edm::HepMCProduct Class Reference

#include <HepMCProduct.h>

Public Member Functions
void	addHepMCData (HepMC::GenEvent *evt)
void	applyVtxGen (HepMC::FourVector *vtxShift) const
void	boostToLab (TMatrixD *lorentz, std::string type) const
const HepMC::GenEvent *	GetEvent () const
const HepMC::GenEvent &	getHepMCData () const
	HepMCProduct ()
	HepMCProduct (HepMC::GenEvent *evt)
	HepMCProduct (HepMCProduct const &orig)
bool	isPBoostApplied () const
bool	isVtxBoostApplied () const
bool	isVtxGenApplied () const
HepMCProduct &	operator= (HepMCProduct const &other)
void	swap (HepMCProduct &other)
virtual	~HepMCProduct ()

Private Attributes
HepMC::GenEvent *	evt_
bool	isPBoostApplied_
bool	isVtxBoostApplied_
bool	isVtxGenApplied_

Detailed Description

Definition at line 18 of file HepMCProduct.h.

Constructor & Destructor Documentation

edm::HepMCProduct::HepMCProduct ( )

inline

Definition at line 20 of file HepMCProduct.h.

                       :
            evt_(0), isVtxGenApplied_(false),
            isVtxBoostApplied_(false), isPBoostApplied_(false) {}

HepMCProduct::HepMCProduct ( HepMC::GenEvent *  evt )

explicit

Definition at line 17 of file HepMCProduct.cc.

References gather_cfg::cout.

                                                {
    evt_ = evt;
    cout << "Contructing HepMCProduct" << endl;
    
    //note: this is not quite safe, because GenEvent does NOT
    //      know if vertex smearing applied or nor - only the
    //      HepMCProduct itself knows !
    // isVtxGenApplied_ = 0 ;  // ???
}

HepMCProduct::~HepMCProduct ( )

virtual

Definition at line 27 of file HepMCProduct.cc.

                           {

    delete evt_; evt_ = 0; isVtxGenApplied_ = false;
    isVtxBoostApplied_ = false;
    isPBoostApplied_ = false;
}

HepMCProduct::HepMCProduct

(

HepMCProduct const &

orig

)

Definition at line 153 of file HepMCProduct.cc.

References evt_, isPBoostApplied_, isVtxBoostApplied_, and isVtxGenApplied_.

                                                    :
  evt_(0) {
  
   if (other.evt_) evt_=new HepMC::GenEvent(*other.evt_);
   isVtxGenApplied_ = other.isVtxGenApplied_ ;
   isVtxBoostApplied_ = other.isVtxBoostApplied_;
   isPBoostApplied_ = other.isPBoostApplied_;
   //fTimeOffset = other.fTimeOffset;
}

Member Function Documentation

void HepMCProduct::addHepMCData

(

HepMC::GenEvent *

evt

)

Definition at line 35 of file HepMCProduct.cc.

                                                   {
  //  evt->print();
  // cout <<sizeof (evt)  <<"  " << sizeof ( HepMC::GenEvent)   << endl;
  evt_ = evt;
  
  // same story about vertex smearing - GenEvent won't know it...
  // in fact, would be better to implement CmsGenEvent...
  
}

void HepMCProduct::applyVtxGen

(

HepMC::FourVector *

vtxShift

)

const

Definition at line 45 of file HepMCProduct.cc.

References reco::return(), lumiQTWidget::t, funct::true, x, detailsBasic3DVector::y, and detailsBasic3DVector::z.

{
    //std::cout<< " applyVtxGen called " << isVtxGenApplied_ << endl;
    //fTimeOffset = 0;
    
   if ( isVtxGenApplied() ) return ;
      
   for ( HepMC::GenEvent::vertex_iterator vt=evt_->vertices_begin();
                                          vt!=evt_->vertices_end(); ++vt )
   {
            
      double x = (*vt)->position().x() + vtxShift->x() ;
      double y = (*vt)->position().y() + vtxShift->y() ;
      double z = (*vt)->position().z() + vtxShift->z() ;
      double t = (*vt)->position().t() + vtxShift->t() ;
      //std::cout << " vertex (x,y,z)= " << x <<" " << y << " " << z << std::endl;
      (*vt)->set_position( HepMC::FourVector(x,y,z,t) ) ;      
   }
      
   isVtxGenApplied_ = true ;
   
   return ;

} 

void HepMCProduct::boostToLab	(	TMatrixD *	lorentz,
		std::string	type
	)		const

Definition at line 70 of file HepMCProduct.cc.

References gather_cfg::cout, p4, reco::return(), and funct::true.

