#include <FlatRandomPtAndDxyGunProducer.h>

Inheritance diagram for edm::FlatRandomPtAndDxyGunProducer:

Public Member Functions
	FlatRandomPtAndDxyGunProducer (const ParameterSet &pset)

void	produce (Event &e, const EventSetup &es) override

	~FlatRandomPtAndDxyGunProducer () override

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

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

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

void	endRunProduce (edm::Run &r, const edm::EventSetup &) override

	~BaseFlatGunProducer () override

Public Member Functions inherited from edm::one::EDProducer< one::WatchRuns, EndRunProducer >
	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)

Private Attributes
double	ConeH_

double	ConeRadius_

double	DistanceToAPEX_

double	dxyMax_

double	dxyMin_

double	fMaxPt

double	fMinPt

double	lxyMax_

double	lzMax_

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 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)

Protected Attributes inherited from edm::BaseFlatGunProducer
bool	fAddAntiParticle

HepMC::GenEvent *	fEvt

double	fMaxEta

double	fMaxPhi

double	fMinEta

double	fMinPhi

std::vector< int >	fPartIDs

ESHandle < HepPDT::ParticleDataTable >	fPDGTable

int	fVerbosity

Detailed Description

Definition at line 24 of file FlatRandomPtAndDxyGunProducer.h.

Constructor & Destructor Documentation

FlatRandomPtAndDxyGunProducer::FlatRandomPtAndDxyGunProducer ( const ParameterSet & pset )

Definition at line 18 of file FlatRandomPtAndDxyGunProducer.cc.

References ConeH_, ConeRadius_, DistanceToAPEX_, dxyMax_, dxyMin_, fMaxPt, fMinPt, edm::ParameterSet::getParameter(), lxyMax_, and lzMax_.

                                                                                      : BaseFlatGunProducer(pset) {
   ParameterSet defpset;
   ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters");
 
   fMinPt = pgun_params.getParameter<double>("MinPt");
   fMaxPt = pgun_params.getParameter<double>("MaxPt");
   dxyMin_ = pgun_params.getParameter<double>("dxyMin");
   dxyMax_ = pgun_params.getParameter<double>("dxyMax");
   lxyMax_ = pgun_params.getParameter<double>("LxyMax");
   lzMax_ = pgun_params.getParameter<double>("LzMax");
   ConeRadius_ = pgun_params.getParameter<double>("ConeRadius");
   ConeH_ = pgun_params.getParameter<double>("ConeH");
   DistanceToAPEX_ = pgun_params.getParameter<double>("DistanceToAPEX");
 
   produces<HepMCProduct>("unsmeared");
   produces<GenEventInfoProduct>();
 }

FlatRandomPtAndDxyGunProducer::~FlatRandomPtAndDxyGunProducer ( )

override

Definition at line 36 of file FlatRandomPtAndDxyGunProducer.cc.

                                                               {
   // no need to cleanup GenEvent memory - done in HepMCProduct
 }

Member Function Documentation

void FlatRandomPtAndDxyGunProducer::produce	(	Event &	e,
		const EventSetup &	es
	)

overridevirtual

Implements edm::one::EDProducerBase.

Definition at line 40 of file FlatRandomPtAndDxyGunProducer.cc.

                                                                           {
   edm::Service<edm::RandomNumberGenerator> rng;
   CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());
 
   if (fVerbosity > 0) {
     cout << " FlatRandomPtAndDxyGunProducer : Begin New Event Generation" << endl;
   }
   // event loop (well, another step in it...)
 
   // no need to clean up GenEvent memory - done in HepMCProduct
   //
 
   // here re-create fEvt (memory)
   //
   fEvt = new HepMC::GenEvent();
 
   // now actualy, cook up the event from PDGTable and gun parameters
   int barcode = 1;
   for (unsigned int ip = 0; ip < fPartIDs.size(); ++ip) {
     double phi_vtx = 0;
     double dxy = 0;
     double pt = 0;
     double eta = 0;
     double px = 0;
     double py = 0;
     double pz = 0;
     double vx = 0;
     double vy = 0;
     double vz = 0;
     double lxy = 0;
 
     bool passLoop = false;
     while (not passLoop) {
       bool passLxy = false;
       bool passLz = false;
       phi_vtx = CLHEP::RandFlat::shoot(engine, fMinPhi, fMaxPhi);
       dxy = CLHEP::RandFlat::shoot(engine, dxyMin_, dxyMax_);
       float dxysign = CLHEP::RandFlat::shoot(engine, -1, 1);
       if (dxysign < 0)
         dxy = -dxy;
       pt = CLHEP::RandFlat::shoot(engine, fMinPt, fMaxPt);
       px = pt * cos(phi_vtx);
       py = pt * sin(phi_vtx);
       for (int i = 0; i < 10000; i++) {
         vx = CLHEP::RandFlat::shoot(engine, -lxyMax_, lxyMax_);
         vy = (pt * dxy + vx * py) / px;
         lxy = sqrt(vx * vx + vy * vy);
         if (lxy < abs(lxyMax_) and (vx * px + vy * py) > 0) {
           passLxy = true;
           break;
         }
       }
       eta = CLHEP::RandFlat::shoot(engine, fMinEta, fMaxEta);
       pz = pt * sinh(eta);
       //vz = fabs(fRandomGaussGenerator->fire(0.0, LzWidth_/2.0));
       float ConeTheta = ConeRadius_ / ConeH_;
       for (int j = 0; j < 100; j++) {
         vz = CLHEP::RandFlat::shoot(engine, 0.0, lzMax_);  // this is abs(vz)
         float v0 = vz - DistanceToAPEX_;
         if (v0 <= 0 or lxy * lxy / (ConeTheta * ConeTheta) > v0 * v0) {
           passLz = true;
           break;
         }
       }
       if (pz < 0)
         vz = -vz;
       passLoop = (passLxy and passLz);
 
       if (passLoop)
         break;
     }
 
     float time = sqrt(vx * vx + vy * vy + vz * vz);
 
     HepMC::GenVertex* Vtx1 = new HepMC::GenVertex(HepMC::FourVector(vx, vy, vz, time));
 
     int PartID = fPartIDs[ip];
     const HepPDT::ParticleData* PData = fPDGTable->particle(HepPDT::ParticleID(abs(PartID)));
     double mass = PData->mass().value();
     double energy2 = px * px + py * py + pz * pz + mass * mass;
     double energy = sqrt(energy2);
     HepMC::FourVector p(px, py, pz, energy);
     HepMC::GenParticle* Part = new HepMC::GenParticle(p, PartID, 1);
     Part->suggest_barcode(barcode);
     barcode++;
     Vtx1->add_particle_out(Part);
     fEvt->add_vertex(Vtx1);
 
     if (fAddAntiParticle) {
       HepMC::GenVertex* Vtx2 = new HepMC::GenVertex(HepMC::FourVector(-vx, -vy, -vz, time));
       HepMC::FourVector ap(-px, -py, -pz, energy);
       int APartID = -PartID;
       if (PartID == 22 || PartID == 23) {
         APartID = PartID;
       }
       HepMC::GenParticle* APart = new HepMC::GenParticle(ap, APartID, 1);
       APart->suggest_barcode(barcode);
       barcode++;
       Vtx2->add_particle_out(APart);
       fEvt->add_vertex(Vtx2);
     }
   }
   fEvt->set_event_number(e.id().event());
   fEvt->set_signal_process_id(20);
 
   if (fVerbosity > 0) {
     fEvt->print();
   }
 
   unique_ptr<HepMCProduct> BProduct(new HepMCProduct());
   BProduct->addHepMCData(fEvt);
   e.put(std::move(BProduct), "unsmeared");
 
   unique_ptr<GenEventInfoProduct> genEventInfo(new GenEventInfoProduct(fEvt));
   e.put(std::move(genEventInfo));
 
   if (fVerbosity > 0) {
     cout << " FlatRandomPtAndDxyGunProducer : End New Event Generation" << endl;
     fEvt->print();
   }
 }