#include "TObject.h"
#include "TObjArray.h"
#include "TArrayD.h"
+#include "TArrayI.h"
#include "AliSignal.h"
#include "AliBoost.h"
#include "AliPositionObj.h"
+#include "AliTimestamp.h"
-class AliTrack : public TObject,public Ali4Vector
+class AliTrack : public TNamed,public Ali4Vector
{
public:
- AliTrack(); // Default constructor
- virtual ~AliTrack(); // Destructor
- AliTrack(AliTrack& t); // Copy constructor
- void Reset(); // Reset all values to 0
- void Set4Momentum(Ali4Vector& p); // Set track 4-momentum
- void Set3Momentum(Ali3Vector& p); // Set track 3-momentum
+ AliTrack(); // Default constructor
+ virtual ~AliTrack(); // Destructor
+ AliTrack(const AliTrack& t); // Copy constructor
+ virtual TObject* Clone(const char* name="") const; // Make a deep copy and provide its pointer
+ virtual void Reset(); // Reset all values to 0
+ void Set4Momentum(Ali4Vector& p); // Set track 4-momentum
+ void Set3Momentum(Ali3Vector& p); // Set track 3-momentum
void SetMass(Double_t m,Double_t dm=0); // Set particle mass and error
- void SetMass(); // Set mass and error to mass hypothesis with highest prob.
- void SetCharge(Float_t q); // Set particle charge
- void Data(TString f="car"); // Print track information for coord. frame f
- void List(TString f="car"); // Print track and decay level 1 information for coord. frame f
- void ListAll(TString f="car"); // Print track and all decay level information for coord. frame f
- Ali3Vector Get3Momentum(); // Provide track 3-momentum
- Double_t GetMomentum(); // Provide value of track 3-momentum
- Double_t GetMass(); // Provide particle mass
- Float_t GetCharge(); // Provide particle charge
- Double_t GetEnergy(); // Provide particle total energy
+ void SetMass(); // Set mass and error to the values of the hyp. with highest prob.
+ void SetCharge(Float_t q); // Set particle charge
+ virtual void Data(TString f="car"); // Print track information for coord. frame f
+ virtual void List(TString f="car"); // Print track and decay level 1 information for coord. frame f
+ virtual void ListAll(TString f="car"); // Print track and all decay level information for coord. frame f
+ Ali3Vector Get3Momentum() const; // Provide track 3-momentum
+ Double_t GetMomentum(); // Provide value of track 3-momentum
+ Double_t GetMass(); // Provide particle mass
+ Float_t GetCharge() const; // Provide particle charge
+ Double_t GetEnergy(); // Provide particle total energy
void Decay(Double_t m1,Double_t m2,Double_t thcms,Double_t phicms); // Perform 2-body decay
- Int_t GetNdecay(); // Provide number of decay products
- AliTrack* GetDecayTrack(Int_t j); // Access to decay produced track number j
- void AddSignal(AliSignal& s); // Relate an AliSignal to this track
- void RemoveSignal(AliSignal& s); // Remove related AliSignal from this track
- Int_t GetNsignals(); // Provide number of related AliSignals
- AliSignal* GetSignal(Int_t j); // Access to the related AliSignal number j
- void SetBeginPoint(AliPosition& p); // Set the track begin-point
- AliPosition* GetBeginPoint(); // Provide the track begin-point
- void SetEndPoint(AliPosition& p); // Set the track end-point
- AliPosition* GetEndPoint(); // Provide the track end-point
- void AddMassHypothesis(Double_t prob,Double_t m,Double_t dm=0); // Add mass hypothesis data
- Int_t GetNMassHypotheses(); // Provide number of mass hypotheses
- Double_t GetMassHypothesis(Int_t j=0); // Provide mass of jth hypothesis
- Double_t GetMassHypothesisProb(Int_t j=0); // Provide prob. of jth mass hypothesis
- void RemoveMassHypothesis(Int_t j); // Remove the jth mass hypothesis
- Double_t GetPt(); // Provide trans. momentum w.r.t. z-axis
- Double_t GetPl(); // Provide long. momentum w.r.t. z-axis
- Double_t GetEt(); // Provide trans. energy w.r.t. z-axis
- Double_t GetEl(); // Provide long. energy w.r.t. z-axis
- Double_t GetMt(); // Provide trans. mass w.r.t. z-axis
- Double_t GetMt(Int_t j); // Provide trans. mass w.r.t. z-axis and jth mass hypothesis
- Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis
+ Int_t GetNdecay() const; // Provide number of decay products
+ AliTrack* GetDecayTrack(Int_t j) const; // Access to decay produced track number j
+ void RemoveDecays(); // Remove all the decay products of this track
+ void AddSignal(AliSignal& s); // Relate an AliSignal to this track
+ void RemoveSignal(AliSignal& s); // Remove related AliSignal from this track
+ void RemoveSignals(); // Remove all related AliSignals from this track
+ Int_t GetNsignals() const; // Provide number of related AliSignals
+ AliSignal* GetSignal(Int_t j) const; // Access to the related AliSignal number j
+ void SetBeginPoint(AliPosition& p); // Set the track begin-point
+ AliPosition* GetBeginPoint(); // Provide the track begin-point
+ void SetEndPoint(AliPosition& p); // Set the track end-point
+ AliPosition* GetEndPoint(); // Provide the track end-point
+ void SetReferencePoint(AliPosition& p); // Set the track reference-point for the 3-momentum vector
+ AliPosition* GetReferencePoint(); // Provide the track reference-point for the 3-momentum vector
+ void AddTrackHypothesis(AliTrack& t); // Add track hypothesis
