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 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;}
  57
  58
  59   static   AliTRDrecoParam *GetLowFluxParam();
  60   static   AliTRDrecoParam *GetHighFluxParam();
  61   static   AliTRDrecoParam *GetCosmicTestParam();
  62
  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); }
  68
  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;}
  94
  95 private:
  96   enum{
  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
 102   };
 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
 107
 108   Double_t  fkRoad0y;                // Road for middle cluster
 109   Double_t  fkRoad0z;                // Road for middle cluster
 110
 111   Double_t  fkRoad1y;                // Road in y for seeded cluster
 112   Double_t  fkRoad1z;                // Road in z for seeded cluster
 113
 114   Double_t  fkRoad2y;                // Road in y for extrapolated cluster
 115   Double_t  fkRoad2z;                // Road in z for extrapolated cluster
 116
 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
 130
 131   Double_t  fSysCovMatrix[5];        // Systematic uncertainty from calibration and alignment for each tracklet
 132   Double_t  fPIDThreshold[AliTRDCalPID::kNMom];
 133
 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
 140
 141   // ADC parameter
 142   Int_t     fNumberOfPresamples;     // number of presamples
 143   Int_t     fNumberOfPostsamples;     // number of postsamples
 144
 145   ClassDef(AliTRDrecoParam, 7)       // Reconstruction parameters for TRD detector
 146
 147 };
 148
 149 //___________________________________________________
 150 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
 151 {
 152   if(!sys) return;
 153   memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
 154 }
 155
 156 //___________________________________________________
 157 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
 158 {
 159   if(!sys) return;
 160   memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
 161 }
 162
 163 //___________________________________________________
 164 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
 165 {
 166   if(!pid) return;
 167   memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));
 168 }
 169
 170
 171 #endif