[u/mrichter/AliRoot.git] / RALICE / AliJet.h

#ifndef ALIJET_H
#define ALIJET_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

// $Id$
 
#include <math.h>
 
#include "TObject.h"
#include "TObjArray.h"

#include "Ali4Vector.h"
#include "AliTrack.h"
 
class AliJet : public TObject,public Ali4Vector
{
 public:
  AliJet();                                // Default constructor
  AliJet(Int_t n);                         // Create a Jet to hold initially n Tracks
  virtual ~AliJet();                       // Default destructor
  AliJet(AliJet& j);                       // Copy constructor
  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");      // Print jet information in coordinate frame f 
  virtual void List(TString f="car");      // Print jet prim. track information for coord. frame f
  virtual 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)
  AliTrack* GetIdTrack(Int_t id);          // Provide the track with user identifier "id"
  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 SetTrackCopy(Int_t j);              // (De)activate creation of private copies in fTracks
  Int_t GetTrackCopy();                    // Provide TrackCopy flag value      
  void SetId(Int_t id);                    // Set the user defined identifier
  Int_t GetId();                           // Provide the user defined identifier

 protected:
  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
 
 ClassDef(AliJet,5) // Creation and investigation of a jet of particle tracks.
};
#endif
Commit	Line	Data
d88f97cc	1	#ifndef ALIJET_H
d88f97cc	2	#define ALIJET_H
3da30618	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
f531a546	6	// $Id$
d88f97cc	7
d88f97cc	8	#include <math.h>
	9
	10	#include "TObject.h"
	11	#include "TObjArray.h"
	12
	13	#include "Ali4Vector.h"
	14	#include "AliTrack.h"
	15
	16	class AliJet : public TObject,public Ali4Vector
	17	{
	18	public:
1c01b4f8	19	AliJet(); // Default constructor
	20	AliJet(Int_t n); // Create a Jet to hold initially n Tracks
	21	virtual ~AliJet(); // Default destructor
	22	AliJet(AliJet& j); // Copy constructor
	23	virtual void SetOwner(Bool_t own=kTRUE); // Set ownership of all added objects
	24	virtual void Reset(); // Reset all values
	25	void AddTrack(AliTrack& t); // Add a track to the jet
1fbffa23	26	void AddTrack(AliTrack* t) { AddTrack(*t); }
1c01b4f8	27	virtual void Data(TString f="car"); // Print jet information in coordinate frame f
	28	virtual void List(TString f="car"); // Print jet prim. track information for coord. frame f
	29	virtual void ListAll(TString f="car"); // Print jet prim. and decay track information for coord. frame f
	30	Double_t GetEnergy(); // Provide the total jet energy
	31	Double_t GetMomentum(); // Provide the value of the total jet 3-momentum
	32	Ali3Vector Get3Momentum(); // Provide the total jet 3-momentum
	33	Double_t GetInvmass(); // Provide the invariant mass
	34	Float_t GetCharge(); // Provide the total charge of the jet
	35	Int_t GetNtracks(); // Return the number of tracks in the jet
	36	AliTrack* GetTrack(Int_t i); // Provide i-th track of the jet (1=first track)
	37	AliTrack* GetIdTrack(Int_t id); // Provide the track with user identifier "id"
	38	Double_t GetPt(); // Provide trans. momentum w.r.t. z-axis
	39	Double_t GetPl(); // Provide long. momentum w.r.t. z-axis
	40	Double_t GetEt(); // Provide trans. energy w.r.t. z-axis
	41	Double_t GetEl(); // Provide long. energy w.r.t. z-axis
	42	Double_t GetMt(); // Provide trans. mass w.r.t. z-axis
	43	Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis
	44	void SetTrackCopy(Int_t j); // (De)activate creation of private copies in fTracks
	45	Int_t GetTrackCopy(); // Provide TrackCopy flag value
	46	void SetId(Int_t id); // Set the user defined identifier
	47	Int_t GetId(); // Provide the user defined identifier
d88f97cc	48
d88f97cc	49	protected:
1fbffa23	50	void Init(); // Initialisation of pointers etc...
	51	void SetNtinit(Int_t n=2); // Set the initial max. number of tracks for this Jet
	52	void AddTrack(AliTrack& t,Int_t copy); // Internal memberfunction to add a track to the jet
	53	void AddTrack(AliTrack* t,Int_t copy) { AddTrack(*t,copy); }
	54	Int_t fNtinit; // The initial max. number of tracks for this jet
	55	Int_t fNtmax; // The maximum number of tracks for this Jet
	56	Float_t fQ; // The total charge of the jet
	57	Int_t fNtrk; // The number of tracks in the jet
	58	TObjArray* fTracks; // Array to hold the pointers to the tracks of the jet
	59	Int_t fTrackCopy; // Flag to denote creation of private copies in fTracks
	60	Int_t fUserId; // The user defined identifier
d88f97cc	61
1c01b4f8	62	ClassDef(AliJet,5) // Creation and investigation of a jet of particle tracks.
d88f97cc	63	};
d88f97cc	64	#endif