+ void AddTrackHypothesis(Double_t prob,Double_t m,Double_t dm=0); // Add track hypothesis with mass data
+ Int_t GetNhypotheses() const; // Provide number of track hypotheses
+ AliTrack* GetTrackHypothesis(Int_t j=0) const; // Provide the j-th track hypothesis
+ void RemoveTrackHypothesis(AliTrack& t);// Remove the specified track hypothesis
+ void RemoveTrackHypotheses(); // Remove all track hypotheses
+ Double_t GetPt(); // Provide trans. momentum w.r.t. z-axis
+ Double_t GetPl(); // Provide long. momentum w.r.t. z-axis
+ Double_t GetEt(); // Provide trans. energy w.r.t. z-axis
+ Double_t GetEl(); // Provide long. energy w.r.t. z-axis
+ Double_t GetMt(); // Provide trans. mass w.r.t. z-axis
+ Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis
void SetImpactPoint(AliPosition& p,TString q); // Set the impact-point in plane "q=0"
AliPosition* GetImpactPoint(TString q); // Provide the impact-point in plane "q=0"
- void SetId(Int_t id); // Set the user defined unique track identifier
- Int_t GetId(); // Provide the user defined unique track identifier
- void SetClosestPoint(AliPosition& p); // Set position p as point of closest approach w.r.t. some reference
- AliPosition* GetClosestPoint(); // Provide point of closest approach w.r.t. some reference
- void SetChi2(Float_t chi2); // Set the chi-squared value of the track fit
- void SetNdf(Int_t ndf); // Set the number of degrees of freedom for the track fit
- Float_t GetChi2(); // Provide the chi-squared value of the track fit
- Int_t GetNdf(); // Provide the number of degrees of freedom for the track fit
- void SetParticleCode(Int_t code); // Set the user defined particle id code (e.g. the PDF convention)
- Int_t GetParticleCode(); // Provide the user defined particle id code
-
+ void SetId(Int_t id); // Set the user defined unique track identifier
+ Int_t GetId() const; // Provide the user defined unique track identifier
+ void SetClosestPoint(AliPosition& p); // Set position p as point of closest approach w.r.t. some reference
+ AliPosition* GetClosestPoint(); // Provide point of closest approach w.r.t. some reference
+ void SetChi2(Float_t chi2); // Set the chi-squared value of the track fit
+ void SetNdf(Int_t ndf); // Set the number of degrees of freedom for the track fit
+ Float_t GetChi2() const; // Provide the chi-squared value of the track fit
+ Int_t GetNdf() const; // Provide the number of degrees of freedom for the track fit
+ void SetParticleCode(Int_t code); // Set the user defined particle id code (e.g. the PDF convention)
+ Int_t GetParticleCode() const; // Provide the user defined particle id code
+ void SetParentTrack(AliTrack* t); // Set pointer to the parent track
+ AliTrack* GetParentTrack(); // Provide pointer to the parent track
+ void SetProb(Double_t prob); // Set the hypothesis probability for this track
+ Float_t GetProb() const; // Provide the hypothesis probability for this track
+ void SetFitDetails(TObject* obj); // Enter the object containing the fit details
+ void SetFitDetails(TObject& obj) { SetFitDetails(&obj); }
+ TObject* GetFitDetails(); // Provide pointer to the object containing the fit details
+ void SetTimestamp(AliTimestamp& t); // Set the track timestamp
+ AliTimestamp* GetTimestamp(); // Provide the track timestamp
+ void RemoveTimestamp(); // Remove timestamp from this track
protected:
void Init(); // Initialisation of pointers etc...
Float_t fQ; // The charge of the particle
- Int_t fNdec; // The number of decay products
TObjArray* fDecays; // The array of decay produced tracks
- Int_t fNsig; // The number of related AliSignals
TObjArray* fSignals; // The array of related AliSignals
+ TObjArray* fHypotheses; // The array of track hypotheses
AliPositionObj* fBegin; // The begin-point of the track
AliPositionObj* fEnd; // The end-point of the track
- Int_t fNmasses; // The number of mass hypotheses
- TArrayD* fMasses; // The various mass hypotheses
- TArrayD* fDmasses; // The errors on the various masses
- TArrayD* fPmasses; // The probabilities of the various mass hypotheses
+ AliPositionObj* fRef; // The reference-point of the track for the 3-momentum vector
AliPositionObj* fImpactXY; // The (extrapolated) impact-point in the plane z=0
AliPositionObj* fImpactXZ; // The (extrapolated) impact-point in the plane y=0
AliPositionObj* fImpactYZ; // The (extrapolated) impact-point in the plane x=0
Float_t fChi2; // The Chi-squared of the track fit
Int_t fNdf; // The number of degrees of freedom of the track fit
Int_t fCode; // The user defined particle id code
+ AliTrack* fParent; // Pointer to the parent track
+ Float_t fProb; // Probability for this track as a hypothesis
+ TObject* fFit; // Object containing details of the fit
+ AliTimestamp* fTstamp; // The track timestamp
private:
- void Dump(AliTrack* t,Int_t n,TString f); // Recursively print all decay levels
+ void Dumps(AliTrack* t,Int_t n,TString f); // Recursively print all decay levels
- ClassDef(AliTrack,4) // Handling of the attributes of a reconstructed particle track.
+ ClassDef(AliTrack,14) // Handling of the attributes of a reconstructed particle track.
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff