#include <ExpoRandomPtGunProducer.h>

Inheritance diagram for edm::ExpoRandomPtGunProducer:

Public Member Functions
	ExpoRandomPtGunProducer (const ParameterSet &pset)

	~ExpoRandomPtGunProducer () 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

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)

	~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 const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

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 const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

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)

Protected Attributes
double	fMaxPt

double	fMeanPt

double	fMinPt

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

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

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
ProducesCollector	producesCollector ()

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 ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

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

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)

Detailed Description

Definition at line 14 of file ExpoRandomPtGunProducer.h.

Constructor & Destructor Documentation

ExpoRandomPtGunProducer::ExpoRandomPtGunProducer ( const ParameterSet & pset )

Definition at line 23 of file ExpoRandomPtGunProducer.cc.

References fMaxPt, fMeanPt, fMinPt, and edm::ParameterSet::getParameter().

                                                                          : BaseFlatGunProducer(pset) {
   ParameterSet defpset;
   ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters");
 
   fMinPt = pgun_params.getParameter<double>("MinPt");
   fMaxPt = pgun_params.getParameter<double>("MaxPt");
 
   fMeanPt = pgun_params.getParameter<double>("MeanPt");
 
   produces<HepMCProduct>("unsmeared");
   produces<GenEventInfoProduct>();
 }

ExpoRandomPtGunProducer::~ExpoRandomPtGunProducer ( )

override

Definition at line 36 of file ExpoRandomPtGunProducer.cc.

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

Member Function Documentation

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

overrideprivate

Definition at line 40 of file ExpoRandomPtGunProducer.cc.

                                                                     {
   edm::Service<edm::RandomNumberGenerator> rng;
   CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());
 
   if (fVerbosity > 0) {
     cout << " ExpoRandomPtGunProducer : Begin New Event Generation" << endl;
   }
   // 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(CLHEP::HepLorentzVector(0.,0.,0.));
   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) {
     //the max is to ensure you don't generate at 0
     //the 90% is to get rid of edge effect
 
     double pt = std::max(0.00001, 0.90 * fMinPt) + CLHEP::RandExponential::shoot(engine, fMeanPt);
     //shoot until in the designated range
     while (pt < fMinPt || pt > fMaxPt) {
       pt = std::max(0.00001, 0.90 * fMinPt) + CLHEP::RandExponential::shoot(engine, fMeanPt);
     }
 
     double eta = CLHEP::RandFlat::shoot(engine, fMinEta, fMaxEta);
     double phi = CLHEP::RandFlat::shoot(engine, fMinPhi, fMaxPhi);
     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);
     //CLHEP::Hep3Vector p(px,py,pz) ;
     //HepMC::GenParticle* Part =
     //    new HepMC::GenParticle(CLHEP::HepLorentzVector(p,energy),PartID,1);
     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);
 
     if (fAddAntiParticle) {
       //CLHEP::Hep3Vector ap(-px,-py,-pz) ;
       HepMC::FourVector ap(-px, -py, -pz, energy);
       int APartID = -PartID;
       if (PartID == 22 || PartID == 23) {
         APartID = PartID;
       }
       //HepMC::GenParticle* APart =
       //   new HepMC::GenParticle(CLHEP::HepLorentzVector(ap,energy),APartID,1);
       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();
   }
 
   unique_ptr<HepMCProduct> BProduct(new HepMCProduct());
   BProduct->addHepMCData(fEvt);
   e.put(std::move(BProduct), "unsmeared");
 
   unique_ptr<GenEventInfoProduct> genEventInfo(new GenEventInfoProduct(fEvt));
   e.put(std::move(genEventInfo));
 
   if (fVerbosity > 0) {
     // for testing purpose only
     // fEvt->print() ; // prints empty info after it's made into edm::Event
     cout << " FlatRandomPtGunProducer : Event Generation Done " << endl;
   }
 }