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809a4336 | 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 | **************************************************************************/ | |
50685501 | 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 | // | |
c2690925 | 20 | #ifndef ALIHFEPIDTRD_H |
21 | #define ALIHFEPIDTRD_H | |
22 | ||
75d81601 | 23 | #ifndef ALIHFEPIDBASE_H |
809a4336 | 24 | #include "AliHFEpidBase.h" |
25 | #endif | |
26 | ||
722347d8 | 27 | class AliAODTrack; |
28 | class AliAODMCParticle; | |
75d81601 | 29 | class AliESDtrack; |
e3fc062d | 30 | class AliHFEcollection; |
722347d8 | 31 | class AliMCParticle; |
809a4336 | 32 | class AliVParticle; |
59a8e853 | 33 | class AliVTrack; |
75d81601 | 34 | class TList; |
35 | class TH2F; | |
809a4336 | 36 | |
37 | class AliHFEpidTRD : public AliHFEpidBase{ | |
38 | public: | |
39 | typedef enum{ | |
40 | kLQ = 0, | |
41 | kNN = 1 | |
42 | } PIDMethodTRD_t; | |
dbe3abbe | 43 | enum{ |
44 | kThreshParams = 24 | |
45 | }; | |
75d81601 | 46 | enum{ |
0792aa82 | 47 | kHistTRDlikeBefore = 0, |
48 | kHistTRDlikeAfter = 1, | |
49 | kHistTRDthresholds = 2, | |
50 | kHistTRDSigV1 = 3, | |
51 | kHistTRDSigV2 = 4, | |
52 | kHistOverallSpecies = 5 | |
75d81601 | 53 | }; |
faee3b18 | 54 | AliHFEpidTRD(); |
809a4336 | 55 | AliHFEpidTRD(const Char_t *name); |
56 | AliHFEpidTRD(const AliHFEpidTRD &ref); | |
57 | AliHFEpidTRD& operator=(const AliHFEpidTRD &ref); | |
58 | virtual ~AliHFEpidTRD(); | |
bf892a6a | 59 | |
809a4336 | 60 | virtual Bool_t InitializePID(); |
6555e2ad | 61 | virtual Int_t IsSelected(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const; |
75d81601 | 62 | |
bf892a6a | 63 | Double_t GetTRDSignalV1(const AliESDtrack *track, Float_t truncation = 0.7) const; |
64 | Double_t GetTRDSignalV2(const AliESDtrack *track, Float_t trucation = 0.7) const; | |
809a4336 | 65 | |
e3fc062d | 66 | Bool_t IsCalculateTRDSignals() const { return TestBit(kTRDsignals); } |
c2690925 | 67 | Bool_t IsRenormalizeElPi() const { return TestBit(kTRDrenormalize); } |
809a4336 | 68 | void SetPIDMethod(PIDMethodTRD_t method) { fPIDMethod = method; }; |
e156c3bb | 69 | void SetTotalChargeInSlice0() { fTotalChargeInSlice0 = kTRUE; } |
c2690925 | 70 | void SetRenormalizeElPi(Bool_t doRenorm = kTRUE) { if(doRenorm) SetBit(kTRDrenormalize, kTRUE); else SetBit(kTRDrenormalize, kFALSE);} |
67fe7bd0 | 71 | void SetElectronEfficiency(Double_t electronEfficiency) { fElectronEfficiency = electronEfficiency; } |
bf892a6a | 72 | void SetThresholdParameters(Double_t electronEff, Double_t *params); |
e3fc062d | 73 | void SetMinP(Double_t p) { fMinP = p; } |
74 | void CalculateTRDSignals(Bool_t docalc) { SetBit(kTRDsignals, docalc); } | |
70da6c5a | 75 | |
6555e2ad | 76 | Double_t GetElectronLikelihood(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const; |
59a8e853 | 77 | void GetTRDmomenta(const AliVTrack *track,Double_t *mom) const; |
6555e2ad | 78 | Double_t GetP(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const; |
79 | Double_t GetTRDthresholds(Double_t electronEff, Double_t p) const; | |
80 | Double_t GetChargeLayer(const AliVParticle *track, UInt_t layer, AliHFEpidObject::AnalysisType_t anatype) const; | |
809a4336 | 81 | protected: |
e3fc062d | 82 | enum{ |
bf892a6a | 83 | kTRDsignals = BIT(16), |
c2690925 | 84 | kTRDdefaultThresholds = BIT(17), |
85 | kTRDrenormalize = BIT(18) | |
e3fc062d | 86 | }; |
809a4336 | 87 | void Copy(TObject &ref) const; |
dbe3abbe | 88 | void InitParameters(); |
e3fc062d | 89 | void InitParameters1DLQ(); |
6555e2ad | 90 | void GetParameters(Double_t electronEff, Double_t *parameters) const; |
bf892a6a | 91 | void SetUseDefaultParameters(Bool_t useDefault = kTRUE) { SetBit(kTRDdefaultThresholds, useDefault); } |
92 | Bool_t UseDefaultParameters() const { return TestBit(kTRDdefaultThresholds); } | |
c2690925 | 93 | void RenormalizeElPi(const Double_t * const likein, Double_t * const likeout) const; |
75d81601 | 94 | |
809a4336 | 95 | private: |
c2690925 | 96 | static const Double_t fgkVerySmall = 1e-12; // Check for 0 |
e3fc062d | 97 | Double_t fMinP; // Minimum momentum above which TRD PID is applied |
67fe7bd0 | 98 | Double_t fElectronEfficiency; // Cut on electron efficiency |
809a4336 | 99 | PIDMethodTRD_t fPIDMethod; // PID Method: 2D Likelihood or Neural Network |
dbe3abbe | 100 | Double_t fThreshParams[kThreshParams]; // Threshold parametrisation |
e156c3bb | 101 | Bool_t fTotalChargeInSlice0; // Flag for foreward/backward compatibility for the TRD total charge |
809a4336 | 102 | ClassDef(AliHFEpidTRD, 1) // TRD electron ID class |
103 | }; | |
809a4336 | 104 | #endif |
c2690925 | 105 |