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   if(!fTOFcalib->ReadDeltaBCOffsetFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  65   if(!fTOFcalib->ReadCTPLatencyFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  66   if(!fTOFcalib->ReadT0FillFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  67 }
  68
  69 //_____________________________________________________________________________
  70 AliTOFReconstructor::~AliTOFReconstructor()
  71 {
  72 //
  73 // dtor
  74 //
  75   delete fTOFcalib;
  76 }
  77
  78 //_____________________________________________________________________________
  79 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  80                                       TTree *clustersTree) const
  81 {
  82   //
  83   // reconstruct clusters from Raw Data
  84   //
  85
  86   TString optionString = GetOption();
  87   // use V1 cluster finder if selected
  88   if (optionString.Contains("ClusterizerV1")) {
  89     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
  90
  91     // decoder version option
  92     if (optionString.Contains("DecoderV0"))
  93       tofClus.SetDecoderVersion(0);
  94     else
  95       tofClus.SetDecoderVersion(1);
  96
  97     tofClus.Digits2RecPoints(rawReader, clustersTree);
  98   }
  99   else {
 100     static AliTOFClusterFinder tofClus(fTOFcalib);
 101
 102     // decoder version option
 103     if (optionString.Contains("DecoderV0"))
 104       tofClus.SetDecoderVersion(0);
 105     else
 106       tofClus.SetDecoderVersion(1);
 107
 108     tofClus.Digits2RecPoints(rawReader, clustersTree);
 109   }
 110
 111 }
 112
 113 //_____________________________________________________________________________
 114 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 115                                       TTree *clustersTree) const
 116 {
 117   //
 118   // reconstruct clusters from digits
 119   //
 120
 121   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 122
 123   TString optionString = GetOption();
 124   // use V1 cluster finder if selected
 125   if (optionString.Contains("ClusterizerV1")) {
 126     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 127
 128     // decoder version option
 129     if (optionString.Contains("DecoderV0"))
 130       tofClus.SetDecoderVersion(0);
 131     else
 132       tofClus.SetDecoderVersion(1);
 133
 134     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 135   }
 136   else {
 137     static AliTOFClusterFinder tofClus(fTOFcalib);
 138
 139     // decoder version option
 140     if (optionString.Contains("DecoderV0"))
 141       tofClus.SetDecoderVersion(0);
 142     else
 143       tofClus.SetDecoderVersion(1);
 144
 145     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 146   }
 147
 148 }
 149 //_____________________________________________________________________________
 150   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 151 {
 152 // reconstruct clusters from digits
 153
 154   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 155
 156   TString optionString = GetOption();
 157   // use V1 cluster finder if selected
 158   if (optionString.Contains("ClusterizerV1")) {
 159     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 160
 161     // decoder version option
 162     if (optionString.Contains("DecoderV0"))
 163       tofClus.SetDecoderVersion(0);
 164     else
 165       tofClus.SetDecoderVersion(1);
 166
 167     tofClus.Raw2Digits(reader, digitsTree);
 168   }
 169   else {
 170     static AliTOFClusterFinder tofClus(fTOFcalib);
 171
 172     // decoder version option
 173     if (optionString.Contains("DecoderV0"))
 174       tofClus.SetDecoderVersion(0);
 175     else
 176       tofClus.SetDecoderVersion(1);
 177
 178     tofClus.Raw2Digits(reader, digitsTree);
 179   }
 180
 181 }
 182
 183 //_____________________________________________________________________________
 184 AliTracker* AliTOFReconstructor::CreateTracker() const
 185 {
 186
 187   //
 188   // create a TOF tracker using
 189   // TOF Reco Param collected by STEER
 190   //
 191
 192   TString selectedTracker = GetOption();
 193
 194   AliTracker *tracker;
 195   // use MI tracker if selected
 196   if (selectedTracker.Contains("TrackerMI")) {
 197     tracker = new AliTOFtrackerMI();
 198   }
 199   // use V1 tracker if selected
 200   else if (selectedTracker.Contains("TrackerV1")) {
 201     tracker =  new AliTOFtrackerV1();
 202   }
 203   else {
 204     tracker = new AliTOFtracker();
 205   }
 206   return tracker;
 207
 208 }