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PhotonReconstructionAlgorithm.cc
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PhotonReconstructionAlgorithm.cc
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/**
* @file LCContent/src/LCParticleId/PhotonReconstructionAlgorithm.cc
*
* @brief Implementation of the photon reconstruction algorithm class.
*
* $Log: $
*/
#include "Pandora/AlgorithmHeaders.h"
#include "LCHelpers/ClusterHelper.h"
#include "LCHelpers/SortingHelper.h"
#include "LCParticleId/PhotonReconstructionAlgorithm.h"
using namespace pandora;
namespace lc_content
{
PhotonReconstructionAlgorithm::PhotonReconstructionAlgorithm() :
m_replaceCurrentClusterList(false),
m_shouldDeleteNonPhotonClusters(true),
m_minClusterEnergy(0.f),
m_minPeakEnergy(0.f),
m_maxPeakRms(5.f),
m_maxRmsRatio(3.f),
m_maxLongProfileStart(10.f),
m_maxLongProfileDiscrepancy(0.8f),
m_maxSearchLayer(9),
m_parallelDistanceCut(100.f),
m_minTrackClusterCosAngle(0.f),
m_minDistanceToTrackDivisionCut(3.f),
m_transProfileEcalOnly(true),
m_transProfileMaxLayer(0),
m_minDistanceToTrackCutLow(2.f),
m_minDistanceToTrackCutHigh(200.f),
m_energyCutForPid1(0.2f),
m_pidCut1(1.f),
m_energyCutForPid2(0.5f),
m_pidCut2(0.6f),
m_pidCut3(0.4f),
// histogram related initialisation
m_shouldMakePdfHistograms(false),
m_shouldDrawPdfHistograms(false),
m_nEnergyBins(0)
{
}
//------------------------------------------------------------------------------------------------------------------------------------------
PhotonReconstructionAlgorithm::~PhotonReconstructionAlgorithm()
{
if (m_shouldMakePdfHistograms)
this->NormalizeAndWriteHistograms();
if (m_shouldDrawPdfHistograms)
this->DrawHistograms();
for (PDFVarLikelihoodPDFMap::iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
LikelihoodPDFObject &likelihoodPDFObject(iter->second);
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
delete likelihoodPDFObject.m_pSignalPDF[energyBin];
delete likelihoodPDFObject.m_pBackgroundPDF[energyBin];
}
delete [] likelihoodPDFObject.m_pSignalPDF;
delete [] likelihoodPDFObject.m_pBackgroundPDF;
}
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::Run()
{
// ATTN Implicit assumption that individual physical layers in the ECAL will always correspond to individual pseudo layers
// Also ECAL BARREL has same layer as ECAL ENDCAP and ecal is the first inner detector
if (m_transProfileEcalOnly && m_transProfileMaxLayer <= 0)
{
m_transProfileMaxLayer = PandoraContentApi::GetPlugins(*this)->GetPseudoLayerPlugin()->GetPseudoLayerAtIp() +
PandoraContentApi::GetGeometry(*this)->GetSubDetector(ECAL_BARREL).GetNLayers();
}
std::string inputClusterListName;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->InitialiseInputClusterListName(inputClusterListName));
ClusterVector clusterVector;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreateClustersOfInterest(clusterVector));
if (clusterVector.empty())
return STATUS_CODE_SUCCESS;
TrackVector trackVector;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetTrackVectors(trackVector));
for (ClusterVector::const_iterator iter = clusterVector.begin(), iterEnd = clusterVector.end(); iter != iterEnd; ++iter)
{
const Cluster *const pCluster = *iter;
if (!this->PassClusterQualityPreCut(pCluster))
continue;
const Track *pMinTrack = NULL;
float minDistance(std::numeric_limits<float>::max());
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetMinDistanceToTrack(pCluster, trackVector, minDistance, pMinTrack));
ShowerProfilePlugin::ShowerPeakList showersPhoton, showersCharged;
bool fromTrack(false);
if (pMinTrack && minDistance < m_minDistanceToTrackDivisionCut)
{
// cluster close to track
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetTrackClusterShowerList(pCluster, pMinTrack, trackVector, showersPhoton, showersCharged));
fromTrack = true;
}
else
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetTracklessClusterShowerList(pCluster, showersPhoton));
}
if (m_shouldMakePdfHistograms)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreatePhotonsForTraining(pCluster, showersPhoton));
}
else
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreatePhotons(pCluster, showersPhoton, fromTrack));
}
}
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->RunNestedFragmentRemovalAlg());
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->ReplaceInputClusterList(inputClusterListName));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::InitialiseInputClusterListName(std::string &inputClusterListName) const
{
const ClusterList *pInputClusterList = NULL;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentList(*this, pInputClusterList, inputClusterListName));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CreateClustersOfInterest(ClusterVector &clusterVector) const
{
// Create list of clusters as region of interests, potential photon candidates
const ClusterList *pPhotonClusterList = NULL;
std::string photonClusterListName;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::RunClusteringAlgorithm(*this, m_photonClusteringAlgName,
pPhotonClusterList, photonClusterListName));
if (pPhotonClusterList->empty())
{
std::cout << "PhotonReconstructionAlgorithm::CreateRegionsOfInterests - no photon candidates available, no regions of interests created." << std::endl;
return STATUS_CODE_SUCCESS;
}
// Fragmentation can only proceed with reference to a saved cluster list, so save these temporary clusters
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::SaveList<Cluster>(*this, m_clusterListName));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ReplaceCurrentList<Cluster>(*this, m_clusterListName));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentList(*this, pPhotonClusterList));
// Sort the clusters.
clusterVector.assign(pPhotonClusterList->begin(), pPhotonClusterList->end());
std::sort(clusterVector.begin(), clusterVector.end(), lc_content::SortingHelper::SortClustersByInnerLayer);
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetTrackVectors(TrackVector &trackVector) const
{
const TrackList *pTrackList = NULL;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentList(*this, pTrackList));
trackVector.assign(pTrackList->begin(), pTrackList->end());
std::sort(trackVector.begin(), trackVector.end(), PointerLessThan<Track>());
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
bool PhotonReconstructionAlgorithm::PassClusterQualityPreCut(const Cluster *const pCluster) const
{
return ((pCluster->GetElectromagneticEnergy() > m_minClusterEnergy) &&
(PandoraContentApi::GetGeometry(*this)->GetHitTypeGranularity(pCluster->GetInnerLayerHitType()) <= FINE));
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetTracklessClusterShowerList(const Cluster *const pCluster, ShowerProfilePlugin::ShowerPeakList &showersPhoton) const
{
const ShowerProfilePlugin *const pShowerProfilePlugin(PandoraContentApi::GetPlugins(*this)->GetShowerProfilePlugin());
pShowerProfilePlugin->CalculateTransverseProfile(pCluster, m_transProfileMaxLayer, showersPhoton, false);
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetTrackClusterShowerList(const Cluster *const pCluster, const Track *const pMinTrack,
const TrackVector trackVector, ShowerProfilePlugin::ShowerPeakList &showersPhoton, ShowerProfilePlugin::ShowerPeakList &showersCharged) const
{
const ShowerProfilePlugin *const pShowerProfilePlugin(PandoraContentApi::GetPlugins(*this)->GetShowerProfilePlugin());
pShowerProfilePlugin->CalculateTrackBasedTransverseProfile(pCluster, m_transProfileMaxLayer, pMinTrack, trackVector, showersPhoton, showersCharged);
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CreatePhotons(const Cluster *const pCluster, const ShowerProfilePlugin::ShowerPeakList &showersPhoton, const bool isFromTrack) const
{
// ATTN showersCharged or showersPhoton could empty
if (showersPhoton.empty())
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->DeleteCluster(pCluster));
return STATUS_CODE_SUCCESS;
}
std::string originalClusterListName, peakClusterListName;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->InitialiseFragmentation(pCluster, originalClusterListName, peakClusterListName));
bool usedCluster(false);
try
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreateClustersAndSetPhotonID(showersPhoton, pCluster->GetElectromagneticEnergy(), usedCluster, isFromTrack));
}
catch (const StatusCodeException &)
{
usedCluster = false;
std::cout << "PhotonReconstructionAlgorithm::CreatePhotons: StatusCodeException caught during fragmentation process." << std::endl;
}
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->EndFragmentation(usedCluster, originalClusterListName, peakClusterListName));
if (!usedCluster)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->DeleteCluster(pCluster));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::InitialiseFragmentation(const Cluster *const pCluster, std::string &originalClusterListName, std::string &peakClusterListName) const
{
const ClusterList clusterList(1, pCluster);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::InitializeFragmentation(*this, clusterList, originalClusterListName, peakClusterListName));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::EndFragmentation(const bool usedCluster, const std::string &originalClusterListName, const std::string &peakClusterListName) const
{
const std::string &clusterListToSaveName((usedCluster) ? peakClusterListName : originalClusterListName);
const std::string &clusterListToDeleteName((usedCluster) ? originalClusterListName : peakClusterListName);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::EndFragmentation(*this, clusterListToSaveName,clusterListToDeleteName));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CreateClustersAndSetPhotonID(const ShowerProfilePlugin::ShowerPeakList &showersPhoton, const float wholeClusuterEnergy,
bool &usedCluster, const bool isFromTrack) const
{
for (unsigned int iPeak = 0, iPeakEnd = showersPhoton.size(); iPeak < iPeakEnd; ++iPeak)
{
const ShowerProfilePlugin::ShowerPeak &showerPeak(showersPhoton[iPeak]);
const Cluster *pPeakCluster = NULL;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreateCluster(showerPeak, pPeakCluster));
bool isPhoton(false);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CheckAndSetPhotonID(showerPeak, pPeakCluster, wholeClusuterEnergy, isPhoton, isFromTrack));
if (isPhoton)
{
usedCluster = true;
}
else
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->DeleteCluster(pPeakCluster));
}
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CreateCluster(const ShowerProfilePlugin::ShowerPeak &showerPeak, const Cluster *&pPeakCluster) const
{
PandoraContentApi::Cluster::Parameters parameters;
parameters.m_caloHitList = showerPeak.GetPeakCaloHitList();
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Cluster::Create(*this, parameters, pPeakCluster));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CheckAndSetPhotonID(const ShowerProfilePlugin::ShowerPeak &showerPeak, const Cluster *const pPeakCluster,
const float wholeClusterEnergy, bool &isPhoton, const bool isFromTrack) const
{
PDFVarFloatMap pdfVarFloatMap;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CalculateForPhotonID(showerPeak, pPeakCluster, wholeClusterEnergy, pdfVarFloatMap));
if (this->IsPhoton(pPeakCluster, pdfVarFloatMap, isFromTrack))
{
isPhoton = true;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->SetPhotonID(pPeakCluster));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CalculateForPhotonID(const ShowerProfilePlugin::ShowerPeak &showerPeak, const Cluster *const pPeakCluster,
const float wholeClusterEnergy, PDFVarFloatMap &pdfVarFloatMap) const
{
const float peakRMS(showerPeak.GetPeakRms());
const float rmsRatio(showerPeak.GetRmsXYRatio());
float profileStart(0.f), profileDiscrepancy(0.f);
PandoraContentApi::GetPlugins(*this)->GetShowerProfilePlugin()->CalculateLongitudinalProfile(pPeakCluster, profileStart, profileDiscrepancy);
const float energyFraction(pPeakCluster->GetElectromagneticEnergy() / wholeClusterEnergy);
TrackVector trackVector;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetTrackVectors(trackVector));
const Track *pMinTrack = NULL;
float minDistance(std::numeric_limits<float>::max());
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetMinDistanceToTrack(pPeakCluster, trackVector, minDistance, pMinTrack));
if ((!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(PEAKRMS, peakRMS)).second) ||
(!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(RMSXYRATIO, rmsRatio)).second) ||
(!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(LONGPROFILESTART, profileStart)).second) ||
(!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(LONGPROFILEDISCREPANCY, profileDiscrepancy)).second) ||
(!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(PEAKENERGYFRACTION, energyFraction)).second) ||
(!pdfVarFloatMap.insert(PDFVarFloatMap::value_type(MINDISTANCETOTRACK, minDistance)).second))
return STATUS_CODE_FAILURE;
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
bool PhotonReconstructionAlgorithm::IsPhoton(const pandora::Cluster *const pPeakCluster, const PDFVarFloatMap &pdfVarFloatMap, const bool isFromTrack) const
{
const float clusterEnergy(pPeakCluster->GetElectromagneticEnergy());
return (this->PassPhotonQualityCut(clusterEnergy, pdfVarFloatMap) &&
this->PassPhotonPIDCut(this->GetPIDForPhotonID(clusterEnergy, pdfVarFloatMap), clusterEnergy, isFromTrack));
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::SetPhotonID(const Cluster *const pPeakCluster) const
{
PandoraContentApi::Cluster::Metadata metadata;
metadata.m_particleId = PHOTON;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Cluster::AlterMetadata(*this, pPeakCluster, metadata));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
bool PhotonReconstructionAlgorithm::PassPhotonQualityCut(const float clusterEnergy, const PDFVarFloatMap &pdfVarFloatMap) const
{
return ( clusterEnergy > m_minPeakEnergy &&
pdfVarFloatMap.find(PEAKRMS)->second < m_maxPeakRms &&
pdfVarFloatMap.find(RMSXYRATIO)->second < m_maxRmsRatio &&
pdfVarFloatMap.find(LONGPROFILESTART)->second < m_maxLongProfileStart &&
pdfVarFloatMap.find(LONGPROFILEDISCREPANCY)->second < m_maxLongProfileDiscrepancy &&
pdfVarFloatMap.find(MINDISTANCETOTRACK)->second > m_minDistanceToTrackCutLow &&
pdfVarFloatMap.find(MINDISTANCETOTRACK)->second < m_minDistanceToTrackCutHigh);
}
//------------------------------------------------------------------------------------------------------------------------------------------
float PhotonReconstructionAlgorithm::GetPIDForPhotonID(const float clusterEnergy, const PDFVarFloatMap &pdfVarFloatMap) const
{
double yes(1.f), no(1.f);
const unsigned int energyBin(this->GetEnergyBin(clusterEnergy));
for (PDFVarLikelihoodPDFMap::const_iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
const LikelihoodPDFObject &likelihoodPDFObject(iter->second);
const PDFVar &pdfVar((*iter).first);
yes *= this->GetHistogramContent(likelihoodPDFObject.m_pSignalPDF[energyBin], pdfVarFloatMap.find(pdfVar)->second);
no *= this->GetHistogramContent(likelihoodPDFObject.m_pBackgroundPDF[energyBin], pdfVarFloatMap.find(pdfVar)->second);
}
const double yesWeighted(yes * m_nSignalEvents[energyBin]), noWeighted(no * m_nBackgroundEvents[energyBin]);
return ((yesWeighted + noWeighted) > std::numeric_limits<double>::epsilon() ? static_cast<float>(yesWeighted / (yesWeighted + noWeighted)) : 0.f);
}
//------------------------------------------------------------------------------------------------------------------------------------------
bool PhotonReconstructionAlgorithm::PassPhotonPIDCut(const float pid, const float clusterEnergy, const bool /*isFromTrack*/) const
{
// ATTN isFromTrack is left for future if someone wants to have different cut for cluster close to track or not
if (clusterEnergy < m_energyCutForPid1)
{
if (pid > m_pidCut1)
return true;
}else if (clusterEnergy < m_energyCutForPid2)
{
if (pid > m_pidCut2)
return true;
}else
{
if (pid > m_pidCut3)
return true;
}
return false;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::DeleteCluster(const Cluster *const pCluster) const
{
if (m_shouldDeleteNonPhotonClusters)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Delete(*this, pCluster));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::RunNestedFragmentRemovalAlg() const
{
// Run the daughter fragment merging algorithm, if provided
if (!m_fragmentMergingAlgName.empty())
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::RunDaughterAlgorithm(*this, m_fragmentMergingAlgName));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::ReplaceInputClusterList(const std::string &inputClusterListName) const
{
const std::string replacementListName(m_replaceCurrentClusterList ? m_clusterListName : inputClusterListName);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ReplaceCurrentList<Cluster>(*this, replacementListName));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetMinDistanceToTrack(const pandora::Cluster *const pCluster, const pandora::TrackVector &trackVector,
float &minDistance, const pandora::Track *&pMinTrack) const
{
minDistance = std::numeric_limits<float>::max();
float minEnergyDifference(std::numeric_limits<float>::max());
for (TrackVector::const_iterator trackIter = trackVector.begin(), trackIterEnd = trackVector.end(); trackIter != trackIterEnd; ++trackIter)
{
const Track *const pTrack = *trackIter;
float trackClusterDistance(std::numeric_limits<float>::max());
if (STATUS_CODE_SUCCESS == lc_content::ClusterHelper::GetTrackClusterDistance(pTrack, pCluster, m_maxSearchLayer, m_parallelDistanceCut,
m_minTrackClusterCosAngle, trackClusterDistance))
{
const float energyDifference(std::fabs(pCluster->GetHadronicEnergy() - pTrack->GetEnergyAtDca()));
if ((trackClusterDistance < minDistance) || ((trackClusterDistance == minDistance) && (energyDifference < minEnergyDifference)))
{
minDistance = trackClusterDistance;
minEnergyDifference = energyDifference;
pMinTrack=*trackIter;
}
}
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::ReadSettings(const TiXmlHandle xmlHandle)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ProcessAlgorithm(*this, xmlHandle,
"PhotonClusterFormation", m_photonClusteringAlgName));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ProcessAlgorithm(*this, xmlHandle,
"PhotonFragmentMerging", m_fragmentMergingAlgName));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadValue(xmlHandle,
"ClusterListName", m_clusterListName));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadValue(xmlHandle,
"ReplaceCurrentClusterList", m_replaceCurrentClusterList));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"ShouldDeleteNonPhotonClusters", m_shouldDeleteNonPhotonClusters));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinClusterEnergy", m_minClusterEnergy));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinPeakEnergy", m_minPeakEnergy));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MaxPeakRms", m_maxPeakRms));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MaxLongProfileStart", m_maxLongProfileStart));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MaxLongProfileDiscrepancy", m_maxLongProfileDiscrepancy));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MaxSearchLayer", m_maxSearchLayer));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"ParallelDistanceCut", m_parallelDistanceCut));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinTrackClusterCosAngle", m_minTrackClusterCosAngle));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinDistanceToTrackDivisionCut", m_minDistanceToTrackDivisionCut));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"TransProfileEcalOnly", m_transProfileEcalOnly));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"TransProfileMaxLayer", m_transProfileMaxLayer));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinDistanceToTrackCutLow", m_minDistanceToTrackCutLow));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"MinDistanceToTrackCutHigh", m_minDistanceToTrackCutHigh));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"EnergyCutForPid1", m_energyCutForPid1));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"PidCut1", m_pidCut1));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"EnergyCutForPid2", m_energyCutForPid2));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"PidCut2", m_pidCut2));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
"PidCut3", m_pidCut3));
return this->ReadHistogramSettings(xmlHandle);
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::ReadHistogramSettings(const TiXmlHandle xmlHandle)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->InitialisePDFVarLikelihoodPDFObjectMap());
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadValue(xmlHandle, "HistogramFile", m_histogramFile));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "ShouldMakePdfHistograms", m_shouldMakePdfHistograms));
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "ShouldDrawPdfHistograms", m_shouldDrawPdfHistograms));
if (m_shouldMakePdfHistograms)
{
return this->InitialiseHistogramWriting(xmlHandle);
}
else
{
return this->InitialiseHistogramReading();
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::InitialiseHistogramWriting(const pandora::TiXmlHandle xmlHandle)
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadValue(xmlHandle, "NEnergyBins", m_nEnergyBins));
// ATTN Sanity check: m_nEnergyBins should have a reasonable value
if (0 == m_nEnergyBins || 10000 < m_nEnergyBins)
{
std::cout << "PhotonReconstructionAlgorithm::InitialiseHistogramWriting - Invalid number PDF energy bins specified." << std::endl;
return STATUS_CODE_INVALID_PARAMETER;
}
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetEnergyBinLowerEdges(xmlHandle, "EnergyBinLowerEdges", m_energyBinLowerEdges));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, PEAKRMS, "PeakRmsNBins", 50,
"PeakRmsLowValue", 0.f, "PeakRmsHighValue", 5.f));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, RMSXYRATIO, "RmsRatioNBins", 30,
"RmsRatioLowValue", 1.f, "RmsRatioHighValue", 3.f));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, LONGPROFILESTART, "LongProfileStartNBins", 11,
"LongProfileStartLowValue", -0.5f, "LongProfileStartHighValue", 10.5f));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, LONGPROFILEDISCREPANCY, "LongProfileDiscrepancyNBins", 42,
"LongProfileDiscrepancyLowValue", -0.02f, "LongProfileDiscrepancyHighValue", 0.82f));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, PEAKENERGYFRACTION, "PeakEnergyFractionNBins", 52,
"PeakEnergyFractionLowValue", -0.02f, "PeakEnergyFractionHighValue", 1.02f));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPDFVarLikelihoodPDFMapParameters(xmlHandle, MINDISTANCETOTRACK, "MinDistanceToTrackNBins", 40,
"MinDistanceToTrackLowValue", 0.f, "MinDistanceToTrackHighValue", 20.f));
for (PDFVarLikelihoodPDFMap::iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
LikelihoodPDFObject &likelihoodPDFObject(iter->second);
likelihoodPDFObject.m_pSignalPDF = new Histogram*[m_nEnergyBins];
likelihoodPDFObject.m_pBackgroundPDF = new Histogram*[m_nEnergyBins];
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
likelihoodPDFObject.m_pSignalPDF[energyBin] = new Histogram(likelihoodPDFObject.m_nBins, likelihoodPDFObject.m_lowValue, likelihoodPDFObject.m_highValue);
likelihoodPDFObject.m_pBackgroundPDF[energyBin] = new Histogram(likelihoodPDFObject.m_nBins, likelihoodPDFObject.m_lowValue, likelihoodPDFObject.m_highValue);
}
}
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
m_nSignalEvents.push_back(0);
m_nBackgroundEvents.push_back(0);
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::InitialiseHistogramReading()
{
TiXmlDocument pdfXmlDocument(m_histogramFile);
if (!pdfXmlDocument.LoadFile())
{
std::cout << "PhotonReconstructionAlgorithm::InitialiseHistogramReading - Invalid xml file specified for pdf histograms." << std::endl;
return STATUS_CODE_INVALID_PARAMETER;
}
const TiXmlHandle pdfXmlHandle(&pdfXmlDocument);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetNEnergyBins(pdfXmlHandle, "NEnergyBins", m_nEnergyBins));
// ATTN Sanity check: m_nEnergyBins should have a reasonable value
if (0 == m_nEnergyBins || 10000 < m_nEnergyBins)
{
std::cout << "PhotonReconstructionAlgorithm::InitialiseHistogramReading - Invalid number PDF energy bins specified." << std::endl;
return STATUS_CODE_INVALID_PARAMETER;
}
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetEnergyBinLowerEdges(pdfXmlHandle, "EnergyBinLowerEdges", m_energyBinLowerEdges));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->GetNSignalBackgroundEvts(pdfXmlHandle, "NSignalEvents", "NBackgroundEvents", m_nSignalEvents, m_nBackgroundEvents));
for (PDFVarLikelihoodPDFMap::iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
LikelihoodPDFObject &likelihoodPDFObject(iter->second);
likelihoodPDFObject.m_pSignalPDF = new Histogram*[m_nEnergyBins];
likelihoodPDFObject.m_pBackgroundPDF = new Histogram*[m_nEnergyBins];
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
likelihoodPDFObject.m_pSignalPDF[energyBin] = new Histogram(&pdfXmlHandle, "PhotonSig" + likelihoodPDFObject.m_pdfVarName + "_" + TypeToString(energyBin));
likelihoodPDFObject.m_pBackgroundPDF[energyBin] = new Histogram(&pdfXmlHandle, "PhotonBkg" + likelihoodPDFObject.m_pdfVarName + "_" + TypeToString(energyBin));
}
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::InitialisePDFVarLikelihoodPDFObjectMap()
{
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(PEAKRMS, LikelihoodPDFObject("PeakRms"))).second)
return STATUS_CODE_FAILURE;
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(RMSXYRATIO, LikelihoodPDFObject("RmsRatio"))).second)
return STATUS_CODE_FAILURE;
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(LONGPROFILESTART, LikelihoodPDFObject("LongProfileStart"))).second)
return STATUS_CODE_FAILURE;
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(LONGPROFILEDISCREPANCY, LikelihoodPDFObject("LongProfileDiscrepancy"))).second)
return STATUS_CODE_FAILURE;
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(PEAKENERGYFRACTION, LikelihoodPDFObject("PeakEnergyFraction"))).second)
return STATUS_CODE_FAILURE;
if (false == m_pdfVarLikelihoodPDFMap.insert(PDFVarLikelihoodPDFMap::value_type(MINDISTANCETOTRACK, LikelihoodPDFObject("MinDistanceToTrack"))).second)
return STATUS_CODE_FAILURE;
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetNEnergyBins(const pandora::TiXmlHandle xmlHandle, const std::string &nEnergyBinsStr, unsigned int &nEnergyBins) const
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadValue(xmlHandle, nEnergyBinsStr, nEnergyBins));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetEnergyBinLowerEdges(const TiXmlHandle xmlHandle, const std::string &energyBinLowerEdgesStr,
pandora::FloatVector &energyBinLowerEdges) const
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadVectorOfValues(xmlHandle, energyBinLowerEdgesStr, energyBinLowerEdges));
std::sort(energyBinLowerEdges.begin(), energyBinLowerEdges.end());
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->ParameterElementNumberCheck(energyBinLowerEdges));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::ParameterElementNumberCheck(FloatVector ¶meter) const
{
FloatVector::const_iterator binEdgesIter = std::unique(parameter.begin(), parameter.end());
if ((parameter.size() != m_nEnergyBins) || (parameter.end() != binEdgesIter))
{
std::cout << "PhotonReconstructionAlgorithm::ParameterElementNumberCheck - PDF energy binning issue." << std::endl;
return STATUS_CODE_INVALID_PARAMETER;
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::GetNSignalBackgroundEvts(const pandora::TiXmlHandle xmlHandle, const std::string &nSignalEventsStr,
const std::string &nBackgroundEventsStr, pandora::IntVector &nSignalEvents, pandora::IntVector &nBackgroundEvents) const
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadVectorOfValues(xmlHandle, nSignalEventsStr, nSignalEvents));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, XmlHelper::ReadVectorOfValues(xmlHandle, nBackgroundEventsStr, nBackgroundEvents));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::FillPDFVarLikelihoodPDFMapParameters(const TiXmlHandle xmlHandle, const PDFVar pdfVar, const std::string &nBinStr,
const int nBinDefault, const std::string &lowValueStr, const float lowValueDefault, const std::string &highValueStr, const float highValueDefault)
{
LikelihoodPDFObject &likelihoodPDFObject(m_pdfVarLikelihoodPDFMap.find(pdfVar)->second);
likelihoodPDFObject.m_nBins = nBinDefault;
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
nBinStr, likelihoodPDFObject.m_nBins));
likelihoodPDFObject.m_lowValue = lowValueDefault;
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
lowValueStr, likelihoodPDFObject.m_lowValue));
likelihoodPDFObject.m_highValue = highValueDefault;
PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle,
highValueStr, likelihoodPDFObject.m_highValue));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
unsigned int PhotonReconstructionAlgorithm::GetEnergyBin(const float energy) const
{
FloatVector::const_iterator binEdgesIter = std::upper_bound(m_energyBinLowerEdges.begin(), m_energyBinLowerEdges.end(), energy);
const unsigned int edgeElementNumber(std::distance(m_energyBinLowerEdges.begin(), binEdgesIter));
if (0 == edgeElementNumber)
throw StatusCodeException(STATUS_CODE_NOT_FOUND);
return static_cast<unsigned int>(edgeElementNumber - 1);
}
//------------------------------------------------------------------------------------------------------------------------------------------
float PhotonReconstructionAlgorithm::GetHistogramContent(const Histogram *const pHistogram, const float value) const
{
return pHistogram->GetBinContent(pHistogram->GetBinNumber(value));
}
//------------------------------------------------------------------------------------------------------------------------------------------
pandora::StatusCode PhotonReconstructionAlgorithm::CreatePhotonsForTraining(const Cluster *const pCluster, const ShowerProfilePlugin::ShowerPeakList &showersPhoton)
{
// ATTN showersCharged or showersPhoton could empty
if (showersPhoton.empty())
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->DeleteCluster(pCluster));
return STATUS_CODE_SUCCESS;
}
std::string originalClusterListName, peakClusterListName;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->InitialiseFragmentation(pCluster, originalClusterListName, peakClusterListName));
try
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreateClustersAndTrainPhotonID(showersPhoton, pCluster->GetElectromagneticEnergy()));
}
catch (const StatusCodeException &)
{
std::cout << "PhotonReconstructionAlgorithm::CreatePhotonsForTraining: StatusCodeException caught during fragmentation process." << std::endl;
}
bool dummyBoolean(false);
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->EndFragmentation(dummyBoolean, originalClusterListName, peakClusterListName));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->DeleteCluster(pCluster));
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::CreateClustersAndTrainPhotonID(const ShowerProfilePlugin::ShowerPeakList &showersPhoton, const float wholeClusuterEnergy)
{
for (unsigned int iPeak = 0, iPeakEnd = showersPhoton.size(); iPeak < iPeakEnd; ++iPeak)
{
const ShowerProfilePlugin::ShowerPeak &showerPeak(showersPhoton[iPeak]);
const Cluster *pPeakCluster = NULL;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CreateCluster(showerPeak, pPeakCluster));
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->TrainPhotonID(showerPeak, pPeakCluster, wholeClusuterEnergy));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::TrainPhotonID(const ShowerProfilePlugin::ShowerPeak &showerPeak, const Cluster *const pPeakCluster, const float wholeClusuterEnergy)
{
PDFVarFloatMap pdfVarFloatMap;
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->CalculateForPhotonID(showerPeak, pPeakCluster, wholeClusuterEnergy, pdfVarFloatMap));
// ATTN when training the likelihood file, only write xml file. Do not read xml file
if (this->PassPhotonQualityCut(pPeakCluster->GetElectromagneticEnergy(), pdfVarFloatMap))
{
PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->FillPdfHistograms(pPeakCluster, pdfVarFloatMap));
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
StatusCode PhotonReconstructionAlgorithm::FillPdfHistograms(const pandora::Cluster *const pCluster, const PDFVarFloatMap &pdfVarFloatMap)
{
const MCParticle *pMCParticle(NULL);
try
{
pMCParticle = MCParticleHelper::GetMainMCParticle(pCluster);
}
catch (const StatusCodeException &)
{
}
const unsigned int energyBin(this->GetEnergyBin(pCluster->GetElectromagneticEnergy()));
if ((NULL != pMCParticle) && (PHOTON == pMCParticle->GetParticleId()))
{
for (PDFVarLikelihoodPDFMap::const_iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
const LikelihoodPDFObject &likelihoodPDFObject((*iter).second);
const PDFVar &pdfVar((*iter).first);
likelihoodPDFObject.m_pSignalPDF[energyBin]->Fill(pdfVarFloatMap.find(pdfVar)->second);
}
m_nSignalEvents[energyBin]++;
}
else
{
for (PDFVarLikelihoodPDFMap::const_iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
const LikelihoodPDFObject &likelihoodPDFObject((*iter).second);
const PDFVar &pdfVar((*iter).first);
likelihoodPDFObject.m_pBackgroundPDF[energyBin]->Fill(pdfVarFloatMap.find(pdfVar)->second);
}
m_nBackgroundEvents[energyBin]++;
}
return STATUS_CODE_SUCCESS;
}
//------------------------------------------------------------------------------------------------------------------------------------------
void PhotonReconstructionAlgorithm::NormalizeHistogram(Histogram *const pHistogram) const
{
// ATTN normalise underflow and overflow bin
const float cumulativeSum(pHistogram->GetCumulativeSum(pHistogram->GetUnderflowBinNumber(), pHistogram->GetOverflowBinNumber()));
if (std::fabs(cumulativeSum) < std::numeric_limits<float>::epsilon())
{
std::cout << "PhotonReconstructionAlgorithm: Cannot normalize empty histogram " << std::endl;
return;
}
pHistogram->Scale(1.f / cumulativeSum);
}
//------------------------------------------------------------------------------------------------------------------------------------------
void PhotonReconstructionAlgorithm::WriteString(TiXmlDocument &xmlDocument, const std::string nameStr, const std::string valueStr)
{
TiXmlElement *const pStringElement = new TiXmlElement(nameStr);
pStringElement->LinkEndChild(new TiXmlText(valueStr));
xmlDocument.LinkEndChild(pStringElement);
}
//------------------------------------------------------------------------------------------------------------------------------------------
void PhotonReconstructionAlgorithm::NormalizeAndWriteHistograms()
{
std::string energyBinLowerEdgesString, nSignalEventsString, nBackgroundEventsString;
for (PDFVarLikelihoodPDFMap::iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
LikelihoodPDFObject &likelihoodPDFObject((*iter).second);
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
this->NormalizeHistogram(likelihoodPDFObject.m_pSignalPDF[energyBin]);
this->NormalizeHistogram(likelihoodPDFObject.m_pBackgroundPDF[energyBin]);
}
}
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
energyBinLowerEdgesString += TypeToString(m_energyBinLowerEdges[energyBin]) + " ";
nSignalEventsString += TypeToString(m_nSignalEvents[energyBin]) + " ";
nBackgroundEventsString += TypeToString(m_nBackgroundEvents[energyBin]) + " ";
}
TiXmlDocument xmlDocument;
this->WriteString(xmlDocument, "NEnergyBins", TypeToString(m_nEnergyBins));
this->WriteString(xmlDocument, "EnergyBinLowerEdges", energyBinLowerEdgesString);
this->WriteString(xmlDocument, "NSignalEvents", nSignalEventsString);
this->WriteString(xmlDocument, "NBackgroundEvents", nBackgroundEventsString);
for (PDFVarLikelihoodPDFMap::iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
LikelihoodPDFObject &likelihoodPDFObject((*iter).second);
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
likelihoodPDFObject.m_pSignalPDF[energyBin]->WriteToXml(&xmlDocument, "PhotonSig" + likelihoodPDFObject.m_pdfVarName + "_" + TypeToString(energyBin));
likelihoodPDFObject.m_pBackgroundPDF[energyBin]->WriteToXml(&xmlDocument, "PhotonBkg" + likelihoodPDFObject.m_pdfVarName + "_" + TypeToString(energyBin));
}
}
xmlDocument.SaveFile(m_histogramFile);
}
//------------------------------------------------------------------------------------------------------------------------------------------
void PhotonReconstructionAlgorithm::DrawHistograms() const
{
for (unsigned int energyBin = 0; energyBin < m_nEnergyBins; ++energyBin)
{
std::cout << "PhotonReconstructionAlgorithm: PDF EnergyBin " << energyBin << std::endl;
for (PDFVarLikelihoodPDFMap::const_iterator iter = m_pdfVarLikelihoodPDFMap.begin(), iterEnd = m_pdfVarLikelihoodPDFMap.end(); iter != iterEnd; ++iter)
{
const LikelihoodPDFObject &likelihoodPDFObject((*iter).second);
std::cout << "PhotonReconstructionAlgorithm: " << likelihoodPDFObject.m_pdfVarName << ", Signal, Background " << std::endl;
try
{
PANDORA_MONITORING_API(DrawPandoraHistogram(this->GetPandora(), *likelihoodPDFObject.m_pSignalPDF[energyBin]));
PANDORA_MONITORING_API(DrawPandoraHistogram(this->GetPandora(), *likelihoodPDFObject.m_pBackgroundPDF[energyBin]));
}
catch (const StatusCodeException &)
{
std::cout << "PhotonReconstructionAlgorithm: unable to draw histograms for variable " << likelihoodPDFObject.m_pdfVarName << std::endl;
}
}
}
}
} // namespace lc_content