Gabriele Cosmo
154 lines
6.1 KiB
C++
154 lines
6.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file Par01/examplePar01.cc
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/// \brief Main program of the Par01 example
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//
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//
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//
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//
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// --------------------------------------------------------------
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// Geant4 - examplePar01
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// --------------------------------------------------------------
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// Comments
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//
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// Example of a main program making use of parameterisation
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// i.e. "Fast Simulation"
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//-------------------------------------------------------------------
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#include "G4Types.hh"
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//---------------
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// -- Geometries:
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//---------------
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#include "Par01DetectorConstruction.hh"
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#include "Par01ParallelWorldForPion.hh"
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//---------------------------------------------------------------------
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// -- Physics list, and tool to modify it and activate fast simulation:
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//---------------------------------------------------------------------
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#include "FTFP_BERT.hh"
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#include "G4FastSimulationPhysics.hh"
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#include "G4RunManagerFactory.hh"
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#include "G4UImanager.hh"
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// ----------------------------------------------------------------
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// -- Action initialization (includes the primary generator action:
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// ----------------------------------------------------------------
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#include "Par01ActionInitialization.hh"
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#include "G4UIExecutive.hh"
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#include "G4VisExecutive.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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int main(int argc, char** argv)
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{
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// Instantiate G4UIExecutive if interactive mode
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G4UIExecutive* ui = nullptr;
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if (argc == 1) {
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ui = new G4UIExecutive(argc, argv);
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}
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//-------------------------------
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// Initialization of Run manager
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//-------------------------------
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auto* runManager = G4RunManagerFactory::CreateRunManager();
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runManager->SetNumberOfThreads(4);
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// -----------------------------------------------------
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// -- Detector/mass geometry and parallel geometry(ies):
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// -----------------------------------------------------
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// -- Mass geometry (ie : standard geometry):
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auto detector = new Par01DetectorConstruction();
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// -- Parallel geometry for pion parameterisation
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detector->RegisterParallelWorld(new Par01ParallelWorldForPion("pionGhostWorld"));
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// -- Passed to the run manager:
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runManager->SetUserInitialization(detector);
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// ----------------------------------------------
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// -- PhysicsList and fast simulation activation:
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// ----------------------------------------------
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// -- Create a physics list (note : FTFP_BERT is a G4VModularPhysicsList
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// -- which allows to use the subsequent G4FastSimulationPhysics tool to
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// -- activate the fast simulation):
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auto physicsList = new FTFP_BERT;
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// -- Create helper tool, used to activate the fast simulation:
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auto fastSimulationPhysics = new G4FastSimulationPhysics();
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fastSimulationPhysics->BeVerbose();
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// -- activation of fast simulation for particles having fast simulation models
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// -- attached in the mass geometry:
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fastSimulationPhysics->ActivateFastSimulation("e-");
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fastSimulationPhysics->ActivateFastSimulation("e+");
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fastSimulationPhysics->ActivateFastSimulation("gamma");
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// -- activation of fast simulation for particles having fast simulation models
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// -- attached in the parallel geometry:
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fastSimulationPhysics->ActivateFastSimulation("pi+", "pionGhostWorld");
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fastSimulationPhysics->ActivateFastSimulation("pi-", "pionGhostWorld");
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// -- Attach the fast simulation physics constructor to the physics list:
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physicsList->RegisterPhysics(fastSimulationPhysics);
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// -- Finally passes the physics list to the run manager:
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runManager->SetUserInitialization(physicsList);
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//-------------------------------
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// UserAction classes
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//-------------------------------
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runManager->SetUserInitialization(new Par01ActionInitialization);
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// Initialize Run manager
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runManager->Initialize();
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//----------------
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// Visualization:
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//----------------
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G4cout << "Instantiating Visualization Manager......." << G4endl;
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G4VisManager* visManager = new G4VisExecutive;
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visManager->Initialize();
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if (ui) {
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//--------------------------
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// Define (G)UI
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//--------------------------
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ui->SessionStart();
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delete ui;
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}
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else {
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G4String command = "/control/execute ";
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G4String fileName = argv[1];
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G4UImanager* UImanager = G4UImanager::GetUIpointer();
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UImanager->ApplyCommand(command + fileName);
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}
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// Free the store: user actions, physics_list and detector_description are
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// owned and deleted by the run manager, so they should not
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// be deleted in the main() program !
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delete visManager;
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delete runManager;
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return 0;
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}
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