#include <FlatRandomOneOverPtGunProducer.h>

Inheritance diagram for edm::FlatRandomOneOverPtGunProducer:

Public Member Functions
	FlatRandomOneOverPtGunProducer (const ParameterSet &pset)

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

	~FlatRandomOneOverPtGunProducer () override

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

	~BaseFlatGunProducer () override

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

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

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

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const

bool	wantsStreamRuns () const

	~EDProducerBase () override

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 ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

std::vector< bool > const &	recordProvenanceList () const

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, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

TypeLabelList const &	typeLabelList () const
	used by the fwk to register the list of products of this module More...

	~ProducerBase () noexcept(false) override

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 &&)=default

	EDConsumerBase (EDConsumerBase const &)=delete

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

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 &	operator= (EDConsumerBase &&)=default

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

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

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

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

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
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex > >

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::ProducerBase
template<class ProductType >
BranchAliasSetterT< ProductType >	produces ()
	declare what type of product will make and with which optional label More...

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces ()

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces ()

BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<BranchType B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<Transition B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<class ProductType >
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (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 ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

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

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

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (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 13 of file FlatRandomOneOverPtGunProducer.h.

Constructor & Destructor Documentation

◆ FlatRandomOneOverPtGunProducer()

FlatRandomOneOverPtGunProducer::FlatRandomOneOverPtGunProducer ( const ParameterSet & pset )

Definition at line 18 of file FlatRandomOneOverPtGunProducer.cc.

     : 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;
 }

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

◆ ~FlatRandomOneOverPtGunProducer()

FlatRandomOneOverPtGunProducer::~FlatRandomOneOverPtGunProducer ( )

override

Definition at line 33 of file FlatRandomOneOverPtGunProducer.cc.

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

Member Function Documentation

◆ produce()

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

overridevirtual

Implements edm::one::EDProducerBase.

Definition at line 37 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 ";
 }