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 AliTRDdigitsParam *AliTRDReconstructor::fgDigitsParam = NULL;
  46 Char_t const * AliTRDReconstructor::fgSteerNames[kNsteer] = {
  47   "DigitsConversion       "
  48  ,"Write Clusters         "
  49  ,"Write Online Tracklets "
  50  ,"Stand Alone Tracking   "
  51  ,"HLT Mode               "
  52  ,"Process Online Tracklets"
  53  ,"Debug Streaming        "
  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 };
  64 Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
  65   "Clusterizer"
  66  ,"Tracker"
  67  ,"PID"
  68 };
  69 Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
  70   "cl"
  71  ,"tr"
  72  ,"pd"
  73 };
  74
  75 //_____________________________________________________________________________
  76 AliTRDReconstructor::AliTRDReconstructor()
  77   :AliReconstructor()
  78   ,fSteerParam(0)
  79 {
  80   // setting default "ON" steering parameters
  81   // owner of debug streamers
  82   SETFLG(fSteerParam, kOwner);
  83   // write clusters [cw]
  84   SETFLG(fSteerParam, kWriteClusters);
  85   // track seeding (stand alone tracking) [sa]
  86   SETFLG(fSteerParam, kSeeding);
  87
  88   memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
  89 }
  90
  91 //_____________________________________________________________________________
  92 AliTRDReconstructor::~AliTRDReconstructor()
  93 {
  94   //
  95   // Destructor
  96   //
  97
  98   if(fgDigitsParam){
  99     delete fgDigitsParam;
 100     fgDigitsParam = NULL;
 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 }
 117
 118
 119 //_____________________________________________________________________________
 120 void AliTRDReconstructor::Init(){
 121   //
 122   // Init Options
 123   //
 124   SetOption(GetOption());
 125   Options(fSteerParam);
 126
 127   // Make Debug Streams when Debug Streaming
 128   if(IsDebugStreaming()){
 129     for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
 130       TDirectory *savedir = gDirectory;
 131       fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
 132       savedir->cd();
 133       SETFLG(fSteerParam, kOwner);
 134     }
 135   }
 136 }
 137
 138 //_____________________________________________________________________________
 139 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
 140               , TTree *digitsTree) const
 141 {
 142   //
 143   // Convert raw data digits into digit objects in a root tree
 144   //
 145
 146   //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 147
 148   AliTRDrawData rawData;
 149   rawReader->Reset();
 150   rawReader->Select("TRD");
 151   rawData.OpenOutput();
 152   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 153   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
 154   manager->MakeBranch(digitsTree);
 155   manager->WriteDigits();
 156   delete manager;
 157
 158 }
 159
 160 //_____________________________________________________________________________
 161 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 162                                     , TTree *clusterTree) const
 163 {
 164   //
 165   // Reconstruct clusters
 166   //
 167
 168   //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 169
 170
 171   rawReader->Reset();
 172   rawReader->Select("TRD");
 173   AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
 174
 175   // New (fast) cluster finder
 176   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 177   clusterer.SetReconstructor(this);
 178   clusterer.OpenOutput(clusterTree);
 179   clusterer.OpenTrackletOutput();
 180   clusterer.SetUseLabels(kFALSE);
 181   clusterer.Raw2ClustersChamber(rawReader);
 182
 183   if(IsWritingClusters()) return;
 184
 185   // take over ownership of clusters
 186   fgClusters = clusterer.RecPoints();
 187   clusterer.SetClustersOwner(kFALSE);
 188
 189   // take over ownership of online tracklets
 190   fgTracklets = clusterer.TrackletsArray();
 191   clusterer.SetTrackletsOwner(kFALSE);
 192 }
 193
 194 //_____________________________________________________________________________
 195 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 196                                     , TTree *clusterTree) const
 197 {
 198   //
 199   // Reconstruct clusters
 200   //
 201
 202   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 203
 204   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
 205   clusterer.SetReconstructor(this);
 206   clusterer.OpenOutput(clusterTree);
 207   clusterer.ReadDigits(digitsTree);
 208   clusterer.MakeClusters();
 209
 210   if(IsWritingClusters()) return;
 211
 212   // take over ownership of clusters
 213   fgClusters = clusterer.RecPoints();
 214   clusterer.SetClustersOwner(kFALSE);
 215
 216   // take over ownership of online tracklets
 217   fgTracklets = clusterer.TrackletsArray();
 218   clusterer.SetTrackletsOwner(kFALSE);
 219 }
 220
 221 //_____________________________________________________________________________
 222 AliTracker *AliTRDReconstructor::CreateTracker() const
 223 {
 224   //
 225   // Create a TRD tracker
 226   //
 227
 228   //return new AliTRDtracker(NULL);
 229   AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
 230   tracker->SetReconstructor(this);
 231   return tracker;
 232
 233 }
 234
 235 //_____________________________________________________________________________
 236 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 237         , TTree* /*clusterTree*/
 238         , AliESDEvent* /*esd*/) const
 239 {
 240   //
 241   // Fill ESD
 242   //
 243
 244 }
 245
 246 //_____________________________________________________________________________
 247 void AliTRDReconstructor::SetDigitsParam(AliTRDdigitsParam const *par)
 248 {
 249   if(fgDigitsParam) (*fgDigitsParam) = (*par);
 250   else fgDigitsParam = new AliTRDdigitsParam(*par);
 251 }
 252
 253
 254 //_____________________________________________________________________________
 255 void AliTRDReconstructor::SetOption(Option_t *opt)
 256 {
 257   //
 258   // Read option string into the steer param.
 259   //
 260
 261   AliReconstructor::SetOption(opt);
 262
 263   TString s(opt);
 264   TObjArray *opar = s.Tokenize(",");
 265   for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
 266     Bool_t processed = kFALSE;
 267     TString sopt(((TObjString*)(*opar)[ipar])->String());
 268     for(Int_t iopt=0; iopt<kNsteer; iopt++){
 269       if(!sopt.Contains(fgSteerFlags[iopt])) continue;
 270       SETFLG(fSteerParam, BIT(iopt));
 271       if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
 272       processed = kTRUE;
 273       break;
 274     }
 275     if(processed) continue;
 276
 277     AliWarning(Form("Unknown option flag %s.", sopt.Data()));
 278   }
 279 }
 280
 281 //_____________________________________________________________________________
 282 void AliTRDReconstructor::Options(UInt_t steer)
 283 {
 284   //
 285   // Print the options
 286   //
 287
 288   for(Int_t iopt=0; iopt<kNsteer; iopt++){
 289     AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
 290   }
 291 }
 292