Inheritance diagram for DeltaRNearestObjectComputer< T >:

Public Member Functions
	DeltaRNearestObjectComputer (const edm::ParameterSet &iConfig)

virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)

virtual	~DeltaRNearestObjectComputer ()

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 Attributes
StringCutObjectSelector< T, true >	objCut_

edm::InputTag	objects_

edm::InputTag	probes_

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)

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

template<typename T>
class DeltaRNearestObjectComputer< T >

Definition at line 44 of file DeltaRNearestObjectComputer.cc.

Constructor & Destructor Documentation

template<typename T >

DeltaRNearestObjectComputer< T >::DeltaRNearestObjectComputer ( const edm::ParameterSet & iConfig )

explicit

Definition at line 58 of file DeltaRNearestObjectComputer.cc.

                                                                                            :
     probes_(iConfig.getParameter<edm::InputTag>("probes")),
     objects_(iConfig.getParameter<edm::InputTag>("objects")),
     objCut_(iConfig.existsAs<std::string>("objectSelection") ? iConfig.getParameter<std::string>("objectSelection") : "", true)
 {
     produces<edm::ValueMap<float> >();
 }

template<typename T >

DeltaRNearestObjectComputer< T >::~DeltaRNearestObjectComputer ( )

virtual

Definition at line 68 of file DeltaRNearestObjectComputer.cc.

69 {

70 }

Member Function Documentation

template<typename T >

void DeltaRNearestObjectComputer< T >::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDProducer.

Definition at line 74 of file DeltaRNearestObjectComputer.cc.

References Geom::deltaR2(), edm::Event::getByLabel(), VarParsing::obj, edm::Event::put(), mathSSE::sqrt(), and makeHLTPrescaleTable::values.

                                                                                        {
     using namespace edm;
 
     // read input
     Handle<View<reco::Candidate> > probes;
     iEvent.getByLabel(probes_,  probes);
 
     Handle<View<T> > objects;
     iEvent.getByLabel(objects_, objects);
 
     // prepare vector for output    
     std::vector<float> values;
     
     // fill
     View<reco::Candidate>::const_iterator probe, endprobes = probes->end();
     for (probe = probes->begin(); probe != endprobes; ++probe) {
         double dr2min = 10000;
         for (unsigned int iObj=0; iObj<objects->size(); iObj++) {
       const T& obj = objects->at(iObj);
       if (!objCut_(obj)) continue;
             double dr2 = deltaR2(*probe, obj);
             if (dr2 < dr2min) { dr2min = dr2; }
         }
         values.push_back(sqrt(dr2min));
     }
 
     // convert into ValueMap and store
     std::auto_ptr<ValueMap<float> > valMap(new ValueMap<float>());
     ValueMap<float>::Filler filler(*valMap);
     filler.insert(probes, values.begin(), values.end());
     filler.fill();
     iEvent.put(valMap);
 }