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geant4/examples/extended/biasing/GB05/exampleGB05.cc
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2025-03-24 16:45:22 +01:00

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//
// ********************************************************************
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// * *
// * The Geant4 software is copyright of the Copyright Holders of *
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// * conditions of the Geant4 Software License, included in the file *
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//
//
/// \file exampleGB05.cc
/// \brief Main program of example GB05
#include "FTFP_BERT.hh"
#include "GB05ActionInitialization.hh"
#include "GB05DetectorConstruction.hh"
#include "GB05PrimaryGeneratorAction.hh"
#include "G4GenericBiasingPhysics.hh"
#include "G4RunManagerFactory.hh"
#include "G4Types.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
namespace
{
void PrintUsage()
{
G4cerr << " Usage: " << G4endl;
G4cerr << " ./exampleGB05 [-m macro ] "
<< " [-b biasing {'on','off'}]"
<< "\n or\n ./exampleGB05 [macro.mac]" << G4endl;
}
} // namespace
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
int main(int argc, char** argv)
{
// Evaluate arguments
//
if (argc > 5) {
PrintUsage();
return 1;
}
G4String macro("");
G4String onOffBiasing("");
if (argc == 2)
macro = argv[1];
else {
for (G4int i = 1; i < argc; i = i + 2) {
if (G4String(argv[i]) == "-m")
macro = argv[i + 1];
else if (G4String(argv[i]) == "-b")
onOffBiasing = argv[i + 1];
else {
PrintUsage();
return 1;
}
}
}
if (onOffBiasing == "") onOffBiasing = "on";
// Instantiate G4UIExecutive if interactive mode
G4UIExecutive* ui = nullptr;
if (macro == "") {
ui = new G4UIExecutive(argc, argv);
}
// -- Construct the run manager : MT or sequential one
auto* runManager = G4RunManagerFactory::CreateRunManager();
runManager->SetNumberOfThreads(4);
G4bool biasingFlag = ( onOffBiasing == "on");
// -- Set mandatory initialization classes
GB05DetectorConstruction* detector = new GB05DetectorConstruction(biasingFlag);
runManager->SetUserInitialization(detector);
// -- Select a physics list:
FTFP_BERT* physicsList = new FTFP_BERT;
if (biasingFlag) {
// -- and augment it with biasing facilities:
G4GenericBiasingPhysics* biasingPhysics = new G4GenericBiasingPhysics();
biasingPhysics->BeVerbose();
biasingPhysics->Bias("neutron");
physicsList->RegisterPhysics(biasingPhysics);
G4cout << " ********************************************************* " << G4endl;
G4cout << " ********** processes are wrapped for biasing ************ " << G4endl;
G4cout << " ********************************************************* " << G4endl;
}
else {
G4cout << " ************************************************* " << G4endl;
G4cout << " ********** processes are not wrapped ************ " << G4endl;
G4cout << " ************************************************* " << G4endl;
}
runManager->SetUserInitialization(physicsList);
// -- Action initialization:
runManager->SetUserInitialization(new GB05ActionInitialization);
// Initialize G4 kernel
runManager->Initialize();
// Initialize visualization
G4VisManager* visManager = new G4VisExecutive;
// G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
visManager->Initialize();
// Get the pointer to the User Interface manager
G4UImanager* UImanager = G4UImanager::GetUIpointer();
if (!ui) // batch mode
{
G4String command = "/control/execute ";
UImanager->ApplyCommand(command + macro);
}
else { // interactive mode : define UI session
UImanager->ApplyCommand("/control/execute vis.mac");
// if (ui->IsGUI())
// UImanager->ApplyCommand("/control/execute gui.mac");
ui->SessionStart();
delete ui;
}
delete visManager;
delete runManager;
return 0;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....