Coverity fixes.
[u/mrichter/AliRoot.git] / RALICE / AliTrack.h
d88f97cc 1#ifndef ALITRACK_H
2#define ALITRACK_H
959fbac5 3
3da30618 4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
f531a546 7// $Id$
3da30618 8
959fbac5 9
fcf4326d 10class TObjArray;
d88f97cc 11
fcf4326d 12class AliPosition;
13class AliPositionObj;
14class AliSignal;
15class AliTimestamp;
16#include "Ali4Vector.h"
d88f97cc 17
5f25234b 18class AliTrack : public TNamed,public Ali4Vector
d88f97cc 19{
20 public:
261c0caf 21 AliTrack(); // Default constructor
22 virtual ~AliTrack(); // Destructor
23 AliTrack(const AliTrack& t); // Copy constructor
24 virtual TObject* Clone(const char* name="") const; // Make a deep copy and provide its pointer
25 virtual void Reset(); // Reset all values to 0
26 void Set4Momentum(Ali4Vector& p); // Set track 4-momentum
27 void Set3Momentum(Ali3Vector& p); // Set track 3-momentum
959fbac5 28 void SetMass(Double_t m,Double_t dm=0); // Set particle mass and error
261c0caf 29 void SetMass(); // Set mass and error to the values of the hyp. with highest prob.
30 void SetCharge(Float_t q); // Set particle charge
1f241680 31 virtual void Data(TString f="car",TString u="rad"); // Print track information for frame f and ang units u
32 virtual void List(TString f="car",TString u="rad"); // Track and decay level 1 info for frame f and ang units u
33 virtual void ListAll(TString f="car",TString u="rad");// Track and all decay level info for frame f and ang units u
25eefd00 34 Ali3Vector Get3Momentum(Float_t scale=-1) const; // Provide track 3-momentum
35 Double_t GetMomentum(Float_t scale=-1); // Provide value of track 3-momentum
36 Double_t GetMass(Float_t scale=-1); // Provide particle mass
261c0caf 37 Float_t GetCharge() const; // Provide particle charge
25eefd00 38 Double_t GetEnergy(Float_t scale=-1); // Provide particle total energy
d88f97cc 39 void Decay(Double_t m1,Double_t m2,Double_t thcms,Double_t phicms); // Perform 2-body decay
261c0caf 40 Int_t GetNdecay() const; // Provide number of decay products
41 AliTrack* GetDecayTrack(Int_t j) const; // Access to decay produced track number j
42 void RemoveDecays(); // Remove all the decay products of this track
d0120ca2 43 void AddSignal(AliSignal& s,Int_t mode=0); // Relate an AliSignal to this track
44 void RemoveSignal(AliSignal& s,Int_t mode=1); // Remove related AliSignal from this track
45 void RemoveSignals(Int_t mode=1); // Remove all related AliSignals from this track
261c0caf 46 Int_t GetNsignals() const; // Provide number of related AliSignals
caa58e1a 47 Int_t GetNsignals(const char* classname) const; // Provide the number of selected signals
261c0caf 48 AliSignal* GetSignal(Int_t j) const; // Access to the related AliSignal number j
49 void SetBeginPoint(AliPosition& p); // Set the track begin-point
fcf4326d 50 AliPosition* GetBeginPoint() const; // Provide the track begin-point
261c0caf 51 void SetEndPoint(AliPosition& p); // Set the track end-point
fcf4326d 52 AliPosition* GetEndPoint() const; // Provide the track end-point
c5555bc0 53 void SetReferencePoint(AliPosition& p); // Set the track reference-point for the 3-momentum vector
fcf4326d 54 AliPosition* GetReferencePoint() const; // Provide the track reference-point for the 3-momentum vector
261c0caf 55 void AddTrackHypothesis(AliTrack& t); // Add track hypothesis
5f25234b 56 void AddTrackHypothesis(Double_t prob,Double_t m,Double_t dm=0); // Add track hypothesis with mass data
261c0caf 57 Int_t GetNhypotheses() const; // Provide number of track hypotheses
58 AliTrack* GetTrackHypothesis(Int_t j=0) const; // Provide the j-th track hypothesis
59 void RemoveTrackHypothesis(AliTrack& t);// Remove the specified track hypothesis
60 void RemoveTrackHypotheses(); // Remove all track hypotheses
25eefd00 61 Double_t GetPt(Float_t scale=-1); // Provide trans. momentum w.r.t. z-axis
62 Double_t GetPl(Float_t scale=-1); // Provide long. momentum w.r.t. z-axis
63 Double_t GetEt(Float_t scale=-1); // Provide trans. energy w.r.t. z-axis
64 Double_t GetEl(Float_t scale=-1); // Provide long. energy w.r.t. z-axis
65 Double_t GetMt(Float_t scale=-1); // Provide trans. mass w.r.t. z-axis
261c0caf 66 Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis
c72198f1 67 void SetImpactPoint(AliPosition& p,TString q); // Set the impact-point in plane "q=0"
fcf4326d 68 AliPosition* GetImpactPoint(TString q) const; // Provide the impact-point in plane "q=0"
261c0caf 69 void SetId(Int_t id); // Set the user defined unique track identifier
70 Int_t GetId() const; // Provide the user defined unique track identifier
71 void SetClosestPoint(AliPosition& p); // Set position p as point of closest approach w.r.t. some reference
fcf4326d 72 AliPosition* GetClosestPoint() const; // Provide point of closest approach w.r.t. some reference
261c0caf 73 void SetParticleCode(Int_t code); // Set the user defined particle id code (e.g. the PDF convention)
74 Int_t GetParticleCode() const; // Provide the user defined particle id code
fcf4326d 75 void SetParentTrack(AliTrack * const t); // Set pointer to the parent track
76 AliTrack* GetParentTrack() const; // Provide pointer to the parent track
261c0caf 77 void SetProb(Double_t prob); // Set the hypothesis probability for this track
78 Float_t GetProb() const; // Provide the hypothesis probability for this track
fcf4326d 79 void SetFitDetails(const TObject* obj); // Enter the object containing the fit details
80 void SetFitDetails(const TObject& obj) { SetFitDetails(&obj); }
81 TObject* GetFitDetails() const; // Provide pointer to the object containing the fit details
a7dc0627 82 void SetTimestamp(AliTimestamp& t); // Set the track timestamp
fcf4326d 83 AliTimestamp* GetTimestamp() const; // Provide the track timestamp
a7dc0627 84 void RemoveTimestamp(); // Remove timestamp from this track
fcf4326d 85 Double_t GetDistance(AliPosition* const p,Float_t scale=-1); // Provide distance to position p
25eefd00 86 Double_t GetDistance(AliPosition& p,Float_t scale=-1) { return GetDistance(&p,scale); }
fcf4326d 87 Double_t GetDistance(AliTrack* const t,Float_t scale=-1); // Provide distance to track t
25eefd00 88 Double_t GetDistance(AliTrack& t,Float_t scale=-1) { return GetDistance(&t,scale); }
89 void SetEscale(Float_t scale); // Set the scale of the energy-momentum units of the track
90 Float_t GetEscale() const; // Provide the scale of the energy-momentum units of the track
d88f97cc 91
92 protected:
c72198f1 93 void Init(); // Initialisation of pointers etc...
94 Float_t fQ; // The charge of the particle
c72198f1 95 TObjArray* fDecays; // The array of decay produced tracks
c72198f1 96 TObjArray* fSignals; // The array of related AliSignals
5f25234b 97 TObjArray* fHypotheses; // The array of track hypotheses
c72198f1 98 AliPositionObj* fBegin; // The begin-point of the track
99 AliPositionObj* fEnd; // The end-point of the track
c5555bc0 100 AliPositionObj* fRef; // The reference-point of the track for the 3-momentum vector
c72198f1 101 AliPositionObj* fImpactXY; // The (extrapolated) impact-point in the plane z=0
102 AliPositionObj* fImpactXZ; // The (extrapolated) impact-point in the plane y=0
103 AliPositionObj* fImpactYZ; // The (extrapolated) impact-point in the plane x=0
104 Int_t fUserId; // The user defined identifier
105 AliPositionObj* fClosest; // The (extrapolated) point of closest approach w.r.t some reference
c72198f1 106 Int_t fCode; // The user defined particle id code
1fbffa23 107 AliTrack* fParent; // Pointer to the parent track
5f25234b 108 Float_t fProb; // Probability for this track as a hypothesis
ea0b5b7f 109 TObject* fFit; // Object containing details of the fit
a7dc0627 110 AliTimestamp* fTstamp; // The track timestamp
25eefd00 111 Float_t fEscale; // The scale of the energy-momentum units of the track
d88f97cc 112
113 private:
fcf4326d 114
115 AliTrack& operator=(const AliTrack &); // Not implemented
117 void Dumps(const AliTrack* t,Int_t n,TString f,TString u); // Recursively print all decay levels
d88f97cc 118
caa58e1a 119 ClassDef(AliTrack,21) // Handling of the attributes of a reconstructed particle track.
d88f97cc 120};