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 "TFile.h"
  25 #include "TObjArray.h"
  26 #include "TString.h"
  27
  28 #include "AliLog.h"
  29 #include "AliRawReader.h"
  30 #include "AliCDBManager.h"
  31 #include "AliCDBEntry.h"
  32
  33 #include "AliTOFClusterFinder.h"
  34 #include "AliTOFcalib.h"
  35 #include "AliTOFtrackerMI.h"
  36 #include "AliTOFtracker.h"
  37 #include "AliTOFtrackerV1.h"
  38 #include "AliTOFReconstructor.h"
  39 #include "AliTOFFormatDCS.h"
  40
  41 class TTree;
  42
  43 class AliESDEvent;
  44
  45 extern TDirectory *gDirectory;
  46 extern TFile *gFile;
  47
  48 ClassImp(AliTOFReconstructor)
  49
  50  //____________________________________________________________________
  51 AliTOFReconstructor::AliTOFReconstructor()
  52   : AliReconstructor(),
  53     fTOFcalib(0)
  54 {
  55 //
  56 // ctor
  57 //
  58
  59 //reading DCS DP processing result
  60
  61   AliCDBManager *man = AliCDBManager::Instance();
  62   Char_t *sel = "TOF/Calib/DCSData" ;
  63   Char_t  out[100];
  64   sprintf(out,"%s",sel);
  65   if (!man->Get(out,-1)) {
  66     AliInfo("No DCS data found in CDB");
  67   }
  68   else{
  69     AliCDBEntry *entry = man->Get(out,-1);
  70     if(!entry->GetObject()){
  71       AliInfo("No DCS array found in CDB entry");
  72     }
  73
  74    else {
  75       TObjArray *array = (TObjArray*)entry->GetObject();
  76       TString alias[4]={"tof_lv_i48","tof_lv_v48","tof_lv_i33","tof_lv_v33"};
  77       for (Int_t jj=0;jj<4;jj++){
  78         AliInfo(Form("Alias = %s",alias[jj].Data()));
  79
  80         AliTOFFormatDCS *dcs = (AliTOFFormatDCS*)array->At(jj);
  81         for (Int_t i=0;i<3;i++){
  82           AliInfo(Form("set value %i to %f at %f",i,dcs->GetFloat(i),dcs->GetTimeStampFloat(i)));
  83         }
  84         for (Int_t i=0;i<2;i++){
  85           AliInfo(Form("set variation %i to %f at %f",i,dcs->GetDelta(i),dcs->GetTimeStampDelta(i)));
  86         }
  87
  88       }
  89     }
  90   }
  91
  92   //Retrieving the TOF calibration info
  93   fTOFcalib    = new AliTOFcalib();
  94   fTOFcalib->CreateCalArrays();
  95   if(!fTOFcalib->ReadParOnlineFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  96   if(!fTOFcalib->ReadParOfflineFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);}
  97 }
  98
  99 //------------------------------------------------------------------------
 100 AliTOFReconstructor::AliTOFReconstructor(const AliTOFReconstructor &source)
 101   : AliReconstructor(),
 102     fTOFcalib(0)
 103 {
 104 //
 105 // copy ctor
 106 //
 107   this->fTOFcalib=source.fTOFcalib;
 108 }
 109
 110 //------------------------------------------------------------------------
 111 AliTOFReconstructor & AliTOFReconstructor::operator=(const AliTOFReconstructor &source)
 112 {
 113 //
 114 // assignment op.
 115 //
 116   this->fTOFcalib=source.fTOFcalib;
 117   return *this;
 118 }
 119 //_____________________________________________________________________________
 120 AliTOFReconstructor::~AliTOFReconstructor()
 121 {
 122 //
 123 // dtor
 124 //
 125   delete fTOFcalib;
 126 }
 127
 128 //_____________________________________________________________________________
 129 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
 130                                       TTree *clustersTree) const
 131 {
 132 // reconstruct clusters from Raw Data
 133
 134   AliTOFClusterFinder tofClus(fTOFcalib);
 135   tofClus.Digits2RecPoints(rawReader, clustersTree);
 136
 137 }
 138
 139 //_____________________________________________________________________________
 140 void AliTOFReconstructor::Reconstruct(TTree *digitsTree,
 141                                       TTree *clustersTree) const
 142 {
 143 // reconstruct clusters from Raw Data
 144
 145   AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree"));
 146   AliTOFClusterFinder tofClus(fTOFcalib);
 147   tofClus.Digits2RecPoints(digitsTree, clustersTree);
 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   AliTOFClusterFinder tofClus(fTOFcalib);
 157   tofClus.Raw2Digits(reader, digitsTree);
 158
 159 }
 160
 161 //_____________________________________________________________________________
 162 AliTracker* AliTOFReconstructor::CreateTracker() const
 163 {
 164 // create a TOF tracker
 165
 166   TString selectedTracker = GetOption();
 167   // use MI tracker if selected
 168   if (selectedTracker.Contains("MI")) return new AliTOFtrackerMI();
 169   if (selectedTracker.Contains("V1")) return new AliTOFtrackerV1();
 170   return new AliTOFtracker();
 171 }
 172