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25 // 25 //
26 /// \file exoticphysics/monopole/src/G4Monopol 26 /// \file exoticphysics/monopole/src/G4MonopoleFieldSetup.cc
27 /// \brief Implementation of the G4MonopoleFie 27 /// \brief Implementation of the G4MonopoleFieldSetup class
28 // 28 //
29 // 29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 // 32 //
33 // 33 //
34 // G4MonopoleFieldSetup is responsible for set 34 // G4MonopoleFieldSetup is responsible for setting up a magnetic field
35 // and the ability to use it with two differen << 35 // and the ability to use it with two different equation of motions,
36 // one for monopoles and another for the rest << 36 // one for monopoles and another for the rest of the particles.
37 // << 37 //
38 // << 38 //
39 39
40 // =========================================== 40 // =======================================================================
41 // Created: 13 May 2010, B. Bozsogi 41 // Created: 13 May 2010, B. Bozsogi
42 // =========================================== 42 // =======================================================================
43 43
44 #include "G4MonopoleFieldSetup.hh" 44 #include "G4MonopoleFieldSetup.hh"
>> 45 #include "G4MonopoleFieldMessenger.hh"
45 46
46 #include "G4ChordFinder.hh" << 47 #include "G4MagneticField.hh"
>> 48 #include "G4UniformMagField.hh"
47 #include "G4FieldManager.hh" 49 #include "G4FieldManager.hh"
48 #include "G4MagIntegratorStepper.hh" << 50 #include "G4TransportationManager.hh"
49 #include "G4Mag_UsualEqRhs.hh" 51 #include "G4Mag_UsualEqRhs.hh"
50 #include "G4MagneticField.hh" <<
51 #include "G4MonopoleEquation.hh" 52 #include "G4MonopoleEquation.hh"
52 #include "G4MonopoleFieldMessenger.hh" << 53 #include "G4MagIntegratorStepper.hh"
53 #include "G4TransportationManager.hh" << 54 #include "G4ChordFinder.hh"
54 #include "G4UniformMagField.hh" <<
55 55
56 // #include "G4ExplicitEuler.hh" 56 // #include "G4ExplicitEuler.hh"
57 // #include "G4ImplicitEuler.hh" 57 // #include "G4ImplicitEuler.hh"
58 // #include "G4SimpleRunge.hh" 58 // #include "G4SimpleRunge.hh"
59 // #include "G4SimpleHeum.hh" 59 // #include "G4SimpleHeum.hh"
60 #include "G4ClassicalRK4.hh" 60 #include "G4ClassicalRK4.hh"
61 // #include "G4HelixExplicitEuler.hh" 61 // #include "G4HelixExplicitEuler.hh"
62 // #include "G4HelixImplicitEuler.hh" 62 // #include "G4HelixImplicitEuler.hh"
63 // #include "G4HelixSimpleRunge.hh" 63 // #include "G4HelixSimpleRunge.hh"
64 // #include "G4CashKarpRKF45.hh" 64 // #include "G4CashKarpRKF45.hh"
65 // #include "G4RKG3_Stepper.hh" 65 // #include "G4RKG3_Stepper.hh"
66 66
67 #include "G4SystemOfUnits.hh" 67 #include "G4SystemOfUnits.hh"
68 68
69 // G4MonopoleFieldSetup* G4MonopoleFieldSetup: << 69 //G4MonopoleFieldSetup* G4MonopoleFieldSetup::fMonopoleFieldSetup=0;
70 70
71 //....oooOO0OOooo........oooOO0OOooo........oo 71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 72
73 G4MonopoleFieldSetup::G4MonopoleFieldSetup() 73 G4MonopoleFieldSetup::G4MonopoleFieldSetup()
74 : fFieldManager(0), << 74 : fFieldManager(0),
75 fChordFinder(0), << 75 fChordFinder(0),
76 fUsualChordFinder(0), << 76 fUsualChordFinder(0),
77 fMonopoleChordFinder(0), << 77 fMonopoleChordFinder(0),
78 fEquation(0), << 78 fEquation(0),
79 fMonopoleEquation(0), << 79 fMonopoleEquation(0),
80 fMagneticField(0), << 80 fMagneticField(0),
