// $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 "DD4hep/Printout.h"
#include "DDG4/Geant4HitCollection.h"
#include "DDG4/Geant4DataConversion.h"
#include "DDG4/Geant4Data.h"
// LCIO includes
#include "IMPL/LCCollectionVec.h"
//
#include "IMPL/ClusterImpl.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;
/// Data conversion interface calling lower level explicit convetrers
/**
* @author M.Frank
* @version 1.0
*/
template <> lcio::LCCollectionVec*
Geant4DataConversion<lcio::LCCollectionVec,
pair<VolMgr,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 SimpleTracker::Hit structures
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **SimpleTracker::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*
Geant4DataConversion<lcio::LCCollectionVec,
pair<VolMgr,Geant4HitCollection*>,
SimpleTracker::Hit>::operator()(const arg_t& args) const {
Geant4HitCollection* coll = args.second;
size_t nhits = coll->GetSize();
lcio::LCCollectionVec* lc_coll = new lcio::LCCollectionVec(lcio::LCIO::SIMTRACKERHIT);
lc_coll->reserve(nhits);
if ( nhits > 0 ) {
SimpleHit* hit = coll->hit(0);
string dsc = encoding(args.first, hit->cellID);
UTIL::CellIDEncoder<SimTrackerHit> decoder(dsc,lc_coll);
for(size_t i=0; i<nhits; ++i) {
const SimpleTracker::Hit* g4_hit = coll->hit(i);
double pos[3] = {g4_hit->position.x(), g4_hit->position.y(), g4_hit->position.z()};
lcio::SimTrackerHitImpl* lc_hit = new lcio::SimTrackerHitImpl;
lc_hit->setCellID0( (g4_hit->cellID >> 0 ) & 0xFFFFFFFF);
lc_hit->setCellID1( (g4_hit->cellID >> sizeof( int ) ) & 0xFFFFFFFF);
lc_hit->setPosition(pos);
lc_hit->setEDep(g4_hit->energyDeposit);
lc_hit->setTime(g4_hit->truth.time);
lc_hit->setMomentum( g4_hit->momentum.x(), g4_hit->momentum.y() , g4_hit->momentum.z() );
lc_hit->setPathLength( g4_hit->length);
lc_coll->addElement(lc_hit);
}
}
return lc_coll;
}
/// Data conversion interface creating lcio::SimCalorimeterHitImpl from SimpleCalorimeter::Hit structures
/**
* This converter is to be used, when the sensitive detectors create fill collections
* of type Geant4HitCollection with objects of type **SimpleCalorimeter::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*
Geant4DataConversion<lcio::LCCollectionVec,
pair<VolMgr,Geant4HitCollection*>,
SimpleCalorimeter::Hit>::operator()(const arg_t& args) const {
Geant4HitCollection* coll = args.second;
size_t nhits = coll->GetSize();
lcio::LCCollectionVec* lc_coll = new lcio::LCCollectionVec(lcio::LCIO::SIMCALORIMETERHIT);
lc_coll->setFlag(UTIL::make_bitset32(LCIO::CHBIT_LONG,LCIO::CHBIT_STEP,LCIO::CHBIT_ID1));
lc_coll->reserve(nhits);
if ( nhits > 0 ) {
SimpleHit* hit = coll->hit(0);
string dsc = encoding(args.first, hit->cellID);
UTIL::CellIDEncoder<SimCalorimeterHit> decoder(dsc,lc_coll);
for(size_t i=0; i<nhits; ++i) {
const SimpleCalorimeter::Hit* g4_hit = coll->hit(i);
float pos[3] = {g4_hit->position.x(), g4_hit->position.y(), g4_hit->position.z()};
lcio::SimCalorimeterHitImpl* lc_hit = new lcio::SimCalorimeterHitImpl;
lc_hit->setCellID0( ( g4_hit->cellID >> 0 ) & 0xFFFFFFFF );
lc_hit->setCellID1( ( g4_hit->cellID >> sizeof( int ) ) & 0xFFFFFFFF );
lc_hit->setPosition(pos);
lc_hit->setEnergy( g4_hit->energyDeposit );
lc_coll->addElement(lc_hit);
}
}
return lc_coll;
}
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<VolMgr,Geant4HitCollection*>,
lcio::SimTrackerHitImpl>::operator()(const arg_t& args) const
{
Geant4HitCollection* coll = args.second;
lcio::SimTrackerHitImpl* hit = coll->hit(0);
long long int id1 = hit->getCellID1(), id0=hit->getCellID0();
long long int cellID = (((id1<<32)&0xFFFFFFFF00000000)|(id0&0xFFFFFFFF));
string dsc = encoding(args.first, cellID);
lcio::LCCollectionVec* lc_coll = new lcio::LCCollectionVec(lcio::LCIO::SIMTRACKERHIT);
UTIL::CellIDEncoder<SimTrackerHit> decoder(dsc,lc_coll);
return moveEntries<lcio::SimTrackerHitImpl>(args.second,lc_coll);
}
/// 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<VolMgr,Geant4HitCollection*>,
lcio::SimCalorimeterHitImpl>::operator()(const arg_t& args) const
{
Geant4HitCollection* coll = args.second;
lcio::SimCalorimeterHitImpl* hit = coll->hit(0);
output_t* lc = new lcio::LCCollectionVec(lcio::LCIO::SIMCALORIMETERHIT);
long long int id1 = hit->getCellID1(), id0=hit->getCellID0();
long long int cellID = (((id1<<32)&0xFFFFFFFF00000000)|(id0&0xFFFFFFFF));
string dsc = encoding(args.first, cellID);
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<VolMgr,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);
}
/// Data conversion interface moving lcio::MCParticleImpl 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<VolMgr,Geant4HitCollection*>,
lcio::MCParticleImpl>::operator()(const arg_t& args) const
{
output_t* lc = new lcio::LCCollectionVec(lcio::LCIO::MCPARTICLE);
return moveEntries<tag_t>(args.second,lc);
}
typedef pair<VolMgr,G4VHitsCollection*> RAW_CONVERSION_ARGS;
typedef pair<VolMgr,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>;
// Hit converters for simple Geant4Data objects
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,SimpleTracker::Hit)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,SimpleCalorimeter::Hit)
// Hit converters for standard LCIO objects
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)
DECLARE_GEANT4_HITCONVERTER(lcio::LCCollectionVec,CONVERSION_ARGS,lcio::MCParticleImpl)
} // End namespace Simulation
} // End namespace DD4hep