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 = NULL;
  44 TClonesArray *AliTRDReconstructor::fgTracklets = NULL;
  45 Char_t const * AliTRDReconstructor::fgSteerNames[kNsteer] = {
  46   "DigitsConversion       "
  47  ,"Write Clusters         "
  48  ,"Write Online Tracklets "
  49  ,"Stand Alone Tracking   "
  50  ,"HLT Mode              "
  51  ,"Process Online Trklts  "
  52  ,"Debug Streaming       "
  53  ,"Cl. Radial Correction  "
  54 };
  55 Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = {
  56   "dc"// digits conversion [false]
  57  ,"cw"// write clusters [true]
  58  ,"tw"// write online tracklets [false]
  59  ,"sa"// track seeding (stand alone tracking) [true]
  60  ,"hlt"// HLT reconstruction [false]
  61  ,"tp"// also use online tracklets for reconstruction [false]
  62  ,"deb"// Write debug stream [false]
  63  ,"cc" // Cluster radial correction during reconstruction [false]
  64 };
  65 Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
  66   "Clusterizer"
  67  ,"Tracker"
  68  ,"PID"
  69 };
  70 Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
  71   "cl"
  72  ,"tr"
  73  ,"pd"
  74 };
  75 Int_t AliTRDReconstructor::fgNTimeBins = -1;
  76
  77 //_____________________________________________________________________________
  78 AliTRDReconstructor::AliTRDReconstructor()
  79   :AliReconstructor()
  80   ,fSteerParam(0)
  81   ,fClusterizer(NULL)
  82 {
  83   // setting default "ON" steering parameters
  84   // owner of debug streamers
  85   SETFLG(fSteerParam, kOwner);
  86   // write clusters [cw]
  87   SETFLG(fSteerParam, kWriteClusters);
  88   // track seeding (stand alone tracking) [sa]
  89   SETFLG(fSteerParam, kSeeding);
  90   // Cluster radial correction during reconstruction [cc]
  91   //SETFLG(fSteerParam, kClRadialCorr);
  92   memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
  93 }
  94
  95 //_____________________________________________________________________________
  96 AliTRDReconstructor::~AliTRDReconstructor()
  97 {
  98   //
  99   // Destructor
 100   //
 101
 102   if(fgClusters) {
 103     fgClusters->Delete();
 104     delete fgClusters;
 105     fgClusters = NULL;
 106   }
 107   if(fgTracklets) {
 108     fgTracklets->Delete();
 109     delete fgTracklets;
 110     fgTracklets = NULL;
 111   }
 112   if(fSteerParam&kOwner){
 113     for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
 114       if(fDebugStream[itask]) delete fDebugStream[itask];
 115   }
 116   if(fClusterizer){
 117     delete fClusterizer;
 118     fClusterizer = NULL;
 119   }
 120 }
 121
 122
 123 //_____________________________________________________________________________
 124 void AliTRDReconstructor::Init(){
 125   //
 126   // Init Options
 127   //
 128   SetOption(GetOption());
 129   Options(fSteerParam);
 130
 131   if(!fClusterizer){
 132     fClusterizer = new AliTRDclusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 133     fClusterizer->SetReconstructor(this);
 134   }
 135
 136   // Make Debug Streams when Debug Streaming
 137   if(IsDebugStreaming()){
 138     for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
 139       TDirectory *savedir = gDirectory;
 140       fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
 141       savedir->cd();
 142       SETFLG(fSteerParam, kOwner);
 143     }
 144   }
 145 }
 146
 147 //_____________________________________________________________________________
 148 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
 149               , TTree *digitsTree) const
 150 {
 151   //
 152   // Convert raw data digits into digit objects in a root tree
 153   //
 154
 155   //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 156
 157   AliTRDrawData rawData;
 158   rawReader->Reset();
 159   rawReader->Select("TRD");
 160   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 161   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
 162   manager->MakeBranch(digitsTree);
 163   manager->WriteDigits();
 164   delete manager;
 165
 166 }
 167
 168 //_____________________________________________________________________________
 169 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 170                                     , TTree *clusterTree) const
 171 {
 172   //
 173   // Reconstruct clusters
 174   //
 175
 176   //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 177
 178
 179   rawReader->Reset();
 180   rawReader->Select("TRD");
 181   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 182
 183   if(!fClusterizer){
 184     AliFatal("Clusterizer not available!");
 185     return;
 186   }
 187
 188   fClusterizer->ResetRecPoints();
 189
 190   fClusterizer->OpenOutput(clusterTree);
 191   fClusterizer->SetUseLabels(kFALSE);
 192   fClusterizer->Raw2ClustersChamber(rawReader);
 193
 194   fgNTimeBins = fClusterizer->GetNTimeBins();
 195
 196   if(IsWritingClusters()) return;
 197
 198   // take over ownership of clusters
 199   fgClusters = fClusterizer->RecPoints();
 200   fClusterizer->SetClustersOwner(kFALSE);
 201
 202   // take over ownership of online tracklets
 203   fgTracklets = fClusterizer->TrackletsArray();
 204   fClusterizer->SetTrackletsOwner(kFALSE);
 205 }
 206
 207 //_____________________________________________________________________________
 208 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 209                                     , TTree *clusterTree) const
 210 {
 211   //
 212   // Reconstruct clusters
 213   //
 214
 215   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 216
 217   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 218   clusterer.SetReconstructor(this);
 219   clusterer.OpenOutput(clusterTree);
 220   clusterer.ReadDigits(digitsTree);
 221   clusterer.MakeClusters();
 222
 223   fgNTimeBins = clusterer.GetNTimeBins();
 224
 225   if(IsWritingClusters()) return;
 226
 227   // take over ownership of clusters
 228   fgClusters = clusterer.RecPoints();
 229   clusterer.SetClustersOwner(kFALSE);
 230
 231   // take over ownership of online tracklets
 232   fgTracklets = clusterer.TrackletsArray();
 233   clusterer.SetTrackletsOwner(kFALSE);
 234
 235 }
 236
 237 //_____________________________________________________________________________
 238 AliTracker *AliTRDReconstructor::CreateTracker() const
 239 {
 240   //
 241   // Create a TRD tracker
 242   //
 243
 244   //return new AliTRDtracker(NULL);
 245   AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
 246   tracker->SetReconstructor(this);
 247   return tracker;
 248
 249 }
 250
 251 //_____________________________________________________________________________
 252 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 253         , TTree* /*clusterTree*/
 254         , AliESDEvent* /*esd*/) const
 255 {
 256   //
 257   // Fill ESD
 258   //
 259
 260 }
 261
 262 //_____________________________________________________________________________
 263 void AliTRDReconstructor::SetOption(Option_t *opt)
 264 {
 265   //
 266   // Read option string into the steer param.
 267   //
 268
 269   AliReconstructor::SetOption(opt);
 270
 271   TString s(opt);
 272   TObjArray *opar = s.Tokenize(",");
 273   for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
 274     Bool_t processed = kFALSE;
 275     TString sopt(((TObjString*)(*opar)[ipar])->String());
 276     for(Int_t iopt=0; iopt<kNsteer; iopt++){
 277       if(!sopt.Contains(fgSteerFlags[iopt])) continue;
 278       SETFLG(fSteerParam, BIT(iopt));
 279       if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
 280       processed = kTRUE;
 281       break;
 282     }
 283     if(processed) continue;
 284
 285     AliWarning(Form("Unknown option flag %s.", sopt.Data()));
 286   }
 287 }
 288
 289 //_____________________________________________________________________________
 290 void AliTRDReconstructor::Options(UInt_t steer)
 291 {
 292   //
 293   // Print the options
 294   //
 295
 296   for(Int_t iopt=0; iopt<kNsteer; iopt++){
 297     AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
 298   }
 299 }
 300