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