TRD/AliTRDReconstructor.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 // Class for TRD reconstruction                                              //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 #include <TObjString.h>
  25 #include <TObjArray.h>
  26 #include <TTreeStream.h>
  27 #include <TDirectory.h>
  28
  29 #include "AliRawReader.h"
  30
  31 #include "AliTRDReconstructor.h"
  32 #include "AliTRDclusterizer.h"
  33 #include "AliTRDrawData.h"
  34 #include "AliTRDrawStreamBase.h"
  35 #include "AliTRDdigitsManager.h"
  36 #include "AliTRDtrackerV1.h"
  37
  38 #define SETFLG(n,f) ((n) |= f)
  39 #define CLRFLG(n,f) ((n) &= ~f)
  40
  41 ClassImp(AliTRDReconstructor)
  42
  43 TClonesArray *AliTRDReconstructor::fgClusters = 0x0;
  44 TClonesArray *AliTRDReconstructor::fgTracklets = 0x0;
  45 Char_t* AliTRDReconstructor::fgSteerNames[kNsteer] = {
  46   "DigitsConversion       "
  47  ,"Write Clusters         "
  48  ,"Write Online Tracklets "
  49  ,"Stand Alone Tracking   "
  50  ,"HLT Mode               "
  51  ,"Process Online Tracklets"
  52  ,"Debug Streaming        "
  53 };
  54 Char_t* AliTRDReconstructor::fgSteerFlags[kNsteer] = {
  55   "dc"// digits conversion [false]
  56  ,"cw"// write clusters [true]
  57  ,"tw"// write online tracklets [false]
  58  ,"sa"// track seeding (stand alone tracking) [true]
  59  ,"hlt"// HLT reconstruction [false]
  60  ,"tp"// also use online tracklets for reconstruction [false]
  61  ,"deb"// Write debug stream [false]
  62 };
  63 Char_t* AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
  64   "Clusterizer"
  65  ,"Tracker"
  66  ,"PID"
  67 };
  68 Char_t* AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
  69   "cl"
  70  ,"tr"
  71  ,"pd"
  72 };
  73
  74 //_____________________________________________________________________________
  75 AliTRDReconstructor::AliTRDReconstructor()
  76   :AliReconstructor()
  77   ,fSteerParam(0)
  78 {
  79   // setting default "ON" steering parameters
  80   // owner of debug streamers
  81   SETFLG(fSteerParam, kOwner);
  82   // write clusters [cw]
  83   SETFLG(fSteerParam, kWriteClusters);
  84   // track seeding (stand alone tracking) [sa]
  85   SETFLG(fSteerParam, kSeeding);
  86
  87   memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
  88 }
  89
  90 //_____________________________________________________________________________
  91 AliTRDReconstructor::~AliTRDReconstructor()
  92 {
  93   //
  94   // Destructor
  95   //
  96
  97   if(fgClusters) {
  98     fgClusters->Delete(); delete fgClusters;
  99   }
 100   if(fgTracklets) {
 101     fgTracklets->Delete(); delete fgTracklets;
 102   }
 103   if(fSteerParam&kOwner){
 104     for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
 105       if(fDebugStream[itask]) delete fDebugStream[itask];
 106   }
 107 }
 108
 109
 110 //_____________________________________________________________________________
 111 void AliTRDReconstructor::Init(){
 112   //
 113   // Init Options
 114   //
 115   SetOption(GetOption());
 116   Options(fSteerParam);
 117
 118   // Make Debug Streams when Debug Streaming
 119   if(IsDebugStreaming()){
 120     for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
 121       TDirectory *savedir = gDirectory;
 122       fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
 123       savedir->cd();
 124       SETFLG(fSteerParam, kOwner);
 125     }
 126   }
 127 }
 128
 129 //_____________________________________________________________________________
 130 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
 131               , TTree *digitsTree) const
 132 {
 133   //
 134   // Convert raw data digits into digit objects in a root tree
 135   //
 136
 137   //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 138
 139   AliTRDrawData rawData;
 140   rawReader->Reset();
 141   rawReader->Select("TRD");
 142   rawData.OpenOutput();
 143   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 144   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
