// --------------------------------------------------------------
//
// Macro for standard transport delta simulation using GEANT3
// CBM setup with MVD only
//
// P.Sitzmann  04/09/2014
//
// --------------------------------------------------------------------------

void mvd_transDelta(Int_t nEvents = 5000, Int_t ProcID = 1)
{
  // ========================================================================
  //          Adjust this part according to your requirements

  TString setup = "sis100_electron";
  // Output path  
  TString outpath ="/hera/cbm/users/psitzmann/data/";

  //output file
  TString outfile = Form("mvd.mc.delta.ni.%i.root",ProcID);

  //output filename
  TString outFile = outpath + outfile;

  // Parameter file name
  TString parFile = outpath + "params.root";
   TString inDir = gSystem->Getenv("VMCWORKDIR");                                       

  TString setupFile = inDir + "/geometry/setup/" + setup + "_setup.C";
  TString setupFunct = setup;
  setupFunct += "_setup()";
  
  gROOT->LoadMacro(setupFile);
  gInterpreter->ProcessLine(setupFunct);

  gRandom->SetSeed(0);


  // In general, the following parts need not be touched
  // ========================================================================

  // ----    Debug option   -------------------------------------------------
  gDebug = 0;
  // ------------------------------------------------------------------------

  // -----   Timer   --------------------------------------------------------
  TStopwatch timer;
  timer.Start();
  // ------------------------------------------------------------------------
 
  // -----   Create simulation run   ----------------------------------------
  FairRunSim* fRun = new FairRunSim();
  fRun->SetName("TGeant3");              // Transport engine
  fRun->SetOutputFile(outFile);          // Output file
  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
  // ------------------------------------------------------------------------


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


  // -----   Create geometry   ----------------------------------------------
  FairModule* cave= new CbmCave("CAVE");
  cave->SetGeometryFileName(caveGeom);
  fRun->AddModule(cave);

  FairModule* pipe= new CbmPipe("PIPE");
  pipe->SetGeometryFileName(pipeGeom);
  fRun->AddModule(pipe);

  FairModule* target= new CbmTarget(58, 0.25);
  fRun->AddModule(target)
  

  FairModule* magnet= new CbmMagnet("MAGNET");
  magnet->SetGeometryFileName(magnetGeom);
  fRun->AddModule(magnet);

  FairDetector* mvd= new CbmMvd("MVD", kTRUE);
  mvd->SetGeometryFileName(mvdGeom);
  mvd->SetMotherVolume("pipevac1");
  fRun->AddModule(mvd);

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


    // -----   Create magnetic field   ---------------------------------------
  if ( 2 == fieldSymType ) {
    CbmFieldMap* magField = new CbmFieldMapSym2(fieldMap);
  }  else if ( 3 == fieldSymType ) {
    CbmFieldMap* magField = new CbmFieldMapSym3(fieldMap);
  } 
  magField->SetPosition(0., 0., fieldZ);
  magField->SetScale(fieldScale);
  fRun->SetField(magField);
  // ------------------------------------------------------------------------

  FairIon *fIon = new FairIon("My_Ni", 58, 59, 79, 15., 58.693);
  fRun->AddNewIon(fIon);

  // -----   Create PrimaryGenerator   --------------------------------------
  FairPrimaryGenerator* primGen   = new FairPrimaryGenerator();
  FairIonGenerator*     fIongen   = new FairIonGenerator(58, 59, 58,1, 0.,0., 15, 0.,0.,-1.);
  primGen->AddGenerator(fIongen);
  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;
  FairParRootFileIo* parOut = new FairParRootFileIo(kParameterMerged);
  parOut->open(parFile.Data());
  rtdb->setOutput(parOut);
  rtdb->saveOutput();
  rtdb->print();
  // ------------------------------------------------------------------------


 
  // -----   Start run   ----------------------------------------------------
  fRun->Run(nEvents);
  // ------------------------------------------------------------------------


  // -----   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 << endl;
  // ------------------------------------------------------------------------

  cout << " Test passed" << endl;
  cout << " All ok " << endl;

}