Inheritance diagram for PdfWeightProducer:

Public Member Functions
	PdfWeightProducer (const edm::ParameterSet &)

	~PdfWeightProducer ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

ModuleDescription const &	moduleDescription () const

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
std::vector< ConsumesInfo >	consumesInfo () const

	EDConsumerBase ()

ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Member Functions
virtual void	beginJob () override

virtual void	endJob () override

virtual void	produce (edm::Event &, const edm::EventSetup &) override

Private Attributes
std::string	fixPOWHEG_

edm::InputTag	genTag_

edm::EDGetTokenT < reco::GenParticleCollection >	genToken_

edm::InputTag	pdfInfoTag_

edm::EDGetTokenT < GenEventInfoProduct >	pdfInfoToken_

std::vector< std::string >	pdfSetNames_

std::vector< std::string >	pdfShortNames_

bool	useFirstAsDefault_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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

Definition at line 21 of file PdfWeightProducer.cc.

Constructor & Destructor Documentation

PdfWeightProducer::PdfWeightProducer ( const edm::ParameterSet & pset )

explicit

Definition at line 54 of file PdfWeightProducer.cc.

References dot(), fixPOWHEG_, relval_steps::k, pdfSetNames_, and pdfShortNames_.

                                                                 :
  fixPOWHEG_(pset.getUntrackedParameter<std::string> ("FixPOWHEG", "")),
  useFirstAsDefault_(pset.getUntrackedParameter<bool>("useFirstAsDefault",false)),
  genTag_(pset.getUntrackedParameter<edm::InputTag> ("GenTag", edm::InputTag("genParticles"))),
  genToken_(mayConsume<reco::GenParticleCollection>(genTag_)),
  pdfInfoTag_(pset.getUntrackedParameter<edm::InputTag> ("PdfInfoTag", edm::InputTag("generator"))),
  pdfInfoToken_(consumes<GenEventInfoProduct>(pdfInfoTag_)),
  pdfSetNames_(pset.getUntrackedParameter<std::vector<std::string> > ("PdfSetNames"))
 {
       if (fixPOWHEG_ != "") pdfSetNames_.insert(pdfSetNames_.begin(),fixPOWHEG_);
 
       if (pdfSetNames_.size()>3) {
             edm::LogWarning("") << pdfSetNames_.size() << " PDF sets requested on input. Using only the first 3 sets and ignoring the rest!!";
             pdfSetNames_.erase(pdfSetNames_.begin()+3,pdfSetNames_.end());
       }
 
       for (unsigned int k=0; k<pdfSetNames_.size(); k++) {
             size_t dot = pdfSetNames_[k].find_first_of('.');
             size_t underscore = pdfSetNames_[k].find_first_of('_');
             if (underscore<dot) {
                   pdfShortNames_.push_back(pdfSetNames_[k].substr(0,underscore));
             } else {
                   pdfShortNames_.push_back(pdfSetNames_[k].substr(0,dot));
             }
             produces<std::vector<double> >(pdfShortNames_[k].data());
       }
 }

PdfWeightProducer::~PdfWeightProducer ( )

Definition at line 83 of file PdfWeightProducer.cc.

83 {}

Member Function Documentation

void PdfWeightProducer::beginJob ( void )

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 86 of file PdfWeightProducer.cc.

References LHAPDF::initPDFSet(), relval_steps::k, and pdfSetNames_.

                                  {
       for (unsigned int k=1; k<=pdfSetNames_.size(); k++) {
             LHAPDF::initPDFSet(k,pdfSetNames_[k-1]);
       }
 }

void PdfWeightProducer::endJob ( void )

overrideprivatevirtual

Reimplemented from edm::EDProducer.

Definition at line 93 of file PdfWeightProducer.cc.

93 {}

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

overrideprivatevirtual

Implements edm::EDProducer.

Definition at line 96 of file PdfWeightProducer.cc.

References funct::abs(), edm::InputTag::encode(), fixPOWHEG_, genParticleCandidates2GenParticles_cfi::genParticles, genTag_, genToken_, edm::Event::getByToken(), i, edm::HandleBase::id(), edm::EventBase::isRealData(), relval_steps::k, reco::LeafCandidate::mass(), LHAPDF::numberPDF(), pdfInfoTag_, pdfInfoToken_, pdfSetNames_, pdfShortNames_, reco::LeafCandidate::pdgId(), edm::Event::put(), class-composition::Q, mathSSE::sqrt(), reco::LeafCandidate::status(), ntuplemaker::status, useFirstAsDefault_, LHAPDF::usePDFMember(), create_public_pileup_plots::weights, and LHAPDF::xfx().

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

                                                                       {
 
       if (iEvent.isRealData()) return;
 
       edm::Handle<GenEventInfoProduct> pdfstuff;
       if (!iEvent.getByToken(pdfInfoToken_, pdfstuff)) {
             edm::LogError("PDFWeightProducer") << ">>> PdfInfo not found: " << pdfInfoTag_.encode() << " !!!";
             return;
       }
 
       float Q = pdfstuff->pdf()->scalePDF;
 
       int id1 = pdfstuff->pdf()->id.first;
       double x1 = pdfstuff->pdf()->x.first;
       double pdf1 = pdfstuff->pdf()->xPDF.first;
 
       int id2 = pdfstuff->pdf()->id.second;
       double x2 = pdfstuff->pdf()->x.second;
       double pdf2 = pdfstuff->pdf()->xPDF.second;
       if (useFirstAsDefault_ && pdf1 == -1. && pdf2 == -1. ) {
          LHAPDF::usePDFMember(1,0);
          pdf1 = LHAPDF::xfx(1, x1, Q, id1)/x1;
          pdf2 = LHAPDF::xfx(1, x2, Q, id2)/x2;
       }
 
       // Ad-hoc fix for POWHEG
       if (fixPOWHEG_!="") {
             edm::Handle<reco::GenParticleCollection> genParticles;
             if (!iEvent.getByToken(genToken_, genParticles)) {
                   edm::LogError("PDFWeightProducer") << ">>> genParticles  not found: " << genTag_.encode() << " !!!";
                   return;
             }
             unsigned int gensize = genParticles->size();
             double mboson = 0.;
             for(unsigned int i = 0; i<gensize; ++i) {
                   const reco::GenParticle& part = (*genParticles)[i];
                   int status = part.status();
                   if (status!=3) continue;
                   int id = part.pdgId();
                   if (id!=23 && abs(id)!=24) continue;
                   mboson = part.mass();
                   break;
             }
             Q = sqrt(mboson*mboson+Q*Q);
             LHAPDF::usePDFMember(1,0);
             pdf1 = LHAPDF::xfx(1, x1, Q, id1)/x1;
             pdf2 = LHAPDF::xfx(1, x2, Q, id2)/x2;
       }
 
       // Put PDF weights in the event
       for (unsigned int k=1; k<=pdfSetNames_.size(); ++k) {
             std::auto_ptr<std::vector<double> > weights (new std::vector<double>);
             unsigned int nweights = 1;
             if (LHAPDF::numberPDF(k)>1) nweights += LHAPDF::numberPDF(k);
             weights->reserve(nweights);
 
             for (unsigned int i=0; i<nweights; ++i) {
                   LHAPDF::usePDFMember(k,i);
                   double newpdf1 = LHAPDF::xfx(k, x1, Q, id1)/x1;
                   double newpdf2 = LHAPDF::xfx(k, x2, Q, id2)/x2;
                   weights->push_back(newpdf1/pdf1*newpdf2/pdf2);
             }
             iEvent.put(weights,pdfShortNames_[k-1]);
       }
 }

Member Data Documentation

std::string PdfWeightProducer::fixPOWHEG_

private

Definition at line 31 of file PdfWeightProducer.cc.

Referenced by PdfWeightProducer(), and produce().

edm::InputTag PdfWeightProducer::genTag_

private

Definition at line 33 of file PdfWeightProducer.cc.

Referenced by produce().

edm::EDGetTokenT<reco::GenParticleCollection> PdfWeightProducer::genToken_

private

Definition at line 34 of file PdfWeightProducer.cc.

Referenced by produce().

edm::InputTag PdfWeightProducer::pdfInfoTag_

private

Definition at line 35 of file PdfWeightProducer.cc.

Referenced by produce().

edm::EDGetTokenT<GenEventInfoProduct> PdfWeightProducer::pdfInfoToken_

private

Definition at line 36 of file PdfWeightProducer.cc.

Referenced by produce().

std::vector<std::string> PdfWeightProducer::pdfSetNames_

private

Definition at line 37 of file PdfWeightProducer.cc.

Referenced by beginJob(), PdfWeightProducer(), and produce().

std::vector<std::string> PdfWeightProducer::pdfShortNames_

private

Definition at line 38 of file PdfWeightProducer.cc.

Referenced by PdfWeightProducer(), and produce().

bool PdfWeightProducer::useFirstAsDefault_

private

Definition at line 32 of file PdfWeightProducer.cc.

Referenced by produce().

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation