#include <TObject.h>
-class TClonesArray;
class AliMUONTrack;
class AliMUONTrackParam;
-class AliMUONHitForRec;
+class AliMUONVCluster;
class AliMUONTriggerTrack;
class AliMUONTrackHitPattern;
+class AliMUONVClusterServer;
class AliMUONVClusterStore;
class AliMUONVTrackStore;
class AliMUONVTriggerTrackStore;
class AliMUONGeometryTransformer;
class AliMUONDigitMaker;
class AliMUONTriggerCircuit;
+class TClonesArray;
+class AliMUONRecoParam;
+class AliMUONLocalTrigger;
class AliMUONVTrackReconstructor : public TObject {
public:
- AliMUONVTrackReconstructor(); // default Constructor
+ AliMUONVTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer,
+ const AliMUONGeometryTransformer* transformer); // default Constructor
virtual ~AliMUONVTrackReconstructor(); // Destructor
- // Parameters for track reconstruction: public methods
- // Get and Set, Set to defaults
- /// Return minimum value (GeV/c) of momentum in bending plane
- Double_t GetMinBendingMomentum() const {return fMinBendingMomentum;}
-
- // Reconstructed tracks
- /// Return number of reconstructed tracks
- Int_t GetNRecTracks() const {return fNRecTracks;} // Number
- /// Set number of reconstructed tracks
- void SetNRecTracks(Int_t NRecTracks) {fNRecTracks = NRecTracks;}
- /// Return array of reconstructed tracks
- TClonesArray* GetRecTracksPtr() const {return fRecTracksPtr;} // Array
-
- // Functions
- void EventReconstruct(const AliMUONVClusterStore& clusterStore,
+
+ void EventReconstruct(AliMUONVClusterStore& clusterStore,
AliMUONVTrackStore& trackStore);
void EventReconstructTrigger(const AliMUONTriggerCircuit& triggerCircuit,
const AliMUONVTriggerTrackStore& triggerTrackStore,
const AliMUONVTriggerStore& triggerStore,
const AliMUONTrackHitPattern& trackHitPattern);
+
+ /// Return reco parameters
+ const AliMUONRecoParam* GetRecoParam() const { return fkRecoParam; }
+
+ /// Re-fit the given track
+ virtual Bool_t RefitTrack(AliMUONTrack &track, Bool_t enableImprovement = kTRUE) = 0;
+
+ Bool_t TriggerToTrack(const AliMUONTriggerCircuit& circuit,
+ const AliMUONLocalTrigger& locTrg,
+ AliMUONTriggerTrack& triggerTrack,
+ UChar_t globalTriggerPattern = 0);
+
protected:
- // 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 fgkDefaultMaxNormChi2MatchTrigger; ///< default maximum normalized chi2 of tracking/trigger track matching
-
- // Parameters for track reconstruction
- static const Double_t fgkSigmaToCutForTracking; ///< cut in sigma to apply on cluster local chi2 and track global chi2 during tracking
- static const Double_t fgkSigmaToCutForImprovement; ///< cut in sigma to apply on cluster local chi2 during track improvement
- static const Bool_t fgkMakeTrackCandidatesFast; ///< kTRUE to make track candidates assuming linear propagation between stations 4 and 5
- static const Bool_t fgkTrackAllTracks; ///< kTRUE to track all the possible candidates; kFALSE to track only the best ones
- static const Double_t fgkMaxTrackingDistanceBending; ///< Maximum distance to the track to search for compatible hitForRec(s) in bending direction
- static const Double_t fgkMaxTrackingDistanceNonBending; ///< Maximum distance to the track to search for compatible hitForRec(s) in non bending direction
- static const Bool_t fgkRecoverTracks; ///< kTRUE to try to recover the tracks being lost during reconstruction
- static const Bool_t fgkImproveTracks; ///< kTRUE to try to improve the reconstructed tracks
-
- // Parameters for track reconstruction
- Double_t fMinBendingMomentum; ///< minimum value (GeV/c) of momentum in bending plane
- Double_t fMaxBendingMomentum; ///< maximum value (GeV/c) of momentum in bending plane
- Double_t fMaxNormChi2MatchTrigger; ///< maximum normalized chi2 of tracking/trigger track matching
-
- TClonesArray* fHitsForRecPtr; ///< pointer to the array of hits for reconstruction
- Int_t fNHitsForRec; ///< number of hits for reconstruction
