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1ee39b3a 1#ifndef ALITRDCHECKPID_H
2#define ALITRDCHECKPID_H
3
4//////////////////////////////////////////////////////
5//
6// PID performance checker of the TRD
7//
8// Author : Alex Wilk <wilka@uni-muenster.de>
9// Alex Bercuci <A.Bercuci@gsi.de>
10// Markus Fasel <M.Fasel@gsi.de>
11//
12///////////////////////////////////////////////////////
13
14#ifndef ROOT_TAxis
15#include "TAxis.h"
16#endif
17
18#ifndef ALITRDRECOTASK_H
19#include "AliTRDrecoTask.h"
20#endif
21
2e6aa247 22#ifndef ALIPID_H
23#include "AliPID.h"
24#endif
25
1ee39b3a 26class AliTRDReconstructor;
27class AliTRDpidUtil;
28class AliTRDcheckPID : public AliTRDrecoTask
29{
30public:
31 // Plots registered for this task
32 enum{
2e6aa247 33 kEfficiency = 0 // e Efficiency plot
34 ,kdEdx = 1 // dE/dx spectra
35 ,kdEdxSlice = 2 // dE/dx spectra
36 ,kPH = 3 // pulse height spectra
37 ,kNClus = 4 // number of clusters per track
38 ,kMomentum = 5 // momentum distribution
39 ,kMomentumBin = 6 // momentum distribution
40 ,kNTracklets = 7 // Number of tracklets per track
41 ,kEfficiencyMu = 8 // mu Efficiency plot
42 ,kEfficiencyPi = 9 // pi Efficiency plot
43 ,kEfficiencyKa = 10 // K Efficiency plot
44 ,kEfficiencyPr = 11 // pr Efficiency plot
45 ,kNPlots = 12 // Number of plots for this tasks
1ee39b3a 46 };
47 AliTRDcheckPID();
f8f46e4d 48 AliTRDcheckPID(char* name);
1ee39b3a 49 virtual ~AliTRDcheckPID();
50
f8f46e4d 51 virtual void UserCreateOutputObjects();
1ee39b3a 52 virtual Bool_t GetRefFigure(Int_t ifig);
f8f46e4d 53 virtual void UserExec(Option_t *opt);
1ee39b3a 54 virtual Bool_t PostProcess();
55
56 TH1 *PlotLQ(const AliTRDtrackV1 *track = 0x0);
57 TH1 *PlotNN(const AliTRDtrackV1 *track = 0x0);
58 TH1 *PlotESD(const AliTRDtrackV1 *track = 0x0);
59 TH1 *PlotdEdx(const AliTRDtrackV1 *track = 0x0);
60 TH1 *PlotdEdxSlice(const AliTRDtrackV1 *track = 0x0);
61 TH1 *PlotPH(const AliTRDtrackV1 *track = 0x0);
62 TH1 *PlotNClus(const AliTRDtrackV1 *track = 0x0);
63 TH1 *PlotNTracklets(const AliTRDtrackV1 *track = 0x0);
64 TH1 *PlotMom(const AliTRDtrackV1 *track = 0x0);
65 TH1 *PlotMomBin(const AliTRDtrackV1 *track = 0x0);
66
67 void SetRequireMinNTracklets(Int_t mintracklets) { fMinNTracklets = mintracklets; }
68 void SetRequireMaxNTracklets(Int_t maxtracklets) { fMaxNTracklets = maxtracklets; }
69
70 TObjArray *GetGraphs() const { return fGraph; };
2e6aa247 71 static Char_t const* MethodName(Int_t id) { return fgMethod[id]; };
1ee39b3a 72 //TObjArray *GetHistos() { return fContainer; };
73 virtual TObjArray *Histos();
2e6aa247 74 void EvaluateEfficiency(TObjArray* const histoContainer, TObjArray *results, Int_t species, Float_t electronEfficiency);
1ee39b3a 75 inline void SetMomentumBinning(Int_t nBins, Double_t *bins);
76 inline Int_t FindBin(Int_t species, Double_t momentum);
77 inline Bool_t IsInRange(Double_t momentum);
78
79private:
80 AliTRDcheckPID(const AliTRDcheckPID&); // not implemented
81 AliTRDcheckPID& operator=(const AliTRDcheckPID&); // not implemented
82
83 Int_t CalcPDG(AliTRDtrackV1* track = 0x0);
84 Bool_t CheckTrackQuality(const AliTRDtrackV1* track = 0x0) const;
2c5222ab 85 void LocalInit();
86
2e6aa247 87 static Char_t const *fgMethod[3]; // PID method name
1ee39b3a 88 AliTRDReconstructor *fReconstructor; //! reconstructor needed for recalculation the PID
89 AliTRDpidUtil *fUtil; //! utility class for PID calculations
90 TObjArray *fGraph; //! array of graphs filled in PostProcess
b91fdd71 91 TObjArray *fPID; //! array of PID info/track for calibration
2e6aa247 92 TObjArray *fEfficiency[AliPID::kSPECIES]; //! array of histograms with efficiency
5723c09a 93 TAxis *fMomentumAxis; // helper mementum binning
1ee39b3a 94 Int_t fMinNTracklets; // minimum number of required Tracklets (for systematic studies)
95 Int_t fMaxNTracklets; // maximum number of required Tracklets (for systematic studies)
2e6aa247 96 ClassDef(AliTRDcheckPID, 2); // TRD PID checker
1ee39b3a 97};
98
99//________________________________________________________________________
100inline void AliTRDcheckPID::SetMomentumBinning(Int_t nBins, Double_t *bins){
101 //
102 // Set the Momentum Bins
103 //
104 if(fMomentumAxis) delete fMomentumAxis;
105 fMomentumAxis = new TAxis(nBins, bins);
106}
107
108//________________________________________________________________________
109inline Int_t AliTRDcheckPID::FindBin(Int_t species, Double_t momentum){
110 //
111 // Find the Bin in the 2D Histogram
112 //
113 return species * fMomentumAxis->GetNbins() + (fMomentumAxis->FindBin(momentum) -1);
114}
115
116//________________________________________________________________________
117inline Bool_t AliTRDcheckPID::IsInRange(Double_t momentum){
118 //
119 // Check Whether momentum is in the defined Range
120 //
121 return (momentum >= fMomentumAxis->GetXmin() && momentum <= fMomentumAxis->GetXmax());
122}
123
124#endif