MUON/AliMUONRecoParam.cxx

   1 /**************************************************************************
   2 * Copyright(c) 1998-2007, 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
  17 //-----------------------------------------------------------------------------
  18 /// \class AliMUONRecoParam
  19 ///
  20 /// Class with MUON reconstruction parameters
  21 ///
  22 ///  \author Philippe Pillot
  23 //-----------------------------------------------------------------------------
  24
  25
  26
  27 #include "AliMUONRecoParam.h"
  28
  29 #include "AliLog.h"
  30
  31 #include <Riostream.h>
  32
  33 ClassImp(AliMUONRecoParam)
  34
  35
  36 //_____________________________________________________________________________
  37 AliMUONRecoParam::AliMUONRecoParam()
  38 : TObject(),
  39   fClusteringMode("MLEM"),
  40   fTrackingMode("KALMAN"),
  41   fMinBendingMomentum(0.),
  42   fMaxBendingMomentum(0.),
  43   fNonBendingVertexDispersion(0.),
  44   fBendingVertexDispersion(0.),
  45   fMaxNonBendingDistanceToTrack(0.),
  46   fMaxBendingDistanceToTrack(0.),
  47   fSigmaCutForTracking(0.),
  48   fSigmaCutForImprovement(0.),
  49   fSigmaCutForTrigger(0.),
  50   fMaxNormChi2MatchTrigger(0.),
  51   fTrackAllTracks(kFALSE),
  52   fRecoverTracks(kFALSE),
  53   fMakeTrackCandidatesFast(kFALSE),
  54   fComplementTracks(kFALSE),
  55   fImproveTracks(kFALSE),
  56   fUseSmoother(kFALSE)
  57 {
  58   /// Constructor
  59
  60   // use the default parameters for low flux environment
  61   SetLowFluxParam();
  62 }
  63
  64 //_____________________________________________________________________________
  65 AliMUONRecoParam::~AliMUONRecoParam()
  66 {
  67   /// Destructor
  68 }
  69
  70 //_____________________________________________________________________________
  71 AliMUONRecoParam *AliMUONRecoParam::GetLowFluxParam()
  72 {
  73   /// Return default reconstruction parameters for low flux environment
  74
  75   AliMUONRecoParam *param = new AliMUONRecoParam();
  76   param->SetLowFluxParam();
  77
  78   return param;
  79 }
  80
  81 //_____________________________________________________________________________
  82 AliMUONRecoParam *AliMUONRecoParam::GetHighFluxParam()
  83 {
  84   /// Return default reconstruction parameters for high flux environment
  85
  86   AliMUONRecoParam *param = new AliMUONRecoParam();
  87   param->SetHighFluxParam();
  88
  89   return param;
  90 }
  91
  92 //_____________________________________________________________________________
  93 void AliMUONRecoParam::SetLowFluxParam()
  94 {
  95   /// Set reconstruction parameters for low flux environment
  96
  97   fMinBendingMomentum = 0.5;
  98   fMaxBendingMomentum = 3000.;
  99   fNonBendingVertexDispersion = 10.;
 100   fBendingVertexDispersion = 10.;
 101   fMaxNonBendingDistanceToTrack = 2.;
 102   fMaxBendingDistanceToTrack = 2.;
 103   fSigmaCutForTracking = 6.;
 104   fSigmaCutForImprovement = 5.;
 105   fSigmaCutForTrigger = 8.;
 106   fMaxNormChi2MatchTrigger = 16.;
 107   fTrackAllTracks = kTRUE;
 108   fRecoverTracks = kTRUE;
 109   fMakeTrackCandidatesFast = kFALSE;
 110   fComplementTracks = kTRUE;
 111   fImproveTracks = kTRUE;
 112   fUseSmoother = kTRUE;
 113
 114 }
 115
 116 //_____________________________________________________________________________
 117 void AliMUONRecoParam::SetHighFluxParam()
 118 {
 119   /// Set reconstruction parameters for high flux environment
 120
 121   fMinBendingMomentum = 0.5;
 122   fMaxBendingMomentum = 3000.;
 123   fNonBendingVertexDispersion = 10.;
 124   fBendingVertexDispersion = 10.;
 125   fMaxNonBendingDistanceToTrack = 2.;
 126   fMaxBendingDistanceToTrack = 2.;
 127   fSigmaCutForTracking = 6.;
 128   fSigmaCutForImprovement = 5.;
 129   fSigmaCutForTrigger = 8.;
 130   fMaxNormChi2MatchTrigger = 16.;
 131   fTrackAllTracks = kTRUE;
 132   fRecoverTracks = kTRUE;
 133   fMakeTrackCandidatesFast = kFALSE;
 134   fComplementTracks = kTRUE;
 135   fImproveTracks = kTRUE;
 136   fUseSmoother = kTRUE;
 137
 138 }
 139
 140 //_____________________________________________________________________________
 141 void AliMUONRecoParam::Print(Option_t *option) const
 142 {
 143   /// print reconstruction parameters
 144   /// if option = FULL then print also unused parameters
 145
 146   cout<<endl<<"\t------Reconstruction parameters------"<<endl;
 147
 148   cout<<Form("Clustering mode = %s",fClusteringMode.Data())<<endl;
 149
 150   cout<<Form("Tracking mode = %s",fTrackingMode.Data())<<endl;
 151
 152   cout<<Form("Bending momentum range = [%5.2f,%5.2f]",fMinBendingMomentum,fMaxBendingMomentum)<<endl;
 153
 154   if (strstr(fTrackingMode,"ORIGINAL"))
 155     cout<<Form("Vertex dispertion = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
 156   else if (strstr(option,"FULL"))
 157     cout<<Form("Vertex dispertion (used for original tracking only) = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
 158
 159   cout<<Form("Maximum distance to track = (%5.2f,%5.2f)",fMaxNonBendingDistanceToTrack,fMaxBendingDistanceToTrack)<<endl;
 160
 161   cout<<Form("Sigma cut for tracking = %5.2f",fSigmaCutForTracking)<<endl;
 162
 163   cout<<Form("Sigma cut for trigger hit pattern = %5.2f",fSigmaCutForTrigger)<<endl;
 164
 165   if (fTrackAllTracks) cout<<"Track all the possible candidates"<<endl;
 166   else cout<<"Track only the best candidates"<<endl;
 167
 168   if (strstr(option,"FULL")) {
 169     cout<<"Make track candidates assuming linear propagation between stations 4 and 5: ";
 170     if (fMakeTrackCandidatesFast) cout<<"ON"<<endl;
 171     else cout<<"OFF"<<endl;
 172   } else if (fMakeTrackCandidatesFast)
 173     cout<<"Make track candidates assuming linear propagation between stations 4 and 5"<<endl;
 174
 175   if (strstr(option,"FULL")) {
 176     cout<<"Try to recover tracks getting lost during tracking: ";
 177     if (fRecoverTracks) cout<<"ON"<<endl;
 178     else cout<<"OFF"<<endl;
 179   } else if (fRecoverTracks)
 180     cout<<"Try to recover tracks getting lost during tracking"<<endl;
 181
 182   if (strstr(option,"FULL")) {
 183     cout<<"Try to complete the reconstructed tracks by adding missing clusters: ";
 184     if (fComplementTracks) cout<<"ON"<<endl;
 185     else cout<<"OFF"<<endl;
 186   } else if (fComplementTracks)
 187     cout<<"Try to complete the reconstructed tracks by adding missing clusters"<<endl;
 188
 189   if (strstr(option,"FULL")) {
 190     cout<<"Try to improve the reconstructed tracks by removing bad clusters: ";
 191     if (fImproveTracks) cout<<Form("ON (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
 192     else cout<<"OFF"<<endl;
 193   } else if (fImproveTracks)
 194     cout<<Form("Try to improve the reconstructed tracks by removing bad clusters (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
 195
 196   if (strstr(option,"FULL")) {
 197     cout<<"Use smoother to compute final track parameters, etc, at each cluster (used for Kalman tracking only): ";
 198     if (fUseSmoother) cout<<"ON"<<endl;
 199     else cout<<"OFF"<<endl;
 200   } else if (fUseSmoother)
 201     cout<<"Use smoother to compute final track parameters, etc, at each cluster"<<endl;
 202
 203   cout<<Form("Maximum normalized chi2 of tracking/trigger track matching = %5.2f",fMaxNormChi2MatchTrigger)<<endl;
 204
 205   cout<<"\t-------------------------------------"<<endl<<endl;
 206
 207 }
 208