GEMDigiModule Class Reference

#include <GEMDigiModule.h>

Public Types
typedef edm::DetSet< GEMDigiSimLink >	GEMDigiSimLinks
typedef edm::DetSet< StripDigiSimLink >	StripDigiSimLinks

Public Member Functions
void	fillDigis (int rollDetId, GEMDigiCollection &)
	GEMDigiModule (const edm::ParameterSet &)
const GEMDigiSimLinks &	gemDigiSimLinks () const
void	setGeometry (const GEMGeometry *)
void	simulate (const GEMEtaPartition *, const edm::PSimHitContainer &, CLHEP::HepRandomEngine *)
const StripDigiSimLinks &	stripDigiSimLinks () const
	~GEMDigiModule ()

Private Member Functions
void	addLinks (unsigned int strip, int bx)
	creates links from Digi to SimTrack More...
void	addLinksWithPartId (unsigned int strip, int bx)

Private Attributes
DetectorHitMap	detectorHitMap_
const GEMGeometry *	geometry_
std::vector< std::unique_ptr< GEMDigiModel > >	models
StripDigiSimLinks	stripDigiSimLinks_
Strips	strips_
GEMDigiSimLinks	theGemDigiSimLinks_

Detailed Description

Base Class for the GEM strip response simulation

Author

Sven Dildick \modified by Yechan Kang

Definition at line 35 of file GEMDigiModule.h.

Member Typedef Documentation

GEMDigiSimLinks

typedef edm::DetSet<GEMDigiSimLink> GEMDigiModule::GEMDigiSimLinks

Definition at line 42 of file GEMDigiModule.h.

StripDigiSimLinks

typedef edm::DetSet<StripDigiSimLink> GEMDigiModule::StripDigiSimLinks

Definition at line 41 of file GEMDigiModule.h.

Constructor & Destructor Documentation

GEMDigiModule()

GEMDigiModule::GEMDigiModule

(

const edm::ParameterSet &

config

)

Definition at line 9 of file GEMDigiModule.cc.

                                                          {
  bool simulateBkgNoise_(config.getParameter<bool>("simulateBkgNoise"));
  bool simulateIntrinsicNoise_(config.getParameter<bool>("simulateIntrinsicNoise"));
  if (simulateIntrinsicNoise_) {
    models.push_back(std::make_unique<GEMNoiseModel>(config));
  }
  if (simulateBkgNoise_) {
    models.push_back(std::make_unique<GEMBkgModel>(config));
  }
  models.push_back(std::make_unique<GEMSignalModel>(config));
}

~GEMDigiModule()

GEMDigiModule::~GEMDigiModule ( )

default

Member Function Documentation

addLinks()

void GEMDigiModule::addLinks ( unsigned int  strip, int  bx  )

private

creates links from Digi to SimTrack

Definition at line 50 of file GEMDigiModule.cc.

                                                       {
  std::pair<unsigned int, int> digi(strip, bx);
  auto channelHitItr = detectorHitMap_.equal_range(digi);
 
  // find the fraction contribution for each SimTrack
  std::map<int, float> simTrackChargeMap;
  std::map<int, EncodedEventId> eventIdMap;
  float totalCharge(0.);
  for (auto hitItr = channelHitItr.first; hitItr != channelHitItr.second; ++hitItr) {
    const PSimHit* hit(hitItr->second);
    // might be zero for unit tests and such
    if (hit == nullptr)
      continue;
 
    int simTrackId(hit->trackId());
    //float charge = hit->getCharge();
    const float charge(1.f);
    auto chargeItr = simTrackChargeMap.find(simTrackId);
    if (chargeItr == simTrackChargeMap.end()) {
      simTrackChargeMap[simTrackId] = charge;
      eventIdMap[simTrackId] = hit->eventId();
    } else {
      chargeItr->second += charge;
    }
    totalCharge += charge;
  }
 
  for (const auto& charge : simTrackChargeMap) {
    const int simTrackId(charge.first);
    auto link(StripDigiSimLink(strip, simTrackId, eventIdMap[simTrackId], charge.second / totalCharge));
    stripDigiSimLinks_.push_back(link);
  }
}

References simKBmtfDigis_cfi::bx, ALCARECOTkAlJpsiMuMu_cff::charge, detectorHitMap_, f, MainPageGenerator::link, edm::DetSet< T >::push_back(), digitizers_cfi::strip, and stripDigiSimLinks_.

Referenced by fillDigis().

addLinksWithPartId()

void GEMDigiModule::addLinksWithPartId ( unsigned int  strip, int  bx  )

private

Definition at line 84 of file GEMDigiModule.cc.

