electromagnetic/TestEm3/TestEm3.cc

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0025 //
0026 /// \file electromagnetic/TestEm3/TestEm3.cc
0027 /// \brief Main program of the electromagnetic/TestEm3 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
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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) {
0052     ui = new G4UIExecutive(argc, argv);
0053   }
0054
0055   // Use SteppingVerbose with Unit
0056   G4int precision = 4;
0057   G4SteppingVerbose::UseBestUnit(precision);
0058
0059   // Creating run manager
0060   auto runManager = G4RunManagerFactory::CreateRunManager();
0061
0062   if (argc == 3) {
0063     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0064     runManager->SetNumberOfThreads(nThreads);
0065   }
0066
0067   // set mandatory initialization classes
0068   DetectorConstruction* detector = new DetectorConstruction;
0069   runManager->SetUserInitialization(detector);
0070   runManager->SetUserInitialization(new PhysicsList);
0071
0072   // set user action classes
0073   runManager->SetUserInitialization(new ActionInitialization(detector));
0074
0075   // initialize visualization
0076   G4VisManager* visManager = nullptr;
0077
0078   // get the pointer to the User Interface manager
0079   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0080
0081   if (ui) {
0082     // interactive mode
0083     visManager = new G4VisExecutive();
0084     visManager->Initialize();
0085     ui->SessionStart();
0086     delete ui;
0087   }
0088   else {
0089     // batch mode
0090     G4String command = "/control/execute ";
0091     G4String fileName = argv[1];
0092     UImanager->ApplyCommand(command + fileName);
0093   }
0094
0095   // job termination
0096   delete visManager;
0097   delete runManager;
0098 }
0099
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