ECLPhotonEnergyResolution.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#include <analysis/dbobjects/ECLPhotonEnergyResolution.h>
#include <framework/logging/Logger.h>
 
using namespace Belle2;
 
ECLPhotonEnergyResolution::ECLPhotonEnergyResolution()
{
  WeightInfo energyResolutionInfo = {
    {"RelativeEnergyResolution", -1.},
    {"RelativeEnergyResolutionUncertUp", -1.},
    {"RelativeEnergyResolutionUncertDown", -1.}
  };
 
  m_resolutionBinningTable.defineOutOfRangeWeight(energyResolutionInfo);
}
 
void ECLPhotonEnergyResolution::addRelativeEnergyResolution(std::vector<double> energyResolution, Binning binning)
{
  WeightInfo energyResolutionInfo = {
    {"RelativeEnergyResolution", energyResolution.at(0)},
    {"RelativeEnergyResolutionUncertUp", energyResolution.at(1)},
    {"RelativeEnergyResolutionUncertDown", energyResolution.at(2)}
  };
 
  ParticleWeightingBinLimits* energyBinValues = new ParticleWeightingBinLimits(binning.at(0).first, binning.at(0).second);
  ParticleWeightingBinLimits* thetaBinValues = new ParticleWeightingBinLimits(binning.at(1).first, binning.at(1).second);
  ParticleWeightingBinLimits* phiBinValues = new ParticleWeightingBinLimits(binning.at(2).first, binning.at(2).second);
 
  NDBin energyBinning = {{"Energy", energyBinValues}, {"Theta", thetaBinValues}, {"Phi", phiBinValues}};
 
  m_resolutionBinningTable.addEntry(energyResolutionInfo, energyBinning);
}
 
double ECLPhotonEnergyResolution::getRelativeEnergyResolution(double energy, double theta, double phi) const
{
  std::map<std::string, double> binning = {{"Energy", energy}, {"Theta", theta}, {"Phi", phi}};
 
  WeightInfo energyResolutionInfo = m_resolutionBinningTable.getInfo(binning);
 
  if (energyResolutionInfo.at("RelativeEnergyResolution") == -1.) {
    B2DEBUG(20, "Energy resolution was returned as -1 since provided energy was not within energy resolution binning.");
  }
 
  return energyResolutionInfo.at("RelativeEnergyResolution");
}