1 #ifndef ALITRDRECOPARAM_H
2 #define ALITRDRECOPARAM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////////////////////////////////
10 // Parameter class for the TRD reconstruction //
12 ////////////////////////////////////////////////////////////////////////////
14 #ifndef ALIDETECTORRECOPARAM_H
15 #include "AliDetectorRecoParam.h"
17 #ifndef ALITRDCALPID_H
18 #include "Cal/AliTRDCalPID.h"
21 class AliTRDrecoParam : public AliDetectorRecoParam
25 AliTRDrecoParam(const AliTRDrecoParam &rec);
26 ~AliTRDrecoParam() { }
28 Double_t GetChi2Y() const { return fkChi2Y; }
29 Double_t GetChi2Z() const { return fkChi2Z; }
30 Double_t GetChi2YSlope() const { return fkChi2YSlope; }
31 Double_t GetChi2ZSlope() const { return fkChi2ZSlope; }
32 Double_t GetChi2YCut() const { return fkChi2YCut; }
33 Double_t GetPhiSlope() const { return fkPhiSlope; }
34 Float_t GetNClusters() const;
35 Double_t GetNMeanClusters() const { return fkNMeanClusters; }
36 Double_t GetNSigmaClusters() const { return fkNSigmaClusters; }
37 Double_t GetFindableClusters() const { return fkFindable; }
38 Double_t GetMaxTheta() const { return fkMaxTheta; }
39 Double_t GetMaxPhi() const { return fkMaxPhi; }
40 Double_t GetPlaneQualityThreshold() const { return fkPlaneQualityThreshold; }
41 Double_t GetPIDThreshold(Float_t /*p*/) const { return 0.;}
42 Double_t GetRoad0y() const { return fkRoad0y; }
43 Double_t GetRoad0z() const { return fkRoad0z; }
44 Double_t GetRoad1y() const { return fkRoad1y; }
45 Double_t GetRoad1z() const { return fkRoad1z; }
46 Double_t GetRoad2y() const { return fkRoad2y; }
47 Double_t GetRoad2z() const { return fkRoad2z; }
48 Double_t GetTrackLikelihood() const { return fkTrackLikelihood; }
49 inline void GetSysCovMatrix(Double_t *sys) const;
50 Double_t GetMinMaxCutSigma() const { return fMinMaxCutSigma; };
51 Double_t GetMinLeftRightCutSigma() const { return fMinLeftRightCutSigma; };
52 Double_t GetClusMaxThresh() const { return fClusMaxThresh; };
53 Double_t GetClusSigThresh() const { return fClusSigThresh; };
54 Int_t GetTCnexp() const { return fTCnexp; };
55 Int_t GetNumberOfPresamples() const {return fNumberOfPresamples;}
56 Int_t GetNumberOfPostsamples() const {return fNumberOfPostsamples;}
59 static AliTRDrecoParam *GetLowFluxParam();
60 static AliTRDrecoParam *GetHighFluxParam();
61 static AliTRDrecoParam *GetCosmicTestParam();
63 Bool_t IsClusterSharing() const { return TestBit(kClusterSharing);}
64 Bool_t IsLUT() const { return TestBit(kLUT);}
65 Bool_t IsTailCancelation() const { return TestBit(kTC);}
66 Bool_t IsVertexConstrained() const { return TestBit(kVertexConstrained); }
67 Bool_t HasImproveTracklets() const { return TestBit(kImproveTracklet); }
69 void SetMaxTheta(Double_t maxTheta) {fkMaxTheta = maxTheta;}
70 void SetMaxPhi(Double_t maxPhi) {fkMaxPhi = maxPhi;}
71 void SetFindableClusters(Double_t r) {fkFindable = r;}
72 void SetChi2Y(Double_t chi2) {fkChi2Y = chi2;}
73 void SetChi2Z(Double_t chi2) {fkChi2Z = chi2;}
74 void SetChi2YSlope(Double_t chi2YSlope) {fkChi2YSlope = chi2YSlope;}
75 void SetChi2ZSlope(Double_t chi2ZSlope) {fkChi2ZSlope = chi2ZSlope;}
76 void SetChi2YCut(Double_t chi2Cut) {fkChi2YCut = chi2Cut; }
77 void SetPhiSlope(Double_t phiSlope) {fkPhiSlope = phiSlope;}
78 void SetNMeanClusters(Double_t meanNclusters) {fkNMeanClusters = meanNclusters;}
79 void SetNSigmaClusters(Double_t sigmaNclusters) {fkNSigmaClusters = sigmaNclusters;}
80 void SetClusterSharing(Bool_t share = kTRUE) { SetBit(kClusterSharing, share);}
81 void SetImproveTracklets(Bool_t improve = kTRUE) { SetBit(kImproveTracklet, improve);}
82 void SetVertexConstrained(Bool_t vc = kTRUE) { SetBit(kVertexConstrained, vc); }
83 void SetLUT(Bool_t lut = kTRUE) { SetBit(kLUT, lut);};
