File indexing completed on 2023-01-21 00:19:53
0001 #include "FWCore/PluginManager/interface/PluginManager.h"
0002
0003 #include "SimG4Core/GeometryProducer/interface/GeometryProducer.h"
0004
0005 #include "FWCore/Framework/interface/ConsumesCollector.h"
0006 #include "FWCore/ServiceRegistry/interface/Service.h"
0007 #include "FWCore/Utilities/interface/Exception.h"
0008
0009 #include "SimG4Core/Geometry/interface/DDDWorld.h"
0010 #include "SimG4Core/Geometry/interface/G4LogicalVolumeToDDLogicalPartMap.h"
0011 #include "SimG4Core/Geometry/interface/SensitiveDetectorCatalog.h"
0012 #include "SimG4Core/MagneticField/interface/CMSFieldManager.h"
0013 #include "SimG4Core/MagneticField/interface/Field.h"
0014 #include "SimG4Core/MagneticField/interface/FieldBuilder.h"
0015 #include "SimG4Core/Notification/interface/SimTrackManager.h"
0016 #include "SimG4Core/Watcher/interface/SimProducer.h"
0017 #include "SimG4Core/Watcher/interface/SimWatcherFactory.h"
0018 #include "SimG4Core/SensitiveDetector/interface/sensitiveDetectorMakers.h"
0019 #include "SimG4Core/SensitiveDetector/interface/AttachSD.h"
0020
0021 #include "G4RunManagerKernel.hh"
0022 #include "G4TransportationManager.hh"
0023 #include "G4EmParameters.hh"
0024 #include "G4HadronicParameters.hh"
0025
0026 #include <iostream>
0027 #include <memory>
0028
0029 static void createWatchers(const edm::ParameterSet &iP,
0030 SimActivityRegistry &iReg,
0031 std::vector<std::shared_ptr<SimWatcher>> &oWatchers,
0032 std::vector<std::shared_ptr<SimProducer>> &oProds) {
0033 using namespace std;
0034 using namespace edm;
0035 std::vector<ParameterSet> watchers;
0036 try {
0037 watchers = iP.getParameter<vector<ParameterSet>>("Watchers");
0038 } catch (edm::Exception const &) {
0039 }
0040
0041 for (std::vector<ParameterSet>::iterator itWatcher = watchers.begin(); itWatcher != watchers.end(); ++itWatcher) {
0042 std::unique_ptr<SimWatcherMakerBase> maker(
0043 SimWatcherFactory::get()->create(itWatcher->getParameter<std::string>("type")));
0044 if (maker.get() == nullptr) {
0045 throw cms::Exception("SimG4CoreGeometryProducer", " createWatchers: Unable to find the requested Watcher");
0046 }
0047
0048 std::shared_ptr<SimWatcher> watcherTemp;
0049 std::shared_ptr<SimProducer> producerTemp;
0050 maker->make(*itWatcher, iReg, watcherTemp, producerTemp);
0051 oWatchers.push_back(watcherTemp);
0052 if (producerTemp)
0053 oProds.push_back(producerTemp);
0054 }
0055 }
0056
0057 GeometryProducer::GeometryProducer(edm::ParameterSet const &p)
0058 : m_kernel(nullptr),
0059 m_pField(p.getParameter<edm::ParameterSet>("MagneticField")),
0060 m_p(p),
0061 m_pDD(nullptr),
0062 m_pDD4hep(nullptr),
0063 m_verbose(0),
0064 m_firstRun(true),
0065 m_pUseMagneticField(p.getParameter<bool>("UseMagneticField")),
0066 m_pUseSensitiveDetectors(p.getParameter<bool>("UseSensitiveDetectors")),
0067 m_pGeoFromDD4hep(p.getParameter<bool>("GeoFromDD4hep")) {
0068
0069
0070
0071 edm::Service<SimActivityRegistry> otherRegistry;
0072 if (otherRegistry)
0073 m_registry.connect(*otherRegistry);
0074 createWatchers(m_p, m_registry, m_watchers, m_producers);
0075
0076 G4EmParameters::Instance()->SetVerbose(m_verbose);
0077 G4HadronicParameters::Instance()->SetVerboseLevel(m_verbose);
0078
0079 m_kernel = G4RunManagerKernel::GetRunManagerKernel();
0080 if (m_kernel == nullptr)
0081 m_kernel = new G4RunManagerKernel();
0082
0083 m_kernel->SetVerboseLevel(m_verbose);
0084
0085
