lhef::LHEEvent Class Reference

#include <LHEEvent.h>

Public Types
typedef LHEEventProduct::PDF	PDF
typedef LHEEventProduct::WGT	WGT

Public Member Functions
void	addComment (const std::string &line)
void	addWeight (const WGT &wgt)
std::unique_ptr< HepMC::GenEvent >	asHepMCEvent () const
void	attempted ()
void	count (LHERunInfo::CountMode count, double weight=1.0, double matchWeight=1.0)
int	evtnum () const
void	fillEventInfo (HepMC::GenEvent *hepmc) const
void	fillPdfInfo (HepMC::PdfInfo *info) const
const std::vector< std::string > &	getComments () const
const HEPEUP *	getHEPEUP () const
const HEPRUP *	getHEPRUP () const
const PDF *	getPDF () const
const int	getReadAttempts ()
const std::shared_ptr< LHERunInfo > &	getRunInfo () const
	LHEEvent (const std::shared_ptr< LHERunInfo > &runInfo, std::istream &in)
	LHEEvent (const std::shared_ptr< LHERunInfo > &runInfo, const HEPEUP &hepeup)
	LHEEvent (const std::shared_ptr< LHERunInfo > &runInfo, const HEPEUP &hepeup, const LHEEventProduct::PDF *pdf, const std::vector< std::string > &comments)
	LHEEvent (const std::shared_ptr< LHERunInfo > &runInfo, const LHEEventProduct &product)
int	npLO () const
int	npNLO () const
double	originalXWGTUP () const
void	removeResonances (const std::vector< int > &ids)
const std::vector< float > &	scales () const
void	setEvtNum (int n)
void	setNpLO (int n)
void	setNpNLO (int n)
void	setPDF (std::unique_ptr< PDF > pdf)
void	setScales (const std::vector< float > &scales)
const std::vector< WGT > &	weights () const
	~LHEEvent ()

Static Public Member Functions
static const HepMC::GenVertex *	findSignalVertex (const HepMC::GenEvent *event, bool status3=true)
static void	fixHepMCEventTimeOrdering (HepMC::GenEvent *event)
static void	removeParticle (lhef::HEPEUP &hepeup, int index)

Private Member Functions
HepMC::GenParticle *	makeHepMCParticle (unsigned int i) const

Static Private Member Functions
static bool	checkHepMCTree (const HepMC::GenEvent *event)

Private Attributes
std::vector< std::string >	comments
bool	counted
int	evtnum_
HEPEUP	hepeup
int	npLO_
int	npNLO_
double	originalXWGTUP_
std::unique_ptr< PDF >	pdf
int	readAttemptCounter
const std::shared_ptr< LHERunInfo >	runInfo
std::vector< float >	scales_
std::vector< WGT >	weights_

Detailed Description

Definition at line 23 of file LHEEvent.h.

Member Typedef Documentation

PDF

typedef LHEEventProduct::PDF lhef::LHEEvent::PDF

Definition at line 34 of file LHEEvent.h.

WGT

typedef LHEEventProduct::WGT lhef::LHEEvent::WGT

Definition at line 35 of file LHEEvent.h.

Constructor & Destructor Documentation

LHEEvent() [1/4]

lhef::LHEEvent::LHEEvent	(	const std::shared_ptr< LHERunInfo > &	runInfo,
		std::istream &	in
	)

Definition at line 37 of file LHEEvent.cc.

References funct::abs(), lhef::HEPEUP::AQCDUP, lhef::HEPEUP::AQEDUP, comments, hepeup, mps_fire::i, lhef::HEPEUP::ICOLUP, lhef::HEPEUP::IDPRUP, lhef::HEPEUP::IDUP, recoMuon::in, lhef::HEPEUP::ISTUP, mps_splice::line, lhef::HEPEUP::MOTHUP, lhef::HEPEUP::NUP, originalXWGTUP_, pdf, lhef::HEPEUP::PUP, lhef::HEPEUP::resize(), runInfo, lhef::HEPEUP::SCALUP, skipWhitespace(), lhef::HEPEUP::SPINUP, contentValuesCheck::ss, AlCaHLTBitMon_QueryRunRegistry::string, makeGlobalPositionRcd_cfg::tag, lhef::HEPEUP::VTIMUP, lhef::HEPEUP::XPDWUP, and lhef::HEPEUP::XWGTUP.

      : runInfo(runInfo),
        weights_(0),
        counted(false),
        readAttemptCounter(0),
        npLO_(-99),
        npNLO_(-99),
        evtnum_(-1)

  {
    hepeup.NUP = 0;
    hepeup.XPDWUP.first = hepeup.XPDWUP.second = 0.0;

    in >> hepeup.NUP >> hepeup.IDPRUP >> hepeup.XWGTUP >> hepeup.SCALUP >> hepeup.AQEDUP >> hepeup.AQCDUP;
    if (!in.good())
      throw cms::Exception("InvalidFormat") << "Les Houches file contained invalid"
                                               " event header."
                                            << std::endl;

    // store the original value of XWGTUP for the user
    originalXWGTUP_ = hepeup.XWGTUP;

    int idwtup = runInfo->getHEPRUP()->IDWTUP;
    if (idwtup >= 0 && hepeup.XWGTUP < 0) {
      edm::LogWarning("Generator|LHEInterface") << "Non-allowed negative event weight encountered." << std::endl;
      hepeup.XWGTUP = std::abs(hepeup.XWGTUP);
    }

    if (std::abs(idwtup) == 3 && std::abs(hepeup.XWGTUP) != 1.) {
      edm::LogInfo("Generator|LHEInterface") << "Event weight not set to one for abs(IDWTUP) == 3" << std::endl;
      hepeup.XWGTUP = hepeup.XWGTUP > 0. ? 1.0 : -1.0;
    }

    hepeup.resize();

    for (int i = 0; i < hepeup.NUP; i++) {
      in >> hepeup.IDUP[i] >> hepeup.ISTUP[i] >> hepeup.MOTHUP[i].first >> hepeup.MOTHUP[i].second >>
          hepeup.ICOLUP[i].first >> hepeup.ICOLUP[i].second >> hepeup.PUP[i][0] >> hepeup.PUP[i][1] >>
          hepeup.PUP[i][2] >> hepeup.PUP[i][3] >> hepeup.PUP[i][4] >> hepeup.VTIMUP[i] >> hepeup.SPINUP[i];
      if (!in.good())
        throw cms::Exception("InvalidFormat") << "Les Houches file contained invalid event"
                                                 " in particle line "
                                              << (i + 1) << "." << std::endl;
    }

    while (skipWhitespace(in) == '#') {
      std::string line;
      std::getline(in, line);
      std::istringstream ss(line);
      std::string tag;
      ss >> tag;
      if (tag == "#pdf") {
        pdf = std::make_unique<PDF>();
        ss >> pdf->id.first >> pdf->id.second >> pdf->x.first >> pdf->x.second >> pdf->scalePDF >> pdf->xPDF.first >>
            pdf->xPDF.second;
        if (ss.bad()) {
          edm::LogWarning("Generator|LHEInterface") << "Les Houches event contained"
                                                       " unparseable PDF information."
                                                    << std::endl;
          pdf.reset();
        } else
          continue;
      }
      comments.push_back(line + "\n");
    }

    if (!in.eof())
      edm::LogWarning("Generator|LHEInterface") << "Les Houches file contained spurious"
                                                   " content after event data."
                                                << std::endl;
  }

LHEEvent() [2/4]

lhef::LHEEvent::LHEEvent	(	const std::shared_ptr< LHERunInfo > &	runInfo,
		const HEPEUP &	hepeup
	)

Definition at line 109 of file LHEEvent.cc.

      : runInfo(runInfo), hepeup(hepeup), counted(false), readAttemptCounter(0), npLO_(-99), npNLO_(-99), evtnum_(-1) {}

LHEEvent() [3/4]

lhef::LHEEvent::LHEEvent	(	const std::shared_ptr< LHERunInfo > &	runInfo,
		const HEPEUP &	hepeup,
		const LHEEventProduct::PDF *	pdf,
		const std::vector< std::string > &	comments
	)

Definition at line 112 of file LHEEvent.cc.

      : runInfo(runInfo),
        hepeup(hepeup),
        pdf(pdf ? new PDF(*pdf) : nullptr),
        comments(comments),
        counted(false),
        readAttemptCounter(0),
        npLO_(-99),
        npNLO_(-99),
        evtnum_(-1) {}

LHEEvent() [4/4]

lhef::LHEEvent::LHEEvent	(	const std::shared_ptr< LHERunInfo > &	runInfo,
		const LHEEventProduct &	product
	)

Definition at line 126 of file LHEEvent.cc.

      : runInfo(runInfo),
        hepeup(product.hepeup()),
        pdf(product.pdf() ? new PDF(*product.pdf()) : nullptr),
        weights_(product.weights()),
        comments(product.comments_begin(), product.comments_end()),
        counted(false),
        readAttemptCounter(0),
        originalXWGTUP_(product.originalXWGTUP()),
        scales_(product.scales()),
        npLO_(product.npLO()),
        npNLO_(product.npNLO()),
        evtnum_(product.evtnum()) {}

~LHEEvent()

lhef::LHEEvent::~LHEEvent

(

)

Definition at line 140 of file LHEEvent.cc.

{}

Member Function Documentation

addComment()

void lhef::LHEEvent::addComment ( const std::string &  line )

inline

Definition at line 61 of file LHEEvent.h.

References comments, and mps_splice::line.

{ comments.push_back(line); }

addWeight()

void lhef::LHEEvent::addWeight ( const WGT &  wgt )

inline

Definition at line 44 of file LHEEvent.h.

References weights_.

{ weights_.push_back(wgt); }

asHepMCEvent()

std::unique_ptr< HepMC::GenEvent > lhef::LHEEvent::asHepMCEvent

(

)

const

Definition at line 230 of file LHEEvent.cc.

References lhef::HEPEUP::AQCDUP, lhef::HEPEUP::AQEDUP, b1, b2, checkHepMCTree(), pdg::cTau(), findSignalVertex(), GenParticle::GenParticle, AJJGenJetFilter_cfi::genParticles, getHEPRUP(), hepeup, mps_fire::i, lhef::HEPEUP::IDPRUP, dqmiolumiharvest::j, makeHepMCParticle(), lhef::HEPEUP::MOTHUP, lhef::HEPEUP::NUP, lhef::HEPEUP::SCALUP, and lhef::HEPEUP::VTIMUP.

                                                            {
    std::unique_ptr<HepMC::GenEvent> hepmc(new HepMC::GenEvent);

    hepmc->set_signal_process_id(hepeup.IDPRUP);
    hepmc->set_event_scale(hepeup.SCALUP);
    hepmc->set_alphaQED(hepeup.AQEDUP);
    hepmc->set_alphaQCD(hepeup.AQCDUP);

    unsigned int nup = hepeup.NUP;  // particles in event

    // any particles in HEPEUP block?
    if (!nup) {
      edm::LogWarning("Generator|LHEInterface") << "Les Houches Event does not contain any partons. "
                                                << "Not much to convert.";
      return hepmc;
    }

    // stores (pointers to) converted particles
    std::vector<HepMC::GenParticle *> genParticles;
    std::vector<HepMC::GenVertex *> genVertices;

    // I. convert particles
    for (unsigned int i = 0; i < nup; i++)
      genParticles.push_back(makeHepMCParticle(i));

    // II. loop again to build vertices
    for (unsigned int i = 0; i < nup; i++) {
      unsigned int mother1 = hepeup.MOTHUP.at(i).first;
      unsigned int mother2 = hepeup.MOTHUP.at(i).second;
      double cTau = hepeup.VTIMUP.at(i);  // decay time

      // current particle has a mother? --- Sorry, parent! We're PC.
      if (mother1) {
        mother1--;  // FORTRAN notation!
        if (mother2)
          mother2--;
        else
          mother2 = mother1;

        HepMC::GenParticle *in_par = genParticles.at(mother1);
        HepMC::GenVertex *current_vtx = in_par->end_vertex();  // vertex of first mother

        if (!current_vtx) {
          current_vtx = new HepMC::GenVertex(HepMC::FourVector(0, 0, 0, cTau));

          // add vertex to event
          genVertices.push_back(current_vtx);
        }

        for (unsigned int j = mother1; j <= mother2; j++)  // set mother-daughter relations
          if (!genParticles.at(j)->end_vertex())
            current_vtx->add_particle_in(genParticles.at(j));

        // connect THIS outgoing particle to current vertex
        current_vtx->add_particle_out(genParticles.at(i));
      }
    }

    checkHepMCTree(hepmc.get());

    // III. restore color flow
    // ok, nobody knows how to do it so far...

