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   if(!fTOFcalib->ReadRunParamsFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  68 }
  69
  70 //_____________________________________________________________________________
  71 AliTOFReconstructor::~AliTOFReconstructor()
  72 {
  73 //
  74 // dtor
  75 //
  76   delete fTOFcalib;
  77 }
  78
  79 //_____________________________________________________________________________
  80 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  81                                       TTree *clustersTree) const
  82 {
  83   //
  84   // reconstruct clusters from Raw Data
  85   //
  86
  87   TString optionString = GetOption();
  88   // use V1 cluster finder if selected
  89   if (optionString.Contains("ClusterizerV1")) {
  90     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
  91
  92     // decoder version option
  93     if (optionString.Contains("DecoderV0"))
  94       tofClus.SetDecoderVersion(0);
  95     else
  96       tofClus.SetDecoderVersion(1);
  97
  98     tofClus.Digits2RecPoints(rawReader, clustersTree);
  99   }
 100   else {
 101     static AliTOFClusterFinder tofClus(fTOFcalib);
 102
 103     // decoder version option
 104     if (optionString.Contains("DecoderV0"))
 105       tofClus.SetDecoderVersion(0);
 106     else
 107       tofClus.SetDecoderVersion(1);
 108
 109     tofClus.Digits2RecPoints(rawReader, clustersTree);
 110   }
 111
 112 }
 113
 114 //_____________________________________________________________________________
 115 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 116                                       TTree *clustersTree) const
 117 {
 118   //
 119   // reconstruct clusters from digits
 120   //
 121
 122   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 123
 124   TString optionString = GetOption();
 125   // use V1 cluster finder if selected
 126   if (optionString.Contains("ClusterizerV1")) {
 127     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 128
 129     // decoder version option
 130     if (optionString.Contains("DecoderV0"))
 131       tofClus.SetDecoderVersion(0);
 132     else
 133       tofClus.SetDecoderVersion(1);
 134
 135     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 136   }
 137   else {
 138     static AliTOFClusterFinder tofClus(fTOFcalib);
 139
 140     // decoder version option
 141     if (optionString.Contains("DecoderV0"))
 142       tofClus.SetDecoderVersion(0);
 143     else
 144       tofClus.SetDecoderVersion(1);
 145
 146     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 147   }
 148
 149 }
 150 //_____________________________________________________________________________
 151   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 152 {
 153 // reconstruct clusters from digits
 154
 155   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 156
 157   TString optionString = GetOption();
 158   // use V1 cluster finder if selected
 159   if (optionString.Contains("ClusterizerV1")) {
 160     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 161
 162     // decoder version option
 163     if (optionString.Contains("DecoderV0"))
 164       tofClus.SetDecoderVersion(0);
 165     else
 166       tofClus.SetDecoderVersion(1);
 167
 168     tofClus.Raw2Digits(reader, digitsTree);
 169   }
 170   else {
 171     static AliTOFClusterFinder tofClus(fTOFcalib);
 172
 173     // decoder version option
 174     if (optionString.Contains("DecoderV0"))
 175       tofClus.SetDecoderVersion(0);
 176     else
 177       tofClus.SetDecoderVersion(1);
 178
 179     tofClus.Raw2Digits(reader, digitsTree);
 180   }
 181
 182 }
 183
 184 //_____________________________________________________________________________
 185 AliTracker* AliTOFReconstructor::CreateTracker() const
 186 {
 187
 188   //
 189   // create a TOF tracker using
 190   // TOF Reco Param collected by STEER
 191   //
 192
 193   TString selectedTracker = GetOption();
 194
 195   AliTracker *tracker;
 196   // use MI tracker if selected
 197   if (selectedTracker.Contains("TrackerMI")) {
 198     tracker = new AliTOFtrackerMI();
 199   }
 200   // use V1 tracker if selected
 201   else if (selectedTracker.Contains("TrackerV1")) {
 202     tracker =  new AliTOFtrackerV1();
 203   }
 204   else {
 205     tracker = new AliTOFtracker();
 206   }
 207   return tracker;
 208
 209 }