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CSCDigitizer Class Reference

Digitizer class for endcap muon CSCs. More...

#include <SimMuon/CSCDigitizer/src/CSCDigitizer.h>

List of all members.

Public Types
typedef edm::DetSetVector < StripDigiSimLink >	DigiSimLinks
Public Member Functions
	CSCDigitizer (const edm::ParameterSet &p)
	configurable parameters
void	doAction (MixCollection< PSimHit > &simHits, CSCWireDigiCollection &wireDigis, CSCStripDigiCollection &stripDigis, CSCComparatorDigiCollection &comparators, DigiSimLinks &wireDigiSimLinks, DigiSimLinks &stripDigiSimLinks)
	digitize
const CSCLayer *	findLayer (int detId) const
	finds the layer in the geometry associated with this det ID
void	setGeometry (const CSCGeometry *geom)
	sets geometry
void	setMagneticField (const MagneticField *field)
	sets the magnetic field
void	setParticleDataTable (const ParticleDataTable *pdt)
void	setRandomEngine (CLHEP::HepRandomEngine &engine)
void	setStripConditions (CSCStripConditions *cond)
	~CSCDigitizer ()
Private Attributes
CSCStripConditions *	theConditions
const CSCGeometry *	theCSCGeometry
CSCDriftSim *	theDriftSim
CSCNeutronReader *	theNeutronReader
CSCStripElectronicsSim *	theStripElectronicsSim
CSCStripHitSim *	theStripHitSim
CSCWireElectronicsSim *	theWireElectronicsSim
CSCWireHitSim *	theWireHitSim

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Detailed Description

Digitizer class for endcap muon CSCs.

Author:

Rick Wilkinson

Definition at line 37 of file CSCDigitizer.h.

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Member Typedef Documentation

typedef edm::DetSetVector<StripDigiSimLink> CSCDigitizer::DigiSimLinks

Definition at line 40 of file CSCDigitizer.h.

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Constructor & Destructor Documentation

CSCDigitizer::CSCDigitizer

(

const edm::ParameterSet &

p

)

[explicit]

configurable parameters

Definition at line 17 of file CSCDigitizer.cc.

References edm::ParameterSet::getParameter(), and theNeutronReader.

: theDriftSim(new CSCDriftSim()),
  theWireHitSim(new CSCWireHitSim(theDriftSim)),
  theStripHitSim(new CSCStripHitSim()),
  theWireElectronicsSim(new CSCWireElectronicsSim(p.getParameter<edm::ParameterSet>("wires"))),
  theStripElectronicsSim(new CSCStripElectronicsSim(p.getParameter<edm::ParameterSet>("strips"))),
  theNeutronReader(0),
  theCSCGeometry(0)
{
  if(p.getParameter<bool>("doNeutrons"))
  {
    theNeutronReader = new CSCNeutronReader(p.getParameter<edm::ParameterSet>("neutrons"));
  }
}

CSCDigitizer::~CSCDigitizer

(

)

Definition at line 33 of file CSCDigitizer.cc.

References theDriftSim, theNeutronReader, theStripElectronicsSim, theStripHitSim, theWireElectronicsSim, and theWireHitSim.

                            {
  delete theNeutronReader;
  delete theStripElectronicsSim;
  delete theWireElectronicsSim;
  delete theStripHitSim;
  delete theWireHitSim;
  delete theDriftSim;
}

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Member Function Documentation

void CSCDigitizer::doAction	(	MixCollection< PSimHit > &	simHits,
		CSCWireDigiCollection &	wireDigis,
		CSCStripDigiCollection &	stripDigis,
		CSCComparatorDigiCollection &	comparators,
		DigiSimLinks &	wireDigiSimLinks,
		DigiSimLinks &	stripDigiSimLinks
	)

digitize

Definition at line 44 of file CSCDigitizer.cc.

