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geant4/examples/extended/biasing/GB03/exampleGB03.cc
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2020-12-04 12:30:43 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
#include "G4Types.hh"
#include "G4RunManagerFactory.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "GB03DetectorConstruction.hh"
#include "GB03PrimaryGeneratorAction.hh"
#include "GB03ActionInitialization.hh"
#include "FTFP_BERT.hh"
#include "G4GenericBiasingPhysics.hh"
int main(int argc,char** argv)
{
// Instantiate G4UIExecutive if interactive mode
G4UIExecutive* ui = nullptr;
if ( argc == 1 ) {
ui = new G4UIExecutive(argc, argv);
}
// -- Construct the run manager : MT or sequential one
auto* runManager = G4RunManagerFactory::CreateRunManager();
runManager->SetNumberOfThreads(4);
// -- Set mandatory initialization classes
G4VUserDetectorConstruction* detector = new GB03DetectorConstruction;
runManager->SetUserInitialization(detector);
G4VModularPhysicsList* physicsList = new FTFP_BERT;
// -- Setup biasing for neutron only. As will not bias any
// -- physics process, require the G4GenericBiasingPhysics()
// -- to modify the physics list just for "non-physics" biasing:
G4GenericBiasingPhysics* biasingPhysics = new G4GenericBiasingPhysics();
biasingPhysics->NonPhysicsBias("neutron");
physicsList->RegisterPhysics(biasingPhysics);
runManager->SetUserInitialization(physicsList);
// -- Set user action initialization class
G4VUserActionInitialization* actions = new GB03ActionInitialization;
runManager->SetUserInitialization(actions);
// Visualization manager
//
G4VisManager* visManager = new G4VisExecutive;
visManager->Initialize();
// Initialize G4 kernel
//
runManager->Initialize();
// Get the pointer to the User Interface manager
//
G4UImanager* UImanager = G4UImanager::GetUIpointer();
if (ui) // Define UI session for interactive mode
{
UImanager->ApplyCommand("/control/execute vis.mac");
ui->SessionStart();
delete ui;
}
else // Batch mode
{
G4String command = "/control/execute ";
G4String fileName = argv[1];
UImanager->ApplyCommand(command+fileName);
}
delete visManager;
delete runManager;
return 0;
}