MCVerticesWeight Class Reference

#include <Validation/RecoVertex/MCVerticesWeight.cc>

Inheritance diagram for MCVerticesWeight:

List of all members.

Public Member Functions
	MCVerticesWeight (const edm::ParameterSet &)
	~MCVerticesWeight ()
Private Member Functions
virtual void	beginJob ()
virtual void	endJob ()
virtual bool	filter (edm::Event &, const edm::EventSetup &)
Private Attributes
edm::InputTag	m_mctruthcollection
edm::InputTag	m_pileupcollection
const VertexWeighter	m_weighter

---

Detailed Description

Description:

Implementation: <Notes on="" implementation>="">

Definition at line 49 of file MCVerticesWeight.cc.

---

Constructor & Destructor Documentation

MCVerticesWeight::MCVerticesWeight

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 78 of file MCVerticesWeight.cc.

                                                                :
  m_pileupcollection(iConfig.getParameter<edm::InputTag>("pileupSummaryCollection")),
  m_mctruthcollection(iConfig.getParameter<edm::InputTag>("mcTruthCollection")),
  m_weighter(iConfig.getParameter<edm::ParameterSet>("weighterConfig"))
{

  produces<double>();

}

MCVerticesWeight::~MCVerticesWeight

(

)

Definition at line 88 of file MCVerticesWeight.cc.

{
 
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)

}

---

Member Function Documentation

void MCVerticesWeight::beginJob

(

void

)

[private, virtual]

Reimplemented from edm::EDFilter.

Definition at line 168 of file MCVerticesWeight.cc.

{
}

void MCVerticesWeight::endJob

(

void

)

[private, virtual]

Reimplemented from edm::EDFilter.

Definition at line 174 of file MCVerticesWeight.cc.

                         {
}

bool MCVerticesWeight::filter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		[private, virtual]

Implements edm::EDFilter.

Definition at line 103 of file MCVerticesWeight.cc.

References edm::Event::getByLabel(), m_mctruthcollection, m_pileupcollection, m_weighter, edm::Event::put(), VertexWeighter::weight(), and histoStyle::weight.

{
  using namespace edm;
  
  bool selected = true;
  
  double computed_weight(1);

  Handle<std::vector<PileupSummaryInfo> > pileupinfos;
   iEvent.getByLabel(m_pileupcollection,pileupinfos);


  // look for the intime PileupSummaryInfo

   std::vector<PileupSummaryInfo>::const_iterator pileupinfo;
   for(pileupinfo = pileupinfos->begin(); pileupinfo != pileupinfos->end() ; ++pileupinfo) {
     if(pileupinfo->getBunchCrossing()==0) break;
   } 
   
   //
   if(pileupinfo->getBunchCrossing()!=0) {
     edm::LogError("NoInTimePileUpInfo") << "Cannot find the in-time pileup info " << pileupinfo->getBunchCrossing();
   }
   else {
     
     //     pileupinfo->getPU_NumInteractions();
     
     const std::vector<float>& zpositions = pileupinfo->getPU_zpositions();
     
     //     for(std::vector<float>::const_iterator zpos = zpositions.begin() ; zpos != zpositions.end() ; ++zpos) {
       
     //     }
     
     // main interaction part
     
     Handle< HepMCProduct > EvtHandle ;
     iEvent.getByLabel(m_mctruthcollection, EvtHandle ) ;
     
     const HepMC::GenEvent* Evt = EvtHandle->GetEvent();
     
     // get the first vertex
     
     double zmain = 0.0;
     if(Evt->vertices_begin() != Evt->vertices_end()) {
       zmain = (*Evt->vertices_begin())->point3d().z()/10.;
     }
     
     //
    
     
     computed_weight = m_weighter.weight(zpositions,zmain);
     
   }
   
   std::auto_ptr<double> weight(new double(computed_weight));
   
   iEvent.put(weight);
   
   //
   
  return selected;
}

---

Member Data Documentation

edm::InputTag MCVerticesWeight::m_mctruthcollection [private]

Definition at line 62 of file MCVerticesWeight.cc.

Referenced by filter().

edm::InputTag MCVerticesWeight::m_pileupcollection [private]

Definition at line 61 of file MCVerticesWeight.cc.

Referenced by filter().

const VertexWeighter MCVerticesWeight::m_weighter [private]

Definition at line 63 of file MCVerticesWeight.cc.

Referenced by filter().