Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | List of all members
G4ErrorEnergyLoss Class Reference

#include <G4ErrorEnergyLoss.hh>

+ Inheritance diagram for G4ErrorEnergyLoss:

Public Member Functions

 G4ErrorEnergyLoss (const G4String &processName="G4ErrorEnergyLoss", G4ProcessType type=fElectromagnetic)
 
virtual ~G4ErrorEnergyLoss ()
 
G4bool IsApplicable (const G4ParticleDefinition &aParticleType)
 
G4double GetContinuousStepLimit (const G4Track &aTrack, G4double, G4double currentMinimumStep, G4double &)
 
G4VParticleChange * AlongStepDoIt (const G4Track &aTrack, const G4Step &aStep)
 
G4double GetStepLimit () const
 
void SetStepLimit (G4double val)
 
- Public Member Functions inherited from G4VContinuousProcess
 G4VContinuousProcess (const G4String &, G4ProcessType aType=fNotDefined)
 
 G4VContinuousProcess (G4VContinuousProcess &)
 
virtual ~G4VContinuousProcess ()
 
virtual G4double AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
 
virtual G4VParticleChange * AlongStepDoIt (const G4Track &, const G4Step &)
 
virtual G4double PostStepGetPhysicalInteractionLength (const G4Track &, G4double, G4ForceCondition *)
 
virtual G4double AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
 
virtual G4VParticleChange * AtRestDoIt (const G4Track &, const G4Step &)
 
virtual G4VParticleChange * PostStepDoIt (const G4Track &, const G4Step &)
 
- Public Member Functions inherited from G4VProcess
 G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
 
 G4VProcess (const G4VProcess &right)
 
virtual ~G4VProcess ()
 
G4int operator== (const G4VProcess &right) const
 
G4int operator!= (const G4VProcess &right) const
 
virtual G4VParticleChange * PostStepDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4VParticleChange * AlongStepDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4VParticleChange * AtRestDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4double AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)=0
 
virtual G4double AtRestGetPhysicalInteractionLength (const G4Track &track, G4ForceCondition *condition)=0
 
virtual G4double PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)=0
 
G4double GetCurrentInteractionLength () const
 
void SetPILfactor (G4double value)
 
G4double GetPILfactor () const
 
G4double AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
 
G4double AtRestGPIL (const G4Track &track, G4ForceCondition *condition)
 
G4double PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
 
virtual G4bool IsApplicable (const G4ParticleDefinition &)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void PreparePhysicsTable (const G4ParticleDefinition &)
 
virtual G4bool StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
 
virtual G4bool RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
 
const G4String & GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)
 
const G4String & GetProcessName () const
 
G4ProcessType GetProcessType () const
 
void SetProcessType (G4ProcessType)
 
G4int GetProcessSubType () const
 
void SetProcessSubType (G4int)
 
virtual void StartTracking (G4Track *)
 
virtual void EndTracking ()
 
virtual void SetProcessManager (const G4ProcessManager *)
 
virtual const G4ProcessManager * GetProcessManager ()
 
virtual void ResetNumberOfInteractionLengthLeft ()
 
G4double GetNumberOfInteractionLengthLeft () const
 
G4double GetTotalNumberOfInteractionLengthTraversed () const
 
G4bool isAtRestDoItIsEnabled () const
 
G4bool isAlongStepDoItIsEnabled () const
 
G4bool isPostStepDoItIsEnabled () const
 
virtual void DumpInfo () const
 
void SetVerboseLevel (G4int value)
 
G4int GetVerboseLevel () const
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VProcess
static const G4String & GetProcessTypeName (G4ProcessType)
 
- Protected Member Functions inherited from G4VContinuousProcess
virtual G4double GetContinuousStepLimit (const G4Track &aTrack, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety)=0
 
void SetGPILSelection (G4GPILSelection selection)
 
G4GPILSelection GetGPILSelection () const
 
- Protected Member Functions inherited from G4VProcess
void SubtractNumberOfInteractionLengthLeft (G4double previousStepSize)
 
void ClearNumberOfInteractionLengthLeft ()
 
