* See cxx source for full Copyright notice */
/*$Id$*/
+// Revision of includes 07/05/2004
-#include <TROOT.h>
+////////////////////////////////////
+// MUON event reconstructor in ALICE
+////////////////////////////////////
+
+#include <TObject.h>
class AliMUONHit;
class AliMUONHitForRec;
class TClonesArray;
class TFile;
class TTree;
-
-// Constants which should be elsewhere ????
-const Int_t kMaxMuonTrackingChambers = 10;
-const Int_t kMaxMuonTrackingStations = kMaxMuonTrackingChambers / 2;
+class AliMUONRecoEvent;
+class AliMUONData;
+class AliRunLoader;
+class AliLoader;
class AliMUONEventReconstructor : public TObject {
public:
- AliMUONEventReconstructor(void); // Constructor
+ AliMUONEventReconstructor(AliLoader* loader); // default Constructor
virtual ~AliMUONEventReconstructor(void); // Destructor
- AliMUONEventReconstructor (const AliMUONEventReconstructor& Reconstructor); // copy constructor
- AliMUONEventReconstructor& operator=(const AliMUONEventReconstructor& Reconstructor); // assignment operator
// Parameters for event reconstruction: public methods
// Get and Set, Set to defaults
- Double_t GetMinBendingMomentum(void) {return fMinBendingMomentum;}
+ Double_t GetMinBendingMomentum(void) const {return fMinBendingMomentum;}
void SetMinBendingMomentum(Double_t MinBendingMomentum) {fMinBendingMomentum = MinBendingMomentum;}
- Double_t GetMaxSigma2Distance(void) {return fMaxSigma2Distance;}
+ Double_t GetMaxBendingMomentum(void) const {return fMaxBendingMomentum;}
+ void SetMaxBendingMomentum(Double_t MaxBendingMomentum) {fMaxBendingMomentum = MaxBendingMomentum;}
+ Double_t GetMaxChi2(void) const {return fMaxChi2;}
+ void SetMaxChi2(Double_t MaxChi2) {fMaxChi2 = MaxChi2;}
+ Double_t GetMaxSigma2Distance(void) const {return fMaxSigma2Distance;}
void SetMaxSigma2Distance(Double_t MaxSigma2Distance) {fMaxSigma2Distance = MaxSigma2Distance;}
- Double_t GetBendingResolution(void) {return fBendingResolution;}
+ Double_t GetBendingResolution(void) const {return fBendingResolution;}
void SetBendingResolution(Double_t BendingResolution) {fBendingResolution = BendingResolution;}
- Double_t GetNonBendingResolution(void) {return fNonBendingResolution;}
+ Double_t GetNonBendingResolution(void) const {return fNonBendingResolution;}
void SetNonBendingResolution(Double_t NonBendingResolution) {fNonBendingResolution = NonBendingResolution;}
- Double_t GetChamberThicknessInX0(void) {return fChamberThicknessInX0;}
+ Double_t GetChamberThicknessInX0(void) const {return fChamberThicknessInX0;}
void SetChamberThicknessInX0(Double_t ChamberThicknessInX0) {fChamberThicknessInX0 = ChamberThicknessInX0;}
- Double_t GetSimpleBValue(void) {return fSimpleBValue;}
+ Double_t GetSimpleBValue(void) const {return fSimpleBValue;}
void SetSimpleBValue(Double_t SimpleBValue) {fSimpleBValue = SimpleBValue;}
- Double_t GetSimpleBLength(void) {return fSimpleBLength;}
+ Double_t GetSimpleBLength(void) const {return fSimpleBLength;}
void SetSimpleBLength(Double_t SimpleBLength) {fSimpleBLength = SimpleBLength;}
- Double_t GetSimpleBPosition(void) {return fSimpleBPosition;}
+ Double_t GetSimpleBPosition(void) const {return fSimpleBPosition;}
void SetSimpleBPosition(Double_t SimpleBPosition) {fSimpleBPosition = SimpleBPosition;}
- Int_t GetRecGeantHits(void) {return fRecGeantHits;}
+ Int_t GetRecGeantHits(void) const {return fRecGeantHits;}
void SetRecGeantHits(Int_t RecGeantHits) {fRecGeantHits = RecGeantHits;}
- Double_t GetEfficiency(void) {return fEfficiency;}
+ Double_t GetEfficiency(void) const {return fEfficiency;}
void SetEfficiency(Double_t Efficiency) {fEfficiency = Efficiency;}
- Int_t GetPrintLevel(void) {return fPrintLevel;}
+ Int_t GetPrintLevel(void) const {return fPrintLevel;}
void SetPrintLevel(Int_t PrintLevel) {fPrintLevel = PrintLevel;}
void SetReconstructionParametersToDefaults(void);
// Parameters for GEANT background events
- TFile* GetBkgGeantFile(void) {return fBkgGeantFile;}
+ TFile* GetBkgGeantFile(void) const {return fBkgGeantFile;}
void SetBkgGeantFile(Text_t *BkgGeantFileName); // set background file for GEANT hits
void NextBkgGeantEvent(void); // next event in background file for GEANT hits
// Hits for reconstruction
- Int_t GetNHitsForRec(void) {return fNHitsForRec;} // Number
+ Int_t GetNHitsForRec(void) const {return fNHitsForRec;} // Number
// Reconstructed tracks
- Int_t GetNRecTracks() {return fNRecTracks;} // Number
+ Int_t GetNRecTracks() const {return fNRecTracks;} // Number
void SetNRecTracks(Int_t NRecTracks) {fNRecTracks = NRecTracks;}
- TClonesArray* GetRecTracksPtr(void) {return fRecTracksPtr;} // Array
+ TClonesArray* GetRecTracksPtr(void) const {return fRecTracksPtr;} // Array
+
+ // Reconstructed trigger tracks
+ Int_t GetNRecTriggerTracks() const {return fNRecTriggerTracks;} // Number
+ void SetNRecTriggerTracks(Int_t NRecTriggerTracks) {fNRecTriggerTracks = NRecTriggerTracks;}
+ TClonesArray* GetRecTriggerTracksPtr(void) const {return fRecTriggerTracksPtr;} // Array
// Hits on reconstructed tracks
- Int_t GetNRecTrackHits() {return fNRecTrackHits;} // Number
+ Int_t GetNRecTrackHits() const {return fNRecTrackHits;} // Number
void SetNRecTrackHits(Int_t NRecTrackHits) {fNRecTrackHits = NRecTrackHits;}
- TClonesArray* GetRecTrackHitsPtr(void) {return fRecTrackHitsPtr;} // Array
+ TClonesArray* GetRecTrackHitsPtr(void) const {return fRecTrackHitsPtr;} // Array
// Functions
- Double_t GetImpactParamFromBendingMomentum(Double_t BendingMomentum);
- Double_t GetBendingMomentumFromImpactParam(Double_t ImpactParam);
+ Double_t GetImpactParamFromBendingMomentum(Double_t BendingMomentum) const;
+ Double_t GetBendingMomentumFromImpactParam(Double_t ImpactParam) const;
void EventReconstruct(void);
+ void EventReconstructTrigger(void);
void EventDump(void); // dump reconstructed event
+ void EventDumpTrigger(void); // dump reconstructed trigger event
+ void FillEvent(); // fill and write tree of reconstructed events
+ void SetTrackMethod(Int_t iTrackMethod); //AZ
+ Int_t GetTrackMethod(void) const {return fTrackMethod;}
+ void FillMUONTrack(void); // set track parameters at hits for Kalman track
+ //Int_t fMuons; // AZ - number of muons within acceptance - just for tests
+
+ AliMUONData* GetMUONData() {return fMUONData;}
protected:
+ AliMUONEventReconstructor (const AliMUONEventReconstructor& rhs); // copy constructor
+ AliMUONEventReconstructor& operator=(const AliMUONEventReconstructor& rhs); // assignment operator
private:
+ // Constants which should be elsewhere ????
