#include <PomwigHadronizer.h>

Inheritance diagram for gen::PomwigHadronizer:

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 ()

bool	initializeForExternalPartons ()

bool	initializeForInternalPartons ()

	PomwigHadronizer (const edm::ParameterSet &params)

bool	readSettings (int)

bool	residualDecay ()

void	statistics ()

	~PomwigHadronizer ()

Public Member Functions inherited from gen::BaseHadronizer
	BaseHadronizer (edm::ParameterSet const &ps)

edm::Event &	getEDMEvent () const

HepMC::GenEvent *	getGenEvent ()

GenEventInfoProduct *	getGenEventInfo ()

GenRunInfoProduct &	getGenRunInfo ()

const boost::shared_ptr < lhef::LHERunInfo > &	getLHERunInfo () const

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)

	~BaseHadronizer ()

Public Member Functions inherited from gen::Herwig6Instance
bool	callWithTimeout (unsigned int secs, void(*fn)())

bool	give (const std::string &line)

	Herwig6Instance (CLHEP::HepRandomEngine *randomEngine=0)

	Herwig6Instance (int dummy)

void	openParticleSpecFile (const std::string fileName)

virtual	~Herwig6Instance ()

Public Member Functions inherited from gen::FortranInstance
void	call (void(&fn)())

template<typename T >
T	call (T(&fn)())

template<typename A >
void	call (void(&fn)(A), A a)

template<typename T , typename A >
T	call (T(&fn)(A), A a)

template<typename A1 , typename A2 >
void	call (void(&fn)(A1, A2), A1 a1, A2 a2)

template<typename T , typename A1 , typename A2 >
T	call (T(&fn)(A1, A2), A1 a1, A2 a2)

virtual void	enter ()

	FortranInstance ()

virtual void	leave ()

virtual void	upEvnt ()

virtual void	upInit ()

virtual bool	upVeto ()

virtual	~FortranInstance ()

Private Member Functions
void	clear ()

bool	initializeDPDF ()

Private Attributes
double	comEnergy

HepMC::IO_HERWIG	conv

int	diffTopology

bool	doMPInteraction

bool	doPDGConvert

int	h1fit

int	hepmcVerbosity

int	herwigVerbosity

int	maxEventsToPrint

bool	needClear

int	numTrials

gen::ParameterCollector	parameters

bool	printCards

double	survivalProbability

bool	useJimmy

Additional Inherited Members
Static Public Member Functions inherited from gen::FortranInstance
template<typename T >
static T *	getInstance ()

Protected Member Functions inherited from gen::BaseHadronizer
std::auto_ptr< HepMC::GenEvent > &	event ()

std::auto_ptr < GenEventInfoProduct > &	eventInfo ()

lhef::LHEEvent *	lheEvent ()

lhef::LHERunInfo *	lheRunInfo ()

GenRunInfoProduct &	runInfo ()

Protected Member Functions inherited from gen::Herwig6Instance
virtual bool	hwwarn (const std::string &fn, int code)

Detailed Description

Definition at line 14 of file PomwigHadronizer.h.

Constructor & Destructor Documentation

gen::PomwigHadronizer::PomwigHadronizer ( const edm::ParameterSet & params )

Definition at line 89 of file PomwigHadronizer.cc.

References doPDGConvert, edm::ParameterSet::exists(), and edm::ParameterSet::getParameter().

                                                                 :
     BaseHadronizer(params),
     needClear(false),
     parameters(params.getParameter<edm::ParameterSet>("HerwigParameters")),
     herwigVerbosity(params.getUntrackedParameter<int>("herwigVerbosity", 0)),
     hepmcVerbosity(params.getUntrackedParameter<int>("hepmcVerbosity", 0)),
     maxEventsToPrint(params.getUntrackedParameter<int>("maxEventsToPrint", 0)),
     printCards(params.getUntrackedParameter<bool>("printCards", false)),
     comEnergy(params.getParameter<double>("comEnergy")),
         survivalProbability(params.getParameter<double>("survivalProbability")),
         diffTopology(params.getParameter<int>("diffTopology")),
         h1fit(params.getParameter<int>("h1fit")),
     useJimmy(params.getParameter<bool>("useJimmy")),
     doMPInteraction(params.getParameter<bool>("doMPInteraction")),
     numTrials(params.getUntrackedParameter<int>("numTrialsMPI", 100)),
         doPDGConvert(false)
 {
         if ( params.exists( "doPDGConvert" ) )
            doPDGConvert = params.getParameter<bool>("doPDGConvert");
 }

gen::PomwigHadronizer::~PomwigHadronizer ( )

Definition at line 110 of file PomwigHadronizer.cc.

