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
  25 #include <TFile.h>
  26
  27 #include "AliLog.h"
  28 #include "AliRun.h"
  29 #include "AliRunLoader.h"
  30
  31 #include "AliTOFtracker.h"
  32 #include "AliTOFtrackerMI.h"
  33 #include "AliTOFClusterFinder.h"
  34 #include "AliTOFReconstructor.h"
  35
  36
  37 ClassImp(AliTOFReconstructor)
  38
  39
  40 //_____________________________________________________________________________
  41   void AliTOFReconstructor::Reconstruct(AliRunLoader* runLoader) const
  42 {
  43 // reconstruct clusters from digits
  44
  45   AliTOFClusterFinder *tofClus = new AliTOFClusterFinder(runLoader);
  46   tofClus->Load();
  47   for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++)
  48     {
  49       tofClus->Digits2RecPoints(iEvent);
  50     }
  51   tofClus->UnLoad();
  52
  53 }
  54
  55 //_____________________________________________________________________________
  56 void AliTOFReconstructor::Reconstruct(AliRunLoader* runLoader,
  57                                       AliRawReader *rawReader) const
  58 {
  59 // reconstruct clusters from Raw Data
  60
  61   AliTOFClusterFinder tofClus(runLoader);
  62   tofClus.LoadClusters();
  63   Int_t iEvent = 0;
  64   while (rawReader->NextEvent()) {
  65     tofClus.Digits2RecPoints(iEvent,rawReader);
  66     //tofClus.Raw2Digits(iEvent,rawReader); // temporary solution
  67     iEvent++;
  68   }
  69   tofClus.UnLoadClusters();
  70
  71 }
  72
  73 //_____________________________________________________________________________
  74 void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader,
  75                                       TTree *clustersTree) const
  76 {
  77 // reconstruct clusters from Raw Data
  78
  79   AliTOFClusterFinder tofClus;
  80   tofClus.Digits2RecPoints(rawReader, clustersTree);
  81
  82 }
  83
  84 //_____________________________________________________________________________
  85 AliTracker* AliTOFReconstructor::CreateTracker(AliRunLoader* runLoader) const
  86 {
  87 // create a TOF tracker
  88
  89   AliTOFGeometry* geom = GetTOFGeometry(runLoader);
  90   if (!geom) return NULL;
  91   Double_t parPID[] = {130., 5.};
  92   TString selectedTracker = GetOption();
  93   // use MI tracker if selected
  94   if (selectedTracker.Contains("MI")) return new AliTOFtrackerMI(geom,parPID);
  95
  96   return new AliTOFtracker(geom, parPID);
  97 }
  98
  99 //_____________________________________________________________________________
 100 void AliTOFReconstructor::FillESD(AliRunLoader* /*runLoader*/,
 101                                   AliESD* /*esd*/) const
 102 {
 103 // nothing to be done
 104
 105 }
 106
 107 //_____________________________________________________________________________
 108 AliTOFGeometry* AliTOFReconstructor::GetTOFGeometry(AliRunLoader* runLoader) const
 109 {
 110 // get the TOF parameters
 111
 112   runLoader->CdGAFile();
 113   AliTOFGeometry* tofGeom = (AliTOFGeometry*) gFile->Get("TOFGeometry");
 114   if (!tofGeom) {
 115     AliError("no TOF geometry available");
 116     return NULL;
 117   }
 118   return tofGeom;
 119 }