TrackingRecHitProducer Class Reference

Inheritance diagram for TrackingRecHitProducer:

Public Member Functions
void	beginRun (edm::Run const &, const edm::EventSetup &eventSetup) override
void	beginStream (edm::StreamID id) override
void	endStream () override
void	produce (edm::Event &event, const edm::EventSetup &eventSetup) override
	TrackingRecHitProducer (const edm::ParameterSet &config)
	~TrackingRecHitProducer () override
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () const final

Private Member Functions
void	setupDetIdPipes (const edm::EventSetup &eventSetup)

Private Attributes
std::map< unsigned int, TrackingRecHitPipe >	_detIdPipes
std::vector< SiPixelTemplateStore >	_pixelTempStore
std::vector< std::unique_ptr< TrackingRecHitAlgorithm > >	_recHitAlgorithms
edm::EDGetTokenT< std::vector< PSimHit > >	_simHitToken
unsigned long long	_trackerGeometryCacheID = 0
unsigned long long	_trackerTopologyCacheID = 0

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes
typedef CacheTypes::GlobalCache	GlobalCache
typedef AbilityChecker< T... >	HasAbility
typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache
typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext
typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache
typedef CacheTypes::RunCache	RunCache
typedef RunContextT< RunCache, GlobalCache >	RunContext
typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Definition at line 44 of file TrackingRecHitProducer.cc.

Constructor & Destructor Documentation

TrackingRecHitProducer()

TrackingRecHitProducer::TrackingRecHitProducer

(

const edm::ParameterSet &

config

)

Definition at line 68 of file TrackingRecHitProducer.cc.

                                                                            {
  edm::ConsumesCollector consumeCollector = consumesCollector();
  const std::vector<edm::ParameterSet>& pluginConfigs = config.getParameter<std::vector<edm::ParameterSet>>("plugins");
 
  for (unsigned int iplugin = 0; iplugin < pluginConfigs.size(); ++iplugin) {
    const edm::ParameterSet& pluginConfig = pluginConfigs[iplugin];
    const std::string pluginType = pluginConfig.getParameter<std::string>("type");
    const std::string pluginName = pluginConfig.getParameter<std::string>("name");
 
    std::unique_ptr<TrackingRecHitAlgorithm> recHitAlgorithm{
        TrackingRecHitAlgorithmFactory::get()->tryToCreate(pluginType, pluginName, pluginConfig, consumeCollector)};
    if (recHitAlgorithm) {
      edm::LogInfo("TrackingRecHitProducer: ")
          << "adding plugin type '" << pluginType << "' as '" << pluginName << "'" << std::endl;
      _recHitAlgorithms.push_back(std::move(recHitAlgorithm));
    } else {
      throw cms::Exception("TrackingRecHitAlgorithm plugin not found: ")
          << "plugin type = " << pluginType << "\nconfiguration=\n"
          << pluginConfig.dump();
    }
  }
 
  edm::InputTag simHitTag = config.getParameter<edm::InputTag>("simHits");
  _simHitToken = consumes<std::vector<PSimHit>>(simHitTag);
 
  produces<FastTrackerRecHitCollection>();
  produces<FastTrackerRecHitRefCollection>("simHit2RecHitMap");
}

References _recHitAlgorithms, _simHitToken, Exception, get, eostools::move(), TrackingRecHitProducer_cfi::pluginConfig, validationMuonRPCDigis_cfi::simHitTag, and AlCaHLTBitMon_QueryRunRegistry::string.

~TrackingRecHitProducer()

TrackingRecHitProducer::~TrackingRecHitProducer ( )

override

Definition at line 97 of file TrackingRecHitProducer.cc.

{}

Member Function Documentation

beginRun()

void TrackingRecHitProducer::beginRun ( edm::Run const &  run, const edm::EventSetup &  eventSetup  )

override

Definition at line 105 of file TrackingRecHitProducer.cc.

                                                                                        {
  //--- Since all pixel algorithms (of which there could be several) use the same
  //    templateStore, filled out from the same DB Object, we need to it centrally
  //    (namely here), and then distribute it to the algorithms.  Note that only
  //    the pixel algorithms implement beginRun(), for the strip tracker this defaults
  //    to a no-op.
 
  edm::ESHandle<SiPixelTemplateDBObject> templateDBobject;
  eventSetup.get<SiPixelTemplateDBObjectESProducerRcd>().get(templateDBobject);
  const SiPixelTemplateDBObject* pixelTemplateDBObject = templateDBobject.product();
 
  //--- Now that we have the DB object, load the correct templates from the DB.
  //    (They are needed for data and full sim MC, so in a production FastSim
  //    run, everything should already be in the DB.)
  if (!SiPixelTemplate::pushfile(*pixelTemplateDBObject, _pixelTempStore)) {
    throw cms::Exception("TrackingRecHitProducer:")
        << "SiPixel Templates not loaded correctly from the DB object!" << std::endl;
  }
 
  for (auto& algo : _recHitAlgorithms) {
    algo->beginRun(run, eventSetup, pixelTemplateDBObject, _pixelTempStore);
  }
}

References _pixelTempStore, _recHitAlgorithms, Exception, edm::EventSetup::get(), get, edm::ESHandle< T >::product(), SiPixelTemplate::pushfile(), and writedatasetfile::run.

beginStream()

void TrackingRecHitProducer::beginStream ( edm::StreamID  id )

override

Definition at line 99 of file TrackingRecHitProducer.cc.

                                                       {
  for (auto& algo : _recHitAlgorithms) {
    algo->beginStream(id);
  }
}

References _recHitAlgorithms.

endStream()

void TrackingRecHitProducer::endStream ( )

override

Definition at line 251 of file TrackingRecHitProducer.cc.

                                       {
  for (auto& algo : _recHitAlgorithms) {
    algo->endStream();
  }
}

References _recHitAlgorithms.

produce()

void TrackingRecHitProducer::produce ( edm::Event &  event, const edm::EventSetup &  eventSetup  )

override

Definition at line 169 of file TrackingRecHitProducer.cc.

                                                                                     {
  //resetup pipes if new iov
  setupDetIdPipes(eventSetup);
  //begin event
  for (auto& algo : _recHitAlgorithms) {
    algo->beginEvent(event, eventSetup);
  }
 
  //build DetId -> PSimHit map
  edm::Handle<std::vector<PSimHit>> simHits;
  event.getByToken(_simHitToken, simHits);
 
  auto output_recHits = std::make_unique<FastTrackerRecHitCollection>();
  output_recHits->reserve(simHits->size());
 
  edm::RefProd<FastTrackerRecHitCollection> output_recHits_refProd =
      event.getRefBeforePut<FastTrackerRecHitCollection>();
  auto output_recHitRefs = std::make_unique<FastTrackerRecHitRefCollection>(simHits->size(), FastTrackerRecHitRef());
 
  std::map<unsigned int, std::vector<std::pair<unsigned int, const PSimHit*>>> simHitsIdPairPerDetId;
  for (unsigned int ihit = 0; ihit < simHits->size(); ++ihit) {
    const PSimHit* simHit = &(*simHits)[ihit];
    simHitsIdPairPerDetId[simHit->detUnitId()].push_back(std::make_pair(ihit, simHit));
  }
 
  for (auto simHitsIdPairIt = simHitsIdPairPerDetId.begin(); simHitsIdPairIt != simHitsIdPairPerDetId.end();
       ++simHitsIdPairIt) {
    const DetId& detId = simHitsIdPairIt->first;
    std::map<unsigned int, TrackingRecHitPipe>::const_iterator pipeIt = _detIdPipes.find(detId);
    if (pipeIt != _detIdPipes.cend()) {
      auto& simHitIdPairList = simHitsIdPairIt->second;
      const TrackingRecHitPipe& pipe = pipeIt->second;
 
      TrackingRecHitProductPtr product = std::make_shared<TrackingRecHitProduct>(detId, simHitIdPairList);
 
      product = pipe.produce(product);
 
      const std::vector<TrackingRecHitProduct::RecHitToSimHitIdPairs>& recHitToSimHitIdPairsList =
          product->getRecHitToSimHitIdPairs();
 
      for (unsigned int irecHit = 0; irecHit < recHitToSimHitIdPairsList.size(); ++irecHit) {
        output_recHits->push_back(recHitToSimHitIdPairsList[irecHit].first);
        const std::vector<TrackingRecHitProduct::SimHitIdPair>& simHitIdPairList =
            recHitToSimHitIdPairsList[irecHit].second;
        double energyLoss_tot = 0;  //
        for (unsigned int isimHit = 0; isimHit < simHitIdPairList.size(); ++isimHit) {
          unsigned int simHitId = simHitIdPairList[isimHit].first;
          const PSimHit* simHit = simHitIdPairList[isimHit].second;
          energyLoss_tot +=
              simHit
                  ->energyLoss();  //energy loss of sim hit in GeV std::cout << "energyLoss_tot" << energyLoss_tot << std::endl;
          if (not(*output_recHitRefs)[simHitId].isNull()) {
            throw cms::Exception("FastSimulation/TrackingRecHitProducer",
                                 "A PSimHit cannot lead to multiple FastTrackerRecHits");
          }
          (*output_recHitRefs)[simHitId] = FastTrackerRecHitRef(output_recHits_refProd, output_recHits->size() - 1);
        }
        static_cast<FastSingleTrackerRecHit&>(output_recHits->back()).setEnergyLoss(energyLoss_tot);
      }
    } else {
      //there should be at least an empty pipe for each DetId
      throw cms::Exception(
          "FastSimulation/TrackingRecHitProducer",
          "A PSimHit carries a DetId which does not belong to the TrackerGeometry: " + std::to_string(detId));
    }
  }
 
  //end event
  for (auto& algo : _recHitAlgorithms) {
    algo->endEvent(event, eventSetup);
  }
 
  // note from lukas:
  // all rechits need a unique id numbers
  for (unsigned recHitIndex = 0; recHitIndex < output_recHits->size(); ++recHitIndex) {
    ((FastSingleTrackerRecHit*)&(*output_recHits)[recHitIndex])->setId(recHitIndex);
  }
 
  event.put(std::move(output_recHits));
  event.put(std::move(output_recHitRefs), "simHit2RecHitMap");
}

References _detIdPipes, _recHitAlgorithms, _simHitToken, Exception, first, eostools::move(), setupDetIdPipes(), rpcPointValidation_cfi::simHit, FastTrackerRecHitCombiner_cfi::simHits, and edm::OwnVector< T, P >::size().

setupDetIdPipes()

void TrackingRecHitProducer::setupDetIdPipes ( const edm::EventSetup &  eventSetup )

private

Definition at line 129 of file TrackingRecHitProducer.cc.

                                                                            {
  auto const& trackerGeomRec = eventSetup.get<TrackerDigiGeometryRecord>();
  auto const& trackerTopoRec = eventSetup.get<TrackerTopologyRcd>();
  if (trackerGeomRec.cacheIdentifier() != _trackerGeometryCacheID or
      trackerTopoRec.cacheIdentifier() != _trackerTopologyCacheID) {
    _trackerGeometryCacheID = trackerGeomRec.cacheIdentifier();
    _trackerTopologyCacheID = trackerTopoRec.cacheIdentifier();
    edm::ESHandle<TrackerGeometry> trackerGeometryHandle;
    edm::ESHandle<TrackerTopology> trackerTopologyHandle;
    trackerGeomRec.get(trackerGeometryHandle);
    trackerTopoRec.get(trackerTopologyHandle);
    const TrackerGeometry* trackerGeometry = trackerGeometryHandle.product();
    const TrackerTopology* trackerTopology = trackerTopologyHandle.product();
 
    _detIdPipes.clear();
 
    //build pipes for all detIds
    const std::vector<DetId>& detIds = trackerGeometry->detIds();
    std::vector<unsigned int> numberOfDetIdsPerAlgorithm(_recHitAlgorithms.size(), 0);
 
    for (const DetId& detId : detIds) {
      TrackerDetIdSelector selector(detId, *trackerTopology);
 
      TrackingRecHitPipe pipe;
      for (unsigned int ialgo = 0; ialgo < _recHitAlgorithms.size(); ++ialgo) {
        auto& algo = _recHitAlgorithms[ialgo];
        if (selector.passSelection(algo->getSelectionString())) {
          numberOfDetIdsPerAlgorithm[ialgo] += 1;
          pipe.addAlgorithm(algo.get());
        }
      }
      if (pipe.size() == 0) {
        throw cms::Exception("FastSimulation/TrackingRecHitProducer: DetId not configured! (" +
                             trackerTopology->print(detId) + ")");
      }
      _detIdPipes[detId.rawId()] = pipe;
    }
  }
}

References _detIdPipes, _recHitAlgorithms, _trackerGeometryCacheID, _trackerTopologyCacheID, edm::eventsetup::EventSetupRecord::cacheIdentifier(), TrackerGeometry::detIds(), Exception, edm::EventSetup::get(), edm::eventsetup::DependentRecordImplementation< RecordT, ListT >::get(), or, TrackerDetIdSelector::passSelection(), pipe::pipe(), TrackerTopology::print(), and edm::ESHandle< T >::product().

Referenced by produce().

Member Data Documentation

_detIdPipes

std::map<unsigned int, TrackingRecHitPipe> TrackingRecHitProducer::_detIdPipes

private

Definition at line 50 of file TrackingRecHitProducer.cc.

Referenced by produce(), and setupDetIdPipes().

_pixelTempStore

std::vector<SiPixelTemplateStore> TrackingRecHitProducer::_pixelTempStore

private

Definition at line 52 of file TrackingRecHitProducer.cc.

Referenced by beginRun().

_recHitAlgorithms

std::vector<std::unique_ptr<TrackingRecHitAlgorithm> > TrackingRecHitProducer::_recHitAlgorithms

private

Definition at line 47 of file TrackingRecHitProducer.cc.

Referenced by beginRun(), beginStream(), endStream(), produce(), setupDetIdPipes(), and TrackingRecHitProducer().

_simHitToken

edm::EDGetTokenT<std::vector<PSimHit> > TrackingRecHitProducer::_simHitToken

private

Definition at line 46 of file TrackingRecHitProducer.cc.

Referenced by produce(), and TrackingRecHitProducer().

_trackerGeometryCacheID

unsigned long long TrackingRecHitProducer::_trackerGeometryCacheID = 0

private

Definition at line 48 of file TrackingRecHitProducer.cc.

Referenced by setupDetIdPipes().

_trackerTopologyCacheID

unsigned long long TrackingRecHitProducer::_trackerTopologyCacheID = 0

private

Definition at line 49 of file TrackingRecHitProducer.cc.

Referenced by setupDetIdPipes().