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->CreateCalObjects();
  57
  58   if(!fTOFcalib->ReadParOnlineDelayFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  59   if(!fTOFcalib->ReadParOnlineStatusFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  60
  61   if(!fTOFcalib->ReadParOfflineFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  62 }
  63
  64 //------------------------------------------------------------------------
  65 AliTOFReconstructor::AliTOFReconstructor(const AliTOFReconstructor &source)
  66   : AliReconstructor(),
  67     fTOFcalib(0)
  68 {
  69 //
  70 // copy ctor
  71 //
  72   this->fTOFcalib=source.fTOFcalib;
  73 }
  74
  75 //------------------------------------------------------------------------
  76 AliTOFReconstructor & AliTOFReconstructor::operator=(const AliTOFReconstructor &source)
  77 {
  78 //
  79 // assignment op.
  80 //
  81   this->fTOFcalib=source.fTOFcalib;
  82   return *this;
  83 }
  84 //_____________________________________________________________________________
  85 AliTOFReconstructor::~AliTOFReconstructor()
  86 {
  87 //
  88 // dtor
  89 //
  90   delete fTOFcalib;
  91 }
  92
  93 //_____________________________________________________________________________
  94 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  95                                       TTree *clustersTree) const
  96 {
  97   //
  98   // reconstruct clusters from Raw Data
  99   //
 100
 101   TString optionString = GetOption();
 102   // use V1 cluster finder if selected
 103   if (optionString.Contains("ClusterizerV1")) {
 104     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 105
 106     // decoder version option
 107     if (optionString.Contains("DecoderV1"))
 108       tofClus.SetDecoderVersion(1);
 109     else
 110       tofClus.SetDecoderVersion(0);
 111
 112     tofClus.Digits2RecPoints(rawReader, clustersTree);
 113   }
 114   else {
 115     static AliTOFClusterFinder tofClus(fTOFcalib);
 116
 117     // decoder version option
 118     if (optionString.Contains("DecoderV1"))
 119       tofClus.SetDecoderVersion(1);
 120     else
 121       tofClus.SetDecoderVersion(0);
 122
 123     tofClus.Digits2RecPoints(rawReader, clustersTree);
 124   }
 125
 126 }
 127
 128 //_____________________________________________________________________________
 129 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 130                                       TTree *clustersTree) const
 131 {
 132   //
 133   // reconstruct clusters from digits
 134   //
 135
 136   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 137
 138   TString optionString = GetOption();
 139   // use V1 cluster finder if selected
 140   if (optionString.Contains("ClusterizerV1")) {
 141     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 142
 143     // decoder version option
 144     if (optionString.Contains("DecoderV1"))
 145       tofClus.SetDecoderVersion(1);
 146     else
 147       tofClus.SetDecoderVersion(0);
 148
 149     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 150   }
 151   else {
 152     static AliTOFClusterFinder tofClus(fTOFcalib);
 153
 154     // decoder version option
 155     if (optionString.Contains("DecoderV1"))
 156       tofClus.SetDecoderVersion(1);
 157     else
 158       tofClus.SetDecoderVersion(0);
 159
 160     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 161   }
 162
 163 }
 164 //_____________________________________________________________________________
 165   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 166 {
 167 // reconstruct clusters from digits
 168
 169   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 170
 171   TString optionString = GetOption();
 172   // use V1 cluster finder if selected
 173   if (optionString.Contains("ClusterizerV1")) {
 174     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 175
 176     // decoder version option
 177     if (optionString.Contains("DecoderV1"))
 178       tofClus.SetDecoderVersion(1);
 179     else
 180       tofClus.SetDecoderVersion(0);
 181
 182     tofClus.Raw2Digits(reader, digitsTree);
 183   }
 184   else {
 185     static AliTOFClusterFinder tofClus(fTOFcalib);
 186
 187     // decoder version option
 188     if (optionString.Contains("DecoderV1"))
 189       tofClus.SetDecoderVersion(1);
 190     else
 191       tofClus.SetDecoderVersion(0);
 192
 193     tofClus.Raw2Digits(reader, digitsTree);
 194   }
 195
 196 }
 197
 198 //_____________________________________________________________________________
 199 AliTracker* AliTOFReconstructor::CreateTracker() const
 200 {
 201
 202   //
 203   // create a TOF tracker using
 204   // TOF Reco Param collected by STEER
 205   //
 206
 207   TString selectedTracker = GetOption();
 208
 209   AliTracker *tracker;
 210   // use MI tracker if selected
 211   if (selectedTracker.Contains("TrackerMI")) {
 212     tracker = new AliTOFtrackerMI();
 213   }
 214   // use V1 tracker if selected
 215   if (selectedTracker.Contains("TrackerV1")) {
 216     tracker =  new AliTOFtrackerV1();
 217   }
 218   else {
 219     tracker = new AliTOFtracker();
 220   }
 221   return tracker;
 222
 223 }