larg4::UpdateDaughterInformation Class Reference

Inheritance diagram for larg4::UpdateDaughterInformation:

Public Member Functions
	UpdateDaughterInformation (sim::ParticleList &p)
void	operator() (sim::ParticleList::value_type &particleListEntry) const
	UpdateDaughterInformation ()
void	SetParticleList (sim::ParticleList *p)
void	operator() (sim::ParticleList::value_type &particleListEntry)

Private Attributes
sim::ParticleList *	particleList

Detailed Description

Utility class for the EndOfEventAction method: update the daughter relationships in the particle list.

Definition at line 617 of file ParticleListAction_service.cxx.

Constructor & Destructor Documentation

larg4::UpdateDaughterInformation::UpdateDaughterInformation ( sim::ParticleList &  p )

inlineexplicit

Definition at line 619 of file ParticleListAction_service.cxx.

: particleList{&p} {}

larg4::UpdateDaughterInformation::UpdateDaughterInformation ( )

inline

Definition at line 389 of file ParticleListAction.cxx.

: particleList(0) {}

Member Function Documentation

void larg4::UpdateDaughterInformation::operator() ( sim::ParticleList::value_type &  particleListEntry )

inline

Definition at line 396 of file ParticleListAction.cxx.

    {
      // We're looking at this Particle in the list.
      int particleID = particleListEntry.first;

      // The parent ID of this particle;
      // we ask the particle list since the particle itself might have been lost
      // ("archived"), but the particle list still holds the information we need
      int parentID = particleList->GetMotherOf(particleID);

      // If the parentID <= 0, this is a primary particle.
      if (parentID <= 0) return;

      // If we get here, this particle is somebody's daughter.  Add
      // it to the list of daughter particles for that parent.

      // Get the parent particle from the list.
      sim::ParticleList::iterator parentEntry = particleList->find(parentID);

      if (parentEntry == particleList->end()) {
        // We have an "orphan": a particle whose parent isn't
        // recorded in the particle list.  This is not signficant;
        // it's possible for a particle not to be saved in the list
        // because it failed an energy cut, but for it to have a
        // daughter that passed the cut (e.g., a nuclear decay).
        return;
      }
      if (!parentEntry->second) return; // particle archived, nothing to update

      // Add the current particle to the daughter list of the
      // parent.
      simb::MCParticle* parent = (*parentEntry).second;
      parent->AddDaughter(particleID);
    }

void larg4::UpdateDaughterInformation::operator() ( sim::ParticleList::value_type &  particleListEntry ) const

inline

Definition at line 621 of file ParticleListAction_service.cxx.

    {
      // We're looking at this Particle in the list.
      int particleID = particleListEntry.first;

      // The parent ID of this particle;
      // we ask the particle list since the particle itself might have been lost
      // ("archived"), but the particle list still holds the information we need
      int parentID = particleList->GetMotherOf(particleID);

      // If the parentID <= 0, this is a primary particle.
      if (parentID <= 0) return;

      // If we get here, this particle is somebody's daughter.  Add
      // it to the list of daughter particles for that parent.

      // Get the parent particle from the list.
      sim::ParticleList::iterator parentEntry = particleList->find(parentID);

      if (parentEntry == particleList->end()) {
        // We have an "orphan": a particle whose parent isn't
        // recorded in the particle list.  This is not signficant;
        // it's possible for a particle not to be saved in the list
        // because it failed an energy cut, but for it to have a
        // daughter that passed the cut (e.g., a nuclear decay).
        return;
      }
      if (!parentEntry->second) return; // particle archived, nothing to update

      // Add the current particle to the daughter list of the parent.
      simb::MCParticle* parent = parentEntry->second;
      parent->AddDaughter(particleID);
    }

void larg4::UpdateDaughterInformation::SetParticleList ( sim::ParticleList *  p )

inline

Definition at line 391 of file ParticleListAction.cxx.

    {
      particleList = p;
    }

Member Data Documentation

sim::ParticleList * larg4::UpdateDaughterInformation::particleList

private

Definition at line 656 of file ParticleListAction_service.cxx.

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

• larg4/larg4/pluginActions/ParticleListAction_service.cxx
• larsim/larsim/LegacyLArG4/ParticleListAction.cxx