81 fStepper(0), << 81 fStepper(0),
82 fMonopoleStepper(0), << 82 fMonopoleStepper(0),
83 fMinStep(0.0), << 83 fMinStep(0.0),
84 fZmagFieldValue(0.2 * tesla), << 84 fZmagFieldValue(0.2*tesla),
85 fMonopoleFieldMessenger(0) << 85 fMonopoleFieldMessenger(0)
86 { 86 {
>> 87
87 fMonopoleFieldMessenger = new G4MonopoleFiel 88 fMonopoleFieldMessenger = new G4MonopoleFieldMessenger(this);
88 fFieldManager = GetGlobalFieldManager(); 89 fFieldManager = GetGlobalFieldManager();
89 } 90 }
90 91
91 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92 93
93 // G4MonopoleFieldSetup* G4MonopoleFieldSetup: 94 // G4MonopoleFieldSetup* G4MonopoleFieldSetup::GetMonopoleFieldSetup()
94 // { 95 // {
95 // if (0 == fMonopoleFieldSetup) 96 // if (0 == fMonopoleFieldSetup)
96 // { 97 // {
97 // static G4ThreadLocal G4MonopoleFieldSe 98 // static G4ThreadLocal G4MonopoleFieldSetup theInstance;
98 // fMonopoleFieldSetup = &theInstance; 99 // fMonopoleFieldSetup = &theInstance;
99 // } 100 // }
100 << 101
101 // return fMonopoleFieldSetup; 102 // return fMonopoleFieldSetup;
102 // } 103 // }
103 104
104 //....oooOO0OOooo........oooOO0OOooo........oo 105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
105 106
106 G4MonopoleFieldSetup::~G4MonopoleFieldSetup() 107 G4MonopoleFieldSetup::~G4MonopoleFieldSetup()
107 { 108 {
108 delete fMonopoleFieldMessenger; 109 delete fMonopoleFieldMessenger;
109 if (fMagneticField) delete fMagneticField; << 110 if(fMagneticField) delete fMagneticField;
110 // if(fChordFinder) delete fChordFinder; 111 // if(fChordFinder) delete fChordFinder;
111 if (fUsualChordFinder) delete fUsualChordFin << 112 if(fUsualChordFinder) delete fUsualChordFinder;
112 if (fMonopoleChordFinder) delete fMonopoleCh << 113 if(fMonopoleChordFinder) delete fMonopoleChordFinder;
113 if (fStepper) delete fStepper; << 114 if(fStepper) delete fStepper;
114 if (fMonopoleStepper) delete fMonopoleSteppe << 115 if(fMonopoleStepper) delete fMonopoleStepper;
115 } 116 }
116 117
117 //....oooOO0OOooo........oooOO0OOooo........oo 118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118 119
119 void G4MonopoleFieldSetup::SetZMagFieldValue(G << 120 void G4MonopoleFieldSetup::SetZMagFieldValue (G4double val)
120 { 121 {
121 // set new magnetic field value and rebuild << 122 //set new magnetic field value and rebuild the field
122 fZmagFieldValue = val; 123 fZmagFieldValue = val;
123 124
124 ConstructMagField(); 125 ConstructMagField();
125 } 126 }
126 127
127 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
128 129
129 void G4MonopoleFieldSetup::ConstructMagField() 130 void G4MonopoleFieldSetup::ConstructMagField()
130 { 131 {
131 // apply a global uniform magnetic field alo << 132 //apply a global uniform magnetic field along Z axis
132 if (fMagneticField) { << 133 if (fMagneticField) { delete fMagneticField; } //delete the existing magn field
133 delete fMagneticField; <<
134 } // delete the existing magn field <<
135 134
136 if (fZmagFieldValue != 0.) // create a new << 135 if (fZmagFieldValue != 0.) // create a new one if non nul
137 { << 136 {
138 // G4cout << "Go to create new field ..." << 137 // G4cout << "Go to create new field ..." << G4endl;
139 fMagneticField = new G4UniformMagField(G4T << 138 fMagneticField = new G4UniformMagField(G4ThreeVector(0., 0.,
140 InitialiseAll(); << 139 fZmagFieldValue));
141 } << 140 InitialiseAll();
142 else { << 141 }
143 // G4cout << "Set field = 0 ..." << G4endl << 142 else
144 fMagneticField = 0; << 143 {
145 } << 144 // G4cout << "Set field = 0 ..." << G4endl;
>> 145 fMagneticField = 0;
>> 146 }
146 147
147 fFieldManager->SetDetectorField(fMagneticFie 148 fFieldManager->SetDetectorField(fMagneticField);
>> 149
148 } 150 }
149 151
150 //....oooOO0OOooo........oooOO0OOooo........oo 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
151 153
152 void G4MonopoleFieldSetup::InitialiseAll() 154 void G4MonopoleFieldSetup::InitialiseAll()
153 { 155 {
154 fEquation = new G4Mag_UsualEqRhs(fMagneticFi << 156 fEquation = new G4Mag_UsualEqRhs(fMagneticField);
155 fMonopoleEquation = new G4MonopoleEquation(f 157 fMonopoleEquation = new G4MonopoleEquation(fMagneticField);
156 << 158
157 fMinStep = 0.01 * mm; // minimal step of 1 << 159 fMinStep = 0.01*mm ; // minimal step of 1 mm is default
158 << 160
159 fMonopoleStepper = new G4ClassicalRK4(fMonop << 161 fMonopoleStepper = new G4ClassicalRK4( fMonopoleEquation, 8 );
160 fStepper = new G4ClassicalRK4(fEquation); << 162 fStepper = new G4ClassicalRK4( fEquation );
161 << 163
162 fUsualChordFinder = new G4ChordFinder(fMagne << 164 fUsualChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fStepper);
163 fMonopoleChordFinder = new G4ChordFinder(fMa << 165 fMonopoleChordFinder = new G4ChordFinder( fMagneticField, fMinStep,
>> 166 fMonopoleStepper);
164 167
165 SetStepperAndChordFinder(0); 168 SetStepperAndChordFinder(0);
166 } 169 }
167 170
168 //....oooOO0OOooo........oooOO0OOooo........oo 171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
169 172
170 void G4MonopoleFieldSetup::SetStepperAndChordF 173 void G4MonopoleFieldSetup::SetStepperAndChordFinder(G4int val)
171 { 174 {
172 if (fMagneticField) { << 175
173 fFieldManager->SetDetectorField(fMagneticF << 176 if (fMagneticField)
>> 177 {
>> 178 fFieldManager->SetDetectorField(fMagneticField );
174 // if(fChordFinder) delete fChordFinder 179 // if(fChordFinder) delete fChordFinder;
175 180
176 switch (val) { << 181 switch (val)
177 // case 0: << 182 {
178 // fChordFinder = new G4ChordF << 183 // case 0:
179 // break; << 184 // fChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fStepper);
180 // case 1: << 185 // break;
181 // fChordFinder = new G4ChordF << 186 // case 1:
182 // << 187 // fChordFinder = new G4ChordFinder( fMagneticField, fMinStep,
183 // break; << 188 // fMonopoleStepper);
>> 189 // break;
184 case 0: 190 case 0:
185 fChordFinder = fUsualChordFinder; 191 fChordFinder = fUsualChordFinder;
186 break; 192 break;
187 case 1: << 193 case 1:
188 fChordFinder = fMonopoleChordFinder; 194 fChordFinder = fMonopoleChordFinder;
189 break; 195 break;
190 } << 196 }
191 << 197
192 fFieldManager->SetChordFinder(fChordFinder << 198 fFieldManager->SetChordFinder( fChordFinder );
193 } 199 }
>> 200
194 } 201 }
195 202
196 //....oooOO0OOooo........oooOO0OOooo........oo 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
197 204
198 G4FieldManager* G4MonopoleFieldSetup::GetGloba << 205 G4FieldManager* G4MonopoleFieldSetup::GetGlobalFieldManager()
199 { 206 {
200 return G4TransportationManager::GetTransport << 207 return G4TransportationManager::GetTransportationManager()
>> 208 ->GetFieldManager();
201 } 209 }
202 210
203 //....oooOO0OOooo........oooOO0OOooo........oo 211 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
204 212