#include <Pythia6PtYDistGun.h>

Inheritance diagram for gen::Pythia6PtYDistGun:

Public Member Functions
	Pythia6PtYDistGun (const edm::ParameterSet &)

virtual	~Pythia6PtYDistGun ()

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

virtual	~Pythia6ParticleGun ()

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 &)

virtual	~Pythia6Gun ()

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

ModuleDescription const &	moduleDescription () const

virtual	~EDProducer ()

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

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

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

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

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

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

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

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

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
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

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 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
PtYDistributor *	fPtYGenerator

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

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
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 14 of file Pythia6PtYDistGun.h.

Constructor & Destructor Documentation

Pythia6PtYDistGun::Pythia6PtYDistGun ( const edm::ParameterSet & pset )

Definition at line 19 of file Pythia6PtYDistGun.cc.

References fPtYGenerator, and edm::ParameterSet::getParameter().

                                                                :
    Pythia6ParticleGun(pset), fPtYGenerator(0)
 {
    
    ParameterSet pgun_params = 
       pset.getParameter<ParameterSet>("PGunParameters"); 
    
    fPtYGenerator = new PtYDistributor( pgun_params.getParameter<FileInPath>("kinematicsFile"),
                        pgun_params.getParameter<double>("MaxPt"),
                                        pgun_params.getParameter<double>("MinPt"),
                        pgun_params.getParameter<double>("MaxY"), 
                        pgun_params.getParameter<double>("MinY"), 
                        pgun_params.getParameter<int>("PtBinning"), 
                        pgun_params.getParameter<int>("YBinning") );
 }

Pythia6PtYDistGun::~Pythia6PtYDistGun ( )

virtual

Definition at line 35 of file Pythia6PtYDistGun.cc.

References fPtYGenerator.

 {
    if ( fPtYGenerator ) delete fPtYGenerator;
 }

Member Function Documentation

void Pythia6PtYDistGun::generateEvent ( CLHEP::HepRandomEngine * engine )

protectedvirtual

Implements gen::Pythia6Gun.

Definition at line 40 of file Pythia6PtYDistGun.cc.

References create_public_lumi_plots::exp, gen::Pythia6Gun::fEvt, gen::PtYDistributor::firePt(), gen::PtYDistributor::fireY(), gen::Pythia6Gun::fMaxPhi, gen::Pythia6Gun::fMinPhi, gen::Pythia6ParticleGun::fPartIDs, fPtYGenerator, gen::Pythia6Gun::fPy6Service, configurableAnalysis::GenParticle, i, M_PI, gen::p, phi, RecoTauCleanerPlugins::pt, gen::py1ent_(), gen::pyexec_(), gen::pymass_(), gen::pyr_(), mathSSE::sqrt(), and detailsBasic3DVector::y.

 {
    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;
 
    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 );
      
      int dum = 0;
      double pt=0, y=0, u=0, ee=0, the=0;
      
      pt = fPtYGenerator->firePt(engine);
      y  = fPtYGenerator->fireY(engine);
      u  = exp(y); 
      
      double mass = pymass_(py6PID);
      
      // 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
      pyjets.p[4][ip-1]=mass; 
 
      ee = 0.5*std::sqrt(mass*mass+pt*pt)*(u*u+1)/u;
      
      double pz = std::sqrt(ee*ee-pt*pt-mass*mass);
      if ( y < 0. ) pz *= -1;
      
      double phi = (fMaxPhi-fMinPhi)*pyr_(&dum)+fMinPhi;
 
      the  = atan(pt/pz);
      if ( pz < 0. ) the += M_PI ;                                                                      
      
      py1ent_(ip, py6PID, ee, the, phi);
      
 /*
          double px     = pt*cos(phi) ;
          double py     = pt*sin(phi) ;
 */         
          double px     = pyjets.p[0][ip-1]; // pt*cos(phi) ;
          double py     = pyjets.p[1][ip-1]; // pt*sin(phi) ;
          pz     = pyjets.p[2][ip-1]; // mom*cos(the) ;
 
      HepMC::FourVector p(px,py,pz,ee) ;
          HepMC::GenParticle* Part = 
              new HepMC::GenParticle(p,particleID,1);
          Part->suggest_barcode( ip ) ;
          Vtx->add_particle_out(Part);
      
      ip++;
    
    }
   
    fEvt->add_vertex(Vtx);
      
    // run pythia
    pyexec_();
    
    return;
 }

Member Data Documentation

PtYDistributor* gen::Pythia6PtYDistGun::fPtYGenerator

private

Definition at line 27 of file Pythia6PtYDistGun.h.

Referenced by generateEvent(), Pythia6PtYDistGun(), and ~Pythia6PtYDistGun().

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation