[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
    kUsedForPrimVtxFit=BIT(15) // 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 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 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 Chi2() const { return fChi2; }
  
  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 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 fITSClusterMap; }

  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 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 SetChi2(Double_t chi2) { fChi2 = chi2; }

  void SetITSClusterMap(UChar_t itsClusMap) { fITSClusterMap = itsClusMap; }

  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    fChi2;           // chi2 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
  UChar_t       fITSClusterMap;  // map of ITS cluster, one bit per layer
  Char_t        fType;           // Track Type


  ClassDef(AliAODTrack,1);
};

#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
	24	enum AODTrk_t {kUndef=-1, kPrimary, kSecondary, kOrphan};
	25
	26	enum AODTrkBits_t {
dc825b15	27	kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point
dc825b15	28	kUsedForPrimVtxFit=BIT(15) // set if this track was used to fit the primary vertex
df9db588	29	};
df9db588	30
4697e4fb	31	enum AODTrkPID_t {
	32	kElectron = 0,
	33	kMuon = 1,
	34	kPion = 2,
	35	kKaon = 3,
	36	kProton = 4,
	37	kDeuteron = 5,
	38	kTriton = 6,
	39	kHelium3 = 7,
	40	kAlpha = 8,
	41	kUnknown = 9,
	42	kMostProbable = -1
	43	};
df9db588	44
	45	AliAODTrack();
	46	AliAODTrack(Int_t id,
	47	Int_t label,
	48	Double_t p[3],
	49	Bool_t cartesian,
	50	Double_t x[3],
	51	Bool_t dca,
	52	Double_t covMatrix[21],
	53	Short_t q,
	54	UChar_t itsClusMap,
	55	Double_t pid[10],
	56	AliAODVertex *prodVertex,
dc825b15	57	Bool_t usedForPrimVtxFit,
df9db588	58	AODTrk_t ttype=kUndef);
df9db588	59
dc825b15	60	AliAODTrack(Int_t id,
df9db588	61	Int_t label,
	62	Float_t p[3],
	63	Bool_t cartesian,
	64	Float_t x[3],
	65	Bool_t dca,
	66	Float_t covMatrix[21],
	67	Short_t q,
	68	UChar_t itsClusMap,
	69	Float_t pid[10],
	70	AliAODVertex *prodVertex,
dc825b15	71	Bool_t usedForPrimVtxFit,
df9db588	72	AODTrk_t ttype=kUndef);
	73
	74	virtual ~AliAODTrack();
	75	AliAODTrack(const AliAODTrack& trk);
	76	AliAODTrack& operator=(const AliAODTrack& trk);
	77
	78	// kinematics
16b65f2a	79	virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
df9db588	80	virtual Double_t Phi() const { return fMomentum[1]; }
	81	virtual Double_t Theta() const { return fMomentum[2]; }
	82
16b65f2a	83	virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
	84	virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
	85	virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
	86	virtual Double_t Pt() const { return fMomentum[0]; }
df9db588	87	virtual Double_t P() const { return TMath::Sqrt(Pt()Pt()+Pz()Pz()); }
4697e4fb	88
	89	Double_t Chi2() const { return fChi2; }
	90
	91	virtual Double_t M() const { return M(GetMostProbablePID()); }
	92	Double_t M(AODTrkPID_t pid) const;
	93	virtual Double_t E() const { return E(GetMostProbablePID()); }
	94	Double_t E(AODTrkPID_t pid) const;
	95	Double_t E(Double_t m) const { return TMath::Sqrt(P()P() + mm); }
	96	virtual Double_t Y() const { return Y(GetMostProbablePID()); }
	97	Double_t Y(AODTrkPID_t pid) const;
	98	Double_t Y(Double_t m) const;
df9db588	99
df9db588	100	virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
df9db588	101
	102	virtual Short_t Charge() const {return fCharge; }
	103
	104	// PID
	105	virtual const Double_t *PID() const { return fPID; }
4697e4fb	106	AODTrkPID_t GetMostProbablePID() const;
4697e4fb	107	void ConvertAliPIDtoAODPID();
df9db588	108
	109	template <class T> void GetPID(T *pid) const {
	110	for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
	111
	112	template <class T> void SetPID(const T *pid) {
	113	if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
4697e4fb	114	else {for(Int_t i=0; i<10; fPID[i++]=0.);}}
df9db588	115
	116	Int_t GetID() const { return fID; }
	117	Int_t GetLabel() const { return fLabel; }
	118	Char_t GetType() const { return fType;}
dc825b15	119	Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
df9db588	120
	121	template <class T> void GetP(T *p) const {
	122	p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
	123
	124	template <class T> void GetPxPyPz(T *p) const {
	125	p[0] = Px(); p[1] = Py(); p[2] = Pz();}
	126
	127	template <class T> Bool_t GetPosition(T *x) const {
	128	x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
	129	return TestBit(kIsDCA);}
	130
	131	template <class T> void SetCovMatrix(const T *covMatrix) {
5d62ce04	132	if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
df9db588	133	fCovMatrix->SetCovMatrix(covMatrix);}
	134
	135	template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
	136	if(!fCovMatrix) return kFALSE;
	137	fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
	138
	139	void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
	140
	141	UChar_t GetITSClusterMap() const { return fITSClusterMap; }
	142
	143	AliAODVertex GetProdVertex() const { return (AliAODVertex)fProdVertex.GetObject(); }
	144
	145	// print
	146	void Print(const Option_t *opt = "") const;
	147
	148	// setters
14b34be5	149	void SetID(Int_t id) { fID = id; }
14b34be5	150	void SetLabel(Int_t label) {fLabel = label; }
df9db588	151
14b34be5	152	template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
df9db588	153	void SetDCA(Double_t d, Double_t z);
dc825b15	154	void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
df9db588	155
14b34be5	156	void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
16b65f2a	157	void SetPt(Double_t pt) { fMomentum[0] = pt; };
14b34be5	158	void SetPhi(Double_t phi) { fMomentum[1] = phi; }
	159	void SetTheta(Double_t theta) { fMomentum[2] = theta; }
	160	template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
df9db588	161	void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
df9db588	162
14b34be5	163	void SetCharge(Short_t q) { fCharge = q; }
14b34be5	164	void SetChi2(Double_t chi2) { fChi2 = chi2; }
df9db588	165
14b34be5	166	void SetITSClusterMap(UChar_t itsClusMap) { fITSClusterMap = itsClusMap; }
df9db588	167
	168	void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
	169
	170	// name and title
	171	void SetType(AODTrk_t ttype) { fType=ttype; }
	172
df9db588	173	private :
	174
	175	// Momentum & position
16b65f2a	176	Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
df9db588	177	Double32_t fPosition[3]; // position of first point on track or dca
	178
	179	Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
	180	Double32_t fChi2; // chi2 of mometum fit
	181
	182	Int_t fID; // unique track ID, points back to the ESD track
	183	Int_t fLabel; // track label, points back to MC track
	184
4697e4fb	185	AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
df9db588	186	TRef fProdVertex; // vertex of origin
	187
	188	Char_t fCharge; // particle charge
	189	UChar_t fITSClusterMap; // map of ITS cluster, one bit per layer
d20542b6	190	Char_t fType; // Track Type
df9db588	191
	192
	193	ClassDef(AliAODTrack,1);
	194	};
	195
	196	#endif