TPC/AliTPCReconstructor.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 TPC reconstruction                                              //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24
  25 #include "AliTPCReconstructor.h"
  26 #include "AliRunLoader.h"
  27 #include "AliRun.h"
  28 #include "AliRawReader.h"
  29 #include "AliTPCclustererMI.h"
  30 #include "AliTPCtrackerMI.h"
  31 #include "AliTPCpidESD.h"
  32 #include "AliTPCParam.h"
  33 #include "AliTPCParamSR.h"
  34 #include "AliTPCcalibDB.h"
  35
  36 ClassImp(AliTPCReconstructor)
  37
  38
  39 AliTPCRecoParam *    AliTPCReconstructor::fgkRecoParam =0;  // reconstruction parameters
  40 Int_t    AliTPCReconstructor::fgStreamLevel     = 0;        // stream (debug) level
  41
  42
  43 AliTPCReconstructor::AliTPCReconstructor():
  44 AliReconstructor(),
  45 fClusterer(NULL)
  46 {
  47   //
  48   // default constructor
  49   //
  50   if (!fgkRecoParam) {
  51     AliError("The Reconstruction parameters nonitialized - Used default one");
  52     fgkRecoParam = AliTPCRecoParam::GetHighFluxParam();
  53   }
  54
  55   AliTPCParam* param = GetTPCParam();
  56   if (!param) {
  57     AliWarning("Loading default TPC parameters !");
  58     param = new AliTPCParamSR;
  59   }
  60   fClusterer = new AliTPCclustererMI(param);
  61 }
  62
  63 //_____________________________________________________________________________
  64 AliTPCReconstructor::~AliTPCReconstructor()
  65 {
  66   if (fgkRecoParam) delete fgkRecoParam;
  67   if (fClusterer)   delete fClusterer;
  68 }
  69
  70 //_____________________________________________________________________________
  71 void AliTPCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const {
  72   // single event local reconstruction
  73   // of TPC data
  74   fClusterer->SetInput(digitsTree);
  75   fClusterer->SetOutput(clustersTree);
  76   fClusterer->Digits2Clusters();
  77 }
  78
  79 //_____________________________________________________________________________
  80 void AliTPCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const {
  81   // single event local reconstruction
  82   // of TPC data starting from raw data
  83   TString option = GetOption();
  84   if (option.Contains("OldRCUFormat"))
  85     fClusterer->SetOldRCUFormat(kTRUE);
  86
  87   fClusterer->SetOutput(clustersTree);
  88   fClusterer->Digits2Clusters(rawReader);
  89 }
  90
  91 //_____________________________________________________________________________
  92 AliTracker* AliTPCReconstructor::CreateTracker() const
  93 {
  94 // create a TPC tracker
  95
  96   AliTPCParam* param = GetTPCParam();
  97   if (!param) {
  98     AliWarning("Loading default TPC parameters !");
  99     param = new AliTPCParamSR;
 100   }
 101   param->ReadGeoMatrices();
 102   return new AliTPCtrackerMI(param);
 103 }
 104
 105 //_____________________________________________________________________________
 106 void AliTPCReconstructor::FillESD(TTree */*digitsTree*/, TTree */*clustersTree*/,
 107                                   AliESDEvent* esd) const
 108 {
 109 // make PID
 110
 111   Double_t parTPC[] = {47., 0.07, 5.};
 112   AliTPCpidESD tpcPID(parTPC);
 113   tpcPID.MakePID(esd);
 114 }
 115
 116
 117 //_____________________________________________________________________________
 118 AliTPCParam* AliTPCReconstructor::GetTPCParam() const
 119 {
 120 // get the TPC parameters
 121
 122   AliTPCParam* param = AliTPCcalibDB::Instance()->GetParameters();
 123
 124   return param;
 125 }