MCLongLivedParticles Class Reference

#include <MCLongLivedParticles.h>

Inheritance diagram for MCLongLivedParticles:

List of all members.

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)
	MCLongLivedParticles (const edm::ParameterSet &)
	~MCLongLivedParticles ()
Private Attributes
edm::InputTag	hepMCProductTag_
float	theCut

---

Detailed Description

Definition at line 41 of file MCLongLivedParticles.h.

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Constructor & Destructor Documentation

MCLongLivedParticles::MCLongLivedParticles

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 11 of file MCLongLivedParticles.cc.

References edm::ParameterSet::getUntrackedParameter(), and theCut.

                                                                         :
  hepMCProductTag_(iConfig.getParameter<edm::InputTag>("hepMCProductTag")) {
   //here do whatever other initialization is needed
  theCut = iConfig.getUntrackedParameter<double>("LengCut",10.);
}

MCLongLivedParticles::~MCLongLivedParticles

(

)

Definition at line 18 of file MCLongLivedParticles.cc.

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

}

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Member Function Documentation

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

Implements edm::EDFilter.

Definition at line 28 of file MCLongLivedParticles.cc.

References edm::Event::getByLabel(), hepMCProductTag_, AlCaHLTBitMon_ParallelJobs::p, position, mathSSE::sqrt(), and theCut.

{

  using namespace edm;
  
  Handle<HepMCProduct> evt;
  
  iEvent.getByLabel(hepMCProductTag_, evt);
  
  bool pass = false;
  
  const HepMC::GenEvent * generated_event = evt->GetEvent();
  HepMC::GenEvent::particle_const_iterator p;
  
  for (p = generated_event->particles_begin(); p != generated_event->particles_end(); p++)
    { 

      if((*p)->production_vertex()!=0&&(*p)->end_vertex()!=0)
        {
          float dist = sqrt((((*p)->production_vertex())->position().x()-((*p)->end_vertex())->position().x())*(((*p)->production_vertex())->position().x()-((*p)->end_vertex())->position().x())+
                            (((*p)->production_vertex())->position().y()-((*p)->end_vertex())->position().y())*(((*p)->production_vertex())->position().y()-((*p)->end_vertex())->position().y()));
          if(dist>theCut)
            pass=true;
        }
      
      if((*p)->production_vertex()==0&&!(*p)->end_vertex()!=0)
        {
          if(((*p)->end_vertex())->position().perp()>theCut)
            pass=true;
        }
      
      if(pass)
        return pass;
    }
  
  return pass;
}

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Member Data Documentation

edm::InputTag MCLongLivedParticles::hepMCProductTag_ [private]

Definition at line 52 of file MCLongLivedParticles.h.

Referenced by filter().

float MCLongLivedParticles::theCut [private]

Definition at line 51 of file MCLongLivedParticles.h.

Referenced by filter(), and MCLongLivedParticles().