JME::JetResolutionScaleFactor Class Reference

#include <JetResolution.h>

Public Member Functions
void	dump () const
const JetResolutionObject *	getResolutionObject () const
float	getScaleFactor (const JetParameters &parameters, Variation variation=Variation::NOMINAL, std::string uncertaintySource="") const
	JetResolutionScaleFactor (const std::string &filename)
	JetResolutionScaleFactor (const JetResolutionObject &object)
	JetResolutionScaleFactor ()

Static Public Member Functions
static const JetResolutionScaleFactor	get (const edm::EventSetup &, const std::string &)

Private Attributes
std::shared_ptr< JetResolutionObject >	m_object

Detailed Description

Definition at line 45 of file JetResolution.h.

Constructor & Destructor Documentation

JME::JetResolutionScaleFactor::JetResolutionScaleFactor

(

const std::string &

filename

)

Definition at line 39 of file JetResolution.cc.

References corrVsCorr::filename, and JME::JetResolution::m_object.

                                                                                {
        m_object = std::make_shared<JetResolutionObject>(filename);
    }

JME::JetResolutionScaleFactor::JetResolutionScaleFactor

(

const JetResolutionObject &

object

)

Definition at line 43 of file JetResolution.cc.

References JME::JetResolution::m_object, and resolutioncreator_cfi::object.

                                                                                        {
        m_object = std::make_shared<JetResolutionObject>(object);
    }

JME::JetResolutionScaleFactor::JetResolutionScaleFactor ( )

inline

Definition at line 49 of file JetResolution.h.

References NOMINAL, AlCaHLTBitMon_QueryRunRegistry::string, and patPFMETCorrections_cff::variation.

                                       {
                // Empty
            }

Member Function Documentation

void JME::JetResolutionScaleFactor::dump ( void  ) const

inline

Definition at line 61 of file JetResolution.h.

                              {
                m_object->dump();
            }

const JetResolutionScaleFactor JME::JetResolutionScaleFactor::get ( const edm::EventSetup &  setup, const std::string &  label  )

static

Definition at line 48 of file JetResolution.cc.

References edm::EventSetup::get(), and cmsBatch::handle.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), JetResolutionDemo::analyze(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), cms::PFMETProducer::getMETCovMatrix(), pat::PATMETProducer::getMETCovMatrix(), betterConfigParser.BetterConfigParser::getResultingSection(), cms::METSignificanceProducer::produce(), and SmearedJetProducerT< T >::produce().

                                                                                                                   {
        edm::ESHandle<JetResolutionObject> handle;
        setup.get<JetResolutionScaleFactorRcd>().get(label, handle); 

        return *handle;
    }

const JetResolutionObject* JME::JetResolutionScaleFactor::getResolutionObject ( ) const

inline

Definition at line 66 of file JetResolution.h.

                                                                   {
                return m_object.get();
            }

float JME::JetResolutionScaleFactor::getScaleFactor	(	const JetParameters &	parameters,
		Variation	variation = Variation::NOMINAL,
		std::string	uncertaintySource = ""
	)		const

Definition at line 56 of file JetResolution.cc.

References SoftLeptonByDistance_cfi::distance, DOWN, Exception, spr::find(), JME::JetResolutionObject::Record::getParametersValues(), JME::JetResolution::m_object, ValidateTausOnQCD_cff::parameter, record, alignCSCRings::s, AlCaHLTBitMon_QueryRunRegistry::string, UP, and patPFMETCorrections_cff::variation.

Referenced by JetResolutionDemo::analyze(), and SmearedJetProducerT< T >::produce().

                                                                                        {
        const JetResolutionObject::Record* record = m_object->getRecord(parameters);
        if (! record)
            return 1;

        const std::vector<float>& parameters_values = record->getParametersValues();
        const std::vector<std::string>& parameter_names = m_object->getDefinition().getParametersName();
        size_t parameter = static_cast<size_t>(variation);
        if (!uncertaintySource.empty()) {
          if (variation == Variation::DOWN)
            parameter = std::distance(parameter_names.begin(),
                                      std::find(parameter_names.begin(), parameter_names.end(), uncertaintySource + "Down"));
          else if (variation == Variation::UP)
            parameter = std::distance(parameter_names.begin(),
                                      std::find(parameter_names.begin(), parameter_names.end(), uncertaintySource + "Up"));
          if (parameter >= parameter_names.size()) {
            std::string s;
            for (const auto& piece : parameter_names)
              s += piece + " ";
            throw cms::Exception("InvalidParameter") << "Invalid value for 'uncertaintySource' parameter. Only " + s + " are supported.\n";
          }
        }
        return parameters_values[parameter];
    }

Member Data Documentation

std::shared_ptr<JetResolutionObject> JME::JetResolutionScaleFactor::m_object

private

Definition at line 71 of file JetResolution.h.