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 GetChi2YCut() const { return fkChi2YCut; }
31 Double_t GetChi2ZCut() const { return fkChi2ZCut; }
32 Double_t GetPhiCut() const { return fkPhiCut; }
33 Float_t GetNClusters() const;
34 Double_t GetNMeanClusters() const { return fkNMeanClusters; }
35 Double_t GetNSigmaClusters() const { return fkNSigmaClusters; }
36 Double_t GetFindableClusters() const { return fkFindable; }
37 Double_t GetMaxTheta() const { return fkMaxTheta; }
38 Double_t GetMaxPhi() const { return fkMaxPhi; }
39 Double_t GetPlaneQualityThreshold() const { return fkPlaneQualityThreshold; }
40 Double_t GetPIDThreshold(Float_t /*p*/) const { return 0.;}
41 Double_t GetRoad0y() const { return fkRoad0y; }
42 Double_t GetRoad0z() const { return fkRoad0z; }
43 Double_t GetRoad1y() const { return fkRoad1y; }
44 Double_t GetRoad1z() const { return fkRoad1z; }
45 Double_t GetRoad2y() const { return fkRoad2y; }
46 Double_t GetRoad2z() const { return fkRoad2z; }
47 Double_t GetTrackLikelihood() const { return fkTrackLikelihood; }
48 inline void GetSysCovMatrix(Double_t *sys) const;
49 Double_t GetMinMaxCutSigma() const { return fMinMaxCutSigma; };
50 Double_t GetMinLeftRightCutSigma() const { return fMinLeftRightCutSigma; };
51 Double_t GetClusMaxThresh() const { return fClusMaxThresh; };
52 Double_t GetClusSigThresh() const { return fClusSigThresh; };
53 Int_t GetTCnexp() const { return fTCnexp; };
54 Int_t GetNumberOfPresamples() const {return fNumberOfPresamples;}
55 Int_t GetNumberOfPostsamples() const {return fNumberOfPostsamples;}
58 static AliTRDrecoParam *GetLowFluxParam();
59 static AliTRDrecoParam *GetHighFluxParam();
60 static AliTRDrecoParam *GetCosmicTestParam();
62 Bool_t IsClusterSharing() const { return TestBit(kClusterSharing);}
63 Bool_t IsLUT() const { return TestBit(kLUT);}
64 Bool_t IsTailCancelation() const { return TestBit(kTC);}
65 Bool_t IsVertexConstrained() const { return TestBit(kVertexConstrained); }
66 Bool_t HasImproveTracklets() const { return TestBit(kImproveTracklet); }
68 void SetMaxTheta(Double_t maxTheta) {fkMaxTheta = maxTheta;}
69 void SetMaxPhi(Double_t maxPhi) {fkMaxPhi = maxPhi;}
70 void SetFindableClusters(Double_t r) {fkFindable = r;}
71 void SetChi2Y(Double_t chi2) {fkChi2Y = chi2;}
72 void SetChi2Z(Double_t chi2) {fkChi2Z = chi2;}
73 void SetChi2YCut(Double_t chi2YCut) {fkChi2YCut = chi2YCut;}
74 void SetChi2ZCut(Double_t chi2ZCut) {fkChi2ZCut = chi2ZCut;}
75 void SetPhiCut(Double_t phiCut) {fkPhiCut = phiCut;}
76 void SetNMeanClusters(Double_t meanNclusters) {fkNMeanClusters = meanNclusters;}
77 void SetNSigmaClusters(Double_t sigmaNclusters) {fkNSigmaClusters = sigmaNclusters;}
78 void SetClusterSharing(Bool_t share = kTRUE) { SetBit(kClusterSharing, share);}
79 void SetImproveTracklets(Bool_t improve = kTRUE) { SetBit(kImproveTracklet, improve);}
80 void SetVertexConstrained(Bool_t vc = kTRUE) { SetBit(kVertexConstrained, vc); }
81 void SetLUT(Bool_t lut = kTRUE) { SetBit(kLUT, lut);};
82 void SetMinMaxCutSigma(Float_t minMaxCutSigma) { fMinMaxCutSigma = minMaxCutSigma; }
83 void SetMinLeftRightCutSigma(Float_t minLeftRightCutSigma) { fMinLeftRightCutSigma = minLeftRightCutSigma; };
84 void SetClusMaxThresh(Float_t thresh) { fClusMaxThresh = thresh; };
85 void SetClusSigThresh(Float_t thresh) { fClusSigThresh = thresh; };
86 void SetTailCancelation(Bool_t tc = kTRUE) { SetBit(kTC, tc); };
87 inline void SetPIDThreshold(Double_t *pid);
88 void SetNexponential(Int_t nexp) { fTCnexp = nexp; };
89 inline void SetSysCovMatrix(Double_t *sys);
90 void SetNumberOfPresamples(Int_t n) { fNumberOfPresamples = n;}
91 void SetNumberOfPostsamples(Int_t n) { fNumberOfPostsamples = n;}
95 kTC = BIT(14) // tail cancelation
96 ,kLUT = BIT(15) // look up table for cluster position determination
97 ,kClusterSharing = BIT(16) // Toggle cluster sharing
98 ,kVertexConstrained = BIT(17) // Perform vertex constrained fit
99 ,kImproveTracklet = BIT(18) // Improve tracklet in the SA TRD track finder
101 // Physics reference values for TRD
102 Double_t fkdNchdy; // dNch/dy
103 Double_t fkMaxTheta; // Maximum theta
104 Double_t fkMaxPhi; // Maximum phi - momentum cut
106 Double_t fkRoad0y; // Road for middle cluster
107 Double_t fkRoad0z; // Road for middle cluster
109 Double_t fkRoad1y; // Road in y for seeded cluster
110 Double_t fkRoad1z; // Road in z for seeded cluster
112 Double_t fkRoad2y; // Road in y for extrapolated cluster
113 Double_t fkRoad2z; // Road in z for extrapolated cluster
115 Double_t fkPlaneQualityThreshold; // Quality threshold
116 Double_t fkFindable; // minimum ratio of clusters per tracklet supposed to be attached.
117 Double_t fkChi2Z; // Max chi2 on the z direction for seeding clusters fit
118 Double_t fkChi2Y; // Max chi2 on the y direction for seeding clusters Rieman fit
119 Double_t fkChi2YCut; // Cut on the Chi2 in y-direction in the likelihood filter
120 Double_t fkChi2ZCut; // Cut on the Chi2 in z-direction in the likelihood filter
121 Double_t fkPhiCut; // Cut on the deviation of the phi angles between tracklet and track fit (lik. filter)
122 Double_t fkNMeanClusters; // Mean number of clusters per tracklet
123 Double_t fkNSigmaClusters; // Sigma of the number of clusters per tracklet
124 Double_t fkNClusterNoise; // ratio of noisy clusters to the true one
125 Double_t fkNMeanTracklets; // Mean number of tracklets per track
126 Double_t fkTrackLikelihood; // Track likelihood for tracklets Rieman fit
128 Double_t fSysCovMatrix[5]; // Systematic uncertainty from calibration and alignment for each tracklet
129 Double_t fPIDThreshold[AliTRDCalPID::kNMom];
131 // Clusterization parameter
132 Double_t fMinMaxCutSigma; // Threshold sigma noise pad middle
133 Double_t fMinLeftRightCutSigma; // Threshold sigma noise sum pad
134 Double_t fClusMaxThresh; // Threshold value for cluster maximum
135 Double_t fClusSigThresh; // Threshold value for cluster signal
136 Int_t fTCnexp; // Number of exponentials, digital filter
139 Int_t fNumberOfPresamples; // number of presamples
140 Int_t fNumberOfPostsamples; // number of postsamples
142 ClassDef(AliTRDrecoParam, 5) // Reconstruction parameters for TRD detector
146 //___________________________________________________
147 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
150 memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
153 //___________________________________________________
154 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
157 memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
160 //___________________________________________________
161 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
164 memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));