electromagnetic/TestEm8/TestEm8.cc

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0025 //
0026 /// \file TestEm8.cc
0027 /// \brief Main program of the electromagnetic/TestEm8 example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4UIExecutive.hh"
0035 #include "G4UIcommand.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4VisExecutive.hh"
0038
0039 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0040
0041 int main(int argc, char** argv)
0042 {
0043   // detect interactive mode (if no arguments) and define UI session
0044   G4UIExecutive* ui = nullptr;
0045   if (argc == 1) {
0046     ui = new G4UIExecutive(argc, argv);
0047   }
0048
0049   auto* runManager = G4RunManagerFactory::CreateRunManager();
0050   // Number of threads can be defined via 3rd argument
0051   G4int nThreads = 2;
0052   if (argc == 3) {
0053     if (G4String(argv[2]) == "NMAX") {
0054       nThreads = G4Threading::G4GetNumberOfCores();
0055     }
0056     else {
0057       nThreads = G4UIcommand::ConvertToInt(argv[2]);
0058     }
0059   }
0060   else if (argc == 1) {
0061     nThreads = 1;
0062   }
0063   if (nThreads > 0) {
0064     runManager->SetNumberOfThreads(nThreads);
0065   }
0066
0067   // set mandatory initialization classes
0068   DetectorConstruction* det = new DetectorConstruction();
0069   runManager->SetUserInitialization(det);
0070   runManager->SetUserInitialization(new PhysicsList(det));
0071
0072   // set user action classes
0073   runManager->SetUserInitialization(new ActionInitialization());
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
0100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......