electromagnetic/TestEm14/TestEm14.cc

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0025 //
0026 /// \file electromagnetic/TestEm14/TestEm14.cc
0027 /// \brief Main program of the electromagnetic/TestEm14 example
0028 //
0029 //
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0032
0033 #include "ActionInitialization.hh"
0034 #include "DetectorConstruction.hh"
0035 #include "PhysicsList.hh"
0036
0037 #include "G4RunManagerFactory.hh"
0038 #include "G4SteppingVerbose.hh"
0039 #include "G4Types.hh"
0040 #include "G4UIExecutive.hh"
0041 #include "G4UImanager.hh"
0042 #include "G4VisExecutive.hh"
0043 #include "Randomize.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 int main(int argc, char** argv)
0048 {
0049   // detect interactive mode (if no arguments) and define UI session
0050   G4UIExecutive* ui = nullptr;
0051   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0052
0053   // choose the Random engine
0054   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0055
0056   // Use SteppingVerbose with Unit
0057   G4int precision = 4;
0058   G4SteppingVerbose::UseBestUnit(precision);
0059
0060   // Creating run manager
0061   auto runManager = G4RunManagerFactory::CreateRunManager();
0062
0063   if (argc == 3) {
0064     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0065     runManager->SetNumberOfThreads(nThreads);
0066   }
0067
0068   // set mandatory initialization classes
0069   DetectorConstruction* det = new DetectorConstruction;
0070   runManager->SetUserInitialization(det);
0071   runManager->SetUserInitialization(new PhysicsList);
0072   runManager->SetUserInitialization(new ActionInitialization(det));
0073
0074   // initialize visualization
0075   G4VisManager* visManager = nullptr;
0076
0077   // get the pointer to the User Interface manager
0078   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0079
0080   if (ui) {
0081     // interactive mode
0082     visManager = new G4VisExecutive;
0083     visManager->Initialize();
0084     ui->SessionStart();
0085     delete ui;
0086   }
0087   else {
0088     // batch mode
0089     G4String command = "/control/execute ";
0090     G4String fileName = argv[1];
0091     UImanager->ApplyCommand(command + fileName);
0092   }
0093
0094   // job termination
0095   delete visManager;
0096   delete runManager;
0097 }
0098
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