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#include "Edm4hepWriterAnaElemTool.h"
#include "G4Event.hh"
#include "G4THitsCollection.hh"
#include "DD4hep/Detector.h"
#include "DD4hep/Plugins.h"
#include "DDG4/Geant4Converter.h"
#include "DDG4/Geant4Mapping.h"
#include "DDG4/Geant4HitCollection.h"
#include "DDG4/Geant4Data.h"
#include "DDG4/Geant4Hits.h"
DECLARE_COMPONENT(Edm4hepWriterAnaElemTool)
void
Edm4hepWriterAnaElemTool::BeginOfRunAction(const G4Run*) {
G4cout << "Begin Run of detector simultion..." << G4endl;
}
void
Edm4hepWriterAnaElemTool::EndOfRunAction(const G4Run*) {
G4cout << "End Run of detector simultion..." << G4endl;
}
void
Edm4hepWriterAnaElemTool::BeginOfEventAction(const G4Event* anEvent) {
msg() << "Event " << anEvent->GetEventID() << endmsg;
}
void
Edm4hepWriterAnaElemTool::EndOfEventAction(const G4Event* anEvent) {
auto mcCol = m_mcParCol.get();
msg() << "mcCol size: " << mcCol->size() << endmsg;
// save all data
// create collections.
auto trackercols = m_trackerCol.createAndPut();
auto calorimetercols = m_calorimeterCol.createAndPut();
auto calocontribcols = m_caloContribCol.createAndPut();
auto vxdcols = m_VXDCol.createAndPut();
auto ftdcols = m_FTDCol.createAndPut();
auto sitcols = m_SITCol.createAndPut();
auto tpccols = m_TPCCol.createAndPut();
auto setcols = m_SETCol.createAndPut();
// readout defined in DD4hep
auto lcdd = &(dd4hep::Detector::getInstance());
auto allReadouts = lcdd->readouts();
for (auto& readout : allReadouts) {
info() << "Readout " << readout.first << endmsg;
}
// retrieve the hit collections
G4HCofThisEvent* collections = anEvent->GetHCofThisEvent();
if (!collections) {
warning() << "No collections found. " << endmsg;
return;
}
int Ncol = collections->GetNumberOfCollections();
for (int icol = 0; icol < Ncol; ++icol) {
G4VHitsCollection* collect = collections->GetHC(icol);
if (!collect) {
warning() << "Collection iCol " << icol << " is missing" << endmsg;
continue;
}
size_t nhits = collect->GetSize();
info() << "Collection " << collect->GetName()
<< " #" << icol
<< " has " << nhits << " hits."
<< endmsg;
if (nhits==0) {
// just skip this collection.
continue;
}
edm4hep::SimTrackerHitCollection* tracker_col_ptr = nullptr;
edm4hep::SimCalorimeterHitCollection* calo_col_ptr = nullptr;
// the mapping between hit collection and the data handler
if (collect->GetName() == "VXDCollection") {
tracker_col_ptr = vxdcols;
} else if (collect->GetName() == "FTDCollection") {
tracker_col_ptr = ftdcols;
} else if (collect->GetName() == "SITCollection") {
tracker_col_ptr = sitcols;
} else if (collect->GetName() == "TPCCollection") {
tracker_col_ptr = tpccols;
} else if (collect->GetName() == "SETCollection") {
tracker_col_ptr = setcols;
} else if (collect->GetName() == "SETCollection") {
tracker_col_ptr = setcols;
} else if (collect->GetName() == "CaloHitsCollection") {
calo_col_ptr = calorimetercols;
} else {
warning() << "Unknown collection name: " << collect->GetName()
<< ". The SimTrackerCol will be used. " << endmsg;
tracker_col_ptr = trackercols;
}
// There are different types (new and old)
dd4hep::sim::Geant4HitCollection* coll = dynamic_cast<dd4hep::sim::Geant4HitCollection*>(collect);
if (coll) {
info() << " cast to dd4hep::sim::Geant4HitCollection. " << endmsg;
for(size_t i=0; i<nhits; ++i) {
dd4hep::sim::Geant4HitData* h = coll->hit(i);
dd4hep::sim::Geant4Tracker::Hit* trk_hit = dynamic_cast<dd4hep::sim::Geant4Tracker::Hit*>(h);
if ( 0 != trk_hit ) {
dd4hep::sim::Geant4HitData::Contribution& t = trk_hit->truth;
int trackID = t.trackID;
// t.trackID = m_truth->particleID(trackID);
}
// Geant4Calorimeter::Hit* cal_hit = dynamic_cast<Geant4Calorimeter::Hit*>(h);
// if ( 0 != cal_hit ) {
// Geant4HitData::Contributions& c = cal_hit->truth;
// for(Geant4HitData::Contributions::iterator j=c.begin(); j!=c.end(); ++j) {
// Geant4HitData::Contribution& t = *j;
// int trackID = t.trackID;
// // t.trackID = m_truth->particleID(trackID);
// }
// }
}
continue;
}
typedef G4THitsCollection<dd4hep::sim::Geant4Hit> HitCollection;
HitCollection* coll2 = dynamic_cast<HitCollection*>(collect);
if (coll2) {
info() << " cast to G4THitsCollection<dd4hep::sim::Geant4Hit>. " << endmsg;
int n_trk_hit = 0;
int n_cal_hit = 0;
for(size_t i=0; i<nhits; ++i) {
dd4hep::sim::Geant4Hit* h = dynamic_cast<dd4hep::sim::Geant4Hit*>(coll2->GetHit(i));
if (!h) {
warning() << "Failed to cast to dd4hep::sim::Geant4Hit. " << endmsg;
continue;
}
dd4hep::sim::Geant4TrackerHit* trk_hit = dynamic_cast<dd4hep::sim::Geant4TrackerHit*>(h);
if (trk_hit) {
++n_trk_hit;
// auto edm_trk_hit = trackercols->create();
auto edm_trk_hit = tracker_col_ptr->create();
edm_trk_hit.setCellID(trk_hit->cellID);
edm_trk_hit.setEDep(trk_hit->energyDeposit/CLHEP::GeV);
edm_trk_hit.setTime(trk_hit->truth.time/CLHEP::ns);
edm_trk_hit.setPathLength(trk_hit->length/CLHEP::mm);
// lc_hit->setMCParticle(lc_mcp);
double pos[3] = {trk_hit->position.x()/CLHEP::mm,
trk_hit->position.y()/CLHEP::mm,
trk_hit->position.z()/CLHEP::mm};
edm_trk_hit.setPosition(edm4hep::Vector3d(pos));
float mom[3] = {trk_hit->momentum.x()/CLHEP::GeV,
trk_hit->momentum.y()/CLHEP::GeV,
trk_hit->momentum.z()/CLHEP::GeV};
edm_trk_hit.setMomentum(edm4hep::Vector3f(mom));
}
dd4hep::sim::Geant4CalorimeterHit* cal_hit = dynamic_cast<dd4hep::sim::Geant4CalorimeterHit*>(h);
if (cal_hit) {
++n_cal_hit;
auto edm_calo_hit = calo_col_ptr->create();
edm_calo_hit.setCellID(cal_hit->cellID);
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float pos[3] = {cal_hit->position.x()/CLHEP::mm,
cal_hit->position.y()/CLHEP::mm,
cal_hit->position.z()/CLHEP::mm};
edm_calo_hit.setPosition(edm4hep::Vector3f(pos));
// contribution
typedef dd4hep::sim::Geant4CalorimeterHit::Contributions Contributions;
typedef dd4hep::sim::Geant4CalorimeterHit::Contribution Contribution;
for (Contributions::const_iterator j = cal_hit->truth.begin();
j != cal_hit->truth.end(); ++j) {
const Contribution& c = *j;
// The legacy Hit object does not contains positions of contributions.
// float contrib_pos[] = {float(c.x/mm), float(c.y/mm), float(c.z/mm)};
auto edm_calo_contrib = calocontribcols->create();
edm_calo_contrib.setPDG(c.pdgID);
edm_calo_contrib.setEnergy(c.deposit/CLHEP::GeV);
edm_calo_contrib.setTime(c.time/CLHEP::ns);
edm_calo_contrib.setStepPosition(edm4hep::Vector3f(pos));
edm_calo_contrib.setParticle(mcCol->at(0)); // todo
edm_calo_hit.addContribution(edm_calo_contrib);
}
}
}
info() << n_trk_hit << " hits cast to dd4hep::sim::Geant4TrackerHit. " << endmsg;
info() << n_cal_hit << " hits cast to dd4hep::sim::Geant4CalorimeterHit. " << endmsg;
continue;
}
warning() << "Failed to convert to collection "
<< collect->GetName()
<< endmsg;
}
}
void
Edm4hepWriterAnaElemTool::PreUserTrackingAction(const G4Track*) {
}
void
Edm4hepWriterAnaElemTool::PostUserTrackingAction(const G4Track*) {
}
void
Edm4hepWriterAnaElemTool::UserSteppingAction(const G4Step*) {
}
StatusCode
Edm4hepWriterAnaElemTool::initialize() {
StatusCode sc;
return sc;
}
StatusCode
Edm4hepWriterAnaElemTool::finalize() {
StatusCode sc;
return sc;
}