MC::HepMC::GenEventBarcodes Class Reference

#include <HepMCHelpers.h>

Inheritance diagram for MC::HepMC::GenEventBarcodes:

Collaboration diagram for MC::HepMC::GenEventBarcodes:

Public Member Functions
virtual bool	from_string (const std::string &) override
virtual bool	to_string (std::string &att) const override
ConstGenVertexPtr	barcode_to_vertex (int id) const
GenVertexPtr	barcode_to_vertex (int id)
ConstGenParticlePtr	barcode_to_particle (int id) const
GenParticlePtr	barcode_to_particle (int id)
void	add (GenVertexPtr p)
void	remove (GenVertexPtr p)
void	add (GenParticlePtr p)
void	remove (GenParticlePtr p)
std::map< int, ConstGenVertexPtr >	barcode_to_vertex_map () const
std::map< int, ConstGenParticlePtr >	barcode_to_particle_map () const
std::map< int, int >	id_to_barcode_map () const
void	fillAttribute (GenEvent *e)

Private Attributes
std::unordered_map< int, GenVertexPtr >	m_vertexBC
std::unordered_map< int, GenParticlePtr >	m_particleBC

Detailed Description

Definition at line 174 of file HepMCHelpers.h.

Member Function Documentation

add() [1/2]

void MC::HepMC::GenEventBarcodes::add ( GenParticlePtr p )

inline

Definition at line 223 of file HepMCHelpers.h.

                                                                                               {
     decltype(thePart->end_vertex()) EndVert = thePart->end_vertex();
     decltype(thePart->end_vertex()) pVert(nullptr);
    if (EndVert != nullptr) {
      do {

add() [2/2]

void MC::HepMC::GenEventBarcodes::add ( GenVertexPtr p )

inline

Definition at line 204 of file HepMCHelpers.h.

                             : particles_in(vtx) ) {
      if (!parent) continue;
      // should this really go into parton-level territory?
      // probably depends where BSM particles are being decayed
      fromBSM |= isBSM(parent);

barcode_to_particle() [1/2]

GenParticlePtr MC::HepMC::GenEventBarcodes::barcode_to_particle ( int id )

inline

Definition at line 198 of file HepMCHelpers.h.

                                                                   {
    if (isHadron(p)&&!isBeam(p))  return true; // trivial case

barcode_to_particle() [2/2]

ConstGenParticlePtr MC::HepMC::GenEventBarcodes::barcode_to_particle ( int id ) const

inline

Definition at line 193 of file HepMCHelpers.h.

barcode_to_particle_map()

std::map< int, ConstGenParticlePtr > MC::HepMC::GenEventBarcodes::barcode_to_particle_map ( ) const

inline

Definition at line 248 of file HepMCHelpers.h.

                                                                                                   {

barcode_to_vertex() [1/2]

GenVertexPtr MC::HepMC::GenEventBarcodes::barcode_to_vertex ( int id )

inline

Definition at line 188 of file HepMCHelpers.h.

                        {
      auto incoming = pVert->particles_in();
      if (incoming.at(0) && incoming.at(1) && (std::abs(incoming.at(0)->pdg_id()) < 7 || incoming.at(0)->pdg_id() == 21) && (std::abs(incoming.at(1)->pdg_id()) < 7 || incoming.at(1)->pdg_id() == 21)) return true;
    }

barcode_to_vertex() [2/2]

ConstGenVertexPtr MC::HepMC::GenEventBarcodes::barcode_to_vertex ( int id ) const

inline

Definition at line 183 of file HepMCHelpers.h.

                                                                                : 0;
      pV = numOfPartIn && incoming.front() != nullptr ? incoming.front()->production_vertex() : nullptr;
 
    } while (numOfPartIn == 1 && (std::abs(pdg) < 81 || std::abs(pdg) > 100) && pV != nullptr);

barcode_to_vertex_map()

std::map< int, ConstGenVertexPtr > MC::HepMC::GenEventBarcodes::barcode_to_vertex_map ( ) const

inline

Definition at line 242 of file HepMCHelpers.h.

fillAttribute()

void MC::HepMC::GenEventBarcodes::fillAttribute ( GenEvent * e )

inline

Definition at line 262 of file HepMCHelpers.h.

                          {
          auto  vecPart = findFinalStateParticles<V>(pVert);
          finalStatePart.insert(finalStatePart.end(),vecPart.begin(),vecPart.end());
      }
    }
    return finalStatePart;
  }
#if !defined(XAOD_ANALYSIS)
#include "AtlasHepMC/GenEvent.h"
inline void GeVToMeV(HepMC::GenEvent* evt) { for (auto& p: evt->particles()) { p->set_momentum(p->momentum()*1000); p->set_generated_mass(1000* p->generated_mass());}}
inline void MeVToGeV(HepMC::GenEvent* evt) { for (auto& p: evt->particles()) { p->set_momentum(p->momentum()*1.0/1000); p->set_generated_mass(1.0/1000* p->generated_mass());} }
 
#endif
}
#endif

from_string()

virtual bool MC::HepMC::GenEventBarcodes::from_string ( const std::string & )

inlineoverridevirtual

Definition at line 177 of file HepMCHelpers.h.

id_to_barcode_map()

std::map< int, int > MC::HepMC::GenEventBarcodes::id_to_barcode_map ( ) const

inline

Definition at line 254 of file HepMCHelpers.h.

                         {};
    decltype(theVert->particles_out()) finalStatePart;
    auto outgoing = theVert->particles_out();
    for (const auto& thePart: outgoing) {
      if (!thePart) continue;
      finalStatePart.push_back(thePart);

remove() [1/2]

void MC::HepMC::GenEventBarcodes::remove ( GenParticlePtr p )

inline

Definition at line 231 of file HepMCHelpers.h.

                                : outgoing) {
          if (!itrDaug) continue;
          if ((( HepMC::is_same_generator_particle(itrDaug,thePart)) ||
             // brem on generator level for tau
             (outgoing.size() == 1 && incoming.size() == 1 &&
              !HepMC::is_simulation_particle(itrDaug) && !HepMC::is_simulation_particle(thePart))) &&
            itrDaug->pdg_id() == thePart->pdg_id()) {

remove() [2/2]

void MC::HepMC::GenEventBarcodes::remove ( GenVertexPtr p )

inline

Definition at line 212 of file HepMCHelpers.h.

                                             {
        if (!hadron)  hadron = parent; // assumes linear hadron parentage
        return true;
      }
      fromHad |= isFromHadron(parent, hadron, fromTau, fromBSM);
    }
    return fromHad;
  }
 

to_string()

virtual bool MC::HepMC::GenEventBarcodes::to_string ( std::string & att ) const

inlineoverridevirtual

Definition at line 178 of file HepMCHelpers.h.

       {
      pVert = pV;
      auto incoming = pVert->particles_in();

Member Data Documentation

m_particleBC

std::unordered_map<int, GenParticlePtr> MC::HepMC::GenEventBarcodes::m_particleBC

private

Definition at line 300 of file HepMCHelpers.h.

m_vertexBC

std::unordered_map<int, GenVertexPtr> MC::HepMC::GenEventBarcodes::m_vertexBC

private

Definition at line 299 of file HepMCHelpers.h.

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The documentation for this class was generated from the following file:

• HepMCHelpers.h