VertexMerger Class Reference

Inheritance diagram for VertexMerger:

Public Member Functions
virtual void	produce (edm::Event &event, const edm::EventSetup &es)
	VertexMerger (const edm::ParameterSet &params)
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

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

Private Attributes
double	maxFraction
double	minSignificance
edm::InputTag	secondaryVertexCollection

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Definition at line 17 of file VertexMerger.cc.

Constructor & Destructor Documentation

VertexMerger::VertexMerger

(

const edm::ParameterSet &

params

)

Definition at line 32 of file VertexMerger.cc.

                                                        :
//  primaryVertexCollection(params.getParameter<edm::InputTag>("primaryVertices")),
    secondaryVertexCollection(params.getParameter<edm::InputTag>("secondaryVertices")),
    maxFraction(params.getParameter<double>("maxFraction")),
    minSignificance(params.getParameter<double>("minSignificance"))
{
    produces<reco::VertexCollection>();
}

Member Function Documentation

void VertexMerger::produce ( edm::Event &  event, const edm::EventSetup &  es  )

virtual

Implements edm::EDProducer.

Definition at line 63 of file VertexMerger.cc.

References computeSharedTracks(), maxFraction, minSignificance, dt_dqm_sourceclient_common_cff::reco, and secondaryVertexCollection.

{
    using namespace reco;

    edm::Handle<VertexCollection> secondaryVertices;
    event.getByLabel(secondaryVertexCollection, secondaryVertices);

        VertexDistance3D dist;
    std::auto_ptr<VertexCollection> recoVertices(new VertexCollection);
    for(std::vector<reco::Vertex>::const_iterator sv = secondaryVertices->begin();
        sv != secondaryVertices->end(); ++sv) {
          recoVertices->push_back(*sv);
        }
       for(std::vector<reco::Vertex>::iterator sv = recoVertices->begin();
        sv != recoVertices->end(); ++sv) {

        bool shared=false;
       for(std::vector<reco::Vertex>::iterator sv2 = recoVertices->begin();
        sv2 != recoVertices->end(); ++sv2) {
                  double fr=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(*sv,*sv2).significance() < minSignificance && sv-sv2!=0 
                    && fr >= 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(recoVertices);



}

bool VertexMerger::trackFilter ( const reco::TrackRef &  track ) const

private

Member Data Documentation

double VertexMerger::maxFraction

private

Definition at line 28 of file VertexMerger.cc.

Referenced by produce().

double VertexMerger::minSignificance

private

Definition at line 29 of file VertexMerger.cc.

Referenced by produce().

edm::InputTag VertexMerger::secondaryVertexCollection

private

Definition at line 27 of file VertexMerger.cc.

Referenced by produce().