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