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// $Id: Geant4Converter.cpp 603 2013-06-13 21:15:14Z markus.frank $
//====================================================================
// AIDA Detector description implementation for LCD
//--------------------------------------------------------------------
//
// Author : M.Frank
//
//====================================================================
// Framework include files
#define DDG4_MAKE_INSTANTIATIONS
#include "DD4hep/LCDD.h"
#include "DDG4/Geant4HitCollection.h"
#include "DDG4/Geant4DataConversion.h"
#include "DDG4/Geant4Context.h"
#include "DDG4/Geant4Primary.h"
#include "DDG4/Geant4Data.h"
// LCIO includes
#include "IMPL/LCCollectionVec.h"
#include "IMPL/LCEventImpl.h"
#include "IMPL/SimTrackerHitImpl.h"
#include "IMPL/SimCalorimeterHitImpl.h"
#include "IMPL/MCParticleImpl.h"
//
#include "UTIL/Operators.h"
#include "UTIL/ILDConf.h"
using namespace std;
/*
* DD4hep namespace declaration
*/
namespace DD4hep {
/*
* Simulation namespace declaration
*/
namespace Simulation {
typedef Geometry::VolumeManager VolMgr;
typedef Geometry::IDDescriptor IDDescriptor;
/// Data conversion interface calling lower level explicit convetrers
/**
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
pair<const Geant4Context*,G4VHitsCollection*>,
Geant4HitCollection>::operator()(const arg_t& args) const {
G4VHitsCollection* c = args.second;
Geant4HitCollection* coll = dynamic_cast<Geant4HitCollection*>(c);
if ( coll ) {
typedef pair<arg_t::first_type,Geant4HitCollection*> _A;
typedef Geant4Conversion<output_t,_A> _C;
const _C& cnv= _C::converter(coll->type().type);
return cnv(_A(args.first,coll));
}
throw unrelated_type_error(typeid(Geant4HitCollection),typeid(*c),
"Cannot save the collection entries of:"+c->GetName());
}
/// Data conversion interface creating lcio::SimTrackerHitImpl from Geant4Tracker::Hit structures
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **Geant4Tracker::Hit**.
* The original objects are untouched and are automatically when the hosting
* Geant4HitCollection object is released.
*
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
pair<const Geant4Context*,Geant4HitCollection*>,
Geant4Tracker::Hit>::operator()(const arg_t& args) const {
Geant4HitCollection* coll = args.second;
size_t nhits = coll->GetSize();
string dsc = encoding(coll->sensitiveDetector());
Geant4ParticleMap* pm = args.first->event().extension<Geant4ParticleMap>();
lcio::LCEventImpl* lc_evt = args.first->event().extension<lcio::LCEventImpl>();
EVENT::LCCollection* lc_part = lc_evt->getCollection("McParticles");
lcio::LCCollectionVec* lc_coll = new lcio::LCCollectionVec(lcio::LCIO::SIMTRACKERHIT);
UTIL::CellIDEncoder<SimTrackerHit> decoder(dsc,lc_coll);
for(size_t i=0; i<nhits; ++i) {
const Geant4Tracker::Hit* hit = coll->hit(i);
const Geant4Tracker::Hit::Contribution& t = hit->truth;
int trackID = pm->particleID(t.trackID);
EVENT::MCParticle* lc_mcp = (EVENT::MCParticle*)lc_part->getElementAt(trackID);
double pos[3] = {hit->position.x(), hit->position.y(), hit->position.z()};
float mom[3] = {hit->momentum.x(), hit->momentum.y(), hit->momentum.z()};
lcio::SimTrackerHitImpl* lc_hit = new lcio::SimTrackerHitImpl;
lc_hit->setCellID0( (hit->cellID >> 0 ) & 0xFFFFFFFF);
lc_hit->setCellID1( (hit->cellID >> sizeof( int ) ) & 0xFFFFFFFF);
lc_hit->setEDep(hit->energyDeposit);
lc_hit->setPathLength(hit->length);
lc_hit->setTime(hit->truth.time);
lc_hit->setMCParticle(lc_mcp);
lc_hit->setPosition(pos);
lc_hit->setMomentum(mom);
lc_coll->addElement(lc_hit);
/// Data conversion interface creating lcio::SimCalorimeterHitImpl from Geant4Calorimeter::Hit structures
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **Geant4Calorimeter::Hit**.
* The original objects are untouched and are automatically when the hosting
* Geant4HitCollection object is released.
*
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
pair<const Geant4Context*,Geant4HitCollection*>,
Geant4Calorimeter::Hit>::operator()(const arg_t& args) const {
typedef Geant4HitData::Contributions Contributions;
Geant4HitCollection* coll = args.second;
size_t nhits = coll->GetSize();
string dsc = encoding(coll->sensitiveDetector());
Geant4ParticleMap* pm = args.first->event().extension<Geant4ParticleMap>();
lcio::LCEventImpl* lc_evt = args.first->event().extension<lcio::LCEventImpl>();
EVENT::LCCollection* lc_parts = lc_evt->getCollection("McParticles");
lcio::LCCollectionVec* lc_coll = new lcio::LCCollectionVec(lcio::LCIO::SIMCALORIMETERHIT);
UTIL::CellIDEncoder<SimCalorimeterHit> decoder(dsc,lc_coll);
lc_coll->setFlag(UTIL::make_bitset32(LCIO::CHBIT_LONG,LCIO::CHBIT_STEP,LCIO::CHBIT_ID1));
for(size_t i=0; i<nhits; ++i) {
const Geant4Calorimeter::Hit* hit = coll->hit(i);
float pos[3] = {hit->position.x(), hit->position.y(), hit->position.z()};
lcio::SimCalorimeterHitImpl* lc_hit = new lcio::SimCalorimeterHitImpl;
lc_hit->setCellID0(( hit->cellID >> 0 ) & 0xFFFFFFFF);
lc_hit->setCellID1(( hit->cellID >> sizeof(int)) & 0xFFFFFFFF); // ????
lc_hit->setPosition(pos);
lc_hit->setEnergy( hit->energyDeposit );
lc_coll->addElement(lc_hit);
/// Now add the individual track contributions to the LCIO hit structure
for(Contributions::const_iterator j=hit->truth.begin(); j!=hit->truth.end(); ++j) {
const Geant4HitData::Contribution& c = *j;
int trackID = pm->particleID(c.trackID);
EVENT::MCParticle* lc_mcp = (EVENT::MCParticle*)lc_parts->getElementAt(trackID);
lc_hit->addMCParticleContribution(lc_mcp,c.deposit,c.time);
Markus Frank
committed
}
template <typename T>
lcio::LCCollectionVec* moveEntries(Geant4HitCollection* coll,
lcio::LCCollectionVec* lc_coll)
{
size_t nhits = coll->GetSize();
lc_coll->reserve(nhits);
for(size_t i=0; i<nhits; ++i) {
Geant4HitWrapper& wrap = coll->hit(i);
T* lc_hit = wrap;
wrap.release(); // Now we have ownership!
lc_coll->addElement(lc_hit);
}
coll->clear(); // Since the collection now only contains NULL pointers, better clear it!
return lc_coll;
}
/// Data conversion interface moving lcio::SimTrackerHitImpl objects from a Geant4HitCollection to a LCCollectionVec
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **lcio::SimTrackerHitImpl**.
* The ownership of the original Geant4HitCollection is released and moved to
* the newly created lcio::LCCollectionVec container.
* Finally the original hits collection is cleared.
*
* Note: This conversion is INTRUSIVE and CLEARS the original collection!
*
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
Geant4DataConversion<lcio::LCCollectionVec,
pair<const Geant4Context*,Geant4HitCollection*>,
lcio::SimTrackerHitImpl>::operator()(const arg_t& args) const
string dsc = encoding(args.second->sensitiveDetector());
output_t* lc = new lcio::LCCollectionVec(lcio::LCIO::SIMTRACKERHIT);
UTIL::CellIDEncoder<SimTrackerHit> decoder(dsc,lc);
return moveEntries<lcio::SimTrackerHitImpl>(args.second,lc);
}
/// Data conversion interface moving lcio::SimCalorimeterHitImpl objects from a Geant4HitCollection to a LCCollectionVec
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **lcio::SimCalorimeterHitImpl**.
* The ownership of the original Geant4HitCollection is released and moved to
* the newly created lcio::LCCollectionVec container.
* Finally the original hits collection is cleared.
*
* Note: This conversion is INTRUSIVE and CLEARS the original collection!
*
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
Geant4DataConversion<lcio::LCCollectionVec,
pair<const Geant4Context*,Geant4HitCollection*>,
lcio::SimCalorimeterHitImpl>::operator()(const arg_t& args) const
{
string dsc = encoding(args.second->sensitiveDetector());
output_t* lc = new lcio::LCCollectionVec(lcio::LCIO::SIMCALORIMETERHIT);
UTIL::CellIDEncoder<SimCalorimeterHit> decoder(dsc,lc);
lc->setFlag(UTIL::make_bitset32(LCIO::CHBIT_LONG,LCIO::CHBIT_STEP,LCIO::CHBIT_ID1));
return moveEntries<tag_t>(args.second,lc);
}
/// Data conversion interface moving lcio::ClusterImpl objects from a Geant4HitCollection to a LCCollectionVec
/** Same comments apply as for the data mover for lcio::SimCalorimeterHitImpl and lcio::SimTrackerHitImpl
*
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
Geant4DataConversion<lcio::LCCollectionVec,
pair<const Geant4Context*,Geant4HitCollection*>,
lcio::ClusterImpl>::operator()(const arg_t& args) const
{
output_t* lc = new lcio::LCCollectionVec(lcio::LCIO::CLUSTER);
return moveEntries<tag_t>(args.second,lc);
}
typedef pair<const Geant4Context*,G4VHitsCollection*> RAW_CONVERSION_ARGS;
typedef pair<const Geant4Context*,Geant4HitCollection*> CONVERSION_ARGS;
template class Geant4Conversion<lcio::LCCollectionVec,RAW_CONVERSION_ARGS>;
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,RAW_CONVERSION_ARGS,Geant4HitCollection)
template class Geant4Conversion<lcio::LCCollectionVec,CONVERSION_ARGS>;
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,Geant4Tracker::Hit)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,Geant4Calorimeter::Hit)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,lcio::SimTrackerHitImpl)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,lcio::SimCalorimeterHitImpl)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,lcio::ClusterImpl)
} // End namespace Simulation
} // End namespace DD4hep