[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAODRecoDecayHF.h

#ifndef ALIAODRECODECAYHF_H
#define ALIAODRECODECAYHF_H
/* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */ 

//***********************************************************
// Class AliAODRecoDecayHF
// base class for AOD reconstructed heavy-flavour decays
// Author: A.Dainese, andrea.dainese@lnl.infn.it
//***********************************************************

#include <TRef.h>
#include <TList.h>
#include "AliAODTrack.h"
#include "AliAODRecoDecay.h"

class AliAODEvent;
class AliRDHFCuts;
class AliKFParticle;

class AliAODRecoDecayHF : public AliAODRecoDecay {

 public:

  AliAODRecoDecayHF();
  AliAODRecoDecayHF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
		    Double_t *px,Double_t *py,Double_t *pz,
		    Double_t *d0,Double_t *d0err);
  AliAODRecoDecayHF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
		    Double_t *d0,Double_t *d0err);
  AliAODRecoDecayHF(Double_t vtx1[3],Double_t vtx2[3],
		    Int_t nprongs,Short_t charge,
		    Double_t *px,Double_t *py,Double_t *pz,Double_t *d0);
  virtual ~AliAODRecoDecayHF();

  AliAODRecoDecayHF(const AliAODRecoDecayHF& source);
  AliAODRecoDecayHF& operator=(const AliAODRecoDecayHF& source); 
   

  // primary vertex
  void SetPrimaryVtxRef(TObject *vtx) { fEventPrimaryVtx = vtx; }
  AliAODVertex* GetPrimaryVtxRef() const { return (AliAODVertex*)(fEventPrimaryVtx.GetObject()); }
  void SetOwnPrimaryVtx(const AliAODVertex *vtx) { UnsetOwnPrimaryVtx(); fOwnPrimaryVtx = new AliAODVertex(*vtx);}
  void CheckOwnPrimaryVtx() const 
    {if(!fOwnPrimaryVtx) printf("fOwnPrimaryVtx not set"); return;}
  AliAODVertex* GetOwnPrimaryVtx() const {return fOwnPrimaryVtx;}
  void GetOwnPrimaryVtx(Double_t vtx[3]) const 
    {CheckOwnPrimaryVtx();fOwnPrimaryVtx->GetPosition(vtx);}
  void UnsetOwnPrimaryVtx() {if(fOwnPrimaryVtx) {delete fOwnPrimaryVtx; fOwnPrimaryVtx=0;} return;}
  AliAODVertex* GetPrimaryVtx() const { return (GetOwnPrimaryVtx() ? GetOwnPrimaryVtx() : GetPrimaryVtxRef()); }
  AliAODVertex* RemoveDaughtersFromPrimaryVtx(AliAODEvent *aod);  


  // kinematics & topology
  Double_t DecayLength2() const 
    { return AliAODRecoDecay::DecayLength2(GetPrimaryVtx());}
  Double_t DecayLength() const 
    { return AliAODRecoDecay::DecayLength(GetPrimaryVtx());}
  Double_t DecayLengthError() const 
    { return AliAODRecoDecay::DecayLengthError(GetPrimaryVtx());}
  Double_t NormalizedDecayLength() const 
    { return AliAODRecoDecay::NormalizedDecayLength(GetPrimaryVtx());}
  Double_t NormalizedDecayLength2() const 
    { return AliAODRecoDecay::NormalizedDecayLength2(GetPrimaryVtx());}
  Double_t DecayLengthXY() const 
    { return AliAODRecoDecay::DecayLengthXY(GetPrimaryVtx());}
  Double_t DecayLengthXYError() const 
    { return AliAODRecoDecay::DecayLengthXYError(GetPrimaryVtx());}
  Double_t NormalizedDecayLengthXY() const 
    { return AliAODRecoDecay::NormalizedDecayLengthXY(GetPrimaryVtx());}
  Double_t Ct(UInt_t pdg) const 
    { return AliAODRecoDecay::Ct(pdg,GetPrimaryVtx());}
  Double_t CosPointingAngle() const 
    { return AliAODRecoDecay::CosPointingAngle(GetPrimaryVtx());}
  Double_t CosPointingAngleXY() const 
    { return AliAODRecoDecay::CosPointingAngleXY(GetPrimaryVtx());}
  Double_t ImpParXY() const 
    { return AliAODRecoDecay::ImpParXY(GetPrimaryVtx());}
  Double_t QtProngFlightLine(Int_t ip) const 
    { return AliAODRecoDecay::QtProngFlightLine(ip,GetPrimaryVtx());}
  Double_t QlProngFlightLine(Int_t ip) const 
    { return AliAODRecoDecay::QlProngFlightLine(ip,GetPrimaryVtx());}

  // prongs
  Double_t Getd0errProng(Int_t ip) const {return fd0err[ip];}
  void     Setd0errProngs(Int_t nprongs,Double_t *d0);
  Double_t Normalizedd0Prong(Int_t ip) const 
    {return Getd0Prong(ip)/Getd0errProng(ip);}
  
  void SetProngIDs(Int_t nIDs,UShort_t *id);
  UShort_t GetProngID(Int_t ip) const 
    {if(fProngID) {return fProngID[ip];} else {return 9999;}}

  // ITS clustermap for daughters
  Bool_t DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const;

  // check if it is like-sign
  Bool_t IsLikeSign() const;

  // list of cuts
  void SetListOfCutsRef(TObject *obj) {fListOfCuts=obj;}
  TList *GetListOfCuts() const {return (TList*)(fListOfCuts.GetObject());}
  AliRDHFCuts *GetCuts(const char* name) const;

  // vertexing KF:
  AliKFParticle *ApplyVertexingKF(Int_t *iprongs,Int_t nprongs,Int_t *pdgs,
				 Bool_t topoCostraint,Double_t bzkG,
				 Double_t *mass) const;
  
  // misalign
  void Misalign(TString misal="null");

  // selection map
  void    SetSelectionBit(Int_t i) {SETBIT(fSelectionMap,i); return;}
  Bool_t  HasSelectionBit(Int_t i) const {return TESTBIT(fSelectionMap,i);}
  ULong_t GetSelectionMap() const {return fSelectionMap;}

  Int_t   NumberOfFakeDaughters() const;

 protected:

  AliAODVertex *fOwnPrimaryVtx; // primary vertex for this candidate
  TRef          fEventPrimaryVtx; // ref to primary vertex of the event
  TRef          fListOfCuts;  // ref to the list of analysis cuts
  Double_t     *fd0err;  //[fNProngs] error on prongs rphi impact param [cm]
  UShort_t     *fProngID;  //[fNProngs] track ID of daughters
  ULong_t       fSelectionMap; // used to store outcome of selection in AliAnalysisVertexingHF

  ClassDef(AliAODRecoDecayHF,5)  // base class for AOD reconstructed heavy-flavour decays
};

inline void AliAODRecoDecayHF::SetProngIDs(Int_t nIDs,UShort_t *id) 
{
  if(nIDs!=GetNProngs()) { 
    printf("Wrong number of IDs, must be nProngs\n");
    return;
  }
  if(fProngID) delete [] fProngID;
  fProngID = new UShort_t[nIDs];
  for(Int_t i=0;i<nIDs;i++) 
    fProngID[i] = id[i]; 
  return;
}

inline Bool_t AliAODRecoDecayHF::IsLikeSign() const
{
  // check if it is like-sign

  Int_t ndg=GetNDaughters();
  if(!ndg) {
    printf("Daughters not available\n");
    return kFALSE;
  }
  Int_t chargeDg0 = ((AliAODTrack*)GetDaughter(0))->Charge();

  for(Int_t i=1; i<ndg; i++) {
    if(chargeDg0!=((AliAODTrack*)GetDaughter(i))->Charge()) return kFALSE;
  }

  return kTRUE;
}

inline AliRDHFCuts *AliAODRecoDecayHF::GetCuts(const char* name) const
{ 
  // returns the analysis cuts

  TList *list = GetListOfCuts();
  if(!list) return 0;


  return (AliRDHFCuts*)list->FindObject(name);
}

inline Bool_t AliAODRecoDecayHF::DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const
{
  // ITS clustermap for daughters

  if(l<0 || l>5) {
    printf("ERROR: layer has to be in the range 0-5\n");
    return kFALSE;
  }
  AliAODTrack *t = (AliAODTrack*)GetDaughter(dg);
  if(!t) return kFALSE;

  return TESTBIT(t->GetITSClusterMap(),l);
}

inline Int_t AliAODRecoDecayHF::NumberOfFakeDaughters() const 
{
  // Count number of daughters with negative label

  Int_t nfakes=0;
  for(Int_t i=0; i<GetNDaughters(); i++) {
    AliAODTrack *track=(AliAODTrack*)GetDaughter(i);

    if(track->Charge()==0) { // this is a two prong decay
      AliAODRecoDecay *rd=(AliAODRecoDecay*)GetDaughter(i);
      for(Int_t j=0; j<rd->GetNDaughters(); j++) {
	AliAODTrack *track2=(AliAODTrack*)GetDaughter(j);
	if(track2->GetLabel()<0) nfakes++;
      }
      continue;
    }

    if(track->GetLabel()<0) nfakes++;
  }
  return nfakes;
}

inline void AliAODRecoDecayHF::Setd0errProngs(Int_t nprongs,Double_t *d0err) 
{
  if(nprongs!=GetNProngs()) { 
    printf("Wrong number of momenta, must be nProngs");
    return;
  }
  if(!fd0) {
    fd0err = new Double32_t[nprongs];
  }
  for(Int_t i=0;i<nprongs;i++) {
    fd0err[i] = d0err[i]; 
  }

  return;
}

#endif
Commit	Line	Data
3244eeed	1	#ifndef ALIAODRECODECAYHF_H
	2	#define ALIAODRECODECAYHF_H
	3	/* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
27de2dfb	6	/* $Id$ */
27de2dfb	7
3244eeed	8	//***********************************************************
	9	// Class AliAODRecoDecayHF
	10	// base class for AOD reconstructed heavy-flavour decays
	11	// Author: A.Dainese, andrea.dainese@lnl.infn.it
	12	//***********************************************************
	13
460cd990	14	#include <TRef.h>
a9b75906	15	#include <TList.h>
ac7797a7	16	#include "AliAODTrack.h"
3244eeed	17	#include "AliAODRecoDecay.h"
3244eeed	18
ead561f0	19	class AliAODEvent;
a9b75906	20	class AliRDHFCuts;
ec653946	21	class AliKFParticle;
ec653946	22
3244eeed	23	class AliAODRecoDecayHF : public AliAODRecoDecay {
	24
	25	public:
	26
	27	AliAODRecoDecayHF();
	28	AliAODRecoDecayHF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
	29	Double_t px,Double_t py,Double_t *pz,
	30	Double_t d0,Double_t d0err);
	31	AliAODRecoDecayHF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
	32	Double_t d0,Double_t d0err);
b39168f9	33	AliAODRecoDecayHF(Double_t vtx1[3],Double_t vtx2[3],
	34	Int_t nprongs,Short_t charge,
	35	Double_t px,Double_t py,Double_t pz,Double_t d0);
3244eeed	36	virtual ~AliAODRecoDecayHF();
	37
	38	AliAODRecoDecayHF(const AliAODRecoDecayHF& source);
	39	AliAODRecoDecayHF& operator=(const AliAODRecoDecayHF& source);
	40
	41
	42	// primary vertex
460cd990	43	void SetPrimaryVtxRef(TObject *vtx) { fEventPrimaryVtx = vtx; }
	44	AliAODVertex* GetPrimaryVtxRef() const { return (AliAODVertex*)(fEventPrimaryVtx.GetObject()); }
	45	void SetOwnPrimaryVtx(const AliAODVertex vtx) { UnsetOwnPrimaryVtx(); fOwnPrimaryVtx = new AliAODVertex(vtx);}
3244eeed	46	void CheckOwnPrimaryVtx() const
	47	{if(!fOwnPrimaryVtx) printf("fOwnPrimaryVtx not set"); return;}
	48	AliAODVertex* GetOwnPrimaryVtx() const {return fOwnPrimaryVtx;}
	49	void GetOwnPrimaryVtx(Double_t vtx[3]) const
	50	{CheckOwnPrimaryVtx();fOwnPrimaryVtx->GetPosition(vtx);}
0a65d33f	51	void UnsetOwnPrimaryVtx() {if(fOwnPrimaryVtx) {delete fOwnPrimaryVtx; fOwnPrimaryVtx=0;} return;}
460cd990	52	AliAODVertex* GetPrimaryVtx() const { return (GetOwnPrimaryVtx() ? GetOwnPrimaryVtx() : GetPrimaryVtxRef()); }
ead561f0	53	AliAODVertex* RemoveDaughtersFromPrimaryVtx(AliAODEvent *aod);
ead561f0	54
3244eeed	55
3244eeed	56	// kinematics & topology
fcf73952	57	Double_t DecayLength2() const
fcf73952	58	{ return AliAODRecoDecay::DecayLength2(GetPrimaryVtx());}
3244eeed	59	Double_t DecayLength() const
460cd990	60	{ return AliAODRecoDecay::DecayLength(GetPrimaryVtx());}
3244eeed	61	Double_t DecayLengthError() const
460cd990	62	{ return AliAODRecoDecay::DecayLengthError(GetPrimaryVtx());}
3244eeed	63	Double_t NormalizedDecayLength() const
460cd990	64	{ return AliAODRecoDecay::NormalizedDecayLength(GetPrimaryVtx());}
be9cad0c	65	Double_t NormalizedDecayLength2() const
be9cad0c	66	{ return AliAODRecoDecay::NormalizedDecayLength2(GetPrimaryVtx());}
3244eeed	67	Double_t DecayLengthXY() const
460cd990	68	{ return AliAODRecoDecay::DecayLengthXY(GetPrimaryVtx());}
3244eeed	69	Double_t DecayLengthXYError() const
460cd990	70	{ return AliAODRecoDecay::DecayLengthXYError(GetPrimaryVtx());}
3244eeed	71	Double_t NormalizedDecayLengthXY() const
460cd990	72	{ return AliAODRecoDecay::NormalizedDecayLengthXY(GetPrimaryVtx());}
3244eeed	73	Double_t Ct(UInt_t pdg) const
460cd990	74	{ return AliAODRecoDecay::Ct(pdg,GetPrimaryVtx());}
3244eeed	75	Double_t CosPointingAngle() const
460cd990	76	{ return AliAODRecoDecay::CosPointingAngle(GetPrimaryVtx());}
3244eeed	77	Double_t CosPointingAngleXY() const
460cd990	78	{ return AliAODRecoDecay::CosPointingAngleXY(GetPrimaryVtx());}
3244eeed	79	Double_t ImpParXY() const
460cd990	80	{ return AliAODRecoDecay::ImpParXY(GetPrimaryVtx());}
3244eeed	81	Double_t QtProngFlightLine(Int_t ip) const
460cd990	82	{ return AliAODRecoDecay::QtProngFlightLine(ip,GetPrimaryVtx());}
3244eeed	83	Double_t QlProngFlightLine(Int_t ip) const
460cd990	84	{ return AliAODRecoDecay::QlProngFlightLine(ip,GetPrimaryVtx());}
3244eeed	85
	86	// prongs
	87	Double_t Getd0errProng(Int_t ip) const {return fd0err[ip];}
ed6324e5	88	void Setd0errProngs(Int_t nprongs,Double_t *d0);
3244eeed	89	Double_t Normalizedd0Prong(Int_t ip) const
	90	{return Getd0Prong(ip)/Getd0errProng(ip);}
	91
6185d025	92	void SetProngIDs(Int_t nIDs,UShort_t *id);
6185d025	93	UShort_t GetProngID(Int_t ip) const
dcb444c9	94	{if(fProngID) {return fProngID[ip];} else {return 9999;}}
6185d025	95
ac7797a7	96	// ITS clustermap for daughters
	97	Bool_t DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const;
	98
27917274	99	// check if it is like-sign
27917274	100	Bool_t IsLikeSign() const;
3244eeed	101
a9b75906	102	// list of cuts
	103	void SetListOfCutsRef(TObject *obj) {fListOfCuts=obj;}
	104	TList GetListOfCuts() const {return (TList)(fListOfCuts.GetObject());}
	105	AliRDHFCuts GetCuts(const char name) const;
ec653946	106
	107	// vertexing KF:
	108	AliKFParticle ApplyVertexingKF(Int_t iprongs,Int_t nprongs,Int_t *pdgs,
	109	Bool_t topoCostraint,Double_t bzkG,
	110	Double_t *mass) const;
	111
15c6df42	112	// misalign
	113	void Misalign(TString misal="null");
	114
939850df	115	// selection map
	116	void SetSelectionBit(Int_t i) {SETBIT(fSelectionMap,i); return;}
	117	Bool_t HasSelectionBit(Int_t i) const {return TESTBIT(fSelectionMap,i);}
	118	ULong_t GetSelectionMap() const {return fSelectionMap;}
	119
79a848cd	120	Int_t NumberOfFakeDaughters() const;
79a848cd	121
3244eeed	122	protected:
	123
	124	AliAODVertex *fOwnPrimaryVtx; // primary vertex for this candidate
460cd990	125	TRef fEventPrimaryVtx; // ref to primary vertex of the event
a9b75906	126	TRef fListOfCuts; // ref to the list of analysis cuts
6185d025	127	Double_t *fd0err; //[fNProngs] error on prongs rphi impact param [cm]
6185d025	128	UShort_t *fProngID; //[fNProngs] track ID of daughters
939850df	129	ULong_t fSelectionMap; // used to store outcome of selection in AliAnalysisVertexingHF
3244eeed	130
939850df	131	ClassDef(AliAODRecoDecayHF,5) // base class for AOD reconstructed heavy-flavour decays
3244eeed	132	};
3244eeed	133
6185d025	134	inline void AliAODRecoDecayHF::SetProngIDs(Int_t nIDs,UShort_t *id)
	135	{
	136	if(nIDs!=GetNProngs()) {
	137	printf("Wrong number of IDs, must be nProngs\n");
	138	return;
	139	}
	140	if(fProngID) delete [] fProngID;
	141	fProngID = new UShort_t[nIDs];
	142	for(Int_t i=0;i<nIDs;i++)
	143	fProngID[i] = id[i];
	144	return;
	145	}
	146
27917274	147	inline Bool_t AliAODRecoDecayHF::IsLikeSign() const
	148	{
	149	// check if it is like-sign
	150
	151	Int_t ndg=GetNDaughters();
	152	if(!ndg) {
	153	printf("Daughters not available\n");
	154	return kFALSE;
	155	}
	156	Int_t chargeDg0 = ((AliAODTrack*)GetDaughter(0))->Charge();
	157
	158	for(Int_t i=1; i<ndg; i++) {
	159	if(chargeDg0!=((AliAODTrack*)GetDaughter(i))->Charge()) return kFALSE;
	160	}
	161
	162	return kTRUE;
	163	}
	164
a9b75906	165	inline AliRDHFCuts AliAODRecoDecayHF::GetCuts(const char name) const
	166	{
	167	// returns the analysis cuts
	168
	169	TList *list = GetListOfCuts();
	170	if(!list) return 0;
	171
	172
	173	return (AliRDHFCuts*)list->FindObject(name);
	174	}
	175
ac7797a7	176	inline Bool_t AliAODRecoDecayHF::DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const
	177	{
	178	// ITS clustermap for daughters
	179
	180	if(l<0 \|\| l>5) {
	181	printf("ERROR: layer has to be in the range 0-5\n");
	182	return kFALSE;
	183	}
	184	AliAODTrack t = (AliAODTrack)GetDaughter(dg);
	185	if(!t) return kFALSE;
	186
	187	return TESTBIT(t->GetITSClusterMap(),l);
	188	}
	189
79a848cd	190	inline Int_t AliAODRecoDecayHF::NumberOfFakeDaughters() const
	191	{
	192	// Count number of daughters with negative label
	193
	194	Int_t nfakes=0;
	195	for(Int_t i=0; i<GetNDaughters(); i++) {
	196	AliAODTrack track=(AliAODTrack)GetDaughter(i);
	197
	198	if(track->Charge()==0) { // this is a two prong decay
	199	AliAODRecoDecay rd=(AliAODRecoDecay)GetDaughter(i);
	200	for(Int_t j=0; j<rd->GetNDaughters(); j++) {
	201	AliAODTrack track2=(AliAODTrack)GetDaughter(j);
	202	if(track2->GetLabel()<0) nfakes++;
	203	}
	204	continue;
	205	}
	206
	207	if(track->GetLabel()<0) nfakes++;
	208	}
	209	return nfakes;
	210	}
	211
ed6324e5	212	inline void AliAODRecoDecayHF::Setd0errProngs(Int_t nprongs,Double_t *d0err)
	213	{
	214	if(nprongs!=GetNProngs()) {
	215	printf("Wrong number of momenta, must be nProngs");
	216	return;
	217	}
	218	if(!fd0) {
	219	fd0err = new Double32_t[nprongs];
	220	}
	221	for(Int_t i=0;i<nprongs;i++) {
	222	fd0err[i] = d0err[i];
	223	}
	224
	225	return;
	226	}
	227
3244eeed	228	#endif
27917274	229