medical/electronScattering2/electronScattering2.cc

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0025 //
0026 //
0027 /// \file medical/electronScattering2/electronScattering2.cc
0028 /// \brief Main program of the medical/electronScattering2 example
0029 #include "ElectronActionInitialization.hh"
0030 #include "ElectronBenchmarkDetector.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4Types.hh"
0035 #include "G4UIExecutive.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4VisExecutive.hh"
0038 #include "Randomize.hh"
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041
0042 int main(int argc, char** argv)
0043 {
0044   // detect interactive mode (if no arguments) and define UI session
0045   G4UIExecutive* ui = nullptr;
0046   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0047
0048   // Parse the arguments
0049   G4String outputFile = "output.csv";
0050   G4String startingSeed = "1";
0051   G4String macroFile = "None";
0052   if (argc > 1) macroFile = argv[1];
0053   if (argc > 2) startingSeed = argv[2];
0054   if (argc > 3) outputFile = argv[3];
0055   G4cout << "Starting run with" << G4endl;
0056   G4cout << "Macro File    : " << macroFile << G4endl;
0057   G4cout << "Starting Seed : " << startingSeed << G4endl;
0058   G4cout << "Output File   : " << outputFile << G4endl;
0059
0060   // Instantiate the run manager
0061   auto* runManager = G4RunManagerFactory::CreateRunManager();
0062
0063   // Instantiate the random engine
0064   G4Random::setTheEngine(new CLHEP::MTwistEngine);
0065
0066   // Convert the starting seed to integer and feed it to the random engine
0067   unsigned startingSeedInt;
0068   std::istringstream is(startingSeed);
0069   is >> startingSeedInt;
0070   G4Random::setTheSeed(startingSeedInt);
0071
0072   // Instantiate the geometry
0073   runManager->SetUserInitialization(new ElectronBenchmarkDetector);
0074
0075   // Instantiate the physics list (in turn calls one of the choices of
0076   // physics list)
0077   runManager->SetUserInitialization(new PhysicsList);
0078
0079   // set user action classes
0080   runManager->SetUserInitialization(new ElectronActionInitialization(outputFile));
0081
0082   // initialize visualization
0083   G4VisManager* visManager = nullptr;
0084
0085   // get the pointer to the User Interface manager
0086   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0087
0088   if (ui) {
0089     // interactive mode
0090     visManager = new G4VisExecutive;
0091     visManager->Initialize();
0092     ui->SessionStart();
0093     delete ui;
0094   }
0095   else {
0096     // batch mode
0097     G4String command = "/control/execute ";
0098     G4String fileName = argv[1];
0099     UImanager->ApplyCommand(command + fileName);
0100   }
0101
0102   // job termination
0103   delete visManager;
0104   delete runManager;
0105 }
0106
0107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......