References clear().

 {
     clear();
 }

Member Function Documentation

const char* gen::PomwigHadronizer::classname ( ) const

inline

Definition at line 34 of file PomwigHadronizer.h.

34 { return "PomwigHadronizer"; }

void gen::PomwigHadronizer::clear ( void )

private

Definition at line 115 of file PomwigHadronizer.cc.

References gen::FortranInstance::call(), jmefin, needClear, and useJimmy.

Referenced by readSettings(), and ~PomwigHadronizer().

 {
     if (!needClear)
         return;
 
     // teminate elementary process
     call(hwefin);
     if (useJimmy)
         call(jmefin);
 
     needClear = false;
 }

bool gen::PomwigHadronizer::decay ( )

Definition at line 348 of file PomwigHadronizer.cc.

References conv, doPDGConvert, gen::BaseHadronizer::event(), and wrapper.

 {
     // hadron decays
 
     InstanceWrapper wrapper(this);  // safe guard
 
     hwdhad();   // unstable particle decays
     hwdhvy();   // heavy flavour decays
     hwmevt();   // soft underlying event
 
     hwufne();   // finalize event
 
     if (hwevnt.IERROR)
         return false;
 
     event().reset(new HepMC::GenEvent);
     if (!conv.fill_next_event(event().get()))
         throw cms::Exception("PomwigError")
             << "HepMC Conversion problems in event." << std::endl;
 
         // do particle ID conversion Herwig->PDG, if requested
         if(doPDGConvert){
            for ( HepMC::GenEvent::particle_iterator part = event()->particles_begin(); part != event()->particles_end(); ++part) {
              if ((*part)->pdg_id() != HepPID::translateHerwigtoPDT((*part)->pdg_id()))
                (*part)->set_pdg_id(HepPID::translateHerwigtoPDT((*part)->pdg_id()));
            }
         }
 
     return true;
 }

bool gen::PomwigHadronizer::declareSpecialSettings ( const std::vector< std::string > )

inline

Definition at line 25 of file PomwigHadronizer.h.

25 { return true; }

bool gen::PomwigHadronizer::declareStableParticles ( const std::vector< int > & pdgIds )

Definition at line 279 of file PomwigHadronizer.cc.

 {
     for(std::vector<int>::const_iterator iter = pdgIds.begin();
         iter != pdgIds.end(); ++iter)
         if (!markStable(*iter))
             return false;
     return true;
 }

void gen::PomwigHadronizer::finalizeEvent ( )

Definition at line 339 of file PomwigHadronizer.cc.

References gen::BaseHadronizer::event(), and lhef::LHEEvent::fixHepMCEventTimeOrdering().

 {
     lhef::LHEEvent::fixHepMCEventTimeOrdering(event().get());
 
     event()->set_signal_process_id(hwproc.IPROC);
 
         event()->weights().push_back(hwevnt.EVWGT);
 }

bool gen::PomwigHadronizer::generatePartonsAndHadronize ( )

Definition at line 304 of file PomwigHadronizer.cc.

References gen::Herwig6Instance::callWithTimeout(), doMPInteraction, error, gen::BaseHadronizer::event(), gen::hwwarn_(), useJimmy, and wrapper.

 {
     // hard process generation, parton shower, hadron formation
 
     InstanceWrapper wrapper(this);  // safe guard
 
     event().reset();
 
     // call herwig routines to create HEPEVT
 
     hwuine();   // initialize event
     
     if (callWithTimeout(10, hwepro)) { // process event and PS
       // We hung for more than 10 seconds
       int error = 199;
       hwwarn_("HWHGUP", &error);
     }
     
     hwbgen();   // parton cascades
 
     // call jimmy ... only if event is not killed yet by HERWIG
     if (useJimmy && doMPInteraction && !hwevnt.IERROR && call_hwmsct()) 
       return false;
     
     hwdhob();   // heavy quark decays
     hwcfor();   // cluster formation
     hwcdec();   // cluster decays
     
     // if event *not* killed by HERWIG, return true
     if (!hwevnt.IERROR) return true;
 
     hwufne();   // finalize event   
     return false;
 }

bool gen::PomwigHadronizer::hadronize ( )

Definition at line 299 of file PomwigHadronizer.cc.

 {
    return false;
 }

bool gen::PomwigHadronizer::initializeDPDF ( )

private

Definition at line 233 of file PomwigHadronizer.cc.

References printConversionInfo::aux, cl, edm::errors::Configuration, diffTopology, edm::hlt::Exception, python.connectstrParser::f2, h1fit, gen::qcd_1994(), and gen::qcd_2006().

Referenced by initializeForInternalPartons().

 {
    // Initialize H1 pomeron/reggeon
 
    if(diffTopology == 3) return true;
  
    if((diffTopology != 0)&&(diffTopology != 1)&&(diffTopology != 2)) return false;
 
    int nstru = hwpram.NSTRU;
    int ifit = h1fit;
    if((nstru == 9)||(nstru == 10)){
          if((ifit <= 0)||(ifit >= 7)){
               throw edm::Exception(edm::errors::Configuration,"PomwigError")
               <<" Attempted to set non existant H1 1997 fit index. Has to be 1...6";
          }
          std::string aux((nstru == 9)?"Pomeron":"Reggeon"); 
          edm::LogVerbatim("") << "   H1 1997 pdf's: " << aux << "\n"
                               << "   IFIT = " << ifit;
          double xp = 0.1;
          double Q2 = 75.0;
          double xpq[13];
          qcd_1994(xp,Q2,xpq,ifit);
     } else if((nstru >= 12)&&(nstru <= 15)){
          bool isPom = (nstru == 12)||(nstru == 14);
          bool isFitA = (nstru == 12)||(nstru == 13);
          ifit = (isFitA)?1:2;
          std::string aux_0((isFitA)?"A":"B");
          std::string aux_1((isPom)?"Pomeron":"Reggeon"); 
          edm::LogVerbatim("") << "   H1 2006 Fit " << aux_0 << " " << aux_1 << "\n"
                               << "   IFIT = "<< ifit;
          double xp = 0.1;
          double Q2 = 75.0;
          double xpq[13];
          double f2[2];
          double fl[2];
          double c2[2];
          double cl[2];
          qcd_2006(xp,Q2,ifit,xpq,f2,fl,c2,cl);
     } else{
          throw edm::Exception(edm::errors::Configuration,"PomwigError")
                <<" Only running Pomeron H1 1997 (NSTRU=9), H1 2006 fit A (NSTRU=12) and H1 2006 fit B (NSTRU=14) or Reggeon H1 1997 (NSTRU=10), H1 2006 fit A (NSTRU=13) and H1 2006 fit B (NSTRU=15)";
     }
  
     return true;
 }

bool gen::PomwigHadronizer::initializeForExternalPartons ( )

Definition at line 128 of file PomwigHadronizer.cc.

 {
    return false;
 }

bool gen::PomwigHadronizer::initializeForInternalPartons ( )

Definition at line 219 of file PomwigHadronizer.cc.

References gen::FortranInstance::call(), and initializeDPDF().

 {
  
    call(hwuinc);
 
    hwusta("PI0     ",1);
  
    if(!initializeDPDF()) return false;
 
    call(hweini);
 
    return true;
 }

bool gen::PomwigHadronizer::readSettings ( int )

Definition at line 133 of file PomwigHadronizer.cc.

References gen::ParameterCollector::begin(), gen::FortranInstance::call(), clear(), comEnergy, edm::errors::Configuration, diffTopology, gen::ParameterCollector::end(), edm::hlt::Exception, gen::Herwig6Instance::give(), herwigVerbosity, hwdspn, hwprch, i, geometryCSVtoXML::line, maxEventsToPrint, needClear, and parameters.

 {
 
    clear();
 
    edm::LogVerbatim("") << "----------------------------------------------\n"
                         << "Initializing PomwigHadronizer\n"
                         << "----------------------------------------------\n";
 
    // Call hwudat to set up HERWIG block data
    hwudat();
  
    // Setting basic parameters ...
    hwproc.PBEAM1 = comEnergy/2.;
    hwproc.PBEAM2 = comEnergy/2.;
    // Choose beam particles for POMWIG depending on topology
    switch (diffTopology){
         case 0: //DPE
                 hwbmch.PART1[0]  = 'E';
                 hwbmch.PART1[1]  = '-';
                 hwbmch.PART2[0]  = 'E';
                 hwbmch.PART2[1]  = '-';
                 break;
         case 1: //SD survive PART1
                 hwbmch.PART1[0]  = 'E';
                 hwbmch.PART1[1]  = '-';
                 hwbmch.PART2[0]  = 'P';
                 hwbmch.PART2[1]  = ' ';
                 break;
         case 2: //SD survive PART2
                 hwbmch.PART1[0]  = 'P';
                 hwbmch.PART1[1]  = ' ';
                 hwbmch.PART2[0]  = 'E';
                 hwbmch.PART2[1]  = '-';
                 break;
         case 3: //Non diffractive
                 hwbmch.PART1[0]  = 'P';
                 hwbmch.PART1[1]  = ' ';
                 hwbmch.PART2[0]  = 'P';
                 hwbmch.PART2[1]  = ' ';
                 break;
         default:
                 throw edm::Exception(edm::errors::Configuration,"PomwigError")
           <<" Invalid Diff. Topology. Must be DPE(diffTopology = 0), SD particle 1 (diffTopology = 1), SD particle 2 (diffTopology = 2) and Non diffractive (diffTopology = 3)";
                 break;
    }
    for(int i=2;i<8;++i){
     hwbmch.PART1[i]  = ' ';
     hwbmch.PART2[i]  = ' ';}
 
    // initialize other common blocks ...
    call(hwigin);
 
    hwevnt.MAXER = 100000000;    // O(inf)
    hwpram.LWSUD = 0;            // don't write Sudakov form factors
    hwdspn.LWDEC = 0;            // don't write three/four body decays
                                 // (no fort.77 and fort.88 ...)a
 
    std::memset(hwprch.AUTPDF, ' ', sizeof hwprch.AUTPDF);
    for(unsigned int i = 0; i < 2; i++) {
         hwpram.MODPDF[i] = -111;
         std::memcpy(hwprch.AUTPDF[i], "HWLHAPDF", 8);
    }
 
    hwevnt.MAXPR = maxEventsToPrint;
    hwpram.IPRINT = herwigVerbosity;
 
    edm::LogVerbatim("") << "------------------------------------\n"
                         << "Reading HERWIG parameters\n"
                         << "------------------------------------\n";
     
    for(gen::ParameterCollector::const_iterator line = parameters.begin();
                                                line != parameters.end(); ++line) {
       edm::LogVerbatim("") << "   " << *line;
       if (!give(*line))
           throw edm::Exception(edm::errors::Configuration)
                 << "Herwig 6 did not accept the following: \""
                 << *line << "\"." << std::endl;
    }
 
    needClear = true;
 
    return true;
 
 }

bool gen::PomwigHadronizer::residualDecay ( )

Definition at line 379 of file PomwigHadronizer.cc.

 {
     return true;
 }

void gen::PomwigHadronizer::statistics ( )

Definition at line 288 of file PomwigHadronizer.cc.

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

 {
     double RNWGT = 1. / hwevnt.NWGTS;
     double AVWGT = hwevnt.WGTSUM * RNWGT;
 
     double xsec = 1.0e3 * AVWGT;
         xsec = survivalProbability*xsec;
 
     runInfo().setInternalXSec(xsec);
 }

Member Data Documentation

double gen::PomwigHadronizer::comEnergy

private

Definition at line 48 of file PomwigHadronizer.h.

Referenced by readSettings().

HepMC::IO_HERWIG gen::PomwigHadronizer::conv

private

Definition at line 59 of file PomwigHadronizer.h.

Referenced by decay().

int gen::PomwigHadronizer::diffTopology

private

Definition at line 50 of file PomwigHadronizer.h.

Referenced by initializeDPDF(), and readSettings().

bool gen::PomwigHadronizer::doMPInteraction

private

Definition at line 54 of file PomwigHadronizer.h.

Referenced by generatePartonsAndHadronize().

bool gen::PomwigHadronizer::doPDGConvert

private

Definition at line 57 of file PomwigHadronizer.h.

Referenced by decay(), and PomwigHadronizer().

int gen::PomwigHadronizer::h1fit

private

Definition at line 51 of file PomwigHadronizer.h.

Referenced by initializeDPDF().

int gen::PomwigHadronizer::hepmcVerbosity

private

Definition at line 44 of file PomwigHadronizer.h.

int gen::PomwigHadronizer::herwigVerbosity

private

Definition at line 43 of file PomwigHadronizer.h.

Referenced by readSettings().

int gen::PomwigHadronizer::maxEventsToPrint

private

Definition at line 45 of file PomwigHadronizer.h.

Referenced by readSettings().

bool gen::PomwigHadronizer::needClear

private

Definition at line 40 of file PomwigHadronizer.h.

Referenced by clear(), and readSettings().

int gen::PomwigHadronizer::numTrials

private

Definition at line 55 of file PomwigHadronizer.h.

gen::ParameterCollector gen::PomwigHadronizer::parameters

private

Definition at line 42 of file PomwigHadronizer.h.

Referenced by Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::inputTags(), Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::properties(), readSettings(), and Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::recursePSetProperties().

bool gen::PomwigHadronizer::printCards

private

Definition at line 46 of file PomwigHadronizer.h.

double gen::PomwigHadronizer::survivalProbability

private

Definition at line 49 of file PomwigHadronizer.h.

Referenced by statistics().

bool gen::PomwigHadronizer::useJimmy

private

Definition at line 53 of file PomwigHadronizer.h.

Referenced by clear(), and generatePartonsAndHadronize().

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation