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>> 2 // the GEANT4 collaboration.
1 // 3 //
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14 // * regarding this software system or assum <<
15 // * use. Please see the license in the file <<
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17 // * <<
18 // * This code implementation is the result <<
19 // * technical work of the GEANT4 collaboratio <<
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25 // 7 //
>> 8 // $Id: G4Cerenkov.hh,v 1.3.4.1 1999/12/07 20:51:23 gunter Exp $
>> 9 // GEANT4 tag $Name: geant4-01-00 $
>> 10 //
>> 11 //
26 ////////////////////////////////////////////// 12 ////////////////////////////////////////////////////////////////////////
27 // Cerenkov Radiation Class Definition << 13 // Cerenkov Radiation Class Definition
28 ////////////////////////////////////////////// 14 ////////////////////////////////////////////////////////////////////////
29 // 15 //
30 // File: G4Cerenkov.hh << 16 // File: G4Cerenkov.hh
31 // Description: Discrete Process - Generation << 17 // Description: Continuous Process -- Generation of Cerenkov Photons
32 // Version: 2.0 18 // Version: 2.0
33 // Created: 1996-02-21 19 // Created: 1996-02-21
34 // Author: Juliet Armstrong 20 // Author: Juliet Armstrong
35 // Updated: 2007-09-30 change inheritance << 21 // 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 22 // 1997-04-09 by Peter Gumplinger
39 // > G4MaterialPropertiesTable; n 23 // > G4MaterialPropertiesTable; new physics/tracking scheme
>> 24 // mail: gum@triumf.ca
40 // 25 //
41 ////////////////////////////////////////////// 26 ////////////////////////////////////////////////////////////////////////
42 27
43 #ifndef G4Cerenkov_h 28 #ifndef G4Cerenkov_h
44 #define G4Cerenkov_h 1 29 #define G4Cerenkov_h 1
45 30
>> 31 /////////////
>> 32 // Includes
>> 33 /////////////
>> 34
46 #include "globals.hh" 35 #include "globals.hh"
>> 36 #include "templates.hh"
>> 37 #include "Randomize.hh"
>> 38 #include "G4ThreeVector.hh"
>> 39 #include "G4ParticleMomentum.hh"
>> 40 #include "G4Step.hh"
>> 41 #include "G4VContinuousProcess.hh"
>> 42 #include "G4OpticalPhoton.hh"
47 #include "G4DynamicParticle.hh" 43 #include "G4DynamicParticle.hh"
48 #include "G4ForceCondition.hh" << 44 #include "G4Material.hh"
49 #include "G4GPILSelection.hh" << 45 #include "G4PhysicsTable.hh"
50 #include "G4MaterialPropertyVector.hh" << 46 #include "G4MaterialPropertiesTable.hh"
51 #include "G4VProcess.hh" << 47 #include "G4PhysicsOrderedFreeVector.hh"
52 << 48
53 class G4Material; << 49 // Class Description:
54 class G4ParticleDefinition; << 50 // Continuous Process -- Generation of Cerenkov Photons.
55 class G4PhysicsTable; << 51 // Class inherits publicly from G4VContinuousProcess.
56 class G4Step; << 52 // Class Description - End:
57 class G4Track; << 53
58 class G4VParticleChange; << 54 /////////////////////
>> 55 // Class Definition
>> 56 /////////////////////
59 57
60 class G4Cerenkov : public G4VProcess << 58 class G4Cerenkov : public G4VContinuousProcess
61 { 59 {
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 60
178 G4bool fStackingFlag; << 61 private:
179 G4bool fTrackSecondariesFirst; << 62
>> 63 //////////////
>> 64 // Operators
>> 65 //////////////
>> 66
>> 67 // G4Cerenkov& operator=(const G4Cerenkov &right);
>> 68
>> 69 public: // Without description
>> 70
>> 71 ////////////////////////////////
>> 72 // Constructors and Destructor
>> 73 ////////////////////////////////
>> 74
>> 75 G4Cerenkov(const G4String& processName = "Cerenkov");
>> 76
>> 77 // G4Cerenkov(const G4Cerenkov &right);
>> 78
>> 79 ~G4Cerenkov();
>> 80
>> 81 ////////////
>> 82 // Methods
>> 83 ////////////
>> 84
>> 85 public: // With description
>> 86
>> 87 G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
>> 88 // Returns true -> 'is applicable', for all charged particles.
>> 89
>> 90 G4double GetContinuousStepLimit(const G4Track& aTrack,
>> 91 G4double ,
>> 92 G4double ,
>> 93 G4double& );
>> 94 // Returns the continuous step limit defined by the Cerenkov
>> 95 // process.
>> 96
>> 97 G4VParticleChange* AlongStepDoIt(const G4Track& aTrack,
>> 98 const G4Step& aStep);
>> 99 // This is the method implementing the Cerenkov process.
>> 100
>> 101 void SetTrackSecondariesFirst(const G4bool state);
>> 102 // If set, the primary particle tracking is interrupted and any
>> 103 // produced Cerenkov photons are tracked next. When all have
>> 104 // been tracked, the tracking of the primary resumes.
>> 105
>> 106 void SetMaxNumPhotonsPerStep(const G4int NumPhotons);
>> 107 // Set the maximum number of Cerenkov photons allowed to be
>> 108 // generated during a tracking step. This is an average ONLY;
>> 109 // the actual number will vary around this average. If invoked,
>> 110 // the maximum photon stack will roughly be of the size set.
>> 111 // If not called, the step is not limited by the number of
>> 112 // photons generated.
180 113
181 G4int secID = -1; // creator modelID << 114 G4PhysicsTable* GetPhysicsTable() const;
>> 115 // Returns the address of the physics table.
182 116
>> 117 void DumpPhysicsTable() const;
>> 118 // Prints the physics table.
>> 119
>> 120 private:
>> 121
>> 122 void BuildThePhysicsTable();
>> 123
>> 124 /////////////////////
>> 125 // Helper Functions
>> 126 /////////////////////
>> 127
>> 128 G4double GetAverageNumberOfPhotons(const G4DynamicParticle *aParticle,
>> 129 const G4Material *aMaterial,
>> 130 const G4MaterialPropertyVector* Rindex) const;
>> 131
>> 132 ///////////////////////
>> 133 // Class Data Members
>> 134 ///////////////////////
>> 135
>> 136 protected:
>> 137
>> 138 G4PhysicsTable* thePhysicsTable;
>> 139 // A Physics Table can be either a cross-sections table or
>> 140 // an energy table (or can be used for other specific
>> 141 // purposes).
>> 142
>> 143 private:
>> 144
>> 145 G4bool fTrackSecondariesFirst;
>> 146 G4int fMaxPhotons;
183 }; 147 };
184 148
185 inline G4bool G4Cerenkov::GetTrackSecondariesF << 149 ////////////////////
>> 150 // Inline methods
>> 151 ////////////////////
>> 152
>> 153 inline
>> 154 G4bool G4Cerenkov::IsApplicable(const G4ParticleDefinition& aParticleType)
186 { 155 {
187 return fTrackSecondariesFirst; << 156 return (aParticleType.GetPDGCharge() != 0);
188 } 157 }
189 158
190 inline G4double G4Cerenkov::GetMaxBetaChangePe << 159 inline
191 { << 160 void G4Cerenkov::SetTrackSecondariesFirst(const G4bool state)
192 return fMaxBetaChange; << 161 {
>> 162 fTrackSecondariesFirst = state;
193 } 163 }
194 164
195 inline G4int G4Cerenkov::GetMaxNumPhotonsPerSt << 165 inline
>> 166 void G4Cerenkov::SetMaxNumPhotonsPerStep(const G4int NumPhotons)
>> 167 {
>> 168 fMaxPhotons = NumPhotons;
>> 169 }
196 170
197 inline G4bool G4Cerenkov::GetStackPhotons() co << 171 inline
>> 172 void G4Cerenkov::DumpPhysicsTable() const
>> 173 {
>> 174 G4int PhysicsTableSize = thePhysicsTable->entries();
>> 175 G4PhysicsOrderedFreeVector *v;
198 176
199 inline G4int G4Cerenkov::GetNumPhotons() const << 177 for (G4int i = 0 ; i < PhysicsTableSize ; i++ )
>> 178 {
>> 179 v = (G4PhysicsOrderedFreeVector*)(*thePhysicsTable)[i];
>> 180 v->DumpValues();
>> 181 }
>> 182 }
200 183
201 inline G4PhysicsTable* G4Cerenkov::GetPhysicsT 184 inline G4PhysicsTable* G4Cerenkov::GetPhysicsTable() const
202 { 185 {
203 return thePhysicsTable; 186 return thePhysicsTable;
204 } 187 }
205 188
206 #endif /* G4Cerenkov_h */ 189 #endif /* G4Cerenkov_h */
207 190