eventgenerator/userPrimaryGenerator/userPrimaryGenerator.cc

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0025 //
0026 /// \file userPrimaryGenerator.cc
0027 /// \brief Main program of the eventgenerator/userPrimaryGenerator example
0028
0029 #include "DetectorConstruction.hh"
0030 #include "PhysicsList.hh"
0031 #include "PrimaryGeneratorAction.hh"
0032
0033 #include "G4RunManager.hh"
0034 #include "G4SteppingVerbose.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 = 0;
0046   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0047
0048   // choose the Random engine
0049   CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);
0050
0051   // use G4SteppingVerboseWithUnits
0052   G4int precision = 4;
0053   G4SteppingVerbose::UseBestUnit(precision);
0054
0055   // construct the default run manager
0056   G4RunManager* runManager = new G4RunManager;
0057
0058   // set mandatory initialization classes
0059   //
0060   runManager->SetUserInitialization(new DetectorConstruction);
0061   runManager->SetUserInitialization(new PhysicsList);
0062
0063   runManager->SetUserAction(new PrimaryGeneratorAction);
0064
0065   // initialize visualization
0066   G4VisManager* visManager = nullptr;
0067
0068   // get the pointer to the User Interface manager
0069   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0070
0071   if (ui) {
0072     // interactive mode
0073     visManager = new G4VisExecutive;
0074     visManager->Initialize();
0075     UImanager->ApplyCommand("/control/execute vis.mac");
0076     ui->SessionStart();
0077     delete ui;
0078   }
0079   else {
0080     // batch mode
0081     G4String command = "/control/execute ";
0082     G4String fileName = argv[1];
0083     UImanager->ApplyCommand(command + fileName);
0084   }
0085
0086   // job termination
0087   delete visManager;
0088   delete runManager;
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....