- Int_t* fNHitsForRecPerChamber; ///< number of HitsForRec
- Int_t* fIndexOfFirstHitForRecPerChamber; ///< index (0...) of first HitForRec
-
- // Reconstructed tracks
TClonesArray *fRecTracksPtr; ///< pointer to array of reconstructed tracks
Int_t fNRecTracks; ///< number of reconstructed tracks
+ AliMUONVClusterServer* fClusterServer; ///< reference to our cluster server
+ const AliMUONRecoParam* fkRecoParam; ///< reference to reco parameters
+ const AliMUONGeometryTransformer* fkTransformer; //!< geometry transformer (not owner)
+
+ Double_t* fMaxMCSAngle2; ///< maximum angle dispersion due to MCS
+
// Functions
AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
- /// Make track candidats from clusters in stations(1..) 4 and 5
- virtual void MakeTrackCandidates() = 0;
+ /// Make track candidates from clusters in stations(1..) 4 and 5
+ virtual Bool_t MakeTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
+ /// Make extra track candidates from clusters in stations(1..) 4 and 5
+ virtual Bool_t MakeMoreTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
/// Follow tracks in stations(1..) 3, 2 and 1
- virtual void FollowTracks() = 0;
- /// Improve the reconstructed tracks
- virtual void ImproveTracks() = 0;
- /// Finalize the tracking results
- virtual void Finalize() = 0;
+ virtual Bool_t FollowTracks(AliMUONVClusterStore& clusterStore) = 0;
+ /// Complement the reconstructed tracks
+ virtual Bool_t ComplementTracks(const AliMUONVClusterStore& clusterStore) = 0;
+ void ImproveTracks();
+ /// Improve the given reconstructed track
+ virtual void ImproveTrack(AliMUONTrack &track) = 0;
+ void Finalize();
+ /// Finalize the given track
+ virtual Bool_t FinalizeTrack(AliMUONTrack &track) = 0;
+
+ void DiscardMonoCathodClusters();
+ void ChangeMonoCathodClusterRes(AliMUONTrack &track);
- TClonesArray* MakeSegmentsInStation(Int_t station);
+ Bool_t IsAcceptable(AliMUONTrackParam &trackParam);
+
+ TClonesArray* MakeSegmentsBetweenChambers(const AliMUONVClusterStore& clusterStore, Int_t ch1, Int_t ch2);
+ void RemoveUsedSegments(TClonesArray& segments);
void RemoveIdenticalTracks();
void RemoveDoubleTracks();
-
- Double_t TryOneHitForRec(const AliMUONTrackParam &trackParam, AliMUONHitForRec* hitForRec,
- AliMUONTrackParam &trackParamAtHit, Bool_t updatePropagator = kFALSE);
- Bool_t TryOneHitForRecFast(const AliMUONTrackParam &trackParam, AliMUONHitForRec* hitForRec);
- Double_t TryTwoHitForRecFast(const AliMUONTrackParam &trackParamAtHit1, AliMUONHitForRec* hitForRec2,
- AliMUONTrackParam &trackParamAtHit2);
-
- Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, Int_t nextStation);
+ void RemoveBadTracks();
+ void RemoveConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all);
+ void TagConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all);
+
+ void AskForNewClustersInStation(const AliMUONTrackParam &trackParam,
+ AliMUONVClusterStore& clusterStore, Int_t station);
+ void AskForNewClustersInChamber(const AliMUONTrackParam &trackParam,
+ AliMUONVClusterStore& clusterStore, Int_t chamber);
+ Double_t TryOneCluster(const AliMUONTrackParam &trackParam, AliMUONVCluster* cluster,
+ AliMUONTrackParam &trackParamAtCluster, Bool_t updatePropagator = kFALSE);
+ Bool_t TryOneClusterFast(const AliMUONTrackParam &trackParam, const AliMUONVCluster* cluster);
+ Double_t TryTwoClustersFast(const AliMUONTrackParam &trackParamAtCluster1, AliMUONVCluster* cluster2,
+ AliMUONTrackParam &trackParamAtCluster2);
+
+ Bool_t FollowLinearTrackInChamber(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextChamber);
+ Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextStation);
private:
// Functions
void ResetTracks();
- void ResetHitsForRec();
-
- void AddHitsForRecFromRawClusters(const AliMUONVClusterStore& clusterStore);
- void SortHitsForRecWithIncreasingChamber();
-
- void MakeTracks();
ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE