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c04c80e6 | 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 | // QA class for TRD PID | |
17 | // Evaluate TRD PID using well identified reference tracks | |
18 | // For more information see implementation file | |
19 | // | |
20 | #ifndef ALIHFETRDPIDQA_H | |
21 | #define ALIHFETRDPIDQA_H | |
22 | ||
23 | #ifndef ROOT_TNamed | |
24 | #include <TNamed.h> | |
25 | #endif | |
26 | ||
27 | #ifndef ROOT_THnSparse | |
28 | #include <THnSparse.h> | |
29 | #endif | |
30 | ||
bf892a6a | 31 | #ifndef ROOT_TH2 |
32 | #include <TH2.h> | |
33 | #endif | |
34 | ||
35 | #ifndef ALIHFECOLLECTION_H | |
36 | #include "AliHFEcollection.h" | |
37 | #endif | |
38 | ||
39 | class TBrowser; | |
c04c80e6 | 40 | class TCollection; |
41 | class TF1; | |
42 | class TGraph; | |
43 | class TH1; | |
bf892a6a | 44 | //class TH2; |
c04c80e6 | 45 | class TList; |
46 | class TObjArray; | |
47 | ||
48 | class AliAODTrack; | |
49 | class AliESDtrack; | |
50 | class AliVTrack; | |
51 | class AliHFEpidTRD; | |
52 | ||
53 | class AliHFEtrdPIDqa : public TNamed{ | |
54 | public: | |
55 | AliHFEtrdPIDqa(); | |
56 | AliHFEtrdPIDqa(const Char_t *name); | |
57 | AliHFEtrdPIDqa(const AliHFEtrdPIDqa &ref); | |
58 | AliHFEtrdPIDqa &operator=(const AliHFEtrdPIDqa &ref); | |
59 | virtual void Copy(TObject &o) const; | |
60 | virtual Long64_t Merge(TCollection *coll); | |
61 | virtual ~AliHFEtrdPIDqa(); | |
bf892a6a | 62 | |
63 | virtual void Browse(TBrowser *b); | |
64 | virtual Bool_t IsFolder() const { return kTRUE; } | |
c04c80e6 | 65 | |
66 | void ProcessTracks(TObjArray * const l, Int_t species); | |
67 | void ProcessTrack(AliVTrack *track, Int_t species); | |
68 | ||
69 | void Init(); | |
70 | void FinishAnalysis(); | |
e3ae862b | 71 | void ShowMessages() { fShowMessage = kTRUE; } |
c04c80e6 | 72 | void StoreResults(const Char_t *filename = "HFEtrdPIDqa.root"); |
73 | void SaveThresholdParameters(const Char_t * filename = "TRD.Thresholds.root"); | |
74 | ||
e3ae862b | 75 | void DrawTracklet(Int_t tracklet, Double_t pmin = 0., Double_t pmax = 0., Bool_t doFit = kFALSE); |
c04c80e6 | 76 | void ClearLists(); |
77 | ||
e3ae862b | 78 | Double_t EvalPionEfficiency(Int_t ntls, Int_t eEff, Double_t p); |
79 | Double_t EvalProtonEfficiency(Int_t ntls, Int_t eEff, Double_t p); | |
80 | Double_t EvalThreshold(Int_t ntls, Int_t eEff, Double_t p); | |
81 | ||
c04c80e6 | 82 | //--------------------------------------------------- |
83 | // Getters for Histograms | |
bf892a6a | 84 | THnSparseF *GetLikelihoodHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fLikeTRD")) : NULL; } |
85 | THnSparseF *GetQAHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fQAtrack")) : NULL; } | |
86 | THnSparseF *GetdEdxHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fQAdEdx")) : NULL; } | |
87 | THnSparseF *GetHistoTruncMean() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fTRDtruncMean")) : NULL; } | |
88 | TH2 *GetSliceChargePions(Bool_t pions = kTRUE) const { | |
89 | const Char_t * species = pions ? "Pions" : "Electrons"; | |
90 | return fHistos ? dynamic_cast<TH2 *>(fHistos->Get(Form("fTRDslices%s", species))) : NULL; | |
91 | } | |
92 | AliHFEcollection *GetHistos() const { return fHistos; } | |
c04c80e6 | 93 | //--------------------------------------------------- |
94 | protected: | |
95 | // Description of the containers we use to store basic information | |
96 | // we access in the Post Processing. For all containers we have a | |
97 | // common part containing species, momentum and number of tracklets, | |
98 | // and a specific part. For both containers we define the number of | |
99 | // variables too | |
100 | enum QuantitiesCommon_t{ | |
101 | kSpecies = 0, | |
102 | kP = 1, | |
103 | kNTracklets = 2, | |
104 | kQuantitiesCommon = 3 | |
105 | }; | |
106 | enum QuantitiesLike_t{ | |
107 | kElectronLike = 3, | |
108 | kQuantitiesLike = 4 | |
109 | }; | |
110 | enum QuantitiesQAtrack_t{ | |
111 | kNonZeroTrackletCharge = 3, | |
112 | kNClusters = 4, | |
113 | kQuantitiesQA = 5 | |
114 | }; | |
115 | enum QuantitiesdEdx_t{ | |
3a72645a | 116 | kNclusters = 3, |
117 | kNonZeroSlices = 4, | |
118 | kdEdx = 5, | |
119 | kQuantitiesdEdx = 6 | |
c04c80e6 | 120 | }; |
121 | enum QuantitiesTruncMean_t{ | |
122 | kTPCdEdx = 3, | |
123 | kTRDdEdxMethod1 = 4, | |
124 | kTRDdEdxMethod2 = 5, | |
125 | kQuantitiesTruncMean = 6 | |
126 | }; | |
127 | ||
128 | void ProcessTrackESD(AliESDtrack *track, Int_t species); | |
129 | void ProcessTrackAOD(AliAODTrack * const track, Int_t species); | |
130 | ||
131 | void FillTRDLikelihoods(AliESDtrack *track, Int_t species); | |
132 | void FillTRDQAplots(AliESDtrack *track, Int_t species); | |
133 | ||
134 | void AnalyseNTracklets(Int_t nTracklets); | |
135 | Int_t GetThresholdBin(TH1 * const input, Double_t efficiency); | |
136 | Bool_t CalculateEfficiency(TH1 * const input, Int_t threshbin, Double_t *params); | |
137 | TF1 *MakeThresholds(TGraph *input); | |
138 | ||
139 | void CreateLikelihoodHistogram(); | |
140 | void CreateQAHistogram(); | |
141 | void CreatedEdxHistogram(); | |
142 | void CreateHistoTruncatedMean(); | |
143 | ||
144 | private: | |
145 | enum{ | |
146 | kNElectronEffs = 6 | |
147 | }; | |
148 | static const Double_t fgkElectronEff[kNElectronEffs]; // Electron efficiency bins | |
149 | static const Int_t fgkNBinsCommon[kQuantitiesCommon]; // Number of bins for common quantities | |
150 | static const Double_t fgkMinBinCommon[kQuantitiesCommon]; // Bin Limits for common quantities (lower limit) | |
151 | static const Double_t fgkMaxBinCommon[kQuantitiesCommon]; // Bin Limits for common quantities (upper limit) | |
152 | AliHFEpidTRD *fTRDpid; // HFE PID for TRD | |
bf892a6a | 153 | AliHFEcollection *fHistos; // Histogram collection |
c04c80e6 | 154 | |
155 | // List for Histograms: | |
156 | TList *fPionEfficiencies; //! List for Pion efficiencies | |
157 | TList *fProtonEfficiencies; //! List for Proton efficiencies | |
158 | TList *fKaonEfficiencies; //! List for Kaon efficiencies | |
159 | ||
160 | TList *fThresholds; //! List for Threshold Graphs | |
e3ae862b | 161 | |
162 | Bool_t fShowMessage; // Display debug messages | |
c04c80e6 | 163 | |
bf892a6a | 164 | ClassDef(AliHFEtrdPIDqa, 3) // QA class for TRD PID |
c04c80e6 | 165 | }; |
166 | #endif | |
167 |