Major update of the HFE package (comments inside the code
[u/mrichter/AliRoot.git] / PWG3 / hfe / AliHFEV0pid.h
CommitLineData
70da6c5a 1/**************************************************************************
2* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3* *
4* Author: The ALICE Off-line Project. *
5* Contributors are mentioned in the code where appropriate. *
6* *
7* Permission to use, copy, modify and distribute this software and its *
8* documentation strictly for non-commercial purposes is hereby granted *
9* without fee, provided that the above copyright notice appears in all *
10* copies and that both the copyright notice and this permission notice *
11* appear in the supporting documentation. The authors make no claims *
12* about the suitability of this software for any purpose. It is *
13* provided "as is" without express or implied warranty. *
14**************************************************************************/
15//
16// Utility class for V0 PID
17// Provides smaples of electrons, pions and protons
18// More information can be found in the implementation file
19//
20#ifndef ALIHFEV0PID_H
21#define ALIHFEV0PID_H
22
23#ifndef ROOT_TObject
24#include <TObject.h>
25#endif
26
70da6c5a 27class TObjArray;
28class TList;
faee3b18 29class TString;
70da6c5a 30
31class AliESDv0;
32class AliESDtrack;
33class AliKFParticle;
34class AliKFVertex;
35class AliVEvent;
36class AliVTrack;
3a72645a 37class AliMCEvent;
70da6c5a 38
faee3b18 39class AliHFEV0cuts;
40class AliHFEcollection;
41
70da6c5a 42class AliHFEV0pid : public TObject{
43 public:
70da6c5a 44 AliHFEV0pid();
45 ~AliHFEV0pid();
46
faee3b18 47 void Process(AliVEvent * const inputEvent);
70da6c5a 48 Int_t ProcessV0(TObject *v0);
faee3b18 49 void Flush();
70da6c5a 50
faee3b18 51 void InitQA();
52 TList *GetListOfQAhistograms();
70da6c5a 53
54 TObjArray *GetListOfElectrons() const { return fElectrons; }
55 TObjArray *GetListOfPionsK0() const { return fPionsK0; }
56 TObjArray *GetListOfPionsL() const { return fPionsL; }
57 TObjArray *GetListOfKaons() const { return fKaons; }
58 TObjArray *GetListOfProtons() const { return fProtons; }
59
faee3b18 60 Bool_t IsAODanalysis() const { return TestBit(kAODanalysis); }
61 Bool_t IsESDanalysis() const { return !TestBit(kAODanalysis); }
62 void SetAODanalysis(Bool_t isAOD = kTRUE) { SetBit(kAODanalysis, isAOD); };
63 void SetESDanalysis(Bool_t isESD = kTRUE) { SetBit(kAODanalysis, !isESD); };
70da6c5a 64
3a72645a 65 void SetMCEvent(AliMCEvent* const ev) { fMCEvent = ev; };
66
faee3b18 67 protected:
70da6c5a 68 enum{
69 kAODanalysis = BIT(14)
faee3b18 70 };
3a72645a 71
72 Int_t PreselectV0(AliESDv0 * const v0, Int_t idMC);
73
74 void ArmenterosPlotMC(AliESDv0 * const v0, Int_t idMC);
70da6c5a 75 Bool_t IsGammaConv(TObject *v0);
76 Bool_t IsK0s(TObject *v0);
77 Bool_t IsPhi(TObject *v0);
faee3b18 78 Bool_t IsLambda(TObject *v0);
79 TList *GetV0pidQA();
70da6c5a 80
3a72645a 81 Int_t IdentifyV0(TObject *v0, Int_t d[2]);
82
faee3b18 83 private:
70da6c5a 84 class AliHFEV0pidTrackIndex{
faee3b18 85 public:
86 AliHFEV0pidTrackIndex();
87 ~AliHFEV0pidTrackIndex();
88 void Init(Int_t capacity);
89 void Add(Int_t index, Int_t species);
90 Bool_t Find(Int_t index) const;
91 Bool_t Find(Int_t index, Int_t species) const;
92 Int_t GetNumberOfElectrons() const { return fNElectrons; };
93 Int_t GetNumberOfPionsK0() const { return fNPionsK0; };
94 Int_t GetNumberOfPionsL() const { return fNPionsL; };
95 Int_t GetNumberOfKaons() const { return fNKaons; };
96 Int_t GetNumberOfProtons() const { return fNProtons; };
97 void Flush();
98
99 private:
100 AliHFEV0pidTrackIndex(const AliHFEV0pidTrackIndex &ref);
101 AliHFEV0pidTrackIndex &operator=(const AliHFEV0pidTrackIndex &ref);
102 Int_t fNElectrons; // Number of identified electrons
103 Int_t fNPionsK0; // Number of identified pions from K0s
104 Int_t fNPionsL; // Lumber of identified pions from Lambda
105 Int_t fNKaons; // Number of identified kaons
106 Int_t fNProtons; // Number of identified protons
107 Int_t *fIndexElectron; // Indices of identified electrons
108 Int_t *fIndexPionK0; // Indices of identified pions from K0s
109 Int_t *fIndexPionL; // Indices of identified pions from Lambda
110 Int_t *fIndexKaon; // Indices of identified kaons
111 Int_t *fIndexProton; // Indices of identified protons
70da6c5a 112 };
70da6c5a 113 AliHFEV0pid(const AliHFEV0pid &ref);
114 AliHFEV0pid&operator=(const AliHFEV0pid &ref);
faee3b18 115
70da6c5a 116 AliVEvent *fInputEvent; // Input Event
3a72645a 117 Int_t fNtracks; // number of tracks in current event
118 AliMCEvent *fMCEvent; // MC evnet
119 Bool_t fMCon; // availability of MC information
70da6c5a 120 AliKFVertex *fPrimaryVertex; // Primary Vertex
121 TObjArray *fElectrons; // List of Electron tracks coming from Conversions
122 TObjArray *fPionsK0; // List of Pion tracks coming from K0
123 TObjArray *fPionsL; // List of Pion tracks coming from L
124 TObjArray *fKaons; // List of Kaon tracks from Phi decay
125 TObjArray *fProtons; // List of Proton Tracks coming from Lambdas
faee3b18 126
127 TObjArray *fGammas; // for MC purposes - list of found gammas
128 TObjArray *fK0s; // for MC purposes - list of found K0s
129 TObjArray *fLambdas; // for MC purposes - list of found lambdas
130 TObjArray *fAntiLambdas; // for MC purposes - list of found anti lambdas
131
70da6c5a 132 AliHFEV0pidTrackIndex *fIndices; // Container for Track indices
133 AliHFEcollection *fQA; // Collection of QA histograms
faee3b18 134 AliHFEV0cuts *fV0cuts; // separate class for studying and applying the V0 cuts
135 TList *fOutput; // collection list
70da6c5a 136
137 ClassDef(AliHFEV0pid, 1) // V0 PID Class
138
139};
140
70da6c5a 141#endif