- Protected Attributes inherited from G4VProcess
const G4ProcessManager * aProcessManager
 
G4VParticleChange * pParticleChange
 
G4ParticleChange aParticleChange
 
G4double theNumberOfInteractionLengthLeft
 
G4double currentInteractionLength
 
G4double theInitialNumberOfInteractionLength
 
G4String theProcessName
 
G4String thePhysicsTableFileName
 
G4ProcessType theProcessType
 
G4int theProcessSubType
 
G4double thePILfactor
 
G4bool enableAtRestDoIt
 
G4bool enableAlongStepDoIt
 
G4bool enablePostStepDoIt
 
G4int verboseLevel
 

Detailed Description

Definition at line 47 of file G4ErrorEnergyLoss.hh.

Constructor & Destructor Documentation

◆ G4ErrorEnergyLoss()

G4ErrorEnergyLoss::G4ErrorEnergyLoss ( const G4String &  processName = "G4ErrorEnergyLoss",
G4ProcessType  type = fElectromagnetic 
)

Definition at line 32 of file G4ErrorEnergyLoss.cc.

34 : G4VContinuousProcess(processName, type)
35{
36 if (verboseLevel>2) {
37 G4cout << GetProcessName() << " is created " << G4endl;
38 }
39
40 theELossForExtrapolator = new G4EnergyLossForExtrapolator;
41
42 theStepLimit = 1.;
43}
G4endl
#define G4endl
Definition: G4ios.hh:52
G4cout
G4DLLIMPORT std::ostream G4cout
G4VProcess::verboseLevel
G4int verboseLevel
Definition: G4VProcess.hh:368
G4VProcess::GetProcessName
const G4String & GetProcessName() const
Definition: G4VProcess.hh:379

◆ ~G4ErrorEnergyLoss()

G4ErrorEnergyLoss::~G4ErrorEnergyLoss ( )
virtual

Definition at line 51 of file G4ErrorEnergyLoss.cc.

52{
53 delete theELossForExtrapolator;
54}

Member Function Documentation

◆ AlongStepDoIt()

G4VParticleChange * G4ErrorEnergyLoss::AlongStepDoIt ( const G4Track &  aTrack,
const G4Step &  aStep 
)
virtual

Reimplemented from G4VContinuousProcess.

Definition at line 58 of file G4ErrorEnergyLoss.cc.

