edm::ExpoRandomPGunProducer Class Reference

#include <ExpoRandomPGunProducer.h>

Inheritance diagram for edm::ExpoRandomPGunProducer:

Public Member Functions
	ExpoRandomPGunProducer (const ParameterSet &pset)
	~ExpoRandomPGunProducer () 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	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () 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
double	fMaxP
double	fMinP
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::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 16 of file ExpoRandomPGunProducer.h.

Constructor & Destructor Documentation

ExpoRandomPGunProducer::ExpoRandomPGunProducer

(

const ParameterSet &

pset

)

Definition at line 23 of file ExpoRandomPGunProducer.cc.

References fMaxP, fMinP, and edm::ParameterSet::getParameter().

                                                                       :
   BaseFlatGunProducer(pset)
{


   ParameterSet defpset ;
   ParameterSet pgun_params =
      pset.getParameter<ParameterSet>("PGunParameters") ;

   fMinP = pgun_params.getParameter<double>("MinP");
   fMaxP = pgun_params.getParameter<double>("MaxP");

   produces<HepMCProduct>("unsmeared");
   produces<GenEventInfoProduct>();

}

ExpoRandomPGunProducer::~ExpoRandomPGunProducer ( )

override

Definition at line 40 of file ExpoRandomPGunProducer.cc.

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

Member Function Documentation

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

overrideprivate

Definition at line 45 of file ExpoRandomPGunProducer.cc.

References funct::abs(), funct::cos(), gather_cfg::cout, PVValHelper::eta, edm::EventID::event(), JetChargeProducer_cfi::exp, f, edm::BaseFlatGunProducer::fAddAntiParticle, edm::BaseFlatGunProducer::fEvt, edm::BaseFlatGunProducer::fMaxEta, fMaxP, edm::BaseFlatGunProducer::fMaxPhi, edm::BaseFlatGunProducer::fMinEta, fMinP, edm::BaseFlatGunProducer::fMinPhi, edm::BaseFlatGunProducer::fPartIDs, edm::BaseFlatGunProducer::fPDGTable, edm::BaseFlatGunProducer::fVerbosity, particlelevel_cff::genEventInfo, GenParticle::GenParticle, edm::RandomNumberGenerator::getEngine(), edm::EventBase::id(), ResonanceBuilder::mass, eostools::move(), AlCaHLTBitMon_ParallelJobs::p, source_particleGun_cfi::ParticleID, CastorDigiValidation::PartID, EnergyCorrector::pt, edm::Event::put(), funct::sin(), mathSSE::sqrt(), edm::Event::streamID(), and theta().

{
   edm::Service<edm::RandomNumberGenerator> rng;
   CLHEP::HepRandomEngine* engine = &rng->getEngine(e.streamID());
  
   if ( fVerbosity > 0 )
   {
     std::cout << " ExpoRandomPGunProducer : Begin New Event Generation"
               << std::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 pmom   = CLHEP::RandFlat::shoot(engine, fMinP, fMaxP);
     double y      = (1./fMinP) * CLHEP::RandFlat::shoot(engine, 0.0, 1.0);
     double f      = 1./pmom;
     bool   accpt  = ( y < f);
     //shoot until in the designated range                             
     while ((pmom < fMinP || pmom > fMaxP) || !accpt)
       {
         pmom   = CLHEP::RandFlat::shoot(engine, fMinP, fMaxP);
         y      = (1./fMinP) * CLHEP::RandFlat::shoot(engine, 0.0, 1.0);
         f      = 1./pmom;
         accpt  = (y < f);
     
       }

       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    = pmom;
       double pt     = mom * 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) ;
       //CLHEP::Hep3Vector p(px,py,pz) ;
       //HepMC::GenParticle* Part =
       //    new HepMC::GenParticle(CLHEP::HepLorentzVector(p,energy),PartID,1);                                              
       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 )
       {
          //CLHEP::Hep3Vector ap(-px,-py,-pz) ;
          HepMC::FourVector ap(-px,-py,-pz,energy) ;
          int APartID = -PartID ;
          if ( PartID == 22 || PartID == 23 )
          {
             APartID = PartID ;
          }
          //HepMC::GenParticle* APart =
          //   new HepMC::GenParticle(CLHEP::HepLorentzVector(ap,energy),APartID,1);                                          
          HepMC::GenParticle* APart =
             new HepMC::GenParticle(ap,APartID,1);
          APart->suggest_barcode( barcode ) ;
          barcode++ ;
          Vtx->add_particle_out(APart) ;
       }

   }

   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 )
   {
      // for testing purpose only
      // fEvt->print() ; // prints empty info after it's made into edm::Event                                                 
     std::cout << " FlatRandomPGunProducer : Event Generation Done " << std::endl;
   }
}

Member Data Documentation

double edm::ExpoRandomPGunProducer::fMaxP

protected

Definition at line 32 of file ExpoRandomPGunProducer.h.

Referenced by ExpoRandomPGunProducer(), and produce().

double edm::ExpoRandomPGunProducer::fMinP

protected

Definition at line 31 of file ExpoRandomPGunProducer.h.

Referenced by ExpoRandomPGunProducer(), and produce().