1 #ifndef ALITRDCHECKPID_H
2 #define ALITRDCHECKPID_H
4 //////////////////////////////////////////////////////
6 // Task to check PID performance of the TRD
8 // Author : Alex Wilk <wilka@uni-muenster.de>
9 // Alex Bercuci <A.Bercuci@gsi.de>
10 // Markus Fasel <M.Fasel@gsi.de>
12 ///////////////////////////////////////////////////////
18 #ifndef ALITRDRECOTASK_H
19 #include "AliTRDrecoTask.h"
22 class AliTRDReconstructor;
24 class AliTRDcheckPID : public AliTRDrecoTask
26 // Plots registered for this task
28 kEfficiency = 0 // pi Efficiency plot
29 ,kdEdx = 1 // dE/dx spectra
30 ,kdEdxSlice = 2 // dE/dx spectra
31 ,kPH = 3 // pulse height spectra
32 ,kNClus = 4 // number of clusters per track
33 ,kMomentum = 5 // momentum distribution
34 ,kMomentumBin = 6 // momentum distribution
35 ,kNTracklets = 7 // Number of tracklets per track
36 ,kNPlots = 8 // Number of plots for this tasks
40 virtual ~AliTRDcheckPID();
42 virtual void CreateOutputObjects();
43 virtual Bool_t GetRefFigure(Int_t ifig);
44 virtual Bool_t PostProcess();
45 virtual void Terminate(Option_t *);
47 TH1 *PlotLQ(const AliTRDtrackV1 *track = 0x0);
48 TH1 *PlotNN(const AliTRDtrackV1 *track = 0x0);
49 TH1 *PlotESD(const AliTRDtrackV1 *track = 0x0);
50 TH1 *PlotdEdx(const AliTRDtrackV1 *track = 0x0);
51 TH1 *PlotdEdxSlice(const AliTRDtrackV1 *track = 0x0);
52 TH1 *PlotPH(const AliTRDtrackV1 *track = 0x0);
53 TH1 *PlotNClus(const AliTRDtrackV1 *track = 0x0);
54 TH1 *PlotNTracklets(const AliTRDtrackV1 *track = 0x0);
55 TH1 *PlotMom(const AliTRDtrackV1 *track = 0x0);
56 TH1 *PlotMomBin(const AliTRDtrackV1 *track = 0x0);
58 void SetRequireMinNTracklets(Int_t mintracklets) { fMinNTracklets = mintracklets; }
59 void SetRequireMaxNTracklets(Int_t maxtracklets) { fMaxNTracklets = maxtracklets; }
61 TObjArray *GetGraphs() { return fGraph; };
62 //TObjArray *GetHistos() { return fContainer; };
63 virtual TObjArray *Histos();
64 void EvaluatePionEfficiency(TObjArray *histoContainer, TObjArray *results, Float_t electron_efficiency);
65 inline void SetMomentumBinning(Int_t nBins, Double_t *bins);
66 inline Int_t FindBin(Int_t species, Double_t momentum);
67 inline Bool_t IsInRange(Double_t momentum);
70 AliTRDcheckPID(const AliTRDcheckPID&); // not implemented
71 AliTRDcheckPID& operator=(const AliTRDcheckPID&); // not implemented
73 Int_t CalcPDG(AliTRDtrackV1* track = 0x0);
74 Bool_t CheckTrackQuality(const AliTRDtrackV1* track = 0x0);
76 AliTRDReconstructor *fReconstructor; //! reconstructor needed for recalculation the PID
77 AliTRDpidUtil *fUtil; //! utility class for PID calculations
78 TObjArray *fGraph; //! array of graphs filled in PostProcess
79 TObjArray *fEfficiency; //! array of histograms with efficiency
80 TAxis *fMomentumAxis; //! helper mementum binning
81 Int_t fMinNTracklets; // minimum number of required Tracklets (for systematic studies)
82 Int_t fMaxNTracklets; // maximum number of required Tracklets (for systematic studies)
83 ClassDef(AliTRDcheckPID, 1); // TRD PID checker
86 //________________________________________________________________________
87 inline void AliTRDcheckPID::SetMomentumBinning(Int_t nBins, Double_t *bins){
89 // Set the Momentum Bins
91 if(fMomentumAxis) delete fMomentumAxis;
92 fMomentumAxis = new TAxis(nBins, bins);
95 //________________________________________________________________________
96 inline Int_t AliTRDcheckPID::FindBin(Int_t species, Double_t momentum){
98 // Find the Bin in the 2D Histogram
100 return species * fMomentumAxis->GetNbins() + (fMomentumAxis->FindBin(momentum) -1);
103 //________________________________________________________________________
104 inline Bool_t AliTRDcheckPID::IsInRange(Double_t momentum){
106 // Check Whether momentum is in the defined Range
108 return (momentum >= fMomentumAxis->GetXmin() && momentum <= fMomentumAxis->GetXmax());