// Macro for running Cbm  with Geant3  or Geant4 (M. Al-Turany , D. Bertini)
// Modified 22/06/2005 D.Bertini
{
  TStopwatch timer;
  timer.Start();
  gDebug=0;
  // Load basic libraries
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/basiclibs.C");
  basiclibs();

  // Load this example libraries
  gSystem->Load("libGeoBase");
  gSystem->Load("libParBase");
  gSystem->Load("libBase");
  gSystem->Load("libField"); 
  gSystem->Load("libMCStack");
  gSystem->Load("libPassive");
  gSystem->Load("libStt");
  gSystem->Load("libGen");

  CbmRunSim *fRun = new CbmRunSim();
  
  // set the MC version used
  // ------------------------

  fRun->SetName("TGeant3");
  // Choose the Geant Navigation System
  // fRun->SetGeoModel("G3Native");
  
  fRun->SetOutputFile("testrun45.root");

  // -----   Magnetic field   -------------------------------------------
  // Constant Field
  PndConstField *fMagField = new PndConstField();
  fMagField->SetField(0., 0. ,20. ); // values are in kG
  fMagField->SetFieldRegion(-50, 50,-50, 50, -100, 100);// values are in cm (xmin,xmax,ymin,ymax,zmin,zmax)
  fRun->SetField(fMagField);
  // --------------------------------------------------------------------

  // Set Material file Name
  //-----------------------
  fRun->SetMaterials("media_pnd.geo");
  
  // Create and add detectors
  //-------------------------
  CbmModule *Cave= new CbmCave("CAVE");
  Cave->SetGeometryFileName("cave.geo");
  fRun->AddModule(Cave);

  CbmDetector *Stt= new CbmStt("STT", kTRUE);
  Stt->SetGeometryFileName("straws_skewed_blocks.geo");
  fRun->AddModule(Stt);

  // Create and Set Event Generator
  //-------------------------------

  CbmPrimaryGenerator* primGen = new CbmPrimaryGenerator();
  fRun->SetGenerator(primGen);
  
  // Box Generator
  CbmBoxGenerator* boxGen = new CbmBoxGenerator(13, 1); // 13 = muon; 1 = multipl.
  boxGen->SetPRange(1.,1.); // GeV/c //setPRange vs setPtRange
  boxGen->SetPhiRange(0, 360); // Azimuth angle range [degree]
  boxGen->SetThetaRange(0, 180); // Polar angle in lab system range [degree]
  // boxGen->SetXYZ(0., 0.37, 0.); 
  primGen->AddGenerator(boxGen);
  
  fRun->SetStoreTraj(kTRUE);
  
  fRun->Init();


 // -Trajectories Visualization (TGeoManager Only )
 // -----------------------------------------------

;
 // Set cuts for storing the trajectpries
  /* CbmTrajFilter* trajFilter = CbmTrajFilter::Instance();
     trajFilter->SetStepSizeCut(0.01); // 1 cm
     trajFilter->SetVertexCut(-2000., -2000., 4., 2000., 2000., 100.);
     trajFilter->SetMomentumCutP(10e-3); // p_lab > 10 MeV
     trajFilter->SetEnergyCut(0., 1.02); // 0 < Etot < 1.04 GeV
     trajFilter->SetStorePrimaries(kTRUE);
     trajFilter->SetStoreSecondaries(kTRUE);
   */


  // Fill the Parameter containers for this run
  //-------------------------------------------

  CbmRuntimeDb *rtdb=fRun->GetRuntimeDb();
  Bool_t kParameterMerged=kTRUE;
  CbmParRootFileIo* output=new CbmParRootFileIo(kParameterMerged);
  output->open("parfiles/testparams.root");
  rtdb->setOutput(output);

  PndConstPar* fieldPar = (PndConstPar*) rtdb->getContainer("PndConstPar");
  if ( fMagField ) {  fieldPar->SetParameters(fMagField); }
  fieldPar->setInputVersion(fRun->GetRunId(),1);
  fieldPar->setChanged(kTRUE);


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

  // Transport nEvents
  // -----------------

  Int_t nEvents = 1000;
  fRun->Run(nEvents);



  timer.Stop();
  Double_t rtime = timer.RealTime();
  Double_t ctime = timer.CpuTime();
 printf("RealTime=%f seconds, CpuTime=%f seconds\n",rtime,ctime);
}