    // IV. fill run information
    const HEPRUP *heprup = getHEPRUP();

    // set beam particles
    HepMC::GenParticle *b1 = new HepMC::GenParticle(
        HepMC::FourVector(0.0, 0.0, +heprup->EBMUP.first, heprup->EBMUP.first), heprup->IDBMUP.first);
    HepMC::GenParticle *b2 = new HepMC::GenParticle(
        HepMC::FourVector(0.0, 0.0, -heprup->EBMUP.second, heprup->EBMUP.second), heprup->IDBMUP.second);
    b1->set_status(3);
    b2->set_status(3);

    HepMC::GenVertex *v1 = new HepMC::GenVertex();
    HepMC::GenVertex *v2 = new HepMC::GenVertex();
    v1->add_particle_in(b1);
    v2->add_particle_in(b2);

    hepmc->add_vertex(v1);
    hepmc->add_vertex(v2);
    hepmc->set_beam_particles(b1, b2);

    // first two particles have to be the hard partons going into the interaction
    if (genParticles.size() >= 2) {
      if (!genParticles.at(0)->production_vertex() && !genParticles.at(1)->production_vertex()) {
        v1->add_particle_out(genParticles.at(0));
        v2->add_particle_out(genParticles.at(1));
      } else
        edm::LogWarning("Generator|LHEInterface") << "Initial partons do already have a"
                                                     " production vertex. "
                                                  << std::endl
                                                  << "Beam particles not connected.";
    } else
      edm::LogWarning("Generator|LHEInterface") << "Can't find any initial partons to be"
                                                   " connected to the beam particles.";

    for (std::vector<HepMC::GenVertex *>::const_iterator iter = genVertices.begin(); iter != genVertices.end(); ++iter)
      hepmc->add_vertex(*iter);

    // do some more consistency checks
    for (unsigned int i = 0; i < nup; i++) {
      if (!genParticles.at(i)->parent_event()) {
        edm::LogWarning("Generator|LHEInterface") << "Not all LHE particles could be stored"
                                                     "  stored in the HepMC event. "
                                                  << std::endl
                                                  << "Check the mother-daughter relations"
                                                     " in the given LHE input file.";
        break;
      }
    }

    hepmc->set_signal_process_vertex(const_cast<HepMC::GenVertex *>(findSignalVertex(hepmc.get(), false)));

    return hepmc;
  }

attempted()

void lhef::LHEEvent::attempted ( )

inline

Definition at line 68 of file LHEEvent.h.

References readAttemptCounter.

                     {
      readAttemptCounter++;
      return;
    }

checkHepMCTree()

bool lhef::LHEEvent::checkHepMCTree ( const HepMC::GenEvent *  event )

staticprivate

Definition at line 360 of file LHEEvent.cc.

References multPhiCorr_741_25nsDY_cfi::px, multPhiCorr_741_25nsDY_cfi::py, and mps_update::status.

Referenced by asHepMCEvent().

                                                          {
    double px = 0, py = 0, pz = 0, E = 0;

    for (HepMC::GenEvent::particle_const_iterator iter = event->particles_begin(); iter != event->particles_end();
         iter++) {
      int status = (*iter)->status();
      HepMC::FourVector fv = (*iter)->momentum();

      // incoming particles
      if (status == 3 && *iter != event->beam_particles().first && *iter != event->beam_particles().second) {
        px -= fv.px();
        py -= fv.py();
        pz -= fv.pz();
        E -= fv.e();
      }

