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Geant4/examples/extended/polarisation/Pol01/src/StepMax.cc

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 25 //
 26 /// \file polarisation/Pol01/src/StepMax.cc
 27 /// \brief Implementation of the StepMax class
 28 //
 29 //
 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32 
 33 #include "StepMax.hh"
 34 
 35 #include "StepMaxMessenger.hh"
 36 
 37 #include "G4ParticleDefinition.hh"
 38 #include "G4Step.hh"
 39 
 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 41 
 42 StepMax::StepMax(const G4String& processName)
 43   : G4VDiscreteProcess(processName), fMaxChargedStep(DBL_MAX), fMessenger(0)
 44 {
 45   fMessenger = new StepMaxMessenger(this);
 46 }
 47 
 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 49 
 50 StepMax::~StepMax()
 51 {
 52   delete fMessenger;
 53 }
 54 
 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 56 
 57 G4bool StepMax::IsApplicable(const G4ParticleDefinition& particle)
 58 {
 59   return (particle.GetPDGCharge() != 0.);
 60 }
 61 
 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 63 
 64 void StepMax::SetMaxStep(G4double step)
 65 {
 66   fMaxChargedStep = step;
 67 }
 68 
 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 70 
 71 G4double StepMax::PostStepGetPhysicalInteractionLength(const G4Track& aTrack, G4double,
 72                                                        G4ForceCondition* condition)
 73 {
 74   // condition is set to "Not Forced"
 75   *condition = NotForced;
 76 
 77   G4double ProposedStep = DBL_MAX;
 78 
 79   if ((fMaxChargedStep > 0.) && (aTrack.GetVolume() != 0)
 80       && (aTrack.GetVolume()->GetName() != "World"))
 81     ProposedStep = fMaxChargedStep;
 82 
 83   return ProposedStep;
 84 }
 85 
 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 87 
 88 G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
 89 {
 90   // do nothing
 91   aParticleChange.Initialize(aTrack);
 92   return &aParticleChange;
 93 }
 94 
 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 96