TRD/AliTRDrecoParam.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  Parameter class for the TRD reconstruction                               //
  21 //                                                                           //
  22 //  Authors:                                                                 //
  23 //    Alex Bercuci <A.Bercuci@gsi.de>                                        //
  24 //    Markus Fasel <M.Fasel@gsi.de>                                          //
  25 //                                                                           //
  26 ///////////////////////////////////////////////////////////////////////////////
  27
  28 #include "AliTRDrecoParam.h"
  29 #include "AliTRDrawStreamBase.h"
  30
  31 ClassImp(AliTRDrecoParam)
  32
  33 //______________________________________________________________
  34 AliTRDrecoParam::AliTRDrecoParam()
  35   :AliDetectorRecoParam()
  36   ,fkMaxTheta(1.0)
  37   ,fkMaxPhi(2.0)
  38   ,fkRoad0y(6.0)
  39   ,fkRoad0z(8.5)
  40   ,fkRoad1y(2.0)
  41   ,fkRoad1z(20.0)
  42   ,fkRoad2y(3.0)
  43   ,fkRoad2z(20.0)
  44   ,fkPlaneQualityThreshold(5.0)// 4.2? under Investigation
  45   ,fkFindable(.333)
  46   ,fkChi2Z(30./*14.*//*12.5*/)
  47   ,fkChi2Y(.25)
  48   ,fkChi2YCut(7.73)
  49   ,fkChi2ZCut(0.069)
  50   ,fkPhiCut(10.6)
  51   ,fkMeanNclusters(72)
  52   ,fkSigmaNclusters(5.2632)
  53   ,fkTrackLikelihood(-15.)
  54   ,fMinMaxCutSigma(4.)
  55   ,fMinLeftRightCutSigma(8.)
  56   ,fClusMaxThresh(4.5)
  57   ,fClusSigThresh(3.5)
  58   ,fTCnexp(2)
  59   ,fNumberOfPresamples(0)
  60   ,fNumberOfPostsamples(0)
  61 {
  62   //
  63   // Default constructor
  64   //
  65   SetTailCancelation();
  66   SetLUT();
  67   SetClusterSharing(kFALSE);
  68   SetVertexConstrained();
  69   SetImproveTracklets(kFALSE);
  70
  71   fSysCovMatrix[0] = 1.; // y direction (1 cm)
  72   fSysCovMatrix[1] = 1.; // z direction (1 cm)
  73   fSysCovMatrix[2] = 0.; // snp
  74   fSysCovMatrix[3] = 0.; // tgl
  75   fSysCovMatrix[4] = 0.; // 1/pt
  76 }
  77
  78 //______________________________________________________________
  79 AliTRDrecoParam::AliTRDrecoParam(const AliTRDrecoParam &ref)
  80   :AliDetectorRecoParam(ref)
  81   ,fkMaxTheta(ref.fkMaxTheta)
  82   ,fkMaxPhi(ref.fkMaxPhi)
  83   ,fkRoad0y(ref.fkRoad0y)
  84   ,fkRoad0z(ref.fkRoad0z)
  85   ,fkRoad1y(ref.fkRoad1y)
  86   ,fkRoad1z(ref.fkRoad1z)
  87   ,fkRoad2y(ref.fkRoad2y)
  88   ,fkRoad2z(ref.fkRoad2z)
  89   ,fkPlaneQualityThreshold(ref.fkPlaneQualityThreshold)
  90   ,fkFindable(ref.fkFindable)
  91   ,fkChi2Z(ref.fkChi2Z)
  92   ,fkChi2Y(ref.fkChi2Y)
  93   ,fkChi2YCut(ref.fkChi2YCut)
  94   ,fkPhiCut(ref.fkPhiCut)
  95   ,fkMeanNclusters(ref.fkMeanNclusters)
  96   ,fkSigmaNclusters(ref.fkSigmaNclusters)
  97   ,fkTrackLikelihood(ref.fkTrackLikelihood)
  98   ,fMinMaxCutSigma(ref.fMinMaxCutSigma)
  99   ,fMinLeftRightCutSigma(ref.fMinLeftRightCutSigma)
 100   ,fClusMaxThresh(ref.fClusMaxThresh)
 101   ,fClusSigThresh(ref.fClusSigThresh)
 102   ,fTCnexp(ref.fTCnexp)
 103   ,fNumberOfPresamples(ref.fNumberOfPresamples)
 104   ,fNumberOfPostsamples(ref.fNumberOfPostsamples)
 105 {
 106   //
 107   // Copy constructor
 108   //
 109   SetClusterSharing(ref.IsClusterSharing());
 110   SetVertexConstrained(ref.IsVertexConstrained());
 111   SetLUT(ref.IsLUT());
 112   SetTailCancelation(ref.IsTailCancelation());
 113   SetImproveTracklets(ref.HasImproveTracklets());
 114
 115   memcpy(fSysCovMatrix, ref.fSysCovMatrix, 5*sizeof(Double_t));
 116 }
 117
 118 //______________________________________________________________
 119 AliTRDrecoParam *AliTRDrecoParam::GetLowFluxParam()
 120 {
 121   //
 122   // Parameters for the low flux environment
 123   //
 124
 125   return new AliTRDrecoParam();
 126
 127 }
 128
 129 //______________________________________________________________
 130 AliTRDrecoParam *AliTRDrecoParam::GetHighFluxParam()
 131 {
 132   //
 133   // Parameters for the high flux environment
 134   //
 135
 136   AliTRDrecoParam *rec = new AliTRDrecoParam();
 137   rec->SetImproveTracklets(kTRUE);
 138   return rec;
 139
 140 }
 141
 142 //______________________________________________________________
 143 AliTRDrecoParam *AliTRDrecoParam::GetCosmicTestParam()
 144 {
 145   //
 146   // Parameters for the cosmics data
 147   //
 148
 149   AliTRDrawStreamBase::SetRawStreamVersion("TB");
 150   AliTRDrecoParam *par = new AliTRDrecoParam();
 151   par->SetVertexConstrained(kFALSE);
 152   par->SetChi2YCut(1.136);
 153   par->SetChi2ZCut(0.069);
 154   par->SetMaxTheta(2.1445);
 155   par->SetMaxPhi(2.7475);
 156   par->SetMeanNclusters(48.1197);
 157   par->SetSigmaNclusters(8.59347);
 158   return par;
 159
 160 }