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// -*- C++ -*-
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//
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// Package: JetFitAnalyzer
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// Class: JetFitAnalyzer
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//
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/**\class JetFitAnalyzer JetFitAnalyzer.cc UserCode/JetFitAnalyzer/src/JetFitAnalyzer.cc
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Description: Base class for using jetfit with CMSSW
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Implementation:
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o Method make_histo is used to prepare a histogram for analysis;
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the user can read this from a file or generate from the actual event
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o Method make_model_def is used to define a formula and initial
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parameters for the model used
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o Method analyze_results performs user analysis on results;
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the user is given a trouble vector and the original histogram in
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addition.
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o The function pointer user_minuit defines what to do after each fit
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is done. The pointer should be obtained in the subclass constructor.
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*/
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//
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// Original Author: David Nisson
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// Created: Wed Aug 5 16:38:38 PDT 2009
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// $Id$
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//
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//
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#include "UserCode/JetFitAnalyzer/interface/JetFitAnalyzer.h"
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#include <vector>
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JetFitAnalyzer::JetFitAnalyzer(const edm::ParameterSet& iConfig)
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: user_minuit(0)
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{
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// get parameters from iConfig
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ignorezero_ = iConfig.getUntrackedParameter("ignorezero", false);
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rebinX_ = iConfig.getUntrackedParameter("rebinX", 1);
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rebinY_ = iConfig.getUntrackedParameter("rebinY", 1);
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P_cutoff_val_ = iConfig.getUntrackedParameter("P_cutoff_val", 0.5);
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jetfit::set_ignorezero(ignorezero_);
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}
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JetFitAnalyzer::~JetFitAnalyzer()
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{
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// do anything here that needs to be done at desctruction time
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// (e.g. close files, deallocate resources etc.)
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}
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//
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// member functions
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//
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// ------------ method called to for each event ------------
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void
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JetFitAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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jetfit::results r; std::vector<jetfit::trouble> t;
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TH2D *histo = make_histo(iEvent, iSetup);
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jetfit::model_def &_mdef = make_model_def(iEvent, iSetup, histo);
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jetfit::set_model_def(&_mdef);
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r = jetfit::fit_histo(histo, t, user_minuit, _mdef.get_n_special_par_sets(),
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rebinX_, rebinY_, P_cutoff_val_);
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analyze_results(r, t, histo);
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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JetFitAnalyzer::beginJob(const edm::EventSetup&)
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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JetFitAnalyzer::endJob() {
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}
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//define this as a plug-in
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// this is a base class-we can't do this DEFINE_FWK_MODULE(JetFitAnalyzer);
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