84 void SetMinMaxCutSigma(Float_t minMaxCutSigma) { fMinMaxCutSigma = minMaxCutSigma; }
85 void SetMinLeftRightCutSigma(Float_t minLeftRightCutSigma) { fMinLeftRightCutSigma = minLeftRightCutSigma; };
86 void SetClusMaxThresh(Float_t thresh) { fClusMaxThresh = thresh; };
87 void SetClusSigThresh(Float_t thresh) { fClusSigThresh = thresh; };
88 void SetTailCancelation(Bool_t tc = kTRUE) { SetBit(kTC, tc); };
89 inline void SetPIDThreshold(Double_t *pid);
90 void SetNexponential(Int_t nexp) { fTCnexp = nexp; };
91 inline void SetSysCovMatrix(Double_t *sys);
92 void SetNumberOfPresamples(Int_t n) { fNumberOfPresamples = n;}
93 void SetNumberOfPostsamples(Int_t n) { fNumberOfPostsamples = n;}
97 kTC = BIT(14) // tail cancelation
98 ,kLUT = BIT(15) // look up table for cluster position determination
99 ,kClusterSharing = BIT(16) // Toggle cluster sharing
100 ,kVertexConstrained = BIT(17) // Perform vertex constrained fit
101 ,kImproveTracklet = BIT(18) // Improve tracklet in the SA TRD track finder
103 // Physics reference values for TRD
104 Double_t fkdNchdy; // dNch/dy
105 Double_t fkMaxTheta; // Maximum theta
106 Double_t fkMaxPhi; // Maximum phi - momentum cut
108 Double_t fkRoad0y; // Road for middle cluster
109 Double_t fkRoad0z; // Road for middle cluster
111 Double_t fkRoad1y; // Road in y for seeded cluster
112 Double_t fkRoad1z; // Road in z for seeded cluster
114 Double_t fkRoad2y; // Road in y for extrapolated cluster
115 Double_t fkRoad2z; // Road in z for extrapolated cluster
117 Double_t fkPlaneQualityThreshold; // Quality threshold
118 Double_t fkFindable; // minimum ratio of clusters per tracklet supposed to be attached.
119 Double_t fkChi2Z; // Max chi2 on the z direction for seeding clusters fit
120 Double_t fkChi2Y; // Max chi2 on the y direction for seeding clusters Rieman fit
121 Double_t fkChi2YSlope; // Slope of the chi2-distribution in y-direction
122 Double_t fkChi2ZSlope; // Slope of the chi2-distribution in z-direction
123 Double_t fkChi2YCut; // Cut on the Chi2 in y-direction in the likelihood filter
124 Double_t fkPhiSlope; // Slope of the distribution of the deviation between track angle and tracklet angle
125 Double_t fkNMeanClusters; // Mean number of clusters per tracklet
126 Double_t fkNSigmaClusters; // Sigma of the number of clusters per tracklet
127 Double_t fkNClusterNoise; // ratio of noisy clusters to the true one
128 Double_t fkNMeanTracklets; // Mean number of tracklets per track
129 Double_t fkTrackLikelihood; // Track likelihood for tracklets Rieman fit
131 Double_t fSysCovMatrix[5]; // Systematic uncertainty from calibration and alignment for each tracklet
132 Double_t fPIDThreshold[AliTRDCalPID::kNMom];
134 // Clusterization parameter
135 Double_t fMinMaxCutSigma; // Threshold sigma noise pad middle
136 Double_t fMinLeftRightCutSigma; // Threshold sigma noise sum pad
137 Double_t fClusMaxThresh; // Threshold value for cluster maximum
138 Double_t fClusSigThresh; // Threshold value for cluster signal
139 Int_t fTCnexp; // Number of exponentials, digital filter
142 Int_t fNumberOfPresamples; // number of presamples
143 Int_t fNumberOfPostsamples; // number of postsamples
145 ClassDef(AliTRDrecoParam, 7) // Reconstruction parameters for TRD detector
149 //___________________________________________________
150 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
153 memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
156 //___________________________________________________
157 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
160 memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
163 //___________________________________________________
164 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
167 memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));