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#ifndef _PFORECLUSTERING_ALG_C
#define _PFORECLUSTERING_ALG_C
#include "Algorithm/PFOReclusteringAlg.h"
StatusCode PFOReclusteringAlg::ReadSettings(Settings& m_settings){
settings = m_settings;
//Initialize parameters
if(settings.map_stringPars.find("ReadinPFOName")==settings.map_stringPars.end()) settings.map_stringPars["ReadinPFOName"] = "outputPFO";
if(settings.map_floatPars.find("ECALCalib")==settings.map_floatPars.end()) settings.map_floatPars["ECALCalib"] = 1.02;
if(settings.map_floatPars.find("HCALCalib")==settings.map_floatPars.end()) settings.map_floatPars["HCALCalib"] = 65.;
if(settings.map_floatPars.find("EnergyRes")==settings.map_floatPars.end()) settings.map_floatPars["EnergyRes"] = 0.4;
if(settings.map_floatPars.find("SplitSigma")==settings.map_floatPars.end()) settings.map_floatPars["SplitSigma"] = 0.;
if(settings.map_floatPars.find("NeutralMergeSigma")==settings.map_floatPars.end()) settings.map_floatPars["NeutralMergeSigma"] = 0.;
if(settings.map_floatPars.find("VirtualMergeSigma")==settings.map_floatPars.end()) settings.map_floatPars["VirtualMergeSigma"] = 0.6;
if(settings.map_floatPars.find("MinAngleForNeuMerge")==settings.map_floatPars.end()) settings.map_floatPars["MinAngleForNeuMerge"] = 0.18;
if(settings.map_floatPars.find("MinAngleForVirMerge")==settings.map_floatPars.end()) settings.map_floatPars["MinAngleForVirMerge"] = 0.12;
return StatusCode::SUCCESS;
};
StatusCode PFOReclusteringAlg::Initialize( PandoraPlusDataCol& m_datacol ){
p_PFObjects = nullptr;
p_PFObjects = &(m_datacol.map_PFObjects[settings.map_stringPars["ReadinPFOName"]]);
return StatusCode::SUCCESS;
};
StatusCode PFOReclusteringAlg::RunAlgorithm( PandoraPlusDataCol& m_datacol ){
std::vector< std::shared_ptr<PandoraPlus::PFObject> > m_chargedPFOs;
std::vector< std::shared_ptr<PandoraPlus::PFObject> > m_neutralPFOs;
for(int ipfo=0; ipfo<p_PFObjects->size(); ipfo++){
if(p_PFObjects->at(ipfo)->getTracks().size()==0) m_neutralPFOs.push_back( p_PFObjects->at(ipfo) );
else m_chargedPFOs.push_back( p_PFObjects->at(ipfo) );
}
std::sort(m_chargedPFOs.begin(), m_chargedPFOs.end(), compTrkP);
double totE_Ecal = 0;
double totE_Hcal = 0;
cout<<"Readin PFO: "<<p_PFObjects->size()<<", charged "<<m_chargedPFOs.size()<<", neutral "<<m_neutralPFOs.size()<<endl;
for(int i=0; i<m_neutralPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_neutralPFOs[i]->getTracks().size()<<", leading P "<<m_neutralPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_neutralPFOs[i]->getECALClusters().size()<<", totE "<<m_neutralPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_neutralPFOs[i]->getHCALClusters().size()<<", totE "<<m_neutralPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_neutralPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_neutralPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Neutral cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
totE_Ecal = 0;
totE_Hcal = 0;
for(int i=0; i<m_chargedPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_chargedPFOs[i]->getTracks().size()<<", leading P "<<m_chargedPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_chargedPFOs[i]->getECALClusters().size()<<", totE "<<m_chargedPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_chargedPFOs[i]->getHCALClusters().size()<<", totE "<<m_chargedPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_chargedPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_chargedPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Charged cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
//If P_trk < E_cluster, create a virtual neutral PFO.
ReCluster_SplitFromChg(m_chargedPFOs, m_neutralPFOs);
totE_Ecal = 0;
totE_Hcal = 0;
cout<<"After split from Ch: charged "<<m_chargedPFOs.size()<<", neutral "<<m_neutralPFOs.size()<<", total "<<p_PFObjects->size()<<endl;
for(int i=0; i<m_neutralPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_neutralPFOs[i]->getTracks().size()<<", leading P "<<m_neutralPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_neutralPFOs[i]->getECALClusters().size()<<", totE "<<m_neutralPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_neutralPFOs[i]->getHCALClusters().size()<<", totE "<<m_neutralPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_neutralPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_neutralPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Neutral cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
totE_Ecal = 0;
totE_Hcal = 0;
for(int i=0; i<m_chargedPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_chargedPFOs[i]->getTracks().size()<<", leading P "<<m_chargedPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_chargedPFOs[i]->getECALClusters().size()<<", totE "<<m_chargedPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_chargedPFOs[i]->getHCALClusters().size()<<", totE "<<m_chargedPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_chargedPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_chargedPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Charged cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
//If P_trk > E_cluster, merge nearby neutral PFO into the charged.
ReCluster_MergeToChg(m_chargedPFOs, m_neutralPFOs);
m_datacol.map_CaloHit["bkHit"].insert( m_datacol.map_CaloHit["bkHit"].end(), m_bkCol.map_CaloHit["bkHit"].begin(), m_bkCol.map_CaloHit["bkHit"].end() );
m_datacol.map_CaloCluster["bk3DCluster"].insert( m_datacol.map_CaloCluster["bk3DCluster"].end(), m_bkCol.map_CaloCluster["bk3DCluster"].begin(), m_bkCol.map_CaloCluster["bk3DCluster"].end() );
m_datacol.map_PFObjects["bkPFO"].insert( m_datacol.map_PFObjects["bkPFO"].end(), m_bkCol.map_PFObjects["bkPFO"].begin(), m_bkCol.map_PFObjects["bkPFO"].end() );
totE_Ecal = 0;
totE_Hcal = 0;
cout<<"After merge all virtual to Ch: charged "<<m_chargedPFOs.size()<<", neutral "<<m_neutralPFOs.size()<<", total "<<p_PFObjects->size()<<endl;
for(int i=0; i<m_neutralPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_neutralPFOs[i]->getTracks().size()<<", leading P "<<m_neutralPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_neutralPFOs[i]->getECALClusters().size()<<", totE "<<m_neutralPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_neutralPFOs[i]->getHCALClusters().size()<<", totE "<<m_neutralPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_neutralPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_neutralPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Neutral cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
totE_Ecal = 0;
totE_Hcal = 0;
for(int i=0; i<m_chargedPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_chargedPFOs[i]->getTracks().size()<<", leading P "<<m_chargedPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_chargedPFOs[i]->getECALClusters().size()<<", totE "<<m_chargedPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_chargedPFOs[i]->getHCALClusters().size()<<", totE "<<m_chargedPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_chargedPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_chargedPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Charged cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
m_chargedPFOs.clear();
m_neutralPFOs.clear();
return StatusCode::SUCCESS;
};
StatusCode PFOReclusteringAlg::ClearAlgorithm(){
p_PFObjects = nullptr;
m_bkCol.Clear();
return StatusCode::SUCCESS;
};
StatusCode PFOReclusteringAlg::ReCluster_MergeToChg(std::vector< std::shared_ptr<PandoraPlus::PFObject> >& m_chargedPFOs,
std::vector< std::shared_ptr<PandoraPlus::PFObject> >& m_neutralPFOs ){
//Merge real neutral PFOs
for(int ic=0; ic<m_chargedPFOs.size(); ic++){
if(m_chargedPFOs[ic]->getECALClusters().size()==0 && m_chargedPFOs[ic]->getHCALClusters().size()==0) continue;
double track_energy = m_chargedPFOs[ic]->getTrackMomentum();
double ECAL_energy = settings.map_floatPars["ECALCalib"]*m_chargedPFOs[ic]->getECALClusterEnergy();
double HCAL_energy = settings.map_floatPars["HCALCalib"]*m_chargedPFOs[ic]->getHCALClusterEnergy();
if(track_energy<0 || ECAL_energy<0 || HCAL_energy<0){
std::cout<<"ERROR: Charged PFO info break. Ptrk "<<track_energy<<", E_ecal "<<ECAL_energy<<", E_hcal "<<HCAL_energy<<endl;
continue;
}
double delta_energy = ECAL_energy + HCAL_energy - track_energy;
double sigmaE = settings.map_floatPars["EnergyRes"] * sqrt(ECAL_energy + HCAL_energy);
//cout<<" ReCluster_MergeToChg: In ChPFO #"<<ic;
//cout<<": ECAL cluster size "<<m_chargedPFOs[ic]->getECALClusters().size()<<", HCAL cluster size "<<m_chargedPFOs[ic]->getHCALClusters().size();
//cout<<", Ptrk = "<<track_energy<<", Eecal = "<<ECAL_energy<<", Ehcal = "<<HCAL_energy<<", deltaE = "<<delta_energy<<", sigmaE = "<<sigmaE<<endl;
if(delta_energy >= settings.map_floatPars["NeutralMergeSigma"]*sigmaE) continue;
//cout<<" Do charged PFO merge. "<<endl;
// All HCAL clusters in the neutral PFO
std::vector<const PandoraPlus::Calo3DCluster*> all_neutral_HCAL_clus;
for(int ip=0; ip<m_neutralPFOs.size(); ip++){
std::vector<const PandoraPlus::Calo3DCluster*> tmp_HCAL_clus = m_neutralPFOs[ip]->getHCALClusters();
all_neutral_HCAL_clus.insert(all_neutral_HCAL_clus.end(), tmp_HCAL_clus.begin(), tmp_HCAL_clus.end());
}
//cout<<" Neutral HCAL cluster size "<<all_neutral_HCAL_clus.size()<<endl;
TVector3 trackclus_pos(0, 0, 0);
if(m_chargedPFOs[ic]->getECALClusters().size()>0){
trackclus_pos = m_chargedPFOs[ic]->getECALClusters()[0]->getShowerCenter();
}
else{
for(int jc=0; jc<m_chargedPFOs[ic]->getHCALClusters().size(); jc++)
trackclus_pos += m_chargedPFOs[ic]->getHCALClusters()[jc]->getHitCenter() * settings.map_floatPars["HCALCalib"]*m_chargedPFOs[ic]->getHCALClusters()[jc]->getHitsE();
trackclus_pos = trackclus_pos*(1./HCAL_energy);
}
//printf(" charged cluster trk pos: [%.3f, %.3f, %.3f] \n", trackclus_pos.x(), trackclus_pos.y(), trackclus_pos.z());
int loop_count = 0;
std::vector<const PandoraPlus::Calo3DCluster*> skip_clus;
while(delta_energy < 0){
loop_count++;
if(loop_count>all_neutral_HCAL_clus.size()+10){
break;
}
double min_angle = 999.0;
int clus_index = -1;
for(int in=0; in<all_neutral_HCAL_clus.size(); in++){
if(find(skip_clus.begin(), skip_clus.end(), all_neutral_HCAL_clus[in]) != skip_clus.end()) continue;
TVector3 neutral_clus_pos = all_neutral_HCAL_clus[in]->getHitCenter();
double pfo_angle = trackclus_pos.Angle(neutral_clus_pos);
if (pfo_angle<settings.map_floatPars["MinAngleForNeuMerge"] && pfo_angle<min_angle){
min_angle=pfo_angle;
clus_index = in;
}
}
//cout<<" In Loop "<<loop_count<<": current deltaE = "<<delta_energy<<", closest virtual cluster index "<<clus_index<<endl;
if(clus_index<0) break; // No neutral Hcal cluster to be merged
double tmp_delta_E = delta_energy + settings.map_floatPars["HCALCalib"]*all_neutral_HCAL_clus[clus_index]->getHitsE();
if (TMath::Abs(tmp_delta_E) >= TMath::Abs(delta_energy)){
skip_clus.push_back(all_neutral_HCAL_clus[clus_index]);
continue; // No need to merge this HCAL cluster
}
// Update delta_energy
delta_energy = tmp_delta_E;
// Add this HCAL cluster to charged PFO
m_chargedPFOs[ic]->addHCALCluster(all_neutral_HCAL_clus[clus_index]);
// Remove this HCAL cluster from neutral PFO
bool is_found = false;
for(int in=0; in<m_neutralPFOs.size(); in++){
std::vector<const PandoraPlus::Calo3DCluster*> neutral_cluster = m_neutralPFOs[in]->getHCALClusters();
int tmp_index=-1;
for(int ii=0; ii<neutral_cluster.size(); ii++){
if (all_neutral_HCAL_clus[clus_index]==neutral_cluster[ii]){
tmp_index = ii;
break;
}
}
if (tmp_index==-1) continue;
//cout<<" Remove a neutral cluster: En "<<settings.map_floatPars["HCALCalib"]*neutral_cluster[tmp_index]->getHitsE()<<endl;
neutral_cluster.erase(neutral_cluster.begin()+tmp_index);
m_neutralPFOs[in]->setHCALCluster(neutral_cluster);
if(m_neutralPFOs[in]->getTracks().size() + m_neutralPFOs[in]->getECALClusters().size() + m_neutralPFOs[in]->getHCALClusters().size()==0){
//cout<<" Remove a neutral PFO: ECAL En "<<m_neutralPFOs[in]->getECALClusterEnergy()<<", HCAL En "<<m_neutralPFOs[in]->getHCALClusterEnergy()<<endl;
auto iter = find(p_PFObjects->begin(), p_PFObjects->end(), m_neutralPFOs[in]);
if(iter==p_PFObjects->end()){
std::cout<<"ERROR: can not find this neutral PFO in p_PFObjects. "<<std::endl;
}
else{
m_neutralPFOs.erase(m_neutralPFOs.begin()+in);
p_PFObjects->erase(iter);
}
}
is_found = true;
break;
}
if(!is_found){
cout << "Error! Can not find the HCAL cluster in neutral PFO" << endl;
}
// Remove this HCAL cluster from all_neutral_HCAL_clus
all_neutral_HCAL_clus.erase(all_neutral_HCAL_clus.begin()+clus_index);
}
}
double totE_Ecal = 0;
double totE_Hcal = 0;
cout<<"After merge real neu to Ch: charged "<<m_chargedPFOs.size()<<", neutral "<<m_neutralPFOs.size()<<", total "<<p_PFObjects->size()<<endl;
for(int i=0; i<m_neutralPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_neutralPFOs[i]->getTracks().size()<<", leading P "<<m_neutralPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_neutralPFOs[i]->getECALClusters().size()<<", totE "<<m_neutralPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_neutralPFOs[i]->getHCALClusters().size()<<", totE "<<m_neutralPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_neutralPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_neutralPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Neutral cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
totE_Ecal = 0;
totE_Hcal = 0;
for(int i=0; i<m_chargedPFOs.size(); i++){
cout<<" PFO #"<<i<<": track size "<<m_chargedPFOs[i]->getTracks().size()<<", leading P "<<m_chargedPFOs[i]->getTrackMomentum();
cout<<", ECAL cluster size "<<m_chargedPFOs[i]->getECALClusters().size()<<", totE "<<m_chargedPFOs[i]->getECALClusterEnergy();
cout<<", HCAL cluster size "<<m_chargedPFOs[i]->getHCALClusters().size()<<", totE "<<m_chargedPFOs[i]->getHCALClusterEnergy()<<endl;
totE_Ecal += m_chargedPFOs[i]->getECALClusterEnergy();
totE_Hcal += m_chargedPFOs[i]->getHCALClusterEnergy();
}
cout<<"-----Charged cluster Ecal total energy: "<<totE_Ecal<<", Hcal total energy: "<<totE_Hcal<<endl;
//Merge virtual neutral PFOs created from splitting.
for(int ic=0; ic<m_chargedPFOs.size(); ic++){
if(m_chargedPFOs[ic]->getTracks().size()==0) continue;
if( m_chargedPFOs[ic]->getECALClusters().size()==0 &&
m_chargedPFOs[ic]->getHCALClusters().size()==0 &&
m_chargedPFOs[ic]->getTracks()[0]->getTrackStates("Hcal").size()==0) continue;
double track_energy = m_chargedPFOs[ic]->getTrackMomentum();
double ECAL_energy = settings.map_floatPars["ECALCalib"]*m_chargedPFOs[ic]->getECALClusterEnergy();
double HCAL_energy = settings.map_floatPars["HCALCalib"]*m_chargedPFOs[ic]->getHCALClusterEnergy();
if(track_energy<0 || ECAL_energy<0 || HCAL_energy<0){
std::cout<<"ERROR: Charged PFO info break. Ptrk "<<track_energy<<", E_ecal "<<ECAL_energy<<", E_hcal "<<HCAL_energy<<endl;
continue;
}
double sigmaE = settings.map_floatPars["EnergyRes"] * sqrt(track_energy);
double delta_energy = ECAL_energy + HCAL_energy - track_energy;
cout<<" ReCluster_MergeToChg: In ChPFO #"<<ic<<": Ptrk = "<<track_energy<<", Eecal = "<<ECAL_energy<<", Ehcal = "<<HCAL_energy<<", deltaE = "<<delta_energy<<", sigmaE = "<<sigmaE<<endl;
if(delta_energy > settings.map_floatPars["VirtualMergeSigma"]*sigmaE) continue;
cout<<" Do charged PFO merge. "<<endl;
// Virtual HCAL clusters in the neutral PFO
std::vector<const PandoraPlus::Calo3DCluster*> all_neutral_HCAL_clus; all_neutral_HCAL_clus.clear();
for(int ip=0; ip<m_neutralPFOs.size(); ip++){
std::vector<const PandoraPlus::Calo3DCluster*> tmp_HCAL_clus = m_neutralPFOs[ip]->getHCALClusters();
if(tmp_HCAL_clus.size()!=1) continue;
if(tmp_HCAL_clus[0]->getType()!=-1) continue;
all_neutral_HCAL_clus.push_back(tmp_HCAL_clus[0]);
}
cout<<" Virtual HCAL cluster size "<<all_neutral_HCAL_clus.size()<<", print them: "<<endl;
for(int aa=0; aa<all_neutral_HCAL_clus.size(); aa++){
printf(" #%d: pos (%.3f, %.3f, %.3f), En %.3f, Nhit %d, type %d \n", aa, all_neutral_HCAL_clus[aa]->getHitCenter().x(), all_neutral_HCAL_clus[aa]->getHitCenter().y(), all_neutral_HCAL_clus[aa]->getHitCenter().z(), all_neutral_HCAL_clus[aa]->getHitsE()*settings.map_floatPars["HCALCalib"], all_neutral_HCAL_clus[aa]->getCaloHits().size(), all_neutral_HCAL_clus[aa]->getType() );
}
TVector3 trackclus_pos(0, 0, 0);
if(m_chargedPFOs[ic]->getTracks()[0]->getTrackStates("Hcal").size()>0){
std::vector<TrackState> m_extTrkStats = m_chargedPFOs[ic]->getTracks()[0]->getTrackStates("Hcal");
int min_hit_index = -1;
double min_distance = 999999;
for(int i=0; i<m_extTrkStats.size(); i++){
double hit_distance = m_extTrkStats[i].referencePoint.Perp();
if(hit_distance<min_distance){
min_distance = hit_distance;
min_hit_index = i;
}
}
if(min_hit_index>=0) trackclus_pos = m_extTrkStats[min_hit_index].referencePoint;
}
else if(m_chargedPFOs[ic]->getECALClusters().size()>0){
trackclus_pos = m_chargedPFOs[ic]->getECALClusters()[0]->getShowerCenter();
}
else{
for(int jc=0; jc<m_chargedPFOs[ic]->getHCALClusters().size(); jc++)
trackclus_pos += m_chargedPFOs[ic]->getHCALClusters()[jc]->getHitCenter() * settings.map_floatPars["HCALCalib"]*m_chargedPFOs[ic]->getHCALClusters()[jc]->getHitsE();
trackclus_pos = trackclus_pos*(1./HCAL_energy);
}
printf(" charged cluster trk pos: [%.3f, %.3f, %.3f] \n", trackclus_pos.x(), trackclus_pos.y(), trackclus_pos.z());
int loop_count = 0;
std::vector<const PandoraPlus::Calo3DCluster*> skip_clus;
while(delta_energy < sigmaE*settings.map_floatPars["VirtualMergeSigma"]-(1e-6)){
loop_count++;
if(loop_count>all_neutral_HCAL_clus.size()+10){
break;
}
double min_angle = 999.0;
int clus_index = -1;
for(int in=0; in<all_neutral_HCAL_clus.size(); in++){
if(find(skip_clus.begin(), skip_clus.end(), all_neutral_HCAL_clus[in]) != skip_clus.end()) continue;
TVector3 neutral_clus_pos = all_neutral_HCAL_clus[in]->getHitCenter();
double pfo_angle = trackclus_pos.Angle(neutral_clus_pos);
if (pfo_angle<settings.map_floatPars["MinAngleForVirMerge"] && pfo_angle<min_angle){
min_angle=pfo_angle;
clus_index = in;
}
}
cout<<" In Loop "<<loop_count<<": current deltaE = "<<delta_energy<<", closest virtual cluster index "<<clus_index<<endl;
if(clus_index<0) break; // No neutral Hcal cluster to be merged
double tmp_delta_E = delta_energy + settings.map_floatPars["HCALCalib"]*all_neutral_HCAL_clus[clus_index]->getHitsE();
cout<<" If include this cluster: new deltaE "<<tmp_delta_E<<", merge = "<<(tmp_delta_E > sigmaE * settings.map_floatPars["VirtualMergeSigma"])<<endl;
if(tmp_delta_E > sigmaE * settings.map_floatPars["VirtualMergeSigma"]){
double absorbed_energy = sigmaE*settings.map_floatPars["VirtualMergeSigma"] - delta_energy;
delta_energy = delta_energy + absorbed_energy;
//Create a new virtual neutral cluster with energy = absorbed_energy.
std::shared_ptr<PandoraPlus::CaloHit> m_hit = all_neutral_HCAL_clus[clus_index]->getCaloHits()[0]->Clone();
m_hit->setEnergy(absorbed_energy/settings.map_floatPars["HCALCalib"]);
std::shared_ptr<PandoraPlus::Calo3DCluster> m_clus = std::make_shared<PandoraPlus::Calo3DCluster>();
m_clus->addHit(m_hit.get());
m_clus->setType(-1);
m_bkCol.map_CaloHit["bkHit"].push_back( m_hit );
m_bkCol.map_CaloCluster["bk3DCluster"].push_back(m_clus);
m_chargedPFOs[ic]->addHCALCluster( m_clus.get() );
//Re-set neutral virtual cluster energy
bool is_found = false;
for(int ip=0; ip<m_neutralPFOs.size(); ip++){
auto tmp_HCAL_clus = m_neutralPFOs[ip]->getHCALClusters();
if(tmp_HCAL_clus.size()!=1) continue;
if(tmp_HCAL_clus[0]->getType()!=-1) continue;
if(tmp_HCAL_clus[0]==all_neutral_HCAL_clus[clus_index]){
std::shared_ptr<PandoraPlus::CaloHit> m_newhit = all_neutral_HCAL_clus[clus_index]->getCaloHits()[0]->Clone();
m_newhit->setEnergy(all_neutral_HCAL_clus[clus_index]->getHitsE() - absorbed_energy/settings.map_floatPars["HCALCalib"] );
std::shared_ptr<PandoraPlus::Calo3DCluster> m_newclus = std::make_shared<PandoraPlus::Calo3DCluster>();
m_newclus->addHit(m_newhit.get());
m_newclus->setType(-1);
m_bkCol.map_CaloHit["bkHit"].push_back( m_newhit );
m_bkCol.map_CaloCluster["bk3DCluster"].push_back(m_newclus);
std::vector<const Calo3DCluster*> tmp_clusters; tmp_clusters.clear();
tmp_clusters.push_back(m_clus.get());
m_neutralPFOs[ip]->setHCALCluster( tmp_clusters );
is_found = true;
break;
}
}
if(!is_found){
cout << "Error! Can not find the HCAL cluster in neutral PFO to delete part of the energy" << endl;
}
//Reset the energy
all_neutral_HCAL_clus.erase(all_neutral_HCAL_clus.begin()+clus_index);
all_neutral_HCAL_clus.push_back(m_clus.get());
skip_clus.push_back(m_clus.get());
}
else{
if (TMath::Abs(tmp_delta_E) >= TMath::Abs(delta_energy)){
skip_clus.push_back(all_neutral_HCAL_clus[clus_index]);
continue; // No need to merge this HCAL cluster
}
// Update delta_energy
delta_energy = tmp_delta_E;
// Add this HCAL cluster to charged PFO
m_chargedPFOs[ic]->addHCALCluster(all_neutral_HCAL_clus[clus_index]);
// Remove this HCAL cluster from neutral PFO
bool is_found = false;
for(int in=0; in<m_neutralPFOs.size(); in++){
std::vector<const PandoraPlus::Calo3DCluster*> neutral_cluster = m_neutralPFOs[in]->getHCALClusters();
int tmp_index=-1;
for(int ii=0; ii<neutral_cluster.size(); ii++){
if (all_neutral_HCAL_clus[clus_index]==neutral_cluster[ii]){
tmp_index = ii;
break;
}
}
if (tmp_index==-1) continue;
cout<<" Remove a neutral cluster: En "<<settings.map_floatPars["HCALCalib"]*neutral_cluster[tmp_index]->getHitsE()<<endl;
neutral_cluster.erase(neutral_cluster.begin()+tmp_index);
m_neutralPFOs[in]->setHCALCluster(neutral_cluster);
if(m_neutralPFOs[in]->getTracks().size() + m_neutralPFOs[in]->getECALClusters().size() + m_neutralPFOs[in]->getHCALClusters().size()==0){
cout<<" Remove a neutral PFO: ECAL En "<<m_neutralPFOs[in]->getECALClusterEnergy()<<", HCAL En "<<m_neutralPFOs[in]->getHCALClusterEnergy()<<endl;
auto iter = find(p_PFObjects->begin(), p_PFObjects->end(), m_neutralPFOs[in]);
if(iter==p_PFObjects->end()){
std::cout<<"ERROR: can not find this neutral PFO in p_PFObjects. "<<std::endl;
}
else{
m_neutralPFOs.erase(m_neutralPFOs.begin()+in);
p_PFObjects->erase(iter);
}
}
is_found = true;
break;
}
if(!is_found){
cout << "Error! Can not find the HCAL cluster in neutral PFO" << endl;
}
// Remove this HCAL cluster from all_neutral_HCAL_clus
all_neutral_HCAL_clus.erase(all_neutral_HCAL_clus.begin()+clus_index);
}
}
}
return StatusCode::SUCCESS;
};
StatusCode PFOReclusteringAlg::ReCluster_SplitFromChg( std::vector< std::shared_ptr<PandoraPlus::PFObject> >& m_chargedPFOs,
std::vector< std::shared_ptr<PandoraPlus::PFObject> >& m_neutralPFOs ){
for(int ipfo=0; ipfo<m_chargedPFOs.size(); ipfo++){
if(m_chargedPFOs[ipfo]->getECALClusters().size()==0 && m_chargedPFOs[ipfo]->getHCALClusters().size()==0) continue;
double track_energy = m_chargedPFOs[ipfo]->getTrackMomentum();
double ECAL_energy = settings.map_floatPars["ECALCalib"]*m_chargedPFOs[ipfo]->getECALClusterEnergy();
double HCAL_energy = settings.map_floatPars["HCALCalib"]*m_chargedPFOs[ipfo]->getHCALClusterEnergy();
if(track_energy<0 || ECAL_energy<0 || HCAL_energy<0){
std::cout<<"ERROR: Charged PFO info break. Ptrk "<<track_energy<<", E_ecal "<<ECAL_energy<<", E_hcal "<<HCAL_energy<<endl;
continue;
}
double delta_energy = ECAL_energy + HCAL_energy - track_energy;
double sigmaE = settings.map_floatPars["EnergyRes"] * sqrt(ECAL_energy + HCAL_energy);
//cout<<" ReCluster_MergeToChg: In ChPFO #"<<ipfo<<": Ptrk = "<<track_energy<<", Eecal = "<<ECAL_energy<<", Ehcal = "<<HCAL_energy<<", deltaE = "<<delta_energy<<", sigmaE = "<<sigmaE<<endl;
if(delta_energy <= settings.map_floatPars["SplitSigma"]*sigmaE) continue;
//cout<<" Do charged PFO splitting. "<<endl;
//Create a new hit and cluster
TVector3 tmp_pos(0,0,0);
for(int ic=0; ic<m_chargedPFOs[ipfo]->getECALClusters().size(); ic++)
tmp_pos += settings.map_floatPars["ECALCalib"] * m_chargedPFOs[ipfo]->getECALClusters()[ic]->getLongiE() * m_chargedPFOs[ipfo]->getECALClusters()[ic]->getShowerCenter();
for(int ic=0; ic<m_chargedPFOs[ipfo]->getHCALClusters().size(); ic++)
tmp_pos += settings.map_floatPars["HCALCalib"] * m_chargedPFOs[ipfo]->getHCALClusters()[ic]->getHitsE() * m_chargedPFOs[ipfo]->getHCALClusters()[ic]->getHitCenter();
tmp_pos = tmp_pos*(1./(ECAL_energy+HCAL_energy));
std::shared_ptr<PandoraPlus::CaloHit> m_hit = std::make_shared<PandoraPlus::CaloHit>();
m_hit->setPosition( tmp_pos );
m_hit->setEnergy( delta_energy/settings.map_floatPars["HCALCalib"] );
std::shared_ptr<PandoraPlus::Calo3DCluster> m_clus = std::make_shared<PandoraPlus::Calo3DCluster>();
m_clus->addHit(m_hit.get());
m_clus->setType(-1);
std::shared_ptr<PandoraPlus::PFObject> m_pfo = std::make_shared<PandoraPlus::PFObject>();
m_pfo->addHCALCluster( m_clus.get() );
//cout<<"Create a new Neutral PFO: energy "<<m_pfo->getHCALClusterEnergy()<<endl;
m_neutralPFOs.push_back( m_pfo );
p_PFObjects->push_back( m_pfo );
//For this charged PFO: reset HCAL energy. (negative HCAL energy is NOT allowed)
if(HCAL_energy>0 && HCAL_energy-delta_energy>0){
double m_HcalEnScale = (HCAL_energy-delta_energy)/HCAL_energy;
//cout<<"[FY debug] In PFO "<<ipfo<<": track P "<<m_chargedPFOs[ipfo]->getTrackMomentum()<<", HCAL cluster size "<<m_chargedPFOs[ipfo]->getHCALClusters().size()<<", first HCAL has Nhit "<<m_chargedPFOs[ipfo]->getHCALClusters()[0]->getCaloHits().size()<<endl;
//cout<<"[FY debug] Hcal energy scale = "<<m_HcalEnScale<<endl;
//Create new HCAL cluster
std::shared_ptr<PandoraPlus::Calo3DCluster> m_newclus = std::make_shared<PandoraPlus::Calo3DCluster>();
for(int ic=0; ic<m_chargedPFOs[ipfo]->getHCALClusters().size(); ic++){
std::vector<const PandoraPlus::CaloHit*> tmp_hits = m_chargedPFOs[ipfo]->getHCALClusters()[ic]->getCaloHits();
for(int ih=0; ih<tmp_hits.size(); ih++){
std::shared_ptr<CaloHit> tmp_newhit = tmp_hits[ih]->Clone();
tmp_newhit->setEnergy( tmp_newhit->getEnergy()*m_HcalEnScale );
m_newclus->addHit(tmp_newhit.get());
m_bkCol.map_CaloHit["bkHit"].push_back( tmp_newhit );
}
}
m_bkCol.map_CaloCluster["bk3DCluster"].push_back(m_newclus);
//cout<<"[FY debug] new HCAL cluster: hit size "<<m_newclus->getCaloHits().size()<<", total energy "<<m_newclus->getHitsE()<<endl;
//Create a new PFO
std::shared_ptr<PandoraPlus::PFObject> m_newpfo = m_chargedPFOs[ipfo]->Clone();
std::vector<const PandoraPlus::Calo3DCluster*> tmp_clusvec; tmp_clusvec.clear();
tmp_clusvec.push_back(m_newclus.get());
m_newpfo->setHCALCluster(tmp_clusvec);
m_bkCol.map_PFObjects["bkPFO"].push_back(m_newpfo);
auto iter = find(p_PFObjects->begin(), p_PFObjects->end(), m_chargedPFOs[ipfo]);
if(iter!=p_PFObjects->end())
*iter = m_newpfo;
m_chargedPFOs[ipfo] = m_newpfo;
//cout<<"[FY debug] The splitted new charged PFO: track size "<<m_newpfo->getTracks().size()<<", leading P "<<m_newpfo->getTrackMomentum();
//cout<<", ECAL cluster size "<<m_newpfo->getECALClusters().size()<<", totE "<<m_newpfo->getECALClusterEnergy();
//cout<<", HCAL cluster size "<<m_newpfo->getHCALClusters().size()<<", totE "<<m_newpfo->getHCALClusterEnergy()<<endl;
}
m_bkCol.map_CaloHit["bkHit"].push_back( m_hit );
m_bkCol.map_CaloCluster["bk3DCluster"].push_back(m_clus);
m_bkCol.map_PFObjects["bkPFO"].push_back(m_pfo);
}
return StatusCode::SUCCESS;
};
#endif