 145   manager->MakeBranch(digitsTree);
 146   manager->WriteDigits();
 147   delete manager;
 148
 149 }
 150
 151 //_____________________________________________________________________________
 152 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 153                                     , TTree *clusterTree) const
 154 {
 155   //
 156   // Reconstruct clusters
 157   //
 158
 159   //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 160
 161
 162   rawReader->Reset();
 163   rawReader->Select("TRD");
 164   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 165
 166   // New (fast) cluster finder
 167   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 168   clusterer.SetReconstructor(this);
 169   clusterer.OpenOutput(clusterTree);
 170   clusterer.OpenTrackletOutput();
 171   clusterer.SetUseLabels(kFALSE);
 172   clusterer.Raw2ClustersChamber(rawReader);
 173
 174   if(IsWritingClusters()) return;
 175
 176   // take over ownership of clusters
 177   fgClusters = clusterer.RecPoints();
 178   clusterer.SetClustersOwner(kFALSE);
 179
 180   // take over ownership of online tracklets
 181   fgTracklets = clusterer.TrackletsArray();
 182   clusterer.SetTrackletsOwner(kFALSE);
 183 }
 184
 185 //_____________________________________________________________________________
 186 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 187                                     , TTree *clusterTree) const
 188 {
 189   //
 190   // Reconstruct clusters
 191   //
 192
 193   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 194
 195   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 196   clusterer.SetReconstructor(this);
 197   clusterer.OpenOutput(clusterTree);
 198   clusterer.ReadDigits(digitsTree);
 199   clusterer.MakeClusters();
 200
 201   if(IsWritingClusters()) return;
 202
 203   // take over ownership of clusters
 204   fgClusters = clusterer.RecPoints();
 205   clusterer.SetClustersOwner(kFALSE);
 206
 207   // take over ownership of online tracklets
 208   fgTracklets = clusterer.TrackletsArray();
 209   clusterer.SetTrackletsOwner(kFALSE);
 210 }
 211
 212 //_____________________________________________________________________________
 213 AliTracker *AliTRDReconstructor::CreateTracker() const
 214 {
 215   //
 216   // Create a TRD tracker
 217   //
 218
 219   //return new AliTRDtracker(NULL);
 220   AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
 221   tracker->SetReconstructor(this);
 222   return tracker;
 223
 224 }
 225
 226 //_____________________________________________________________________________
 227 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 228         , TTree* /*clusterTree*/
 229         , AliESDEvent* /*esd*/) const
 230 {
 231   //
 232   // Fill ESD
 233   //
 234
 235 }
 236
 237
 238 //_____________________________________________________________________________
 239 void AliTRDReconstructor::SetOption(Option_t *opt)
 240 {
 241   //
 242   // Read option string into the steer param.
 243   //
 244
 245   AliReconstructor::SetOption(opt);
 246
 247   TString s(opt);
 248   TObjArray *opar = s.Tokenize(",");
 249   for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
 250     Bool_t processed = kFALSE;
 251     TString sopt(((TObjString*)(*opar)[ipar])->String());
 252     for(Int_t iopt=0; iopt<kNsteer; iopt++){
 253       if(!sopt.Contains(fgSteerFlags[iopt])) continue;
 254       SETFLG(fSteerParam, BIT(iopt));
 255       if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
 256       processed = kTRUE;
 257       break;
 258     }
 259     if(processed) continue;
 260
 261     AliWarning(Form("Unknown option flag %s.", sopt.Data()));
 262   }
 263 }
 264
 265 //_____________________________________________________________________________
 266 void AliTRDReconstructor::Options(UInt_t steer)
 267 {
 268   //
 269   // Print the options
 270   //
 271
 272   for(Int_t iopt=0; iopt<kNsteer; iopt++){
 273     AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
 274   }
 275 }
 276