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 Int_t    AliTPCReconstructor::fgStreamLevel     = 0;        // stream (debug) level
  40
  41
  42 AliTPCReconstructor::AliTPCReconstructor():
  43 AliReconstructor(),
  44 fClusterer(NULL)
  45 {
  46   //
  47   // default constructor
  48   //
  49   //
  50   //
  51
  52   AliTPCParam* param = GetTPCParam();
  53   if (!param) {
  54     AliWarning("Loading default TPC parameters !");
  55     param = new AliTPCParamSR;
  56   }
  57   fClusterer = new AliTPCclustererMI(param);
  58 }
  59
  60 //_____________________________________________________________________________
  61 AliTPCReconstructor::~AliTPCReconstructor()
  62 {
  63   if (fClusterer)   delete fClusterer;
  64 }
  65
  66 //_____________________________________________________________________________
  67 void AliTPCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const {
  68   // single event local reconstruction
  69   // of TPC data
  70   fClusterer->SetInput(digitsTree);
  71   fClusterer->SetOutput(clustersTree);
  72   fClusterer->Digits2Clusters();
  73 }
  74
  75 //_____________________________________________________________________________
  76 void AliTPCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const {
  77   // single event local reconstruction
  78   // of TPC data starting from raw data
  79
  80   fClusterer->SetOutput(clustersTree);
  81   fClusterer->Digits2Clusters(rawReader);
  82 }
  83
  84 //_____________________________________________________________________________
  85 AliTracker* AliTPCReconstructor::CreateTracker() const
  86 {
  87 // create a TPC tracker
  88
  89   AliTPCParam* param = GetTPCParam();
  90   if (!param) {
  91     AliWarning("Loading default TPC parameters !");
  92     param = new AliTPCParamSR;
  93   }
  94   param->ReadGeoMatrices();
  95   return new AliTPCtrackerMI(param);
  96 }
  97
  98 //_____________________________________________________________________________
  99 void AliTPCReconstructor::FillESD(TTree */*digitsTree*/, TTree */*clustersTree*/,
 100                                   AliESDEvent* esd) const
 101 {
 102 // make PID
 103
 104   Double_t parTPC[] = {47., 0.07, 5.};
 105   AliTPCpidESD tpcPID(parTPC);
 106   tpcPID.MakePID(esd);
 107 }
 108
 109
 110 //_____________________________________________________________________________
 111 AliTPCParam* AliTPCReconstructor::GetTPCParam() const
 112 {
 113 // get the TPC parameters
 114
 115   AliTPCParam* param = AliTPCcalibDB::Instance()->GetParameters();
 116
 117   return param;
 118 }