#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	endLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &) final

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::one::EDProducer< edm::one::WatchLuminosityBlocks, edm::one::WatchRuns, edm::one::SharedResources >
	EDProducer ()=default

	EDProducer (const EDProducer &)=delete

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

const EDProducer &	operator= (const EDProducer &)=delete

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsInputProcessBlocks () const final

bool	wantsProcessBlocks () const final

Public Member Functions inherited from edm::one::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const

bool	wantsStreamRuns () const

	~EDProducerBase () 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

std::vector< ESProxyIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const

std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (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::array< std::vector< ModuleDescription const * > , NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, 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

void	selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)

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)

template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept

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<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept

template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag) noexcept

template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...

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)

void	resetItemsToGetFrom (BranchType iType)

Private Attributes
double	fMaxE

double	fMaxEta

double	fMaxP

double	fMinE

double	fMinEta

double	fMinP

Additional Inherited Members
Public Types inherited from edm::one::EDProducerBase
typedef EDProducerBase	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::one::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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 17 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 28 of file Pythia6JetGun.cc.

28 {}

Member Function Documentation

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

overrideprotectedvirtual

Implements gen::Pythia6Gun.

Definition at line 30 of file Pythia6JetGun.cc.

References funct::cos(), PVValHelper::eta, funct::exp(), gen::Pythia6Gun::fEvt, 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, ResonanceBuilder::mass, gen::p, 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;
 }