59{
60 aParticleChange.Initialize(aTrack);
61
62 G4ErrorPropagatorData* g4edata = G4ErrorPropagatorData::GetErrorPropagatorData();
63
64 G4double kinEnergyStart = aTrack.GetKineticEnergy();
65 G4double step_length = aStep.GetStepLength();
66
67 const G4Material* aMaterial = aTrack.GetMaterial();
68 const G4ParticleDefinition* aParticleDef = aTrack.GetDynamicParticle()->GetDefinition();
69 G4double kinEnergyEnd = kinEnergyStart;
70
71 if( g4edata->GetMode() == G4ErrorMode(G4ErrorMode_PropBackwards) ) {
72 kinEnergyEnd = theELossForExtrapolator->EnergyBeforeStep( kinEnergyStart,
73 step_length,
74 aMaterial,
75 aParticleDef );
76 G4double kinEnergyHalfStep = kinEnergyStart - (kinEnergyStart-kinEnergyEnd)/2.;
77
78#ifdef G4VERBOSE
79 if(G4ErrorPropagatorData::verbose() >= 3 )
80 G4cout << " G4ErrorEnergyLoss FWD end " << kinEnergyEnd
81 << " halfstep " << kinEnergyHalfStep << G4endl;
82#endif
83
84 //--- rescale to energy lost at 1/2 step
85 kinEnergyEnd = theELossForExtrapolator->EnergyBeforeStep( kinEnergyHalfStep,
86 step_length,
87 aMaterial,
88 aParticleDef );
89 kinEnergyEnd = kinEnergyStart - (kinEnergyHalfStep - kinEnergyEnd );
90 }else if( g4edata->GetMode() == G4ErrorMode(G4ErrorMode_PropForwards) ) {
91 kinEnergyEnd = theELossForExtrapolator->EnergyAfterStep( kinEnergyStart,
92 step_length,
93 aMaterial,
94 aParticleDef );
95 G4double kinEnergyHalfStep = kinEnergyStart - (kinEnergyStart-kinEnergyEnd)/2.;
96#ifdef G4VERBOSE
97 if(G4ErrorPropagatorData::verbose() >= 3 )
98 G4cout << " G4ErrorEnergyLoss BCKD end " << kinEnergyEnd
99 << " halfstep " << kinEnergyHalfStep << G4endl;
100#endif
101
102 //--- rescale to energy lost at 1/2 step
103 kinEnergyEnd = theELossForExtrapolator->EnergyAfterStep( kinEnergyHalfStep,
104 step_length,
105 aMaterial,
106 aParticleDef );
107 kinEnergyEnd = kinEnergyStart - (kinEnergyHalfStep - kinEnergyEnd );
108 }
109
110 G4double edepo = kinEnergyEnd - kinEnergyStart;
111
112#ifdef G4VERBOSE
113 if( G4ErrorPropagatorData::verbose() >= 2 )
114 G4cout << "AlongStepDoIt Estart= " << kinEnergyStart << " Eend " << kinEnergyEnd
115 << " Ediff " << kinEnergyStart-kinEnergyEnd << " step= " << step_length
116 << " mate= " << aMaterial->GetName()
117 << " particle= " << aParticleDef->GetParticleName() << G4endl;
118#endif
119
120 aParticleChange.ClearDebugFlag();
121 aParticleChange.ProposeLocalEnergyDeposit( edepo );
122 aParticleChange.SetNumberOfSecondaries(0);
123
124 aParticleChange.ProposeEnergy( kinEnergyEnd );
125
126 return &aParticleChange;
127}
G4ErrorMode_PropForwards
@ G4ErrorMode_PropForwards
Definition: G4ErrorPropagatorData.hh:47
G4ErrorMode_PropBackwards
@ G4ErrorMode_PropBackwards
Definition: G4ErrorPropagatorData.hh:48
G4double
double G4double
Definition: G4Types.hh:64
G4DynamicParticle::GetDefinition
G4ParticleDefinition * GetDefinition() const
G4EnergyLossForExtrapolator::EnergyBeforeStep
G4double EnergyBeforeStep(G4double kinEnergy, G4double step, const G4Material *, const G4ParticleDefinition *)
Definition: G4EnergyLossForExtrapolator.cc:147
G4EnergyLossForExtrapolator::EnergyAfterStep
G4double EnergyAfterStep(G4double kinEnergy, G4double step, const G4Material *, const G4ParticleDefinition *)
Definition: G4EnergyLossForExtrapolator.cc:123
G4ErrorPropagatorData::GetErrorPropagatorData
static G4ErrorPropagatorData * GetErrorPropagatorData()
Definition: G4ErrorPropagatorData.cc:53
G4ErrorPropagatorData::GetMode
G4ErrorMode GetMode() const
G4Material::GetName
const G4String & GetName() const
Definition: G4Material.hh:177
G4ParticleChange::ProposeEnergy
void ProposeEnergy(G4double finalEnergy)
G4ParticleChange::Initialize
virtual void Initialize(const G4Track &)
Definition: G4ParticleChange.cc:228
G4ParticleDefinition::GetParticleName
const G4String & GetParticleName() const
Definition: G4ParticleDefinition.hh:115
G4Step::GetStepLength
G4double GetStepLength() const
G4Track::GetMaterial
G4Material * GetMaterial() const
G4Track::GetDynamicParticle
const G4DynamicParticle * GetDynamicParticle() const
G4Track::GetKineticEnergy
G4double GetKineticEnergy() const
G4VParticleChange::ProposeLocalEnergyDeposit
void ProposeLocalEnergyDeposit(G4double anEnergyPart)
G4VParticleChange::SetNumberOfSecondaries
void SetNumberOfSecondaries(G4int totSecondaries)
G4VProcess::aParticleChange
G4ParticleChange aParticleChange
Definition: G4VProcess.hh:289

