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a9e2aefa | 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 | ||
3831f268 | 8 | //////////////////////////////////// |
9 | // MUON event reconstructor in ALICE | |
10 | //////////////////////////////////// | |
11 | ||
12 | #include <TObject.h> | |
a9e2aefa | 13 | |
14 | class AliMUONHit; | |
15 | class AliMUONHitForRec; | |
16 | class AliMUONSegment; | |
17 | class TClonesArray; | |
18 | class TFile; | |
19 | class TTree; | |
c7ba256d | 20 | class AliMUONRecoEvent; |
a9e2aefa | 21 | |
22 | // Constants which should be elsewhere ???? | |
9cbdf048 | 23 | const Int_t kMaxMuonTrackingChambers = 10; |
24 | const Int_t kMaxMuonTrackingStations = kMaxMuonTrackingChambers / 2; | |
a9e2aefa | 25 | |
26 | class AliMUONEventReconstructor : public TObject { | |
27 | ||
28 | public: | |
29 | AliMUONEventReconstructor(void); // Constructor | |
30 | virtual ~AliMUONEventReconstructor(void); // Destructor | |
9cbdf048 | 31 | AliMUONEventReconstructor (const AliMUONEventReconstructor& Reconstructor); // copy constructor |
32 | AliMUONEventReconstructor& operator=(const AliMUONEventReconstructor& Reconstructor); // assignment operator | |
a9e2aefa | 33 | |
34 | // Parameters for event reconstruction: public methods | |
35 | // Get and Set, Set to defaults | |
3831f268 | 36 | Double_t GetMinBendingMomentum(void) const {return fMinBendingMomentum;} |
a9e2aefa | 37 | void SetMinBendingMomentum(Double_t MinBendingMomentum) {fMinBendingMomentum = MinBendingMomentum;} |
3831f268 | 38 | Double_t GetMaxBendingMomentum(void) const {return fMaxBendingMomentum;} |
d0bfce8d | 39 | void SetMaxBendingMomentum(Double_t MaxBendingMomentum) {fMaxBendingMomentum = MaxBendingMomentum;} |
3831f268 | 40 | Double_t GetMaxChi2(void) const {return fMaxChi2;} |
d0bfce8d | 41 | void SetMaxChi2(Double_t MaxChi2) {fMaxChi2 = MaxChi2;} |
3831f268 | 42 | Double_t GetMaxSigma2Distance(void) const {return fMaxSigma2Distance;} |
a9e2aefa | 43 | void SetMaxSigma2Distance(Double_t MaxSigma2Distance) {fMaxSigma2Distance = MaxSigma2Distance;} |
3831f268 | 44 | Double_t GetBendingResolution(void) const {return fBendingResolution;} |
a9e2aefa | 45 | void SetBendingResolution(Double_t BendingResolution) {fBendingResolution = BendingResolution;} |
3831f268 | 46 | Double_t GetNonBendingResolution(void) const {return fNonBendingResolution;} |
a9e2aefa | 47 | void SetNonBendingResolution(Double_t NonBendingResolution) {fNonBendingResolution = NonBendingResolution;} |
3831f268 | 48 | Double_t GetChamberThicknessInX0(void) const {return fChamberThicknessInX0;} |
a9e2aefa | 49 | void SetChamberThicknessInX0(Double_t ChamberThicknessInX0) {fChamberThicknessInX0 = ChamberThicknessInX0;} |
3831f268 | 50 | Double_t GetSimpleBValue(void) const {return fSimpleBValue;} |
a9e2aefa | 51 | void SetSimpleBValue(Double_t SimpleBValue) {fSimpleBValue = SimpleBValue;} |
3831f268 | 52 | Double_t GetSimpleBLength(void) const {return fSimpleBLength;} |
a9e2aefa | 53 | void SetSimpleBLength(Double_t SimpleBLength) {fSimpleBLength = SimpleBLength;} |
3831f268 | 54 | Double_t GetSimpleBPosition(void) const {return fSimpleBPosition;} |
a9e2aefa | 55 | void SetSimpleBPosition(Double_t SimpleBPosition) {fSimpleBPosition = SimpleBPosition;} |
3831f268 | 56 | Int_t GetRecGeantHits(void) const {return fRecGeantHits;} |
a9e2aefa | 57 | void SetRecGeantHits(Int_t RecGeantHits) {fRecGeantHits = RecGeantHits;} |
3831f268 | 58 | Double_t GetEfficiency(void) const {return fEfficiency;} |
a9e2aefa | 59 | void SetEfficiency(Double_t Efficiency) {fEfficiency = Efficiency;} |
