Cuts.cc

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#include "RecoMuon/MuonIsolation/interface/Cuts.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include <cmath>
#include <sstream>

using namespace std;
using namespace muonisolation;

Cuts::Cuts(const edm::ParameterSet & pset)
{
  vector<double> etaBounds  = pset.getParameter<std::vector<double> >("EtaBounds");
  vector<double> coneSizes  = pset.getParameter<std::vector<double> >("ConeSizes");
  vector<double> thresholds = pset.getParameter<std::vector<double> >("Thresholds");
  init(etaBounds,coneSizes,thresholds);
}

Cuts::Cuts(const vector<double> & etaBounds, const vector<double> & coneSizes,
      const vector<double> & thresholds) 
{
  init(etaBounds,coneSizes,thresholds);
}


void Cuts::init(const vector<double> & etaBounds, const vector<double> & coneSizes,
      const vector<double> & thresholds)
{
  double minEta = 0.;
  double coneSize = 0;
  double threshold = 0;
  unsigned int nEta = etaBounds.size();
  for (unsigned int i=0; i< nEta; i++) {
    if (i>0) minEta = etaBounds[i-1];
    double maxEta = etaBounds[i];
    if (i < coneSizes.size()) coneSize = coneSizes[i]; 
    if (i < thresholds.size()) threshold = thresholds[i]; 

    CutSpec cut = {muonisolation::Range<double>(minEta,maxEta), coneSize, threshold };
    
    theCuts.push_back( cut ); 
  } 
}

const Cuts::CutSpec & Cuts::operator()(double eta) const
{
  double absEta = fabs(eta);
  unsigned int nCuts = theCuts.size();
  unsigned int idx_eta = nCuts-1;
  for (unsigned int i = 0; i < nCuts; i++) {
    if (absEta < theCuts[i].etaRange.max() ) { idx_eta = i; break; }
  }
  return theCuts[idx_eta];
}

std::string Cuts::print() const
{
  std::ostringstream result;
  typedef std::vector<CutSpec>::const_iterator IT;
  result << "Cuts : " << std::endl;
  for (IT it = theCuts.begin(), itEnd = theCuts.end(); it < itEnd; ++it) {
    result << "eta: "<<(*it).etaRange
           <<", cone: "<< (*it).conesize
           <<", cut: "<<(*it).threshold
           <<std::endl;
  }  
  return result.str();
}