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 : AliDetectorRecoParam(),
  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   fCombinedClusterTrackReco(kFALSE),
  52   fTrackAllTracks(kFALSE),
  53   fRecoverTracks(kFALSE),
  54   fMakeTrackCandidatesFast(kFALSE),
  55   fComplementTracks(kFALSE),
  56   fImproveTracks(kFALSE),
  57   fUseSmoother(kFALSE)
  58 {
  59   /// Constructor
  60   SetNameTitle("MUON","MUON");
  61
  62   // use the default parameters for low flux environment
  63   SetLowFluxParam();
  64 }
  65
  66 //_____________________________________________________________________________
  67 AliMUONRecoParam::~AliMUONRecoParam()
  68 {
  69   /// Destructor
  70 }
  71
  72 //_____________________________________________________________________________
  73 AliMUONRecoParam *AliMUONRecoParam::GetLowFluxParam()
  74 {
  75   /// Return default reconstruction parameters for low flux environment
  76
  77   AliMUONRecoParam *param = new AliMUONRecoParam();
  78   param->SetLowFluxParam();
  79
  80   return param;
  81 }
  82
  83 //_____________________________________________________________________________
  84 AliMUONRecoParam *AliMUONRecoParam::GetHighFluxParam()
  85 {
  86   /// Return default reconstruction parameters for high flux environment
  87
  88   AliMUONRecoParam *param = new AliMUONRecoParam();
  89   param->SetHighFluxParam();
  90
  91   return param;
  92 }
  93
  94 //_____________________________________________________________________________
  95 void AliMUONRecoParam::SetLowFluxParam()
  96 {
  97   /// Set reconstruction parameters for low flux environment
  98
  99   fMinBendingMomentum = 0.5;
 100   fMaxBendingMomentum = 3000.;
 101   fNonBendingVertexDispersion = 10.;
 102   fBendingVertexDispersion = 10.;
 103   fMaxNonBendingDistanceToTrack = 2.;
 104   fMaxBendingDistanceToTrack = 2.;
 105   fSigmaCutForTracking = 6.;
 106   fSigmaCutForImprovement = 5.;
 107   fSigmaCutForTrigger = 8.;
 108   fMaxNormChi2MatchTrigger = 16.;
 109   fTrackAllTracks = kTRUE;
 110   fRecoverTracks = kTRUE;
 111   fMakeTrackCandidatesFast = kFALSE;
 112   fComplementTracks = kTRUE;
 113   fImproveTracks = kTRUE;
 114   fUseSmoother = kTRUE;
 115
 116 }
 117
 118 //_____________________________________________________________________________
 119 void AliMUONRecoParam::SetHighFluxParam()
 120 {
 121   /// Set reconstruction parameters for high flux environment
 122
 123   fMinBendingMomentum = 0.5;
 124   fMaxBendingMomentum = 3000.;
 125   fNonBendingVertexDispersion = 10.;
 126   fBendingVertexDispersion = 10.;
 127   fMaxNonBendingDistanceToTrack = 2.;
 128   fMaxBendingDistanceToTrack = 2.;
 129   fSigmaCutForTracking = 6.;
 130   fSigmaCutForImprovement = 5.;
 131   fSigmaCutForTrigger = 8.;
 132   fMaxNormChi2MatchTrigger = 16.;
 133   fTrackAllTracks = kTRUE;
 134   fRecoverTracks = kTRUE;
 135   fMakeTrackCandidatesFast = kFALSE;
 136   fComplementTracks = kTRUE;
 137   fImproveTracks = kTRUE;
 138   fUseSmoother = kTRUE;
 139
 140 }
 141
 142 //_____________________________________________________________________________
 143 void AliMUONRecoParam::Print(Option_t *option) const
 144 {
 145   /// print reconstruction parameters
 146   /// if option = FULL then print also unused parameters
 147
 148   cout<<endl<<"\t------Reconstruction parameters------"<<endl;
 149
 150   cout<<Form("Clustering mode = %s",fClusteringMode.Data())<<endl;
 151
 152   cout<<Form("Tracking mode = %s",fTrackingMode.Data())<<endl;
 153
 154   if (fCombinedClusterTrackReco) cout<<"Combined cluster/track reconstruction: ON"<<endl;
 155   else cout<<"Combined cluster/track reconstruction: OFF"<<endl;
 156
 157   cout<<Form("Bending momentum range = [%5.2f,%5.2f]",fMinBendingMomentum,fMaxBendingMomentum)<<endl;
 158
 159   if (strstr(fTrackingMode,"ORIGINAL"))
 160     cout<<Form("Vertex dispertion = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
 161   else if (strstr(option,"FULL"))
 162     cout<<Form("Vertex dispertion (used for original tracking only) = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
 163
 164   cout<<Form("Maximum distance to track = (%5.2f,%5.2f)",fMaxNonBendingDistanceToTrack,fMaxBendingDistanceToTrack)<<endl;
 165
 166   cout<<Form("Sigma cut for tracking = %5.2f",fSigmaCutForTracking)<<endl;
 167
 168   cout<<Form("Sigma cut for trigger hit pattern = %5.2f",fSigmaCutForTrigger)<<endl;
 169
 170   if (fTrackAllTracks) cout<<"Track all the possible candidates"<<endl;
 171   else cout<<"Track only the best candidates"<<endl;
 172
 173   if (strstr(option,"FULL")) {
 174     cout<<"Make track candidates assuming linear propagation between stations 4 and 5: ";
 175     if (fMakeTrackCandidatesFast) cout<<"ON"<<endl;
 176     else cout<<"OFF"<<endl;
 177   } else if (fMakeTrackCandidatesFast)
 178     cout<<"Make track candidates assuming linear propagation between stations 4 and 5"<<endl;
 179
 180   if (strstr(option,"FULL")) {
 181     cout<<"Try to recover tracks getting lost during tracking: ";
 182     if (fRecoverTracks) cout<<"ON"<<endl;
 183     else cout<<"OFF"<<endl;
 184   } else if (fRecoverTracks)
 185     cout<<"Try to recover tracks getting lost during tracking"<<endl;
 186
 187   if (strstr(option,"FULL")) {
 188     cout<<"Try to complete the reconstructed tracks by adding missing clusters: ";
 189     if (fComplementTracks) cout<<"ON"<<endl;
 190     else cout<<"OFF"<<endl;
 191   } else if (fComplementTracks)
 192     cout<<"Try to complete the reconstructed tracks by adding missing clusters"<<endl;
 193
 194   if (strstr(option,"FULL")) {
 195     cout<<"Try to improve the reconstructed tracks by removing bad clusters: ";
 196     if (fImproveTracks) cout<<Form("ON (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
 197     else cout<<"OFF"<<endl;
 198   } else if (fImproveTracks)
 199     cout<<Form("Try to improve the reconstructed tracks by removing bad clusters (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
 200
 201   if (strstr(option,"FULL")) {
 202     cout<<"Use smoother to compute final track parameters, etc, at each cluster (used for Kalman tracking only): ";
 203     if (fUseSmoother) cout<<"ON"<<endl;
 204     else cout<<"OFF"<<endl;
 205   } else if (fUseSmoother)
 206     cout<<"Use smoother to compute final track parameters, etc, at each cluster"<<endl;
 207
 208   cout<<Form("Maximum normalized chi2 of tracking/trigger track matching = %5.2f",fMaxNormChi2MatchTrigger)<<endl;
 209
 210   cout<<"\t-------------------------------------"<<endl<<endl;
 211
 212 }
 213