References CSCNeutronReader::addHits(), MixCollection< T >::begin(), CSCDetId::chamber(), CSCBaseElectronicsSim::digiSimLinks(), MixCollection< T >::end(), CSCDetId::endcap(), CSCStripElectronicsSim::fillDigis(), CSCWireElectronicsSim::fillDigis(), findLayer(), CSCLayer::id(), edm::DetSetVector< T >::insert(), CSCStripConditions::isInBadChamber(), CSCDetId::layer(), LogTrace, CSCDetId::ring(), CSCBaseElectronicsSim::simulate(), CSCWireHitSim::simulate(), CSCStripHitSim::simulate(), CSCDetId::station(), t, theConditions, theNeutronReader, theStripElectronicsSim, theStripHitSim, theWireElectronicsSim, and theWireHitSim.

Referenced by CSCDigiProducer::produce().

{
  // arrange the hits by layer
  std::map<int, edm::PSimHitContainer> hitMap;
  for(MixCollection<PSimHit>::MixItr hitItr = simHits.begin();
      hitItr != simHits.end(); ++hitItr) 
  {
    hitMap[hitItr->detUnitId()].push_back(*hitItr);
  }

  // add neutron background, if needed
  if(theNeutronReader != 0)
  {
    theNeutronReader->addHits(hitMap);
  }

  // now loop over layers and run the simulation for each one
  for(std::map<int, edm::PSimHitContainer>::const_iterator hitMapItr = hitMap.begin();
      hitMapItr != hitMap.end(); ++hitMapItr)
  {
    if ( theConditions->isInBadChamber( CSCDetId(hitMapItr->first) ) ) continue; // skip 'bad' chamber

    const CSCLayer * layer = findLayer(hitMapItr->first);
    const edm::PSimHitContainer & layerSimHits = hitMapItr->second;

    std::vector<CSCDetectorHit> newWireHits, newStripHits;
  
    LogTrace("CSCDigitizer") << "CSCDigitizer: found " << layerSimHits.size() <<" hit(s) in layer"
       << " E" << layer->id().endcap() << " S" << layer->id().station() << " R" << layer->id().ring()
       << " C" << layer->id().chamber() << " L" << layer->id().layer();

    // turn the edm::PSimHits into WireHits, using the WireHitSim
    {
      TimeMe t("CSCWireHitSim");
      newWireHits.swap(theWireHitSim->simulate(layer, layerSimHits));
    }
    if(!newWireHits.empty()) {
      TimeMe t("CSCStripHitSim");
      newStripHits.swap(theStripHitSim->simulate(layer, newWireHits));
    }

    // turn the hits into wire digis, using the electronicsSim
    {
      TimeMe t("CSCWireElectronicsSim");
      theWireElectronicsSim->simulate(layer, newWireHits);
      theWireElectronicsSim->fillDigis(wireDigis);
      wireDigiSimLinks.insert( theWireElectronicsSim->digiSimLinks() );
    }  
    {
      TimeMe t("CSCStripElectronicsSim");
      theStripElectronicsSim->simulate(layer, newStripHits);
      theStripElectronicsSim->fillDigis(stripDigis, comparators);
      stripDigiSimLinks.insert( theStripElectronicsSim->digiSimLinks() );
    }
  }
}

const CSCLayer * CSCDigitizer::findLayer

(

int

detId

)

const

finds the layer in the geometry associated with this det ID

Definition at line 134 of file CSCDigitizer.cc.

References Exception, CSCGeometry::idToDetUnit(), and theCSCGeometry.

Referenced by doAction().

                                                        {
  assert(theCSCGeometry != 0);
  const GeomDetUnit* detUnit = theCSCGeometry->idToDetUnit(CSCDetId(detId));
  if(detUnit == 0)
  {
    throw cms::Exception("CSCDigiProducer") << "Invalid DetUnit: " << CSCDetId(detId)
      << "\nPerhaps your signal or pileup dataset are not compatible with the current release?";
  }  
  return dynamic_cast<const CSCLayer *>(detUnit);
}

void CSCDigitizer::setGeometry

(

const CSCGeometry *

geom

)

[inline]

sets geometry

Definition at line 57 of file CSCDigitizer.h.

References theCSCGeometry.

Referenced by CSCDigiProducer::produce().

{theCSCGeometry = geom;}

void CSCDigitizer::setMagneticField

(

const MagneticField *

field

)

sets the magnetic field

Definition at line 107 of file CSCDigitizer.cc.

References CSCDriftSim::setMagneticField(), and theDriftSim.

Referenced by CSCDigiProducer::produce().

                                                               {
  theDriftSim->setMagneticField(field);
}

void CSCDigitizer::setParticleDataTable

(

const ParticleDataTable *

pdt

)

Definition at line 119 of file CSCDigitizer.cc.

References CSCWireHitSim::setParticleDataTable(), and theWireHitSim.

Referenced by CSCDigiProducer::produce().

{
  theWireHitSim->setParticleDataTable(pdt);
}

void CSCDigitizer::setRandomEngine

(

CLHEP::HepRandomEngine &

engine

)

Definition at line 125 of file CSCDigitizer.cc.

References SubsystemNeutronReader::setRandomEngine(), CSCWireHitSim::setRandomEngine(), CSCBaseElectronicsSim::setRandomEngine(), theNeutronReader, theStripElectronicsSim, theWireElectronicsSim, and theWireHitSim.

Referenced by CSCDigiProducer::CSCDigiProducer().

{
  theWireHitSim->setRandomEngine(engine);
  theWireElectronicsSim->setRandomEngine(engine);
  theStripElectronicsSim->setRandomEngine(engine);
  if(theNeutronReader) theNeutronReader->setRandomEngine(engine);
}

void CSCDigitizer::setStripConditions

(

CSCStripConditions *

cond

)

Definition at line 112 of file CSCDigitizer.cc.

References CSCStripElectronicsSim::setStripConditions(), theConditions, and theStripElectronicsSim.

Referenced by CSCDigiProducer::CSCDigiProducer().

{
  theConditions = cond; // cache here
  theStripElectronicsSim->setStripConditions(cond); // percolate downwards
}

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Member Data Documentation

CSCStripConditions* CSCDigitizer::theConditions [private]

Definition at line 80 of file CSCDigitizer.h.

Referenced by doAction(), and setStripConditions().

const CSCGeometry* CSCDigitizer::theCSCGeometry [private]

Definition at line 79 of file CSCDigitizer.h.

Referenced by findLayer(), and setGeometry().

CSCDriftSim* CSCDigitizer::theDriftSim [private]

Definition at line 73 of file CSCDigitizer.h.

Referenced by setMagneticField(), and ~CSCDigitizer().

CSCNeutronReader* CSCDigitizer::theNeutronReader [private]

Definition at line 78 of file CSCDigitizer.h.

Referenced by CSCDigitizer(), doAction(), setRandomEngine(), and ~CSCDigitizer().

CSCStripElectronicsSim* CSCDigitizer::theStripElectronicsSim [private]

Definition at line 77 of file CSCDigitizer.h.

Referenced by doAction(), setRandomEngine(), setStripConditions(), and ~CSCDigitizer().

CSCStripHitSim* CSCDigitizer::theStripHitSim [private]

Definition at line 75 of file CSCDigitizer.h.

Referenced by doAction(), and ~CSCDigitizer().

CSCWireElectronicsSim* CSCDigitizer::theWireElectronicsSim [private]

Definition at line 76 of file CSCDigitizer.h.

Referenced by doAction(), setRandomEngine(), and ~CSCDigitizer().

CSCWireHitSim* CSCDigitizer::theWireHitSim [private]

Definition at line 74 of file CSCDigitizer.h.

Referenced by doAction(), setParticleDataTable(), setRandomEngine(), and ~CSCDigitizer().

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The documentation for this class was generated from the following files:

• SimMuon/CSCDigitizer/src/CSCDigitizer.h
• SimMuon/CSCDigitizer/src/CSCDigitizer.cc

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