dd4hep::sim::HEPMC3FileReader Class Reference

Base class to read hepmc3 event files. More...

Inheritance diagram for dd4hep::sim::HEPMC3FileReader:

Public Member Functions
	HEPMC3FileReader (const std::string &nam)
	Initializing constructor. More...
virtual	~HEPMC3FileReader ()=default
	Default destructor. More...
virtual EventReaderStatus	readGenEvent (int event_number, HepMC3::GenEvent &genEvent)
	Read an event and fill a vector of MCParticles. More...
virtual EventReaderStatus	moveToEvent (int event_number)
	skip to event with event_number More...
virtual EventReaderStatus	setParameters (std::map< std::string, std::string > &parameters)
	Set the parameters for the class. More...
virtual void	registerRunParameters ()
	register the run parameters into an extension for the run context More...
Public Member Functions inherited from dd4hep::sim::HEPMC3EventReader
	HEPMC3EventReader (const std::string &fileName)
	Initializing constructor. More...
virtual	~HEPMC3EventReader ()=default
	Default destructor. More...
virtual EventReaderStatus	readParticles (int event_number, Vertices &vertices, Particles &particles)
	Read an event and fill a vector of Particles and vertices. More...
Public Member Functions inherited from dd4hep::sim::Geant4EventReader
	Geant4EventReader (const std::string &nam)
	Initializing constructor. More...
virtual	~Geant4EventReader ()
	Default destructor. More...
Geant4Context *	context () const
	Get the context (from the input action) More...
void	setInputAction (Geant4InputAction *action)
	Set the input action. More...
const std::string &	name () const
	File name. More...
bool	hasDirectAccess () const
	Flag if direct event access (by event sequence number) is supported (Default: false) More...
int	currentEventNumber () const
	return current Event Number More...
virtual EventReaderStatus	skipEvent ()
	Skip event. To be implemented for sequential sources. More...
virtual void	checkParameters (std::map< std::string, std::string > &)
	make sure that all parameters have been processed, otherwise throw exceptions More...

Protected Attributes
std::shared_ptr< HepMC3::Reader >	m_reader
	Reference to reader object. More...
Protected Attributes inherited from dd4hep::sim::HEPMC3EventReader
std::string	m_flow1 = "flow1"
	name of the GenEvent Attribute storing the color flow1 More...
std::string	m_flow2 = "flow2"
	name of the GenEvent Attribute storing the color flow2 More...
Protected Attributes inherited from dd4hep::sim::Geant4EventReader
std::string	m_name
	File name to be opened and read. More...
bool	m_directAccess { false }
	Flag if direct event access is supported. To be explicitly set by subclass constructors. More...
int	m_currEvent { 0 }
	Current event number. More...
Geant4InputAction *	m_inputAction { nullptr }
	The input action context. More...

Additional Inherited Members
Public Types inherited from dd4hep::sim::Geant4EventReader
enum	EventReaderStatus {   EVENT_READER_ERROR =0, EVENT_READER_OK =1, EVENT_READER_NO_DIRECT =2, EVENT_READER_NO_PRIMARIES =4,   EVENT_READER_NO_FACTORY =6, EVENT_READER_IO_ERROR =8, EVENT_READER_EOF =10 }
	Status codes of the event reader object. Anything with NOT low-bit set is an error. More...
typedef Geant4Vertex	Vertex
typedef Geant4Particle	Particle
typedef std::vector< Particle * >	Particles
typedef std::vector< Vertex * >	Vertices
Protected Member Functions inherited from dd4hep::sim::Geant4EventReader
template<typename T >
void	_getParameterValue (std::map< std::string, std::string > &parameters, std::string const &parameterName, T &parameter, T defaultValue)
	transform the string parameter value into the type of parameter More...

Detailed Description

Base class to read hepmc3 event files.

Version

1.0

Definition at line 93 of file HepMC3FileReader.cpp.

Constructor & Destructor Documentation

HEPMC3FileReader()

HEPMC3FileReader::HEPMC3FileReader

(

const std::string &

nam

)

Initializing constructor.

Definition at line 126 of file HepMC3FileReader.cpp.

~HEPMC3FileReader()

virtual dd4hep::sim::HEPMC3FileReader::~HEPMC3FileReader ( )

virtualdefault

Default destructor.

Member Function Documentation

moveToEvent()

Geant4EventReader::EventReaderStatus HEPMC3FileReader::moveToEvent ( int  event_number )

virtual

skip to event with event_number

moveToSpecifiedEvent, a.k.a. skipNEvents

Reimplemented from dd4hep::sim::Geant4EventReader.

Definition at line 159 of file HepMC3FileReader.cpp.

readGenEvent()

Geant4EventReader::EventReaderStatus HEPMC3FileReader::readGenEvent ( int  event_number, HepMC3::GenEvent &  genEvent  )

virtual

Read an event and fill a vector of MCParticles.

Implements dd4hep::sim::HEPMC3EventReader.

Definition at line 176 of file HepMC3FileReader.cpp.

registerRunParameters()

void HEPMC3FileReader::registerRunParameters ( )

virtual

register the run parameters into an extension for the run context

Reimplemented from dd4hep::sim::Geant4EventReader.

Definition at line 147 of file HepMC3FileReader.cpp.

setParameters()

Geant4EventReader::EventReaderStatus HEPMC3FileReader::setParameters ( std::map< std::string, std::string > &  parameters )

virtual

Set the parameters for the class.

Reimplemented from dd4hep::sim::Geant4EventReader.

Definition at line 202 of file HepMC3FileReader.cpp.

Member Data Documentation

m_reader

std::shared_ptr<HepMC3::Reader> dd4hep::sim::HEPMC3FileReader::m_reader

protected

Reference to reader object.

Definition at line 96 of file HepMC3FileReader.cpp.

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The documentation for this class was generated from the following file:

• DDG4/hepmc/HepMC3FileReader.cpp