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25 //
26 // G4VRestContinuousDiscreteProcess
27 //
28 // Authors:
29 // - 2 December 1995, G.Cosmo - First implementation, based on object model
30 // - 8 January 1997, H.Kurashige - New Physics scheme
31 // --------------------------------------------------------------------
32
33 #include "G4VRestContinuousDiscreteProcess.hh"
34 #include "G4SystemOfUnits.hh"
35
36 #include "G4Step.hh"
37 #include "G4Track.hh"
38 #include "G4MaterialTable.hh"
39 #include "G4VParticleChange.hh"
40
41 // --------------------------------------------------------------------
42 G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess()
43 : G4VProcess("No Name Discrete Process")
44 {
45 G4Exception("G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess()",
46 "ProcMan102", JustWarning, "Default constructor is called");
47 }
48
49 // --------------------------------------------------------------------
50 G4VRestContinuousDiscreteProcess::
51 G4VRestContinuousDiscreteProcess(const G4String& aName, G4ProcessType aType)
52 : G4VProcess(aName, aType)
53 {
54 }
55
56 // --------------------------------------------------------------------
57 G4VRestContinuousDiscreteProcess::~G4VRestContinuousDiscreteProcess()
58 {
59 }
60
61 // --------------------------------------------------------------------
62 G4VRestContinuousDiscreteProcess::
63 G4VRestContinuousDiscreteProcess(G4VRestContinuousDiscreteProcess& right)
64 : G4VProcess(right),
65 valueGPILSelection(right.valueGPILSelection)
66 {
67 }
68
69 // --------------------------------------------------------------------
70 G4double G4VRestContinuousDiscreteProcess::
71 AtRestGetPhysicalInteractionLength( const G4Track& track,
72 G4ForceCondition* condition )
73 {
74 // beginning of tracking
75 ResetNumberOfInteractionLengthLeft();
76
77 // condition is set to "Not Forced"
78 *condition = NotForced;
79
80 // get mean life time
81 currentInteractionLength = GetMeanLifeTime(track, condition);
82
83 G4double time = (currentInteractionLength < DBL_MAX) ?
84 theNumberOfInteractionLengthLeft * currentInteractionLength : DBL_MAX;
85
86 #ifdef G4VERBOSE
87 if ((currentInteractionLength <0.0) || (verboseLevel>2))
88 {
89 G4double t = (currentInteractionLength < DBL_MAX) ?
90 currentInteractionLength/ns : DBL_MAX;
91 G4cout << "G4VRestContinuousDiscreteProcess::AtRestGetPhysicalInteractionLength() - ";
92 G4cout << "[ " << GetProcessName() << "]" << G4endl;
93 track.GetDynamicParticle()->DumpInfo();
94 G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
95 G4cout << "MeanLifeTime = " << t << " [ns]"
96 << G4endl;
97 }
98 #endif
99
100 return time;
101 }
102
103 // --------------------------------------------------------------------
104 G4VParticleChange*
105 G4VRestContinuousDiscreteProcess::AtRestDoIt( const G4Track&,
106 const G4Step& )
107 {
108 ClearNumberOfInteractionLengthLeft();
109
110 return pParticleChange;
111 }
112
113 // --------------------------------------------------------------------
114 G4double G4VRestContinuousDiscreteProcess::
115 AlongStepGetPhysicalInteractionLength( const G4Track& track,
116 G4double previousStepSize,
117 G4double currentMinimumStep,
118 G4double& currentSafety,
119 G4GPILSelection* selection )
120 {
121 // GPILSelection is set to defaule value of CandidateForSelection
122 valueGPILSelection = CandidateForSelection;
123
124 // get Step limit proposed by the process
125 G4double steplength = GetContinuousStepLimit(track, previousStepSize,
126 currentMinimumStep, currentSafety);
127
128 // set return value for G4GPILSelection
129 *selection = valueGPILSelection;
130
131 #ifdef G4VERBOSE
132 if (verboseLevel>1)
133 {
134 G4cout << "G4VRestContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength() - ";
135 G4cout << "[ " << GetProcessName() << "]" << G4endl;
136 track.GetDynamicParticle()->DumpInfo();
137 G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
138 G4cout << "IntractionLength= " << steplength/cm <<"[cm] " << G4endl;
139 }
140 #endif
141 return steplength;
142 }
143
144 // --------------------------------------------------------------------
145 G4VParticleChange*
146 G4VRestContinuousDiscreteProcess::AlongStepDoIt( const G4Track& ,
147 const G4Step& )
148 {
149 return pParticleChange;
150 }
151
152 // --------------------------------------------------------------------
153 G4double G4VRestContinuousDiscreteProcess::
154 PostStepGetPhysicalInteractionLength( const G4Track& track,
155 G4double previousStepSize,
156 G4ForceCondition* condition )
157 {
158 if ( (previousStepSize < 0.0) || (theNumberOfInteractionLengthLeft<=0.0))
159 {
160 // beginning of tracking (or just after DoIt() of this process)
161 ResetNumberOfInteractionLengthLeft();
162 }
163 else if ( previousStepSize > 0.0)
164 {
165 // subtract NumberOfInteractionLengthLeft
166 SubtractNumberOfInteractionLengthLeft(previousStepSize);
167 }
168 else
169 {
170 // zero step
171 // DO NOTHING
172 }
173
174 // condition is set to "Not Forced"
175 *condition = NotForced;
176
177 // get mean free path
178 currentInteractionLength = GetMeanFreePath(track,previousStepSize,condition);
179
180
181 G4double value;
182 if (currentInteractionLength < DBL_MAX)
183 {
184 value = theNumberOfInteractionLengthLeft * currentInteractionLength;
185 }
186 else
187 {
188 value = DBL_MAX;
189 }
190 #ifdef G4VERBOSE
191 if (verboseLevel>1)
192 {
193 G4cout << "G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength() - ";
194 G4cout << "[ " << GetProcessName() << "]" << G4endl;
195 track.GetDynamicParticle()->DumpInfo();
196 G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
197 G4cout << "InteractionLength= " << value/cm <<"[cm] " << G4endl;
198 }
199 #endif
200 return value;
201 }
202
203 // --------------------------------------------------------------------
204 G4VParticleChange*
205 G4VRestContinuousDiscreteProcess::PostStepDoIt( const G4Track& ,
206 const G4Step& )
207 {
208 ClearNumberOfInteractionLengthLeft();
209
210 return pParticleChange;
211 }
212