#include <FlatRandomOneOverPtGunProducer.h>

Inheritance diagram for edm::FlatRandomOneOverPtGunProducer:

Public Member Functions
	FlatRandomOneOverPtGunProducer (const ParameterSet &pset)

virtual void	produce (Event &e, const EventSetup &es) override

virtual	~FlatRandomOneOverPtGunProducer ()

Public Member Functions inherited from edm::BaseFlatGunProducer
	BaseFlatGunProducer (const ParameterSet &)

void	beginRun (const edm::Run &r, const edm::EventSetup &) override

void	endRun (edm::Run const &r, const edm::EventSetup &) override

void	endRunProduce (edm::Run &r, const edm::EventSetup &) override

virtual	~BaseFlatGunProducer ()

Public Member Functions inherited from edm::one::EDProducer< one::WatchRuns, EndRunProducer >
	EDProducer ()=default

Public Member Functions inherited from edm::one::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

virtual	~EDProducerBase ()

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, std::unordered_multimap< std::string, edm::ProductResolverIndex > const &iIndicies, std::string const &moduleLabel)

virtual	~ProducerBase () noexcept(false)

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

virtual	~EDConsumerBase () noexcept(false)

Private Attributes
double	fMaxOneOverPt

double	fMinOneOverPt

Additional Inherited Members
Public Types inherited from edm::one::EDProducerBase
typedef EDProducerBase	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Protected Attributes inherited from edm::BaseFlatGunProducer
bool	fAddAntiParticle

HepMC::GenEvent *	fEvt

double	fMaxEta

double	fMaxPhi

double	fMinEta

double	fMinPhi

std::vector< int >	fPartIDs

ESHandle< HepPDT::ParticleDataTable >	fPDGTable

int	fVerbosity

Detailed Description

Definition at line 14 of file FlatRandomOneOverPtGunProducer.h.

Constructor & Destructor Documentation

FlatRandomOneOverPtGunProducer::FlatRandomOneOverPtGunProducer ( const ParameterSet & pset )

Definition at line 18 of file FlatRandomOneOverPtGunProducer.cc.

References fMaxOneOverPt, fMinOneOverPt, and edm::ParameterSet::getParameter().

                                                                                           : 
   BaseFlatGunProducer(pset) {
 
 
   edm::ParameterSet defpset ;
   edm::ParameterSet pgun_params = 
     pset.getParameter<ParameterSet>("PGunParameters") ;
   
   fMinOneOverPt = pgun_params.getParameter<double>("MinOneOverPt");
   fMaxOneOverPt = pgun_params.getParameter<double>("MaxOneOverPt");
   
   produces<HepMCProduct>("unsmeared");
   produces<GenEventInfoProduct>();
 
   edm::LogInfo("ParticleGun") << "FlatRandomOneOverPtGunProducer: initialized with minimum and maximum 1/pt " << fMinOneOverPt << ":" << fMaxOneOverPt;
 }

FlatRandomOneOverPtGunProducer::~FlatRandomOneOverPtGunProducer ( )

virtual

Definition at line 35 of file FlatRandomOneOverPtGunProducer.cc.

                                                                 {
   // no need to cleanup GenEvent memory - done in HepMCProduct
 }

Member Function Documentation

void FlatRandomOneOverPtGunProducer::produce	(	Event &	e,
		const EventSetup &	es
	)

overridevirtual

Definition at line 39 of file FlatRandomOneOverPtGunProducer.cc.

                                                                            {
   edm::Service<edm::RandomNumberGenerator> rng;
   CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());
 
 
   LogDebug("ParticleGun") << " FlatRandomOneOverPtGunProducer : Begin New Event Generation"; 
 
   // event loop (well, another step in it...)
           
   // no need to clean up GenEvent memory - done in HepMCProduct
   // 
    
   // here re-create fEvt (memory)
   //
   fEvt = new HepMC::GenEvent() ;
    
   // now actualy, cook up the event from PDGTable and gun parameters
   //
   // 1st, primary vertex
   //
   HepMC::GenVertex* Vtx = new HepMC::GenVertex(HepMC::FourVector(0.,0.,0.));
 
   // loop over particles
   //
   int barcode = 1 ;
   for (unsigned int ip=0; ip<fPartIDs.size(); ++ip) {
 
     double xx     = CLHEP::RandFlat::shoot(engine, 0.0, 1.0);
     double pt     = std::exp((1.-xx)*std::log(fMinOneOverPt)+
                  xx*std::log(fMaxOneOverPt)) ;
     double eta    = CLHEP::RandFlat::shoot(engine, fMinEta, fMaxEta) ;
     double phi    = CLHEP::RandFlat::shoot(engine, fMinPhi, fMaxPhi) ;
     if (pt != 0) pt = 1./pt;
     int PartID = fPartIDs[ip] ;
     const HepPDT::ParticleData* 
       PData = fPDGTable->particle(HepPDT::ParticleID(abs(PartID))) ;
     double mass   = PData->mass().value() ;
     double theta  = 2.*atan(exp(-eta)) ;
     double mom    = pt/sin(theta) ;
     double px     = pt*cos(phi) ;
     double py     = pt*sin(phi) ;
     double pz     = mom*cos(theta) ;
     double energy2= mom*mom + mass*mass ;
     double energy = sqrt(energy2) ; 
     HepMC::FourVector p(px,py,pz,energy) ;
     HepMC::GenParticle* Part = new HepMC::GenParticle(p,PartID,1);
     Part->suggest_barcode( barcode ) ;
     barcode++ ;
     Vtx->add_particle_out(Part);
     LogDebug("ParticleGun") << "FlatRandomOneOverPtGunProducer: Event generated with pt:eta:phi " << pt << " " << eta << " " << phi << " (" << theta/CLHEP::deg << ":" << phi/CLHEP::deg << ")";
 
     if ( fAddAntiParticle ) {
       HepMC::FourVector ap(-px,-py,-pz,energy) ;
       int APartID = -PartID ;
       if ( PartID == 22 || PartID == 23 ) {
     APartID = PartID ;
       }   
       HepMC::GenParticle* APart = new HepMC::GenParticle(ap,APartID,1);
       APart->suggest_barcode( barcode ) ;
       barcode++ ;
       Vtx->add_particle_out(APart) ;
     }
 
   }
 
   fEvt->add_vertex(Vtx) ;
   fEvt->set_event_number(e.id().event()) ;
   fEvt->set_signal_process_id(20) ; 
         
   if ( fVerbosity > 0 ) {
     fEvt->print() ;  
   }
 
   std::unique_ptr<HepMCProduct> BProduct(new HepMCProduct()) ;
   BProduct->addHepMCData( fEvt );
   e.put(std::move(BProduct), "unsmeared");
 
   std::unique_ptr<GenEventInfoProduct> genEventInfo(new GenEventInfoProduct(fEvt));
   e.put(std::move(genEventInfo));
     
   LogDebug("ParticleGun") << " FlatRandomOneOverPtGunProducer : Event Generation Done ";
 }

Member Data Documentation

double edm::FlatRandomOneOverPtGunProducer::fMaxOneOverPt

private

Definition at line 28 of file FlatRandomOneOverPtGunProducer.h.

Referenced by FlatRandomOneOverPtGunProducer(), and produce().

double edm::FlatRandomOneOverPtGunProducer::fMinOneOverPt

private

Definition at line 27 of file FlatRandomOneOverPtGunProducer.h.

Referenced by FlatRandomOneOverPtGunProducer(), and produce().

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation