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(const AliTRDReconstructor &r)
  92   :AliReconstructor(r)
  93   ,fSteerParam(r.fSteerParam)
  94 {
  95   //
  96   // Copy constructor
  97   //
  98
  99   memcpy(fDebugStream, r.fDebugStream, sizeof(TTreeSRedirector *) *AliTRDrecoParam::kTRDreconstructionTasks);
 100   // ownership of debug streamers is not taken
 101   CLRFLG(fSteerParam, kOwner);
 102 }
 103
 104 //_____________________________________________________________________________
 105 AliTRDReconstructor::~AliTRDReconstructor()
 106 {
 107   //
 108   // Destructor
 109   //
 110
 111   if(fgClusters) {
 112     fgClusters->Delete(); delete fgClusters;
 113   }
 114   if(fgTracklets) {
 115     fgTracklets->Delete(); delete fgTracklets;
 116   }
 117   if(fSteerParam&kOwner){
 118     for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
 119       if(fDebugStream[itask]) delete fDebugStream[itask];
 120   }
 121 }
 122
 123
 124 //_____________________________________________________________________________
 125 void AliTRDReconstructor::Init(){
 126   //
 127   // Init Options
 128   //
 129   SetOption(GetOption());
 130   Options(fSteerParam);
 131
 132   // Make Debug Streams when Debug Streaming
 133   if(IsDebugStreaming()){
 134     for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
 135       TDirectory *savedir = gDirectory;
 136       fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
 137       savedir->cd();
 138       SETFLG(fSteerParam, kOwner);
 139     }
 140   }
 141 }
 142
 143 //_____________________________________________________________________________
 144 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
 145               , TTree *digitsTree) const
 146 {
 147   //
 148   // Convert raw data digits into digit objects in a root tree
 149   //
 150
 151   //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 152
 153   AliTRDrawData rawData;
 154   rawReader->Reset();
 155   rawReader->Select("TRD");
 156   rawData.OpenOutput();
 157   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 158   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
 159   manager->MakeBranch(digitsTree);
 160   manager->WriteDigits();
 161   delete manager;
 162
 163 }
 164
 165 //_____________________________________________________________________________
 166 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 167                                     , TTree *clusterTree) const
 168 {
 169   //
 170   // Reconstruct clusters
 171   //
 172
 173   //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 174
 175
 176   rawReader->Reset();
 177   rawReader->Select("TRD");
 178   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 179
 180   // New (fast) cluster finder
 181   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 182   clusterer.SetReconstructor(this);
 183   clusterer.OpenOutput(clusterTree);
 184   clusterer.OpenTrackletOutput();
 185   clusterer.SetUseLabels(kFALSE);
 186   clusterer.Raw2ClustersChamber(rawReader);
 187
 188   if(IsWritingClusters()) return;
 189
 190   // take over ownership of clusters
 191   fgClusters = clusterer.RecPoints();
 192   clusterer.SetClustersOwner(kFALSE);
 193
 194   // take over ownership of online tracklets
 195   fgTracklets = clusterer.TrackletsArray();
 196   clusterer.SetTrackletsOwner(kFALSE);
 197 }
 198
 199 //_____________________________________________________________________________
 200 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 201                                     , TTree *clusterTree) const
 202 {
 203   //
 204   // Reconstruct clusters
 205   //
 206
 207   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 208
 209   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 210   clusterer.SetReconstructor(this);
 211   clusterer.OpenOutput(clusterTree);
 212   clusterer.ReadDigits(digitsTree);
 213   clusterer.MakeClusters();
 214
 215   if(IsWritingClusters()) return;
 216
 217   // take over ownership of clusters
 218   fgClusters = clusterer.RecPoints();
 219   clusterer.SetClustersOwner(kFALSE);
 220
 221   // take over ownership of online tracklets
 222   fgTracklets = clusterer.TrackletsArray();
 223   clusterer.SetTrackletsOwner(kFALSE);
 224 }
 225
 226 //_____________________________________________________________________________
 227 AliTracker *AliTRDReconstructor::CreateTracker() const
 228 {
 229   //
 230   // Create a TRD tracker
 231   //
 232
 233   //return new AliTRDtracker(NULL);
 234   AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
 235   tracker->SetReconstructor(this);
 236   return tracker;
 237
 238 }
 239
 240 //_____________________________________________________________________________
 241 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 242         , TTree* /*clusterTree*/
 243         , AliESDEvent* /*esd*/) const
 244 {
 245   //
 246   // Fill ESD
 247   //
 248
 249 }
 250
 251
 252 //_____________________________________________________________________________
 253 void AliTRDReconstructor::SetOption(Option_t *opt)
 254 {
 255   //
 256   // Read option string into the steer param.
 257   //
 258
 259   AliReconstructor::SetOption(opt);
 260
 261   TString s(opt);
 262   TObjArray *opar = s.Tokenize(",");
 263   for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
 264     Bool_t processed = kFALSE;
 265     TString sopt(((TObjString*)(*opar)[ipar])->String());
 266     for(Int_t iopt=0; iopt<kNsteer; iopt++){
 267       if(!sopt.Contains(fgSteerFlags[iopt])) continue;
 268       SETFLG(fSteerParam, BIT(iopt));
 269       if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
 270       processed = kTRUE;
 271       break;
 272     }
 273     if(processed) continue;
 274
 275     AliWarning(Form("Unknown option flag %s.", sopt.Data()));
 276   }
 277 }
 278
 279 //_____________________________________________________________________________
 280 void AliTRDReconstructor::Options(UInt_t steer)
 281 {
 282   //
 283   // Print the options
 284   //
 285
 286   for(Int_t iopt=0; iopt<kNsteer; iopt++){
 287     AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
 288   }
 289 }
 290