Gabriele Cosmo
153 lines
5.6 KiB
C++
153 lines
5.6 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 pythia8_decayer.cc
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/// \brief Main program of the pythia/py8decayer example
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#include "ActionInitialization.hh"
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#include "DetConstruction.hh"
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#include "FTFP_BERT.hh"
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#include "Py8DecayerPhysics.hh"
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#include "SingleParticleGun.hh"
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#include "G4GeometryManager.hh"
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#include "G4PhysListFactoryAlt.hh"
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#include "G4PhysListRegistry.hh"
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#include "G4RunManagerFactory.hh"
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#include "G4SystemOfUnits.hh"
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#include "Randomize.hh"
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// allow ourselves to extend the short names for physics ctor addition/replace
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// along the same lines as EMX, EMY, etc
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#include "G4PhysListRegistry.hh"
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// allow ourselves to give the user extra info about available physics ctors
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#include "G4PhysicsConstructorFactory.hh"
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// forward declaration
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void PrintAvailable(G4int verb = 1);
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int main(int argc, char** argv)
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{
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// pick physics list
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std::string physListName = "FTFP_BERT+PY8DK";
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for (G4int i = 1; i < argc; i = i + 2) {
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G4String g4argv(argv[i]); // convert only once
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if (g4argv == "-p") physListName = argv[i + 1];
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}
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// Choose the Random engine
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//
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G4Random::setTheEngine(new CLHEP::RanecuEngine);
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// Construct the default run manager;
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// it'll operate in the Tasking mode, and will use 5 thread
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//
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// If one wishes to operate in the so called serial (sequential) mode,
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// one can use G4RunManagerType::SerialOnly
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//
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auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default, 5);
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// Set mandatory initialization classes
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//
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// Geometry
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//
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runManager->SetUserInitialization(new DetConstruction);
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//
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// Physics
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//
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// G4VModularPhysicsList* physicsList = new FTFP_BERT();
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// physicsList->RegisterPhysics(new Py8DecayerPhysics());
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g4alt::G4PhysListFactory plFactory;
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G4VModularPhysicsList* physicsList = nullptr;
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plFactory.SetDefaultReferencePhysList("NO_DEFAULT_PHYSLIST");
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// set a short name for the plugin
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G4PhysListRegistry* plReg = G4PhysListRegistry::Instance();
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plReg->AddPhysicsExtension("PY8DK", "Py8DecayerPhysics");
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physicsList = plFactory.GetReferencePhysList(physListName);
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if (!physicsList) {
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PrintAvailable(1);
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// if we can't get what the user asked for...
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// don't go on to use something else, that's confusing
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G4ExceptionDescription ed;
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ed << "The factory for the physicslist [" << physListName << "] does not exist!" << G4endl;
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G4Exception("extensibleFactory", "extensibleFactory001", FatalException, ed);
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exit(42);
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}
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runManager->SetUserInitialization(physicsList);
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//
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// Set user action classes, e.g. prim.generator (tau- gun), etc.
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// NOTE: setting particle gun (prim. generator) is done in
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// ActionInit class (see src/ActionInitialization.cc)
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//
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runManager->SetUserInitialization(new ActionInitialization());
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//
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// General initialization for the run
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//
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runManager->Initialize();
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//
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// Run 5 events
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// NOTE: they will run on 5 different threads, as indicated earlier in the code
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//
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runManager->BeamOn(5);
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// Job termination
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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 runManager;
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return 0;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void PrintAvailable(G4int verbosity)
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{
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G4cout << G4endl;
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G4cout << "extensibleFactory: here are the available physics lists:" << G4endl;
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g4alt::G4PhysListFactory factory;
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factory.PrintAvailablePhysLists();
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// if user asked for extra verbosity then print physics ctors as well
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if (verbosity > 1) {
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G4cout << G4endl;
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G4cout << "extensibleFactory: "
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<< "here are the available physics ctors that can be added:" << G4endl;
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G4PhysicsConstructorRegistry* g4pctorFactory = G4PhysicsConstructorRegistry::Instance();
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g4pctorFactory->PrintAvailablePhysicsConstructors();
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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