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   ,fkTrackLikelihood(-15.)
  49   ,fMinMaxCutSigma(4.)
  50   ,fMinLeftRightCutSigma(8.)
  51   ,fClusMaxThresh(4.5)
  52   ,fClusSigThresh(3.5)
  53   ,fTCnexp(2)
  54   ,fNumberOfPresamples(0)
  55   ,fNumberOfPostsamples(0)
  56 {
  57   //
  58   // Default constructor
  59   //
  60   SetTailCancelation();
  61   SetLUT();
  62   SetClusterSharing(kFALSE);
  63   SetVertexConstrained();
  64   SetImproveTracklets(kFALSE);
  65
  66   fSysCovMatrix[0] = 1.; // y direction (1 cm)
  67   fSysCovMatrix[1] = 1.; // z direction (1 cm)
  68   fSysCovMatrix[2] = 0.; // snp
  69   fSysCovMatrix[3] = 0.; // tgl
  70   fSysCovMatrix[4] = 0.; // 1/pt
  71 }
  72
  73 //______________________________________________________________
  74 AliTRDrecoParam::AliTRDrecoParam(const AliTRDrecoParam &ref)
  75   :AliDetectorRecoParam(ref)
  76   ,fkMaxTheta(ref.fkMaxTheta)
  77   ,fkMaxPhi(ref.fkMaxPhi)
  78   ,fkRoad0y(ref.fkRoad0y)
  79   ,fkRoad0z(ref.fkRoad0z)
  80   ,fkRoad1y(ref.fkRoad1y)
  81   ,fkRoad1z(ref.fkRoad1z)
  82   ,fkRoad2y(ref.fkRoad2y)
  83   ,fkRoad2z(ref.fkRoad2z)
  84   ,fkPlaneQualityThreshold(ref.fkPlaneQualityThreshold)
  85   ,fkFindable(ref.fkFindable)
  86   ,fkChi2Z(ref.fkChi2Z)
  87   ,fkChi2Y(ref.fkChi2Y)
  88   ,fkTrackLikelihood(ref.fkTrackLikelihood)
  89   ,fMinMaxCutSigma(ref.fMinMaxCutSigma)
  90   ,fMinLeftRightCutSigma(ref.fMinLeftRightCutSigma)
  91   ,fClusMaxThresh(ref.fClusMaxThresh)
  92   ,fClusSigThresh(ref.fClusSigThresh)
  93   ,fTCnexp(ref.fTCnexp)
  94   ,fNumberOfPresamples(ref.fNumberOfPresamples)
  95   ,fNumberOfPostsamples(ref.fNumberOfPostsamples)
  96 {
  97   //
  98   // Copy constructor
  99   //
 100   SetClusterSharing(ref.IsClusterSharing());
 101   SetVertexConstrained(ref.IsVertexConstrained());
 102   SetLUT(ref.IsLUT());
 103   SetTailCancelation(ref.IsTailCancelation());
 104   SetImproveTracklets(ref.HasImproveTracklets());
 105
 106   memcpy(fSysCovMatrix, ref.fSysCovMatrix, 5*sizeof(Double_t));
 107 }
 108
 109 //______________________________________________________________
 110 AliTRDrecoParam *AliTRDrecoParam::GetLowFluxParam()
 111 {
 112   //
 113   // Parameters for the low flux environment
 114   //
 115
 116   return new AliTRDrecoParam();
 117
 118 }
 119
 120 //______________________________________________________________
 121 AliTRDrecoParam *AliTRDrecoParam::GetHighFluxParam()
 122 {
 123   //
 124   // Parameters for the high flux environment
 125   //
 126
 127   AliTRDrecoParam *rec = new AliTRDrecoParam();
 128   rec->SetImproveTracklets(kTRUE);
 129   return rec;
 130
 131 }
 132
 133 //______________________________________________________________
 134 AliTRDrecoParam *AliTRDrecoParam::GetCosmicTestParam()
 135 {
 136   //
 137   // Parameters for the cosmics data
 138   //
 139
 140   AliTRDrawStreamBase::SetRawStreamVersion("TB");
 141   AliTRDrecoParam *par = new AliTRDrecoParam();
 142   par->SetVertexConstrained();
 143   return par;
 144
 145 }