{
  gDebug = 0;

  Int_t   nEvents   = 1;
  TString inFile    = "/d/cbm03/urqmd/auau/25gev/centr/urqmd.auau.25gev.centr.0000.ftn14";
  TString outFile   = "data/mc.root";
  TString parFile   = "data/par.root";
  TString plutoFile = "data/jpsi.root";
                          
  // -----  Geometries  -----------------------------------------------------
  TString caveGeom   = "cave.geo";
  TString targetGeom = "target.geo";
  TString pipeGeom   = "pipe_standard.geo";
  TString magnetGeom = "magnet_active.geo";
  TString mvdGeom    = "mvd_standard.geo";
  TString stsGeom    = "sts_allstrips.geo";
  TString muchGeom   = "../much/geometry/much_compact.geo";
  
  // -----   Magnetic field   -----------------------------------------------
  TString fieldMap    = "FieldActive";   // name of field map
  Double_t fieldZ     = 50.;             // field centre z position
  Double_t fieldScale =  1.;             // field scaling factor

  // ----  Load libraries   -------------------------------------------------
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/basiclibs.C");
  basiclibs();
  gSystem->Load("libGeoBase");
  gSystem->Load("libParBase");
  gSystem->Load("libBase");
  gSystem->Load("libCbmBase");
  gSystem->Load("libField");
  gSystem->Load("libGen");
  gSystem->Load("libPassive");
  gSystem->Load("libMvd");
  gSystem->Load("libSts");
  gSystem->Load("libMuch");
  // -----------------------------------------------------------------------

  // -----   Create simulation run   ----------------------------------------
  CbmRunSim* fRun = new CbmRunSim();
  fRun->SetName("TGeant3");              // Transport engine
  fRun->SetOutputFile(outFile);          // Output file
  CbmRuntimeDb* rtdb = fRun->GetRuntimeDb();
  // ------------------------------------------------------------------------

  // -----   Create media   -------------------------------------------------
  fRun->SetMaterials("media.geo");       // Materials
  // ------------------------------------------------------------------------

  // -----   Create detectors and passive volumes   -------------------------
  if ( caveGeom != "" ) {
    CbmModule* cave = new CbmCave("CAVE");
    cave->SetGeometryFileName(caveGeom);
    fRun->AddModule(cave);
  }

  if ( pipeGeom != "" ) {
    CbmModule* pipe = new CbmPipe("PIPE");
    pipe->SetGeometryFileName(pipeGeom);
    fRun->AddModule(pipe);
  }
  
  if ( targetGeom != "" ) {
    CbmModule* target = new CbmTarget("Target");
    target->SetGeometryFileName(targetGeom);
    fRun->AddModule(target);
  }

  if ( magnetGeom != "" ) {
    CbmModule* magnet = new CbmMagnet("MAGNET");
    magnet->SetGeometryFileName(magnetGeom);
    fRun->AddModule(magnet);
  }
  
  if ( mvdGeom != "" ) {
    CbmDetector* mvd = new CbmMvd("MVD", kTRUE);
    mvd->SetGeometryFileName(mvdGeom);
    fRun->AddModule(mvd);
  }

  if ( stsGeom != "" ) {
    CbmDetector* sts = new CbmSts("STS", kTRUE);
    sts->SetGeometryFileName(stsGeom);
    fRun->AddModule(sts);
  }
  
  if ( muchGeom != "" ) {
    CbmDetector* much = new CbmMuch("MUCH", kTRUE);
    much->SetGeometryFileName(muchGeom);
    fRun->AddModule(much);
  }
  // ------------------------------------------------------------------------

  // -----   Create magnetic field   ----------------------------------------
  CbmFieldMap* magField = NULL;
  if ( fieldMap == "FieldActive" || fieldMap == "FieldIron")
    magField = new CbmFieldMapSym3(fieldMap);
  else if ( fieldMap == "FieldAlligator" )
    magField = new CbmFieldMapSym2(fieldMap);
  else {
    cout << "===> ERROR: Field map " << fieldMap << " unknown! " << endl;
    exit;
  }
  magField->SetPosition(0., 0., fieldZ);
  magField->SetScale(fieldScale);
  fRun->SetField(magField);
  // ------------------------------------------------------------------------


  // -----   Create PrimaryGenerator   --------------------------------------
  CbmPrimaryGenerator* primGen = new CbmPrimaryGenerator();
  CbmPlutoGenerator *plutoGen= new CbmPlutoGenerator(plutoFile);
  CbmUrqmdGenerator*  urqmdGen = new CbmUrqmdGenerator(inFile);
  primGen->AddGenerator(plutoGen);
  primGen->AddGenerator(urqmdGen);
  fRun->SetGenerator(primGen);       
  // ------------------------------------------------------------------------
 
  // -----   Run initialisation   -------------------------------------------
  fRun->Init();
  // ------------------------------------------------------------------------

  // -----   Runtime database   ---------------------------------------------
  CbmFieldPar* fieldPar = (CbmFieldPar*) rtdb->getContainer("CbmFieldPar");
  fieldPar->SetParameters(magField);
  fieldPar->setChanged();
  fieldPar->setInputVersion(fRun->GetRunId(),1);
  Bool_t kParameterMerged = kTRUE;
  CbmParRootFileIo* parOut = new CbmParRootFileIo(kParameterMerged);
  parOut->open(parFile.Data());
  rtdb->setOutput(parOut);
  rtdb->saveOutput();
  rtdb->print();
  // ------------------------------------------------------------------------

  fRun->Run(nEvents);
}