TOF/AliTOFReconstructor.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 TOF reconstruction                                              //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 #include <cstdlib>
  25 #include "TObjArray.h"
  26 #include "TString.h"
  27
  28 #include "AliLog.h"
  29 #include "AliRawReader.h"
  30
  31 #include "AliTOFClusterFinder.h"
  32 #include "AliTOFClusterFinderV1.h"
  33 #include "AliTOFcalib.h"
  34 #include "AliTOFtrackerMI.h"
  35 #include "AliTOFtracker.h"
  36 #include "AliTOFtrackerV1.h"
  37 #include "AliTOFReconstructor.h"
  38
  39 class TTree;
  40
  41 class AliESDEvent;
  42
  43 ClassImp(AliTOFReconstructor)
  44
  45  //____________________________________________________________________
  46 AliTOFReconstructor::AliTOFReconstructor()
  47   : AliReconstructor(),
  48     fTOFcalib(0)
  49 {
  50 //
  51 // ctor
  52 //
  53
  54   //Retrieving the TOF calibration info
  55   fTOFcalib = new AliTOFcalib();
  56   fTOFcalib->Init();
  57
  58 #if 0
  59   fTOFcalib->CreateCalObjects();
  60
  61   if(!fTOFcalib->ReadParOnlineDelayFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  62   if(!fTOFcalib->ReadParOnlineStatusFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  63
  64   if(!fTOFcalib->ReadParOfflineFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  65
  66
  67   if(!fTOFcalib->ReadDeltaBCOffsetFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  68   if(!fTOFcalib->ReadCTPLatencyFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  69   if(!fTOFcalib->ReadT0FillFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  70   if(!fTOFcalib->ReadRunParamsFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  71 #endif
  72
  73 }
  74
  75 //_____________________________________________________________________________
  76 AliTOFReconstructor::~AliTOFReconstructor()
  77 {
  78 //
  79 // dtor
  80 //
  81   delete fTOFcalib;
  82 }
  83
  84 //_____________________________________________________________________________
  85 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  86                                       TTree *clustersTree) const
  87 {
  88   //
  89   // reconstruct clusters from Raw Data
  90   //
  91
  92   TString optionString = GetOption();
  93
  94   // use V1 cluster finder if selected
  95   if (optionString.Contains("ClusterizerV1")) {
  96     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
  97
  98     // decoder version option
  99     if (optionString.Contains("DecoderV0")) {
 100       tofClus.SetDecoderVersion(0);
 101     }
 102     else if (optionString.Contains("DecoderV1")) {
 103       tofClus.SetDecoderVersion(1);
 104     }
 105     else {
 106       tofClus.SetDecoderVersion(2);
 107     }
 108
 109     tofClus.Digits2RecPoints(rawReader, clustersTree);
 110   }
 111   else {
 112     static AliTOFClusterFinder tofClus(fTOFcalib);
 113
 114     // decoder version option
 115     if (optionString.Contains("DecoderV0")) {
 116       tofClus.SetDecoderVersion(0);
 117     }
 118     else if (optionString.Contains("DecoderV1")) {
 119       tofClus.SetDecoderVersion(1);
 120     }
 121     else {
 122       tofClus.SetDecoderVersion(2);
 123     }
 124
 125     tofClus.Digits2RecPoints(rawReader, clustersTree);
 126   }
 127
 128 }
 129
 130 //_____________________________________________________________________________
 131 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 132                                       TTree *clustersTree) const
 133 {
 134   //
 135   // reconstruct clusters from digits
 136   //
 137
 138   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 139
 140   TString optionString = GetOption();
 141   // use V1 cluster finder if selected
 142   if (optionString.Contains("ClusterizerV1")) {
 143     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 144
 145     // decoder version option
 146     if (optionString.Contains("DecoderV0")) {
 147       tofClus.SetDecoderVersion(0);
 148     }
 149     else if (optionString.Contains("DecoderV1")) {
 150       tofClus.SetDecoderVersion(1);
 151     }
 152     else {
 153       tofClus.SetDecoderVersion(2);
 154     }
 155
 156     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 157   }
 158   else {
 159     static AliTOFClusterFinder tofClus(fTOFcalib);
 160
 161     // decoder version option
 162     if (optionString.Contains("DecoderV0")) {
 163       tofClus.SetDecoderVersion(0);
 164     }
 165     else if (optionString.Contains("DecoderV1")) {
 166       tofClus.SetDecoderVersion(1);
 167     }
 168     else {
 169       tofClus.SetDecoderVersion(2);
 170     }
 171
 172     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 173   }
 174
 175 }
 176 //_____________________________________________________________________________
 177   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 178 {
 179 // reconstruct clusters from digits
 180
 181   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 182
 183   TString optionString = GetOption();
 184   // use V1 cluster finder if selected
 185   if (optionString.Contains("ClusterizerV1")) {
 186     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 187
 188     // decoder version option
 189     if (optionString.Contains("DecoderV0")) {
 190       tofClus.SetDecoderVersion(0);
 191     }
 192     else if (optionString.Contains("DecoderV1")) {
 193       tofClus.SetDecoderVersion(1);
 194     }
 195     else {
 196       tofClus.SetDecoderVersion(2);
 197     }
 198
 199     tofClus.Raw2Digits(reader, digitsTree);
 200   }
 201   else {
 202     static AliTOFClusterFinder tofClus(fTOFcalib);
 203
 204     // decoder version option
 205     if (optionString.Contains("DecoderV0")) {
 206       tofClus.SetDecoderVersion(0);
 207     }
 208     else if (optionString.Contains("DecoderV1")) {
 209       tofClus.SetDecoderVersion(1);
 210     }
 211     else {
 212       tofClus.SetDecoderVersion(2);
 213     }
 214
 215     tofClus.Raw2Digits(reader, digitsTree);
 216   }
 217
 218 }
 219
 220 //_____________________________________________________________________________
 221 AliTracker* AliTOFReconstructor::CreateTracker() const
 222 {
 223
 224   //
 225   // create a TOF tracker using
 226   // TOF Reco Param collected by STEER
 227   //
 228
 229   TString selectedTracker = GetOption();
 230
 231   AliTracker *tracker;
 232   // use MI tracker if selected
 233   if (selectedTracker.Contains("TrackerMI")) {
 234     tracker = new AliTOFtrackerMI();
 235   }
 236   // use V1 tracker if selected
 237   else if (selectedTracker.Contains("TrackerV1")) {
 238     tracker =  new AliTOFtrackerV1();
 239   }
 240   else {
 241     tracker = new AliTOFtracker();
 242   }
 243   return tracker;
 244
 245 }