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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 | // | |
75d81601 | 20 | #ifndef ALIHFEPIDTRD_H |
21 | #define ALIHFEPIDTRD_H | |
809a4336 | 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; |
75d81601 | 33 | class TList; |
34 | class TH2F; | |
809a4336 | 35 | |
36 | class AliHFEpidTRD : public AliHFEpidBase{ | |
37 | public: | |
38 | typedef enum{ | |
39 | kLQ = 0, | |
40 | kNN = 1 | |
41 | } PIDMethodTRD_t; | |
dbe3abbe | 42 | enum{ |
43 | kThreshParams = 24 | |
44 | }; | |
75d81601 | 45 | enum{ |
0792aa82 | 46 | kHistTRDlikeBefore = 0, |
47 | kHistTRDlikeAfter = 1, | |
48 | kHistTRDthresholds = 2, | |
49 | kHistTRDSigV1 = 3, | |
50 | kHistTRDSigV2 = 4, | |
51 | kHistOverallSpecies = 5 | |
75d81601 | 52 | }; |
faee3b18 | 53 | AliHFEpidTRD(); |
809a4336 | 54 | AliHFEpidTRD(const Char_t *name); |
55 | AliHFEpidTRD(const AliHFEpidTRD &ref); | |
56 | AliHFEpidTRD& operator=(const AliHFEpidTRD &ref); | |
57 | virtual ~AliHFEpidTRD(); | |
58 | ||
59 | virtual Bool_t InitializePID(); | |
6555e2ad | 60 | virtual Int_t IsSelected(const AliHFEpidObject *track, AliHFEpidQAmanager *pidqa) const; |
75d81601 | 61 | |
6555e2ad | 62 | Double_t GetTRDSignalV1(const AliESDtrack *track) const; |
63 | Double_t GetTRDSignalV2(const AliESDtrack *track) const; | |
809a4336 | 64 | |
e3fc062d | 65 | Bool_t IsCalculateTRDSignals() const { return TestBit(kTRDsignals); } |
809a4336 | 66 | void SetPIDMethod(PIDMethodTRD_t method) { fPIDMethod = method; }; |
67fe7bd0 | 67 | void SetElectronEfficiency(Double_t electronEfficiency) { fElectronEfficiency = electronEfficiency; } |
e3fc062d | 68 | void SetMinP(Double_t p) { fMinP = p; } |
69 | void CalculateTRDSignals(Bool_t docalc) { SetBit(kTRDsignals, docalc); } | |
70da6c5a | 70 | |
6555e2ad | 71 | Double_t GetElectronLikelihood(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const; |
72 | Double_t GetP(const AliVParticle *track, AliHFEpidObject::AnalysisType_t anaType) const; | |
73 | Double_t GetTRDthresholds(Double_t electronEff, Double_t p) const; | |
74 | Double_t GetChargeLayer(const AliVParticle *track, UInt_t layer, AliHFEpidObject::AnalysisType_t anatype) const; | |
809a4336 | 75 | protected: |
e3fc062d | 76 | enum{ |
77 | kTRDsignals = BIT(16) | |
78 | }; | |
809a4336 | 79 | void Copy(TObject &ref) const; |
dbe3abbe | 80 | void InitParameters(); |
e3fc062d | 81 | void InitParameters1DLQ(); |
6555e2ad | 82 | void GetParameters(Double_t electronEff, Double_t *parameters) const; |
75d81601 | 83 | |
809a4336 | 84 | private: |
75d81601 | 85 | static const Double_t fgkVerySmall; // Check for 0 |
e3fc062d | 86 | Double_t fMinP; // Minimum momentum above which TRD PID is applied |
67fe7bd0 | 87 | Double_t fElectronEfficiency; // Cut on electron efficiency |
809a4336 | 88 | PIDMethodTRD_t fPIDMethod; // PID Method: 2D Likelihood or Neural Network |
dbe3abbe | 89 | Double_t fThreshParams[kThreshParams]; // Threshold parametrisation |
809a4336 | 90 | ClassDef(AliHFEpidTRD, 1) // TRD electron ID class |
91 | }; | |
92 | ||
93 | #endif |