Pol01/src/StepMax.cc

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0025 //
0026 /// \file polarisation/Pol01/src/StepMax.cc
0027 /// \brief Implementation of the StepMax class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "StepMax.hh"
0034
0035 #include "StepMaxMessenger.hh"
0036
0037 #include "G4ParticleDefinition.hh"
0038 #include "G4Step.hh"
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041
0042 StepMax::StepMax(const G4String& processName)
0043   : G4VDiscreteProcess(processName), fMaxChargedStep(DBL_MAX), fMessenger(0)
0044 {
0045   fMessenger = new StepMaxMessenger(this);
0046 }
0047
0048 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0049
0050 StepMax::~StepMax()
0051 {
0052   delete fMessenger;
0053 }
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 G4bool StepMax::IsApplicable(const G4ParticleDefinition& particle)
0058 {
0059   return (particle.GetPDGCharge() != 0.);
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 void StepMax::SetMaxStep(G4double step)
0065 {
0066   fMaxChargedStep = step;
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 G4double StepMax::PostStepGetPhysicalInteractionLength(const G4Track& aTrack, G4double,
0072                                                        G4ForceCondition* condition)
0073 {
0074   // condition is set to "Not Forced"
0075   *condition = NotForced;
0076
0077   G4double ProposedStep = DBL_MAX;
0078
0079   if ((fMaxChargedStep > 0.) && (aTrack.GetVolume() != 0)
0080       && (aTrack.GetVolume()->GetName() != "World"))
0081     ProposedStep = fMaxChargedStep;
0082
0083   return ProposedStep;
0084 }
0085
0086 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0087
0088 G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
0089 {
0090   // do nothing
0091   aParticleChange.Initialize(aTrack);
0092   return &aParticleChange;
0093 }
0094
0095 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......