G4ChannelingOptrMultiParticleChangeCrossSection.cc

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#include "G4ChannelingOptrMultiParticleChangeCrossSection.hh"
#include "G4ChannelingOptrChangeCrossSection.hh"
#include "G4BiasingProcessInterface.hh"

#include "G4ProcessManager.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"

#include "G4SystemOfUnits.hh"

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G4ChannelingOptrMultiParticleChangeCrossSection::G4ChannelingOptrMultiParticleChangeCrossSection():
G4VBiasingOperator("ChannelingChangeXS-Many"),
fCurrentOperator(0),
fnInteractions(0){
    AddChargedParticles();
}

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void G4ChannelingOptrMultiParticleChangeCrossSection::AddParticle(G4String particleName){
  const G4ParticleDefinition* particle =
    G4ParticleTable::GetParticleTable()->FindParticle( particleName );
  
  if ( particle == 0 )
    {
      G4ExceptionDescription ed;
      ed << "Particle `" << particleName << "' not found !" << G4endl;
      G4Exception("G4ChannelingOptrMultiParticleChangeCrossSection::AddParticle(...)",
                  "G4Channeling",
                  JustWarning,
                  ed);
      return;
    }
  
  G4ChannelingOptrChangeCrossSection* optr = new G4ChannelingOptrChangeCrossSection(particleName);
  fParticlesToBias.push_back( particle );
  fBOptrForParticle[ particle ] = optr;
}

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void G4ChannelingOptrMultiParticleChangeCrossSection::AddChargedParticles(){
    G4ParticleTable::G4PTblDicIterator* aParticleIterator =
        (G4ParticleTable::GetParticleTable())->GetIterator();

    aParticleIterator->reset();
    
    while( (*aParticleIterator)() ){
        G4ParticleDefinition* particle = aParticleIterator->value();
        if (particle->GetPDGCharge() !=0) {
            AddParticle(particle->GetParticleName());
        }
    }
}

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G4VBiasingOperation*
G4ChannelingOptrMultiParticleChangeCrossSection::
ProposeOccurenceBiasingOperation(const G4Track* track,
                                 const G4BiasingProcessInterface* callingProcess){
  
  if ( fCurrentOperator ) return fCurrentOperator->
                            GetProposedOccurenceBiasingOperation(track, callingProcess);
  else                    return 0;
}

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void G4ChannelingOptrMultiParticleChangeCrossSection::StartTracking( const G4Track* track ){
  const G4ParticleDefinition* definition = track->GetParticleDefinition();
  std::map < const G4ParticleDefinition*, G4ChannelingOptrChangeCrossSection* > :: iterator
    it = fBOptrForParticle.find( definition );
  fCurrentOperator = 0;
  if ( it != fBOptrForParticle.end() ) fCurrentOperator = (*it).second;
  fnInteractions = 0;
}

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void 
G4ChannelingOptrMultiParticleChangeCrossSection::
OperationApplied( const G4BiasingProcessInterface*               callingProcess, 
                  G4BiasingAppliedCase                              biasingCase,
                  G4VBiasingOperation*                occurenceOperationApplied, 
                  G4double                        weightForOccurenceInteraction,
                  G4VBiasingOperation*               finalStateOperationApplied, 
                  const G4VParticleChange*               particleChangeProduced ){
  fnInteractions++;
  if ( fCurrentOperator ) fCurrentOperator->ReportOperationApplied( callingProcess,
                                                                    biasingCase,
                                                                    occurenceOperationApplied,
                                                                    weightForOccurenceInteraction,
                                                                    finalStateOperationApplied,
                                                                    particleChangeProduced );
}

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