Herwig7Hadronizer Class Reference

Inheritance diagram for Herwig7Hadronizer:

Public Member Functions
const char *	classname () const
bool	decay ()
bool	declareSpecialSettings (const std::vector< std::string >)
bool	declareStableParticles (const std::vector< int > &pdgIds)
void	finalizeEvent ()
bool	generatePartonsAndHadronize ()
bool	hadronize ()
	Herwig7Hadronizer (const edm::ParameterSet &params)
bool	initializeForExternalPartons ()
bool	initializeForInternalPartons ()
bool	readSettings (int)
bool	residualDecay ()
void	statistics ()
	~Herwig7Hadronizer () override
Public Member Functions inherited from Herwig7Interface
	Herwig7Interface (const edm::ParameterSet &params)
void	setPEGRandomEngine (CLHEP::HepRandomEngine *)
	~Herwig7Interface ()
Public Member Functions inherited from gen::BaseHadronizer
	BaseHadronizer (edm::ParameterSet const &ps)
void	cleanLHE ()
void	generateLHE (edm::LuminosityBlock const &lumi, CLHEP::HepRandomEngine *rengine, unsigned int ncpu)
edm::Event &	getEDMEvent () const
HepMC::GenEvent *	getGenEvent ()
GenEventInfoProduct *	getGenEventInfo ()
virtual GenLumiInfoHeader *	getGenLumiInfoHeader () const
GenRunInfoProduct &	getGenRunInfo ()
const boost::shared_ptr< lhef::LHERunInfo > &	getLHERunInfo () const
const std::string &	gridpackPath () const
int	randomIndex () const
const std::string &	randomInitConfigDescription () const
void	randomizeIndex (edm::LuminosityBlock const &lumi, CLHEP::HepRandomEngine *rengine)
void	resetEvent (HepMC::GenEvent *event)
void	resetEventInfo (GenEventInfoProduct *eventInfo)
virtual bool	select (HepMC::GenEvent *) const
void	setEDMEvent (edm::Event &event)
void	setLHEEvent (lhef::LHEEvent *event)
void	setLHERunInfo (lhef::LHERunInfo *runInfo)
void	setRandomEngine (CLHEP::HepRandomEngine *v)
std::vector< std::string > const &	sharedResources () const
virtual	~BaseHadronizer ()(false)

Private Member Functions
void	doSetRandomEngine (CLHEP::HepRandomEngine *v) override

Private Attributes
unsigned int	eventsToPrint
const std::string	handlerDirectory_
edm::ParameterSet	paramSettings
boost::shared_ptr< lhef::LHEProxy >	proxy_
const std::string	runFileName
ThePEG::EventPtr	thepegEvent

Additional Inherited Members
Public Attributes inherited from Herwig7Interface
ThePEG::EGPtr	eg_
Protected Member Functions inherited from Herwig7Interface
void	callHerwigGenerator ()
void	createInputFile (const edm::ParameterSet &params)
void	flushRandomNumberGenerator ()
bool	initGenerator ()
void	initRepository (const edm::ParameterSet &params)
Protected Member Functions inherited from gen::BaseHadronizer
std::unique_ptr< HepMC::GenEvent > &	event ()
std::unique_ptr< GenEventInfoProduct > &	eventInfo ()
lhef::LHEEvent *	lheEvent ()
lhef::LHERunInfo *	lheRunInfo ()
GenRunInfoProduct &	runInfo ()
Static Protected Member Functions inherited from Herwig7Interface
static std::unique_ptr< HepMC::GenEvent >	convert (const ThePEG::EventPtr &event)
static double	pthat (const ThePEG::EventPtr &event)
Protected Attributes inherited from Herwig7Interface
Herwig::HerwigUIProvider *	HwUI_
std::unique_ptr< HepMC::IO_BaseClass >	iobc_
Protected Attributes inherited from gen::BaseHadronizer
std::string	lheFile_
int	randomIndex_

Detailed Description

Definition at line 31 of file Herwig7Hadronizer.cc.

Constructor & Destructor Documentation

Herwig7Hadronizer::Herwig7Hadronizer

(

const edm::ParameterSet &

params

)

Definition at line 66 of file Herwig7Hadronizer.cc.

References Herwig7Interface::initRepository(), paramSettings, and muonDTDigis_cfi::pset.

                                                                :
    Herwig7Interface(pset),
    BaseHadronizer(pset),
    eventsToPrint(pset.getUntrackedParameter<unsigned int>("eventsToPrint", 0)),
    handlerDirectory_(pset.getParameter<std::string>("eventHandlers")),
    runFileName(pset.getParameter<std::string>("run"))
{  
    initRepository(pset);
    paramSettings = pset;
}

Herwig7Hadronizer::~Herwig7Hadronizer ( )

override

Definition at line 77 of file Herwig7Hadronizer.cc.

{
}

Member Function Documentation

const char* Herwig7Hadronizer::classname ( ) const

inline

Definition at line 50 of file Herwig7Hadronizer.cc.

{ return "Herwig7Hadronizer"; }

bool Herwig7Hadronizer::decay

(

)

Definition at line 167 of file Herwig7Hadronizer.cc.

{
    return true;
}

bool Herwig7Hadronizer::declareSpecialSettings ( const std::vector< std::string >  )

inline

Definition at line 40 of file Herwig7Hadronizer.cc.

References SelectingProcedure_cff::decay, and myMessageLogger_cff::statistics.

{ return true; }

bool Herwig7Hadronizer::declareStableParticles

(

const std::vector< int > &

pdgIds

)

Definition at line 102 of file Herwig7Hadronizer.cc.

{
    return false;
}

void Herwig7Hadronizer::doSetRandomEngine ( CLHEP::HepRandomEngine *  v )

inlineoverrideprivatevirtual

Reimplemented from gen::BaseHadronizer.

Definition at line 54 of file Herwig7Hadronizer.cc.

{ setPEGRandomEngine(v); }

void Herwig7Hadronizer::finalizeEvent

(

)

Definition at line 150 of file Herwig7Hadronizer.cc.

References gen::BaseHadronizer::event(), gen::BaseHadronizer::eventInfo(), eventsToPrint, Herwig7Interface::iobc_, Herwig7Interface::pthat(), and thepegEvent.

{
    eventInfo().reset(new GenEventInfoProduct(event().get()));
    eventInfo()->setBinningValues(
            std::vector<double>(1, pthat(thepegEvent)));

    if (eventsToPrint) {
        eventsToPrint--;
        event()->print();
    }

    if (iobc_.get())
        iobc_->write_event(event().get());

    edm::LogInfo("Generator|Herwig7Hadronizer") << "Event produced";
}

bool Herwig7Hadronizer::generatePartonsAndHadronize

(

)

Definition at line 116 of file Herwig7Hadronizer.cc.

References Herwig7Interface::convert(), Herwig7Interface::eg_, gen::BaseHadronizer::event(), cppFunctionSkipper::exception, Herwig7Interface::flushRandomNumberGenerator(), and thepegEvent.

{
    edm::LogInfo("Generator|Herwig7Hadronizer") << "Start production";

    flushRandomNumberGenerator();

        try {
                thepegEvent = eg_->shoot();
        } catch (std::exception& exc) {
                edm::LogWarning("Generator|Herwig7Hadronizer") << "EGPtr::shoot() thrown an exception, event skipped: " << exc.what();
                return false;
        } 
        
    if (!thepegEvent) {
        edm::LogWarning("Generator|Herwig7Hadronizer") << "thepegEvent not initialized";
        return false;
    }

    event() = convert(thepegEvent);
    if (!event().get()) {
        edm::LogWarning("Generator|Herwig7Hadronizer") << "genEvent not initialized";
        return false;
    }

    return true;
}

bool Herwig7Hadronizer::hadronize

(

)

Definition at line 143 of file Herwig7Hadronizer.cc.

{

    edm::LogError("Herwig7 interface") << "Read in of LHE files is not supported in this way. You can read them manually if necessary.";
    return false;
}

bool Herwig7Hadronizer::initializeForExternalPartons

(

)

Definition at line 96 of file Herwig7Hadronizer.cc.

{
    edm::LogError("Herwig7 interface") << "Read in of LHE files is not supported in this way. You can read them manually if necessary.";
    return false;
}

bool Herwig7Hadronizer::initializeForInternalPartons

(

)

Definition at line 81 of file Herwig7Hadronizer.cc.

References cmsRelvalreport::exit, Herwig7Interface::initGenerator(), Herwig7Interface::initRepository(), paramSettings, and runFileName.

{
    std::ifstream runFile(runFileName+".run");
    if (runFile.fail()) //required for showering of LHE files
    {
        initRepository(paramSettings);
    }
    if (!initGenerator())
    {
        edm::LogInfo("Generator|Herwig7Hadronizer") << "No run step for Herwig chosen. Program will be aborted.";
        exit(0);
    }
    return true;
}

bool Herwig7Hadronizer::readSettings ( int  )

inline

Definition at line 36 of file Herwig7Hadronizer.cc.

{ return true; }

bool Herwig7Hadronizer::residualDecay

(

)

Definition at line 172 of file Herwig7Hadronizer.cc.

{
    return true;
}

void Herwig7Hadronizer::statistics

(

)

Definition at line 107 of file Herwig7Hadronizer.cc.

References Herwig7Interface::eg_, gen::BaseHadronizer::runInfo(), and GenRunInfoProduct::setInternalXSec().

{
  if(eg_) {
    runInfo().setInternalXSec(GenRunInfoProduct::XSec(
        eg_->integratedXSec() / ThePEG::picobarn,
        eg_->integratedXSecErr() / ThePEG::picobarn));
  }
}

Member Data Documentation

unsigned int Herwig7Hadronizer::eventsToPrint

private

Definition at line 56 of file Herwig7Hadronizer.cc.

Referenced by finalizeEvent().

const std::string Herwig7Hadronizer::handlerDirectory_

private

Definition at line 61 of file Herwig7Hadronizer.cc.

edm::ParameterSet Herwig7Hadronizer::paramSettings

private

Definition at line 62 of file Herwig7Hadronizer.cc.

Referenced by Herwig7Hadronizer(), and initializeForInternalPartons().

boost::shared_ptr<lhef::LHEProxy> Herwig7Hadronizer::proxy_

private

Definition at line 60 of file Herwig7Hadronizer.cc.

const std::string Herwig7Hadronizer::runFileName

private

Definition at line 63 of file Herwig7Hadronizer.cc.

Referenced by initializeForInternalPartons().

ThePEG::EventPtr Herwig7Hadronizer::thepegEvent

private

Definition at line 58 of file Herwig7Hadronizer.cc.

Referenced by finalizeEvent(), and generatePartonsAndHadronize().