      // outgoing particles
      if (status == 1) {
        px += fv.px();
        py += fv.py();
        pz += fv.pz();
        E += fv.e();
      }
    }

    if (px * px + py * py + pz * pz + E * E > 0.1) {
      edm::LogWarning("Generator|LHEInterface")
          << "Energy-momentum badly conserved. " << std::setprecision(3) << "sum p_i  = [" << std::setw(7) << E << ", "
          << std::setw(7) << px << ", " << std::setw(7) << py << ", " << std::setw(7) << pz << "]";

      return false;
    }

    return true;
  }

count()

void lhef::LHEEvent::count	(	LHERunInfo::CountMode	count,
		double	weight = 1.0,
		double	matchWeight = 1.0
	)

Definition at line 187 of file LHEEvent.cc.

References counted, hepeup, lhef::HEPEUP::IDPRUP, ALCARECOPromptCalibProdSiPixelAli0T_cff::mode, runInfo, and lhef::HEPEUP::XWGTUP.

Referenced by gen::Pythia6Hadronizer::hadronize(), Pythia8HepMC3Hadronizer::hadronize(), and Pythia8Hadronizer::hadronize().

                                                                                  {
    if (counted)
      edm::LogWarning("Generator|LHEInterface") << "LHEEvent::count called twice on same event!" << std::endl;

    runInfo->count(hepeup.IDPRUP, mode, hepeup.XWGTUP, weight, matchWeight);

    counted = true;
  }

evtnum()

int lhef::LHEEvent::evtnum ( ) const

inline

Definition at line 55 of file LHEEvent.h.

References evtnum_.

Referenced by Herwig7Hadronizer::hadronize().

{ return evtnum_; }

fillEventInfo()

void lhef::LHEEvent::fillEventInfo

(

HepMC::GenEvent *

hepmc

)

const

Definition at line 223 of file LHEEvent.cc.

References lhef::HEPEUP::AQCDUP, lhef::HEPEUP::AQEDUP, hepeup, lhef::HEPEUP::IDPRUP, and lhef::HEPEUP::SCALUP.

Referenced by gen::Pythia6Hadronizer::finalizeEvent().

                                                         {
    event->set_signal_process_id(hepeup.IDPRUP);
    event->set_event_scale(hepeup.SCALUP);
    event->set_alphaQED(hepeup.AQEDUP);
    event->set_alphaQCD(hepeup.AQCDUP);
  }

fillPdfInfo()

void lhef::LHEEvent::fillPdfInfo

(

HepMC::PdfInfo *

info

)

const

Definition at line 196 of file LHEEvent.cc.

References funct::abs(), lhef::HEPRUP::EBMUP, getHEPRUP(), hepeup, lhef::HEPEUP::IDUP, info(), lhef::HEPEUP::NUP, pdf, lhef::HEPEUP::PUP, and lhef::HEPEUP::SCALUP.

Referenced by gen::Pythia6Hadronizer::finalizeEvent().

                                                     {
    if (pdf.get()) {
      info->set_id1(pdf->id.first);
      info->set_id2(pdf->id.second);
      info->set_x1(pdf->x.first);
      info->set_x2(pdf->x.second);
      info->set_pdf1(pdf->xPDF.first);
      info->set_pdf2(pdf->xPDF.second);
      info->set_scalePDF(pdf->scalePDF);
    } else if (hepeup.NUP >= 2) {
      const HEPRUP *heprup = getHEPRUP();
      info->set_id1(hepeup.IDUP[0] == 21 ? 0 : hepeup.IDUP[0]);
      info->set_id2(hepeup.IDUP[1] == 21 ? 0 : hepeup.IDUP[1]);
      info->set_x1(std::abs(hepeup.PUP[0][2] / heprup->EBMUP.first));
      info->set_x2(std::abs(hepeup.PUP[1][2] / heprup->EBMUP.second));
      info->set_pdf1(-1.0);
      info->set_pdf2(-1.0);
      info->set_scalePDF(hepeup.SCALUP);
    } else {
      info->set_x1(-1.0);
      info->set_x2(-1.0);
      info->set_pdf1(-1.0);
      info->set_pdf2(-1.0);
      info->set_scalePDF(hepeup.SCALUP);
    }
  }

findSignalVertex()

const HepMC::GenVertex * lhef::LHEEvent::findSignalVertex ( const HepMC::GenEvent *  event, bool  status3 = true  )

static

Definition at line 396 of file LHEEvent.cc.