+ static const Int_t fgkMaxMuonTrackingChambers = 10; // Max number of Muon tracking chambers
+ static const Int_t fgkMaxMuonTrackingStations = 5; // Max number of Muon tracking stations
+
+ // Defaults parameters for reconstruction
+ static const Double_t fgkDefaultMinBendingMomentum; // default min. bending momentum for reconstruction
+ static const Double_t fgkDefaultMaxBendingMomentum; // default max. bending momentum for reconstruction
+ static const Double_t fgkDefaultMaxChi2; // default max. track chi2 for reconstruction
+ static const Double_t fgkDefaultMaxSigma2Distance; // default square of max. distance for window size
+ static const Double_t fgkDefaultBendingResolution; // default bending coordinate resolution for reconstruction
+ static const Double_t fgkDefaultNonBendingResolution; // default non bending coordinate resolution for reconstruction
+ static const Double_t fgkDefaultChamberThicknessInX0; // default chamber thickness in X0 for reconstruction
+ // Simple magnetic field:
+ // Value taken from macro MUONtracking.C: 0.7 T, hence 7 kG
+ // Length and Position from reco_muon.F, with opposite sign:
+ // Length = ZMAGEND-ZCOIL
+ // Position = (ZMAGEND+ZCOIL)/2
+ // to be ajusted differently from real magnetic field ????
+ static const Double_t fgkDefaultSimpleBValue; // default value of magnetic field (dipole)
+ static const Double_t fgkDefaultSimpleBLength; // default length of magnetic field (dipole)
+ static const Double_t fgkDefaultSimpleBPosition; // default position of magnetic field (dipole)
+ static const Int_t fgkDefaultRecGeantHits; // default flag for reconstrution GEANT hits or Clusters
+ static const Double_t fgkDefaultEfficiency; // default chamber efficiency for GEANT hits recontruction
+
+ static const Int_t fgkDefaultPrintLevel; // default print level
+
+ Int_t fTrackMethod; // AZ - tracking method
+
// Parameters for event reconstruction
Double_t fMinBendingMomentum; // minimum value (GeV/c) of momentum in bending plane
+ // Parameters for event reconstruction
+ Double_t fMaxBendingMomentum; // maximum value (GeV/c) of momentum in bending plane
+ Double_t fMaxChi2; // maximum Chi2 per degree of Freedom
Double_t fMaxSigma2Distance; // maximum square distance in units of the variance (maximum chi2)
- Double_t fRMin[kMaxMuonTrackingChambers]; // minimum radius (cm)
- Double_t fRMax[kMaxMuonTrackingChambers]; // maximum radius (cm)
- Double_t fSegmentMaxDistBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane
- Double_t fSegmentMaxDistNonBending[kMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane
+ Double_t fRMin[fgkMaxMuonTrackingChambers]; // minimum radius (cm)
+ Double_t fRMax[fgkMaxMuonTrackingChambers]; // maximum radius (cm)
+ Double_t fSegmentMaxDistBending[fgkMaxMuonTrackingStations]; // maximum distance (cm) for segments in bending plane
+ Double_t fSegmentMaxDistNonBending[fgkMaxMuonTrackingStations]; // maximum distance (cm) for segments in non bending plane
Double_t fBendingResolution; // chamber resolution (cm) in bending plane
Double_t fNonBendingResolution; // chamber resolution (cm) in non bending plane
Double_t fChamberThicknessInX0; // chamber thickness in number of radiation lengths
TTree *fBkgGeantTK; // pointer to tree TK
TClonesArray *fBkgGeantParticles; // pointer to list of particles in tree TK
TTree *fBkgGeantTH; // pointer to tree TH
- TClonesArray *fBkgGeantHits; // pointer to list of hits in tree TH
- Int_t fBkgGeantEventNumber; // event number
+ TClonesArray *fBkgGeantHits; // pointer to list of hits in tree TH
+ Int_t fBkgGeantEventNumber; // event number
// Hits for reconstruction (should be in AliMUON ????)
TClonesArray *fHitsForRecPtr; // pointer to the array of hits for reconstruction
Int_t fNHitsForRec; // number of hits for reconstruction
// Information per chamber (should be in AliMUONChamber ????)
- Int_t fNHitsForRecPerChamber[kMaxMuonTrackingChambers]; // number of HitsForRec
- Int_t fIndexOfFirstHitForRecPerChamber[kMaxMuonTrackingChambers]; // index (0...) of first HitForRec
+ Int_t fNHitsForRecPerChamber[fgkMaxMuonTrackingChambers]; // number of HitsForRec
+ Int_t fIndexOfFirstHitForRecPerChamber[fgkMaxMuonTrackingChambers]; // index (0...) of first HitForRec
// Segments inside a station
- TClonesArray *fSegmentsPtr[kMaxMuonTrackingStations]; // array of pointers to the segments for each station
- Int_t fNSegments[kMaxMuonTrackingStations]; // number of segments for each station
+ TClonesArray *fSegmentsPtr[fgkMaxMuonTrackingStations]; // array of pointers to the segments for each station
+ Int_t fNSegments[fgkMaxMuonTrackingStations]; // number of segments for each station
// Reconstructed tracks
TClonesArray *fRecTracksPtr; // pointer to array of reconstructed tracks
Int_t fNRecTracks; // number of reconstructed tracks
+ // Reconstructed trigger tracks
+ TClonesArray *fRecTriggerTracksPtr; // pointer to array of reconstructed trigger tracks
+ Int_t fNRecTriggerTracks; // number of reconstructed trigger tracks
+
// Track hits on reconstructed tracks
TClonesArray *fRecTrackHitsPtr; // pointer to array of hits on reconstructed tracks
Int_t fNRecTrackHits; // number of hits on reconstructed tracks
+ // Objects needed for tree writing
+ AliMUONRecoEvent *fRecoEvent; // the reconstructed event
+ TTree *fEventTree; // tree of reconstructed events
+ TFile *fTreeFile; // file where the tree is outputed
+
+ // data container
+ AliMUONData* fMUONData; // Data container for MUON subsystem
+
+ // alice loader
+ AliLoader* fLoader; // MUON loader to get data
+
+ Int_t fMuons; // AZ - number of muons within acceptance - just for tests
+
// Functions
void ResetHitsForRec(void);
void MakeEventToBeReconstructed(void);
void ResetSegments(void);
void MakeSegmentsPerStation(Int_t Station);
void MakeTracks(void);
+ Bool_t MakeTriggerTracks(void);
void ResetTrackHits(void);
void ResetTracks(void);
+ void ResetTriggerTracks(void);
Int_t MakeTrackCandidatesWithTwoSegments(AliMUONSegment *BegSegment);
Int_t MakeTrackCandidatesWithOneSegmentAndOnePoint(AliMUONSegment *BegSegment);
void MakeTrackCandidates(void);
void FollowTracks(void);
void RemoveDoubleTracks(void);
+ void UpdateTrackParamAtHit(void);
+ void UpdateHitForRecAtHit(void);
+ void ValidateTracksWithTrigger(void);
+
+
+ //AZ - for Kalman Filter
+ void MakeTrackCandidatesK(void);
+ void FollowTracksK(void);
+ void RemoveDoubleTracksK(void);
+ void GoToVertex(void);
+ Bool_t CheckCandidateK(Int_t icand, Int_t nSeeds) const;
- ClassDef(AliMUONEventReconstructor, 1) // MUON event reconstructor in ALICE
+ ClassDef(AliMUONEventReconstructor, 0) // MUON event reconstructor in ALICE
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff