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rkogler |
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// Dear emacs, this is -*- c++ -*-
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#include "include/EventCalc.h"
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#include <iostream>
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EventCalc* EventCalc::m_instance = NULL;
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EventCalc* EventCalc::Instance()
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{
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// Get a pointer to the object handler.
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// This is the only way to access this class,
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// since it's a singleton. This method is accessible
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// from everywhere.
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if (m_instance == NULL){
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m_instance = new EventCalc();
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}
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return m_instance;
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}
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EventCalc::EventCalc() : m_logger( "EventCalc" )
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{
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// constructor: initialise all variables
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m_logger << DEBUG << "Constructor called." << SLogger::endmsg;
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m_bcc = NULL;
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m_lumi = NULL;
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}
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EventCalc::~EventCalc()
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{
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// default destructor
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}
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void EventCalc::Reset()
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{
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// reset: set all booleans to false
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// this has to be done at the beginning of each event
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// after a call to reset all quantities will be re-calculated
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// when they are accessed
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// (re-)set the pointers using the ObjectHandler
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ObjectHandler* objs = ObjectHandler::Instance();
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m_bcc = objs->GetBaseCycleContainer();
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m_lumi = objs->GetLumiHandler();
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// reset booleans
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b_HT = false;
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rkogler |
1.2 |
b_HTlep = false;
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rkogler |
1.1 |
}
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BaseCycleContainer* EventCalc::GetBaseCycleContainer()
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{
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// return the pointer to the container with all objects
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if (!m_bcc){
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m_logger << WARNING << "Pointer to BaseCycleContainer is NULL." << SLogger::endmsg;
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}
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return m_bcc;
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}
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LuminosityHandler* EventCalc::GetLumiHandler()
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{
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// return the pointer to the container with all objects
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if (!m_lumi){
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m_logger << WARNING << "Pointer to LumiHandler is NULL." << SLogger::endmsg;
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}
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return m_lumi;
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}
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double EventCalc::GetHT()
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{
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// calculate HT, which is defined as the scalar sum of all
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// jets, leptons and missing transverse momentum in the event
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if (!b_HT){
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b_HT = true;
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m_HT = 0;
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// add lepton pt and MET
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m_HT += GetHTlep();
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// sum over pt of all jets
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if(m_bcc->jets){
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for(unsigned int i=0; i<m_bcc->jets->size(); ++i){
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m_HT += m_bcc->jets->at(i).pt();
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}
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}
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}
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return m_HT;
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}
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double EventCalc::GetHTlep()
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{
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// calculate HT_lep, which is defined as the scalar sum of all
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// leptons and missing transverse momentum in the event
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if (!b_HTlep){
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b_HTlep = true;
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m_HTlep=0;
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// sum over pt of all electrons
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if(m_bcc->electrons){
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for(unsigned int i=0; i<m_bcc->electrons->size(); ++i){
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m_HTlep += m_bcc->electrons->at(i).pt();
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}
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}
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// sum over pt of all muons
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if(m_bcc->muons){
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for(unsigned int i=0; i<m_bcc->muons->size(); ++i){
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m_HTlep += m_bcc->muons->at(i).pt();
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}
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}
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// sum over pt of all taus
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if(m_bcc->taus){
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for(unsigned int i=0; i<m_bcc->taus->size(); ++i){
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m_HTlep += m_bcc->taus->at(i).pt();
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}
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}
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// add MET
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if(m_bcc->met) m_HTlep += m_bcc->met->pt();
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}
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return m_HTlep;
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}
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