LHE2HepMCConverter Class Reference

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

Inheritance diagram for LHE2HepMCConverter:

Public Member Functions
	LHE2HepMCConverter (const edm::ParameterSet &)
	~LHE2HepMCConverter ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()
Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()
ProductHolderIndex	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndex > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndex > &) const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

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)

Private Member Functions
virtual void	beginRun (edm::Run const &, edm::EventSetup const &) override
virtual 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
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
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)

Detailed Description

Description: [one line class summary]

Implementation: [Notes on implementation]

Definition at line 46 of file LHE2HepMCConverter.cc.

Constructor & Destructor Documentation

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

explicit

Definition at line 83 of file LHE2HepMCConverter.cc.

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

                                                                    :
_lheRunSrc(0)
{
   //register your products
   produces<edm::HepMCProduct>();

   _lheEventSrcTag = iConfig.getParameter<edm::InputTag>("LHEEventProduct");
   _lheRunSrcTag   = iConfig.getParameter<edm::InputTag>("LHERunInfoProduct");

}

LHE2HepMCConverter::~LHE2HepMCConverter

(

)

Definition at line 95 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

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

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 151 of file LHE2HepMCConverter.cc.

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

{
  
  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"; 
    }

  }

}

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

static

Definition at line 176 of file LHE2HepMCConverter.cc.

References edm::ConfigurationDescriptions::addDefault(), and edm::ParameterSetDescription::setUnknown().

                                                                               {
  //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);
}

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

overrideprivatevirtual

Implements edm::EDProducer.

Definition at line 110 of file LHE2HepMCConverter.cc.

References _lheEventSrcTag, _lheRunSrc, lhef::HEPRUP::EBMUP, configurableAnalysis::GenParticle, edm::Event::getByLabel(), LHERunInfoProduct::heprup(), i, lhef::HEPRUP::IDBMUP, AlCaHLTBitMon_ParallelJobs::p, edm::Event::put(), and findQualityFiles::v.

{
   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::auto_ptr<HepMCProduct> pOut(new HepMCProduct(evt));
   iEvent.put(pOut);

}

Member Data Documentation

edm::InputTag LHE2HepMCConverter::_lheEventSrcTag

private

Definition at line 63 of file LHE2HepMCConverter.cc.

Referenced by LHE2HepMCConverter(), and produce().

const LHERunInfoProduct* LHE2HepMCConverter::_lheRunSrc

private

Definition at line 65 of file LHE2HepMCConverter.cc.

Referenced by beginRun(), and produce().

edm::InputTag LHE2HepMCConverter::_lheRunSrcTag

private

Definition at line 64 of file LHE2HepMCConverter.cc.

Referenced by beginRun(), and LHE2HepMCConverter().