References multPhiCorr_741_25nsDY_cfi::px, multPhiCorr_741_25nsDY_cfi::py, and bphysicsOniaDQM_cfi::vertex.

Referenced by asHepMCEvent().

                                                                                           {
    double largestMass2 = -9.0e-30;
    const HepMC::GenVertex *vertex = nullptr;
    for (HepMC::GenEvent::vertex_const_iterator iter = event->vertices_begin(); iter != event->vertices_end(); ++iter) {
      if ((*iter)->particles_in_size() < 2)
        continue;
      if ((*iter)->particles_out_size() < 1 ||
          ((*iter)->particles_out_size() == 1 &&
           (!(*(*iter)->particles_out_const_begin())->end_vertex() ||
            !(*(*iter)->particles_out_const_begin())->end_vertex()->particles_out_size())))
        continue;

      double px = 0.0, py = 0.0, pz = 0.0, E = 0.0;
      bool hadStatus3 = false;
      for (HepMC::GenVertex::particles_out_const_iterator iter2 = (*iter)->particles_out_const_begin();
           iter2 != (*iter)->particles_out_const_end();
           ++iter2) {
        hadStatus3 = hadStatus3 || (*iter2)->status() == 3;
        px += (*iter2)->momentum().px();
        py += (*iter2)->momentum().py();
        pz += (*iter2)->momentum().pz();
        E += (*iter2)->momentum().e();
      }
      if (status3 && !hadStatus3)
        continue;

      double mass2 = E * E - (px * px + py * py + pz * pz);
      if (mass2 > largestMass2) {
        vertex = *iter;
        largestMass2 = mass2;
      }
    }

    return vertex;
  }

fixHepMCEventTimeOrdering()

void lhef::LHEEvent::fixHepMCEventTimeOrdering ( HepMC::GenEvent *  event )

static

Definition at line 456 of file LHEEvent.cc.

References lhef::fixSubTree(), and class-composition::visited.

                                                               {
    std::set<const HepMC::GenVertex *> visited;
    HepMC::FourVector zeroTime;
    for (HepMC::GenEvent::vertex_iterator iter = event->vertices_begin(); iter != event->vertices_end(); ++iter)
      fixSubTree(*iter, zeroTime, visited);
  }

getComments()

const std::vector<std::string>& lhef::LHEEvent::getComments ( ) const

inline

Definition at line 41 of file LHEEvent.h.

References comments.

{ return comments; }

getHEPEUP()

const HEPEUP* lhef::LHEEvent::getHEPEUP ( ) const

inline

Definition at line 38 of file LHEEvent.h.

References hepeup.

Referenced by gen::JetMatchingMGFastJet::beforeHadronisation(), gen::TauolappInterface::decay(), gen::FortranCallback::fillEvent(), Py8toJetInput::fillJetAlgoInput(), Py8toJetInputHEPEVT::fillJetAlgoInput(), gen::JetMatchingMGFastJet::match(), and JetMatchingHook::setLHEEvent().

{ return &hepeup; }

getHEPRUP()

const HEPRUP* lhef::LHEEvent::getHEPRUP ( ) const

inline

Definition at line 39 of file LHEEvent.h.

References runInfo.

Referenced by asHepMCEvent(), and fillPdfInfo().

{ return runInfo->getHEPRUP(); }

getPDF()

const PDF* lhef::LHEEvent::getPDF ( ) const

inline

Definition at line 40 of file LHEEvent.h.

References pdf.

{ return pdf.get(); }

getReadAttempts()

const int lhef::LHEEvent::getReadAttempts ( )

inline

Definition at line 42 of file LHEEvent.h.

References readAttemptCounter.

{ return readAttemptCounter; }

getRunInfo()

const std::shared_ptr<LHERunInfo>& lhef::LHEEvent::getRunInfo ( ) const

inline

Definition at line 37 of file LHEEvent.h.

References runInfo.

{ return runInfo; }

makeHepMCParticle()

HepMC::GenParticle * lhef::LHEEvent::makeHepMCParticle ( unsigned int  i ) const

private

Definition at line 347 of file LHEEvent.cc.

References GenParticle::GenParticle, hepeup, mps_fire::i, lhef::HEPEUP::IDUP, lhef::HEPEUP::ISTUP, lhef::HEPEUP::PUP, and mps_update::status.

Referenced by asHepMCEvent().

                                                                    {
    HepMC::GenParticle *particle = new HepMC::GenParticle(
        HepMC::FourVector(hepeup.PUP.at(i)[0], hepeup.PUP.at(i)[1], hepeup.PUP.at(i)[2], hepeup.PUP.at(i)[3]),
        hepeup.IDUP.at(i));

    int status = hepeup.ISTUP.at(i);

    particle->set_generated_mass(hepeup.PUP.at(i)[4]);
    particle->set_status(status > 0 ? (status == 2 ? 3 : status) : 3);

    return particle;
  }

npLO()

int lhef::LHEEvent::npLO ( ) const

inline

Definition at line 53 of file LHEEvent.h.

References npLO_.

{ return npLO_; }

npNLO()

int lhef::LHEEvent::npNLO ( ) const

inline

Definition at line 54 of file LHEEvent.h.

References npNLO_.

{ return npNLO_; }

originalXWGTUP()

double lhef::LHEEvent::originalXWGTUP ( ) const

inline

Definition at line 47 of file LHEEvent.h.

References originalXWGTUP_.

{ return originalXWGTUP_; }

removeParticle()

void lhef::LHEEvent::removeParticle ( lhef::HEPEUP &  hepeup, int  index  )

static

Definition at line 142 of file LHEEvent.cc.

References hepeup, mps_fire::i, lhef::HEPEUP::ICOLUP, lhef::HEPEUP::IDUP, lhef::HEPEUP::ISTUP, lhef::HEPEUP::MOTHUP, lhef::HEPEUP::NUP, lhef::HEPEUP::PUP, lhef::HEPEUP::SPINUP, and lhef::HEPEUP::VTIMUP.

Referenced by removeResonances().

                                                         {
    index--;
    if (index < 0 || index >= hepeup.NUP) {
      edm::LogError("Generator|LHEInterface")
          << "removeParticle: Index " << (index + 1) << " out of bounds." << std::endl;
      return;
    }

    std::pair<int, int> mo = hepeup.MOTHUP[index];

    hepeup.IDUP.erase(hepeup.IDUP.begin() + index);
    hepeup.ISTUP.erase(hepeup.ISTUP.begin() + index);
    hepeup.MOTHUP.erase(hepeup.MOTHUP.begin() + index);
    hepeup.ICOLUP.erase(hepeup.ICOLUP.begin() + index);
    hepeup.PUP.erase(hepeup.PUP.begin() + index);
    hepeup.VTIMUP.erase(hepeup.VTIMUP.begin() + index);
    hepeup.SPINUP.erase(hepeup.SPINUP.begin() + index);

    hepeup.NUP--;

    index++;
    for (int i = 0; i < hepeup.NUP; i++) {
      if (hepeup.MOTHUP[i].first == index) {
        if (hepeup.MOTHUP[i].second > 0)
          edm::LogError("Generator|LHEInterface")
              << "removeParticle: Particle " << (i + 2) << " has two mothers." << std::endl;
        hepeup.MOTHUP[i] = mo;
      }

      if (hepeup.MOTHUP[i].first > index)
        hepeup.MOTHUP[i].first--;
      if (hepeup.MOTHUP[i].second > index)
        hepeup.MOTHUP[i].second--;
    }
  }

removeResonances()

void lhef::LHEEvent::removeResonances

(

const std::vector< int > &

ids

)

Definition at line 178 of file LHEEvent.cc.

References funct::abs(), spr::find(), hepeup, mps_fire::i, EcalPhiSymFlatTableProducers_cfi::id, lhef::HEPEUP::IDUP, lhef::HEPEUP::MOTHUP, lhef::HEPEUP::NUP, and removeParticle().

                                                           {
    for (int i = 1; i <= hepeup.NUP; i++) {
      int id = std::abs(hepeup.IDUP[i - 1]);
      if (hepeup.MOTHUP[i - 1].first > 0 && hepeup.MOTHUP[i - 1].second > 0 &&
          std::find(ids.begin(), ids.end(), id) != ids.end())
        removeParticle(hepeup, i--);
    }
  }

scales()

const std::vector<float>& lhef::LHEEvent::scales ( ) const

inline

Definition at line 50 of file LHEEvent.h.

References scales_.

Referenced by setScales().

{ return scales_; }

setEvtNum()

void lhef::LHEEvent::setEvtNum ( int  n )

inline

Definition at line 59 of file LHEEvent.h.

References evtnum_, and create_idmaps::n.

{ evtnum_ = n; }

setNpLO()

void lhef::LHEEvent::setNpLO ( int  n )

inline

Definition at line 57 of file LHEEvent.h.

References create_idmaps::n, and npLO_.

{ npLO_ = n; }

setNpNLO()

void lhef::LHEEvent::setNpNLO ( int  n )

inline

Definition at line 58 of file LHEEvent.h.

References create_idmaps::n, and npNLO_.

{ npNLO_ = n; }

setPDF()

void lhef::LHEEvent::setPDF ( std::unique_ptr< PDF >  pdf )

inline

Definition at line 45 of file LHEEvent.h.

References eostools::move(), and pdf.

{ this->pdf = std::move(pdf); }

setScales()

void lhef::LHEEvent::setScales ( const std::vector< float > &  scales )

inline

Definition at line 51 of file LHEEvent.h.

References scales(), and scales_.

{ scales_ = scales; }

weights()

const std::vector<WGT>& lhef::LHEEvent::weights ( ) const

inline

Definition at line 48 of file LHEEvent.h.

References weights_.

{ return weights_; }

Member Data Documentation

comments

std::vector<std::string> lhef::LHEEvent::comments

private

Definition at line 91 of file LHEEvent.h.

Referenced by addComment(), getComments(), and LHEEvent().

counted

bool lhef::LHEEvent::counted

private

Definition at line 92 of file LHEEvent.h.

Referenced by count().

evtnum_

int lhef::LHEEvent::evtnum_

private

Definition at line 98 of file LHEEvent.h.

Referenced by evtnum(), and setEvtNum().

hepeup

HEPEUP lhef::LHEEvent::hepeup

private

Definition at line 88 of file LHEEvent.h.

Referenced by asHepMCEvent(), count(), fillEventInfo(), fillPdfInfo(), getHEPEUP(), LHEEvent(), makeHepMCParticle(), removeParticle(), and removeResonances().

npLO_

int lhef::LHEEvent::npLO_

private

Definition at line 96 of file LHEEvent.h.

Referenced by npLO(), and setNpLO().

npNLO_

int lhef::LHEEvent::npNLO_

private

Definition at line 97 of file LHEEvent.h.

Referenced by npNLO(), and setNpNLO().

originalXWGTUP_

double lhef::LHEEvent::originalXWGTUP_

private

Definition at line 94 of file LHEEvent.h.

Referenced by LHEEvent(), and originalXWGTUP().

pdf

std::unique_ptr<PDF> lhef::LHEEvent::pdf

private

Definition at line 89 of file LHEEvent.h.

Referenced by fillPdfInfo(), getPDF(), LHEEvent(), and setPDF().

readAttemptCounter

int lhef::LHEEvent::readAttemptCounter

private

Definition at line 93 of file LHEEvent.h.

Referenced by attempted(), and getReadAttempts().

runInfo

const std::shared_ptr<LHERunInfo> lhef::LHEEvent::runInfo

private

Definition at line 86 of file LHEEvent.h.

Referenced by count(), getHEPRUP(), getRunInfo(), and LHEEvent().

scales_

std::vector<float> lhef::LHEEvent::scales_

private

Definition at line 95 of file LHEEvent.h.

Referenced by scales(), and setScales().

weights_

std::vector<WGT> lhef::LHEEvent::weights_

private

Definition at line 90 of file LHEEvent.h.

Referenced by addWeight(), and weights().