electromagnetic/TestEm4/TestEm4.cc

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0025 //
0026 /// \file TestEm4.cc
0027 /// \brief Main program of the electromagnetic/TestEm4 example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4SteppingVerbose.hh"
0035 #include "G4Types.hh"
0036 #include "G4UIExecutive.hh"
0037 #include "G4UImanager.hh"
0038 #include "G4VisExecutive.hh"
0039 #include "Randomize.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 int main(int argc, char** argv)
0044 {
0045   // detect interactive mode (if no arguments) and define UI session
0046   G4UIExecutive* ui = nullptr;
0047   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0048
0049   // choose the Random engine
0050   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0051
0052   // Use SteppingVerbose with Unit
0053   G4int precision = 4;
0054   G4SteppingVerbose::UseBestUnit(precision);
0055
0056   // construct the run manager
0057   auto runManager = G4RunManagerFactory::CreateRunManager();
0058   if (argc == 3) {
0059     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0060     runManager->SetNumberOfThreads(nThreads);
0061   }
0062   // set mandatory initialization classes
0063   runManager->SetUserInitialization(new DetectorConstruction);
0064   runManager->SetUserInitialization(new PhysicsList);
0065
0066   // set user action classes
0067   runManager->SetUserInitialization(new ActionInitialization());
0068
0069   // Initialize G4 kernel
0070   runManager->Initialize();
0071
0072   // initialize visualization
0073   G4VisManager* visManager = nullptr;
0074
0075   // get the pointer to the User Interface manager
0076   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0077
0078   if (ui) {
0079     // interactive mode
0080     visManager = new G4VisExecutive;
0081     visManager->Initialize();
0082     ui->SessionStart();
0083     delete ui;
0084   }
0085   else {
0086     // batch mode
0087     G4String command = "/control/execute ";
0088     G4String fileName = argv[1];
0089     UImanager->ApplyCommand(command + fileName);
0090   }
0091
0092   // job termination
0093   delete visManager;
0094   delete runManager;
0095 }
0096
0097 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......