ecal::EcalVetoProcessor Class Reference

Determines if event is vetoable using ECAL hit information. More...

#include <EcalVetoProcessor.h>

Public Types
typedef std::pair< ldmx::EcalID, float >	CellEnergyPair
typedef std::pair< float, float >	XYCoords

Public Member Functions
	EcalVetoProcessor (const std::string &name, framework::Process &process)
void	onNewRun (const ldmx::RunHeader &rh) override
	onNewRun is the first function called for each processor after the conditions are fully configured and accessible.
void	onProcessEnd () override
	Callback for the EventProcessor to take any necessary action when the processing of events finishes, such as calculating job-summary quantities.
void	configure (framework::config::Parameters &parameters) override
	Configure the processor using the given user specified parameters.
void	produce (framework::Event &event) override
	Process the event and put new data products into it.
Public Member Functions inherited from framework::Producer
	Producer (const std::string &name, Process &process)
	Class constructor.
virtual void	process (Event &event) final
	Processing an event for a Producer is calling produce.
Public Member Functions inherited from framework::EventProcessor
	DECLARE_FACTORY (EventProcessor, EventProcessor *, const std::string &, Process &)
	declare that we have a factory for this class
	EventProcessor (const std::string &name, Process &process)
	Class constructor.
virtual	~EventProcessor ()=default
	Class destructor.
virtual void	beforeNewRun (ldmx::RunHeader &run_header)
	Callback for Producers to add parameters to the run header before conditions are initialized.
virtual void	onFileOpen (EventFile &event_file)
	Callback for the EventProcessor to take any necessary action when a new event input ROOT file is opened.
virtual void	onFileClose (EventFile &event_file)
	Callback for the EventProcessor to take any necessary action when a event input ROOT file is closed.
virtual void	onProcessStart ()
	Callback for the EventProcessor to take any necessary action when the processing of events starts, such as creating histograms.
template<class T >
const T &	getCondition (const std::string &condition_name)
	Access a conditions object for the current event.
TDirectory *	getHistoDirectory ()
	Access/create a directory in the histogram file for this event processor to create histograms and analysis tuples.
void	setStorageHint (framework::StorageControl::Hint hint)
	Mark the current event as having the given storage control hint from this module_.
void	setStorageHint (framework::StorageControl::Hint hint, const std::string &purposeString)
	Mark the current event as having the given storage control hint from this module and the given purpose string.
int	getLogFrequency () const
	Get the current logging frequency from the process.
int	getRunNumber () const
	Get the run number from the process.
std::string	getName () const
	Get the processor name.
void	createHistograms (const std::vector< framework::config::Parameters > &histos)
	Internal function which is used to create histograms passed from the python configuration @parma histos vector of Parameters that configure histograms to create.

Private Member Functions
void	clearProcessor ()
ldmx::EcalID	getShowerCentroidIdAndRms (const std::vector< ldmx::EcalHit > &ecal_rec_hits, float &shower_rms)
void	fillHitMap (const std::vector< ldmx::EcalHit > &ecal_rec_hits, std::map< ldmx::EcalID, float > &cell_map_)
	Function to load up empty vector of hit maps.
void	fillIsolatedHitMap (const std::vector< ldmx::EcalHit > &ecal_rec_hits, ldmx::EcalID global_centroid, std::map< ldmx::EcalID, float > &cell_map, std::map< ldmx::EcalID, float > &cell_map_iso, bool doTight=false)
std::vector< XYCoords >	getTrajectory (std::array< float, 3 > momentum, std::array< float, 3 > position)
void	buildBDTFeatureVector (const ldmx::EcalVetoResult &result)

Private Attributes
int	nevents_ {0}
float	processing_time_ {0.}
std::map< std::string, float >	profiling_map_
std::map< ldmx::EcalID, float >	cell_map_
std::map< ldmx::EcalID, float >	cell_map_tight_iso_
std::vector< float >	ecal_layer_edep_raw_
std::vector< float >	ecal_layer_edep_readout_
std::vector< float >	ecal_layer_time_
std::vector< std::vector< float > >	roc_range_values_
int	n_ecal_layers_ {0}
int	n_readout_hits_ {0}
int	deepest_layer_hit_ {0}
float	summed_det_ {0}
float	summed_tight_iso_ {0}
float	max_cell_dep_ {0}
float	shower_rms_ {0}
float	x_std_ {0}
float	y_std_ {0}
float	avg_layer_hit_ {0}
float	std_layer_hit_ {0}
float	ecal_back_energy_ {0}
int	n_tracking_hits_ {0}
	Number of hits outside of the electron roc in the Ecal or if the electron trajectory is missing, all the hits in the Ecal.
float	ep_ang_ {0}
	Angular separation between the projected photon and electron trajectories as projected at ECAL.
float	ep_ang_at_target_ {0}
	Angular separation between the projected photon and electron trajectories as at Target.
float	ep_sep_ {0}
	Distance between the projected photon and electron trajectories at the ECal face.
float	ep_dot_ {0}
	Dot product of the photon and electron momenta unit vectors at Ecal.
float	ep_dot_at_target_ {0}
	Dot product of the photon and electron momenta unit vectors at Target.
float	bdt_cut_val_ {0}
float	beam_energy_mev_ {0}
std::string	bdt_file_name_
std::string	roc_file_name_
std::vector< float >	bdt_features_
std::string	feature_list_name_
std::string	sp_pass_name_
std::string	rec_pass_name_
std::string	rec_coll_name_
bool	recoil_from_tracking_
std::string	track_pass_name_
std::string	track_collection_
std::string	sim_particles_passname_
bool	inverse_skim_ {false}
std::string	collection_name_ {"EcalVeto"}
	Name of the collection which will containt the results.
std::unique_ptr< ldmx::ort::ONNXRuntime >	rt_
const ldmx::EcalGeometry *	geometry_
	handle to current geometry (to share with member functions)

Additional Inherited Members
Protected Member Functions inherited from framework::EventProcessor
void	abortEvent ()
	Abort the event immediately.
Protected Attributes inherited from framework::EventProcessor
HistogramPool	histograms_
	helper object for making and filling histograms
NtupleManager &	ntuple_ {NtupleManager::getInstance()}
	Manager for any ntuples.
logging::logger	the_log_
	The logger for this EventProcessor.

Detailed Description

Determines if event is vetoable using ECAL hit information.

Definition at line 45 of file EcalVetoProcessor.h.

Member Typedef Documentation

CellEnergyPair

std::pair<ldmx::EcalID, float> ecal::EcalVetoProcessor::CellEnergyPair

Definition at line 47 of file EcalVetoProcessor.h.

XYCoords

std::pair<float, float> ecal::EcalVetoProcessor::XYCoords

Definition at line 49 of file EcalVetoProcessor.h.

Constructor & Destructor Documentation

EcalVetoProcessor()

ecal::EcalVetoProcessor::EcalVetoProcessor ( const std::string & name, framework::Process & process )

inline

Definition at line 51 of file EcalVetoProcessor.h.

      : Producer(name, process) {}

~EcalVetoProcessor()

virtual ecal::EcalVetoProcessor::~EcalVetoProcessor ( )

inlinevirtual

Definition at line 54 of file EcalVetoProcessor.h.

{}

Member Function Documentation

buildBDTFeatureVector()

void ecal::EcalVetoProcessor::buildBDTFeatureVector ( const ldmx::EcalVetoResult & result )

private

Electron RoC variables

Photon RoC variables

Outside RoC variables

Definition at line 17 of file EcalVetoProcessor.cxx.

                                      {
  // Base variables
  bdt_features_.push_back(result.getNReadoutHits());
  bdt_features_.push_back(result.getSummedDet());
  bdt_features_.push_back(result.getSummedTightIso());
  bdt_features_.push_back(result.getMaxCellDep());
  bdt_features_.push_back(result.getShowerRMS());
  bdt_features_.push_back(result.getXStd());
  bdt_features_.push_back(result.getYStd());
  bdt_features_.push_back(result.getAvgLayerHit());
  bdt_features_.push_back(result.getStdLayerHit());
  bdt_features_.push_back(result.getDeepestLayerHit());
  bdt_features_.push_back(result.getEcalBackEnergy());
  // MIP tracking
 
  bdt_features_.push_back(-1.);  // NStraight
  bdt_features_.push_back(-1.);  // FirstNearPHLayer
  bdt_features_.push_back(-1.);  // NNearPHHits
  bdt_features_.push_back(-1.);  // PhotonTerritoryHits
 
  // bdt_features_.push_back(result.getNStraightTracks());
  // bdt_features_.push_back(result.getFirstNearPhLayer());
  // bdt_features_.push_back(result.getNNearPhHits());
  // bdt_features_.push_back(result.getPhotonTerritoryHits());
  // bdt_features_.push_back(result.getNTrackingHits());
  bdt_features_.push_back(result.getEPSep());
  bdt_features_.push_back(result.getEPDot());
  // Longitudinal segment variables
  bdt_features_.push_back(result.getEnergySeg()[0]);
  bdt_features_.push_back(result.getXMeanSeg()[0]);
  bdt_features_.push_back(result.getYMeanSeg()[0]);
  bdt_features_.push_back(result.getLayerMeanSeg()[0]);
  bdt_features_.push_back(result.getEnergySeg()[1]);
  bdt_features_.push_back(result.getYMeanSeg()[2]);
  bdt_features_.push_back(result.getEleContEnergy()[0][0]);
  bdt_features_.push_back(result.getEleContEnergy()[1][0]);
  bdt_features_.push_back(result.getEleContYMean()[0][0]);
  bdt_features_.push_back(result.getEleContEnergy()[0][1]);
  bdt_features_.push_back(result.getEleContEnergy()[1][1]);
  bdt_features_.push_back(result.getEleContYMean()[0][1]);
  bdt_features_.push_back(result.getPhContNHits()[0][0]);
  bdt_features_.push_back(result.getPhContYMean()[0][0]);
  bdt_features_.push_back(result.getPhContNHits()[0][1]);
  bdt_features_.push_back(result.getOutContEnergy()[0][0]);
  bdt_features_.push_back(result.getOutContEnergy()[1][0]);
  bdt_features_.push_back(result.getOutContEnergy()[2][0]);
  bdt_features_.push_back(result.getOutContNHits()[0][0]);
  bdt_features_.push_back(result.getOutContXMean()[0][0]);
  bdt_features_.push_back(result.getOutContYMean()[0][0]);
  bdt_features_.push_back(result.getOutContYMean()[1][0]);
  bdt_features_.push_back(result.getOutContYStd()[0][0]);
  bdt_features_.push_back(result.getOutContEnergy()[0][1]);
  bdt_features_.push_back(result.getOutContEnergy()[1][1]);
  bdt_features_.push_back(result.getOutContEnergy()[2][1]);
  bdt_features_.push_back(result.getOutContLayerMean()[0][1]);
  bdt_features_.push_back(result.getOutContLayerStd()[0][1]);
  bdt_features_.push_back(result.getOutContEnergy()[0][2]);
  bdt_features_.push_back(result.getOutContLayerMean()[0][2]);
}

Referenced by produce().

clearProcessor()

void ecal::EcalVetoProcessor::clearProcessor ( )

private

Definition at line 136 of file EcalVetoProcessor.cxx.

                                       {
  cell_map_.clear();
  cell_map_tight_iso_.clear();
  bdt_features_.clear();
 
  n_readout_hits_ = 0;
  summed_det_ = 0;
  summed_tight_iso_ = 0;
  max_cell_dep_ = 0;
  shower_rms_ = 0;
  x_std_ = 0;
  y_std_ = 0;
  avg_layer_hit_ = 0;
  std_layer_hit_ = 0;
  deepest_layer_hit_ = 0;
  ecal_back_energy_ = 0;
  n_tracking_hits_ = 0;
  ep_ang_ = 0;
  ep_ang_at_target_ = 0;
  ep_sep_ = 0;
  ep_dot_ = 0;
  ep_dot_at_target_ = 0;
 
  std::fill(ecal_layer_edep_raw_.begin(), ecal_layer_edep_raw_.end(), 0);
  std::fill(ecal_layer_edep_readout_.begin(), ecal_layer_edep_readout_.end(),
            0);
  std::fill(ecal_layer_time_.begin(), ecal_layer_time_.end(), 0);
}

configure()

void ecal::EcalVetoProcessor::configure ( framework::config::Parameters & parameters )

overridevirtual

Configure the processor using the given user specified parameters.

Parameters

parameters

Set of parameters used to configure this processor.

Reimplemented from framework::EventProcessor.

Definition at line 81 of file EcalVetoProcessor.cxx.

                                                                       {
  feature_list_name_ = parameters.get<std::string>("feature_list_name");
 
  sim_particles_passname_ =
      parameters.get<std::string>("sim_particles_passname");
  // Load BDT ONNX file
  rt_ = std::make_unique<ldmx::ort::ONNXRuntime>(
      parameters.get<std::string>("bdt_file"));
 
  // Read in arrays holding 68% containment radius_ per layer_
  // for different bins in momentum/angle
  roc_file_name_ = parameters.get<std::string>("roc_file");
  if (!std::ifstream(roc_file_name_).good()) {
    EXCEPTION_RAISE(
        "EcalVetoProcessor",
        "The specified RoC file '" + roc_file_name_ + "' does not exist!");
  } else {
    std::ifstream rocfile(roc_file_name_);
    std::string line, value;
 
    // Extract the first line in the file
    std::getline(rocfile, line);
    std::vector<float> values;
 
    // Read data, line by line
    while (std::getline(rocfile, line)) {
      std::stringstream ss(line);
      values.clear();
      while (std::getline(ss, value, ',')) {
        float f_value = (value != "") ? std::stof(value) : -1.0;
        values.push_back(f_value);
      }
      roc_range_values_.push_back(values);
    }
  }
 
  n_ecal_layers_ = parameters.get<int>("num_ecal_layers");
 
  bdt_cut_val_ = parameters.get<double>("disc_cut");
  ecal_layer_edep_raw_.resize(n_ecal_layers_, 0);
  ecal_layer_edep_readout_.resize(n_ecal_layers_, 0);
  ecal_layer_time_.resize(n_ecal_layers_, 0);
 
  beam_energy_mev_ = parameters.get<double>("beam_energy");
  // Set the collection name as defined in the configuration
  sp_pass_name_ = parameters.get<std::string>("sp_pass_name");
  collection_name_ = parameters.get<std::string>("collection_name");
  rec_pass_name_ = parameters.get<std::string>("rec_pass_name");
  rec_coll_name_ = parameters.get<std::string>("rec_coll_name");
  recoil_from_tracking_ = parameters.get<bool>("recoil_from_tracking");
  track_collection_ = parameters.get<std::string>("track_collection");
  track_pass_name_ = parameters.get<std::string>("track_pass_name", "");
  inverse_skim_ = parameters.get<bool>("inverse_skim");
}

References collection_name_, and framework::config::Parameters::get().

fillHitMap()

void ecal::EcalVetoProcessor::fillHitMap ( const std::vector< ldmx::EcalHit > & ecal_rec_hits, std::map< ldmx::EcalID, float > & cell_map_ )

private

Function to load up empty vector of hit maps.

Definition at line 1025 of file EcalVetoProcessor.cxx.

                                        {
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    ldmx::EcalID id(hit.getID());
    cellMap.emplace(id, hit.getEnergy());
  }
}

Referenced by produce().

fillIsolatedHitMap()

void ecal::EcalVetoProcessor::fillIsolatedHitMap ( const std::vector< ldmx::EcalHit > & ecal_rec_hits, ldmx::EcalID global_centroid, std::map< ldmx::EcalID, float > & cell_map, std::map< ldmx::EcalID, float > & cell_map_iso, bool doTight = false )

private

Definition at line 1034 of file EcalVetoProcessor.cxx.

                                                          {
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    auto isolated_hit = std::make_pair(true, ldmx::EcalID());
    ldmx::EcalID id(hit.getID());
    if (do_tight) {
      // Disregard hits_ that are on the centroid.
      if (id == global_centroid) continue;
 
      // Skip hits_ that are on centroid inner ring
      if (geometry_->isNN(global_centroid, id)) {
        continue;
      }
    }
 
    // Skip hits_ that have a readout neighbor
    // Get neighboring cell id's and try to look them up in the full cell map
    // (constant speed algo.)
    //  these ideas are only cell/module_ (must ignore layer_)
    std::vector<ldmx::EcalID> cell_nbr_ids = geometry_->getNN(id);
 
    for (int k = 0; k < cell_nbr_ids.size(); k++) {
      // update neighbor ID to the current layer_
      cell_nbr_ids[k] = ldmx::EcalID(id.layer(), cell_nbr_ids[k].module(),
                                     cell_nbr_ids[k].cell());
      // look in cell hit map to see if it is there
      if (cellMap.find(cell_nbr_ids[k]) != cellMap.end()) {
        isolated_hit = std::make_pair(false, cell_nbr_ids[k]);
        break;
      }
    }
    if (!isolated_hit.first) {
      continue;
    }
    // Insert isolated hit
    cellMapIso.emplace(id, hit.getEnergy());
  }
}

getShowerCentroidIdAndRms()

ldmx::EcalID ecal::EcalVetoProcessor::getShowerCentroidIdAndRms ( const std::vector< ldmx::EcalHit > & ecal_rec_hits, float & shower_rms )

private

Definition at line 975 of file EcalVetoProcessor.cxx.

                                                                    {
  auto wgt_centroid_coords = std::make_pair<float, float>(0., 0.);
  float sum_edep = 0;
  ldmx::EcalID return_cell_id;
 
  // Calculate Energy Weighted Centroid
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    ldmx::EcalID id(hit.getID());
    CellEnergyPair cell_energy_pair = std::make_pair(id, hit.getEnergy());
    auto [rechit_x, rechit_y, rechit_z] = geometry_->getPosition(id);
    XYCoords centroid_coords = std::make_pair(rechit_x, rechit_y);
    wgt_centroid_coords.first = wgt_centroid_coords.first +
                                centroid_coords.first * cell_energy_pair.second;
    wgt_centroid_coords.second =
        wgt_centroid_coords.second +
        centroid_coords.second * cell_energy_pair.second;
    sum_edep += cell_energy_pair.second;
  }  // end loop over rec hits
  wgt_centroid_coords.first = (sum_edep > 1E-6)
                                  ? wgt_centroid_coords.first / sum_edep
                                  : wgt_centroid_coords.first;
  wgt_centroid_coords.second = (sum_edep > 1E-6)
                                   ? wgt_centroid_coords.second / sum_edep
                                   : wgt_centroid_coords.second;
  // Find Nearest Cell to Centroid
  float max_dist = 1e6;
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    auto [rechit_x, rechit_y, rechit_z] = geometry_->getPosition(hit.getID());
    XYCoords centroid_coords = std::make_pair(rechit_x, rechit_y);
 
    float delta_r =
        sqrt(((centroid_coords.first - wgt_centroid_coords.first) *
              (centroid_coords.first - wgt_centroid_coords.first)) +
             ((centroid_coords.second - wgt_centroid_coords.second) *
              (centroid_coords.second - wgt_centroid_coords.second)));
    shower_rms += delta_r * hit.getEnergy();
    if (delta_r < max_dist) {
      max_dist = delta_r;
      return_cell_id = ldmx::EcalID(hit.getID());
    }
  }
  if (sum_edep > 0) shower_rms = shower_rms / sum_edep;
  // flatten
  return ldmx::EcalID(0, return_cell_id.module(), return_cell_id.cell());
}

getTrajectory()

std::vector< std::pair< float, float > > ecal::EcalVetoProcessor::getTrajectory ( std::array< float, 3 > momentum, std::array< float, 3 > position )

private

Definition at line 1077 of file EcalVetoProcessor.cxx.

                                                              {
  std::vector<XYCoords> positions;
  for (int i_layer = 0; i_layer < n_ecal_layers_; i_layer++) {
    float pos_x =
        position[0] + (momentum[0] / momentum[2]) *
                          (geometry_->getZPosition(i_layer) - position[2]);
    float pos_y =
        position[1] + (momentum[1] / momentum[2]) *
                          (geometry_->getZPosition(i_layer) - position[2]);
    positions.push_back(std::make_pair(pos_x, pos_y));
  }
  return positions;
}

onNewRun()

void ecal::EcalVetoProcessor::onNewRun ( const ldmx::RunHeader & rh )

overridevirtual

onNewRun is the first function called for each processor after the conditions are fully configured and accessible.

This is where you could create single-processors, multi-event calculation objects.

Reimplemented from framework::EventProcessor.

Definition at line 5 of file EcalVetoProcessor.cxx.

                                                        {
  profiling_map_["setup"] = 0.;
  profiling_map_["recoil_electron"] = 0.;
  profiling_map_["trajectories"] = 0.;
  profiling_map_["roc_var"] = 0.;
  profiling_map_["fill_hitmaps"] = 0.;
  profiling_map_["containment_var"] = 0.;
  profiling_map_["mip_tracking_setup"] = 0.;
  profiling_map_["set_variables"] = 0.;
  profiling_map_["bdt_variables"] = 0.;
}

onProcessEnd()

void ecal::EcalVetoProcessor::onProcessEnd ( )

overridevirtual

Callback for the EventProcessor to take any necessary action when the processing of events finishes, such as calculating job-summary quantities.

Reimplemented from framework::EventProcessor.

Definition at line 935 of file EcalVetoProcessor.cxx.

                                     {
  ldmx_log(info) << "AVG Time/Event: " << std::fixed << std::setprecision(2)
                 << processing_time_ / nevents_ << " ms";
 
  ldmx_log(info) << "Breakdown::";
 
  ldmx_log(info) << "setup                  Avg Time/Event = " << std::fixed
                 << std::setprecision(3) << profiling_map_["setup"] / nevents_
                 << " ms";
 
  ldmx_log(info) << "recoil_electron        Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["recoil_electron"] / nevents_ << " ms";
  ldmx_log(info) << "trajectories           Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["trajectories"] / nevents_ << " ms";
 
  ldmx_log(info) << "roc_var                Avg Time/Event = " << std::fixed
                 << std::setprecision(3) << profiling_map_["roc_var"] / nevents_
                 << " ms";
 
  ldmx_log(info) << "fill_hitmaps           Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["fill_hitmaps"] / nevents_ << " ms";
  ldmx_log(info) << "containment_var        Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["containment_var"] / nevents_ << " ms";
  ldmx_log(info) << "mip_tracking_setup     Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["mip_tracking_setup"] / nevents_ << " ms";
 
  ldmx_log(info) << "set_variables           Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["set_variables"] / nevents_ << " ms";
 
  ldmx_log(info) << "bdt_variables           Avg Time/Event = " << std::fixed
                 << std::setprecision(3)
                 << profiling_map_["bdt_variables"] / nevents_ << " ms";
}

produce()

void ecal::EcalVetoProcessor::produce ( framework::Event & event )

overridevirtual

Process the event and put new data products into it.

Parameters

event

The Event to process.

Implements framework::Producer.

Definition at line 165 of file EcalVetoProcessor.cxx.

                                                     {
  auto start = std::chrono::high_resolution_clock::now();
  nevents_++;
 
  // Get the Ecal Geometry
  geometry_ = &getCondition<ldmx::EcalGeometry>(
      ldmx::EcalGeometry::CONDITIONS_OBJECT_NAME);
 
  ldmx::EcalVetoResult result;
 
  clearProcessor();
 
  // Get the collection of Ecal scoring plane hits_. If it doesn't exist,
  // don't bother adding any truth tracking information.
 
  std::array<float, 3> recoil_p = {0., 0., 0.};
  std::array<float, 3> recoil_pos = {-9999., -9999., -9999.};
  std::array<float, 3> recoil_p_at_target = {0., 0., 0.};
  std::array<float, 3> recoil_pos_at_target = {-9999., -9999., -9999.};
 
  auto setup = std::chrono::high_resolution_clock::now();
  profiling_map_["setup"] +=
      std::chrono::duration<float, std::milli>(setup - start).count();
 
  if (!recoil_from_tracking_ &&
      event.exists("EcalScoringPlaneHits", sp_pass_name_)) {
    ldmx_log(trace) << "   Loop through all of the sim particles and find the "
                       "recoil electron";
    //
    // Loop through all of the sim particles and find the recoil electron.
    //
 
    // Get the collection of simulated particles from the event
    auto particle_map{event.getMap<int, ldmx::SimParticle>(
        "SimParticles", sim_particles_passname_)};
 
    // Search for the recoil electron
    auto [recoil_track_id, recoil_electron] = analysis::getRecoil(particle_map);
 
    // Find ECAL SP hit for recoil electron
    auto ecal_sp_hits{event.getCollection<ldmx::SimTrackerHit>(
        "EcalScoringPlaneHits", sp_pass_name_)};
    float pmax = 0;
    for (ldmx::SimTrackerHit &sp_hit : ecal_sp_hits) {
      ldmx::SimSpecialID hit_id(sp_hit.getID());
      auto ecal_sp_momentum = sp_hit.getMomentum();
      auto ecal_sp_position = sp_hit.getPosition();
      if (hit_id.plane() != 31 || ecal_sp_momentum[2] <= 0) continue;
 
      if (sp_hit.getTrackID() == recoil_track_id) {
        // A*A is faster than pow(A,2)
        if (sqrt((ecal_sp_momentum[0] * ecal_sp_momentum[0]) +
                 (ecal_sp_momentum[1] * ecal_sp_momentum[1]) +
                 (ecal_sp_momentum[2] * ecal_sp_momentum[2])) > pmax) {
          recoil_p = {static_cast<float>(ecal_sp_momentum[0]),
                      static_cast<float>(ecal_sp_momentum[1]),
                      static_cast<float>(ecal_sp_momentum[2])};
          recoil_pos = {(ecal_sp_position[0]), (ecal_sp_position[1]),
                        (ecal_sp_position[2])};
          pmax = sqrt(recoil_p[0] * recoil_p[0] + recoil_p[1] * recoil_p[1] +
                      recoil_p[2] * recoil_p[2]);
        }
      }
    }
 
    // Find target SP hit for recoil electron
    if (event.exists("TargetScoringPlaneHits", sp_pass_name_)) {
      std::vector<ldmx::SimTrackerHit> target_sp_hits =
          event.getCollection<ldmx::SimTrackerHit>("TargetScoringPlaneHits",
                                                   sp_pass_name_);
      pmax = 0;
      for (ldmx::SimTrackerHit &sp_hit : target_sp_hits) {
        ldmx::SimSpecialID hit_id(sp_hit.getID());
        auto target_sp_momentum = sp_hit.getMomentum();
        auto target_sp_position = sp_hit.getPosition();
        if (hit_id.plane() != 1 || target_sp_momentum[2] <= 0) continue;
 
        if (sp_hit.getTrackID() == recoil_track_id) {
          if (sqrt((target_sp_momentum[0] * target_sp_momentum[0]) +
                   (target_sp_momentum[1] * target_sp_momentum[1]) +
                   (target_sp_momentum[2] * target_sp_momentum[2])) > pmax) {
            recoil_p_at_target = {static_cast<float>(target_sp_momentum[0]),
                                  static_cast<float>(target_sp_momentum[1]),
                                  static_cast<float>(target_sp_momentum[2])};
            recoil_pos_at_target = {target_sp_position[0],
                                    target_sp_position[1],
                                    target_sp_position[2]};
            // (A*A) is faster than pow(A,2)
            pmax = sqrt((recoil_p_at_target[0] * recoil_p_at_target[0]) +
                        (recoil_p_at_target[1] * recoil_p_at_target[1]) +
                        (recoil_p_at_target[2] * recoil_p_at_target[2]));
          }
        }
      }  // end loop on target SP hits_
    }  // end condition on target SP
  }  // end condition on ecal SP
 
  // Get recoil_pos using recoil tracking
  bool fiducial_in_tracker{false};
  if (recoil_from_tracking_) {
    ldmx_log(trace) << "  Get recoil tracks collection";
 
    // Get the recoil track collection
    auto recoil_tracks{
        event.getCollection<ldmx::Track>(track_collection_, track_pass_name_)};
 
    ldmx_log(trace) << "  Propagate the recoil ele to the ECAL";
    ldmx::TrackStateType ts_type = ldmx::TrackStateType::AtECAL;
    auto recoil_track_states_ecal =
        ecal::trackProp(recoil_tracks, ts_type, "ecal");
    ldmx_log(trace) << "  Propagate the recoil ele to the Target";
    ldmx::TrackStateType ts_type_target = ldmx::TrackStateType::AtTarget;
    auto recoil_track_states_target =
        ecal::trackProp(recoil_tracks, ts_type_target, "target");
 
    ldmx_log(trace) << "  Set recoil_pos and recoil_p";
    // Redefining recoil_pos now to come from the track state
    // track_state_loc0 is recoil_pos[0] and track_state_loc1 is recoil_pos[1]
    if (!recoil_track_states_ecal.empty()) {
      fiducial_in_tracker = true;
      recoil_pos = {recoil_track_states_ecal[0], recoil_track_states_ecal[1],
                    recoil_track_states_ecal[2]};
      recoil_p = {(recoil_track_states_ecal[3]), (recoil_track_states_ecal[4]),
                  (recoil_track_states_ecal[5])};
    } else {
      ldmx_log(trace) << "  No recoil track at ECAL";
      fiducial_in_tracker = false;
    }
    ldmx_log(debug) << "  Set recoil_p = (" << recoil_p[0] << ", "
                    << recoil_p[1] << ", " << recoil_p[2]
                    << ") and recoil_pos = (" << recoil_pos[0] << ", "
                    << recoil_pos[1] << ", " << recoil_pos[2] << ")";
 
    // Repeat the above but now for the taget states
    if (!recoil_track_states_target.empty()) {
      recoil_pos_at_target = {(recoil_track_states_target[0]),
                              (recoil_track_states_target[1]),
                              (recoil_track_states_target[2])};
      recoil_p_at_target = {recoil_track_states_target[3],
                            recoil_track_states_target[4],
                            recoil_track_states_target[5]};
    }
    ldmx_log(debug) << "  Set recoil_p_at_target = (" << recoil_p_at_target[0]
                    << ", " << recoil_p_at_target[1] << ", "
                    << recoil_p_at_target[2] << ") and recoil_pos_at_target = ("
                    << recoil_pos_at_target[0] << ", "
                    << recoil_pos_at_target[1] << ", "
                    << recoil_pos_at_target[2] << ")";
  }  // condition to do recoil information from tracking
 
  ldmx_log(trace) << "   Get projected trajectories for electron and photon";
 
  auto recoil_electron = std::chrono::high_resolution_clock::now();
  profiling_map_["recoil_electron"] +=
      std::chrono::duration<float, std::milli>(recoil_electron - setup).count();
 
  // Get projected trajectories for electron and photon
  std::vector<XYCoords> ele_trajectory, photon_trajectory,
      ele_trajectory_at_target;
  // Require that z_-momentum is positive (which will also exclude the default
  // initializaton) Require that the positions are not the default initializaton
  if ((recoil_p[2] > 0.) && (recoil_p_at_target[2] > 0.) &&
      (recoil_pos[0] != -9999.) && (recoil_pos_at_target[0] != -9999.)) {
    ele_trajectory = getTrajectory(recoil_p, recoil_pos);
    ele_trajectory_at_target =
        getTrajectory(recoil_p_at_target, recoil_pos_at_target);
    // Get the photon projection. This does not require that the photon exists
    // tho
    std::array<float, 3> photon_proj_momentum = {
        -recoil_p_at_target[0], -recoil_p_at_target[1],
        beam_energy_mev_ - recoil_p_at_target[2]};
    photon_trajectory =
        getTrajectory(photon_proj_momentum, recoil_pos_at_target);
  } else {
    ldmx_log(trace) << "Ele / photon trajectory cannot be determined, pZ = "
                    << recoil_p[2] << " pZAtTarget = " << recoil_p_at_target[2]
                    << " X = " << recoil_pos[0]
                    << " XAtTarget = " << recoil_pos_at_target[0];
  }
 
  float recoil_p_mag = (recoil_p[2] > 0.) ? sqrt((recoil_p[0] * recoil_p[0]) +
                                                 (recoil_p[1] * recoil_p[1]) +
                                                 (recoil_p[2] * recoil_p[2]))
                                          : -1.0;
  float recoil_theta =
      recoil_p_mag > 0 ? acos(recoil_p[2] / recoil_p_mag) * 180.0 / M_PI : -1.0;
 
  ldmx_log(trace) << "   Build Radii of containment (ROC)";
 
  auto trajectories = std::chrono::high_resolution_clock::now();
  profiling_map_["trajectories"] +=
      std::chrono::duration<float, std::milli>(trajectories - recoil_electron)
          .count();
 
  // Use the appropriate containment radii for the recoil electron
  std::vector<float> roc_values_bin_0(roc_range_values_[0].begin() + 4,
                                      roc_range_values_[0].end());
  std::vector<float> ele_radii = roc_values_bin_0;
  float theta_min, theta_max, p_min, p_max;
  bool inrange;
 
  for (int i = 0; i < roc_range_values_.size(); i++) {
    theta_min = roc_range_values_[i][0];
    theta_max = roc_range_values_[i][1];
    p_min = roc_range_values_[i][2];
    p_max = roc_range_values_[i][3];
    inrange = true;
 
    if (theta_min != -1.0) {
      inrange = inrange && (recoil_theta >= theta_min);
    }
    if (theta_max != -1.0) {
      inrange = inrange && (recoil_theta < theta_max);
    }
    if (p_min != -1.0) {
      inrange = inrange && (recoil_p_mag >= p_min);
    }
    if (p_max != -1.0) {
      inrange = inrange && (recoil_p_mag < p_max);
    }
    if (inrange) {
      std::vector<float> roc_values_bini(roc_range_values_[i].begin() + 4,
                                         roc_range_values_[i].end());
      ele_radii = roc_values_bini;
    }
  }
  // Use default RoC bin for photon
  std::vector<float> photon_radii = roc_values_bin_0;
 
  auto roc_var = std::chrono::high_resolution_clock::now();
  profiling_map_["roc_var"] +=
      std::chrono::duration<float, std::milli>(roc_var - trajectories).count();
 
  // Get the collection of digitized Ecal hits_ from the event.
  const std::vector<ldmx::EcalHit> ecal_rec_hits =
      event.getCollection<ldmx::EcalHit>(rec_coll_name_, rec_pass_name_);
 
  ldmx::EcalID global_centroid =
      getShowerCentroidIdAndRms(ecal_rec_hits, shower_rms_);
  /* ~~ Fill the hit map ~~ O(n)  */
  fillHitMap(ecal_rec_hits, cell_map_);
  bool do_tight = true;
  /* ~~ Fill the isolated hit maps ~~ O(n)  */
  fillIsolatedHitMap(ecal_rec_hits, global_centroid, cell_map_,
                     cell_map_tight_iso_, do_tight);
 
  auto fill_hitmaps = std::chrono::high_resolution_clock::now();
  profiling_map_["fill_hitmaps"] +=
      std::chrono::duration<float, std::milli>(fill_hitmaps - roc_var).count();
 
  // Loop over the hits_ from the event to calculate the rest of the important
  // quantities
 
  float w_avg_layer_hit = 0;
  float x_mean = 0;
  float y_mean = 0;
 
  // Containment variables
  unsigned int n_regions = 5;
  std::vector<float> electron_containment_energy(n_regions, 0.0);
  std::vector<float> photon_containment_energy(n_regions, 0.0);
  std::vector<float> outside_containment_energy(n_regions, 0.0);
  std::vector<int> outside_containment_n_hits(n_regions, 0);
  std::vector<float> outside_containment_x_mean(n_regions, 0.0);
  std::vector<float> outside_containment_y_mean(n_regions, 0.0);
  std::vector<float> outside_containment_x_std(n_regions, 0.0);
  std::vector<float> outside_containment_y_std(n_regions, 0.0);
  // Longitudinal segmentation
  std::vector<int> seg_layers = {0, 6, 17, 32};
  unsigned int n_segments = seg_layers.size() - 1;
  std::vector<float> energy_seg(n_segments, 0.0);
  std::vector<float> x_mean_seg(n_segments, 0.0);
  std::vector<float> x_std_seg(n_segments, 0.0);
  std::vector<float> y_mean_seg(n_segments, 0.0);
  std::vector<float> y_std_seg(n_segments, 0.0);
  std::vector<float> layer_mean_seg(n_segments, 0.0);
  std::vector<float> layer_std_seg(n_segments, 0.0);
  std::vector<std::vector<float>> e_cont_energy(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> e_cont_x_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> e_cont_y_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> g_cont_energy(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<int>> g_cont_n_hits(n_regions,
                                              std::vector<int>(n_segments, 0));
  std::vector<std::vector<float>> g_cont_x_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> g_cont_y_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_energy(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<int>> o_cont_n_hits(n_regions,
                                              std::vector<int>(n_segments, 0));
  std::vector<std::vector<float>> o_cont_x_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_y_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_x_std(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_y_std(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_layer_mean(
      n_regions, std::vector<float>(n_segments, 0.0));
  std::vector<std::vector<float>> o_cont_layer_std(
      n_regions, std::vector<float>(n_segments, 0.0));
 
  auto containment_var = std::chrono::high_resolution_clock::now();
  profiling_map_["containment_var"] +=
      std::chrono::duration<float, std::milli>(containment_var - fill_hitmaps)
          .count();
 
  // MIP tracking:  vector of hits_ to be used in the MIP tracking algorithm.
  // All hits_ inside the electron ROC (or all hits_ in the ECal if the event is
  // missing an electron) will be included.
  std::vector<ldmx::HitData> tracking_hit_list;
 
  ldmx_log(trace)
      << "   Loop over the hits_ from the event to calculate the BDT features";
 
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    // Layer-wise quantities
    ldmx::EcalID id(hit.getID());
    ecal_layer_edep_raw_[id.layer()] =
        ecal_layer_edep_raw_[id.layer()] + hit.getEnergy();
    if (id.layer() >= 20) ecal_back_energy_ += hit.getEnergy();
    if (max_cell_dep_ < hit.getEnergy()) max_cell_dep_ = hit.getEnergy();
    if (hit.getEnergy() <= 0) {
      ldmx_log(fatal)
          << "ECal hit has negative or zero energy, this should never happen, "
             "check the threshold settings in HgcrocEmulator";
      continue;
    }
    n_readout_hits_++;
    ecal_layer_edep_readout_[id.layer()] += hit.getEnergy();
    ecal_layer_time_[id.layer()] += (hit.getEnergy()) * hit.getTime();
    auto [rechit_x, rechit_y, rechit_z] = geometry_->getPosition(id);
    x_mean += rechit_x * hit.getEnergy();
    y_mean += rechit_y * hit.getEnergy();
    avg_layer_hit_ += id.layer();
    w_avg_layer_hit += id.layer() * hit.getEnergy();
    if (deepest_layer_hit_ < id.layer()) {
      deepest_layer_hit_ = id.layer();
    }
    XYCoords xy_pair = std::make_pair(rechit_x, rechit_y);
    float distance_ele_trajectory =
        ele_trajectory.size()
            ? sqrt((xy_pair.first - ele_trajectory[id.layer()].first) *
                       (xy_pair.first - ele_trajectory[id.layer()].first) +
                   (xy_pair.second - ele_trajectory[id.layer()].second) *
                       (xy_pair.second - ele_trajectory[id.layer()].second))
            : -1.0;
    float distance_photon_trajectory =
        photon_trajectory.size()
            ? sqrt((xy_pair.first - photon_trajectory[id.layer()].first) *
                       (xy_pair.first - photon_trajectory[id.layer()].first) +
                   (xy_pair.second - photon_trajectory[id.layer()].second) *
                       (xy_pair.second - photon_trajectory[id.layer()].second))
            : -1.0;
 
    // Decide which longitudinal segment the hit is in and add to sums
    for (unsigned int iseg = 0; iseg < n_segments; iseg++) {
      if (id.layer() >= seg_layers[iseg] &&
          id.layer() <= seg_layers[iseg + 1] - 1) {
        energy_seg[iseg] += hit.getEnergy();
        x_mean_seg[iseg] += xy_pair.first * hit.getEnergy();
        y_mean_seg[iseg] += xy_pair.second * hit.getEnergy();
        layer_mean_seg[iseg] += id.layer() * hit.getEnergy();
 
        // Decide which containment region the hit is in and add to sums
        for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
          if (distance_ele_trajectory >= ireg * ele_radii[id.layer()] &&
              distance_ele_trajectory < (ireg + 1) * ele_radii[id.layer()]) {
            e_cont_energy[ireg][iseg] += hit.getEnergy();
            e_cont_x_mean[ireg][iseg] += xy_pair.first * hit.getEnergy();
            e_cont_y_mean[ireg][iseg] += xy_pair.second * hit.getEnergy();
          }
          if (distance_photon_trajectory >= ireg * photon_radii[id.layer()] &&
              distance_photon_trajectory <
                  (ireg + 1) * photon_radii[id.layer()]) {
            g_cont_energy[ireg][iseg] += hit.getEnergy();
            g_cont_n_hits[ireg][iseg] += 1;
            g_cont_x_mean[ireg][iseg] += xy_pair.first * hit.getEnergy();
            g_cont_y_mean[ireg][iseg] += xy_pair.second * hit.getEnergy();
          }
          if (distance_ele_trajectory > (ireg + 1) * ele_radii[id.layer()] &&
              distance_photon_trajectory >
                  (ireg + 1) * photon_radii[id.layer()]) {
            o_cont_energy[ireg][iseg] += hit.getEnergy();
            o_cont_n_hits[ireg][iseg] += 1;
            o_cont_x_mean[ireg][iseg] += xy_pair.first * hit.getEnergy();
            o_cont_y_mean[ireg][iseg] += xy_pair.second * hit.getEnergy();
            o_cont_layer_mean[ireg][iseg] += id.layer() * hit.getEnergy();
          }
        }
      }
    }
 
    // Decide which containment region the hit is in and add to sums
    for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
      if (distance_ele_trajectory >= ireg * ele_radii[id.layer()] &&
          distance_ele_trajectory < (ireg + 1) * ele_radii[id.layer()])
        electron_containment_energy[ireg] += hit.getEnergy();
      if (distance_photon_trajectory >= ireg * photon_radii[id.layer()] &&
          distance_photon_trajectory < (ireg + 1) * photon_radii[id.layer()])
        photon_containment_energy[ireg] += hit.getEnergy();
      if (distance_ele_trajectory > (ireg + 1) * ele_radii[id.layer()] &&
          distance_photon_trajectory > (ireg + 1) * photon_radii[id.layer()]) {
        outside_containment_energy[ireg] += hit.getEnergy();
        outside_containment_n_hits[ireg] += 1;
        outside_containment_x_mean[ireg] += xy_pair.first * hit.getEnergy();
        outside_containment_y_mean[ireg] += xy_pair.second * hit.getEnergy();
      }
    }
 
    // MIP tracking:  Decide whether hit should be added to tracking_hit_list
    // If inside e- RoC or if etraj is missing, use the hit for tracking:
    if (distance_ele_trajectory >= ele_radii[id.layer()] ||
        distance_ele_trajectory == -1.0) {
      ldmx::HitData hd;
      hd.pos_ = ROOT::Math::XYZVector(xy_pair.first, xy_pair.second,
                                      geometry_->getZPosition(id.layer()));
      hd.layer_ = id.layer();
      tracking_hit_list.push_back(hd);
    }
  }  // end loop over rechits
 
  n_tracking_hits_ = tracking_hit_list.size();
 
  for (const auto &[id, energy] : cell_map_tight_iso_) {
    if (energy > 0) summed_tight_iso_ += energy;
  }
 
  for (int i_layer = 0; i_layer < ecal_layer_edep_readout_.size(); i_layer++) {
    ecal_layer_time_[i_layer] =
        ecal_layer_time_[i_layer] / ecal_layer_edep_readout_[i_layer];
    summed_det_ += ecal_layer_edep_readout_[i_layer];
  }
 
  if (n_readout_hits_ > 0) {
    avg_layer_hit_ /= n_readout_hits_;
    w_avg_layer_hit /= summed_det_;
    x_mean /= summed_det_;
    y_mean /= summed_det_;
  } else {
    w_avg_layer_hit = 0;
    avg_layer_hit_ = 0;
    x_mean = 0;
    y_mean = 0;
  }
 
  // If necessary, quotient out the total energy from the means
  for (unsigned int iseg = 0; iseg < n_segments; iseg++) {
    if (energy_seg[iseg] > 0) {
      x_mean_seg[iseg] /= energy_seg[iseg];
      y_mean_seg[iseg] /= energy_seg[iseg];
      layer_mean_seg[iseg] /= energy_seg[iseg];
    }
    for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
      if (e_cont_energy[ireg][iseg] > 0) {
        e_cont_x_mean[ireg][iseg] /= e_cont_energy[ireg][iseg];
        e_cont_y_mean[ireg][iseg] /= e_cont_energy[ireg][iseg];
      }
      if (g_cont_energy[ireg][iseg] > 0) {
        g_cont_x_mean[ireg][iseg] /= g_cont_energy[ireg][iseg];
        g_cont_y_mean[ireg][iseg] /= g_cont_energy[ireg][iseg];
      }
      if (o_cont_energy[ireg][iseg] > 0) {
        o_cont_x_mean[ireg][iseg] /= o_cont_energy[ireg][iseg];
        o_cont_y_mean[ireg][iseg] /= o_cont_energy[ireg][iseg];
        o_cont_layer_mean[ireg][iseg] /= o_cont_energy[ireg][iseg];
      }
    }
  }
 
  for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
    if (outside_containment_energy[ireg] > 0) {
      outside_containment_x_mean[ireg] /= outside_containment_energy[ireg];
      outside_containment_y_mean[ireg] /= outside_containment_energy[ireg];
    }
  }
 
  // Loop over hits_ a second time to find the standard deviations.
  for (const ldmx::EcalHit &hit : ecal_rec_hits) {
    ldmx::EcalID id(hit.getID());
    auto [rechit_x, rechit_y, rechit_z] = geometry_->getPosition(id);
    if (hit.getEnergy() > 0) {
      x_std_ += pow((rechit_x - x_mean), 2) * hit.getEnergy();
      y_std_ += pow((rechit_y - y_mean), 2) * hit.getEnergy();
      std_layer_hit_ +=
          pow((id.layer() - w_avg_layer_hit), 2) * hit.getEnergy();
    }
    XYCoords xy_pair = std::make_pair(rechit_x, rechit_y);
    float distance_ele_trajectory =
        ele_trajectory.size()
            ? sqrt(pow((xy_pair.first - ele_trajectory[id.layer()].first), 2) +
                   pow((xy_pair.second - ele_trajectory[id.layer()].second), 2))
            : -1.0;
    float distance_photon_trajectory =
        photon_trajectory.size()
            ? sqrt(pow((xy_pair.first - photon_trajectory[id.layer()].first),
                       2) +
                   pow((xy_pair.second - photon_trajectory[id.layer()].second),
                       2))
            : -1.0;
 
    for (unsigned int iseg = 0; iseg < n_segments; iseg++) {
      if (id.layer() >= seg_layers[iseg] &&
          id.layer() <= seg_layers[iseg + 1] - 1) {
        x_std_seg[iseg] +=
            pow((xy_pair.first - x_mean_seg[iseg]), 2) * hit.getEnergy();
        y_std_seg[iseg] +=
            pow((xy_pair.second - y_mean_seg[iseg]), 2) * hit.getEnergy();
        layer_std_seg[iseg] +=
            pow((id.layer() - layer_mean_seg[iseg]), 2) * hit.getEnergy();
 
        for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
          if (distance_ele_trajectory > (ireg + 1) * ele_radii[id.layer()] &&
              distance_photon_trajectory >
                  (ireg + 1) * photon_radii[id.layer()]) {
            o_cont_x_std[ireg][iseg] +=
                pow((xy_pair.first - o_cont_x_mean[ireg][iseg]), 2) *
                hit.getEnergy();
            o_cont_y_std[ireg][iseg] +=
                pow((xy_pair.second - o_cont_y_mean[ireg][iseg]), 2) *
                hit.getEnergy();
            o_cont_layer_std[ireg][iseg] +=
                pow((id.layer() - o_cont_layer_mean[ireg][iseg]), 2) *
                hit.getEnergy();
          }
        }
      }
    }
 
    for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
      if (distance_ele_trajectory > (ireg + 1) * ele_radii[id.layer()] &&
          distance_photon_trajectory > (ireg + 1) * photon_radii[id.layer()]) {
        outside_containment_x_std[ireg] +=
            pow((xy_pair.first - outside_containment_x_mean[ireg]), 2) *
            hit.getEnergy();
        outside_containment_y_std[ireg] +=
            pow((xy_pair.second - outside_containment_y_mean[ireg]), 2) *
            hit.getEnergy();
      }
    }
  }  // end loop over rechits (2nd time)
 
  if (n_readout_hits_ > 0) {
    x_std_ = sqrt(x_std_ / summed_det_);
    y_std_ = sqrt(y_std_ / summed_det_);
    std_layer_hit_ = sqrt(std_layer_hit_ / summed_det_);
  } else {
    x_std_ = 0;
    y_std_ = 0;
    std_layer_hit_ = 0;
  }
 
  // Quotient out the total energies from the standard deviations if possible
  // and take root
  for (unsigned int iseg = 0; iseg < n_segments; iseg++) {
    if (energy_seg[iseg] > 0) {
      x_std_seg[iseg] = sqrt(x_std_seg[iseg] / energy_seg[iseg]);
      y_std_seg[iseg] = sqrt(y_std_seg[iseg] / energy_seg[iseg]);
      layer_std_seg[iseg] = sqrt(layer_std_seg[iseg] / energy_seg[iseg]);
    }
    for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
      if (o_cont_energy[ireg][iseg] > 0) {
        o_cont_x_std[ireg][iseg] =
            sqrt(o_cont_x_std[ireg][iseg] / o_cont_energy[ireg][iseg]);
        o_cont_y_std[ireg][iseg] =
            sqrt(o_cont_y_std[ireg][iseg] / o_cont_energy[ireg][iseg]);
        o_cont_layer_std[ireg][iseg] =
            sqrt(o_cont_layer_std[ireg][iseg] / o_cont_energy[ireg][iseg]);
      }
    }
  }
 
  for (unsigned int ireg = 0; ireg < n_regions; ireg++) {
    if (outside_containment_energy[ireg] > 0) {
      outside_containment_x_std[ireg] = sqrt(outside_containment_x_std[ireg] /
                                             outside_containment_energy[ireg]);
      outside_containment_y_std[ireg] = sqrt(outside_containment_y_std[ireg] /
                                             outside_containment_energy[ireg]);
    }
  }
 
  ldmx_log(trace) << "   Find out if the recoil electron is fiducial";
 
  // Find the location of the recoil electron
  // Ecal face is not where the first layer_ starts,
  // defined in DetDescr/python/EcalGeometry.py
  const float dz_from_face =
      (geometry_->getZPosition(0)) - (geometry_->getEcalFrontZ());
  float drifted_recoil_x{-9999.};
  float drifted_recoil_y{-9999.};
  if (recoil_p[2] > 0.) {
    ldmx_log(trace) << "   Recoil electron pX = " << recoil_p[0]
                    << " pY = " << recoil_p[1] << " pZ = " << recoil_p[2];
    ldmx_log(trace) << "   Recoil electron PosX = " << recoil_pos[0]
                    << " PosY = " << recoil_pos[1]
                    << " PosZ = " << recoil_pos[2];
    drifted_recoil_x =
        (dz_from_face * (recoil_p[0] / recoil_p[2])) + recoil_pos[0];
    drifted_recoil_y =
        (dz_from_face * (recoil_p[1] / recoil_p[2])) + recoil_pos[1];
  }
  const int recoil_layer_index = 0;
 
  // Check if it's fiducial
  bool inside_ecal_cell{false};
  // At module_ level
  const auto ecal_id = geometry_->getID(drifted_recoil_x, drifted_recoil_y,
                                        recoil_layer_index, true);
  if (!ecal_id.null()) {
    // If fiducial at module_ level, check at cell level
    const auto cell_id =
        geometry_->getID(drifted_recoil_x, drifted_recoil_y, recoil_layer_index,
                         ecal_id.getModuleID(), true);
    if (!cell_id.null()) {
      inside_ecal_cell = true;
    }
  }
 
  ldmx_log(info) << "   Is this event is fiducial in ECAL? "
                 << inside_ecal_cell;
  ROOT::Math::XYZVector e_traj_start;
  ROOT::Math::XYZVector e_traj_end;
  ROOT::Math::XYZVector e_traj_target_start;
  ROOT::Math::XYZVector e_traj_target_end;
  ROOT::Math::XYZVector p_traj_start;
  ROOT::Math::XYZVector p_traj_end;
  if (!ele_trajectory.empty() && !photon_trajectory.empty()) {
    // Create TVector3s marking the start and endpoints of each projected
    // trajectory
    e_traj_start.SetXYZ(ele_trajectory[0].first, ele_trajectory[0].second,
                        geometry_->getZPosition(0));
    e_traj_end.SetXYZ(ele_trajectory[(n_ecal_layers_ - 1)].first,
                      ele_trajectory[(n_ecal_layers_ - 1)].second,
                      geometry_->getZPosition((n_ecal_layers_ - 1)));
    p_traj_start.SetXYZ(photon_trajectory[0].first, photon_trajectory[0].second,
                        geometry_->getZPosition(0));
    p_traj_end.SetXYZ(photon_trajectory[(n_ecal_layers_ - 1)].first,
                      photon_trajectory[(n_ecal_layers_ - 1)].second,
                      geometry_->getZPosition((n_ecal_layers_ - 1)));
 
    ROOT::Math::XYZVector evec = e_traj_end - e_traj_start;
    ROOT::Math::XYZVector e_norm = evec.Unit();
    ROOT::Math::XYZVector pvec = p_traj_end - p_traj_start;
    ROOT::Math::XYZVector p_norm = pvec.Unit();
 
    // Calculate the angle between the projected electron at Ecal and the photon
    // (at target)
    ep_dot_ = e_norm.Dot(p_norm);
    ep_ang_ = acos(ep_dot_) * 180.0 / M_PI;
    ep_sep_ = sqrt(pow(e_traj_start.X() - p_traj_start.X(), 2) +
                   pow(e_traj_start.Y() - p_traj_start.Y(), 2));
    // Calculate the electron trajectory with positions and momentum as measured
    // at the target
    if (!ele_trajectory_at_target.empty()) {
      e_traj_target_start.SetXYZ(recoil_pos_at_target[0],
                                 recoil_pos_at_target[1],
                                 static_cast<float>(0.0));
      e_traj_target_end.SetXYZ(ele_trajectory_at_target[(0)].first,
                               ele_trajectory_at_target[(0)].second,
                               geometry_->getZPosition(0));
      // Now calculate the ep angle at the target
      ROOT::Math::XYZVector evec_target =
          e_traj_target_end - e_traj_target_start;
      ROOT::Math::XYZVector e_norm_target = evec_target.Unit();
      ep_dot_at_target_ = e_norm_target.Dot(p_norm);
      ep_ang_at_target_ = acos(ep_dot_at_target_) * 180.0 / M_PI;
    }
    ldmx_log(trace) << "   Electron trajectory calculated";
  } else {
    // Electron trajectory is missing, so all hits_ in the Ecal are fair game.
    // Pick e/ptraj so that they won't restrict the tracking algorithm (place
    // them far outside the ECal).
    ldmx_log(trace) << "   Electron trajectory is missing";
    e_traj_start = ROOT::Math::XYZVector(999, 999, geometry_->getZPosition(0));
    e_traj_end = ROOT::Math::XYZVector(
        999, 999, geometry_->getZPosition((n_ecal_layers_ - 1)));
    p_traj_start =
        ROOT::Math::XYZVector(1000, 1000, geometry_->getZPosition(0));
    p_traj_end = ROOT::Math::XYZVector(
        1000, 1000, geometry_->getZPosition((n_ecal_layers_ - 1)));
    /*ensures event will not be vetoed by angle/separation cut */
    ep_ang_ = 999.;
    ep_ang_at_target_ = 999.;
    ep_sep_ = 999.;
    ep_dot_ = 999.;
    ep_dot_at_target_ = 999.;
  }
  // Took out MIP tracking here (starting at near photon hits_)
  ldmx::EcalTrajectoryInfo ecal_mip_collection;
  ldmx_log(trace) << "   Set up input info  for MIP tracking";
  ecal_mip_collection.setEleTrajectory(ele_trajectory);
  ecal_mip_collection.setPhotonTrajectory(photon_trajectory);
  ecal_mip_collection.setTrackingHitList(tracking_hit_list);
  event.add("EcalTrajectoryInfo", ecal_mip_collection);
 
  auto mip_tracking_setup = std::chrono::high_resolution_clock::now();
  profiling_map_["mip_tracking_setup"] +=
      std::chrono::duration<double, std::milli>(mip_tracking_setup - start)
          .count();
  result.setVariables(
      n_readout_hits_, deepest_layer_hit_, n_tracking_hits_, summed_det_,
      summed_tight_iso_, max_cell_dep_, shower_rms_, x_std_, y_std_,
      avg_layer_hit_, std_layer_hit_, ecal_back_energy_, ep_ang_,
      ep_ang_at_target_, ep_sep_, ep_dot_, ep_dot_at_target_,
      electron_containment_energy, photon_containment_energy,
      outside_containment_energy, outside_containment_n_hits,
      outside_containment_x_std, outside_containment_y_std, energy_seg,
      x_mean_seg, y_mean_seg, x_std_seg, y_std_seg, layer_mean_seg,
      layer_std_seg, e_cont_energy, e_cont_x_mean, e_cont_y_mean, g_cont_energy,
      g_cont_n_hits, g_cont_x_mean, g_cont_y_mean, o_cont_energy, o_cont_n_hits,
      o_cont_x_mean, o_cont_y_mean, o_cont_x_std, o_cont_y_std,
      o_cont_layer_mean, o_cont_layer_std, ecal_layer_edep_readout_, recoil_p,
      recoil_pos);
 
  auto set_variables = std::chrono::high_resolution_clock::now();
  profiling_map_["set_variables"] += std::chrono::duration<double, std::milli>(
                                         set_variables - mip_tracking_setup)
                                         .count();
  buildBDTFeatureVector(result);
  ldmx::ort::FloatArrays inputs({bdt_features_});
  float pred =
      rt_->run({feature_list_name_}, inputs, {"probabilities"})[0].at(1);
  ldmx_log(info) << " BDT was ran, score is " << pred;
  // Other considerations were (n_linreg_tracks_ == 0)  && (first_near_ph_layer_
  // >= 6)
  // && (ep_ang_ > 3.0 && ep_ang_ < 900 || ep_sep_ > 10.0 && ep_sep_ < 900)
  result.setVetoResult(pred > bdt_cut_val_);
  result.setDiscValue(pred);
  ldmx_log(info) << " The pred > bdtCutVal = " << (pred > bdt_cut_val_);
 
  // Persist in the event if the recoil ele is fiducial
  result.setFiducial(inside_ecal_cell);
  result.setTrackingFiducial(fiducial_in_tracker);
 
  // If the event passes the veto, keep it. Otherwise,
  // drop the event.
  if (!inverse_skim_) {
    if (result.passesVeto()) {
      setStorageHint(framework::HINT_SHOULD_KEEP);
    } else {
      setStorageHint(framework::HINT_SHOULD_DROP);
    }
  } else {
    // Invert the skimming logic
    if (result.passesVeto()) {
      setStorageHint(framework::HINT_SHOULD_DROP);
    } else {
      setStorageHint(framework::HINT_SHOULD_KEEP);
    }
  }
 
  event.add(collection_name_, result);
 
  auto bdt_variables = std::chrono::high_resolution_clock::now();
  profiling_map_["bdt_variables"] +=
      std::chrono::duration<float, std::milli>(bdt_variables - set_variables)
          .count();
 
  auto end = std::chrono::high_resolution_clock::now();
  auto time_diff = end - start;
  processing_time_ +=
      std::chrono::duration<float, std::milli>(time_diff).count();
}

References buildBDTFeatureVector(), collection_name_, ep_ang_, ep_ang_at_target_, ep_dot_, ep_dot_at_target_, ep_sep_, framework::Event::exists(), fillHitMap(), geometry_, framework::EventProcessor::getCondition(), ldmx::EcalGeometry::getEcalFrontZ(), ldmx::EcalGeometry::getID(), ldmx::EcalGeometry::getPosition(), ldmx::EcalGeometry::getZPosition(), framework::HINT_SHOULD_DROP, framework::HINT_SHOULD_KEEP, n_tracking_hits_, ldmx::EcalVetoResult::passesVeto(), ldmx::SimSpecialID::plane(), framework::EventProcessor::setStorageHint(), ldmx::EcalVetoResult::setVariables(), and ecal::trackProp().

Member Data Documentation

avg_layer_hit_

float ecal::EcalVetoProcessor::avg_layer_hit_ {0}

private

Definition at line 125 of file EcalVetoProcessor.h.

{0};

bdt_cut_val_

float ecal::EcalVetoProcessor::bdt_cut_val_ {0}

private

Definition at line 146 of file EcalVetoProcessor.h.

{0};

bdt_features_

std::vector<float> ecal::EcalVetoProcessor::bdt_features_

private

Definition at line 152 of file EcalVetoProcessor.h.

bdt_file_name_

std::string ecal::EcalVetoProcessor::bdt_file_name_

private

Definition at line 150 of file EcalVetoProcessor.h.

beam_energy_mev_

float ecal::EcalVetoProcessor::beam_energy_mev_ {0}

private

Definition at line 148 of file EcalVetoProcessor.h.

{0};

cell_map_

std::map<ldmx::EcalID, float> ecal::EcalVetoProcessor::cell_map_

private

Definition at line 106 of file EcalVetoProcessor.h.

cell_map_tight_iso_

std::map<ldmx::EcalID, float> ecal::EcalVetoProcessor::cell_map_tight_iso_

private

Definition at line 107 of file EcalVetoProcessor.h.

collection_name_

std::string ecal::EcalVetoProcessor::collection_name_ {"EcalVeto"}

private

Name of the collection which will containt the results.

Definition at line 167 of file EcalVetoProcessor.h.

{"EcalVeto"};

Referenced by configure(), and produce().

deepest_layer_hit_

int ecal::EcalVetoProcessor::deepest_layer_hit_ {0}

private

Definition at line 117 of file EcalVetoProcessor.h.

{0};

ecal_back_energy_

float ecal::EcalVetoProcessor::ecal_back_energy_ {0}

private

Definition at line 127 of file EcalVetoProcessor.h.

{0};

ecal_layer_edep_raw_

std::vector<float> ecal::EcalVetoProcessor::ecal_layer_edep_raw_

private

Definition at line 109 of file EcalVetoProcessor.h.

ecal_layer_edep_readout_

std::vector<float> ecal::EcalVetoProcessor::ecal_layer_edep_readout_

private

Definition at line 110 of file EcalVetoProcessor.h.

ecal_layer_time_

std::vector<float> ecal::EcalVetoProcessor::ecal_layer_time_

private

Definition at line 111 of file EcalVetoProcessor.h.

ep_ang_

float ecal::EcalVetoProcessor::ep_ang_ {0}

private

Angular separation between the projected photon and electron trajectories as projected at ECAL.

Definition at line 134 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

ep_ang_at_target_

float ecal::EcalVetoProcessor::ep_ang_at_target_ {0}

private

Angular separation between the projected photon and electron trajectories as at Target.

Definition at line 137 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

ep_dot_

float ecal::EcalVetoProcessor::ep_dot_ {0}

private

Dot product of the photon and electron momenta unit vectors at Ecal.

Definition at line 142 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

ep_dot_at_target_

float ecal::EcalVetoProcessor::ep_dot_at_target_ {0}

private

Dot product of the photon and electron momenta unit vectors at Target.

Definition at line 144 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

ep_sep_

float ecal::EcalVetoProcessor::ep_sep_ {0}

private

Distance between the projected photon and electron trajectories at the ECal face.

Definition at line 140 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

feature_list_name_

std::string ecal::EcalVetoProcessor::feature_list_name_

private

Definition at line 153 of file EcalVetoProcessor.h.

geometry_

const ldmx::EcalGeometry* ecal::EcalVetoProcessor::geometry_

private

handle to current geometry (to share with member functions)

Definition at line 172 of file EcalVetoProcessor.h.

Referenced by produce().

inverse_skim_

bool ecal::EcalVetoProcessor::inverse_skim_ {false}

private

Definition at line 164 of file EcalVetoProcessor.h.

{false};

max_cell_dep_

float ecal::EcalVetoProcessor::max_cell_dep_ {0}

private

Definition at line 121 of file EcalVetoProcessor.h.

{0};

n_ecal_layers_

int ecal::EcalVetoProcessor::n_ecal_layers_ {0}

private

Definition at line 115 of file EcalVetoProcessor.h.

{0};

n_readout_hits_

int ecal::EcalVetoProcessor::n_readout_hits_ {0}

private

Definition at line 116 of file EcalVetoProcessor.h.

{0};

n_tracking_hits_

int ecal::EcalVetoProcessor::n_tracking_hits_ {0}

private

Number of hits outside of the electron roc in the Ecal or if the electron trajectory is missing, all the hits in the Ecal.

Definition at line 131 of file EcalVetoProcessor.h.

{0};

Referenced by produce().

nevents_

int ecal::EcalVetoProcessor::nevents_ {0}

private

Definition at line 102 of file EcalVetoProcessor.h.

{0};

processing_time_

float ecal::EcalVetoProcessor::processing_time_ {0.}

private

Definition at line 103 of file EcalVetoProcessor.h.

{0.};

profiling_map_

std::map<std::string, float> ecal::EcalVetoProcessor::profiling_map_

private

Definition at line 105 of file EcalVetoProcessor.h.

rec_coll_name_

std::string ecal::EcalVetoProcessor::rec_coll_name_

private

Definition at line 158 of file EcalVetoProcessor.h.

rec_pass_name_

std::string ecal::EcalVetoProcessor::rec_pass_name_

private

Definition at line 157 of file EcalVetoProcessor.h.

recoil_from_tracking_

bool ecal::EcalVetoProcessor::recoil_from_tracking_

private

Definition at line 159 of file EcalVetoProcessor.h.

roc_file_name_

std::string ecal::EcalVetoProcessor::roc_file_name_

private

Definition at line 151 of file EcalVetoProcessor.h.

roc_range_values_

std::vector<std::vector<float> > ecal::EcalVetoProcessor::roc_range_values_

private

Definition at line 113 of file EcalVetoProcessor.h.

rt_

std::unique_ptr<ldmx::ort::ONNXRuntime> ecal::EcalVetoProcessor::rt_

private

Definition at line 169 of file EcalVetoProcessor.h.

shower_rms_

float ecal::EcalVetoProcessor::shower_rms_ {0}

private

Definition at line 122 of file EcalVetoProcessor.h.

{0};

sim_particles_passname_

std::string ecal::EcalVetoProcessor::sim_particles_passname_

private

Definition at line 163 of file EcalVetoProcessor.h.

sp_pass_name_

std::string ecal::EcalVetoProcessor::sp_pass_name_

private

Definition at line 156 of file EcalVetoProcessor.h.

std_layer_hit_

float ecal::EcalVetoProcessor::std_layer_hit_ {0}

private

Definition at line 126 of file EcalVetoProcessor.h.

{0};

summed_det_

float ecal::EcalVetoProcessor::summed_det_ {0}

private

Definition at line 119 of file EcalVetoProcessor.h.

{0};

summed_tight_iso_

float ecal::EcalVetoProcessor::summed_tight_iso_ {0}

private

Definition at line 120 of file EcalVetoProcessor.h.

{0};

track_collection_

std::string ecal::EcalVetoProcessor::track_collection_

private

Definition at line 161 of file EcalVetoProcessor.h.

track_pass_name_

std::string ecal::EcalVetoProcessor::track_pass_name_

private

Definition at line 160 of file EcalVetoProcessor.h.

x_std_

float ecal::EcalVetoProcessor::x_std_ {0}

private

Definition at line 123 of file EcalVetoProcessor.h.

{0};

y_std_

float ecal::EcalVetoProcessor::y_std_ {0}

private

Definition at line 124 of file EcalVetoProcessor.h.

{0};

---

The documentation for this class was generated from the following files:

• Ecal/include/Ecal/EcalVetoProcessor.h
• Ecal/src/Ecal/EcalVetoProcessor.cxx