{
  // ========================================================================
  // Verbosity level (0=quiet, 1=event level, 2=track level, 3=debug)
  Int_t iVerbose = 0;

  // Input file
  TString inDigiFile = "evt_digi_tpc.root";
  TString inSimFile = "evt_points_tpc.root";

  // Parameter file
  TString parFile = "evt_params_tpc.root";

  // Output file
  TString outFile = "evt_reco_tpc.root";

  // Number of events to process
  Int_t nEvents = 0;
 
  // ----  Load libraries   -------------------------------------------------
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/rootlogon.C");
  rootlogon();
  TString sysFile = gSystem->Getenv("VMCWORKDIR");
  // ------------------------------------------------------------------------
  // In general, the following parts need not be touched
  // ========================================================================

  // -----   Timer   --------------------------------------------------------
  TStopwatch timer;
  timer.Start();
  // ------------------------------------------------------------------------

  // -----   Digitization run   -------------------------------------------
  FairRunAna *fRun= new FairRunAna();
  fRun->SetInputFile(inDigiFile);
  fRun->AddFriend(inSimFile);
  fRun->SetOutputFile(outFile);
  FairGeane *Geane = new FairGeane();
  fRun->AddTask(Geane);
  // ------------------------------------------------------------------------

  // -----  Parameter database   --------------------------------------------
   TString allDigiFile = sysFile+"/macro/params/all.par";

  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
  FairParRootFileIo* parInput1 = new FairParRootFileIo();
  parInput1->open(parFile.Data());
	
  FairParAsciiFileIo* parIo1 = new FairParAsciiFileIo();
  parIo1->open(allDigiFile.Data(),"in");
        
  rtdb->setFirstInput(parInput1);
  rtdb->setSecondInput(parIo1);
  // ------------------------------------------------------------------------
 
  PndMvdRiemannTrackFinderTask* mvdTrackFinder = new PndMvdRiemannTrackFinderTask();
  mvdTrackFinder->SetVerbose(iVerbose);
  mvdTrackFinder->SetPersistence(kFALSE);
  mvdTrackFinder->SetMaxDist(0.05);
  fRun->AddTask(mvdTrackFinder);

  PndTpcClusterFinderTask* tpcCF = new PndTpcClusterFinderTask();
  //tpcCF->SetDigiPersistence(); // keep reference to digis in clusters
  tpcCF->SetPersistence(); // keep Clusters
  tpcCF->timeslice(4); //in samples
  tpcCF->SetThreshold(1);
  tpcCF->SetSingleDigiClusterAmpCut(0.);
  tpcCF->SetClusterAmpCut(0.); // cut on mean digi amplitude
  tpcCF->SetErrorPars(600.,400.);
  tpcCF->SetSimpleClustering(); // use PndTpcClusterFinderSimple
  fRun->AddTask(tpcCF);

  PndTpcRiemannTrackingTask* tpcSPR = new PndTpcRiemannTrackingTask();
  tpcSPR->SetSortingParameters(
                   true, // false: sort only according to _sorting (see next argument); true: use internal sorting when adding hits to trackcands
                   3,    // -1: no sorting, 0: sort Clusters by X, 1: Y, 2: Z, 3: R, 4: distance to origin
                   0.); // z-position of interaction point (for sorting 4)
  tpcSPR->SetTrkFinderParameters(
                   1.9,  // proximity cut in 3D
                   0.1, // proximity cut on rieman sphere
                   0.04, // distance to plane cut
                   0.2,  // szcut
                   4);   // minimum hits for plane & sz-fit
  tpcSPR->SetMergeTracks();
  tpcSPR->SetTrkMergerParameters(
                   2.2,  // proximity cut
                   0.33,  // sz cut
                   0.025);// plane cut (RMS)
  tpcSPR->SetRiemannScale(); // sets riemannscale for the prototype;
  tpcSPR->SetPersistence();
  //tpcSPR->SetStoreHistograms(PROutFile); //
  //tpcSPR->WriteHistograms(PROutFile);
  fRun->AddTask(tpcSPR);


  KalmanTask* kalman =new KalmanTask();
  kalman->SetPersistence();
  kalman->SetNumIterations(3); // number of fitting iterations (back and forth)
  fRun->AddTask(kalman);

  PndTpcResidualTask* Res = new PndTpcResidualTask();
  Res->SetPersistence();
  //SLres->SetClusterBranchName("PndTpcCluster_cut");
  fRun->AddTask(Res);

  /*
  PndRecoKalmanTask* recoKalman = new PndRecoKalmanTask();
  recoKalman->SetTrackInBranchName("SttMvdGemTrack");
  recoKalman->SetTrackOutBranchName("SttMvdGemGenTrack");
  recoKalman->SetBusyCut(50); // CHECK to be tuned
  //recoKalman->SetNumIterations(3);
  fRun->AddTask(recoKalman);

  PndMCTrackAssociator* trackMC = new PndMCTrackAssociator();
  trackMC->SetTrackInBranchName("SttMvdGemGenTrack"); 
  trackMC->SetTrackOutBranchName("SttMvdGemGenTrackID");
  fRun->AddTask(trackMC);
  */
  // -----   Intialise and run   --------------------------------------------
  PndEmcMapper::Init(6);
  fRun->Init();
  fRun->Run(0, nEvents);

  rtdb->saveOutput();
  rtdb->print();

  // ------------------------------------------------------------------------

  // -----   Finish   -------------------------------------------------------

  timer.Stop();
  Double_t rtime = timer.RealTime();
  Double_t ctime = timer.CpuTime();
  cout << endl << endl;
  cout << "Macro finished succesfully." << endl;
  cout << "Output file is "    << outFile << endl;
  cout << "Parameter file is " << parFile << endl;
  cout << "Real time " << rtime << " s, CPU time " << ctime << " s" << endl;
  cout << endl;
  // ------------------------------------------------------------------------


}