Geant4  9.6.p02
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StepMax.cc
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29 // $Id$
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32 
33 #include "StepMax.hh"
34 // #include "StepMaxMessenger.hh"
35 // #include "Histo.hh"
36 #include "G4VPhysicalVolume.hh"
37 #include "G4SystemOfUnits.hh"
38 
40 
41 StepMax::StepMax(const G4String& processName)
42  : G4VDiscreteProcess(processName),
43  MaxChargedStep(DBL_MAX),
44  thDensity(0.1*gram/cm3),
45  first(true)
46 {
47  // pMess = new StepMaxMessenger(this);
48  // histo = Histo::GetPointer();
49 }
50 
52 
54 {
55  // delete pMess;
56 }
57 
59 
61 {
62  return ( particle.GetPDGCharge() != 0. );
63 }
64 
66 
67 void StepMax::SetMaxStep(G4double step) {MaxChargedStep = step;}
68 
70 
72  const G4Track& aTrack,
73  G4double,
75 {
76  // condition is set to "Not Forced"
77  *condition = NotForced;
78  ProposedStep = DBL_MAX;
79 
80  if(first)
81  {
82  // checkVolume = histo->CheckVolume();
83  // gasVolume = histo->GasVolume();
84  first = false;
85  }
86 
87  G4VPhysicalVolume* pv = aTrack.GetVolume();
88 
89  if( pv == gasVolume || pv == checkVolume ) ProposedStep = 0.0;
90 
91  else if( (aTrack.GetMaterial())->GetDensity() > thDensity &&
92  aTrack.GetPosition().z() < 0.0 ) ProposedStep = MaxChargedStep;
93 
94  return ProposedStep;
95 }
96 
98 
100 {
101  aParticleChange.Initialize(aTrack);
102 
103  if ( ProposedStep == 0.0 )
104  {
106  /*
107  if(1 < (Histo::GetPointer())->GetVerbose())
108  {
109  G4cout << "StepMax: " << aTrack.GetDefinition()->GetParticleName()
110  << " with energy = " << aTrack.GetKineticEnergy()/MeV
111  << " MeV is killed in Check volume at " << aTrack.GetPosition()
112  << G4endl;
113  }
114  */
115  }
116  return &aParticleChange;
117 }
118