GeometryProducer/src/GeometryProducer.cc

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 #include "G4GeometryManager.hh"
0026
0027 #include <iostream>
0028 #include <memory>
0029
0030 static void createWatchers(const edm::ParameterSet &iP,
0031                            SimActivityRegistry &iReg,
0032                            std::vector<std::shared_ptr<SimWatcher>> &oWatchers,
0033                            std::vector<std::shared_ptr<SimProducer>> &oProds) {
0034   using namespace std;
0035   using namespace edm;
0036   std::vector<ParameterSet> watchers;
0037   try {
0038     watchers = iP.getParameter<vector<ParameterSet>>("Watchers");
0039   } catch (edm::Exception const &) {
0040   }
0041
0042   for (std::vector<ParameterSet>::iterator itWatcher = watchers.begin(); itWatcher != watchers.end(); ++itWatcher) {
0043     std::unique_ptr<SimWatcherMakerBase> maker(
0044         SimWatcherFactory::get()->create(itWatcher->getParameter<std::string>("type")));
0045     if (maker.get() == nullptr) {
0046       throw cms::Exception("SimG4CoreGeometryProducer", " createWatchers: Unable to find the requested Watcher");
0047     }
0048
0049     std::shared_ptr<SimWatcher> watcherTemp;
0050     std::shared_ptr<SimProducer> producerTemp;
0051     maker->make(*itWatcher, iReg, watcherTemp, producerTemp);
0052     oWatchers.push_back(watcherTemp);
0053     if (producerTemp)
0054       oProds.push_back(producerTemp);
0055   }
0056 }
0057
0058 GeometryProducer::GeometryProducer(edm::ParameterSet const &p)
0059     : m_kernel(nullptr),
0060       m_pField(p.getParameter<edm::ParameterSet>("MagneticField")),
0061       m_p(p),
0062       m_pDD(nullptr),
0063       m_pDD4hep(nullptr),
0064       m_verbose(0),
0065       m_firstRun(true),
0066       m_pUseMagneticField(p.getParameter<bool>("UseMagneticField")),
0067       m_pUseSensitiveDetectors(p.getParameter<bool>("UseSensitiveDetectors")),
0068       m_pGeoFromDD4hep(p.getParameter<bool>("GeoFromDD4hep")) {
0069   // Look for an outside SimActivityRegistry
0070   // this is used by the visualization code
0071
0072   edm::Service<SimActivityRegistry> otherRegistry;
0073   if (otherRegistry)
0074     m_registry.connect(*otherRegistry);
0075   createWatchers(m_p, m_registry, m_watchers, m_producers);
0076
0077   G4EmParameters::Instance()->SetVerbose(m_verbose);
0078   G4HadronicParameters::Instance()->SetVerboseLevel(m_verbose);
0079
0080   m_kernel = G4RunManagerKernel::GetRunManagerKernel();
0081   if (m_kernel == nullptr)
0082     m_kernel = new G4RunManagerKernel();
0083
0084   m_kernel->SetVerboseLevel(m_verbose);
0085
0086 #if G4VERSION_NUMBER >= 1130
0087   G4GeometryManager::GetInstance()->RequestParallelOptimisation(false, false);
0088 #endif
0089
0090   tokMF_ = esConsumes<MagneticField, IdealMagneticFieldRecord, edm::Transition::BeginRun>();
0091   if (m_pGeoFromDD4hep) {
0092     tokDD4hep_ = esConsumes<cms::DDCompactView, IdealGeometryRecord, edm::Transition::BeginRun>();
0093   } else {
0094     tokDDD_ = esConsumes<DDCompactView, IdealGeometryRecord, edm::Transition::BeginRun>();
0095   }
0096   produces<int>();
0097 }
0098
0099 GeometryProducer::~GeometryProducer() { delete m_kernel; }
0100
0101 void GeometryProducer::updateMagneticField(edm::EventSetup const &es) {
0102   if (m_pUseMagneticField) {
0103     // setup the magnetic field
0104     auto const &pMF = &es.getData(tokMF_);
0105     const GlobalPoint g(0., 0., 0.);
0106     edm::LogVerbatim("GeometryProducer") << "B-field(T) at (0,0,0)(cm): " << pMF->inTesla(g);
0107
0108     sim::FieldBuilder fieldBuilder(pMF, m_pField);
0109     CMSFieldManager *fieldManager = new CMSFieldManager();
0110     G4TransportationManager *tM = G4TransportationManager::GetTransportationManager();
0111     tM->SetFieldManager(fieldManager);
0112     fieldBuilder.build(fieldManager, tM->GetPropagatorInField());
0113     edm::LogVerbatim("GeometryProducer") << "Magentic field is built";
0114   }
0115 }
0116
0117 void GeometryProducer::beginLuminosityBlock(edm::LuminosityBlock &, edm::EventSetup const &) {
0118   // mag field cannot be change in new lumi section - this is commented out
0119   //     updateMagneticField( es );
0120 }
0121
0122 void GeometryProducer::beginRun(const edm::Run &run, const edm::EventSetup &es) {
0123   makeGeom(es);
0124   updateMagneticField(es);
0125   for (auto &maker : m_sdMakers) {
0126     maker.second->beginRun(es);
0127   }
0128 }
0129
0130 void GeometryProducer::endRun(const edm::Run &, const edm::EventSetup &) {}
0131
0132 void GeometryProducer::produce(edm::Event &e, const edm::EventSetup &es) {
0133   if (!m_firstRun)
0134     return;
0135   m_firstRun = false;
0136   for (Producers::iterator itProd = m_producers.begin(); itProd != m_producers.end(); ++itProd) {
0137     (*itProd)->produce(e, es);
0138   }
0139 }
0140
0141 void GeometryProducer::makeGeom(const edm::EventSetup &es) {
0142   if (!m_firstRun)
0143     return;
0144
0145   edm::LogVerbatim("GeometryProducer") << " GeometryProducer initializing ";
0146   // DDDWorld: get the DDCV from the ES and use it to build the World
0147   if (m_pGeoFromDD4hep) {
0148     m_pDD4hep = &es.getData(tokDD4hep_);
0149   } else {
0150     m_pDD = &es.getData(tokDDD_);
0151   }
0152
0153   SensitiveDetectorCatalog catalog;
0154   const DDDWorld *dddworld = new DDDWorld(m_pDD, m_pDD4hep, catalog, m_verbose, false, false);
0155   G4VPhysicalVolume *world = dddworld->GetWorldVolume();
0156   if (nullptr != world)
0157     edm::LogVerbatim("GeometryProducer") << " World Volume: " << world->GetName();
0158   m_kernel->DefineWorldVolume(world, true);
0159
0160   m_registry.dddWorldSignal_(dddworld);
0161
0162   edm::LogVerbatim("GeometryProducer") << " Magnetic field initialisation";
0163   updateMagneticField(es);
0164
0165   if (m_pUseSensitiveDetectors) {
0166     edm::LogVerbatim("GeometryProducer") << " instantiating sensitive detectors ";
0167     // instantiate and attach the sensitive detectors
0168     TmpSimEvent *ptr = nullptr;
0169     m_trackManager = std::make_unique<SimTrackManager>(ptr, m_verbose);
0170     {
0171       std::pair<std::vector<SensitiveTkDetector *>, std::vector<SensitiveCaloDetector *>> sensDets =
0172           sim::attachSD(m_sdMakers, es, catalog, m_p, m_trackManager.get(), m_registry);
0173
0174       m_sensTkDets.swap(sensDets.first);
0175       m_sensCaloDets.swap(sensDets.second);
0176     }
0177
0178     edm::LogVerbatim("GeometryProducer") << " Sensitive Detector building finished; found " << m_sensTkDets.size()
0179                                          << " Tk type Producers, and " << m_sensCaloDets.size()
0180                                          << " Calo type producers ";
0181   }
0182 }
0183
0184 DEFINE_FWK_MODULE(GeometryProducer);