prepare PID LQ ref maker for production
[u/mrichter/AliRoot.git] / PWG1 / TRD / AliTRDcheckPID.h
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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();
48 virtual ~AliTRDcheckPID();
49
50 virtual void CreateOutputObjects();
51 virtual Bool_t GetRefFigure(Int_t ifig);
b91fdd71 52 virtual void Exec(Option_t *opt);
1ee39b3a 53 virtual Bool_t PostProcess();
54
55 TH1 *PlotLQ(const AliTRDtrackV1 *track = 0x0);
56 TH1 *PlotNN(const AliTRDtrackV1 *track = 0x0);
57 TH1 *PlotESD(const AliTRDtrackV1 *track = 0x0);
58 TH1 *PlotdEdx(const AliTRDtrackV1 *track = 0x0);
59 TH1 *PlotdEdxSlice(const AliTRDtrackV1 *track = 0x0);
60 TH1 *PlotPH(const AliTRDtrackV1 *track = 0x0);
61 TH1 *PlotNClus(const AliTRDtrackV1 *track = 0x0);
62 TH1 *PlotNTracklets(const AliTRDtrackV1 *track = 0x0);
63 TH1 *PlotMom(const AliTRDtrackV1 *track = 0x0);
64 TH1 *PlotMomBin(const AliTRDtrackV1 *track = 0x0);
65
66 void SetRequireMinNTracklets(Int_t mintracklets) { fMinNTracklets = mintracklets; }
67 void SetRequireMaxNTracklets(Int_t maxtracklets) { fMaxNTracklets = maxtracklets; }
68
69 TObjArray *GetGraphs() const { return fGraph; };
2e6aa247 70 static Char_t const* MethodName(Int_t id) { return fgMethod[id]; };
1ee39b3a 71 //TObjArray *GetHistos() { return fContainer; };
72 virtual TObjArray *Histos();
2e6aa247 73 void EvaluateEfficiency(TObjArray* const histoContainer, TObjArray *results, Int_t species, Float_t electronEfficiency);
1ee39b3a 74 inline void SetMomentumBinning(Int_t nBins, Double_t *bins);
75 inline Int_t FindBin(Int_t species, Double_t momentum);
76 inline Bool_t IsInRange(Double_t momentum);
77
78private:
79 AliTRDcheckPID(const AliTRDcheckPID&); // not implemented
80 AliTRDcheckPID& operator=(const AliTRDcheckPID&); // not implemented
81
82 Int_t CalcPDG(AliTRDtrackV1* track = 0x0);
83 Bool_t CheckTrackQuality(const AliTRDtrackV1* track = 0x0) const;
2e6aa247 84 static Char_t const *fgMethod[3]; // PID method name
1ee39b3a 85 AliTRDReconstructor *fReconstructor; //! reconstructor needed for recalculation the PID
86 AliTRDpidUtil *fUtil; //! utility class for PID calculations
87 TObjArray *fGraph; //! array of graphs filled in PostProcess
b91fdd71 88 TObjArray *fPID; //! array of PID info/track for calibration
2e6aa247 89 TObjArray *fEfficiency[AliPID::kSPECIES]; //! array of histograms with efficiency
1ee39b3a 90 TAxis *fMomentumAxis; //! helper mementum binning
91 Int_t fMinNTracklets; // minimum number of required Tracklets (for systematic studies)
92 Int_t fMaxNTracklets; // maximum number of required Tracklets (for systematic studies)
2e6aa247 93 ClassDef(AliTRDcheckPID, 2); // TRD PID checker
1ee39b3a 94};
95
96//________________________________________________________________________
97inline void AliTRDcheckPID::SetMomentumBinning(Int_t nBins, Double_t *bins){
98 //
99 // Set the Momentum Bins
100 //
101 if(fMomentumAxis) delete fMomentumAxis;
102 fMomentumAxis = new TAxis(nBins, bins);
103}
104
105//________________________________________________________________________
106inline Int_t AliTRDcheckPID::FindBin(Int_t species, Double_t momentum){
107 //
108 // Find the Bin in the 2D Histogram
109 //
110 return species * fMomentumAxis->GetNbins() + (fMomentumAxis->FindBin(momentum) -1);
111}
112
113//________________________________________________________________________
114inline Bool_t AliTRDcheckPID::IsInRange(Double_t momentum){
115 //
116 // Check Whether momentum is in the defined Range
117 //
118 return (momentum >= fMomentumAxis->GetXmin() && momentum <= fMomentumAxis->GetXmax());
119}
120
121#endif