#include <ExhumeHadronizer.h>

Inheritance diagram for gen::ExhumeHadronizer:

Public Member Functions
const char *	classname () const
bool	decay ()
bool	declareSpecialSettings (const std::vector< std::string >)
bool	declareStableParticles (const std::vector< int >)
	ExhumeHadronizer (edm::ParameterSet const &ps)
void	finalizeEvent ()
bool	generatePartonsAndHadronize ()
bool	hadronize ()
bool	initializeForExternalPartons ()
bool	initializeForInternalPartons ()
bool	residualDecay ()
void	statistics ()
	~ExhumeHadronizer ()
Private Attributes
double	comEnergy_
bool	convertToPDG_
Exhume::Event *	exhumeEvent_
Exhume::CrossSection *	exhumeProcess_
bool	hepMCVerbosity_
unsigned int	maxEventsToPrint_
edm::ParameterSet	myPSet_
Pythia6Service *	pythia6Service_
unsigned int	pythiaListVerbosity_
CLHEP::HepRandomEngine *	randomEngine_

Detailed Description

Definition at line 40 of file ExhumeHadronizer.h.

Constructor & Destructor Documentation

gen::ExhumeHadronizer::ExhumeHadronizer ( edm::ParameterSet const & ps )

Definition at line 75 of file ExhumeHadronizer.cc.

References convertToPDG_, edm::ParameterSet::exists(), and edm::ParameterSet::getParameter().

   : BaseHadronizer(pset),
     pythia6Service_(new Pythia6Service(pset)),
     randomEngine_(&getEngineReference()),
     comEnergy_(pset.getParameter<double>("comEnergy")),
     myPSet_(pset),
     hepMCVerbosity_(pset.getUntrackedParameter<bool>("pythiaHepMCVerbosity",false)),
     maxEventsToPrint_(pset.getUntrackedParameter<int>("maxEventsToPrint", 0)),
     pythiaListVerbosity_(pset.getUntrackedParameter<int>("pythiaPylistVerbosity", 0))
{ 

   convertToPDG_ = false;
   if ( pset.exists( "doPDGConvert" ) )
   {
      convertToPDG_ = pset.getParameter<bool>("doPDGConvert");
   }
   
   //pythia6Hadronizer_ = new Pythia6Hadronizer(pset);  
}

gen::ExhumeHadronizer::~ExhumeHadronizer ( )

Definition at line 95 of file ExhumeHadronizer.cc.

References exhumeEvent_, exhumeProcess_, and pythia6Service_.

                                   {
   //delete pythia6Hadronizer_;
   delete pythia6Service_;
   delete exhumeEvent_;
   delete exhumeProcess_;
}

Member Function Documentation

const char * gen::ExhumeHadronizer::classname ( ) const

Definition at line 277 of file ExhumeHadronizer.cc.

{
   return "gen::ExhumeHadronizer";
}

bool gen::ExhumeHadronizer::decay ( )

Definition at line 168 of file ExhumeHadronizer.cc.

{
   return true;
}

bool gen::ExhumeHadronizer::declareSpecialSettings ( const std::vector< std::string > )

Definition at line 249 of file ExhumeHadronizer.cc.

{
   return true;
}

bool gen::ExhumeHadronizer::declareStableParticles ( const std::vector< int > pdg )

Definition at line 232 of file ExhumeHadronizer.cc.

References gen::call_pygive(), gather_cfg::cout, i, and pycomp.

{
   //return pythia6Hadronizer_->declareStableParticles(pdg);

   for ( size_t i=0; i < pdg.size(); i++ )
   {
      int pyCode = pycomp( pdg[i] );
      std::ostringstream pyCard ;
      pyCard << "MDCY(" << pyCode << ",1)=0";
      std::cout << pyCard.str() << std::endl;
      call_pygive( pyCard.str() );
   }
   
   return true;

}

void gen::ExhumeHadronizer::finalizeEvent ( )

Definition at line 102 of file ExhumeHadronizer.cc.

References gen::call_pylist(), convertToPDG_, gather_cfg::cout, gen::BaseHadronizer::event(), hepMCVerbosity_, maxEventsToPrint_, pyint1, pypars, and pythiaListVerbosity_.

{
   //pythia6Hadronizer_->finalizeEvent();

   event()->set_signal_process_id( pypars.msti[0] );
   event()->set_event_scale( pypars.pari[16] );

   HepMC::PdfInfo pdf;
   pdf.set_id1( pyint1.mint[14] == 21 ? 0 : pyint1.mint[14] );
   pdf.set_id2( pyint1.mint[15] == 21 ? 0 : pyint1.mint[15] );
   pdf.set_x1( pyint1.vint[40] );
   pdf.set_x2( pyint1.vint[41] );
   pdf.set_pdf1( pyint1.vint[38] / pyint1.vint[40] );
   pdf.set_pdf2( pyint1.vint[39] / pyint1.vint[41] );
   pdf.set_scalePDF( pyint1.vint[50] );

   event()->set_pdf_info( pdf ) ;

   event()->weights().push_back( pyint1.vint[96] );

   // convert particle IDs Py6->PDG, if requested
   if(convertToPDG_) {
      for ( HepMC::GenEvent::particle_iterator part = event()->particles_begin(); 
                                               part != event()->particles_end(); ++part) {
         (*part)->set_pdg_id(HepPID::translatePythiatoPDT((*part)->pdg_id()));
      }
   }

   // service printouts, if requested
   //
   if (maxEventsToPrint_ > 0) 
   {
      --maxEventsToPrint_;
      if (pythiaListVerbosity_) call_pylist(pythiaListVerbosity_);
      if (hepMCVerbosity_) 
      {
         std::cout << "Event process = " << pypars.msti[0] << std::endl 
              << "----------------------" << std::endl;
         event()->print();
      }
   }

   return;
}

bool gen::ExhumeHadronizer::generatePartonsAndHadronize ( )

Definition at line 147 of file ExhumeHadronizer.cc.

