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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 | // 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 | ||
31 | #ifndef ROOT_TH2 | |
32 | #include <TH2.h> | |
33 | #endif | |
34 | ||
35 | #ifndef ALIHFECOLLECTION_H | |
36 | #include "AliHFEcollection.h" | |
37 | #endif | |
38 | ||
39 | class TArrayD; | |
40 | class TBrowser; | |
41 | class TCollection; | |
42 | class TF1; | |
43 | class TGraph; | |
44 | class TGraphErrors; | |
45 | class TH1; | |
46 | //class TH2; | |
47 | class TList; | |
48 | class TObjArray; | |
49 | ||
50 | class AliAODTrack; | |
51 | class AliESDtrack; | |
52 | class AliVTrack; | |
53 | class AliHFEpidTRD; | |
54 | ||
55 | class AliHFEtrdPIDqa : public TNamed{ | |
56 | public: | |
57 | AliHFEtrdPIDqa(); | |
58 | AliHFEtrdPIDqa(const Char_t *name); | |
59 | AliHFEtrdPIDqa(const AliHFEtrdPIDqa &ref); | |
60 | AliHFEtrdPIDqa &operator=(const AliHFEtrdPIDqa &ref); | |
61 | virtual void Copy(TObject &o) const; | |
62 | virtual Long64_t Merge(TCollection *coll); | |
63 | virtual ~AliHFEtrdPIDqa(); | |
64 | ||
65 | virtual void Browse(TBrowser *b); | |
66 | virtual Bool_t IsFolder() const { return kTRUE; } | |
67 | ||
68 | void ProcessTracks(const TObjArray * const l, Int_t species); | |
69 | void ProcessTrack(const AliVTrack *const track, Int_t species); | |
70 | ||
71 | void Init(); | |
72 | void FinishAnalysis(Int_t fCentrality = -1, Bool_t isGreaterEqual = kFALSE); | |
73 | void ShowMessages() { fShowMessage = kTRUE; } | |
74 | void SetTotalChargeInSlice0() { fTotalChargeInSlice0 = kTRUE; } | |
75 | void SetCentralityBin(Int_t centrality) { fCentralityBin = centrality; }; | |
76 | void StoreResults(const Char_t *filename = "HFEtrdPIDqa.root"); | |
77 | void SaveThresholdParameters(const Char_t * filename = "TRD.Thresholds.root", Double_t lowerLimit = 0.5, Double_t upperLimit = 3.5, Int_t fCentrality = -1); | |
78 | ||
79 | TGraphErrors *GetPionEfficiency(Int_t ntracklets, Int_t eleffpercent, Int_t centrality = -1); | |
80 | TGraphErrors *GetProtonEfficiency(Int_t ntracklets, Int_t eleffpercent, Int_t centrality = -1); | |
81 | TGraph *GetThreshold(Int_t ntracklets, Int_t eleffpercent, Int_t centrality = -1); | |
82 | ||
83 | void DrawTracklet(Int_t tracklet, Double_t pmin = -1., Double_t pmax = -1., Int_t centrality = -1, Bool_t doFit = kFALSE); | |
84 | //void DrawTrackletsame(Int_t tracklet, Double_t pmin = -1., Double_t pmax = -1., Bool_t doFit = kFALSE); | |
85 | void ClearLists(); | |
86 | ||
87 | Double_t EvalPionEfficiency(Int_t ntls, Int_t eEff, Double_t p, Int_t centrality = -1); | |
88 | Double_t EvalProtonEfficiency(Int_t ntls, Int_t eEff, Double_t p, Int_t centrality = -1); | |
89 | Double_t EvalThreshold(Int_t ntls, Int_t eEff, Double_t p, Int_t centrality = -1); | |
90 | ||
91 | Double_t CalculateIntegratedPionEfficiency(UInt_t nTracklets, Double_t electronEff, Double_t pmin, Double_t pmax, Int_t icentrality =-1, Double_t *error = NULL); | |
92 | ||
93 | ||
94 | ||
95 | //--------------------------------------------------- | |
96 | // Getters for Histograms | |
97 | THnSparseF *GetLikelihoodHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fLikeTRD")) : NULL; } | |
98 | THnSparseF *GetQAHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fQAtrack")) : NULL; } | |
99 | THnSparseF *GetdEdxHistogram() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fQAdEdx")) : NULL; } | |
100 | THnSparseF *GetHistoTruncMean() const { return fHistos ? dynamic_cast<THnSparseF *>(fHistos->Get("fTRDtruncMean")) : NULL; } | |
101 | TH2 *GetSliceChargePions(Bool_t pions = kTRUE) const { | |
102 | const Char_t * species = pions ? "Pions" : "Electrons"; | |
103 | return fHistos ? dynamic_cast<TH2 *>(fHistos->Get(Form("fTRDslices%s", species))) : NULL; | |
104 | } | |
105 | AliHFEcollection *GetHistos() const { return fHistos; } | |
106 | //--------------------------------------------------- | |
107 | protected: | |
108 | // Description of the containers we use to store basic information | |
109 | // we access in the Post Processing. For all containers we have a | |
110 | // common part containing species, momentum and number of tracklets, | |
111 | // and a specific part. For both containers we define the number of | |
112 | // variables too | |
113 | enum QuantitiesCommon_t{ | |
114 | kSpecies = 0, | |
115 | kP = 1, | |
116 | kNTracklets = 2, | |
117 | kQuantitiesCommon = 3 | |
118 | }; | |
119 | enum QuantitiesLike_t{ | |
120 | kElectronLike = 3, | |
121 | kNClustersLike = 4, | |
122 | kCentralityBinLike = 5, | |
123 | kQuantitiesLike = 6 | |
124 | }; | |
125 | enum QuantitiesQAtrack_t{ | |
126 | kNonZeroTrackletCharge = 3, | |
127 | kNClusters = 4, | |
128 | kCentralityBinQA = 5, | |
129 | kQuantitiesQA = 6 | |
130 | }; | |
131 | enum QuantitiesdEdx_t{ | |
132 | kNclusters = 3, | |
133 | kNonZeroSlices = 4, | |
134 | kdEdx = 5, | |
135 | kCentralityBindEdx = 6, | |
136 | kQuantitiesdEdx = 7 | |
137 | }; | |
138 | enum QuantitiesTruncMean_t{ | |
139 | kTPCdEdx = 3, | |
140 | kTRDdEdxMethod1 = 4, | |
141 | kTRDdEdxMethod2 = 5, | |
142 | kCentralityBinTruncMean = 6, | |
143 | kQuantitiesTruncMean = 7 | |
144 | }; | |
145 | ||
146 | void ProcessTrackESD(const AliESDtrack * const track, Int_t species); | |
147 | void ProcessTrackAOD(const AliAODTrack * const track, Int_t species); | |
148 | ||
149 | void FillTRDLikelihoods(const AliESDtrack * const track, Int_t species); | |
150 | void FillTRDQAplots(const AliESDtrack *const track, Int_t species); | |
151 | ||
152 | void AnalyseNTracklets(Int_t nTracklets, Int_t fCentrality = -1, Bool_t isGreaterEqual = kFALSE); | |
153 | Double_t CalculateHadronEfficiency(const TH1 * const hadron, const TH1 *const electron, Double_t eff, Int_t &threshbin, Double_t &error); | |
154 | Double_t EstimateThresholdError(const TH1 * const electron, Int_t threshbin); | |
155 | TF1 *MakeThresholds(TGraph *input, Double_t lowerLimit, Double_t upperLimit); | |
156 | ||
157 | void CreateLikelihoodHistogram(); | |
158 | void CreateQAHistogram(); | |
159 | void CreatedEdxHistogram(); | |
160 | void CreateHistoTruncatedMean(); | |
161 | ||
162 | private: | |
163 | enum{ | |
164 | kNElectronEffs = 6 | |
165 | }; | |
166 | static const Double_t fgkElectronEff[kNElectronEffs]; // Electron efficiency bins | |
167 | static const Int_t fgkNBinsCommon[kQuantitiesCommon]; // Number of bins for common quantities | |
168 | static const Double_t fgkMinBinCommon[kQuantitiesCommon]; // Bin Limits for common quantities (lower limit) | |
169 | static const Double_t fgkMaxBinCommon[kQuantitiesCommon]; // Bin Limits for common quantities (upper limit) | |
170 | AliHFEpidTRD *fTRDpid; // HFE PID for TRD | |
171 | AliHFEcollection *fHistos; // Histogram collection | |
172 | ||
173 | // List for Histograms: | |
174 | TList *fPionEfficiencies; //! List for Pion efficiencies | |
175 | TList *fProtonEfficiencies; //! List for Proton efficiencies | |
176 | TList *fKaonEfficiencies; //! List for Kaon efficiencies | |
177 | ||
178 | TList *fThresholds; //! List for Threshold Graphs | |
179 | ||
180 | Bool_t fShowMessage; // Display debug messages | |
181 | Bool_t fTotalChargeInSlice0; // Flag for Foreward/Backward compatibility in TRD total charge calculation | |
182 | ||
183 | Int_t fCentralityBin; // Centrality Bin | |
184 | ||
185 | ClassDef(AliHFEtrdPIDqa, 3) // QA class for TRD PID | |
186 | }; | |
187 | #endif | |
188 |