TruthMatchRatio.cxx

Go to the documentation of this file.

/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrkTruthCreatorTools/TruthMatchRatio.h"
#include "TrkTruthData/DetailedTrackTruth.h"
#include "TrkTruthData/SubDetHitStatistics.h"
 
namespace Trk {
 
//================================================================
TruthMatchRatio::TruthMatchRatio(const std::string& type, const std::string& name, const IInterface* parent)
  :  CommonTruthMatchWeights(type,name,parent)
{
  declareInterface<IDetailedTrackTruthSimilarity>(this);
}
 
//================================================================
double TruthMatchRatio::trackTruthSimilarity(const DetailedTrackTruth& dt) const
{
  double prd_track=0;
  double prd_common=0;
  for(unsigned i=0; i<SubDetHitStatistics::NUM_SUBDETECTORS; i++) {
    prd_common += m_subDetWeights[i] * dt.statsCommon()[SubDetHitStatistics::SubDetType(i)];
    prd_track += m_subDetWeights[i] * dt.statsTrack()[SubDetHitStatistics::SubDetType(i)];
  }
  return (prd_track>0)? prd_common/prd_track : 0.;
}
 
//================================================================
 
} // namespace Trk