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 Tracklets"
  52  ,"Debug Streaming        "
  53 };
  54 Char_t const * 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 const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
  64   "Clusterizer"
  65  ,"Tracker"
  66  ,"PID"
  67 };
  68 Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
  69   "cl"
  70  ,"tr"
  71  ,"pd"
  72 };
  73 Int_t AliTRDReconstructor::fgNTimeBins = -1;
  74
  75 //_____________________________________________________________________________
  76 AliTRDReconstructor::AliTRDReconstructor()
  77   :AliReconstructor()
  78   ,fSteerParam(0)
  79   ,fClusterizer(NULL)
  80 {
  81   // setting default "ON" steering parameters
  82   // owner of debug streamers
  83   SETFLG(fSteerParam, kOwner);
  84   // write clusters [cw]
  85   SETFLG(fSteerParam, kWriteClusters);
  86   // track seeding (stand alone tracking) [sa]
  87   SETFLG(fSteerParam, kSeeding);
  88
  89   memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
  90 }
  91
  92 //_____________________________________________________________________________
  93 AliTRDReconstructor::~AliTRDReconstructor()
  94 {
  95   //
  96   // Destructor
  97   //
  98
  99   if(fgClusters) {
 100     fgClusters->Delete();
 101     delete fgClusters;
 102     fgClusters = NULL;
 103   }
 104   if(fgTracklets) {
 105     fgTracklets->Delete();
 106     delete fgTracklets;
 107     fgTracklets = NULL;
 108   }
 109   if(fSteerParam&kOwner){
 110     for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
 111       if(fDebugStream[itask]) delete fDebugStream[itask];
 112   }
 113   if(fClusterizer){
 114     delete fClusterizer;
 115     fClusterizer = NULL;
 116   }
 117 }
 118
 119
 120 //_____________________________________________________________________________
 121 void AliTRDReconstructor::Init(){
 122   //
 123   // Init Options
 124   //
 125   SetOption(GetOption());
 126   Options(fSteerParam);
 127
 128   if(!fClusterizer){
 129     fClusterizer = new AliTRDclusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 130     fClusterizer->SetReconstructor(this);
 131   }
 132
 133   // Make Debug Streams when Debug Streaming
 134   if(IsDebugStreaming()){
 135     for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
 136       TDirectory *savedir = gDirectory;
 137       fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
 138       savedir->cd();
 139       SETFLG(fSteerParam, kOwner);
 140     }
 141   }
 142 }
 143
 144 //_____________________________________________________________________________
 145 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
 146               , TTree *digitsTree) const
 147 {
 148   //
 149   // Convert raw data digits into digit objects in a root tree
 150   //
 151
 152   //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 153
 154   AliTRDrawData rawData;
 155   rawReader->Reset();
 156   rawReader->Select("TRD");
 157   rawData.OpenOutput();
 158   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 159   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
 160   manager->MakeBranch(digitsTree);
 161   manager->WriteDigits();
 162   delete manager;
 163
 164 }
 165
 166 //_____________________________________________________________________________
 167 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 168                                     , TTree *clusterTree) const
 169 {
 170   //
 171   // Reconstruct clusters
 172   //
 173
 174   //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 175
 176
 177   rawReader->Reset();
 178   rawReader->Select("TRD");
 179   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 180
 181   if(!fClusterizer){
 182     AliFatal("Clusterizer not available!");
 183     return;
 184   }
 185
 186   fClusterizer->ResetRecPoints();
 187
 188   fClusterizer->OpenOutput(clusterTree);
 189   fClusterizer->OpenTrackletOutput();
 190   fClusterizer->SetUseLabels(kFALSE);
 191   fClusterizer->Raw2ClustersChamber(rawReader);
 192
 193   if(IsWritingClusters()) return;
 194
 195   // take over ownership of clusters
 196   fgClusters = fClusterizer->RecPoints();
 197   fClusterizer->SetClustersOwner(kFALSE);
 198
 199   // take over ownership of online tracklets
 200   fgTracklets = fClusterizer->TrackletsArray();
 201   fClusterizer->SetTrackletsOwner(kFALSE);
 202
 203   fgNTimeBins = fClusterizer->GetNTimeBins();
 204 }
 205
 206 //_____________________________________________________________________________
 207 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 208                                     , TTree *clusterTree) const
 209 {
 210   //
 211   // Reconstruct clusters
 212   //
 213
 214   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 215
 216   if(!fClusterizer){
 217     AliFatal("Clusterizer not available!");
 218     return;
 219   }
 220
 221   fClusterizer->ResetRecPoints();
 222
 223   fClusterizer->OpenOutput(clusterTree);
 224   fClusterizer->ReadDigits(digitsTree);
 225   fClusterizer->MakeClusters();
 226
 227   if(IsWritingClusters()) return;
 228
 229   // take over ownership of clusters
 230   fgClusters = fClusterizer->RecPoints();
 231   fClusterizer->SetClustersOwner(kFALSE);
 232
 233   // take over ownership of online tracklets
 234   fgTracklets = fClusterizer->TrackletsArray();
 235   fClusterizer->SetTrackletsOwner(kFALSE);
 236
 237   fgNTimeBins = fClusterizer->GetNTimeBins();
 238 }
 239
 240 //_____________________________________________________________________________
 241 AliTracker *AliTRDReconstructor::CreateTracker() const
 242 {
 243   //
 244   // Create a TRD tracker
 245   //
 246
 247   //return new AliTRDtracker(NULL);
 248   AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
 249   tracker->SetReconstructor(this);
 250   return tracker;
 251
 252 }
 253
 254 //_____________________________________________________________________________
 255 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 256         , TTree* /*clusterTree*/
 257         , AliESDEvent* /*esd*/) const
 258 {
 259   //
 260   // Fill ESD
 261   //
 262
 263 }
 264
 265 //_____________________________________________________________________________
 266 void AliTRDReconstructor::SetOption(Option_t *opt)
 267 {
 268   //
 269   // Read option string into the steer param.
 270   //
 271
 272   AliReconstructor::SetOption(opt);
 273
 274   TString s(opt);
 275   TObjArray *opar = s.Tokenize(",");
 276   for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
 277     Bool_t processed = kFALSE;
 278     TString sopt(((TObjString*)(*opar)[ipar])->String());
 279     for(Int_t iopt=0; iopt<kNsteer; iopt++){
 280       if(!sopt.Contains(fgSteerFlags[iopt])) continue;
 281       SETFLG(fSteerParam, BIT(iopt));
 282       if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
 283       processed = kTRUE;
 284       break;
 285     }
 286     if(processed) continue;
 287
 288     AliWarning(Form("Unknown option flag %s.", sopt.Data()));
 289   }
 290 }
 291
 292 //_____________________________________________________________________________
 293 void AliTRDReconstructor::Options(UInt_t steer)
 294 {
 295   //
 296   // Print the options
 297   //
 298
 299   for(Int_t iopt=0; iopt<kNsteer; iopt++){
 300     AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
 301   }
 302 }
 303