3831f268 | 60 | Int_t GetPrintLevel(void) const {return fPrintLevel;} |
a9e2aefa | 61 | void SetPrintLevel(Int_t PrintLevel) {fPrintLevel = PrintLevel;} |
62 | void SetReconstructionParametersToDefaults(void); | |
63 | ||
64 | // Parameters for GEANT background events | |
3831f268 | 65 | TFile* GetBkgGeantFile(void) const {return fBkgGeantFile;} |
a9e2aefa | 66 | void SetBkgGeantFile(Text_t *BkgGeantFileName); // set background file for GEANT hits |
67 | void NextBkgGeantEvent(void); // next event in background file for GEANT hits | |
68 | ||
69 | // Hits for reconstruction | |
3831f268 | 70 | Int_t GetNHitsForRec(void) const {return fNHitsForRec;} // Number |
8429a5e4 | 71 | |
72 | // Reconstructed tracks | |
3831f268 | 73 | Int_t GetNRecTracks() const {return fNRecTracks;} // Number |
8429a5e4 | 74 | void SetNRecTracks(Int_t NRecTracks) {fNRecTracks = NRecTracks;} |
3831f268 | 75 | TClonesArray* GetRecTracksPtr(void) const {return fRecTracksPtr;} // Array |
8429a5e4 | 76 | |
77 | // Hits on reconstructed tracks | |
3831f268 | 78 | Int_t GetNRecTrackHits() const {return fNRecTrackHits;} // Number |
8429a5e4 | 79 | void SetNRecTrackHits(Int_t NRecTrackHits) {fNRecTrackHits = NRecTrackHits;} |
3831f268 | 80 | TClonesArray* GetRecTrackHitsPtr(void) const {return fRecTrackHitsPtr;} // Array |
a9e2aefa | 81 | |
82 | // Functions | |
3831f268 | 83 | Double_t GetImpactParamFromBendingMomentum(Double_t BendingMomentum) const; |
84 | Double_t GetBendingMomentumFromImpactParam(Double_t ImpactParam) const; | |
a9e2aefa | 85 | void EventReconstruct(void); |
04b5ea16 | 86 | void EventDump(void); // dump reconstructed event |
c7ba256d | 87 | void FillEvent(); // fill and write tree of reconstructed events |
83dbc640 | 88 | void SetTrackMethod(Int_t TrackMethod) {fTrackMethod = TrackMethod;} //AZ |
89 | Int_t GetTrackMethod(void) const {return fTrackMethod;} //AZ | |
90 | Int_t fMuons; // AZ - number of muons within acceptance - just for tests | |
9cbdf048 | 91 | protected: |
92 | ||
a9e2aefa | 93 | private: |
94 | ||
83dbc640 | 95 | Int_t fTrackMethod; // AZ - tracking method |
96 | ||
a9e2aefa | 97 | // Parameters for event reconstruction |
98 | Double_t fMinBendingMomentum; // minimum value (GeV/c) of momentum in bending plane | |
d0bfce8d | 99 | // Parameters for event reconstruction |
100 | Double_t fMaxBendingMomentum; // maximum value (GeV/c) of momentum in bending plane | |
101 | Double_t fMaxChi2; // maximum Chi2 per degree of Freedom | |
a9e2aefa | 102 | Double_t fMaxSigma2Distance; // maximum square distance in units of the variance (maximum chi2) |
9cbdf048 | 103 | Double_t fRMin[kMaxMuonTrackingChambers]; // minimum radius (cm) |
104 | Double_t fRMax[kMaxMuonTrackingChambers]; // maximum radius (cm) | |
105 | Double_t fSegmentMaxDistBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane | |
ba5b68db | 106 | Double_t fSegmentMaxDistNonBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in non bending plane |
a9e2aefa | 107 | Double_t fBendingResolution; // chamber resolution (cm) in bending plane |
108 | Double_t fNonBendingResolution; // chamber resolution (cm) in non bending plane | |
109 | Double_t fChamberThicknessInX0; // chamber thickness in number of radiation lengths | |
110 | // how to take it from simulation ???? | |
111 | Double_t fSimpleBValue; // simple magnetic field: value (kG) | |
112 | Double_t fSimpleBLength; // simple magnetic field: length (cm) | |
113 | Double_t fSimpleBPosition; // simple magnetic field: Z central position (cm) | |
114 | Int_t fRecGeantHits; // reconstruction from raw clusters (0) or from GEANT hits (1) | |
