TemplatedVertexMerger< VTX > Class Template Reference

Inheritance diagram for TemplatedVertexMerger< VTX >:

Public Types
typedef std::vector< VTX >	Product
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

Public Member Functions
void	produce (edm::Event &event, const edm::EventSetup &es) override
	TemplatedVertexMerger (const edm::ParameterSet &params)
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndRuns () const final

Private Member Functions
bool	trackFilter (const reco::TrackRef &track) const

Private Attributes
double	maxFraction
double	minSignificance
edm::EDGetTokenT< Product >	token_secondaryVertex

Detailed Description

template<class VTX>
class TemplatedVertexMerger< VTX >

Definition at line 22 of file VertexMerger.cc.

Member Typedef Documentation

Product

template<class VTX >

typedef std::vector<VTX> TemplatedVertexMerger< VTX >::Product

Definition at line 24 of file VertexMerger.cc.

Constructor & Destructor Documentation

TemplatedVertexMerger()

template<class VTX >

TemplatedVertexMerger< VTX >::TemplatedVertexMerger

(

const edm::ParameterSet &

params

)

Definition at line 38 of file VertexMerger.cc.

    : maxFraction(params.getParameter<double>("maxFraction")),
      minSignificance(params.getParameter<double>("minSignificance")) {
  token_secondaryVertex = consumes<Product>(params.getParameter<edm::InputTag>("secondaryVertices"));
  produces<Product>();
}

References CalibrationSummaryClient_cfi::params, and TemplatedVertexMerger< VTX >::token_secondaryVertex.

Member Function Documentation

produce()

template<class VTX >

void TemplatedVertexMerger< VTX >::produce ( edm::Event &  event, const edm::EventSetup &  es  )

override

Definition at line 46 of file VertexMerger.cc.

                                                                                 {
  using namespace reco;
 
  edm::Handle<Product> secondaryVertices;
  event.getByToken(token_secondaryVertex, secondaryVertices);
 
  VertexDistance3D dist;
  auto recoVertices = std::make_unique<Product>();
  for (typename Product::const_iterator sv = secondaryVertices->begin(); sv != secondaryVertices->end(); ++sv) {
    recoVertices->push_back(*sv);
  }
  for (typename Product::iterator sv = recoVertices->begin(); sv != recoVertices->end(); ++sv) {
    bool shared = false;
    VertexState s1(RecoVertex::convertPos(sv->position()), RecoVertex::convertError(sv->error()));
    for (typename Product::iterator sv2 = recoVertices->begin(); sv2 != recoVertices->end(); ++sv2) {
      VertexState s2(RecoVertex::convertPos(sv2->position()), RecoVertex::convertError(sv2->error()));
      double fr = vertexTools::computeSharedTracks(*sv2, *sv);
      //        std::cout << sv2-recoVertices->begin() << " vs " << sv-recoVertices->begin() << " : " << fr << " "  <<  computeSharedTracks(*sv, *sv2) << " sig " << dist.distance(*sv,*sv2).significance() << std::endl;
      //      std::cout << (fr > maxFraction) << " && " << (dist.distance(*sv,*sv2).significance() < 2)  <<  " && " <<  (sv-sv2!=0)  << " && " <<  (fr >= computeSharedTracks(*sv2, *sv))  << std::endl;
      if (fr > maxFraction && dist.distance(s1, s2).significance() < minSignificance && sv - sv2 != 0 &&
          fr >= vertexTools::computeSharedTracks(*sv, *sv2)) {
        shared = true;
        // std::cout << "shared " << sv-recoVertices->begin() << " and "  << sv2-recoVertices->begin() << " fractions: " << fr << " , "  << computeSharedTracks(*sv2, *sv) << " sig: " <<  dist.distance(*sv,*sv2).significance() <<  std::endl;
      }
    }
    if (shared) {
      sv = recoVertices->erase(sv) - 1;
    }
    //    std::cout << "it = " <<  sv-recoVertices->begin() << " new size is: " << recoVertices->size() <<   std::endl;
  }
 
  event.put(std::move(recoVertices));
}

References vertexTools::computeSharedTracks(), RecoVertex::convertError(), RecoVertex::convertPos(), VertexDistance3D::distance(), HLT_2018_cff::maxFraction, HLT_2018_cff::minSignificance, eostools::move(), indexGen::s2, HLT_2018_cff::secondaryVertices, Measurement1D::significance(), and pfDeepBoostedJetPreprocessParams_cfi::sv.

trackFilter()

template<class VTX >

bool TemplatedVertexMerger< VTX >::trackFilter ( const reco::TrackRef &  track ) const

private

Member Data Documentation

maxFraction

template<class VTX >

double TemplatedVertexMerger< VTX >::maxFraction

private

Definition at line 33 of file VertexMerger.cc.

minSignificance

template<class VTX >

double TemplatedVertexMerger< VTX >::minSignificance

private

Definition at line 34 of file VertexMerger.cc.

token_secondaryVertex

template<class VTX >

edm::EDGetTokenT<Product> TemplatedVertexMerger< VTX >::token_secondaryVertex

private

Definition at line 32 of file VertexMerger.cc.

Referenced by TemplatedVertexMerger< VTX >::TemplatedVertexMerger().