#ifndef ALIJET_H
#define ALIJET_H
-///////////////////////////////////////////////////////////////////////////
-// Class AliJet
-// Creation and investigation of a jet of particle tracks.
-// An AliJet can be constructed by adding AliTracks.
-//
-// Coding example to make 2 jets j1 and j2.
-// ----------------------------------------
-// j1 contains the AliTracks 1 and 2
-// j2 contains the AliTracks 3 and 4
-//
-// AliTrack t1,t2,t3,t4;
-// ...
-// ... // code to fill the AliTrack data
-// ...
-// AliJet j1(5);
-// AliJet j2(12);
-// j1.Add(t1);
-// j1.Add(t2);
-// j2.Add(t3);
-// j2.Add(t4);
-//
-// j1.Info();
-// j2.Info("sph");
-//
-// Float_t e1=j1.GetEnergy();
-// Float_t pnorm=j1->GetMomentum();
-// Ali3Vector p=j1->Get3Momentum();
-// Float_t m=j1.GetInvmass();
-// Int_t ntk=j1.GetNtracks();
-// AliTrack* tj=j1.GetTrack(1);
-//
-// Note : All quantities are in GeV, GeV/c or GeV/c**2
-//
-//--- NvE 10-jul-1997 UU-SAP Utrecht
-//--- Modified : NvE 06-apr-1999 UU-SAP Utrecht to inherit from Ali4Vector
-///////////////////////////////////////////////////////////////////////////
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+// $Id$
-#include <iostream.h>
#include <math.h>
-#include "TObject.h"
+#include "TNamed.h"
#include "TObjArray.h"
#include "Ali4Vector.h"
#include "AliTrack.h"
-class AliJet : public TObject,public Ali4Vector
+class AliJet : public TNamed,public Ali4Vector
{
public:
- AliJet(); // Default constructor
- AliJet(Int_t n); // Create a Jet to hold initially n Tracks
- ~AliJet(); // Default destructor
- void Reset(); // Reset all values
- virtual void Add(AliTrack& t); // Add a track to the jet
- virtual void Add(AliTrack* t) { Add(*t); }
- void Info(TString f); // Print jet information in coordinate frame f
- void List(TString f="car"); // Print jet prim. track information for coord. frame f
- void ListAll(TString f="car"); // Print jet prim. and decay track information for coord. frame f
- Double_t GetEnergy(); // Provide the total jet energy
- Double_t GetMomentum(); // Provide the value of the total jet 3-momentum
- Ali3Vector Get3Momentum(); // Provide the total jet 3-momentum
- Double_t GetInvmass(); // Provide the invariant mass
- Float_t GetCharge(); // Provide the total charge of the jet
- Int_t GetNtracks(); // Return the number of tracks in the jet
- AliTrack* GetTrack(Int_t i); // Provide i-th track of the jet (1=first track)
+ AliJet(); // Default constructor
+ AliJet(Int_t n); // Create a Jet to hold initially n Tracks
+ virtual ~AliJet(); // Default destructor
+ AliJet(const AliJet& j); // Copy constructor
+ virtual TObject* Clone(const char* name="") const; // Make a deep copy and provide its pointer
+ virtual void SetOwner(Bool_t own=kTRUE); // Set ownership of all added objects
+ virtual void Reset(); // Reset all values
+ void AddTrack(AliTrack& t); // Add a track to the jet
+ void AddTrack(AliTrack* t) { AddTrack(*t); }
+ virtual void Data(TString f="car",TString u="rad"); // Print jet information in frame f and ang units u
+ virtual void List(TString f="car",TString u="rad"); // Jet prim. track info for frame f and ang units u
+ virtual void ListAll(TString f="car",TString u="rad");// Jet prim. and decay track info for frame f and ang units u
+ Double_t GetEnergy(Float_t scale=-1); // Provide the total jet energy
+ Double_t GetMomentum(Float_t scale=-1); // Provide the value of the total jet 3-momentum
+ Ali3Vector Get3Momentum(Float_t scale=-1) const; // Provide the total jet 3-momentum
+ Double_t GetInvmass(Float_t scale=-1); // Provide the invariant mass
+ Float_t GetCharge() const; // Provide the total charge of the jet
+ Int_t GetNtracks(Int_t idmode=0,Int_t chmode=2,Int_t pcode=0); // Provide the number of selected tracks in the jet
+ Int_t GetNtracks(TString name); // Provide the number of tracks with a certain name
+ AliTrack* GetTrack(Int_t i) const; // Provide i-th track of the jet (1=first track)
+ AliTrack* GetIdTrack(Int_t id) const; // Provide the track with user identifier "id"
+ TObjArray* GetTracks(Int_t idmode=0,Int_t chmode=2,Int_t pcode=0); // Provide references to selected tracks
+ TObjArray* GetTracks(TString name); // Provide references to all tracks with a certain name
+ void RemoveTracks(Int_t idmode=0,Int_t chmode=2,Int_t pcode=0); // Remove selected tracks
+ void RemoveTracks(TString name); // Remove all tracks with a certain name
+ void ShowTracks(Int_t mode=1); // Provide on overview of the available tracks
+ Double_t GetPt(Float_t scale=-1); // Provide trans. momentum w.r.t. z-axis
+ Double_t GetPl(Float_t scale=-1); // Provide long. momentum w.r.t. z-axis
+ Double_t GetEt(Float_t scale=-1); // Provide trans. energy w.r.t. z-axis
+ Double_t GetEl(Float_t scale=-1); // Provide long. energy w.r.t. z-axis
+ Double_t GetMt(Float_t scale=-1); // Provide trans. mass w.r.t. z-axis
+ Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis
+ void SetTrackCopy(Int_t j); // (De)activate creation of private copies in fTracks
+ Int_t GetTrackCopy() const; // Provide TrackCopy flag value
+ void SetId(Int_t id); // Set the user defined identifier
+ Int_t GetId() const; // Provide the user defined identifier
+ void SetReferencePoint(AliPosition& p); // Set the jet reference-point
+ AliPosition* GetReferencePoint(); // Provide the jet reference-point
+ TObjArray* SortTracks(Int_t mode=-1,TObjArray* tracks=0); // Sort tracks by a certain observable
+ Double_t GetDistance(AliPosition* p,Float_t scale=-1); // Provide distance to position p
+ Double_t GetDistance(AliPosition& p,Float_t scale=-1) { return GetDistance(&p,scale); }
+ Double_t GetDistance(AliTrack* t,Float_t scale=-1); // Provide distance to track t
+ Double_t GetDistance(AliTrack& t,Float_t scale=-1) { return GetDistance(&t,scale); }
+ Double_t GetDistance(AliJet* j,Float_t scale=-1); // Provide distance to jet j
+ Double_t GetDistance(AliJet& j,Float_t scale=-1) { return GetDistance(&j,scale); }
+ Int_t GetNsignals() const; // Provide the number of signals associated to the jet tracks
+ void SetEscale(Float_t scale); // Set the scale of the energy/momentum units of the jet
+ Float_t GetEscale() const; // Provide the scale of the energy/momentum units of the jet
protected:
- void SetNtinit(Int_t n=2); // Set the initial max. number of tracks for this Jet
- Int_t fNtinit; // The initial max. number of tracks for this jet
- Int_t fNtmax; // The maximum number of tracks for this Jet
- Float_t fQ; // The total charge of the jet
- Int_t fNtrk; // The number of tracks in the jet
- TObjArray* fTracks; // Array to hold the pointers to the tracks of the jet
+ void Init(); // Initialisation of pointers etc...
+ void SetNtinit(Int_t n=2); // Set the initial max. number of tracks for this Jet
+ void AddTrack(AliTrack& t,Int_t copy); // Internal memberfunction to add a track to the jet
+ void AddTrack(AliTrack* t,Int_t copy) { AddTrack(*t,copy); }
+ Int_t fNtinit; // The initial max. number of tracks for this jet
+ Int_t fNtmax; // The maximum number of tracks for this Jet
+ Float_t fQ; // The total charge of the jet
+ Int_t fNtrk; // The number of tracks in the jet
+ TObjArray* fTracks; // Array to hold the pointers to the tracks of the jet
+ Int_t fTrackCopy; // Flag to denote creation of private copies in fTracks
+ Int_t fUserId; // The user defined identifier
+ AliPositionObj* fRef; // The reference-point of the jet
+ TObjArray* fSelected; //! Temp. array to hold user selected or ordered objects
+ Float_t fEscale; // The scale of the energy/momentum units of the jet
- ClassDef(AliJet,1) // Class definition to enable ROOT I/O
+ ClassDef(AliJet,20) // Creation and investigation of a jet of particle tracks.
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff