TRD/AliTRDrecoParam.h

   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                               */
   5
   6 /* $Id$ */
   7
   8 ////////////////////////////////////////////////////////////////////////////
   9 //                                                                        //
  10 //  Parameter class for the TRD reconstruction                            //
  11 //                                                                        //
  12 ////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef ALIDETECTORRECOPARAM_H
  15 #include "AliDetectorRecoParam.h"
  16 #endif
  17 #ifndef ALITRDCALPID_H
  18 #include "Cal/AliTRDCalPID.h"
  19 #endif
  20
  21 class AliTRDrecoParam : public AliDetectorRecoParam
  22 {
  23 public:
  24   AliTRDrecoParam();
  25   AliTRDrecoParam(const AliTRDrecoParam &rec);
  26   ~AliTRDrecoParam() { }
  27
  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   Double_t GetMeanNclusters() const         { return fkMeanNclusters; }
  34   Double_t GetSigmaNclusters() const        { return fkSigmaNclusters; }
  35   Double_t GetFindableClusters() const      { return fkFindable; }
  36   Double_t GetMaxTheta() const              { return fkMaxTheta; }
  37   Double_t GetMaxPhi() const                { return fkMaxPhi;   }
  38   Double_t GetPlaneQualityThreshold() const { return fkPlaneQualityThreshold; }
  39   Double_t GetPIDThreshold(Float_t /*p*/) const { return 0.;}
  40   Double_t GetRoad0y() const                { return fkRoad0y;   }
  41   Double_t GetRoad0z() const                { return fkRoad0z;   }
  42   Double_t GetRoad1y() const                { return fkRoad1y;   }
  43   Double_t GetRoad1z() const                { return fkRoad1z;   }
  44   Double_t GetRoad2y() const                { return fkRoad2y;   }
  45   Double_t GetRoad2z() const                { return fkRoad2z;   }
  46   Double_t GetTrackLikelihood() const       { return fkTrackLikelihood;       }
  47   inline void GetSysCovMatrix(Double_t *sys) const;
  48   Double_t GetMinMaxCutSigma() const        { return fMinMaxCutSigma;     };
  49   Double_t GetMinLeftRightCutSigma() const  { return fMinLeftRightCutSigma;  };
  50   Double_t GetClusMaxThresh() const         { return fClusMaxThresh;   };
  51   Double_t GetClusSigThresh() const         { return fClusSigThresh;   };
  52   Int_t    GetTCnexp() const                { return fTCnexp;          };
  53   Int_t     GetNumberOfPresamples()  const {return fNumberOfPresamples;}
  54   Int_t    GetNumberOfPostsamples() const {return fNumberOfPostsamples;}
  55
  56
  57   static   AliTRDrecoParam *GetLowFluxParam();
  58   static   AliTRDrecoParam *GetHighFluxParam();
  59   static   AliTRDrecoParam *GetCosmicTestParam();
  60
  61   Bool_t   IsClusterSharing() const         { return TestBit(kClusterSharing);}
  62   Bool_t   IsLUT() const                    { return TestBit(kLUT);}
  63   Bool_t   IsTailCancelation() const        { return TestBit(kTC);}
  64   Bool_t   IsVertexConstrained() const      { return TestBit(kVertexConstrained); }
  65   Bool_t   HasImproveTracklets() const       { return TestBit(kImproveTracklet); }
  66
  67   void     SetMaxTheta(Double_t maxTheta) {fkMaxTheta = maxTheta;}
  68   void     SetMaxPhi(Double_t maxPhi) {fkMaxPhi = maxPhi;}
  69   void     SetFindableClusters(Double_t r) {fkFindable = r;}
  70   void     SetChi2Y(Double_t chi2) {fkChi2Y = chi2;}
  71   void     SetChi2Z(Double_t chi2) {fkChi2Z = chi2;}
  72   void     SetChi2YCut(Double_t chi2YCut) {fkChi2YCut = chi2YCut;}
  73   void     SetChi2ZCut(Double_t chi2ZCut) {fkChi2ZCut = chi2ZCut;}
  74   void     SetPhiCut(Double_t phiCut) {fkPhiCut = phiCut;}
  75   void     SetMeanNclusters(Double_t meanNclusters) {fkMeanNclusters = meanNclusters;}
  76   void     SetSigmaNclusters(Double_t sigmaNclusters) {fkSigmaNclusters = sigmaNclusters;}
  77   void     SetClusterSharing(Bool_t share = kTRUE)            { SetBit(kClusterSharing, share);}
  78   void     SetImproveTracklets(Bool_t improve = kTRUE)         { SetBit(kImproveTracklet, improve);}
  79   void     SetVertexConstrained(Bool_t vc = kTRUE)            { SetBit(kVertexConstrained, vc); }
  80   void     SetLUT(Bool_t lut = kTRUE)                         { SetBit(kLUT, lut);};
  81   void     SetMinMaxCutSigma(Float_t minMaxCutSigma)          { fMinMaxCutSigma   = minMaxCutSigma; }
  82   void     SetMinLeftRightCutSigma(Float_t minLeftRightCutSigma) { fMinLeftRightCutSigma   = minLeftRightCutSigma; };
  83   void     SetClusMaxThresh(Float_t thresh)                   { fClusMaxThresh   = thresh; };
  84   void     SetClusSigThresh(Float_t thresh)                   { fClusSigThresh   = thresh; };
  85   void     SetTailCancelation(Bool_t tc = kTRUE)              { SetBit(kTC, tc);  };
  86   inline void SetPIDThreshold(Double_t *pid);
  87   void     SetNexponential(Int_t nexp)                        { fTCnexp          = nexp;   };
  88   inline void SetSysCovMatrix(Double_t *sys);
  89   void     SetNumberOfPresamples(Int_t n)                     { fNumberOfPresamples = n;}
  90   void     SetNumberOfPostsamples(Int_t n)                    { fNumberOfPostsamples = n;}
  91
  92 private:
  93   enum{
  94     kTC                = BIT(14) // tail cancelation
  95    ,kLUT               = BIT(15) // look up table for cluster position determination
  96    ,kClusterSharing    = BIT(16) // Toggle cluster sharing
  97    ,kVertexConstrained = BIT(17) // Perform vertex constrained fit
  98    ,kImproveTracklet   = BIT(18) // Improve tracklet in the SA TRD track finder
  99   };
 100
 101   Double_t  fkMaxTheta;              // Maximum theta
 102   Double_t  fkMaxPhi;                // Maximum phi
 103
 104   Double_t  fkRoad0y;                // Road for middle cluster
 105   Double_t  fkRoad0z;                // Road for middle cluster
 106
 107   Double_t  fkRoad1y;                // Road in y for seeded cluster
 108   Double_t  fkRoad1z;                // Road in z for seeded cluster
 109
 110   Double_t  fkRoad2y;                // Road in y for extrapolated cluster
 111   Double_t  fkRoad2z;                // Road in z for extrapolated cluster
 112
 113   Double_t  fkPlaneQualityThreshold; // Quality threshold
 114   Double_t  fkFindable;              // Ratio of clusters from a track in one chamber which are at minimum supposed to be found.
 115   Double_t  fkChi2Z;                 // Max chi2 on the z direction for seeding clusters fit
 116   Double_t  fkChi2Y;                 // Max chi2 on the y direction for seeding clusters Rieman fit
 117   Double_t  fkChi2YCut;              // Cut on the Chi2 in y-direction in the likelihood filter
 118   Double_t  fkChi2ZCut;              // Cut on the Chi2 in z-direction in the likelihood filter
 119   Double_t  fkPhiCut;                // Cut on the deviation of the phi angles between tracklet and track fit (lik. filter)
 120   Double_t  fkMeanNclusters;         // Mean of the distribution of the number of clusters per tracklet
 121   Double_t  fkSigmaNclusters;        // Sigma of the distribution of the number of clusters per tracklet
 122   Double_t  fkTrackLikelihood;       // Track likelihood for tracklets Rieman fit
 123
 124   Double_t  fSysCovMatrix[5];        // Systematic uncertainty from calibration and alignment for each tracklet
 125   Double_t  fPIDThreshold[AliTRDCalPID::kNMom];
 126
 127   // Clusterization parameter
 128   Double_t  fMinMaxCutSigma;         // Threshold sigma noise pad middle
 129   Double_t  fMinLeftRightCutSigma;   // Threshold sigma noise sum pad
 130   Double_t  fClusMaxThresh;          // Threshold value for cluster maximum
 131   Double_t  fClusSigThresh;          // Threshold value for cluster signal
 132   Int_t     fTCnexp;                 // Number of exponentials, digital filter
 133
 134   // ADC parameter
 135   Int_t     fNumberOfPresamples;     // number of presamples
 136   Int_t     fNumberOfPostsamples;     // number of postsamples
 137
 138   ClassDef(AliTRDrecoParam, 5)       // Reconstruction parameters for TRD detector
 139
 140 };
 141
 142 //___________________________________________________
 143 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
 144 {
 145   if(!sys) return;
 146   memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
 147 }
 148
 149 //___________________________________________________
 150 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
 151 {
 152   if(!sys) return;
 153   memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
 154 }
 155
 156 //___________________________________________________
 157 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
 158 {
 159   if(!pid) return;
 160   memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));
 161 }
 162
 163
 164 #endif