References conv, gen::BaseHadronizer::event(), exhumeEvent_, exhumeProcess_, Exhume::Event::Generate(), gen::FortranCallback::getInstance(), Exhume::CrossSection::Hadronise(), pythia6Service_, and gen::FortranCallback::resetIterationsPerEvent().

{
   Pythia6Service::InstanceWrapper guard(pythia6Service_);

   FortranCallback::getInstance()->resetIterationsPerEvent();
   
   // generate event
   
   exhumeEvent_->Generate();
   exhumeProcess_->Hadronise();

   event().reset( conv.read_next_event() );
   
   return true;
}

bool gen::ExhumeHadronizer::hadronize ( )

Definition at line 163 of file ExhumeHadronizer.cc.

{
   return false;
}

bool gen::ExhumeHadronizer::initializeForExternalPartons ( )

Definition at line 178 of file ExhumeHadronizer.cc.

{
   return false;
}

bool gen::ExhumeHadronizer::initializeForInternalPartons ( )

Definition at line 183 of file ExhumeHadronizer.cc.

References edm::errors::Configuration, Exception, exhumeEvent_, exhumeProcess_, edm::ParameterSet::getParameter(), myPSet_, pypars, pythia6Service_, randomEngine_, gen::Pythia6Service::setGeneralParams(), Exhume::Event::SetMassRange(), and Exhume::Event::SetParameterSpace().

{
   Pythia6Service::InstanceWrapper guard(pythia6Service_);

   pythia6Service_->setGeneralParams();
 
   //Exhume Initialization
   edm::ParameterSet processPSet = myPSet_.getParameter<edm::ParameterSet>("ExhumeProcess");
   std::string processType = processPSet.getParameter<std::string>("ProcessType");
   int sigID = -1;
   if(processType == "Higgs"){
      exhumeProcess_ = new Exhume::Higgs(myPSet_);
      int higgsDecay = processPSet.getParameter<int>("HiggsDecay");
      (static_cast<Exhume::Higgs*>(exhumeProcess_))->SetHiggsDecay(higgsDecay);
      sigID = 100 + higgsDecay;
   } else if(processType == "QQ"){      
      exhumeProcess_ = new Exhume::QQ(myPSet_);
      int quarkType = processPSet.getParameter<int>("QuarkType");
      double thetaMin = processPSet.getParameter<double>("ThetaMin");
      ((Exhume::QQ*)exhumeProcess_)->SetQuarkType(quarkType);
      (static_cast<Exhume::QQ*>(exhumeProcess_))->SetThetaMin(thetaMin);
      sigID = 200 + quarkType;
   } else if(processType == "GG"){
      exhumeProcess_ = new Exhume::GG(myPSet_);
      double thetaMin = processPSet.getParameter<double>("ThetaMin");
      (static_cast<Exhume::GG*>(exhumeProcess_))->SetThetaMin(thetaMin);
      sigID = 300;
   } else if(processType == "DiPhoton"){
      exhumeProcess_ = new Exhume::DiPhoton(myPSet_);
      double thetaMin = processPSet.getParameter<double>("ThetaMin");
      (static_cast<Exhume::DiPhoton*>(exhumeProcess_))->SetThetaMin(thetaMin);
      sigID = 400;
   } else{
      sigID = -1;
      throw edm::Exception(edm::errors::Configuration,"ExhumeError") <<" No valid Exhume Process";
   }
    
   pypars.msti[0] = sigID;
   //exhumeEvent_ = new Exhume::Event(*exhumeProcess_,&getEngineReference());
   exhumeEvent_ = new Exhume::Event(*exhumeProcess_,randomEngine_);

   double massRangeLow = processPSet.getParameter<double>("MassRangeLow");
   double massRangeHigh = processPSet.getParameter<double>("MassRangeHigh");
   exhumeEvent_->SetMassRange(massRangeLow,massRangeHigh);
   exhumeEvent_->SetParameterSpace();

   return true;
}

bool gen::ExhumeHadronizer::residualDecay ( )

Definition at line 173 of file ExhumeHadronizer.cc.

{
   return true;
}

void gen::ExhumeHadronizer::statistics ( )

Definition at line 254 of file ExhumeHadronizer.cc.

References Exhume::Event::CrossSectionCalculation(), exhumeEvent_, exhumeProcess_, Exhume::Event::GetEfficiency(), Exhume::CrossSection::GetName(), mergeVDriftHistosByStation::name, gen::BaseHadronizer::runInfo(), and GenRunInfoProduct::setInternalXSec().

{
  std::ostringstream footer_str;

  double cs = exhumeEvent_->CrossSectionCalculation();
  double eff = exhumeEvent_->GetEfficiency();
  std::string name = exhumeProcess_->GetName();

  footer_str << "\n" <<"   You have just been ExHuMEd." << "\n" << "\n";
  footer_str << "   The cross section for process " << name
             << " is " << cs << " fb" << "\n" << "\n";
  footer_str << "   The efficiency of event generation was " << eff << "%" << "\n" << "\n";

  edm::LogInfo("") << footer_str.str();

  if ( !runInfo().internalXSec() )
  {
     runInfo().setInternalXSec( cs );
  }

  return;
}