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geant4/examples/advanced/CaTS/CaTS.cc
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2021-12-10 16:15:15 +00:00

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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. *
// ********************************************************************
//
//---------------------------------------------------------------------
//* |\___/| *
//* ) ( *
//* =\ /= *
//* )===( *
//* / \ CaTS: Calorimeter and Tracker Simulation *
//* | | is a flexible and extend-able framework *
//* / \ for the simulation of various detector *
//* \ / systems *
//* \__ _/ https://github.com/hanswenzel/CaTS *
//* ( ( *
//* ) ) *
//* (_( *
//* CaTS also serves as an example that demonstrates how to use *
//* opticks from within Geant4 for the creation and propagation of *
//* optical photons. *
//* see https://bitbucket.org/simoncblyth/opticks.git). *
//* Ascii Art by Joan Stark: https://www.asciiworld.com/-Cats-2-.html *
//---------------------------------------------------------------------
//
// ********************************************************************
//
// CaTS (Calorimetry and Tracking Simulation)
//
// Authors : Hans Wenzel
// Soon Yung Jun
// (Fermi National Accelerator Laboratory)
//
// History
// October 18th, 2021 : first implementation
//
// ********************************************************************
//
/// \file CaTS.cc
/// \brief main driver of CaTS
//
// project headers:
#include "ActionInitialization.hh"
#include "CaTSVersion.hh"
#include "ConfigurationManager.hh"
#include "DetectorConstruction.hh"
#include "PhysicsConfigurator.hh"
// Geant4 headers:
#include "G4RunManager.hh"
#include "G4RunManagerFactory.hh"
#include "G4Timer.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "G4VModularPhysicsList.hh"
#include "G4VisExecutive.hh"
#include <G4Threading.hh>
#ifdef WITH_G4OPTICKS
# include "OPTICKS_LOG.hh"
#endif
#include "TROOT.h"
#include <thread>
int main(int argc, char** argv)
{
#ifdef G4MULTITHREADED
G4int nThreads = 0;
#endif
G4bool interactive = false;
G4String physicsconf = "";
G4String gdmlfile = "";
G4String macrofile = "";
G4UIExecutive* ui = nullptr;
for(G4int i = 1; i < argc; i = i + 2)
{
if(G4String(argv[i]) == "-g")
{
gdmlfile = argv[i + 1];
}
else if(G4String(argv[i]) == "-pl")
{
physicsconf = G4String(argv[i + 1]);
}
else if(G4String(argv[i]) == "-m")
{
macrofile = G4String(argv[i + 1]);
}
#ifdef G4MULTITHREADED
else if(G4String(argv[i]) == "-t")
{
nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
}
#endif
}
if(gdmlfile == "")
{
G4cout << "Error! Mandatory input file is not specified!" << G4endl;
G4cout << G4endl;
G4cout << G4endl;
G4cout << "Usage: CaTS -g input_gdml_file:mandatory" << G4endl;
G4cout << G4endl;
return -1;
}
G4cout
<< G4endl
<< "---------------------------------------------------------------------"
<< G4endl
<< "* |\\___/| "
"*"
<< G4endl
<< "* ) ( *"
<< G4endl
<< "* =\\ /= "
"*"
<< G4endl
<< "* )===( Welcome to: *"
<< G4endl
<< "* / \\ CaTS: Calorimeter and Tracker Simulation "
"*"
<< G4endl
<< "* | | a flexible and extend-able framework *"
<< G4endl
<< "* / \\ for the simulation of various detector "
"*"
<< G4endl
<< "* \\ / systems *"
<< G4endl
<< "* \\__ _/ https://github.com/hanswenzel/CaTS "
"*"
<< G4endl
<< "* ( ( *"
<< G4endl << "* ) ) Version: " << CaTSVersion
<< " *" << G4endl
<< "* (_( Date: " << CaTSDate << " *"
<< G4endl
<< "---------------------------------------------------------------------"
<< G4endl << G4endl;
if(physicsconf == "")
{
G4cout << "Warning! no physics configuration specified!" << G4endl;
G4cout << "Using default FTFP_BERT+OPTICAL+STEPLIMIT" << G4endl;
physicsconf = "FTFP_BERT+OPTICAL+STEPLIMIT";
G4cout << "Usage: CaTS -pl physicsconfiguration" << G4endl;
G4cout << G4endl;
}
if(macrofile == "")
{
G4cout << "Warning! no macro specified!" << G4endl;
G4cout << "assume interactive mode" << G4endl;
interactive = true;
ui = new G4UIExecutive(argc, argv);
G4cout << G4endl;
G4cout << G4endl;
G4cout << "Usage: CaTS -m macrofile" << G4endl;
G4cout << G4endl;
}
G4Timer* eventTimer = new G4Timer;
eventTimer->Start();
#ifdef WITH_G4OPTICKS
OPTICKS_LOG(argc, argv);
#endif
G4VModularPhysicsList* phys =
PhysicsConfigurator::getInstance()->Construct(physicsconf);
G4String DumpFilename = gdmlfile + "_G4";
ConfigurationManager::getInstance()->setGDMLFileName(DumpFilename);
DetectorConstruction* dc = new DetectorConstruction(gdmlfile);
// Run manager
auto* rm = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
// G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
#ifdef G4MULTITHREADED
// number of threads not set so use number of cores
if(nThreads == 0)
{
nThreads = G4Threading::G4GetNumberOfCores();
}
if(nThreads > 0)
{
rm->SetNumberOfThreads(nThreads);
}
#endif
rm->SetUserInitialization(dc);
rm->SetUserInitialization(phys);
ActionInitialization* actionInitialization = new ActionInitialization();
rm->SetUserInitialization(actionInitialization);
G4UImanager* UImanager = G4UImanager::GetUIpointer();
if(interactive)
{
G4VisManager* visManager = new G4VisExecutive;
visManager->Initialize();
UImanager->ApplyCommand("/control/execute init_vis.mac");
ui->SessionStart();
delete ui;
delete visManager;
}
else
{
// batch mode
G4String command = "/control/execute ";
UImanager->ApplyCommand(command + macrofile);
delete ui;
}
eventTimer->Stop();
double totalCPUTime =
eventTimer->GetUserElapsed() + eventTimer->GetSystemElapsed();
G4int precision_t = G4cout.precision(3);
std::ios::fmtflags flags_t = G4cout.flags();
G4cout.setf(std::ios::fixed, std::ios::floatfield);
G4cout << "TimeTotal> " << eventTimer->GetRealElapsed() << " " << totalCPUTime
<< G4endl;
G4cout.setf(flags_t);
G4cout.precision(precision_t);
delete eventTimer;
delete rm;
return 0;
}