◆ GetContinuousStepLimit()

G4double G4ErrorEnergyLoss::GetContinuousStepLimit ( const G4Track &  aTrack,
G4double  ,
G4double  currentMinimumStep,
G4double &   
)
virtual

Implements G4VContinuousProcess.

Definition at line 131 of file G4ErrorEnergyLoss.cc.

135{
136 G4double Step = DBL_MAX;
137 if( theStepLimit != 1. ) {
138 G4double kinEnergyStart = aTrack.GetKineticEnergy();
139 G4double kinEnergyLoss = kinEnergyStart;
140 const G4Material* aMaterial = aTrack.GetMaterial();
141 const G4ParticleDefinition* aParticleDef = aTrack.GetDynamicParticle()->GetDefinition();
142 G4ErrorPropagatorData* g4edata = G4ErrorPropagatorData::GetErrorPropagatorData();
143 if( g4edata->GetMode() == G4ErrorMode(G4ErrorMode_PropBackwards) ) {
144 kinEnergyLoss = - kinEnergyStart +
145 theELossForExtrapolator->EnergyBeforeStep( kinEnergyStart, currentMinimumStep,
146 aMaterial, aParticleDef );
147 }else if( g4edata->GetMode() == G4ErrorMode(G4ErrorMode_PropForwards) ) {
148 kinEnergyLoss = kinEnergyStart -
149 theELossForExtrapolator->EnergyAfterStep( kinEnergyStart, currentMinimumStep,
150 aMaterial, aParticleDef );
151 }
152#ifdef G4VERBOSE
153 if(G4ErrorPropagatorData::verbose() >= 3 )
154 G4cout << " G4ErrorEnergyLoss: currentMinimumStep " <<currentMinimumStep
155 << " kinEnergyLoss " << kinEnergyLoss
156 << " kinEnergyStart " << kinEnergyStart << G4endl;
157#endif
158 if( kinEnergyLoss / kinEnergyStart > theStepLimit ) {
159 Step = theStepLimit / (kinEnergyLoss / kinEnergyStart) * currentMinimumStep;
160#ifdef G4VERBOSE
161 if(G4ErrorPropagatorData::verbose() >= 2 )
162 G4cout << " G4ErrorEnergyLoss: limiting Step " << Step
163 << " energy loss fraction " << kinEnergyLoss / kinEnergyStart
164 << " > " << theStepLimit << G4endl;
165#endif
166 }
167 }
168
169 return Step;
170
171}
DBL_MAX
#define DBL_MAX
Definition: templates.hh:83

◆ GetStepLimit()

G4double G4ErrorEnergyLoss::GetStepLimit ( ) const
inline

Definition at line 72 of file G4ErrorEnergyLoss.hh.

72{ return theStepLimit; }

◆ IsApplicable()

G4bool G4ErrorEnergyLoss::IsApplicable ( const G4ParticleDefinition &  aParticleType)
inlinevirtual

Reimplemented from G4VProcess.

Definition at line 95 of file G4ErrorEnergyLoss.hh.

96{
97 return (aParticleType.GetPDGCharge() != 0);
98}
G4ParticleDefinition::GetPDGCharge
G4double GetPDGCharge() const
Definition: G4ParticleDefinition.hh:119

◆ SetStepLimit()

void G4ErrorEnergyLoss::SetStepLimit ( G4double  val)
inline

Definition at line 73 of file G4ErrorEnergyLoss.hh.

73{ theStepLimit = val; }

Referenced by G4ErrorMessenger::SetNewValue().

The documentation for this class was generated from the following files: