edm::FlatRandomEGunProducer Class Reference

#include <FlatRandomEGunProducer.h>

Inheritance diagram for edm::FlatRandomEGunProducer:

Public Member Functions
	FlatRandomEGunProducer (const ParameterSet &pset)
void	produce (Event &e, const EventSetup &es) override
	~FlatRandomEGunProducer () 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
	EDProducer (const EDProducer &)=delete
SerialTaskQueue *	globalLuminosityBlocksQueue () final
SerialTaskQueue *	globalRunsQueue () final
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () const final
const EDProducer &	operator= (const EDProducer &)=delete
bool	wantsGlobalLuminosityBlocks () const final
bool	wantsGlobalRuns () const final
bool	wantsInputProcessBlocks () const final
bool	wantsProcessBlocks () 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
std::vector< ESProxyIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const
std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (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::array< std::vector< ModuleDescription const * > *, NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, 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	selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
double	fMaxE
double	fMinE

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)
template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept
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<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept
template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag) noexcept
template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...
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)
void	resetItemsToGetFrom (BranchType iType)
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 FlatRandomEGunProducer.h.

Constructor & Destructor Documentation

FlatRandomEGunProducer::FlatRandomEGunProducer

(

const ParameterSet &

pset

)

Definition at line 22 of file FlatRandomEGunProducer.cc.

References gather_cfg::cout, fMaxE, fMinE, and edm::ParameterSet::getParameter().

                                                                       : BaseFlatGunProducer(pset) {
  ParameterSet defpset;
  // ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters") ;
  ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters");

  // doesn't seem necessary to check if pset is empty - if this
  // is the case, default values will be taken for params
  fMinE = pgun_params.getParameter<double>("MinE");
  fMaxE = pgun_params.getParameter<double>("MaxE");

  produces<HepMCProduct>("unsmeared");
  produces<GenEventInfoProduct>();

  cout << "Internal FlatRandomEGun is initialzed" << endl;
  // cout << "It is going to generate " << remainingEvents() << "events" << endl ;
}

FlatRandomEGunProducer::~FlatRandomEGunProducer ( )

override

Definition at line 39 of file FlatRandomEGunProducer.cc.

                                                {
  // no need to cleanup fEvt since it's done in HepMCProduct
}

Member Function Documentation

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

overridevirtual

Implements edm::one::EDProducerBase.

Definition at line 43 of file FlatRandomEGunProducer.cc.

References funct::abs(), funct::cos(), gather_cfg::cout, relval_parameters_module::energy, PVValHelper::eta, edm::EventID::event(), funct::exp(), edm::BaseFlatGunProducer::fAddAntiParticle, edm::BaseFlatGunProducer::fEvt, fMaxE, edm::BaseFlatGunProducer::fMaxEta, edm::BaseFlatGunProducer::fMaxPhi, fMinE, edm::BaseFlatGunProducer::fMinEta, edm::BaseFlatGunProducer::fMinPhi, edm::BaseFlatGunProducer::fPartIDs, edm::BaseFlatGunProducer::fPDGTable, edm::BaseFlatGunProducer::fVerbosity, GenParticle::GenParticle, edm::RandomNumberGenerator::getEngine(), edm::EventBase::id(), ResonanceBuilder::mass, eostools::move(), AlCaHLTBitMon_ParallelJobs::p, edm::Event::put(), funct::sin(), mathSSE::sqrt(), edm::Event::streamID(), and theta().

                                                                   {
  edm::Service<edm::RandomNumberGenerator> rng;
  CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());

  if (fVerbosity > 0) {
    cout << " FlatRandomEGunProducer : 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(HepMC::FourVector(0., 0., 0.));

  // loop over particles
  //
  int barcode = 1;
  for (unsigned int ip = 0; ip < fPartIDs.size(); ip++) {
    double energy = CLHEP::RandFlat::shoot(engine, fMinE, fMaxE);
    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 mom2 = energy * energy - mass * mass;
    double mom = 0.;
    if (mom2 > 0.) {
      mom = sqrt(mom2);
    } else {
      mom = 0.;
    }
    double theta = 2. * atan(exp(-eta));
    double px = mom * sin(theta) * cos(phi);
    double py = mom * sin(theta) * sin(phi);
    double pz = mom * cos(theta);

    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) {
      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();
  }

  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() ;  // for some strange reason, it prints NO event info
    // after it's been put into edm::Event...
    cout << " FlatRandomEGunProducer : Event Generation Done " << endl;
  }
}

Member Data Documentation

double edm::FlatRandomEGunProducer::fMaxE

private

Definition at line 25 of file FlatRandomEGunProducer.h.

Referenced by FlatRandomEGunProducer(), and produce().

double edm::FlatRandomEGunProducer::fMinE

private

Definition at line 24 of file FlatRandomEGunProducer.h.

Referenced by FlatRandomEGunProducer(), and produce().