Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/electromagnetic/TestEm8/src/StepMax.cc

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  1 //
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 25 //
 26 //
 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 29 
 30 #include "StepMax.hh"
 31 
 32 #include "DetectorConstruction.hh"
 33 
 34 #include "G4TransportationProcessType.hh"
 35 #include "G4VPhysicalVolume.hh"
 36 
 37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 38 
 39 StepMax::StepMax(DetectorConstruction* ptr, const G4String& processName)
 40   : G4VEmProcess(processName, fGeneral), fDetector(ptr)
 41 {
 42   SetProcessSubType(static_cast<G4int>(STEP_LIMITER));
 43 }
 44 
 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 46 
 47 G4bool StepMax::IsApplicable(const G4ParticleDefinition& part)
 48 {
 49   return (part.GetPDGCharge() != 0. && !part.IsShortLived());
 50 }
 51 
 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 53 
 54 void StepMax::PreparePhysicsTable(const G4ParticleDefinition&)
 55 {
 56   fIsInitialised = false;
 57 }
 58 
 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 60 
 61 void StepMax::BuildPhysicsTable(const G4ParticleDefinition&)
 62 {
 63   if (!fIsInitialised) {
 64     fMaxChargedStep = fDetector->GetMaxChargedStep();
 65     fWorld = fDetector->GetWorldPhysVol();
 66     fIsInitialised = true;
 67     if (fMaxChargedStep < DBL_MAX) {
 68       G4cout << GetProcessName() << ":  SubType= " << GetProcessSubType()
 69              << "  Step limit(mm)= " << fMaxChargedStep << G4endl;
 70     }
 71   }
 72 }
 73 
 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 75 
 76 void StepMax::InitialiseProcess(const G4ParticleDefinition*) {}
 77 
 78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 79 
 80 G4double StepMax::PostStepGetPhysicalInteractionLength(const G4Track& aTrack, G4double,
 81                                                        G4ForceCondition* condition)
 82 {
 83   // condition is set to "Not Forced"
 84   *condition = NotForced;
 85   return (aTrack.GetVolume() != fWorld) ? fMaxChargedStep : DBL_MAX;
 86 }
 87 
 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 89 
 90 G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
 91 {
 92   // do nothing
 93   aParticleChange.Initialize(aTrack);
 94   return &aParticleChange;
 95 }
 96 
 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 98