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 ()

Private Attributes
std::shared_ptr< JetResolutionObject >	m_object

Detailed Description

Definition at line 36 of file JetResolution.h.

Constructor & Destructor Documentation

JME::JetResolutionScaleFactor::JetResolutionScaleFactor

(

const std::string &

filename

)

Definition at line 27 of file JetResolution.cc.

References JME::JetResolution::m_object.

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

JME::JetResolutionScaleFactor::JetResolutionScaleFactor

(

const JetResolutionObject &

object

)

Definition at line 31 of file JetResolution.cc.

References JME::JetResolution::m_object.

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

JME::JetResolutionScaleFactor::JetResolutionScaleFactor ( )

inline

Definition at line 40 of file JetResolution.h.

References NOMINAL.

                                       {
                // Empty
            }

Member Function Documentation

void JME::JetResolutionScaleFactor::dump ( ) const

inline

Definition at line 48 of file JetResolution.h.

References JME::JetResolution::m_object.

                              {
                m_object->dump();
            }

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

inline

Definition at line 53 of file JetResolution.h.

References JME::JetResolution::m_object.

                                                                   {
                return m_object.get();
            }

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

Definition at line 35 of file JetResolution.cc.

References DOWN, JME::JetResolutionObject::Record::getParametersValues(), JME::JetResolution::m_object, and UP.

Referenced by analysis::tools::Jet::jerSF(), analysis::tools::Jet::jerSFdown(), analysis::tools::Jet::jerSFup(), and analysis::ntuple::Candidates< T >::Kinematics().

                                                                                        {
        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 + " ";
              // Replacing the throw cms::Exception below
              std::cerr << "ERROR in JetResolution: "
               << "Invalid value for 'uncertaintySource' parameter. Only " + s + " are supported.\n" ;
              throw std::exception();
//            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 58 of file JetResolution.h.

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The documentation for this class was generated from the following files:

• JetResolution.h
• JetResolution.cc