115 | Double_t fEfficiency; // chamber efficiency (used for GEANT hits only) | |
116 | Int_t fPrintLevel; // print level | |
117 | ||
118 | // Parameters for GEANT background events | |
119 | // should be in AliMUON class ???? | |
120 | TFile *fBkgGeantFile; // pointer to file | |
121 | TTree *fBkgGeantTK; // pointer to tree TK | |
122 | TClonesArray *fBkgGeantParticles; // pointer to list of particles in tree TK | |
123 | TTree *fBkgGeantTH; // pointer to tree TH | |
124 | TClonesArray *fBkgGeantHits; // pointer to list of hits in tree TH | |
125 | Int_t fBkgGeantEventNumber; // event number | |
126 | ||
127 | // Hits for reconstruction (should be in AliMUON ????) | |
128 | TClonesArray *fHitsForRecPtr; // pointer to the array of hits for reconstruction | |
129 | Int_t fNHitsForRec; // number of hits for reconstruction | |
130 | // Information per chamber (should be in AliMUONChamber ????) | |
9cbdf048 | 131 | Int_t fNHitsForRecPerChamber[kMaxMuonTrackingChambers]; // number of HitsForRec |
132 | Int_t fIndexOfFirstHitForRecPerChamber[kMaxMuonTrackingChambers]; // index (0...) of first HitForRec | |
a9e2aefa | 133 | |
134 | // Segments inside a station | |
9cbdf048 | 135 | TClonesArray *fSegmentsPtr[kMaxMuonTrackingStations]; // array of pointers to the segments for each station |
136 | Int_t fNSegments[kMaxMuonTrackingStations]; // number of segments for each station | |
a9e2aefa | 137 | |
8429a5e4 | 138 | // Reconstructed tracks |
a9e2aefa | 139 | TClonesArray *fRecTracksPtr; // pointer to array of reconstructed tracks |
140 | Int_t fNRecTracks; // number of reconstructed tracks | |
141 | ||
8429a5e4 | 142 | // Track hits on reconstructed tracks |
143 | TClonesArray *fRecTrackHitsPtr; // pointer to array of hits on reconstructed tracks | |
144 | Int_t fNRecTrackHits; // number of hits on reconstructed tracks | |
145 | ||
c7ba256d | 146 | // Objects needed for tree writing |
147 | AliMUONRecoEvent *fRecoEvent; // the reconstructed event | |
148 | TTree *fEventTree; // tree of reconstructed events | |
149 | TFile *fTreeFile; // file where the tree is outputed | |
150 | ||
a9e2aefa | 151 | // Functions |
152 | void ResetHitsForRec(void); | |
153 | void MakeEventToBeReconstructed(void); | |
154 | void AddHitsForRecFromGEANT(TTree *TH); | |
155 | void AddHitsForRecFromBkgGEANT(TTree *TH, TClonesArray *Hits); | |
156 | AliMUONHitForRec* NewHitForRecFromGEANT(AliMUONHit* Hit, Int_t TrackNumber, Int_t HitNumber, Int_t Signal); | |
157 | /* void AddHitsForRecFromCathodeCorrelations(TTree* TC); */ | |
158 | void AddHitsForRecFromRawClusters(TTree* TR); | |
159 | void SortHitsForRecWithIncreasingChamber(); | |
160 | void MakeSegments(void); | |
161 | void ResetSegments(void); | |
162 | void MakeSegmentsPerStation(Int_t Station); | |
163 | void MakeTracks(void); | |
8429a5e4 | 164 | void ResetTrackHits(void); |
a9e2aefa | 165 | void ResetTracks(void); |
166 | Int_t MakeTrackCandidatesWithTwoSegments(AliMUONSegment *BegSegment); | |
167 | Int_t MakeTrackCandidatesWithOneSegmentAndOnePoint(AliMUONSegment *BegSegment); | |
168 | void MakeTrackCandidates(void); | |
169 | void FollowTracks(void); | |
8429a5e4 | 170 | void RemoveDoubleTracks(void); |
a9e2aefa | 171 | |
83dbc640 | 172 | |
173 | ||
174 | //AZ - for Kalman Filter | |
175 | void MakeTrackCandidatesK(void); | |
176 | void FollowTracksK(void); | |
177 | void RemoveDoubleTracksK(void); | |
178 | void GoToVertex(void); | |
179 | Bool_t CheckCandidateK(Int_t icand, Int_t nSeeds); | |
180 | ||
ecfa008b | 181 | ClassDef(AliMUONEventReconstructor, 0) // MUON event reconstructor in ALICE |
a9e2aefa | 182 | }; |
183 | ||
184 | #endif |