/data/refman/pasoursint/CMSSW_5_3_3/src/TopQuarkAnalysis/TopHitFit/src/PatMuonHitFitTranslator.cc

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//
//     $Id: PatMuonHitFitTranslator.cc,v 1.1 2011/05/26 09:47:00 mseidel Exp $
//
#include "TopQuarkAnalysis/TopHitFit/interface/LeptonTranslatorBase.h"
#include "DataFormats/PatCandidates/interface/Muon.h"

namespace hitfit {


template<>
LeptonTranslatorBase<pat::Muon>::LeptonTranslatorBase()
{

    std::string CMSSW_BASE(getenv("CMSSW_BASE"));
    std::string resolution_filename = CMSSW_BASE +
        std::string("/src/TopQuarkAnalysis/PatHitFit/data/exampleMuonResolution.txt");
    resolution_ = EtaDepResolution(resolution_filename);

} // LeptonTranslatorBase<pat::Muon>::LeptonTranslatorBase()


template<>
LeptonTranslatorBase<pat::Muon>::LeptonTranslatorBase(const std::string& ifile)
{

    std::string CMSSW_BASE(getenv("CMSSW_BASE"));
    std::string resolution_filename;

    if (ifile.empty()) {
        resolution_filename = CMSSW_BASE +
        std::string("/src/TopQuarkAnalysis/PatHitFit/data/exampleMuonResolution.txt");
    } else {
        resolution_filename = ifile ;
    }

    resolution_ = EtaDepResolution(resolution_filename);

} // LeptonTranslatorBase<pat::Muon>::LeptonTranslatorBase(const std::string& s)


template<>
LeptonTranslatorBase<pat::Muon>::~LeptonTranslatorBase()
{
} // LeptonTranslatorBase<pat::Muon>::~LeptonTranslatorBase()


template<>
Lepjets_Event_Lep
LeptonTranslatorBase<pat::Muon>::operator()(const pat::Muon& lepton,
                                            int type /*= hitfit::lepton_label */,
                                            bool useObjEmbRes /* = false */)
{

    Fourvec p(lepton.px(),lepton.py(),lepton.pz(),lepton.energy());

    double            muon_eta        = lepton.eta();
    Vector_Resolution muon_resolution = resolution_.GetResolution(muon_eta);

    Lepjets_Event_Lep muon(p,
                           muon_label,
                           muon_resolution);
    return muon;

} // Lepjets_Event_Lep LeptonTranslatorBase<pat::Muon>::operator()


template<>
const EtaDepResolution&
LeptonTranslatorBase<pat::Muon>::resolution() const
{
    return resolution_;
}


template<>
bool
LeptonTranslatorBase<pat::Muon>::CheckEta(const pat::Muon& lepton) const
{
    return resolution_.CheckEta(lepton.eta());
}


} // namespace hitfit