TestEm8/src/StepMax.cc

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0025 //
0026 /// \file StepMax.cc
0027 /// \brief Implementation of the StepMax class
0028
0029 #include "StepMax.hh"
0030
0031 #include "DetectorConstruction.hh"
0032
0033 #include "G4TransportationProcessType.hh"
0034 #include "G4VPhysicalVolume.hh"
0035
0036 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0037
0038 StepMax::StepMax(DetectorConstruction* ptr, const G4String& processName)
0039   : G4VEmProcess(processName, fGeneral), fDetector(ptr)
0040 {
0041   SetProcessSubType(static_cast<G4int>(STEP_LIMITER));
0042 }
0043
0044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0045
0046 G4bool StepMax::IsApplicable(const G4ParticleDefinition& part)
0047 {
0048   return (part.GetPDGCharge() != 0. && !part.IsShortLived());
0049 }
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 void StepMax::PreparePhysicsTable(const G4ParticleDefinition&)
0054 {
0055   fIsInitialised = false;
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 void StepMax::BuildPhysicsTable(const G4ParticleDefinition&)
0061 {
0062   if (!fIsInitialised) {
0063     fMaxChargedStep = fDetector->GetMaxChargedStep();
0064     fWorld = fDetector->GetWorldPhysVol();
0065     fIsInitialised = true;
0066     if (fMaxChargedStep < DBL_MAX) {
0067       G4cout << GetProcessName() << ":  SubType= " << GetProcessSubType()
0068              << "  Step limit(mm)= " << fMaxChargedStep << G4endl;
0069     }
0070   }
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0074
0075 void StepMax::InitialiseProcess(const G4ParticleDefinition*) {}
0076
0077 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0078
0079 G4double StepMax::PostStepGetPhysicalInteractionLength(const G4Track& aTrack, G4double,
0080                                                        G4ForceCondition* condition)
0081 {
0082   // condition is set to "Not Forced"
0083   *condition = NotForced;
0084   return (aTrack.GetVolume() != fWorld) ? fMaxChargedStep : DBL_MAX;
0085 }
0086
0087 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0088
0089 G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
0090 {
0091   // do nothing
0092   aParticleChange.Initialize(aTrack);
0093   return &aParticleChange;
0094 }
0095
0096 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......