//Felix Boehmer, 26.3.2012
//Standard macro using DPMDirect
void runSimSpaceCharge(unsigned int nEvents=10, TString outFile="MC_spaceCharge",
		       UInt_t seed = 0,
		       unsigned int mode = 1, double thMin = 1.E-2,
		       Float_t mom = 3.672 ){ 

  gRandom->SetSeed(seed);

  TStopwatch timer;
  timer.Start();
  gDebug=0;
  // Load basic libraries
  // If it does not work,  please check the path of the libs and put it by hands
  // gROOT->LoadMacro("$VMCWORKDIR/gconfig/rootlogon.C");
  // rootlogon();
  
  TString digiFile = "tpc.par";
  
  outFile.Append("_mode");
  char bufferMode[2];
  sprintf(bufferMode, "%i",mode);
  outFile.Append(bufferMode);
  outFile.Append("_mom");
  char bufferMom[10];
  sprintf(bufferMom, "%.3f",mom);
  outFile.Append(bufferMom);
  outFile.Append("_thMin");
  char bufferth[10];
  sprintf(bufferth, "%.3f",thMin);
  outFile.Append(bufferth);  
  outFile.Append(".mc.root");
   
  TString parFile = outFile;
  parFile.ReplaceAll(".mc.root",".par.root");
  TString mcMode = "TGeant3";
  FairRunSim *fRun = new FairRunSim();

  // set the MC version used
  // ------------------------

  fRun->SetName(mcMode);
  fRun->SetOutputFile(outFile); 

  // Set the parameters
  //-------------------------------
  TString allDigiFile = gSystem->Getenv("VMCWORKDIR");
  allDigiFile += "/tpc/parfiles/";
  allDigiFile += digiFile;
 
  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
  FairParAsciiFileIo* parIo1 = new FairParAsciiFileIo();
  parIo1->open(allDigiFile.Data(),"in");
  rtdb->setFirstInput(parIo1);        
  Bool_t kParameterMerged=kTRUE;
	
  FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
  output->open(parFile);
  rtdb->setOutput(output);
  
  // Set Material file Name
  //-----------------------
  fRun->SetMaterials("media_pnd.geo");

  // Create and add detectors
  //-------------------------
  FairModule *Cave= new PndCave("CAVE");
  Cave->SetGeometryFileName("pndcave.geo");
  fRun->AddModule(Cave); 

  FairModule *Magnet= new PndMagnet("MAGNET");
  //Magnet->SetGeometryFileName("FullSolenoid_V842.root");
  Magnet->SetGeometryFileName("FullSuperconductingSolenoid_v831.root");
  fRun->AddModule(Magnet);

  FairModule *Pipe= new PndPipe("PIPE");
  fRun->AddModule(Pipe);
  
  // FairDetector *Mvd = new PndMvdDetector("MVD", kTRUE);
  // Mvd->SetGeometryFileName("Mvd-2.1_FullVersion.root");
  // fRun->AddModule(Mvd);

  TpcDetector *Tpc = new TpcDetector("TPC", kTRUE);
  Tpc->SetGeometryFileName("TPC_V1.1.root");
  if(mcMode=="TGeant3")  Tpc->SetAliMC();
  fRun->AddModule(Tpc);

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

  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
  fRun->SetGenerator(primGen);

  //thMin was set to 2. as default in the pandaroot version of this macro ... ?
  //PndDpmDirect *dpmGen = new PndDpmDirect(mom,mode, gRandom->GetSeed(), thMin);
  //primGen->AddGenerator(dpmGen);

  FairBoxGenerator* boxGen = new FairBoxGenerator(11, 1); 
  boxGen->SetPRange(0.2,2); // GeV/c
  boxGen->SetPhiRange(0, 360); // Azimuth angle range [degree]
  boxGen->SetThetaRange(0,360); // Polar angle in lab system range [degree]
  boxGen->SetXYZ(0., 0., 0.); 
  primGen->AddGenerator(boxGen);
  

  // Create and Set Magnetic Field
  //-------------------------------
  fRun->SetBeamMom(15);
  PndMultiField *fField= new PndMultiField("FULL");
  fRun->SetField(fField);

 
  
  /**Initialize the session*/
  fRun->Init();
  
  rtdb->setOutput(output);
  rtdb->saveOutput();
  rtdb->print();

  // Transport nEvents
  // -----------------
  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);
  std::cout<<"Generated Output: "<<outFile.Data()<<std::endl;

}