GEMHitAssociator Class Reference

#include <GEMHitAssociator.h>

Public Types
typedef edm::DetSetVector< StripDigiSimLink >	DigiSimLinks
typedef edm::DetSet< StripDigiSimLink >	LayerLinks
typedef std::pair< uint32_t, EncodedEventId >	SimHitIdpr

Public Member Functions
std::vector< SimHitIdpr >	associateRecHit (const GEMRecHit *gemrechit) const
	GEMHitAssociator (const edm::ParameterSet &, edm::ConsumesCollector &&ic)
	GEMHitAssociator (const edm::Event &e, const edm::EventSetup &eventSetup, const edm::ParameterSet &conf)
void	initEvent (const edm::Event &, const edm::EventSetup &)
	~GEMHitAssociator ()

Private Attributes
std::map< unsigned int, edm::PSimHitContainer >	_SimHitMap
bool	crossingframe
edm::InputTag	GEMdigisimlinkTag
edm::EDGetTokenT< edm::DetSetVector< StripDigiSimLink > >	GEMdigisimlinkToken_
edm::InputTag	GEMsimhitsTag
edm::EDGetTokenT< edm::PSimHitContainer >	GEMsimhitsToken_
edm::InputTag	GEMsimhitsXFTag
edm::EDGetTokenT< CrossingFrame< PSimHit > >	GEMsimhitsXFToken_
const DigiSimLinks *	theDigiSimLinks
bool	useGEMs_

Detailed Description

Definition at line 33 of file GEMHitAssociator.h.

Member Typedef Documentation

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

Definition at line 37 of file GEMHitAssociator.h.

typedef edm::DetSet<StripDigiSimLink> GEMHitAssociator::LayerLinks

Definition at line 38 of file GEMHitAssociator.h.

typedef std::pair<uint32_t, EncodedEventId> GEMHitAssociator::SimHitIdpr

Definition at line 39 of file GEMHitAssociator.h.

Constructor & Destructor Documentation

GEMHitAssociator::GEMHitAssociator	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &&	ic
	)

Definition at line 6 of file GEMHitAssociator.cc.

References crossingframe, GEMdigisimlinkTag, GEMdigisimlinkToken_, GEMsimhitsTag, GEMsimhitsToken_, GEMsimhitsXFTag, GEMsimhitsXFToken_, and edm::InputTag::label().

                                               :
  GEMdigisimlinkTag(conf.getParameter<edm::InputTag>("GEMdigisimlinkTag")),
  // CrossingFrame used or not ?
  crossingframe(conf.getParameter<bool>("crossingframe")),
  useGEMs_(conf.getParameter<bool>("useGEMs")),
  GEMsimhitsTag(conf.getParameter<edm::InputTag>("GEMsimhitsTag")),
  GEMsimhitsXFTag(conf.getParameter<edm::InputTag>("GEMsimhitsXFTag"))
{
  if (crossingframe){
    GEMsimhitsXFToken_=iC.consumes<CrossingFrame<PSimHit> >(GEMsimhitsXFTag);
  } else if (!GEMsimhitsTag.label().empty()) {
    GEMsimhitsToken_=iC.consumes<edm::PSimHitContainer>(GEMsimhitsTag);
  }

  GEMdigisimlinkToken_=iC.consumes< edm::DetSetVector<StripDigiSimLink> >(GEMdigisimlinkTag);
}

GEMHitAssociator::GEMHitAssociator	(	const edm::Event &	e,
		const edm::EventSetup &	eventSetup,
		const edm::ParameterSet &	conf
	)

Definition at line 24 of file GEMHitAssociator.cc.

References initEvent().

                                                                                                                  :
  GEMdigisimlinkTag(conf.getParameter<edm::InputTag>("GEMdigisimlinkTag")),
  // CrossingFrame used or not ?
  crossingframe(conf.getParameter<bool>("crossingframe")),
  useGEMs_(conf.getParameter<bool>("useGEMs")),
  GEMsimhitsTag(conf.getParameter<edm::InputTag>("GEMsimhitsTag")),
  GEMsimhitsXFTag(conf.getParameter<edm::InputTag>("GEMsimhitsXFTag"))
{
  initEvent(e,eventSetup);
}

GEMHitAssociator::~GEMHitAssociator ( )

inline

Definition at line 48 of file GEMHitAssociator.h.

References associateRecHit().

{}

Member Function Documentation

std::vector< GEMHitAssociator::SimHitIdpr > GEMHitAssociator::associateRecHit

(

const GEMRecHit *

gemrechit

)

const

Definition at line 82 of file GEMHitAssociator.cc.

References GEMRecHit::clusterSize(), edm::DetSetVector< T >::end(), spr::find(), edm::DetSetVector< T >::find(), GEMRecHit::firstClusterStrip(), GEMRecHit::gemId(), mps_fire::i, electronMatch_cfi::matched, theDigiSimLinks, and useGEMs_.

Referenced by MuonAssociatorByHitsHelper::getMatchedIds(), and ~GEMHitAssociator().

                                                                                                         {
  
  std::vector<SimHitIdpr> matched;

  if(useGEMs_){
    if (gemrechit) {
        
        GEMDetId gemDetId = gemrechit->gemId();
        int fstrip = gemrechit->firstClusterStrip();
        int cls = gemrechit->clusterSize();
        //int bx = gemrechit->BunchX();

        DigiSimLinks::const_iterator layerLinks = theDigiSimLinks->find(gemDetId);

        if (layerLinks != theDigiSimLinks->end()) {
        
        for(int i = fstrip; i < (fstrip+cls); ++i) {
                  
            for(LayerLinks::const_iterator itlink = layerLinks->begin(); itlink != layerLinks->end(); ++itlink) {

                int ch = static_cast<int>(itlink->channel());
                if(ch != i) continue;

                SimHitIdpr currentId(itlink->SimTrackId(), itlink->eventId());
                if(find(matched.begin(),matched.end(),currentId ) == matched.end())
                    matched.push_back(currentId);

            }

        }

        }else edm::LogWarning("GEMHitAssociator")
          <<"*** WARNING in GEMHitAssociator: GEM layer "<<gemDetId<<" has no DigiSimLinks !"<<std::endl;
        
      } else edm::LogWarning("GEMHitAssociator")<<"*** WARNING in GEMHitAssociator::associateRecHit, null dynamic_cast !";

  }
  
  return  matched;

}

void GEMHitAssociator::initEvent	(	const edm::Event &	e,
		const edm::EventSetup &	eventSetup
	)

Definition at line 35 of file GEMHitAssociator.cc.

References _SimHitMap, crossingframe, TTClusterAssociation_cfi::digiSimLinks, GEMdigisimlinkTag, GEMsimhitsTag, GEMsimhitsXFTag, edm::Event::getByLabel(), edm::InputTag::label(), LogTrace, edm::Handle< T >::product(), theDigiSimLinks, and useGEMs_.

Referenced by GEMHitAssociator().

{

  if(useGEMs_){

      if (crossingframe) {
        
        edm::Handle<CrossingFrame<PSimHit> > cf;
        LogTrace("GEMHitAssociator") <<"getting CrossingFrame<PSimHit> collection - "<<GEMsimhitsXFTag;
        e.getByLabel(GEMsimhitsXFTag, cf);
        
        std::unique_ptr<MixCollection<PSimHit> > 
          GEMsimhits( new MixCollection<PSimHit>(cf.product()) );
        LogTrace("GEMHitAssociator") <<"... size = "<<GEMsimhits->size();

        //   MixCollection<PSimHit> & simHits = *hits;
        
        for(MixCollection<PSimHit>::MixItr hitItr = GEMsimhits->begin();
        hitItr != GEMsimhits->end(); ++hitItr) 
          {
        _SimHitMap[hitItr->detUnitId()].push_back(*hitItr);
          }
        
      } else if (!GEMsimhitsTag.label().empty()) {
        edm::Handle<edm::PSimHitContainer> GEMsimhits;
        LogTrace("GEMHitAssociator") <<"getting PSimHit collection - "<<GEMsimhitsTag;
        e.getByLabel(GEMsimhitsTag, GEMsimhits);    
        LogTrace("GEMHitAssociator") <<"... size = "<<GEMsimhits->size();
        
        // arrange the hits by detUnit
        for(edm::PSimHitContainer::const_iterator hitItr = GEMsimhits->begin();
        hitItr != GEMsimhits->end(); ++hitItr)
          {
        _SimHitMap[hitItr->detUnitId()].push_back(*hitItr);
          }
      }

      edm::Handle<DigiSimLinks> digiSimLinks;
      LogTrace("GEMHitAssociator") <<"getting GEM Strip DigiSimLink collection - "<<GEMdigisimlinkTag;
      e.getByLabel(GEMdigisimlinkTag, digiSimLinks);
      theDigiSimLinks = digiSimLinks.product();

  }

}

Member Data Documentation

std::map<unsigned int, edm::PSimHitContainer> GEMHitAssociator::_SimHitMap

private

Definition at line 66 of file GEMHitAssociator.h.

Referenced by initEvent().

bool GEMHitAssociator::crossingframe

private

Definition at line 57 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator(), and initEvent().

edm::InputTag GEMHitAssociator::GEMdigisimlinkTag

private

Definition at line 55 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator(), and initEvent().

edm::EDGetTokenT<edm::DetSetVector<StripDigiSimLink> > GEMHitAssociator::GEMdigisimlinkToken_

private

Definition at line 64 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator().

edm::InputTag GEMHitAssociator::GEMsimhitsTag

private

Definition at line 59 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator(), and initEvent().

edm::EDGetTokenT<edm::PSimHitContainer> GEMHitAssociator::GEMsimhitsToken_

private

Definition at line 63 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator().

edm::InputTag GEMHitAssociator::GEMsimhitsXFTag

private

Definition at line 60 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator(), and initEvent().

edm::EDGetTokenT<CrossingFrame<PSimHit> > GEMHitAssociator::GEMsimhitsXFToken_

private

Definition at line 62 of file GEMHitAssociator.h.

Referenced by GEMHitAssociator().

const DigiSimLinks* GEMHitAssociator::theDigiSimLinks

private

Definition at line 54 of file GEMHitAssociator.h.

Referenced by associateRecHit(), and initEvent().

bool GEMHitAssociator::useGEMs_

private

Definition at line 58 of file GEMHitAssociator.h.

Referenced by associateRecHit(), and initEvent().