[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 "AliVParticle.h"
#include "AliAODVertex.h"
#include "AliAODRedCov.h"

class AliAODTrack : public AliVParticle {

 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,
	      UInt_t selectInfo=0);

  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,
	      UInt_t selectInfo=0);

  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.); fPID[AliAODTrack::kUnknown]=1.;}}

  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; }
  Bool_t  TestFilterBit(UInt_t filterBit) const {return (Bool_t) ((filterBit & fFilterMap) != 0);}

  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; }

  Int_t GetMatchTrigger() const {return fITSMuonClusterMap>>30;}
					//  0 Muon track does not match trigger
					//  1 Muon track match but does not pass pt cut
					//  2 Muon track match Low pt cut
					//  3 Muon track match High pt cut
  void     SetMatchTrigger(Int_t MatchTrigger);
  Int_t    MatchTrigger() const { return (GetMatchTrigger()>0)?1:0; }	//  Muon track matches trigger track
  Int_t    MatchTriggerAnyPt()   const  { return (GetMatchTrigger()>0)?1:0; }	//  Muon track matches trigger track
  Int_t    MatchTriggerLowPt()   const  { return (GetMatchTrigger()>1)?1:0; }	//  Muon track matches trigger track and passes Low pt cut
  Int_t    MatchTriggerHighPt()  const  { return (GetMatchTrigger()>2)?1:0; }	//  Muon track matches trigger track and passes High pt cut
  Double_t GetChi2MatchTrigger() const  { return fChi2MatchTrigger;}
  void     SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;}
  UShort_t GetHitsPatternInTrigCh() const { return (fITSMuonClusterMap&0xff00)>>8; }
  void     SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh);
  Int_t    HitsMT(Int_t istation, Int_t iplane, Char_t *cathode=0);  // Check if track hits Muon chambers
  Int_t    HitsMuonChamber(Int_t MuonChamber);  // Check if track hits Muon chambers
  Bool_t   IsMuonTrack() const { return fITSMuonClusterMap>>16;}  // This scheme has to be checked, still!

  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

  Double_t      fChi2MatchTrigger;  // chi2 of trigger/track matching
  UInt_t        fFilterMap;         // filter information, one bit per set of cuts

  ClassDef(AliAODTrack,4);
};

#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
9861edc0	16	#include "AliVParticle.h"
df9db588	17	#include "AliAODVertex.h"
5d62ce04	18	#include "AliAODRedCov.h"
df9db588	19
9861edc0	20	class AliAODTrack : public AliVParticle {
df9db588	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,
ec40c484	63	AODTrk_t ttype=kUndef,
ec40c484	64	UInt_t selectInfo=0);
df9db588	65
dc825b15	66	AliAODTrack(Int_t id,
df9db588	67	Int_t label,
	68	Float_t p[3],
	69	Bool_t cartesian,
	70	Float_t x[3],
	71	Bool_t dca,
	72	Float_t covMatrix[21],
	73	Short_t q,
	74	UChar_t itsClusMap,
	75	Float_t pid[10],
	76	AliAODVertex *prodVertex,
1912763f	77	Bool_t usedForVtxFit,
dc825b15	78	Bool_t usedForPrimVtxFit,
ec40c484	79	AODTrk_t ttype=kUndef,
ec40c484	80	UInt_t selectInfo=0);
df9db588	81
	82	virtual ~AliAODTrack();
	83	AliAODTrack(const AliAODTrack& trk);
	84	AliAODTrack& operator=(const AliAODTrack& trk);
	85
	86	// kinematics
16b65f2a	87	virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
df9db588	88	virtual Double_t Phi() const { return fMomentum[1]; }
	89	virtual Double_t Theta() const { return fMomentum[2]; }
	90
16b65f2a	91	virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
	92	virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
	93	virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
	94	virtual Double_t Pt() const { return fMomentum[0]; }
df9db588	95	virtual Double_t P() const { return TMath::Sqrt(Pt()Pt()+Pz()Pz()); }
4697e4fb	96
1912763f	97	Double_t Chi2perNDF() const { return fChi2perNDF; }
4697e4fb	98
	99	virtual Double_t M() const { return M(GetMostProbablePID()); }
	100	Double_t M(AODTrkPID_t pid) const;
	101	virtual Double_t E() const { return E(GetMostProbablePID()); }
	102	Double_t E(AODTrkPID_t pid) const;
	103	Double_t E(Double_t m) const { return TMath::Sqrt(P()P() + mm); }
	104	virtual Double_t Y() const { return Y(GetMostProbablePID()); }
	105	Double_t Y(AODTrkPID_t pid) const;
	106	Double_t Y(Double_t m) const;
df9db588	107
df9db588	108	virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
df9db588	109
	110	virtual Short_t Charge() const {return fCharge; }
	111
	112	// PID
	113	virtual const Double_t *PID() const { return fPID; }
4697e4fb	114	AODTrkPID_t GetMostProbablePID() const;
4697e4fb	115	void ConvertAliPIDtoAODPID();
df9db588	116
	117	template <class T> void GetPID(T *pid) const {
	118	for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
	119
	120	template <class T> void SetPID(const T *pid) {
	121	if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
186bf2c9	122	else {for(Int_t i=0; i<10; fPID[i++]=0.); fPID[AliAODTrack::kUnknown]=1.;}}
df9db588	123
	124	Int_t GetID() const { return fID; }
	125	Int_t GetLabel() const { return fLabel; }
	126	Char_t GetType() const { return fType;}
1912763f	127	Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); }
dc825b15	128	Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
df9db588	129
	130	template <class T> void GetP(T *p) const {
	131	p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
	132
	133	template <class T> void GetPxPyPz(T *p) const {
	134	p[0] = Px(); p[1] = Py(); p[2] = Pz();}
	135
	136	template <class T> Bool_t GetPosition(T *x) const {
	137	x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
	138	return TestBit(kIsDCA);}
	139
	140	template <class T> void SetCovMatrix(const T *covMatrix) {
5d62ce04	141	if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
df9db588	142	fCovMatrix->SetCovMatrix(covMatrix);}
	143
	144	template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
	145	if(!fCovMatrix) return kFALSE;
	146	fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
	147
	148	void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
	149
1912763f	150	UChar_t GetITSClusterMap() const { return (UChar_t)fITSMuonClusterMap; }
	151	UInt_t GetMUONClusterMap() const { return fITSMuonClusterMap/65536; }
	152	UInt_t GetITSMUONClusterMap() const { return fITSMuonClusterMap; }
8a1418dc	153	Bool_t TestFilterBit(UInt_t filterBit) const {return (Bool_t) ((filterBit & fFilterMap) != 0);}
df9db588	154
	155	AliAODVertex GetProdVertex() const { return (AliAODVertex)fProdVertex.GetObject(); }
	156
	157	// print
	158	void Print(const Option_t *opt = "") const;
	159
	160	// setters
14b34be5	161	void SetID(Int_t id) { fID = id; }
14b34be5	162	void SetLabel(Int_t label) {fLabel = label; }
df9db588	163
14b34be5	164	template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
df9db588	165	void SetDCA(Double_t d, Double_t z);
1912763f	166	void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); }
dc825b15	167	void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
df9db588	168
14b34be5	169	void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
16b65f2a	170	void SetPt(Double_t pt) { fMomentum[0] = pt; };
14b34be5	171	void SetPhi(Double_t phi) { fMomentum[1] = phi; }
	172	void SetTheta(Double_t theta) { fMomentum[2] = theta; }
	173	template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
df9db588	174	void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
df9db588	175
14b34be5	176	void SetCharge(Short_t q) { fCharge = q; }
1912763f	177	void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }
df9db588	178
1912763f	179	void SetITSClusterMap(UChar_t itsClusMap) { fITSMuonClusterMap = (UInt_t)itsClusMap; }
	180	void SetMuonClusterMap(UInt_t muonClusMap) { fITSMuonClusterMap = muonClusMap*65536; }
	181	void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; }
df9db588	182
8a1418dc	183	Int_t GetMatchTrigger() const {return fITSMuonClusterMap>>30;}
e1c744ca	184	// 0 Muon track does not match trigger
	185	// 1 Muon track match but does not pass pt cut
	186	// 2 Muon track match Low pt cut
	187	// 3 Muon track match High pt cut
	188	void SetMatchTrigger(Int_t MatchTrigger);
8a1418dc	189	Int_t MatchTrigger() const { return (GetMatchTrigger()>0)?1:0; } // Muon track matches trigger track
	190	Int_t MatchTriggerAnyPt() const { return (GetMatchTrigger()>0)?1:0; } // Muon track matches trigger track
	191	Int_t MatchTriggerLowPt() const { return (GetMatchTrigger()>1)?1:0; } // Muon track matches trigger track and passes Low pt cut
	192	Int_t MatchTriggerHighPt() const { return (GetMatchTrigger()>2)?1:0; } // Muon track matches trigger track and passes High pt cut
	193	Double_t GetChi2MatchTrigger() const { return fChi2MatchTrigger;}
e1c744ca	194	void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;}
	195	UShort_t GetHitsPatternInTrigCh() const { return (fITSMuonClusterMap&0xff00)>>8; }
	196	void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh);
9861edc0	197	Int_t HitsMT(Int_t istation, Int_t iplane, Char_t *cathode=0); // Check if track hits Muon chambers
	198	Int_t HitsMuonChamber(Int_t MuonChamber); // Check if track hits Muon chambers
	199	Bool_t IsMuonTrack() const { return fITSMuonClusterMap>>16;} // This scheme has to be checked, still!
e1c744ca	200
df9db588	201	void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
	202
	203	// name and title
	204	void SetType(AODTrk_t ttype) { fType=ttype; }
	205
df9db588	206	private :
	207
	208	// Momentum & position
1912763f	209	Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
1912763f	210	Double32_t fPosition[3]; // position of first point on track or dca
df9db588	211
1912763f	212	Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
1912763f	213	Double32_t fChi2perNDF; // chi2/NDF of mometum fit
df9db588	214
1912763f	215	Int_t fID; // unique track ID, points back to the ESD track
1912763f	216	Int_t fLabel; // track label, points back to MC track
df9db588	217
1912763f	218	AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
1912763f	219	TRef fProdVertex; // vertex of origin
df9db588	220
1912763f	221	Char_t fCharge; // particle charge
	222	UInt_t fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer (ITS: bit 1-8, muon: bit 17-32)
	223	Char_t fType; // Track Type
df9db588	224
ec40c484	225	Double_t fChi2MatchTrigger; // chi2 of trigger/track matching
ec40c484	226	UInt_t fFilterMap; // filter information, one bit per set of cuts
df9db588	227
9861edc0	228	ClassDef(AliAODTrack,4);
df9db588	229	};
	230
	231	#endif