitsForRecFromBkgGEANT(TTree *TH, TClonesArray *Hits); | |
120 | AliMUONHitForRec* NewHitForRecFromGEANT(AliMUONHit* Hit, Int_t TrackNumber, Int_t HitNumber, Int_t Signal); | |
121 | /* void AddHitsForRecFromCathodeCorrelations(TTree* TC); */ | |
122 | void AddHitsForRecFromRawClusters(TTree* TR); | |
123 | void SortHitsForRecWithIncreasingChamber(); | |
124 | void MakeSegments(void); | |
125 | void ResetSegments(void); | |
126 | void MakeSegmentsPerStation(Int_t Station); | |
127 | void MakeTracks(void); | |
128 | void ResetTracks(void); | |
129 | Int_t MakeTrackCandidatesWithTwoSegments(AliMUONSegment *BegSegment); | |
130 | Int_t MakeTrackCandidatesWithOneSegmentAndOnePoint(AliMUONSegment *BegSegment); | |
131 | void MakeTrackCandidates(void); | |
132 | void FollowTracks(void); | |
133 | ||
134 | ClassDef(AliMUONEventReconstructor, 1) // MUON event reconstructor in ALICE | |
135 | }; | |
136 | ||
137 | #endif |