Geant4_10
G4MaxTimeCuts.cc
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27 // --------------------------------------------------------------
28 // GEANT 4
29 //
30 // For information related to this code contact: Alex Howard
31 // e-mail: a.s.howard@ic.ac.uk
32 // --------------------------------------------------------------
33 // Comments
34 //
35 // by A. Howard and H. Araujo
36 // (27th November 2001)
37 //
38 // G4MaxTimeCuts program
39 // --------------------------------------------------------------
40 
41 #include "G4MaxTimeCuts.hh"
42 
43 #include "G4PhysicalConstants.hh"
44 #include "G4Step.hh"
45 #include "G4UserLimits.hh"
46 #include "G4VParticleChange.hh"
47 #include "G4EnergyLossTables.hh"
48 
49 
51  : G4SpecialCuts(aName)
52 {
53  if (verboseLevel>1) {
54  G4cout << GetProcessName() << " is created "<< G4endl;
55  }
57 }
58 
60 {}
61 
63 {}
64 
65 
67  const G4Track& aTrack,
68  G4double ,
70  )
71 {
72  // condition is set to "Not Forced"
73  *condition = NotForced;
74 
75  G4double proposedStep = DBL_MAX;
76  // get the pointer to UserLimits
77  G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
78  const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
79 
80  // can apply cuts for specific particles - use if(particleDef):
81  // G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
82 
83  // G4cout << " Time: " << pUserLimits->GetUserMaxTime(aTrack) << G4endl;
84 
85  if (pUserLimits) {
86  G4double temp = DBL_MAX;
87  //max time limit
88  G4double dTime= (pUserLimits->GetUserMaxTime(aTrack) - aTrack.GetGlobalTime());
89  if (dTime < 0. ) {
90  proposedStep = 0.;
91  } else {
92  G4double beta = (aParticle->GetTotalMomentum())/(aParticle->GetTotalEnergy());
93  temp = beta*c_light*dTime;
94  if (proposedStep > temp) proposedStep = temp;
95  }
96 
97  }
98  return proposedStep;
99 }
G4double condition(const G4ErrorSymMatrix &m)
G4int verboseLevel
Definition: G4VProcess.hh:368
G4MaxTimeCuts(const G4String &processName="G4MaxTimeCuts")
G4double GetTotalEnergy() const
const G4DynamicParticle * GetDynamicParticle() const
virtual ~G4MaxTimeCuts()
G4double GetTotalMomentum() const
G4GLOB_DLL std::ostream G4cout
virtual G4double GetUserMaxTime(const G4Track &)
G4double GetGlobalTime() const
const G4String & GetProcessName() const
Definition: G4VProcess.hh:408
G4UserLimits * GetUserLimits() const
virtual G4double PostStepGetPhysicalInteractionLength(const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
G4LogicalVolume * GetLogicalVolume() const
G4VPhysicalVolume * GetVolume() const
#define G4endl
Definition: G4ios.hh:61
void SetProcessType(G4ProcessType)
Definition: G4VProcess.hh:420
double G4double
Definition: G4Types.hh:76
G4ForceCondition
#define DBL_MAX
Definition: templates.hh:83
float c_light
Definition: hepunit.py:257