0086
0087
0088 tokMF_ = esConsumes<MagneticField, IdealMagneticFieldRecord, edm::Transition::BeginRun>();
0089 if (m_pGeoFromDD4hep) {
0090 tokDD4hep_ = esConsumes<cms::DDCompactView, IdealGeometryRecord, edm::Transition::BeginRun>();
0091 } else {
0092 tokDDD_ = esConsumes<DDCompactView, IdealGeometryRecord, edm::Transition::BeginRun>();
0093 }
0094 produces<int>();
0095 }
0096
0097 GeometryProducer::~GeometryProducer() { delete m_kernel; }
0098
0099 void GeometryProducer::updateMagneticField(edm::EventSetup const &es) {
0100 if (m_pUseMagneticField) {
0101
0102 auto const &pMF = &es.getData(tokMF_);
0103 const GlobalPoint g(0., 0., 0.);
0104 edm::LogInfo("GeometryProducer") << "B-field(T) at (0,0,0)(cm): " << pMF->inTesla(g);
0105
0106 sim::FieldBuilder fieldBuilder(pMF, m_pField);
0107 CMSFieldManager *fieldManager = new CMSFieldManager();
0108 G4TransportationManager *tM = G4TransportationManager::GetTransportationManager();
0109 tM->SetFieldManager(fieldManager);
0110 fieldBuilder.build(fieldManager, tM->GetPropagatorInField());
0111 edm::LogInfo("GeometryProducer") << "Magentic field is built";
0112 }
0113 }
0114
0115 void GeometryProducer::beginLuminosityBlock(edm::LuminosityBlock &, edm::EventSetup const &) {
0116
0117
0118 }
0119
0120 void GeometryProducer::beginRun(const edm::Run &run, const edm::EventSetup &es) {
0121 makeGeom(es);
0122 updateMagneticField(es);
0123 for (auto &maker : m_sdMakers) {
0124 maker.second->beginRun(es);
0125 }
0126 }
0127
0128 void GeometryProducer::endRun(const edm::Run &, const edm::EventSetup &) {}
0129
0130 void GeometryProducer::produce(edm::Event &e, const edm::EventSetup &es) {
0131 if (!m_firstRun)
0132 return;
0133 m_firstRun = false;
0134 for (Producers::iterator itProd = m_producers.begin(); itProd != m_producers.end(); ++itProd) {
0135 (*itProd)->produce(e, es);
0136 }
0137 }
0138
0139 void GeometryProducer::makeGeom(const edm::EventSetup &es) {
0140 if (!m_firstRun)
0141 return;
0142
0143 edm::LogVerbatim("GeometryProducer") << " GeometryProducer initializing ";
0144
0145 if (m_pGeoFromDD4hep) {
0146 m_pDD4hep = &es.getData(tokDD4hep_);
0147 } else {
0148 m_pDD = &es.getData(tokDDD_);
0149 }
0150
0151 SensitiveDetectorCatalog catalog;
0152 const DDDWorld *dddworld = new DDDWorld(m_pDD, m_pDD4hep, catalog, m_verbose, false, false);
0153 G4VPhysicalVolume *world = dddworld->GetWorldVolume();
0154 if (nullptr != world)
0155 edm::LogVerbatim("GeometryProducer") << " World Volume: " << world->GetName();
0156 m_kernel->DefineWorldVolume(world, true);
0157
0158 m_registry.dddWorldSignal_(dddworld);
0159
0160 edm::LogVerbatim("GeometryProducer") << " Magnetic field initialisation";
0161 updateMagneticField(es);
0162
0163 if (m_pUseSensitiveDetectors) {
0164 edm::LogInfo("GeometryProducer") << " instantiating sensitive detectors ";
0165
0166 m_trackManager = std::make_unique<SimTrackManager>();
0167 {
0168 std::pair<std::vector<SensitiveTkDetector *>, std::vector<SensitiveCaloDetector *>> sensDets =
0169 sim::attachSD(m_sdMakers, es, catalog, m_p, m_trackManager.get(), m_registry);
0170
0171 m_sensTkDets.swap(sensDets.first);
0172 m_sensCaloDets.swap(sensDets.second);
0173 }
0174
0175 edm::LogInfo("GeometryProducer") << " Sensitive Detector building finished; found " << m_sensTkDets.size()
0176 << " Tk type Producers, and " << m_sensCaloDets.size() << " Calo type producers ";
0177 }
0178 }
0179
0180 DEFINE_FWK_MODULE(GeometryProducer);