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// $Id: Geant4Field.cpp 875 2013-11-04 16:15:14Z markus.frank@cern.ch $
//====================================================================
// AIDA Detector description implementation for LCD
//--------------------------------------------------------------------
//
// Author : M.Frank
//
//====================================================================
#ifndef DD4HEP_DDG4_GEANT4OUTPUT2LCIO_H
#define DD4HEP_DDG4_GEANT4OUTPUT2LCIO_H
// Framework include files
#include "DD4hep/VolumeManager.h"
#include "DDG4/Geant4OutputAction.h"
// lcio include files
#include "lcio.h"
#include "IO/LCWriter.h"
/*
* DD4hep namespace declaration
*/
namespace DD4hep {
class ComponentCast;
/*
* Simulation namespace declaration
*/
namespace Simulation {
/** @class Geant4Output2LCIO Geant4Output2LCIO.h DDG4/Geant4Output2LCIO.h
*
* Base class to output Geant4 event data to media
*
* @author M.Frank
* @version 1.0
*/
class Geant4Output2LCIO : public Geant4OutputAction {
protected:
Geometry::VolumeManager m_volMgr;
lcio::LCWriter* m_file;
int m_runNo;
public:
/// Standard constructor
Geant4Output2LCIO(Geant4Context* context, const std::string& nam);
/// Default destructor
virtual ~Geant4Output2LCIO();
/// Callback to store the Geant4 run information
virtual void beginRun(const G4Run* run);
/// Callback to store the Geant4 run information
virtual void endRun(const G4Run* run);
/// Callback to store the Geant4 run information
virtual void saveRun(const G4Run* run);
/// Callback to store the Geant4 event
virtual void saveEvent( OutputContext<G4Event>& ctxt);
/// Callback to store each Geant4 hit collection
virtual void saveCollection( OutputContext<G4Event>& ctxt, G4VHitsCollection* collection);
/// Commit data at end of filling procedure
virtual void commit( OutputContext<G4Event>& ctxt);
/// begin-of-event callback - creates LCIO event and adds it to the event context
virtual void begin(const G4Event* event);
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};
} // End namespace Simulation
} // End namespace DD4hep
#endif // DD4HEP_DDG4_GEANT4OUTPUT2LCIO_H
// $Id: Geant4Converter.cpp 603 2013-06-13 21:15:14Z markus.frank $
//====================================================================
// AIDA Detector description implementation for LCD
//--------------------------------------------------------------------
//
// Author : M.Frank
//
//====================================================================
// Framework include files
#include "DD4hep/InstanceCount.h"
#include "DDG4/Geant4HitCollection.h"
#include "DDG4/Geant4DataConversion.h"
//#include "DDG4/Geant4Output2LCIO.h"
#include "G4Event.hh"
#include "G4Run.hh"
// LCIO include files
#include "IMPL/LCEventImpl.h"
#include "IMPL/LCRunHeaderImpl.h"
#include "IMPL/LCCollectionVec.h"
using namespace DD4hep::Simulation;
using namespace DD4hep;
using namespace std;
#include "DDG4/Factories.h"
DECLARE_GEANT4ACTION(Geant4Output2LCIO)
/// Standard constructor
Geant4Output2LCIO::Geant4Output2LCIO(Geant4Context* ctxt, const string& nam)
: Geant4OutputAction(ctxt,nam), m_volMgr(), m_file(0), m_runNo(0)
{
InstanceCount::increment(this);
}
/// Default destructor
Geant4Output2LCIO::~Geant4Output2LCIO() {
InstanceCount::decrement(this);
if ( m_file ) {
m_file->close();
deletePtr(m_file);
}
}
// Callback to store the Geant4 run information
void Geant4Output2LCIO::beginRun(const G4Run* ) {
if ( 0 == m_file && !m_output.empty() ) {
m_file = lcio::LCFactory::getInstance()->createLCWriter();
m_file->open(m_output,lcio::LCIO::WRITE_NEW);
// Get the volume manager here:
// in the constructor the geometry may not yet be built!
m_volMgr = context()->lcdd().volumeManager();
}
}
/// Callback to store the Geant4 run information
void Geant4Output2LCIO::endRun(const G4Run* ) {
}
/// Commit data at end of filling procedure
void Geant4Output2LCIO::commit( OutputContext<G4Event>& ctxt) {
//lcio::LCEventImpl* e = ctxt.data<lcio::LCEventImpl>();
lcio::LCEventImpl* e = context()->event().extension<lcio::LCEventImpl>();
std::cout << " ########### Geant4Output2LCIO::commit() : writing LCIO event to file .... " << std::endl ;
}
/// Callback to store the Geant4 run information
void Geant4Output2LCIO::saveRun(const G4Run* run) {
// --- write an lcio::RunHeader ---------
lcio::LCRunHeaderImpl* rh = new lcio::LCRunHeaderImpl;
rh->setRunNumber(m_runNo=run->GetRunID());
rh->setDetectorName(context()->lcdd().header().name());
m_file->writeRunHeader(rh);
}
void Geant4Output2LCIO::begin(const G4Event* event){
lcio::LCEventImpl* e = new lcio::LCEventImpl;
//fg: fixme: should be this call (deleting the pointer in the end) but that does not compile ...
// context()->event().addExtension<lcio::LCEventImpl>( e );
context()->event().addExtension( e , typeid( lcio::LCEventImpl ), 0);
// std::cout << " ########### Geant4Output2LCIO::begin add new LCIO event event context " << std::endl ;
}
/// Callback to store the Geant4 event
void Geant4Output2LCIO::saveEvent(OutputContext<G4Event>& ctxt) {
// lcio::LCEventImpl* e = new lcio::LCEventImpl;
// ctxt.userData = e;
lcio::LCEventImpl* e = context()->event().extension<lcio::LCEventImpl>();
e->setRunNumber(m_runNo);
e->setEventNumber(ctxt.context->GetEventID());
e->setDetectorName(context()->lcdd().header().name());
e->setRunNumber(m_runNo);
}
/// Callback to store each Geant4 hit collection
void Geant4Output2LCIO::saveCollection(OutputContext<G4Event>& ctxt, G4VHitsCollection* collection) {
size_t nhits = collection->GetSize();
std::string hc_nam = collection->GetName();
if ( nhits > 0 ) {
typedef pair<Geometry::VolumeManager,G4VHitsCollection*> _A;
typedef Geant4Conversion<lcio::LCCollectionVec,_A> _C;
const _C& cnv = _C::converter(typeid(Geant4HitCollection));
//lcio::LCEventImpl* evt = ctxt.data<lcio::LCEventImpl>();
lcio::LCEventImpl* evt = context()->event().extension<lcio::LCEventImpl>();
lcio::LCCollectionVec* col = cnv(_A(m_volMgr,collection));
evt->addCollection(col,hc_nam);
}
}