gen::ExternalDecayDriver Class Reference

#include <ExternalDecayDriver.h>

Public Member Functions
HepMC::GenEvent *	decay (HepMC::GenEvent *)
	ExternalDecayDriver (const edm::ParameterSet &)
void	init (const edm::EventSetup &)
const std::vector< int > &	operatesOnParticles ()
void	setRandomEngine (CLHEP::HepRandomEngine *)
std::vector< std::string > const &	sharedResources () const
const std::vector< std::string > &	specialSettings ()
void	statistics () const
	~ExternalDecayDriver ()

Private Attributes
std::vector< std::string >	exSharedResources
EvtGenInterfaceBase *	fEvtGenInterface
bool	fIsInitialized
std::vector< int >	fPDGs
PhotosInterfaceBase *	fPhotosInterface
std::vector< std::string >	fSpecialSettings
TauolaInterfaceBase *	fTauolaInterface

Detailed Description

Definition at line 26 of file ExternalDecayDriver.h.

Constructor & Destructor Documentation

ExternalDecayDriver::ExternalDecayDriver

(

const edm::ParameterSet &

pset

)

Definition at line 18 of file ExternalDecayDriver.cc.

References gen::PhotosInterfaceBase::avoidTauLeptonicDecays(), gen::PhotosInterfaceBase::configureOnlyFor(), exSharedResources, fEvtGenInterface, fPhotosInterface, fTauolaInterface, reco::get(), edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), edm::SharedResourceNames::kEvtGen, gen::FortranInstance::kFortranInstance, edm::SharedResourceNames::kPhotos, edm::SharedResourceNames::kPythia6, edm::SharedResourceNames::kTauola, and AlCaHLTBitMon_QueryRunRegistry::string.

   : fIsInitialized(false),
     fTauolaInterface(0),
     fEvtGenInterface(0),
     fPhotosInterface(0)
{
    std::vector<std::string> extGenNames =
    pset.getParameter< std::vector<std::string> >("parameterSets");
  
  for (unsigned int ip=0; ip<extGenNames.size(); ++ip ){
    std::string curSet = extGenNames[ip];
    if ( curSet == "EvtGen" || curSet == "EvtGenLHC91"){
      fEvtGenInterface = (EvtGenInterfaceBase*)(EvtGenFactory::get()->create("EvtGenLHC91", pset.getUntrackedParameter< ParameterSet >(curSet)));
      exSharedResources.emplace_back(edm::SharedResourceNames::kEvtGen);
      exSharedResources.emplace_back(edm::SharedResourceNames::kPythia6);
      exSharedResources.emplace_back(gen::FortranInstance::kFortranInstance);
    }
    else if ( curSet == "Tauola" || curSet == "Tauolapp113a" ){
      // this is for old tauola27 (+pretauola)
      //
      // --> fTauolaInterface = new gen::TauolaInterface(pset.getUntrackedParameter< ParameterSet >(curSet));
      //
      // for tauola++, here it should be something like:
      //
      fTauolaInterface = (TauolaInterfaceBase*)(TauolaFactory::get()->create("Tauolapp113a", pset.getUntrackedParameter< ParameterSet >(curSet)));
      fPhotosInterface = (PhotosInterfaceBase*)(PhotosFactory::get()->create("Photos2155", pset.getUntrackedParameter< ParameterSet >(curSet)));
      fPhotosInterface->configureOnlyFor( 15 );
      fPhotosInterface->avoidTauLeptonicDecays();
      exSharedResources.emplace_back(edm::SharedResourceNames::kTauola);
      exSharedResources.emplace_back(edm::SharedResourceNames::kPhotos);
    }
    else if ( curSet == "Photos" || curSet == "Photos2155" ){
      if ( !fPhotosInterface ){
    fPhotosInterface = (PhotosInterfaceBase*)(PhotosFactory::get()->create("Photos2155", pset.getUntrackedParameter< ParameterSet>(curSet)));
    exSharedResources.emplace_back(edm::SharedResourceNames::kPhotos);
      }
    }
  }
}

ExternalDecayDriver::~ExternalDecayDriver

(

)

Definition at line 58 of file ExternalDecayDriver.cc.

References fEvtGenInterface, fPhotosInterface, and fTauolaInterface.

{
   if ( fEvtGenInterface ) delete fEvtGenInterface;
   if ( fTauolaInterface ) delete fTauolaInterface;
   if ( fPhotosInterface ) delete fPhotosInterface;
}

Member Function Documentation

HepMC::GenEvent * ExternalDecayDriver::decay

(

HepMC::GenEvent *

evt

)

Definition at line 65 of file ExternalDecayDriver.cc.

References gen::PhotosInterfaceBase::apply(), gen::TauolaInterfaceBase::decay(), gen::EvtGenInterfaceBase::decay(), fEvtGenInterface, fIsInitialized, fPhotosInterface, and fTauolaInterface.

{
   
   if ( !fIsInitialized ) return evt;
   
   if ( fEvtGenInterface )
   {  
      evt = fEvtGenInterface->decay( evt ); 
      if ( !evt ) return 0;
   }

   if ( fTauolaInterface ) 
   {
      evt = fTauolaInterface->decay( evt ); 
      if ( !evt ) return 0;
   }
   
   if ( fPhotosInterface )
   {
      evt = fPhotosInterface->apply( evt );
      if ( !evt ) return 0;
   }
         
   return evt;
}

void ExternalDecayDriver::init

(

const edm::EventSetup &

es

)

Definition at line 91 of file ExternalDecayDriver.cc.

References fEvtGenInterface, fIsInitialized, fPDGs, fPhotosInterface, fSpecialSettings, fTauolaInterface, i, gen::EvtGenInterfaceBase::init(), gen::TauolaInterfaceBase::init(), gen::PhotosInterfaceBase::init(), gen::EvtGenInterfaceBase::operatesOnParticles(), gen::TauolaInterfaceBase::operatesOnParticles(), and gen::PhotosInterfaceBase::specialSettings().

{

   if ( fIsInitialized ) return;
   
   if ( fTauolaInterface ) 
   {
      fTauolaInterface->init( es );
      for ( std::vector<int>::const_iterator i=fTauolaInterface->operatesOnParticles().begin();
            i!=fTauolaInterface->operatesOnParticles().end(); i++ ) 
               fPDGs.push_back( *i );
   }
   
   if ( fEvtGenInterface ) 
   {
      fEvtGenInterface->init();
      for ( std::vector<int>::const_iterator i=fEvtGenInterface->operatesOnParticles().begin();
            i!=fEvtGenInterface->operatesOnParticles().end(); i++ )
               fPDGs.push_back( *i );
   }
   

   if ( fPhotosInterface )
   {
      fPhotosInterface->init();
//   for tauola++ 
      if ( fPhotosInterface )
      {
         for ( unsigned int iss=0; iss<fPhotosInterface->specialSettings().size(); iss++ )
         {
            fSpecialSettings.push_back( fPhotosInterface->specialSettings()[iss] );
         }
      }
   }
   
// this is specific to old tauola27 only, because it calls up photos automatically
//
//
//   if ( fTauolaInterface )
//   {
//      // override !
//      fSpecialSettings.clear();
//      fSpecialSettings.push_back( "QED-brem-off:15" );
//   }
   
   fIsInitialized = true;
   
   return;
}

const std::vector<int>& gen::ExternalDecayDriver::operatesOnParticles ( )

inline

Definition at line 35 of file ExternalDecayDriver.h.

References fPDGs.

{ return fPDGs; }

void ExternalDecayDriver::setRandomEngine

(

CLHEP::HepRandomEngine *

v

)

Definition at line 148 of file ExternalDecayDriver.cc.

References decayRandomEngine, fEvtGenInterface, fPhotosInterface, fTauolaInterface, gen::EvtGenInterfaceBase::setRandomEngine(), gen::TauolaInterfaceBase::setRandomEngine(), gen::PhotosInterfaceBase::setRandomEngine(), and gen::v.

{
   decayRandomEngine = v;
   if ( fTauolaInterface ) fTauolaInterface->setRandomEngine(v);
   if ( fEvtGenInterface ) fEvtGenInterface->setRandomEngine(v);
   if ( fPhotosInterface ) fPhotosInterface->setRandomEngine(v);
}

std::vector<std::string> const& gen::ExternalDecayDriver::sharedResources ( ) const

inline

Definition at line 43 of file ExternalDecayDriver.h.

References exSharedResources.

{ return exSharedResources; }

const std::vector<std::string>& gen::ExternalDecayDriver::specialSettings ( )

inline

Definition at line 36 of file ExternalDecayDriver.h.

References fSpecialSettings.

{ return fSpecialSettings; }

void ExternalDecayDriver::statistics

(

)

const

Definition at line 141 of file ExternalDecayDriver.cc.

References fTauolaInterface, and gen::TauolaInterfaceBase::statistics().

{
   if ( fTauolaInterface ) fTauolaInterface->statistics();
   // similar for EvtGen and/or Photos, if needs be
   return;
}

Member Data Documentation

std::vector<std::string> gen::ExternalDecayDriver::exSharedResources

private

Definition at line 54 of file ExternalDecayDriver.h.

Referenced by ExternalDecayDriver(), and sharedResources().

EvtGenInterfaceBase* gen::ExternalDecayDriver::fEvtGenInterface

private

Definition at line 49 of file ExternalDecayDriver.h.

Referenced by decay(), ExternalDecayDriver(), init(), setRandomEngine(), and ~ExternalDecayDriver().

bool gen::ExternalDecayDriver::fIsInitialized

private

Definition at line 47 of file ExternalDecayDriver.h.

Referenced by decay(), and init().

std::vector<int> gen::ExternalDecayDriver::fPDGs

private

Definition at line 51 of file ExternalDecayDriver.h.

Referenced by init(), and operatesOnParticles().

PhotosInterfaceBase* gen::ExternalDecayDriver::fPhotosInterface

private

Definition at line 50 of file ExternalDecayDriver.h.

Referenced by decay(), ExternalDecayDriver(), init(), setRandomEngine(), and ~ExternalDecayDriver().

std::vector<std::string> gen::ExternalDecayDriver::fSpecialSettings

private

Definition at line 52 of file ExternalDecayDriver.h.

Referenced by init(), and specialSettings().

TauolaInterfaceBase* gen::ExternalDecayDriver::fTauolaInterface

private

Definition at line 48 of file ExternalDecayDriver.h.

Referenced by decay(), ExternalDecayDriver(), init(), setRandomEngine(), statistics(), and ~ExternalDecayDriver().