                                                                 {
  std::pair<unsigned int, int> digi(strip, bx);
  std::pair<DetectorHitMap::iterator, DetectorHitMap::iterator> channelHitItr = detectorHitMap_.equal_range(digi);
 
  for (DetectorHitMap::iterator hitItr = channelHitItr.first; hitItr != channelHitItr.second; ++hitItr) {
    const PSimHit* hit = (hitItr->second);
    // might be zero for unit tests and such
    if (hit == nullptr)
      continue;
 
    theGemDigiSimLinks_.push_back(GEMDigiSimLink(digi,
                                                 hit->entryPoint(),
                                                 hit->momentumAtEntry(),
                                                 hit->timeOfFlight(),
                                                 hit->energyLoss(),
                                                 hit->particleType(),
                                                 hit->detUnitId(),
                                                 hit->trackId(),
                                                 hit->eventId(),
                                                 hit->processType()));
  }
}

References simKBmtfDigis_cfi::bx, detectorHitMap_, edm::DetSet< T >::push_back(), digitizers_cfi::strip, and theGemDigiSimLinks_.

Referenced by fillDigis().

fillDigis()

void GEMDigiModule::fillDigis	(	int	rollDetId,
		GEMDigiCollection &	digis
	)

Definition at line 37 of file GEMDigiModule.cc.

                                                                     {
  for (const auto& d : strips_) {
    if (d.second == -999)
      continue;
    // (strip, bx)
    GEMDigi digi(d.first, d.second);
    digis.insertDigi(GEMDetId(rollDetId), digi);
    addLinks(d.first, d.second);
    addLinksWithPartId(d.first, d.second);
  }
  strips_.clear();
}

References addLinks(), addLinksWithPartId(), ztail::d, and strips_.

gemDigiSimLinks()

const GEMDigiSimLinks& GEMDigiModule::gemDigiSimLinks ( ) const

inline

Definition at line 51 of file GEMDigiModule.h.

{ return theGemDigiSimLinks_; }

References theGemDigiSimLinks_.

setGeometry()

void GEMDigiModule::setGeometry

(

const GEMGeometry *

geom

)

Definition at line 107 of file GEMDigiModule.cc.

                                                       {
  for (auto&& model : models) {
    model->setGeometry(geom);
  }
}

References relativeConstraints::geom, and ReggeGribovPartonMC_EposLHC_2760GeV_PbPb_cfi::model.

simulate()

void GEMDigiModule::simulate	(	const GEMEtaPartition *	roll,
		const edm::PSimHitContainer &	simHits,
		CLHEP::HepRandomEngine *	engine
	)

Definition at line 23 of file GEMDigiModule.cc.

                                                           {
  stripDigiSimLinks_.clear();
  detectorHitMap_.clear();
  stripDigiSimLinks_ = StripDigiSimLinks(roll->id().rawId());
  theGemDigiSimLinks_.clear();
  theGemDigiSimLinks_ = GEMDigiSimLinks(roll->id().rawId());
  for (auto&& model : models) {
    model->simulate(roll, simHits, engine, strips_, detectorHitMap_);
  }
  return;
}

References edm::DetSet< T >::clear(), detectorHitMap_, GEMEtaPartition::id(), ReggeGribovPartonMC_EposLHC_2760GeV_PbPb_cfi::model, DetId::rawId(), FastTrackerRecHitCombiner_cfi::simHits, stripDigiSimLinks_, strips_, and theGemDigiSimLinks_.

stripDigiSimLinks()

const StripDigiSimLinks& GEMDigiModule::stripDigiSimLinks ( ) const

inline

Definition at line 50 of file GEMDigiModule.h.

{ return stripDigiSimLinks_; }

References stripDigiSimLinks_.

Member Data Documentation

detectorHitMap_

DetectorHitMap GEMDigiModule::detectorHitMap_

private

Definition at line 63 of file GEMDigiModule.h.

Referenced by addLinks(), addLinksWithPartId(), and simulate().

geometry_

const GEMGeometry* GEMDigiModule::geometry_

private

Definition at line 54 of file GEMDigiModule.h.

models

std::vector<std::unique_ptr<GEMDigiModel> > GEMDigiModule::models

private

Definition at line 56 of file GEMDigiModule.h.

stripDigiSimLinks_

StripDigiSimLinks GEMDigiModule::stripDigiSimLinks_

private

Definition at line 64 of file GEMDigiModule.h.

Referenced by addLinks(), simulate(), and stripDigiSimLinks().

strips_

Strips GEMDigiModule::strips_

private

Definition at line 62 of file GEMDigiModule.h.

Referenced by fillDigis(), and simulate().

theGemDigiSimLinks_

GEMDigiSimLinks GEMDigiModule::theGemDigiSimLinks_

private

Definition at line 65 of file GEMDigiModule.h.

Referenced by addLinksWithPartId(), gemDigiSimLinks(), and simulate().