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()
  66 {
  67 //
  68 // dtor
  69 //
  70   delete fTOFcalib;
  71 }
  72
  73 //_____________________________________________________________________________
  74 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  75                                       TTree *clustersTree) const
  76 {
  77   //
  78   // reconstruct clusters from Raw Data
  79   //
  80
  81   TString optionString = GetOption();
  82   // use V1 cluster finder if selected
  83   if (optionString.Contains("ClusterizerV1")) {
  84     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
  85
  86     // decoder version option
  87     if (optionString.Contains("DecoderV0"))
  88       tofClus.SetDecoderVersion(0);
  89     else
  90       tofClus.SetDecoderVersion(1);
  91
  92     tofClus.Digits2RecPoints(rawReader, clustersTree);
  93   }
  94   else {
  95     static AliTOFClusterFinder tofClus(fTOFcalib);
  96
  97     // decoder version option
  98     if (optionString.Contains("DecoderV0"))
  99       tofClus.SetDecoderVersion(0);
 100     else
 101       tofClus.SetDecoderVersion(1);
 102
 103     tofClus.Digits2RecPoints(rawReader, clustersTree);
 104   }
 105
 106 }
 107
 108 //_____________________________________________________________________________
 109 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 110                                       TTree *clustersTree) const
 111 {
 112   //
 113   // reconstruct clusters from digits
 114   //
 115
 116   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 117
 118   TString optionString = GetOption();
 119   // use V1 cluster finder if selected
 120   if (optionString.Contains("ClusterizerV1")) {
 121     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 122
 123     // decoder version option
 124     if (optionString.Contains("DecoderV0"))
 125       tofClus.SetDecoderVersion(0);
 126     else
 127       tofClus.SetDecoderVersion(1);
 128
 129     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 130   }
 131   else {
 132     static AliTOFClusterFinder tofClus(fTOFcalib);
 133
 134     // decoder version option
 135     if (optionString.Contains("DecoderV0"))
 136       tofClus.SetDecoderVersion(0);
 137     else
 138       tofClus.SetDecoderVersion(1);
 139
 140     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 141   }
 142
 143 }
 144 //_____________________________________________________________________________
 145   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 146 {
 147 // reconstruct clusters from digits
 148
 149   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 150
 151   TString optionString = GetOption();
 152   // use V1 cluster finder if selected
 153   if (optionString.Contains("ClusterizerV1")) {
 154     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 155
 156     // decoder version option
 157     if (optionString.Contains("DecoderV0"))
 158       tofClus.SetDecoderVersion(0);
 159     else
 160       tofClus.SetDecoderVersion(1);
 161
 162     tofClus.Raw2Digits(reader, digitsTree);
 163   }
 164   else {
 165     static AliTOFClusterFinder tofClus(fTOFcalib);
 166
 167     // decoder version option
 168     if (optionString.Contains("DecoderV0"))
 169       tofClus.SetDecoderVersion(0);
 170     else
 171       tofClus.SetDecoderVersion(1);
 172
 173     tofClus.Raw2Digits(reader, digitsTree);
 174   }
 175
 176 }
 177
 178 //_____________________________________________________________________________
 179 AliTracker* AliTOFReconstructor::CreateTracker() const
 180 {
 181
 182   //
 183   // create a TOF tracker using
 184   // TOF Reco Param collected by STEER
 185   //
 186
 187   TString selectedTracker = GetOption();
 188
 189   AliTracker *tracker;
 190   // use MI tracker if selected
 191   if (selectedTracker.Contains("TrackerMI")) {
 192     tracker = new AliTOFtrackerMI();
 193   }
 194   // use V1 tracker if selected
 195   else if (selectedTracker.Contains("TrackerV1")) {
 196     tracker =  new AliTOFtrackerV1();
 197   }
 198   else {
 199     tracker = new AliTOFtracker();
 200   }
 201   return tracker;
 202
 203 }