#include "AliSignal.h"
#include "AliBoost.h"
-#include "AliPosition.h"
+#include "AliPositionObj.h"
class AliTrack : public TObject,public Ali4Vector
{
public:
- AliTrack(); // Default constructor
- ~AliTrack(); // Destructor
- 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(AliTrack& t); // Copy constructor
+ 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 Info(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 mass hypothesis 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(); // 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 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
+ 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
- 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 identifier
- Int_t GetId(); // Provide the user defined 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
+ 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
+ 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 SetParentTrack(AliTrack* t); // Set pointer to the parent track
+ AliTrack* GetParentTrack(); // Provide pointer to the parent track
+
protected:
- 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
- AliPosition fBegin; // The begin-point of the track
- AliPosition 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
- AliPosition fImpactXY; // The (extrapolated) impact-point in the plane z=0
- AliPosition fImpactXZ; // The (extrapolated) impact-point in the plane y=0
- AliPosition fImpactYZ; // The (extrapolated) impact-point in the plane x=0
- Int_t fUserId; // The user defined identifier
- AliPosition fClosest; // The (extrapolated) point of closest approach w.r.t some reference
+ 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
+ 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* 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
+ Int_t fUserId; // The user defined identifier
+ AliPositionObj* fClosest; // The (extrapolated) point of closest approach w.r.t some reference
+ 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
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,1) // Handling of the attributes of a reconstructed particle track.
+ ClassDef(AliTrack,7) // Handling of the attributes of a reconstructed particle track.
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff