Herwig7Hadronizer Class Reference

Inheritance diagram for Herwig7Hadronizer:

Public Member Functions
void	beginLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &)
const char *	classname () const
bool	decay ()
bool	declareSpecialSettings (const std::vector< std::string >)
bool	declareStableParticles (const std::vector< int > &pdgIds)
void	finalizeEvent ()
bool	generatePartonsAndHadronize ()
std::unique_ptr< GenLumiInfoHeader >	getGenLumiInfoHeader () const override
bool	hadronize ()
	Herwig7Hadronizer (const edm::ParameterSet &params)
bool	initializeForExternalPartons ()
bool	initializeForInternalPartons ()
void	randomizeIndex (edm::LuminosityBlock const &lumi, CLHEP::HepRandomEngine *rengine)
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 () noexcept
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
std::unique_ptr< HepMC::GenEvent >	getGenEvent ()
std::unique_ptr< GenEventInfoProduct >	getGenEventInfo ()
GenRunInfoProduct &	getGenRunInfo ()
std::unique_ptr< lhef::LHEEvent >	getLHEEvent ()
const std::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 (std::unique_ptr< HepMC::GenEvent > event)
void	resetEventInfo (std::unique_ptr< GenEventInfoProduct > eventInfo)
virtual bool	select (HepMC::GenEvent *) const
void	setEDMEvent (edm::Event &event)
void	setLHEEvent (std::unique_ptr< lhef::LHEEvent > event)
void	setLHERunInfo (std::unique_ptr< 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	currentLumiBlock =0
unsigned int	eventsToPrint
unsigned int	firstLumiBlock =0
const std::string	handlerDirectory_
bool	haveEvt = false
edm::ParameterSet	paramSettings
std::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
std::shared_ptr< 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 35 of file Herwig7Hadronizer.cc.

Constructor & Destructor Documentation

Herwig7Hadronizer::Herwig7Hadronizer

(

const edm::ParameterSet &

params

)

Definition at line 79 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 90 of file Herwig7Hadronizer.cc.

{
}

Member Function Documentation

void Herwig7Hadronizer::beginLuminosityBlock	(	edm::LuminosityBlock const &	,
		edm::EventSetup const &
	)

const char* Herwig7Hadronizer::classname ( ) const

inline

Definition at line 54 of file Herwig7Hadronizer.cc.

{ return "Herwig7Hadronizer"; }

bool Herwig7Hadronizer::decay

(

)

Definition at line 255 of file Herwig7Hadronizer.cc.

{
    return true;
}

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

inline

Definition at line 44 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 130 of file Herwig7Hadronizer.cc.

{
    return false;
}

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

inlineoverrideprivatevirtual

Reimplemented from gen::BaseHadronizer.

Definition at line 63 of file Herwig7Hadronizer.cc.

{ setPEGRandomEngine(v); }

void Herwig7Hadronizer::finalizeEvent

(

)

Definition at line 238 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 144 of file Herwig7Hadronizer.cc.

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

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

    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;
}

std::unique_ptr< GenLumiInfoHeader > Herwig7Hadronizer::getGenLumiInfoHeader ( ) const

overridevirtual

Reimplemented from gen::BaseHadronizer.

Definition at line 205 of file Herwig7Hadronizer.cc.

References genWeightsTable_cfi::genLumiInfoHeader, and thepegEvent.

                                                                               {
  auto genLumiInfoHeader = BaseHadronizer::getGenLumiInfoHeader();

  if (thepegEvent)
  {
    int weights_number = thepegEvent->optionalWeights().size();

      if(weights_number > 1){
        genLumiInfoHeader->weightNames().reserve(weights_number + 1);
        genLumiInfoHeader->weightNames().push_back("nominal");
        std::map<std::string,double> weights_map = thepegEvent->optionalWeights();
        for (std::map<std::string,double>::iterator it = weights_map.begin(); it != weights_map.end(); it++)
        {
            genLumiInfoHeader->weightNames().push_back(it->first);
        }
     }
  }

  return genLumiInfoHeader;
}

bool Herwig7Hadronizer::hadronize

(

)

Definition at line 169 of file Herwig7Hadronizer.cc.

References Herwig7Interface::convert(), Herwig7Interface::eg_, gen::BaseHadronizer::event(), lhef::LHEEvent::evtnum(), cppFunctionSkipper::exception, haveEvt, gen::BaseHadronizer::lheEvent(), and thepegEvent.

{
    if (!haveEvt) {
        try {
                thepegEvent = eg_->shoot();
                haveEvt = true;
        } catch (std::exception& exc) {
                edm::LogWarning("Generator|Herwig7Hadronizer") << "EGPtr::shoot() thrown an exception, event skipped: " << exc.what();
                return false;
        }
    }
    int evtnum = lheEvent()->evtnum();
    if (evtnum == -1) {
        edm::LogError("Generator|Herwig7Hadronizer") << "Event number not set in lhe file, needed for correctly aligning Herwig and LHE events!";
        return false;
    } else if (thepegEvent->number() == evtnum) {
        edm::LogError("Herwig7 interface") << "Herwig does not seem to be generating events in order, did you set /Herwig/EventHandlers/FxFxLHReader:AllowedToReOpen Yes?";
        return false;
    } else if (thepegEvent->number() == evtnum) {
        haveEvt = 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;
    }
    edm::LogWarning("Generator|Herwig7Hadronizer") << "Event "  << evtnum << " not generated (likely skipped in merging)";
    return false;
}

bool Herwig7Hadronizer::initializeForExternalPartons

(

)

Definition at line 112 of file Herwig7Hadronizer.cc.

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

{
    if (currentLumiBlock==firstLumiBlock)
    {
        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::initializeForInternalPartons

(

)

Definition at line 94 of file Herwig7Hadronizer.cc.

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

{
    if (currentLumiBlock==firstLumiBlock)
    {
        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;
}

void Herwig7Hadronizer::randomizeIndex	(	edm::LuminosityBlock const &	lumi,
		CLHEP::HepRandomEngine *	rengine
	)

Definition at line 226 of file Herwig7Hadronizer.cc.

References currentLumiBlock, firstLumiBlock, edm::LuminosityBlockBase::id(), and edm::LuminosityBlockID::luminosityBlock().

{
    BaseHadronizer::randomizeIndex(lumi, rengine);

    if (firstLumiBlock==0)
    {
        firstLumiBlock=lumi.id().luminosityBlock();
    }
    currentLumiBlock=lumi.id().luminosityBlock();

}

bool Herwig7Hadronizer::readSettings ( int  )

inline

Definition at line 40 of file Herwig7Hadronizer.cc.

{ return true; }

bool Herwig7Hadronizer::residualDecay

(

)

Definition at line 260 of file Herwig7Hadronizer.cc.

{
    return true;
}

void Herwig7Hadronizer::statistics

(

)

Definition at line 135 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::currentLumiBlock =0

private

Definition at line 76 of file Herwig7Hadronizer.cc.

Referenced by initializeForExternalPartons(), initializeForInternalPartons(), and randomizeIndex().

unsigned int Herwig7Hadronizer::eventsToPrint

private

Definition at line 65 of file Herwig7Hadronizer.cc.

Referenced by finalizeEvent().

unsigned int Herwig7Hadronizer::firstLumiBlock =0

private

Definition at line 75 of file Herwig7Hadronizer.cc.

Referenced by initializeForExternalPartons(), initializeForInternalPartons(), and randomizeIndex().

const std::string Herwig7Hadronizer::handlerDirectory_

private

Definition at line 71 of file Herwig7Hadronizer.cc.

bool Herwig7Hadronizer::haveEvt = false

private

Definition at line 68 of file Herwig7Hadronizer.cc.

Referenced by hadronize().

edm::ParameterSet Herwig7Hadronizer::paramSettings

private

Definition at line 72 of file Herwig7Hadronizer.cc.

Referenced by Herwig7Hadronizer(), initializeForExternalPartons(), and initializeForInternalPartons().

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

private

Definition at line 70 of file Herwig7Hadronizer.cc.

const std::string Herwig7Hadronizer::runFileName

private

Definition at line 73 of file Herwig7Hadronizer.cc.

Referenced by initializeForExternalPartons(), and initializeForInternalPartons().

ThePEG::EventPtr Herwig7Hadronizer::thepegEvent

private

Definition at line 67 of file Herwig7Hadronizer.cc.

Referenced by finalizeEvent(), generatePartonsAndHadronize(), getGenLumiInfoHeader(), and hadronize().