void rec() {
  AliReconstruction reco;

  reco.SetWriteESDfriend();
  reco.SetWriteAlignmentData();
  AliTPCReconstructor::SetStreamLevel(1);
  //  reco.SetRecoParam("ITS",AliITSRecoParam::GetLowFluxParam());
  reco.SetRecoParam("TPC",AliTPCRecoParam::GetLowFluxParam());
  reco.SetRecoParam("TRD",AliTRDrecoParam::GetLowFluxParam());
  reco.SetRecoParam("PHOS",AliPHOSRecoParam::GetDefaultParameters());
  reco.SetRecoParam("MUON",AliMUONRecoParam::GetLowFluxParam());
  //  AliTPCReconstructor::SetRecoParam(AliTPCRecoParam::GetLowFluxParam());
  //  reco.SetInput("raw.root");
  //  reco.SetRunReconstruction("ITS TPC TRD TOF HMPID PHOS EMCAL MUON T0 VZERO FMD PMD ZDC");
 
  AliCDBManager::Instance()->SetCacheFlag(kFALSE);
 
// **** The field map settings must be the same as in Config.C !
  AliMagFMaps *field=new AliMagFMaps("Maps","Maps",2,1.,10.,AliMagFMaps::k5kG);
  Bool_t uniform=kTRUE;
  AliTracker::SetFieldMap(field,uniform);

  TStopwatch timer;
  timer.Start();
  reco.Run();
  timer.Stop();
  timer.Print();
}