MCLongLivedParticles Class Reference

#include <MCLongLivedParticles.h>

Inheritance diagram for MCLongLivedParticles:

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)
	MCLongLivedParticles (const edm::ParameterSet &)
	~MCLongLivedParticles ()
Public Member Functions inherited from edm::EDFilter
	EDFilter ()
virtual	~EDFilter ()
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
float	theCut

Additional Inherited Members
Public Types inherited from edm::EDFilter
typedef EDFilter	ModuleType
typedef WorkerT< EDFilter >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDFilter
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &)
Protected Member Functions inherited from edm::EDFilter
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 40 of file MCLongLivedParticles.h.

Constructor & Destructor Documentation

MCLongLivedParticles::MCLongLivedParticles ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 11 of file MCLongLivedParticles.cc.

References edm::ParameterSet::getUntrackedParameter().

{
   //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.)

}

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::getByType(), AlCaHLTBitMon_ParallelJobs::p, position, and mathSSE::sqrt().

{

  using namespace edm;
  
  Handle<HepMCProduct> evt;
  
  iEvent.getByType(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;
}

Member Data Documentation

float MCLongLivedParticles::theCut

private

Definition at line 50 of file MCLongLivedParticles.h.