[u/mrichter/AliRoot.git] / PWGLF / STRANGENESS / Hypernuclei / AliAODRecoDecayLF.h

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

/* $Id$ */ 

//***********************************************************
// Class AliAODRecoDecayLF
// base class for AOD reconstructed light-flavour decays
// strongly based on AliAODRecoDecayHF by A.Dainese, andrea.dainese@lnl.infn.it
// Author: Ramona Lea (ramona.lea@cern.ch)
//***********************************************************

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

class AliAODEvent;
class AliKFParticle;

class AliAODRecoDecayLF : public AliAODRecoDecay {

 public:

  AliAODRecoDecayLF();
  AliAODRecoDecayLF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
		    Double_t *px,Double_t *py,Double_t *pz,
		    Double_t *d0,Double_t *d0err);
  AliAODRecoDecayLF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
		    Double_t *d0,Double_t *d0err);
  AliAODRecoDecayLF(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 ~AliAODRecoDecayLF();

  AliAODRecoDecayLF(const AliAODRecoDecayLF& source);
  AliAODRecoDecayLF& operator=(const AliAODRecoDecayLF& 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);  
  void          RecalculateImpPars(AliAODVertex *vtxAODNew,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());} */
  /* AliRDLFCuts *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;

  Bool_t  HasBadDaughters() const; // TPC+ITS tracks not passing the StandardCuts2010 with loose DCA

 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 AliAnalysisVertexingLF

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

inline void AliAODRecoDecayLF::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 AliAODRecoDecayLF::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 Bool_t AliAODRecoDecayLF::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 AliAODRecoDecayLF::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 AliAODRecoDecayLF::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;
}

inline Bool_t AliAODRecoDecayLF::HasBadDaughters() const {

  // checks if at least one of ITS+TPC daughters didn't pass the StandardCuts2010 with loose DCA (ie doesn't have the BIT(4) set)

  for(Int_t iDau=0; iDau<GetNDaughters(); iDau++){
    if (GetDaughter(iDau)==NULL) continue;
    AliAODTrack* at=dynamic_cast<AliAODTrack*>(GetDaughter(iDau));
    if (!at) continue;
    if(at->Charge()==0) continue;
    if(at->GetTPCNcls()==0) continue;
    if(!(at->TestFilterMask(BIT(4)))) return kTRUE;
  }
  return kFALSE;
}


#endif
Commit	Line	Data
420938a5	1	#ifndef ALIAODRECODECAYLF_H
	2	#define ALIAODRECODECAYLF_H
	3	/* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	//***********************************************************
	9	// Class AliAODRecoDecayLF
	10	// base class for AOD reconstructed light-flavour decays
	11	// strongly based on AliAODRecoDecayHF by A.Dainese, andrea.dainese@lnl.infn.it
	12	// Author: Ramona Lea (ramona.lea@cern.ch)
	13	//***********************************************************
	14
	15	#include <TRef.h>
	16	#include <TList.h>
	17	#include "AliAODTrack.h"
	18	#include "AliAODRecoDecay.h"
	19
	20	class AliAODEvent;
	21	class AliKFParticle;
	22
	23	class AliAODRecoDecayLF : public AliAODRecoDecay {
	24
	25	public:
	26
	27	AliAODRecoDecayLF();
	28	AliAODRecoDecayLF(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	AliAODRecoDecayLF(AliAODVertex *vtx2,Int_t nprongs,Short_t charge,
	32	Double_t d0,Double_t d0err);
	33	AliAODRecoDecayLF(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);
	36	virtual ~AliAODRecoDecayLF();
	37
	38	AliAODRecoDecayLF(const AliAODRecoDecayLF& source);
	39	AliAODRecoDecayLF& operator=(const AliAODRecoDecayLF& source);
	40
	41
	42	// primary vertex
	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);}
	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);}
	51	void UnsetOwnPrimaryVtx() {if(fOwnPrimaryVtx) {delete fOwnPrimaryVtx; fOwnPrimaryVtx=0;} return;}
	52	AliAODVertex* GetPrimaryVtx() const { return (GetOwnPrimaryVtx() ? GetOwnPrimaryVtx() : GetPrimaryVtxRef()); }
	53	AliAODVertex* RemoveDaughtersFromPrimaryVtx(AliAODEvent *aod);
	54	void RecalculateImpPars(AliAODVertex vtxAODNew,AliAODEvent aod);
	55
	56
	57	// kinematics & topology
	58	Double_t DecayLength2() const
	59	{ return AliAODRecoDecay::DecayLength2(GetPrimaryVtx());}
	60	Double_t DecayLength() const
	61	{ return AliAODRecoDecay::DecayLength(GetPrimaryVtx());}
	62	Double_t DecayLengthError() const
	63	{ return AliAODRecoDecay::DecayLengthError(GetPrimaryVtx());}
	64	Double_t NormalizedDecayLength() const
65	{ return AliAODRecoDecay::NormalizedDecayLength(GetPrimaryVtx());}
66	Double_t NormalizedDecayLength2() const
67	{ return AliAODRecoDecay::NormalizedDecayLength2(GetPrimaryVtx());}
68	Double_t DecayLengthXY() const
69	{ return AliAODRecoDecay::DecayLengthXY(GetPrimaryVtx());}
70	Double_t DecayLengthXYError() const
71	{ return AliAODRecoDecay::DecayLengthXYError(GetPrimaryVtx());}
72	Double_t NormalizedDecayLengthXY() const
73	{ return AliAODRecoDecay::NormalizedDecayLengthXY(GetPrimaryVtx());}
74	Double_t Ct(UInt_t pdg) const
75	{ return AliAODRecoDecay::Ct(pdg,GetPrimaryVtx());}
76	Double_t CosPointingAngle() const
77	{ return AliAODRecoDecay::CosPointingAngle(GetPrimaryVtx());}
78	Double_t CosPointingAngleXY() const
79	{ return AliAODRecoDecay::CosPointingAngleXY(GetPrimaryVtx());}
80	Double_t ImpParXY() const
81	{ return AliAODRecoDecay::ImpParXY(GetPrimaryVtx());}
82	Double_t QtProngFlightLine(Int_t ip) const
83	{ return AliAODRecoDecay::QtProngFlightLine(ip,GetPrimaryVtx());}
84	Double_t QlProngFlightLine(Int_t ip) const
85	{ return AliAODRecoDecay::QlProngFlightLine(ip,GetPrimaryVtx());}
86
87	// prongs
88	Double_t Getd0errProng(Int_t ip) const {return fd0err[ip];}
89	void Setd0errProngs(Int_t nprongs,Double_t *d0);
90	Double_t Normalizedd0Prong(Int_t ip) const
91	{return Getd0Prong(ip)/Getd0errProng(ip);}
92
93	void SetProngIDs(Int_t nIDs,UShort_t *id);
94	UShort_t GetProngID(Int_t ip) const
95	{if(fProngID) {return fProngID[ip];} else {return 9999;}}
96
97	// ITS clustermap for daughters
98	Bool_t DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const;
99
100	// check if it is like-sign
101	Bool_t IsLikeSign() const;
102
103	// list of cuts
104	/* void SetListOfCutsRef(TObject obj) {fListOfCuts=obj;} /
105	/* TList GetListOfCuts() const {return (TList)(fListOfCuts.GetObject());} */
106	/* AliRDLFCuts GetCuts(const char name) const; */
107
108	// vertexing KF:
109	AliKFParticle ApplyVertexingKF(Int_t iprongs,Int_t nprongs,Int_t *pdgs,
110	Bool_t topoCostraint,Double_t bzkG,
111	Double_t *mass) const;
112
113	// misalign
114	void Misalign(TString misal="null");
115
116	// selection map
117	void SetSelectionBit(Int_t i) {SETBIT(fSelectionMap,i); return;}
118	Bool_t HasSelectionBit(Int_t i) const {return TESTBIT(fSelectionMap,i);}
119	ULong_t GetSelectionMap() const {return fSelectionMap;}
120
121	Int_t NumberOfFakeDaughters() const;
122
123	Bool_t HasBadDaughters() const; // TPC+ITS tracks not passing the StandardCuts2010 with loose DCA
124
125	protected:
126
127	AliAODVertex *fOwnPrimaryVtx; // primary vertex for this candidate
128	TRef fEventPrimaryVtx; // ref to primary vertex of the event
129	TRef fListOfCuts; // ref to the list of analysis cuts
130	Double_t *fd0err; //[fNProngs] error on prongs rphi impact param [cm]
131	UShort_t *fProngID; //[fNProngs] track ID of daughters
132	ULong_t fSelectionMap; // used to store outcome of selection in AliAnalysisVertexingLF
133
134	ClassDef(AliAODRecoDecayLF,5) // base class for AOD reconstructed heavy-flavour decays
135	};
136
137	inline void AliAODRecoDecayLF::SetProngIDs(Int_t nIDs,UShort_t *id)
138	{
139	if(nIDs!=GetNProngs()) {
140	printf("Wrong number of IDs, must be nProngs\n");
141	return;
142	}
143	if(fProngID) delete [] fProngID;
144	fProngID = new UShort_t[nIDs];
145	for(Int_t i=0;i<nIDs;i++)
146	fProngID[i] = id[i];
147	return;
148	}
149
150	inline Bool_t AliAODRecoDecayLF::IsLikeSign() const
151	{
152	// check if it is like-sign
153
154	Int_t ndg=GetNDaughters();
155	if(!ndg) {
156	printf("Daughters not available\n");
157	return kFALSE;
158	}
159	Int_t chargeDg0 = ((AliAODTrack*)GetDaughter(0))->Charge();
160
161	for(Int_t i=1; i<ndg; i++) {
162	if(chargeDg0!=((AliAODTrack*)GetDaughter(i))->Charge()) return kFALSE;
163	}
164
165	return kTRUE;
166	}
167
168	inline Bool_t AliAODRecoDecayLF::DaughterHasPointOnITSLayer(Int_t dg,Int_t l) const
169	{
170	// ITS clustermap for daughters
171
172	if(l<0 \|\| l>5) {
173	printf("ERROR: layer has to be in the range 0-5\n");
174	return kFALSE;
175	}
176	AliAODTrack t = (AliAODTrack)GetDaughter(dg);
177	if(!t) return kFALSE;
178
179	return TESTBIT(t->GetITSClusterMap(),l);
180	}
181
182	inline Int_t AliAODRecoDecayLF::NumberOfFakeDaughters() const
183	{
184	// Count number of daughters with negative label
185
186	Int_t nfakes=0;
187	for(Int_t i=0; i<GetNDaughters(); i++) {
188	AliAODTrack track=(AliAODTrack)GetDaughter(i);
189
190	if(track->Charge()==0) { // this is a two prong decay
191	AliAODRecoDecay rd=(AliAODRecoDecay)GetDaughter(i);
192	for(Int_t j=0; j<rd->GetNDaughters(); j++) {
193	AliAODTrack track2=(AliAODTrack)GetDaughter(j);
194	if(track2->GetLabel()<0) nfakes++;
195	}
196	continue;
197	}
198
199	if(track->GetLabel()<0) nfakes++;
200	}
201	return nfakes;
202	}
203
204	inline void AliAODRecoDecayLF::Setd0errProngs(Int_t nprongs,Double_t *d0err)
205	{
206	if(nprongs!=GetNProngs()) {
207	printf("Wrong number of momenta, must be nProngs");
208	return;
209	}
210	if(!fd0) {
211	fd0err = new Double32_t[nprongs];
212	}
213	for(Int_t i=0;i<nprongs;i++) {
214	fd0err[i] = d0err[i];
215	}
216
217	return;
218	}
219
220	inline Bool_t AliAODRecoDecayLF::HasBadDaughters() const {
221
222	// checks if at least one of ITS+TPC daughters didn't pass the StandardCuts2010 with loose DCA (ie doesn't have the BIT(4) set)
223
224	for(Int_t iDau=0; iDau<GetNDaughters(); iDau++){
225	if (GetDaughter(iDau)==NULL) continue;
226	AliAODTrack* at=dynamic_cast<AliAODTrack*>(GetDaughter(iDau));
227	if (!at) continue;
228	if(at->Charge()==0) continue;
229	if(at->GetTPCNcls()==0) continue;
230	if(!(at->TestFilterMask(BIT(4)))) return kTRUE;
231	}
232	return kFALSE;
233	}
234
235
236	#endif
237