Test30HadronProduction.cxx

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//
// -------------------------------------------------------------
//      GEANT 4 class 
//
//      ---------- Test30HadronProduction -------
//                by Vladimir Ivanchenko, 12 March 2002 
// 
//    Modified:
//
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#include "Test30HadronProduction.hh"
#include "Test30VSecondaryGenerator.hh"

#include "G4Track.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4DynamicParticle.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4VSolid.hh"
#include "G4Tubs.hh"
#include "Randomize.hh"
#include "G4LorentzVector.hh"
#include "G4ParticleChange.hh"

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Test30HadronProduction::Test30HadronProduction(const G4String& aName)
 :G4VDiscreteProcess(aName),
  theGenerator(0)
{
  InitializeMe();
}

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void Test30HadronProduction::InitializeMe()
{}

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Test30HadronProduction::~Test30HadronProduction()
{
  if(theGenerator) delete theGenerator;
}

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G4double Test30HadronProduction::PostStepGetPhysicalInteractionLength(
                       const G4Track&,
                             G4double,
                             G4ForceCondition* condition)
{
  // condition is set to "Not Forced"
  *condition = NotForced;
  G4double z = DBL_MAX;

  return z;
}

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void Test30HadronProduction::SetSecondaryGenerator(Test30VSecondaryGenerator* gen)
{
  if(theGenerator) delete theGenerator;
  theGenerator = gen;
}

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G4VParticleChange* Test30HadronProduction::PostStepDoIt(
                    const G4Track& track,
                    const G4Step&)
{
  G4HadFinalState* result = theGenerator->Secondaries(track);

  ClearNumberOfInteractionLengthLeft();
  theChange.Initialize(track);

  G4int ns = result->GetNumberOfSecondaries();
  G4int nb = ns;
  if(result->GetStatusChange() == isAlive) nb++;

  theChange.ProposeTrackStatus(fStopAndKill);
  theChange.SetNumberOfSecondaries(nb);

  for(G4int i=0; i<ns; i++) {
    G4Track* tr = new G4Track(result->GetSecondary(i)->GetParticle(),
                              track.GetGlobalTime(),
                              track.GetPosition());
    theChange.AddSecondary(tr);
  }

  if(result->GetStatusChange() == isAlive) {
    G4DynamicParticle* dp = new G4DynamicParticle(*(track.GetDynamicParticle()));
    G4Track* tr = new G4Track(dp,track.GetGlobalTime(),track.GetPosition());
    tr->SetKineticEnergy(result->GetEnergyChange());
    tr->SetMomentumDirection(result->GetMomentumChange());
    theChange.AddSecondary(tr);
  }
  result->Clear();

  return &theChange;
}


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