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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 | // TRD PID Class | |
17 | // Does PID either on a x% electron efficiency basis or on dE/dx | |
18 | // For more information please check the implementation file | |
19 | // | |
20 | #ifndef ALIHFEPIDTRD_H | |
21 | #define ALIHFEPIDTRD_H | |
22 | ||
23 | #ifndef ALIHFEPIDBASE_H | |
24 | #include "AliHFEpidBase.h" | |
25 | #endif | |
26 | ||
27 | class AliAODTrack; | |
28 | class AliAODMCParticle; | |
29 | class AliESDtrack; | |
30 | class AliHFEcollection; | |
31 | class AliMCParticle; | |
32 | class AliOADBContainer; | |
33 | class AliVParticle; | |
34 | class AliVTrack; | |
35 | class TList; | |
36 | class TH2F; | |
37 | ||
38 | class AliHFEpidTRD : public AliHFEpidBase{ | |
39 | public: | |
40 | typedef enum{ | |
41 | kLQ = 0, | |
42 | kNN = 1 | |
43 | } PIDMethodTRD_t; | |
44 | enum{ | |
45 | kThreshParams = 4 | |
46 | }; | |
47 | enum{ | |
48 | kHistTRDlikeBefore = 0, | |
49 | kHistTRDlikeAfter = 1, | |
50 | kHistTRDthresholds = 2, | |
51 | kHistTRDSigV1 = 3, | |
52 | kHistTRDSigV2 = 4, | |
53 | kHistOverallSpecies = 5 | |
54 | }; | |
55 | AliHFEpidTRD(); | |
56 | AliHFEpidTRD(const Char_t *name); | |
57 | AliHFEpidTRD(const AliHFEpidTRD &ref); | |
58 | AliHFEpidTRD& operator=(const AliHFEpidTRD &ref); | |
59 | virtual ~AliHFEpidTRD(); | |
60 | ||
61 | virtual Bool_t InitializePID(Int_t run); | |
62 | virtual Bool_t Initialize1D(Int_t run); | |
63 | //virtual Bool_t Initialize2D(Int_t run); | |
64 | virtual Int_t IsSelected(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const; | |
65 | virtual Int_t IsSelected1D(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const; | |
66 | virtual Int_t IsSelected2D(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const; | |
67 | ||
68 | Double_t GetTRDSignalV1(const AliESDtrack *track, Float_t truncation = 0.7) const; | |
69 | Double_t GetTRDSignalV2(const AliESDtrack *track, Float_t trucation = 0.7) const; | |
70 | ||
71 | Bool_t IsCalculateTRDSignals() const { return TestBit(kTRDsignals); } | |
72 | Bool_t IsRenormalizeElPi() const { return TestBit(kTRDrenormalize); } | |
73 | void SelectCutOnTheFly(Bool_t onFly = kTRUE) { if(onFly) SetBit(kSelectCutOnTheFly, kTRUE); else SetBit(kSelectCutOnTheFly, kFALSE);} | |
74 | void SetOADBThresholds(AliOADBContainer *cont) { fOADBThresholds = cont; } | |
75 | void SetTotalChargeInSlice0() { fTotalChargeInSlice0 = kTRUE; } | |
76 | void SetTRD2DPID() { fTRD2DPID = kTRUE; } | |
77 | void SetRenormalizeElPi(Bool_t doRenorm = kTRUE) { if(doRenorm) SetBit(kTRDrenormalize, kTRUE); else SetBit(kTRDrenormalize, kFALSE);} | |
78 | void SetElectronEfficiency(Double_t electronEfficiency) { fElectronEfficiency = electronEfficiency; } | |
79 | void SetNTracklets(Int_t nTracklets) { fNTracklets = nTracklets; } | |
80 | void SetCutNTracklets(Int_t nTracklets, Bool_t exact = kTRUE) { | |
81 | fCutNTracklets = nTracklets; | |
82 | if(exact) SetBit(kExactTrackletCut, kTRUE); | |
83 | else SetBit(kExactTrackletCut, kFALSE); | |
84 | } | |
85 | void SetMinP(Double_t p) { fMinP = p; } | |
86 | void CalculateTRDSignals(Bool_t docalc) { SetBit(kTRDsignals, docalc); } | |
87 | ||
88 | Double_t GetElectronLikelihood(const AliVTrack *track, AliHFEpidObject::AnalysisType_t anaType) const; | |
89 | Int_t GetNTracklets() const { return fNTracklets; } | |
90 | void GetTRDmomenta(const AliVTrack *track, Double_t *mom) const; | |
91 | Double_t GetP(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const; | |
92 | Double_t GetTRDthresholds(Double_t p) const; | |
93 | Double_t GetTRDthresholds(Double_t p, UInt_t nTracklets) const; | |
94 | Double_t GetChargeLayer(const AliVParticle *track, UInt_t layer, AliHFEpidObject::AnalysisType_t anatype) const; | |
95 | protected: | |
96 | enum{ | |
97 | kTRDsignals = BIT(16), | |
98 | kThresholdsInitialized = BIT(17), | |
99 | kTRDrenormalize = BIT(18), | |
100 | kSelectCutOnTheFly = BIT(19), | |
101 | kExactTrackletCut = BIT(20) | |
102 | }; | |
103 | void Copy(TObject &ref) const; | |
104 | Bool_t InitParamsFromOADB(Int_t run); | |
105 | void RenormalizeElPi(const Double_t * const likein, Double_t * const likeout) const; | |
106 | ||
107 | private: | |
108 | AliOADBContainer *fOADBThresholds; // OADBContainer with thresholds | |
109 | Double_t fMinP; // Minimum momentum above which TRD PID is applied | |
110 | Int_t fNTracklets; // Select cut for the number of tracklets | |
111 | Int_t fCutNTracklets; // Cut track based on the number of tracklets | |
112 | Int_t fRunNumber; // Run number | |
113 | Double_t fElectronEfficiency; // Cut on electron efficiency | |
114 | Double_t fThreshParams[kThreshParams]; // Threshold parametrisation | |
115 | Bool_t fTotalChargeInSlice0; // Flag for foreward/backward compatibility for the TRD total charge | |
116 | Bool_t fTRD2DPID; // Flag for 2D PID | |
117 | ClassDef(AliHFEpidTRD, 1) // TRD electron ID class | |
118 | }; | |
119 | #endif | |
120 |