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(source),
  67     fTOFcalib(source.fTOFcalib)
  68 {
  69 //
  70 // copy ctor
  71 //
  72 }
  73
  74 //------------------------------------------------------------------------
  75 AliTOFReconstructor & AliTOFReconstructor::operator=(const AliTOFReconstructor &source)
  76 {
  77 //
  78 // assignment op.
  79 //
  80   if (this == &source)
  81     return *this;
  82
  83   fTOFcalib=source.fTOFcalib;
  84   return *this;
  85 }
  86 //_____________________________________________________________________________
  87 AliTOFReconstructor::~AliTOFReconstructor()
  88 {
  89 //
  90 // dtor
  91 //
  92   delete fTOFcalib;
  93 }
  94
  95 //_____________________________________________________________________________
  96 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  97                                       TTree *clustersTree) const
  98 {
  99   //
 100   // reconstruct clusters from Raw Data
 101   //
 102
 103   TString optionString = GetOption();
 104   // use V1 cluster finder if selected
 105   if (optionString.Contains("ClusterizerV1")) {
 106     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 107
 108     // decoder version option
 109     if (optionString.Contains("DecoderV1"))
 110       tofClus.SetDecoderVersion(1);
 111     else
 112       tofClus.SetDecoderVersion(0);
 113
 114     tofClus.Digits2RecPoints(rawReader, clustersTree);
 115   }
 116   else {
 117     static AliTOFClusterFinder tofClus(fTOFcalib);
 118
 119     // decoder version option
 120     if (optionString.Contains("DecoderV1"))
 121       tofClus.SetDecoderVersion(1);
 122     else
 123       tofClus.SetDecoderVersion(0);
 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("DecoderV1"))
 147       tofClus.SetDecoderVersion(1);
 148     else
 149       tofClus.SetDecoderVersion(0);
 150
 151     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 152   }
 153   else {
 154     static AliTOFClusterFinder tofClus(fTOFcalib);
 155
 156     // decoder version option
 157     if (optionString.Contains("DecoderV1"))
 158       tofClus.SetDecoderVersion(1);
 159     else
 160       tofClus.SetDecoderVersion(0);
 161
 162     tofClus.Digits2RecPoints(digitsTree, clustersTree);
 163   }
 164
 165 }
 166 //_____________________________________________________________________________
 167   void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const
 168 {
 169 // reconstruct clusters from digits
 170
 171   AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree"));
 172
 173   TString optionString = GetOption();
 174   // use V1 cluster finder if selected
 175   if (optionString.Contains("ClusterizerV1")) {
 176     static AliTOFClusterFinderV1 tofClus(fTOFcalib);
 177
 178     // decoder version option
 179     if (optionString.Contains("DecoderV1"))
 180       tofClus.SetDecoderVersion(1);
 181     else
 182       tofClus.SetDecoderVersion(0);
 183
 184     tofClus.Raw2Digits(reader, digitsTree);
 185   }
 186   else {
 187     static AliTOFClusterFinder tofClus(fTOFcalib);
 188
 189     // decoder version option
 190     if (optionString.Contains("DecoderV1"))
 191       tofClus.SetDecoderVersion(1);
 192     else
 193       tofClus.SetDecoderVersion(0);
 194
 195     tofClus.Raw2Digits(reader, digitsTree);
 196   }
 197
 198 }
 199
 200 //_____________________________________________________________________________
 201 AliTracker* AliTOFReconstructor::CreateTracker() const
 202 {
 203
 204   //
 205   // create a TOF tracker using
 206   // TOF Reco Param collected by STEER
 207   //
 208
 209   TString selectedTracker = GetOption();
 210
 211   AliTracker *tracker;
 212   // use MI tracker if selected
 213   if (selectedTracker.Contains("TrackerMI")) {
 214     tracker = new AliTOFtrackerMI();
 215   }
 216   // use V1 tracker if selected
 217   if (selectedTracker.Contains("TrackerV1")) {
 218     tracker =  new AliTOFtrackerV1();
 219   }
 220   else {
 221     tracker = new AliTOFtracker();
 222   }
 223   return tracker;
 224
 225 }