hadrontherapy/src/HadrontherapyStepMax.cc

0001 //
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0025 //
0026 // Hadrontherapy advanced example for Geant4
0027 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
0028
0029 #include "HadrontherapyStepMax.hh"
0030 #include "HadrontherapyStepMaxMessenger.hh"
0031
0032 /////////////////////////////////////////////////////////////////////////////
0033 HadrontherapyStepMax::HadrontherapyStepMax(const G4String& processName)
0034  : G4VDiscreteProcess(processName),MaxChargedStep(DBL_MAX)
0035 {
0036   pMess = new HadrontherapyStepMaxMessenger(this);
0037 }
0038
0039 /////////////////////////////////////////////////////////////////////////////
0040 HadrontherapyStepMax::~HadrontherapyStepMax() { delete pMess; }
0041
0042 /////////////////////////////////////////////////////////////////////////////
0043 G4bool HadrontherapyStepMax::IsApplicable(const G4ParticleDefinition& particle)
0044 {
0045   return (particle.GetPDGCharge() != 0.);
0046 }
0047
0048 /////////////////////////////////////////////////////////////////////////////
0049 void HadrontherapyStepMax::SetMaxStep(G4double step) {MaxChargedStep = step;}
0050
0051 /////////////////////////////////////////////////////////////////////////////
0052 G4double HadrontherapyStepMax::PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
0053                                                   G4double,
0054                                                   G4ForceCondition* condition )
0055 {
0056   // condition is set to "Not Forced"
0057   *condition = NotForced;
0058
0059   G4double ProposedStep = DBL_MAX;
0060 if((MaxChargedStep > 0.) &&
0061    (aTrack.GetVolume() != 0) && ((aTrack.GetVolume()->GetName() == "DetectorPhys")||(aTrack.GetVolume()->GetName() == "InternalChamber")||(aTrack.GetVolume()->GetName() == "CollimatorHole")||(aTrack.GetVolume()->GetName() == "PhysFourthTQuad")||(aTrack.GetVolume()->GetName() == "PhysThirdTQuad")||(aTrack.GetVolume()->GetName() == "PhysSecondTQuad")||(aTrack.GetVolume()->GetName() == "PhysFirstTQuad")||(aTrack.GetVolume()->GetName() =="physQuadChamber")||(aTrack.GetVolume()->GetName() =="PVirtualMag")||(aTrack.GetVolume()->GetName() =="PhysicCup")))
0062
0063      ProposedStep = MaxChargedStep;
0064
0065   return ProposedStep;
0066 }
0067
0068 /////////////////////////////////////////////////////////////////////////////
0069 G4VParticleChange* HadrontherapyStepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
0070 {
0071    // do nothing
0072    aParticleChange.Initialize(aTrack);
0073    return &aParticleChange;
0074 }
0075