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 "AliTOFReconstructor.h"
  26 #include "AliRunLoader.h"
  27 #include "AliRun.h"
  28 #include "AliTOF.h"
  29 #include "AliTOFtracker.h"
  30
  31
  32 ClassImp(AliTOFReconstructor)
  33
  34
  35 //_____________________________________________________________________________
  36 void AliTOFReconstructor::Reconstruct(AliRunLoader* /*runLoader*/) const
  37 {
  38 // nothing to be done
  39
  40 }
  41
  42 //_____________________________________________________________________________
  43 AliTracker* AliTOFReconstructor::CreateTracker(AliRunLoader* runLoader) const
  44 {
  45 // create a TOF tracker
  46
  47   AliTOFGeometry* geom = GetTOFGeometry(runLoader);
  48   if (!geom) return NULL;
  49   Double_t parPID[] = {130., 5.};
  50   return new AliTOFtracker(geom, parPID);
  51 }
  52
  53 //_____________________________________________________________________________
  54 void AliTOFReconstructor::FillESD(AliRunLoader* /*runLoader*/,
  55                                   AliESD* /*esd*/) const
  56 {
  57 // nothing to be done
  58
  59 }
  60
  61
  62 //_____________________________________________________________________________
  63 AliTOFGeometry* AliTOFReconstructor::GetTOFGeometry(AliRunLoader* runLoader) const
  64 {
  65 // get the TOF parameters
  66
  67   if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
  68   if (!runLoader->GetAliRun()) {
  69     Error("GetTOFGeometry", "couldn't get AliRun object");
  70     return NULL;
  71   }
  72   AliTOF* tof = (AliTOF*) runLoader->GetAliRun()->GetDetector("TOF");
  73   if (!tof) {
  74     Error("GetTOFGeometry", "couldn't get TOF detector");
  75     return NULL;
  76   }
  77   if (!tof->GetGeometry()) {
  78     Error("GetTOFGeometry", "no TOF geometry available");
  79     return NULL;
  80   }
  81   return tof->GetGeometry();
  82 }