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//==========================================================================
// AIDA Detector description implementation
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author : M.Frank
//
//==========================================================================
/// Framework include files
#include <DD4hep/Primitives.h>
#include <DD4hep/Printout.h>
#include "DigiIO.h"
/// C/C++ include files
#include <limits>
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// =========================================================================
// EDM4HEP specific stuff
// =========================================================================
#ifdef DD4HEP_USE_EDM4HEP
/// edm4hep include files
#include <edm4hep/SimTrackerHit.h>
#include <edm4hep/MCParticle.h>
#include <edm4hep/MCParticleCollection.h>
/// Namespace for the AIDA detector description toolkit
namespace dd4hep {
/// Namespace for the Digitization part of the AIDA detector description toolkit
namespace digi {
struct bla {
class my_part;
typedef my_part particle_type;
};
edm4hep::Vector3d _toVectorD(const dd4hep::Position& ep) {
return { ep.x(), ep.y(), ep.z() };
}
edm4hep::Vector3f _toVectorF(const dd4hep::Position& ep) {
return { float(ep.x()), float(ep.y()), float(ep.z()) };
}
namespace {
template <typename DATA> bool internal_can_handle(const DATA&, const std::type_info&) {
return true;
}
template <> bool internal_can_handle(const ParticleMapping::value_type& data, const std::type_info& info) {
return (data.second.source.type() == info);
}
}
template <typename T> template <typename DATA>
bool data_io<T>::_can_handle(const DATA& data) {
return internal_can_handle(data, typeid(pwrap_t));
}
template <typename T> template <typename CONT>
void data_io<T>::_pre_create(CONT* coll, std::size_t n) {
/// We have to pre-create all objects to be able to fill the parent-daughter relationships
for ( std::size_t i=0; i<n; ++i ) {
coll->create();
}
}
template <typename T> template <typename CONT>
std::vector<const typename data_io<T>::particle_t*>
data_io<T>::_to_vector(const CONT& cont) {
std::vector<const particle_t*> vec;
vec.reserve(cont.size());
for ( const auto& part : cont ) {
const auto& p = part.second;
if ( p.source.type() == typeid(pwrap_t) ) {
const auto* ptr = std::any_cast<pwrap_t>(&p.source);
vec.emplace_back(ptr->get());
}
}
if ( cont.size() != vec.size() ) {
except("data_io","_to_vector: Containers of mixed origin are not supported!");
}
return vec;
}
template <typename T> template <typename FIRST, typename SECOND>
void data_io<T>::_to_edm4hep(const FIRST&, SECOND) {
except("data_io::_to_edm4hep","(%s&, %s): Implementation not present!",
typeName(typeid(FIRST)).c_str(), typeName(typeid(SECOND)).c_str());
}
/// Set all properties of the MutableMCParticle
template <> template <>
void data_io<digi_input>::_to_edm4hep(const particle_t& p,
edm4hep::MutableMCParticle mcp) {
mcp.setPDG(p.pdgID);
mcp.setTime(p.time);
mcp.setMass(p.mass);
mcp.setCharge(3.0*p.charge);
mcp.setVertex( _toVectorD(p.start_position) );
mcp.setEndpoint( _toVectorD(p.end_position) );
mcp.setMomentum( _toVectorF(p.momentum) );
mcp.setMomentumAtEndpoint( _toVectorF(p.momentum) );
}
template <> template <>
void data_io<digi_input>::_to_edm4hep(const std::vector<const particle_t*>& cont,
edm4hep::MCParticleCollection* coll) {
std::size_t i, n = cont.size();
_pre_create(coll, n);
/// Convert particle body
for ( i=0; i<n; ++i) {
_to_edm4hep(*cont[i], coll->at(i));
}
}
/// Set all properties of the MutableMCParticle
template <> template <>
void data_io<edm4hep_input>::_to_edm4hep(const particle_t& p,
edm4hep::MutableMCParticle mcp)
{
mcp.setPDG( p.getPDG() );
mcp.setMomentum( p.getMomentum() );
mcp.setMomentumAtEndpoint( p.getMomentumAtEndpoint() );
mcp.setVertex( p.getVertex() );
mcp.setEndpoint( p.getEndpoint() );
mcp.setTime( p.getTime() );
mcp.setMass( p.getMass() );
mcp.setCharge( p.getCharge() );
mcp.setGeneratorStatus( p.getGeneratorStatus() );
mcp.setSimulatorStatus( p.getSimulatorStatus() );
mcp.setSpin(p.getSpin());
mcp.setColorFlow(p.getColorFlow());
}
template <> template <>
void data_io<edm4hep_input>::_to_edm4hep(const std::vector<const particle_t*>& cont,
edm4hep::MCParticleCollection* coll)
{
std::size_t i, n = cont.size();
_pre_create(coll, n);
/// Convert particle body
for ( i=0; i<n; ++i) {
const particle_t* p = cont[i];
auto mcp = coll->at(i);
_to_edm4hep(*p, mcp);
#if 0
/// Relationships are already resolved and kept in order: Just copy indices
for (std::size_t idau = 0; idau < p->daughters_size(); ++idau) {
mcp.addToDaughters(coll->at(idau));
}
for (auto ipar : p->parents) {
mcp.addToParents(coll->at(ipar));
}
#endif
}
}
} // End namespace digi
} // End namespace dd4hep
// =========================================================================
// DDG4 specific stuff
// =========================================================================
#if defined(DD4HEP_USE_DDG4)
#include <DDG4/Geant4Data.h>
#include <DDG4/Geant4Particle.h>
/// Namespace for the AIDA detector description toolkit
namespace dd4hep {
/// Namespace for the Digitization part of the AIDA detector description toolkit
namespace digi {
using PropertyMask = dd4hep::detail::ReferenceBitMask<int>;
template <> template <>
bool DepositPredicate<EnergyCut>::operator()(sim::Geant4Tracker::Hit* h) const {
return h->energyDeposit > data.cutoff;
}
template <> template <>
bool DepositPredicate<EnergyCut>::operator()(sim::Geant4Calorimeter::Hit* h) const {
return h->energyDeposit > data.cutoff;
}
void add_particle_history(const sim::Geant4Calorimeter::Hit* hit, Key key, History& hist) {
for( const auto& truth : hit->truth ) {
key.set_item(truth.trackID);
hist.particles.emplace_back(key, truth.deposit);
}
}
void add_particle_history(const sim::Geant4Tracker::Hit* hit, Key key, History& hist) {
key.set_item(hit->truth.trackID);
hist.particles.emplace_back(key, hit->truth.deposit);
}
/// Set all properties of the MutableMCParticle
template <> template <>
void data_io<ddg4_input>::_to_edm4hep(const particle_t& p,
edm4hep::MutableMCParticle mcp)
{
auto status = p.status;
const PropertyMask mask(status);
mcp.setPDG(p.pdgID);
mcp.setMomentum( _toVectorF( { p.psx, p.psy, p.psz } ) );
mcp.setMomentumAtEndpoint( _toVectorF( {p.pex, p.pey, p.pez} ) );
mcp.setVertex( _toVectorD( { p.vsx, p.vsy, p.vsz } ) );
mcp.setEndpoint( _toVectorD( { p.vex, p.vey, p.vez } ) );
mcp.setTime(p.time);
mcp.setMass(p.mass);
mcp.setCharge(3.0*float(p.charge));
// Set generator status
mcp.setGeneratorStatus(0);
if( p.genStatus ) {
mcp.setGeneratorStatus( p.genStatus ) ;
} else {
if ( mask.isSet(sim::G4PARTICLE_GEN_STABLE) ) mcp.setGeneratorStatus(1);
else if ( mask.isSet(sim::G4PARTICLE_GEN_DECAYED) ) mcp.setGeneratorStatus(2);
else if ( mask.isSet(sim::G4PARTICLE_GEN_DOCUMENTATION) ) mcp.setGeneratorStatus(3);
else if ( mask.isSet(sim::G4PARTICLE_GEN_BEAM) ) mcp.setGeneratorStatus(4);
else if ( mask.isSet(sim::G4PARTICLE_GEN_OTHER) ) mcp.setGeneratorStatus(9);
}
// Set simulation status
mcp.setCreatedInSimulation( mask.isSet(sim::G4PARTICLE_SIM_CREATED) );
mcp.setBackscatter( mask.isSet(sim::G4PARTICLE_SIM_BACKSCATTER) );
mcp.setVertexIsNotEndpointOfParent( mask.isSet(sim::G4PARTICLE_SIM_PARENT_RADIATED) );
mcp.setDecayedInTracker( mask.isSet(sim::G4PARTICLE_SIM_DECAY_TRACKER) );
mcp.setDecayedInCalorimeter( mask.isSet(sim::G4PARTICLE_SIM_DECAY_CALO) );
mcp.setHasLeftDetector( mask.isSet(sim::G4PARTICLE_SIM_LEFT_DETECTOR) );
mcp.setStopped( mask.isSet(sim::G4PARTICLE_SIM_STOPPED) );
mcp.setOverlay( false );
//fg: if simstatus !=0 we have to set the generator status to 0:
if( mcp.isCreatedInSimulation() )
mcp.setGeneratorStatus( 0 );
mcp.setSpin(p.spin);
mcp.setColorFlow(p.colorFlow);
}
template <> template <>
void data_io<ddg4_input>::_to_edm4hep(const std::vector<const particle_t*>& cont,
edm4hep::MCParticleCollection* coll)
{
std::size_t i, n = cont.size();
_pre_create(coll, n);
/// Convert particle body
for ( i=0; i<n; ++i) {
const particle_t* p = cont[i];
auto mcp = coll->at(i);
_to_edm4hep(*p, mcp);
/// Relationships are already resolved and kept in order: Just copy indices
for (auto idau : p->daughters)
mcp.addToDaughters(coll->at(idau));
for (auto ipar : p->parents)
mcp.addToParents(coll->at(ipar));
}
}
template <> template <>
void data_io<ddg4_input>::_to_digi_if(const std::vector<sim::Geant4Tracker::Hit*>& data,
std::map<CellID, std::shared_ptr<sim::Geant4Tracker::Hit> >& hits,
const DepositPredicate<EnergyCut>& predicate) {
for( auto* p : data ) {
std::shared_ptr<sim::Geant4Tracker::Hit> ptr(p);
if ( predicate(p) ) {
CellID cell = ptr->cellID;
hits.emplace(cell, std::move(ptr));
}
}
}
template <> template <>
void data_io<ddg4_input>::_to_digi_if(const std::vector<sim::Geant4Calorimeter::Hit*>& data,
std::map<CellID, std::shared_ptr<sim::Geant4Calorimeter::Hit> >& hits,
const DepositPredicate<EnergyCut>& predicate) {
for( auto* p : data ) {
std::shared_ptr<sim::Geant4Calorimeter::Hit> ptr(p);
if ( predicate(p) ) {
CellID cell = ptr->cellID;
hits.emplace(cell, std::move(ptr));
}
}
}
template <> template <>
void data_io<ddg4_input>::_to_digi(Key key,
const std::vector<sim::Geant4Particle*>& input,
ParticleMapping& particles)
{
Key mkey = key;
for( auto* part_ptr : input ) {
std::shared_ptr<sim::Geant4Particle> p(part_ptr);
Particle part;
part.start_position = Position(p->vsx, p->vsy, p->vsz);
part.end_position = Position(p->vex, p->vey, p->vez);
part.momentum = Direction(p->psx,p->psy, p->psz);
part.pdgID = p->pdgID;
part.charge = p->charge;
part.mass = p->mass;
part.time = p->time;
mkey.set_item(particles.size());
part.source = std::make_any<std::shared_ptr<sim::Geant4Particle> >(std::move(p));
particles.push(mkey, std::move(part));
}
}
template <typename T>
static void cnv_to_digi(Key key,
const std::pair<const CellID, std::shared_ptr<T> >& depo,
DepositVector& out) {
Key history_key;
EnergyDeposit dep { };
const auto* h = depo.second.get();
Position pos = h->position;
pos *= 1./dd4hep::mm;
dep.flag = h->flag;
dep.deposit = h->energyDeposit;
dep.position = pos;
history_key.set_mask(key.mask());
history_key.set_item(out.size());
history_key.set_segment(key.segment());
dep.history.hits.emplace_back(history_key, dep.deposit);
add_particle_history(h, history_key, dep.history);
out.emplace(depo.first, std::move(dep));
}
template <> template <>
void data_io<ddg4_input>::_to_digi(Key key,
const std::map<CellID, std::shared_ptr<sim::Geant4Calorimeter::Hit> >& hits,
DepositVector& out) {
out.data_type = SegmentEntry::CALORIMETER_HITS;
for( const auto& p : hits )
cnv_to_digi(key, p, out);
}
template <> template <>
void data_io<ddg4_input>::_to_digi(Key key,
const std::map<CellID, std::shared_ptr<sim::Geant4Tracker::Hit> >& hits,
DepositVector& out) {
out.data_type = SegmentEntry::TRACKER_HITS;
for( const auto& p : hits )
cnv_to_digi(key, p, out);
}
} // End namespace digi
} // End namespace dd4hep
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#endif // DD4HEP_USE_DDG4
/// Namespace for the AIDA detector description toolkit
namespace dd4hep {
/// Namespace for the Digitization part of the AIDA detector description toolkit
namespace digi {
template <>
void digi_io::_to_edm4hep(const ParticleMapping& cont,
edm4hep::MCParticleCollection* coll)
{
if ( cont.empty() ) {
return;
}
if ( data_io<edm4hep_input>::_can_handle(*cont.begin()) ) {
data_io<edm4hep_input> io;
auto vec = io._to_vector(cont);
if ( !vec.empty() ) {
io._to_edm4hep(vec, coll);
}
return;
}
else if ( data_io<ddg4_input>::_can_handle(*cont.begin()) ) {
data_io<ddg4_input> io;
auto vec = io._to_vector(cont);
if ( !vec.empty() ) {
io._to_edm4hep(vec, coll);
}
return;
}
// Catch-all: convert what we have at hands
data_io<digi_input> io;
auto vec = io._to_vector(cont);
if ( !vec.empty() ) {
io._to_edm4hep(vec, coll);
}
}
template <>
void digi_io::_to_edm4hep(const std::pair<const CellID, EnergyDeposit>& dep,
const std::array<float, 6>& covMat,
edm4hep::TrackerHitCollection* collection)
{
const EnergyDeposit& de = dep.second;
auto hit = collection->create();
double dep_error = de.depositError;
if ( dep_error < -std::numeric_limits<double>::epsilon() ) {
dep_error = 0e0;
}
hit.setType( hit_type );
hit.setTime( de.time );
hit.setCovMatrix( covMat );
hit.setCellID( dep.first );
hit.setEDep( de.deposit );
hit.setEDepError( dep_error );
hit.setEdx( de.deposit/de.length );
hit.setPosition( _toVectorD(de.position) );
}
template <>
void digi_io::_to_edm4hep(const std::pair<const CellID, EnergyDeposit>& dep,
edm4hep::CalorimeterHitCollection* collection)
{
const EnergyDeposit& de = dep.second;
auto hit = collection->create();
double dep_error = de.depositError;
if ( dep_error < -std::numeric_limits<double>::epsilon() ) {
dep_error = 0e0;
}
hit.setType( hit_type );
hit.setTime( de.time );
hit.setCellID( dep.first );
hit.setEnergy( de.deposit );
hit.setEnergyError( dep_error );
hit.setPosition( _toVectorF(de.position) );
}
} // End namespace digi
} // End namespace dd4hep