LHE2HepMCConverter Class Reference

#include <GeneratorInterface/LHE2HepMCConverter/src/LHE2HepMCConverter.cc>

Inheritance diagram for LHE2HepMCConverter:

Public Member Functions
	LHE2HepMCConverter (const edm::ParameterSet &)
	~LHE2HepMCConverter () override
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
SerialTaskQueue *	globalLuminosityBlocksQueue ()
SerialTaskQueue *	globalRunsQueue ()
ModuleDescription const &	moduleDescription () const
	~EDProducer () 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
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 &	operator= (EDConsumerBase &&)=default
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
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)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
static bool	wantsGlobalLuminosityBlocks ()
static bool	wantsGlobalRuns ()
static bool	wantsInputProcessBlocks ()
static bool	wantsProcessBlocks ()
static bool	wantsStreamLuminosityBlocks ()
static bool	wantsStreamRuns ()

Private Member Functions
void	beginRun (edm::Run const &, edm::EventSetup const &) override
void	produce (edm::Event &, const edm::EventSetup &) override

Private Attributes
edm::InputTag	_lheEventSrcTag
const LHERunInfoProduct *	_lheRunSrc
edm::InputTag	_lheRunSrcTag

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	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
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 = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept
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<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)
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...
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)

Detailed Description

Description: [one line class summary]

Implementation: [Notes on implementation]

Definition at line 42 of file LHE2HepMCConverter.cc.

Constructor & Destructor Documentation

LHE2HepMCConverter()

LHE2HepMCConverter::LHE2HepMCConverter ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 75 of file LHE2HepMCConverter.cc.

                                                                     : _lheRunSrc(nullptr) {
  //register your products
  produces<edm::HepMCProduct>("unsmeared");
 
  _lheEventSrcTag = iConfig.getParameter<edm::InputTag>("LHEEventProduct");
  _lheRunSrcTag = iConfig.getParameter<edm::InputTag>("LHERunInfoProduct");
}

References _lheEventSrcTag, _lheRunSrcTag, and edm::ParameterSet::getParameter().

~LHE2HepMCConverter()

LHE2HepMCConverter::~LHE2HepMCConverter ( )

override

Definition at line 83 of file LHE2HepMCConverter.cc.

                                        {
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)
}

Member Function Documentation

beginRun()

void LHE2HepMCConverter::beginRun ( edm::Run const &  iRun, edm::EventSetup const &    )

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 133 of file LHE2HepMCConverter.cc.

                                                                          {
  edm::Handle<LHERunInfoProduct> lheRunSrcHandle;
  iRun.getByLabel(_lheRunSrcTag, lheRunSrcHandle);
  if (lheRunSrcHandle.isValid()) {
    _lheRunSrc = lheRunSrcHandle.product();
  } else {
    if (_lheRunSrcTag.label() != "source") {
      iRun.getByLabel("source", lheRunSrcHandle);
      if (lheRunSrcHandle.isValid()) {
        _lheRunSrc = lheRunSrcHandle.product();
        edm::LogInfo("LHE2HepMCConverter") << "Taking LHERunInfoproduct from source";
      } else
        edm::LogWarning("LHE2HepMCConverter") << "No LHERunInfoProduct from source";
    }
  }
}

References _lheRunSrc, _lheRunSrcTag, edm::Run::getByLabel(), edm::HandleBase::isValid(), edm::InputTag::label(), and edm::Handle< T >::product().

fillDescriptions()

void LHE2HepMCConverter::fillDescriptions ( edm::ConfigurationDescriptions &  descriptions )

static

Definition at line 151 of file LHE2HepMCConverter.cc.

                                                                                    {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
  desc.setUnknown();
  descriptions.addDefault(desc);
}

References edm::ConfigurationDescriptions::addDefault(), and submitPVResolutionJobs::desc.

produce()

void LHE2HepMCConverter::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

overrideprivatevirtual

Implements edm::EDProducer.

Definition at line 93 of file LHE2HepMCConverter.cc.

                                                                              {
  using namespace edm;
  Handle<LHEEventProduct> lheEventSrc;
  iEvent.getByLabel(_lheEventSrcTag, lheEventSrc);
 
  HepMC::GenEvent* evt = new HepMC::GenEvent();
  HepMC::GenVertex* v = new HepMC::GenVertex();
  evt->add_vertex(v);
  if (_lheRunSrc) {
    HepMC::FourVector beam1(0, 0, _lheRunSrc->heprup().EBMUP.first, _lheRunSrc->heprup().EBMUP.first);
    HepMC::GenParticle* gp1 = new HepMC::GenParticle(beam1, _lheRunSrc->heprup().IDBMUP.first, 4);
    v->add_particle_in(gp1);
    HepMC::FourVector beam2(0, 0, _lheRunSrc->heprup().EBMUP.second, _lheRunSrc->heprup().EBMUP.second);
    HepMC::GenParticle* gp2 = new HepMC::GenParticle(beam2, _lheRunSrc->heprup().IDBMUP.second, 4);
    v->add_particle_in(gp2);
    evt->set_beam_particles(gp1, gp2);
  } else {
    LogWarning("LHE2HepMCConverter") << "Could not retrieve the LHERunInfoProduct for this event. You'll miss the beam "
                                        "particles in your HepMC product.";
  }
 
  for (int i = 0; i < lheEventSrc->hepeup().NUP; ++i) {
    if (lheEventSrc->hepeup().ISTUP[i] != 1) {
      //cout << reader->hepeup.ISTUP[i] << ", " << reader->hepeup.IDUP[i] << endl;
      continue;
    }
    HepMC::FourVector p(lheEventSrc->hepeup().PUP[i][0],
                        lheEventSrc->hepeup().PUP[i][1],
                        lheEventSrc->hepeup().PUP[i][2],
                        lheEventSrc->hepeup().PUP[i][3]);
    HepMC::GenParticle* gp = new HepMC::GenParticle(p, lheEventSrc->hepeup().IDUP[i], 1);
    gp->set_generated_mass(lheEventSrc->hepeup().PUP[i][4]);
    v->add_particle_out(gp);
  }
 
  std::unique_ptr<HepMCProduct> pOut(new HepMCProduct(evt));
  iEvent.put(std::move(pOut), "unsmeared");
}

References _lheEventSrcTag, _lheRunSrc, lhef::HEPRUP::EBMUP, GenParticle::GenParticle, runTauDisplay::gp, LHEEventProduct::hepeup(), ZgammaFilter_cfi::HepMCProduct, LHERunInfoProduct::heprup(), mps_fire::i, lhef::HEPRUP::IDBMUP, lhef::HEPEUP::IDUP, iEvent, lhef::HEPEUP::ISTUP, eostools::move(), lhef::HEPEUP::NUP, AlCaHLTBitMon_ParallelJobs::p, L1TrackObjectNtupleMaker_cfg::pOut, lhef::HEPEUP::PUP, and findQualityFiles::v.

Member Data Documentation

_lheEventSrcTag

edm::InputTag LHE2HepMCConverter::_lheEventSrcTag

private

Definition at line 57 of file LHE2HepMCConverter.cc.

Referenced by LHE2HepMCConverter(), and produce().

_lheRunSrc

const LHERunInfoProduct* LHE2HepMCConverter::_lheRunSrc

private

Definition at line 59 of file LHE2HepMCConverter.cc.

Referenced by beginRun(), and produce().

_lheRunSrcTag

edm::InputTag LHE2HepMCConverter::_lheRunSrcTag

private

Definition at line 58 of file LHE2HepMCConverter.cc.

Referenced by beginRun(), and LHE2HepMCConverter().