Inheritance diagram for PDFWeightsTest:

Public Member Functions
	PDFWeightsTest (const ParameterSet &cfg)

Public Member Functions inherited from edm::one::EDAnalyzer<>
	EDAnalyzer ()=default

Public Member Functions inherited from edm::one::EDAnalyzerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

	EDAnalyzerBase ()

ModuleDescription const &	moduleDescription () const

virtual	~EDAnalyzerBase ()

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 (std::string const &iProcessName, std::string const &iModuleLabel, bool iPrint, std::vector< char const * > &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
void	analyze (const Event &evt, const EventSetup &es) override

Private Attributes
unsigned int	nPdfEigWeights_

unsigned int	nPdfWeights_

std::vector< float >	pdfeigweights_

unsigned int	pdfWeightOffset_

std::vector< float >	pdfweights_

PDFWeightsHelper	pdfweightshelper_

EDGetTokenT< LHEEventProduct >	srcToken_

EDGetTokenT< LHEEventProduct >	srcTokenAlt_

EDGetTokenT< GenEventInfoProduct >	srcTokenGen_

TTree *	tree_

float	weight_

Additional Inherited Members
Public Types inherited from edm::one::EDAnalyzerBase
typedef EDAnalyzerBase	ModuleType

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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 22 of file PDFWeightsTest.cc.

Constructor & Destructor Documentation

PDFWeightsTest::PDFWeightsTest ( const ParameterSet & cfg )

inlineexplicit

Definition at line 39 of file PDFWeightsTest.cc.

References edm::ParameterSet::getParameter(), and TFileService::make().

                                                       :
     srcToken_( consumes<LHEEventProduct>(edm::InputTag("externalLHEProducer"))),
     srcTokenAlt_( consumes<LHEEventProduct>(edm::InputTag("source"))),
     srcTokenGen_( consumes<GenEventInfoProduct>(edm::InputTag("generator"))),
     pdfWeightOffset_(cfg.getParameter<unsigned int>("pdfWeightOffset")),
     nPdfWeights_(cfg.getParameter<unsigned int>("nPdfWeights")),
     nPdfEigWeights_(cfg.getParameter<unsigned int>("nPdfEigWeights")),
     pdfweights_(nPdfWeights_),
     pdfeigweights_(nPdfEigWeights_)
   {
     
     edm::Service<TFileService> fs;
     tree_ = fs->make<TTree>("tree", "");
     
     tree_->Branch("pdfrep",&pdfweights_);
     tree_->Branch("pdfeig",&pdfeigweights_);
     tree_->Branch("weight",&weight_);
     
     edm::FileInPath mc2hessianCSV = cfg.getParameter<edm::FileInPath>("mc2hessianCSV");
     pdfweightshelper_.Init(nPdfWeights_,nPdfEigWeights_,mc2hessianCSV);
     
   }

Member Function Documentation

void PDFWeightsTest::analyze	(	const Event &	evt,
		const EventSetup &	es
	)

inlineoverrideprivatevirtual

Implements edm::one::EDAnalyzerBase.

Definition at line 63 of file PDFWeightsTest.cc.

References edm::Event::getByToken(), and edm::HandleBase::isValid().

                                                                    {
     Handle<LHEEventProduct> lheInfo;
     evt.getByToken( srcToken_, lheInfo );
     
     if (!lheInfo.isValid()) {
       evt.getByToken( srcTokenAlt_, lheInfo );
     }
 
     double nomlheweight = lheInfo->weights()[0].wgt;
 
     Handle<GenEventInfoProduct> genInfo;
     evt.getByToken( srcTokenGen_, genInfo );
     
     weight_ = genInfo->weight();
     
     //get the original mc replica weights
     std::vector<double> inpdfweights(nPdfWeights_);
     for (unsigned int ipdf=0; ipdf<nPdfWeights_; ++ipdf) {
       unsigned int iwgt = ipdf + pdfWeightOffset_;
       
       //this is the weight to be used for evaluating uncertainties with mc replica weights
       pdfweights_[ipdf] = lheInfo->weights()[iwgt].wgt*weight_/nomlheweight;
       
       //this is the raw weight to be fed to the mc2hessian convertor
       inpdfweights[ipdf] = lheInfo->weights()[iwgt].wgt;
       
     }
     
     std::vector<double> outpdfweights(nPdfEigWeights_);
     //do the actual conversion, where the nominal lhe weight is needed as the reference point for the linearization
     pdfweightshelper_.DoMC2Hessian(nomlheweight,inpdfweights.data(),outpdfweights.data());
     
     for (unsigned int iwgt=0; iwgt<nPdfEigWeights_; ++iwgt) {
       double wgtval = outpdfweights[iwgt];
       
       //the is the weight to be used for evaluating uncertainties with hessian weights
       pdfeigweights_[iwgt] = wgtval*weight_/nomlheweight;
     }    
 
     tree_->Fill();
     
   }

Member Data Documentation

unsigned int PDFWeightsTest::nPdfEigWeights_

private

Definition at line 31 of file PDFWeightsTest.cc.

unsigned int PDFWeightsTest::nPdfWeights_

private

Definition at line 30 of file PDFWeightsTest.cc.

std::vector<float> PDFWeightsTest::pdfeigweights_

private

Definition at line 35 of file PDFWeightsTest.cc.

unsigned int PDFWeightsTest::pdfWeightOffset_

private

Definition at line 29 of file PDFWeightsTest.cc.

std::vector<float> PDFWeightsTest::pdfweights_

private

Definition at line 34 of file PDFWeightsTest.cc.

PDFWeightsHelper PDFWeightsTest::pdfweightshelper_

private

Definition at line 24 of file PDFWeightsTest.cc.

EDGetTokenT<LHEEventProduct> PDFWeightsTest::srcToken_

private

Definition at line 25 of file PDFWeightsTest.cc.

EDGetTokenT<LHEEventProduct> PDFWeightsTest::srcTokenAlt_

private

Definition at line 26 of file PDFWeightsTest.cc.

EDGetTokenT<GenEventInfoProduct> PDFWeightsTest::srcTokenGen_

private

Definition at line 27 of file PDFWeightsTest.cc.

TTree* PDFWeightsTest::tree_

private

Definition at line 33 of file PDFWeightsTest.cc.

float PDFWeightsTest::weight_

private

Definition at line 36 of file PDFWeightsTest.cc.

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation