#include <Pythia6JetGun.h>

Inheritance diagram for gen::Pythia6JetGun:

Public Member Functions
	Pythia6JetGun (const edm::ParameterSet &)

	~Pythia6JetGun () override

Public Member Functions inherited from gen::Pythia6ParticleGun
	Pythia6ParticleGun (const edm::ParameterSet &)

	~Pythia6ParticleGun () override

Public Member Functions inherited from gen::Pythia6Gun
void	beginJob () override

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

void	beginRun (edm::Run const &, edm::EventSetup const &) override

void	endRun (edm::Run const &, edm::EventSetup const &) override

void	produce (edm::Event &, const edm::EventSetup &) override

	Pythia6Gun (const edm::ParameterSet &)

	~Pythia6Gun () override

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

SerialTaskQueue *	globalLuminosityBlocksQueue ()

SerialTaskQueue *	globalRunsQueue ()

ModuleDescription const &	moduleDescription () const

	~EDProducer () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Protected Member Functions
void	generateEvent (CLHEP::HepRandomEngine *) override

Protected Member Functions inherited from gen::Pythia6Gun
HepMC::GenParticle *	addAntiParticle (int &, int &, double &, double &, double &)

void	attachPy6DecaysToGenEvent ()

void	loadEvent (edm::Event &)

Protected Member Functions inherited from edm::ProducerBase
ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Private Attributes
double	fMaxE

double	fMaxEta

double	fMaxP

double	fMinE

double	fMinEta

double	fMinP

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

static bool	wantsGlobalLuminosityBlocks ()

static bool	wantsGlobalRuns ()

static bool	wantsStreamLuminosityBlocks ()

static bool	wantsStreamRuns ()

Protected Attributes inherited from gen::Pythia6ParticleGun
std::vector< int >	fPartIDs

Protected Attributes inherited from gen::Pythia6Gun
HepMC::GenEvent *	fEvt

bool	fHepMCVerbosity

int	fMaxEventsToPrint

double	fMaxPhi

double	fMinPhi

std::vector< int >	fPartIDs

Pythia6Service *	fPy6Service

int	fPylistVerbosity

Detailed Description

Definition at line 12 of file Pythia6JetGun.h.

Constructor & Destructor Documentation

Pythia6JetGun::Pythia6JetGun ( const edm::ParameterSet & pset )

Definition at line 18 of file Pythia6JetGun.cc.

References fMaxE, fMaxEta, fMaxP, fMinE, fMinEta, fMinP, and edm::ParameterSet::getParameter().

     : Pythia6ParticleGun(pset), fMinEta(0.), fMaxEta(0.), fMinE(0.), fMaxE(0.), fMinP(0.), fMaxP(0.) {
   ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters");
   fMinEta = pgun_params.getParameter<double>("MinEta");
   fMaxEta = pgun_params.getParameter<double>("MaxEta");
   fMinE = pgun_params.getParameter<double>("MinE");
   fMaxE = pgun_params.getParameter<double>("MaxE");
   fMinP = pgun_params.getParameter<double>("MinP");
   fMaxP = pgun_params.getParameter<double>("MaxP");
 }

Pythia6JetGun::~Pythia6JetGun ( )

override

Definition at line 29 of file Pythia6JetGun.cc.

29 {}

Member Function Documentation

void Pythia6JetGun::generateEvent ( CLHEP::HepRandomEngine * )

overrideprotectedvirtual

Implements gen::Pythia6Gun.

Definition at line 31 of file Pythia6JetGun.cc.

References funct::cos(), DEFINE_FWK_MODULE, PVValHelper::eta, JetChargeProducer_cfi::exp, gen::Pythia6Gun::fEvt, dqmdumpme::first, fMaxE, fMaxEta, fMaxP, gen::Pythia6Gun::fMaxPhi, fMinE, fMinEta, fMinP, gen::Pythia6Gun::fMinPhi, gen::Pythia6ParticleGun::fPartIDs, gen::Pythia6Gun::fPy6Service, GenParticle::GenParticle, mps_fire::i, dqmdumpme::last, M_PI, EgHLTOffHistBins_cfi::mass, gen::p, EgammaObjectsElectrons_cfi::particleID, createTree::pp, gen::py1ent_(), gen::pyexec_(), gen::pymass_(), gen::pyr_(), gen::pyrobo_(), funct::sin(), and mathSSE::sqrt().

                                                        {
   Pythia6Service::InstanceWrapper guard(fPy6Service);  // grab Py6 instance
 
   // now actualy, start cooking up the event gun
   //
 
   // 1st, primary vertex
   //
   HepMC::GenVertex* Vtx = new HepMC::GenVertex(HepMC::FourVector(0., 0., 0.));
 
   // here re-create fEvt (memory)
   //
   fEvt = new HepMC::GenEvent();
 
   int ip = 1;
   double totPx = 0.;
   double totPy = 0.;
   double totPz = 0.;
   double totE = 0.;
   double totM = 0.;
   double phi, eta, the, ee, pp;
   int dum = 0;
   for (size_t i = 0; i < fPartIDs.size(); i++) {
     int particleID = fPartIDs[i];  // this is PDG - need to convert to Py6 !!!
     int py6PID = HepPID::translatePDTtoPythia(particleID);
 
     // internal numbers
     //
     phi = 2. * M_PI * pyr_(&dum);
     the = std::acos(-1. + 2. * pyr_(&dum));
 
     // from input
     //
     ee = (fMaxE - fMinE) * pyr_(&dum) + fMinE;
 
     // fill p(ip,5) (in PYJETS) with mass value right now,
     // because the (hardcoded) mstu(10)=1 will make py1ent
     // pick the mass from there
     double mass = pymass_(py6PID);
     pyjets.p[4][ip - 1] = mass;
 
     // add entry to py6
     //
     py1ent_(ip, py6PID, ee, the, phi);
 
     // values for computing total mass
     //
     totPx += pyjets.p[0][ip - 1];
     totPy += pyjets.p[1][ip - 1];
     totPz += pyjets.p[2][ip - 1];
     totE += pyjets.p[3][ip - 1];
 
     ip++;
 
   }  // end forming up py6 record of the jet
 
   // compute total mass
   //
   totM = std::sqrt(totE * totE - (totPx * totPx + totPy * totPy + totPz * totPz));
 
   //now the boost (from input params)
   //
   pp = (fMaxP - fMinP) * pyr_(&dum) + fMinP;
   ee = std::sqrt(totM * totM + pp * pp);
 
   //the boost direction (from input params)
   //
   phi = (fMaxPhi - fMinPhi) * pyr_(&dum) + fMinPhi;
   eta = (fMaxEta - fMinEta) * pyr_(&dum) + fMinEta;
   the = 2. * atan(exp(-eta));
 
   double betaX = pp / ee * std::sin(the) * std::cos(phi);
   double betaY = pp / ee * std::sin(the) * std::sin(phi);
   double betaZ = pp / ee * std::cos(the);
 
   // boost all particles
   // the first 2 params (-1) tell to boost all (fisrt-to-last),
   // and the next 2 params (0.) tell no rotation
   //
   int first = -1, last = -1;
   double rothe = 0, rophi = 0.;
 
   pyrobo_(first, last, rothe, rophi, betaX, betaY, betaZ);
 
   // event should be formed from boosted record !!!
   // that's why additional loop
   //
   for (int i = 0; i < pyjets.n; i++) {
     HepMC::FourVector p(pyjets.p[0][i], pyjets.p[1][i], pyjets.p[2][i], pyjets.p[3][i]);
     HepMC::GenParticle* Part = new HepMC::GenParticle(p, HepPID::translatePythiatoPDT(pyjets.k[1][i]), 1);
     Part->suggest_barcode(i + 1);
     Vtx->add_particle_out(Part);
   }
   fEvt->add_vertex(Vtx);
 
   // run pythia
   pyexec_();
 
   return;
 }