[u/mrichter/AliRoot.git] / STEER / AliAODTrack.h

#ifndef AliAODTrack_H
#define AliAODTrack_H
/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//-------------------------------------------------------------------------
//     AOD track base class
//     Author: Markus Oldenburg, CERN
//-------------------------------------------------------------------------

#include <TRef.h>
#include <TParticle.h>

#include "AliVirtualParticle.h"
#include "AliAODVertex.h"
#include "AliAODRedCov.h"

class AliAODTrack : public AliVirtualParticle {

 public:
  
  enum AODTrk_t {kUndef = -1, 
		 kPrimary, 
		 kSecondary, 
		 kOrphan};

  enum AODTrkBits_t {
    kIsDCA=BIT(14),   // set if fPosition is the DCA and not the position of the first point
    kUsedForVtxFit=BIT(15), // set if this track was used to fit the vertex it is attached to
    kUsedForPrimVtxFit=BIT(16) // set if this track was used to fit the primary vertex
  };

  enum AODTrkPID_t {
    kElectron     =  0,
    kMuon         =  1,
    kPion         =  2,
    kKaon         =  3,
    kProton       =  4,
    kDeuteron     =  5,
    kTriton       =  6,
    kHelium3      =  7,
    kAlpha        =  8,
    kUnknown      =  9,
    kMostProbable = -1
  };

  AliAODTrack();
  AliAODTrack(Int_t id,
	      Int_t label,
	      Double_t p[3],
	      Bool_t cartesian,
	      Double_t x[3],
	      Bool_t dca,
	      Double_t covMatrix[21],
	      Short_t q,
	      UChar_t itsClusMap,
	      Double_t pid[10],
	      AliAODVertex *prodVertex,
	      Bool_t usedForVtxFit,
	      Bool_t usedForPrimVtxFit,
	      AODTrk_t ttype=kUndef);

  AliAODTrack(Int_t id,
	      Int_t label,
	      Float_t p[3],
	      Bool_t cartesian,
	      Float_t x[3],
	      Bool_t dca,
	      Float_t covMatrix[21],
	      Short_t q,
	      UChar_t itsClusMap,
	      Float_t pid[10],
	      AliAODVertex *prodVertex,
	      Bool_t usedForVtxFit,
	      Bool_t usedForPrimVtxFit,
	      AODTrk_t ttype=kUndef);

  virtual ~AliAODTrack();
  AliAODTrack(const AliAODTrack& trk); 
  AliAODTrack& operator=(const AliAODTrack& trk);

  // kinematics
  virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
  virtual Double_t Phi()       const { return fMomentum[1]; }
  virtual Double_t Theta()     const { return fMomentum[2]; }
  
  virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
  virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
  virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
  virtual Double_t Pt() const { return fMomentum[0]; }
  virtual Double_t P()  const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); }
  
  Double_t Chi2perNDF() const { return fChi2perNDF; }
  
  virtual Double_t M() const { return M(GetMostProbablePID()); }
  Double_t M(AODTrkPID_t pid) const;
  virtual Double_t E() const { return E(GetMostProbablePID()); }
  Double_t E(AODTrkPID_t pid) const;
  Double_t E(Double_t m) const { return TMath::Sqrt(P()*P() + m*m); }
  virtual Double_t Y() const { return Y(GetMostProbablePID()); }
  Double_t Y(AODTrkPID_t pid) const;
  Double_t Y(Double_t m) const;
  
  virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }

  virtual Short_t  Charge() const {return fCharge; }

  // PID
  virtual const Double_t *PID() const { return fPID; }
  AODTrkPID_t GetMostProbablePID() const;
  void ConvertAliPIDtoAODPID();

  template <class T> void GetPID(T *pid) const {
    for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
 
  template <class T> void SetPID(const T *pid) {
    if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
    else {for(Int_t i=0; i<10; fPID[i++]=0.);}}

  Int_t GetID() const { return fID; }
  Int_t GetLabel() const { return fLabel; } 
  Char_t GetType() const { return fType;}
  Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); }
  Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }

  template <class T> void GetP(T *p) const {
    p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}

  template <class T> void GetPxPyPz(T *p) const {
    p[0] = Px(); p[1] = Py(); p[2] = Pz();}

  template <class T> Bool_t GetPosition(T *x) const {
    x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
    return TestBit(kIsDCA);}

  template <class T> void SetCovMatrix(const T *covMatrix) {
    if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
    fCovMatrix->SetCovMatrix(covMatrix);}

  template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
    if(!fCovMatrix) return kFALSE;
    fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}

  void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}

  UChar_t GetITSClusterMap() const     { return (UChar_t)fITSMuonClusterMap; }
  UInt_t  GetMUONClusterMap() const    { return fITSMuonClusterMap/65536; }
  UInt_t  GetITSMUONClusterMap() const { return fITSMuonClusterMap; }

  AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); }
  
  // print
  void  Print(const Option_t *opt = "") const;

  // setters
  void SetID(Int_t id) { fID = id; }
  void SetLabel(Int_t label) {fLabel = label; }

  template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
  void SetDCA(Double_t d, Double_t z);
  void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); }
  void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }

  void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
  void SetPt(Double_t pt) { fMomentum[0] = pt; };
  void SetPhi(Double_t phi) { fMomentum[1] = phi; }
  void SetTheta(Double_t theta) { fMomentum[2] = theta; }
  template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
  void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}

  void SetCharge(Short_t q) { fCharge = q; }
  void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }

  void SetITSClusterMap(UChar_t itsClusMap)        { fITSMuonClusterMap = (UInt_t)itsClusMap; }
  void SetMuonClusterMap(UInt_t muonClusMap)       { fITSMuonClusterMap = muonClusMap*65536; }
  void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; }

  void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }

  // name and title
  void SetType(AODTrk_t ttype) { fType=ttype; }

 private :

  // Momentum & position
  Double32_t    fMomentum[3];       // momemtum stored in pt, phi, theta
  Double32_t    fPosition[3];       // position of first point on track or dca

  Double32_t    fPID[10];           // [0.,1.,8] pointer to PID object
  Double32_t    fChi2perNDF;        // chi2/NDF of mometum fit

  Int_t         fID;                // unique track ID, points back to the ESD track
  Int_t         fLabel;             // track label, points back to MC track
  
  AliAODRedCov<6> *fCovMatrix;      // covariance matrix (x, y, z, px, py, pz)
  TRef          fProdVertex;        // vertex of origin

  Char_t        fCharge;            // particle charge
  UInt_t        fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer (ITS: bit 1-8, muon: bit 17-32) 
  Char_t        fType;              // Track Type


  ClassDef(AliAODTrack,2);
};

#endif
Commit	Line	Data
df9db588	1	#ifndef AliAODTrack_H
	2	#define AliAODTrack_H
	3	/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	//-------------------------------------------------------------------------
	9	// AOD track base class
	10	// Author: Markus Oldenburg, CERN
	11	//-------------------------------------------------------------------------
	12
	13	#include <TRef.h>
4697e4fb	14	#include <TParticle.h>
df9db588	15
	16	#include "AliVirtualParticle.h"
	17	#include "AliAODVertex.h"
5d62ce04	18	#include "AliAODRedCov.h"
df9db588	19
	20	class AliAODTrack : public AliVirtualParticle {
	21
	22	public:
	23
1912763f	24	enum AODTrk_t {kUndef = -1,
	25	kPrimary,
	26	kSecondary,
	27	kOrphan};
df9db588	28
df9db588	29	enum AODTrkBits_t {
dc825b15	30	kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point
1912763f	31	kUsedForVtxFit=BIT(15), // set if this track was used to fit the vertex it is attached to
1912763f	32	kUsedForPrimVtxFit=BIT(16) // set if this track was used to fit the primary vertex
df9db588	33	};
df9db588	34
4697e4fb	35	enum AODTrkPID_t {
1912763f	36	kElectron = 0,
	37	kMuon = 1,
	38	kPion = 2,
	39	kKaon = 3,
	40	kProton = 4,
4697e4fb	41	kDeuteron = 5,
	42	kTriton = 6,
	43	kHelium3 = 7,
	44	kAlpha = 8,
	45	kUnknown = 9,
	46	kMostProbable = -1
	47	};
df9db588	48
	49	AliAODTrack();
	50	AliAODTrack(Int_t id,
	51	Int_t label,
	52	Double_t p[3],
	53	Bool_t cartesian,
	54	Double_t x[3],
	55	Bool_t dca,
	56	Double_t covMatrix[21],
	57	Short_t q,
	58	UChar_t itsClusMap,
	59	Double_t pid[10],
	60	AliAODVertex *prodVertex,
1912763f	61	Bool_t usedForVtxFit,
dc825b15	62	Bool_t usedForPrimVtxFit,
df9db588	63	AODTrk_t ttype=kUndef);
df9db588	64
dc825b15	65	AliAODTrack(Int_t id,
df9db588	66	Int_t label,
	67	Float_t p[3],
	68	Bool_t cartesian,
	69	Float_t x[3],
	70	Bool_t dca,
	71	Float_t covMatrix[21],
	72	Short_t q,
	73	UChar_t itsClusMap,
	74	Float_t pid[10],
	75	AliAODVertex *prodVertex,
1912763f	76	Bool_t usedForVtxFit,
dc825b15	77	Bool_t usedForPrimVtxFit,
df9db588	78	AODTrk_t ttype=kUndef);
	79
	80	virtual ~AliAODTrack();
	81	AliAODTrack(const AliAODTrack& trk);
	82	AliAODTrack& operator=(const AliAODTrack& trk);
	83
	84	// kinematics
16b65f2a	85	virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
df9db588	86	virtual Double_t Phi() const { return fMomentum[1]; }
	87	virtual Double_t Theta() const { return fMomentum[2]; }
	88
16b65f2a	89	virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
	90	virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
	91	virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
	92	virtual Double_t Pt() const { return fMomentum[0]; }
df9db588	93	virtual Double_t P() const { return TMath::Sqrt(Pt()Pt()+Pz()Pz()); }
4697e4fb	94
1912763f	95	Double_t Chi2perNDF() const { return fChi2perNDF; }
4697e4fb	96
	97	virtual Double_t M() const { return M(GetMostProbablePID()); }
	98	Double_t M(AODTrkPID_t pid) const;
	99	virtual Double_t E() const { return E(GetMostProbablePID()); }
	100	Double_t E(AODTrkPID_t pid) const;
	101	Double_t E(Double_t m) const { return TMath::Sqrt(P()P() + mm); }
	102	virtual Double_t Y() const { return Y(GetMostProbablePID()); }
	103	Double_t Y(AODTrkPID_t pid) const;
	104	Double_t Y(Double_t m) const;
df9db588	105
df9db588	106	virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
df9db588	107
	108	virtual Short_t Charge() const {return fCharge; }
	109
	110	// PID
	111	virtual const Double_t *PID() const { return fPID; }
4697e4fb	112	AODTrkPID_t GetMostProbablePID() const;
4697e4fb	113	void ConvertAliPIDtoAODPID();
df9db588	114
	115	template <class T> void GetPID(T *pid) const {
	116	for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
	117
	118	template <class T> void SetPID(const T *pid) {
	119	if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
4697e4fb	120	else {for(Int_t i=0; i<10; fPID[i++]=0.);}}
df9db588	121
	122	Int_t GetID() const { return fID; }
	123	Int_t GetLabel() const { return fLabel; }
	124	Char_t GetType() const { return fType;}
1912763f	125	Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); }
dc825b15	126	Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
df9db588	127
	128	template <class T> void GetP(T *p) const {
	129	p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
	130
	131	template <class T> void GetPxPyPz(T *p) const {
	132	p[0] = Px(); p[1] = Py(); p[2] = Pz();}
	133
	134	template <class T> Bool_t GetPosition(T *x) const {
	135	x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
	136	return TestBit(kIsDCA);}
	137
	138	template <class T> void SetCovMatrix(const T *covMatrix) {
5d62ce04	139	if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
df9db588	140	fCovMatrix->SetCovMatrix(covMatrix);}
	141
	142	template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
	143	if(!fCovMatrix) return kFALSE;
	144	fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
	145
	146	void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
	147
1912763f	148	UChar_t GetITSClusterMap() const { return (UChar_t)fITSMuonClusterMap; }
	149	UInt_t GetMUONClusterMap() const { return fITSMuonClusterMap/65536; }
	150	UInt_t GetITSMUONClusterMap() const { return fITSMuonClusterMap; }
df9db588	151
	152	AliAODVertex GetProdVertex() const { return (AliAODVertex)fProdVertex.GetObject(); }
	153
	154	// print
	155	void Print(const Option_t *opt = "") const;
	156
	157	// setters
14b34be5	158	void SetID(Int_t id) { fID = id; }
14b34be5	159	void SetLabel(Int_t label) {fLabel = label; }
df9db588	160
14b34be5	161	template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
df9db588	162	void SetDCA(Double_t d, Double_t z);
1912763f	163	void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); }
dc825b15	164	void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
df9db588	165
14b34be5	166	void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
16b65f2a	167	void SetPt(Double_t pt) { fMomentum[0] = pt; };
14b34be5	168	void SetPhi(Double_t phi) { fMomentum[1] = phi; }
	169	void SetTheta(Double_t theta) { fMomentum[2] = theta; }
	170	template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
df9db588	171	void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
df9db588	172
14b34be5	173	void SetCharge(Short_t q) { fCharge = q; }
1912763f	174	void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }
df9db588	175
1912763f	176	void SetITSClusterMap(UChar_t itsClusMap) { fITSMuonClusterMap = (UInt_t)itsClusMap; }
	177	void SetMuonClusterMap(UInt_t muonClusMap) { fITSMuonClusterMap = muonClusMap*65536; }
	178	void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; }
df9db588	179
	180	void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
	181
	182	// name and title
	183	void SetType(AODTrk_t ttype) { fType=ttype; }
	184
df9db588	185	private :
	186
	187	// Momentum & position
1912763f	188	Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
1912763f	189	Double32_t fPosition[3]; // position of first point on track or dca
df9db588	190
1912763f	191	Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
1912763f	192	Double32_t fChi2perNDF; // chi2/NDF of mometum fit
df9db588	193
1912763f	194	Int_t fID; // unique track ID, points back to the ESD track
1912763f	195	Int_t fLabel; // track label, points back to MC track
df9db588	196
1912763f	197	AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
1912763f	198	TRef fProdVertex; // vertex of origin
df9db588	199
1912763f	200	Char_t fCharge; // particle charge
	201	UInt_t fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer (ITS: bit 1-8, muon: bit 17-32)
	202	Char_t fType; // Track Type
df9db588	203
df9db588	204
1912763f	205	ClassDef(AliAODTrack,2);
df9db588	206	};
	207
	208	#endif