                                                                       {

    //std::cout << "from boostToLab:" << std::endl;
    
  
  
    if ( lorentz == 0 ) {

        //std::cout << " lorentz = 0 " << std::endl;
        return;
    }

    //lorentz->Print();

  TMatrixD tmplorentz(*lorentz);
  //tmplorentz.Print();
  
    if ( type == "vertex") {

        if ( isVtxBoostApplied() ) {
            //std::cout << " isVtxBoostApplied true " << std::endl;
            return ;
        }
        
        for ( HepMC::GenEvent::vertex_iterator vt=evt_->vertices_begin();
              vt!=evt_->vertices_end(); ++vt ) {

            // change basis to lorentz boost definition: (t,x,z,y)
            TMatrixD p4(4,1);
            p4(0,0) = (*vt)->position().t();
            p4(1,0) = (*vt)->position().x();
            p4(2,0) = (*vt)->position().z();
            p4(3,0) = (*vt)->position().y();

            TMatrixD p4lab(4,1);
            p4lab = tmplorentz * p4;
            //std::cout << " vertex lorentz: " << p4lab(1,0) << " " << p4lab(3,0) << " " << p4lab(2,0) << std::endl;
            (*vt)->set_position( HepMC::FourVector(p4lab(1,0),p4lab(3,0),p4lab(2,0), p4lab(0,0) ) ) ;      
        }
      
        isVtxBoostApplied_ = true ;
    }
    else if ( type == "momentum") {
        
        if ( isPBoostApplied() ) {
            //std::cout << " isPBoostApplied true " << std::endl;
            return ;
        }
        
        for ( HepMC::GenEvent::particle_iterator part=evt_->particles_begin();
              part!=evt_->particles_end(); ++part ) {

            // change basis to lorentz boost definition: (E,Px,Pz,Py)
            TMatrixD p4(4,1);
            p4(0,0) = (*part)->momentum().e();
            p4(1,0) = (*part)->momentum().x();
            p4(2,0) = (*part)->momentum().z();
            p4(3,0) = (*part)->momentum().y();

            TMatrixD p4lab(4,1);
            p4lab = tmplorentz * p4;
            //std::cout << " momentum lorentz: " << p4lab(1,0) << " " << p4lab(3,0) << " " << p4lab(2,0) << std::endl;
            (*part)->set_momentum( HepMC::FourVector(p4lab(1,0),p4lab(3,0),p4lab(2,0),p4lab(0,0) ) ) ;      
        }
      
        isPBoostApplied_ = true ;
    }
    else {
        std::cout << " no type found for boostToLab(std::string), options are vertex or momentum" << std::endl;
    }
        
         
    return ;
}

const HepMC::GenEvent* edm::HepMCProduct::GetEvent ( ) const

inline

Definition at line 35 of file HepMCProduct.h.

References evt_.

Referenced by edm::TestMix::analyze(), MuScleFitPlotter::fillGen(), MuScleFitUtils::findGenMuFromRes(), MuScleFitMuonSelector::findGenMuFromRes(), MixEvtVtxGenerator::getVertex(), DisplayManager::loadGGenParticles(), DisplayManager::lookForGenParticle(), DisplayManager::printGenParticleInfo(), PFRootEventManager::printGenParticles(), PFRootEventManager::printMCCalib(), PFRootEventManagerColin::processNeutral(), GenParticleProducer::produce(), and PFRootEventManager::tauBenchmark().

{ return evt_; }

const HepMC::GenEvent & HepMCProduct::getHepMCData

(

)

const

Definition at line 147 of file HepMCProduct.cc.

Referenced by edm::refhelper::FindTrait< edm::HepMCProduct, HepMC::GenVertex >::Find::operator()().

                                  {

  return  * evt_;
}

bool edm::HepMCProduct::isPBoostApplied ( ) const

inline

Definition at line 39 of file HepMCProduct.h.

References isPBoostApplied_.

{ return isPBoostApplied_; }

bool edm::HepMCProduct::isVtxBoostApplied ( ) const

inline

Definition at line 38 of file HepMCProduct.h.

References isVtxBoostApplied_.

{ return isVtxBoostApplied_; }

bool edm::HepMCProduct::isVtxGenApplied ( ) const

inline

Definition at line 37 of file HepMCProduct.h.

References isVtxGenApplied_.

Referenced by MixEvtVtxGenerator::getVertex().

{ return isVtxGenApplied_; }

HepMCProduct & HepMCProduct::operator=

(

HepMCProduct const &

other

)

Definition at line 175 of file HepMCProduct.cc.

References swap(), and groupFilesInBlocks::temp.

                                                 {
  HepMCProduct temp(other);
  swap(temp);
  return *this;
} 

void HepMCProduct::swap

(

HepMCProduct &

other

)

Definition at line 165 of file HepMCProduct.cc.

References evt_, isPBoostApplied_, isVtxBoostApplied_, isVtxGenApplied_, and std::swap().

Referenced by operator=().

                                      {
  std::swap(evt_, other.evt_);
  std::swap(isVtxGenApplied_, other.isVtxGenApplied_);
  std::swap(isVtxBoostApplied_, other.isVtxBoostApplied_);
  std::swap(isPBoostApplied_, other.isPBoostApplied_);
  //std::swap(fTimeOffset, other.fTimeOffset);
}

Member Data Documentation

HepMC::GenEvent* edm::HepMCProduct::evt_

private

Definition at line 46 of file HepMCProduct.h.

Referenced by GetEvent(), HepMCProduct(), and swap().

bool edm::HepMCProduct::isPBoostApplied_

mutableprivate

Definition at line 50 of file HepMCProduct.h.

Referenced by HepMCProduct(), isPBoostApplied(), and swap().

bool edm::HepMCProduct::isVtxBoostApplied_

mutableprivate

Definition at line 49 of file HepMCProduct.h.

Referenced by HepMCProduct(), isVtxBoostApplied(), and swap().

bool edm::HepMCProduct::isVtxGenApplied_

mutableprivate

Definition at line 48 of file HepMCProduct.h.

Referenced by HepMCProduct(), isVtxGenApplied(), and swap().