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25 // 22 //
>> 23 //
>> 24 // $Id: G4Cerenkov.hh,v 1.5 2001/07/11 10:03:41 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-05-01 $
>> 26 //
>> 27 //
26 ////////////////////////////////////////////// 28 ////////////////////////////////////////////////////////////////////////
27 // Cerenkov Radiation Class Definition << 29 // Cerenkov Radiation Class Definition
28 ////////////////////////////////////////////// 30 ////////////////////////////////////////////////////////////////////////
29 // 31 //
30 // File: G4Cerenkov.hh << 32 // File: G4Cerenkov.hh
31 // Description: Discrete Process - Generation << 33 // Description: Continuous Process -- Generation of Cerenkov Photons
32 // Version: 2.0 34 // Version: 2.0
33 // Created: 1996-02-21 35 // Created: 1996-02-21
34 // Author: Juliet Armstrong 36 // Author: Juliet Armstrong
35 // Updated: 2007-09-30 change inheritance << 37 // Updated: 1999-10-29 add method and class descriptors
36 // 2005-07-28 add G4ProcessType t <<
37 // 1999-10-29 add method and clas <<
38 // 1997-04-09 by Peter Gumplinger 38 // 1997-04-09 by Peter Gumplinger
39 // > G4MaterialPropertiesTable; n 39 // > G4MaterialPropertiesTable; new physics/tracking scheme
>> 40 // mail: gum@triumf.ca
40 // 41 //
41 ////////////////////////////////////////////// 42 ////////////////////////////////////////////////////////////////////////
42 43
43 #ifndef G4Cerenkov_h 44 #ifndef G4Cerenkov_h
44 #define G4Cerenkov_h 1 45 #define G4Cerenkov_h 1
45 46
>> 47 /////////////
>> 48 // Includes
>> 49 /////////////
>> 50
46 #include "globals.hh" 51 #include "globals.hh"
>> 52 #include "templates.hh"
>> 53 #include "Randomize.hh"
>> 54 #include "G4ThreeVector.hh"
>> 55 #include "G4ParticleMomentum.hh"
>> 56 #include "G4Step.hh"
>> 57 #include "G4VContinuousProcess.hh"
>> 58 #include "G4OpticalPhoton.hh"
47 #include "G4DynamicParticle.hh" 59 #include "G4DynamicParticle.hh"
48 #include "G4ForceCondition.hh" << 60 #include "G4Material.hh"
49 #include "G4GPILSelection.hh" << 61 #include "G4PhysicsTable.hh"
50 #include "G4MaterialPropertyVector.hh" << 62 #include "G4MaterialPropertiesTable.hh"
51 #include "G4VProcess.hh" << 63 #include "G4PhysicsOrderedFreeVector.hh"
52 << 64
53 class G4Material; << 65 // Class Description:
54 class G4ParticleDefinition; << 66 // Continuous Process -- Generation of Cerenkov Photons.
55 class G4PhysicsTable; << 67 // Class inherits publicly from G4VContinuousProcess.
56 class G4Step; << 68 // Class Description - End:
57 class G4Track; << 69
58 class G4VParticleChange; << 70 /////////////////////
>> 71 // Class Definition
>> 72 /////////////////////
59 73
60 class G4Cerenkov : public G4VProcess << 74 class G4Cerenkov : public G4VContinuousProcess
61 { 75 {
62 public: <<
63 explicit G4Cerenkov(const G4String& processN <<
64 G4ProcessType type <<
65 ~G4Cerenkov(); <<
66 <<
67 explicit G4Cerenkov(const G4Cerenkov& right) <<
68 <<
69 G4Cerenkov& operator=(const G4Cerenkov& righ <<
70 <<
71 G4bool IsApplicable(const G4ParticleDefiniti <<
72 // Returns true -> 'is applicable', for all <<
73 // except short-lived particles. <<
74 <<
75 void BuildPhysicsTable(const G4ParticleDefin <<
76 // Build table at a right time <<
77 <<
78 void PreparePhysicsTable(const G4ParticleDef <<
79 void Initialise(); <<
80 <<
81 G4double GetMeanFreePath(const G4Track& aTra <<
82 // Returns the discrete step limit and sets <<
83 // condition for the DoIt to be invoked at e <<
84 <<
85 G4double PostStepGetPhysicalInteractionLengt <<
86 <<
87 // Returns the discrete step limit and sets <<
88 // condition for the DoIt to be invoked at e <<
89 <<
90 G4VParticleChange* PostStepDoIt(const G4Trac <<
91 const G4Step <<
92 // This is the method implementing the Ceren <<
93 <<
94 // no operation in AtRestDoIt and AlongSt <<
95 virtual G4double AlongStepGetPhysicalInterac <<
96 const G4Track&, G4double, G4double, G4doub <<
97 { <<
98 return -1.0; <<
99 }; <<
100 <<
101 virtual G4double AtRestGetPhysicalInteractio <<
102 const G4Track&, G4ForceCondition*) overrid <<
103 { <<
104 return -1.0; <<
105 }; <<
106 <<
107 // no operation in AtRestDoIt and AlongSt <<
108 virtual G4VParticleChange* AtRestDoIt(const <<
109 { <<
110 return nullptr; <<
111 }; <<
112 <<
113 virtual G4VParticleChange* AlongStepDoIt(con <<
114 con <<
115 { <<
116 return nullptr; <<
117 }; <<
118 <<
119 void SetTrackSecondariesFirst(const G4bool s <<
120 // If set, the primary particle tracking is <<
121 // produced Cerenkov photons are tracked nex <<
122 // been tracked, the tracking of the primary <<
123 <<
124 G4bool GetTrackSecondariesFirst() const; <<
125 // Returns the boolean flag for tracking sec <<
126 <<
127 void SetMaxBetaChangePerStep(const G4double <<
128 // Set the maximum allowed change in beta = <<
129 <<
130 G4double GetMaxBetaChangePerStep() const; <<
131 // Returns the maximum allowed change in bet <<
132 <<
133 void SetMaxNumPhotonsPerStep(const G4int Num <<
134 // Set the maximum number of Cerenkov photon <<
135 // a tracking step. This is an average ONLY; <<
136 // around this average. If invoked, the maxi <<
137 // of the size set. If not called, the step <<
138 // photons generated. <<
139 <<
140 G4int GetMaxNumPhotonsPerStep() const; <<
141 // Returns the maximum number of Cerenkov ph <<
142 // generated during a tracking step. <<
143 <<
144 void SetStackPhotons(const G4bool); <<
145 // Call by the user to set the flag for stac <<
146 <<
147 G4bool GetStackPhotons() const; <<
148 // Return the boolean for whether or not the <<
149 <<
150 G4int GetNumPhotons() const; <<
151 // Returns the current number of scint. phot <<
152 <<
153 G4PhysicsTable* GetPhysicsTable() const; <<
154 // Returns the address of the physics table. <<
155 <<
156 void DumpPhysicsTable() const; <<
157 // Prints the physics table. <<
158 <<
159 G4double GetAverageNumberOfPhotons(const G4d <<
160 const G4M <<
161 G4Materia <<
162 <<
163 void DumpInfo() const override {ProcessDescr <<
164 void ProcessDescription(std::ostream& out) c <<
165 <<
166 void SetVerboseLevel(G4int); <<
167 // sets verbosity <<
168 <<
169 protected: <<
170 G4PhysicsTable* thePhysicsTable; <<
171 <<
172 private: <<
173 G4double fMaxBetaChange; <<
174 <<
175 G4int fMaxPhotons; <<
176 G4int fNumPhotons; <<
177 76
178 G4bool fStackingFlag; << 77 private:
179 G4bool fTrackSecondariesFirst; << 78
>> 79 //////////////
>> 80 // Operators
>> 81 //////////////
>> 82
>> 83 // G4Cerenkov& operator=(const G4Cerenkov &right);
>> 84
>> 85 public: // Without description
>> 86
>> 87 ////////////////////////////////
>> 88 // Constructors and Destructor
>> 89 ////////////////////////////////
>> 90
>> 91 G4Cerenkov(const G4String& processName = "Cerenkov");
>> 92
>> 93 // G4Cerenkov(const G4Cerenkov &right);
>> 94
>> 95 ~G4Cerenkov();
>> 96
>> 97 ////////////
>> 98 // Methods
>> 99 ////////////
>> 100
>> 101 public: // With description
>> 102
>> 103 G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
>> 104 // Returns true -> 'is applicable', for all charged particles.
>> 105
>> 106 G4double GetContinuousStepLimit(const G4Track& aTrack,
>> 107 G4double ,
>> 108 G4double ,
>> 109 G4double& );
>> 110 // Returns the continuous step limit defined by the Cerenkov
>> 111 // process.
>> 112
>> 113 G4VParticleChange* AlongStepDoIt(const G4Track& aTrack,
>> 114 const G4Step& aStep);
>> 115 // This is the method implementing the Cerenkov process.
180 116
181 G4int secID = -1; // creator modelID << 117 void SetTrackSecondariesFirst(const G4bool state);
>> 118 // If set, the primary particle tracking is interrupted and any
>> 119 // produced Cerenkov photons are tracked next. When all have
>> 120 // been tracked, the tracking of the primary resumes.
>> 121
>> 122 void SetMaxNumPhotonsPerStep(const G4int NumPhotons);
>> 123 // Set the maximum number of Cerenkov photons allowed to be
>> 124 // generated during a tracking step. This is an average ONLY;
>> 125 // the actual number will vary around this average. If invoked,
>> 126 // the maximum photon stack will roughly be of the size set.
>> 127 // If not called, the step is not limited by the number of
>> 128 // photons generated.
182 129
>> 130 G4PhysicsTable* GetPhysicsTable() const;
>> 131 // Returns the address of the physics table.
>> 132
>> 133 void DumpPhysicsTable() const;
>> 134 // Prints the physics table.
>> 135
>> 136 private:
>> 137
>> 138 void BuildThePhysicsTable();
>> 139
>> 140 /////////////////////
>> 141 // Helper Functions
>> 142 /////////////////////
>> 143
>> 144 G4double GetAverageNumberOfPhotons(const G4DynamicParticle *aParticle,
>> 145 const G4Material *aMaterial,
>> 146 const G4MaterialPropertyVector* Rindex) const;
>> 147
>> 148 ///////////////////////
>> 149 // Class Data Members
>> 150 ///////////////////////
>> 151
>> 152 protected:
>> 153
>> 154 G4PhysicsTable* thePhysicsTable;
>> 155 // A Physics Table can be either a cross-sections table or
>> 156 // an energy table (or can be used for other specific
>> 157 // purposes).
>> 158
>> 159 private:
>> 160
>> 161 G4bool fTrackSecondariesFirst;
>> 162 G4int fMaxPhotons;
183 }; 163 };
184 164
185 inline G4bool G4Cerenkov::GetTrackSecondariesF << 165 ////////////////////
>> 166 // Inline methods
>> 167 ////////////////////
>> 168
>> 169 inline
>> 170 G4bool G4Cerenkov::IsApplicable(const G4ParticleDefinition& aParticleType)
186 { 171 {
187 return fTrackSecondariesFirst; << 172 return (aParticleType.GetPDGCharge() != 0);
188 } 173 }
189 174
190 inline G4double G4Cerenkov::GetMaxBetaChangePe << 175 inline
191 { << 176 void G4Cerenkov::SetTrackSecondariesFirst(const G4bool state)
192 return fMaxBetaChange; << 177 {
>> 178 fTrackSecondariesFirst = state;
193 } 179 }
194 180
195 inline G4int G4Cerenkov::GetMaxNumPhotonsPerSt << 181 inline
>> 182 void G4Cerenkov::SetMaxNumPhotonsPerStep(const G4int NumPhotons)
>> 183 {
>> 184 fMaxPhotons = NumPhotons;
>> 185 }
196 186
197 inline G4bool G4Cerenkov::GetStackPhotons() co << 187 inline
>> 188 void G4Cerenkov::DumpPhysicsTable() const
>> 189 {
>> 190 G4int PhysicsTableSize = thePhysicsTable->entries();
>> 191 G4PhysicsOrderedFreeVector *v;
198 192
199 inline G4int G4Cerenkov::GetNumPhotons() const << 193 for (G4int i = 0 ; i < PhysicsTableSize ; i++ )
>> 194 {
>> 195 v = (G4PhysicsOrderedFreeVector*)(*thePhysicsTable)[i];
>> 196 v->DumpValues();
>> 197 }
>> 198 }
200 199
201 inline G4PhysicsTable* G4Cerenkov::GetPhysicsT 200 inline G4PhysicsTable* G4Cerenkov::GetPhysicsTable() const
202 { 201 {
203 return thePhysicsTable; 202 return thePhysicsTable;
204 } 203 }
205 204
206 #endif /* G4Cerenkov_h */ 205 #endif /* G4Cerenkov_h */
207 206