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   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;}
  56
  57
  58   static   AliTRDrecoParam *GetLowFluxParam();
  59   static   AliTRDrecoParam *GetHighFluxParam();
  60   static   AliTRDrecoParam *GetCosmicTestParam();
  61
  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); }
  67
  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;}
  92
  93 private:
  94   enum{
  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
 100   };
 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
 105
 106   Double_t  fkRoad0y;                // Road for middle cluster
 107   Double_t  fkRoad0z;                // Road for middle cluster
 108
 109   Double_t  fkRoad1y;                // Road in y for seeded cluster
 110   Double_t  fkRoad1z;                // Road in z for seeded cluster
 111
 112   Double_t  fkRoad2y;                // Road in y for extrapolated cluster
 113   Double_t  fkRoad2z;                // Road in z for extrapolated cluster
 114
 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
 127
 128   Double_t  fSysCovMatrix[5];        // Systematic uncertainty from calibration and alignment for each tracklet
 129   Double_t  fPIDThreshold[AliTRDCalPID::kNMom];
 130
 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
 137
 138   // ADC parameter
 139   Int_t     fNumberOfPresamples;     // number of presamples
 140   Int_t     fNumberOfPostsamples;     // number of postsamples
 141
 142   ClassDef(AliTRDrecoParam, 6)       // Reconstruction parameters for TRD detector
 143
 144 };
 145
 146 //___________________________________________________
 147 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
 148 {
 149   if(!sys) return;
 150   memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
 151 }
 152
 153 //___________________________________________________
 154 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
 155 {
 156   if(!sys) return;
 157   memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
 158 }
 159
 160 //___________________________________________________
 161 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
 162 {
 163   if(!pid) return;
 164   memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));
 165 }
 166
 167
 168 #endif