#include <MultiParticleInConeGunProducer.h>

Inheritance diagram for edm::MultiParticleInConeGunProducer:

Public Member Functions
	MultiParticleInConeGunProducer (const ParameterSet &)

	~MultiParticleInConeGunProducer () 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

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () 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

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 Attributes
std::vector< int >	fInConeIds

double	fInConeMaxEta

double	fInConeMaxPhi

unsigned int	fInConeMaxTry

double	fInConeMinEta

double	fInConeMinPhi

double	fMaxDeltaR

double	fMaxMomRatio

double	fMaxPt

double	fMinDeltaR

double	fMinMomRatio

double	fMinPt

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

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

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)

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)

Detailed Description

Definition at line 14 of file MultiParticleInConeGunProducer.h.

Constructor & Destructor Documentation

MultiParticleInConeGunProducer::MultiParticleInConeGunProducer ( const ParameterSet & pset )

Definition at line 22 of file MultiParticleInConeGunProducer.cc.

References fInConeIds, fInConeMaxEta, fInConeMaxPhi, fInConeMaxTry, fInConeMinEta, fInConeMinPhi, fMaxDeltaR, fMaxMomRatio, fMaxPt, fMinDeltaR, fMinMomRatio, fMinPt, and edm::ParameterSet::getParameter().

                                                                                        : BaseFlatGunProducer(pset) {
   ParameterSet defpset;
   ParameterSet pgun_params = pset.getParameter<ParameterSet>("PGunParameters");
 
   fMinPt = pgun_params.getParameter<double>("MinPt");
   fMaxPt = pgun_params.getParameter<double>("MaxPt");
 
   fInConeIds = pgun_params.getParameter<vector<int> >("InConeID");
   fMinDeltaR = pgun_params.getParameter<double>("MinDeltaR");
   fMaxDeltaR = pgun_params.getParameter<double>("MaxDeltaR");
   fMinMomRatio = pgun_params.getParameter<double>("MinMomRatio");
   fMaxMomRatio = pgun_params.getParameter<double>("MaxMomRatio");
 
   fInConeMinEta = pgun_params.getParameter<double>("InConeMinEta");
   fInConeMaxEta = pgun_params.getParameter<double>("InConeMaxEta");
   fInConeMinPhi = pgun_params.getParameter<double>("InConeMinPhi");
   fInConeMaxPhi = pgun_params.getParameter<double>("InConeMaxPhi");
   fInConeMaxTry = pgun_params.getParameter<unsigned int>("InConeMaxTry");
 
   produces<HepMCProduct>("unsmeared");
   produces<GenEventInfoProduct>();
 }

MultiParticleInConeGunProducer::~MultiParticleInConeGunProducer ( )

override

Definition at line 45 of file MultiParticleInConeGunProducer.cc.

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

Member Function Documentation

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

overrideprivate

Definition at line 49 of file MultiParticleInConeGunProducer.cc.

                                                                            {
   edm::Service<edm::RandomNumberGenerator> rng;
   CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());
 
   if (fVerbosity > 0) {
     cout << " MultiParticleInConeGunProducer : 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
   //
   // 1st, primary vertex
   //
   //HepMC::GenVertex* Vtx = new HepMC::GenVertex(CLHEP::HepLorentzVector(0.,0.,0.));
   HepMC::GenVertex* Vtx = new HepMC::GenVertex(HepMC::FourVector(0., 0., 0.));
 
   // loop over particles
   //
   int barcode = 1;
   for (unsigned int ip = 0; ip < fPartIDs.size(); ++ip) {
     double pt = CLHEP::RandFlat::shoot(engine, fMinPt, fMaxPt);
     double eta = CLHEP::RandFlat::shoot(engine, fMinEta, fMaxEta);
     double phi = CLHEP::RandFlat::shoot(engine, fMinPhi, fMaxPhi);
     int PartID = fPartIDs[ip];
     const HepPDT::ParticleData* PData = fPDGTable->particle(HepPDT::ParticleID(abs(PartID)));
     double mass = PData->mass().value();
     double theta = 2. * atan(exp(-eta));
     double mom = pt / sin(theta);
     double px = pt * cos(phi);
     double py = pt * sin(phi);
     double pz = mom * cos(theta);
     double energy2 = mom * mom + 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++;
     Vtx->add_particle_out(Part);
 
     if (fAddAntiParticle) {
     }
 
     // now add the particles in the cone
     for (unsigned iPic = 0; iPic != fInConeIds.size(); iPic++) {
       unsigned int nTry = 0;
       while (true) {
         //shoot flat Deltar
         double dR = CLHEP::RandFlat::shoot(engine, fMinDeltaR, fMaxDeltaR);
         //shoot flat eta/phi mixing
         double alpha = CLHEP::RandFlat::shoot(engine, -3.14159265358979323846, 3.14159265358979323846);
         double dEta = dR * cos(alpha);
         double dPhi = dR * sin(alpha);
 
         /*
        //shoot Energy of associated particle     
        double energyIc = CLHEP::RandFlat::shoot(engine, fMinEInCone, fMaxEInCone);
        if (mom2Ic>0){ momIC = sqrt(mom2Ic);}
        */
         //   get kinematics
         double etaIc = eta + dEta;
         double phiIc = phi + dPhi;
         //put it back in -Pi:Pi if necessary. multiple time might be necessary if dR > 3
         const unsigned int maxL = 100;
         unsigned int iL = 0;
         while (iL++ < maxL) {
           if (phiIc > 3.14159265358979323846)
             phiIc -= 2 * 3.14159265358979323846;
           else if (phiIc < -3.14159265358979323846)
             phiIc += 2 * 3.14159265358979323846;
 
           if (abs(phiIc) < 3.14159265358979323846)
             break;
         }
 
         //allow to skip it if you did not run out of possible drawing
         if (nTry++ <= fInConeMaxTry) {
           //draw another one if this one is not in acceptance
           if (etaIc < fInConeMinEta || etaIc > fInConeMaxEta)
             continue;
           if (phiIc < fInConeMinPhi || phiIc > fInConeMaxPhi)
             continue;
         } else {
           if (fVerbosity > 0) {
             cout << " MultiParticleInConeGunProducer : could not produce a particle " << fInConeIds[iPic] << " in cone "
                  << fMinDeltaR << " to " << fMaxDeltaR << " within the " << fInConeMaxTry << " allowed tries." << endl;
           }
           /*         edm::LogError("MultiParticleInConeGunProducer")<< " MultiParticleInConeGunProducer : could not produce a particle "<<
            fInConeIds[iPic]<<" in cone "<<
            fMinDeltaR<<" to "<<fMaxDeltaR<<" within the "<<fInConeMaxTry<<" allowed tries.";*/
         }
         int PartIDIc = fInConeIds[iPic];
         const HepPDT::ParticleData* PDataIc = fPDGTable->particle(HepPDT::ParticleID(abs(PartIDIc)));
 
         //shoot momentum ratio
         double momR = CLHEP::RandFlat::shoot(engine, fMinMomRatio, fMaxMomRatio);
         double massIc = PDataIc->mass().value();
         double momIc = momR * mom;
         double energyIc = sqrt(momIc * momIc + massIc * massIc);
 
         double thetaIc = 2. * atan(exp(-etaIc));
         double pxIc = momIc * sin(thetaIc) * cos(phiIc);
         double pyIc = momIc * sin(thetaIc) * sin(phiIc);
         double pzIc = momIc * cos(thetaIc);
 
         HepMC::FourVector pIc(pxIc, pyIc, pzIc, energyIc);
         HepMC::GenParticle* PartIc = new HepMC::GenParticle(pIc, PartIDIc, 1);
         PartIc->suggest_barcode(barcode);
         barcode++;
         Vtx->add_particle_out(PartIc);
         break;
       }  //try many times while not in acceptance
     }    //loop over the particle Ids in the cone
   }
 
   fEvt->add_vertex(Vtx);
   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 << " MultiParticleInConeGunProducer : Event Generation Done " << endl;
   }
 }