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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 // $Id: G4MonopoleFieldSetup.cc 68036 2013-03-13 14:13:45Z gcosmo $
29 // 30 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 // 33 //
33 // 34 //
34 // G4MonopoleFieldSetup is responsible for set 35 // G4MonopoleFieldSetup is responsible for setting up a magnetic field
35 // and the ability to use it with two differen << 36 // and the ability to use it with two different equation of motions,
36 // one for monopoles and another for the rest << 37 // one for monopoles and another for the rest of the particles.
37 // << 38 //
38 // << 39 //
39 40
40 // =========================================== 41 // =======================================================================
41 // Created: 13 May 2010, B. Bozsogi 42 // Created: 13 May 2010, B. Bozsogi
42 // =========================================== 43 // =======================================================================
43 44
44 #include "G4MonopoleFieldSetup.hh" 45 #include "G4MonopoleFieldSetup.hh"
>> 46 #include "G4MonopoleFieldMessenger.hh"
45 47
46 #include "G4ChordFinder.hh" << 48 #include "G4MagneticField.hh"
>> 49 #include "G4UniformMagField.hh"
47 #include "G4FieldManager.hh" 50 #include "G4FieldManager.hh"
48 #include "G4MagIntegratorStepper.hh" << 51 #include "G4TransportationManager.hh"
49 #include "G4Mag_UsualEqRhs.hh" 52 #include "G4Mag_UsualEqRhs.hh"
50 #include "G4MagneticField.hh" <<
51 #include "G4MonopoleEquation.hh" 53 #include "G4MonopoleEquation.hh"
52 #include "G4MonopoleFieldMessenger.hh" << 54 #include "G4MagIntegratorStepper.hh"
53 #include "G4TransportationManager.hh" << 55 #include "G4ChordFinder.hh"
54 #include "G4UniformMagField.hh" <<
55 56
56 // #include "G4ExplicitEuler.hh" 57 // #include "G4ExplicitEuler.hh"
57 // #include "G4ImplicitEuler.hh" 58 // #include "G4ImplicitEuler.hh"
58 // #include "G4SimpleRunge.hh" 59 // #include "G4SimpleRunge.hh"
59 // #include "G4SimpleHeum.hh" 60 // #include "G4SimpleHeum.hh"
60 #include "G4ClassicalRK4.hh" 61 #include "G4ClassicalRK4.hh"
61 // #include "G4HelixExplicitEuler.hh" 62 // #include "G4HelixExplicitEuler.hh"
62 // #include "G4HelixImplicitEuler.hh" 63 // #include "G4HelixImplicitEuler.hh"
63 // #include "G4HelixSimpleRunge.hh" 64 // #include "G4HelixSimpleRunge.hh"
64 // #include "G4CashKarpRKF45.hh" 65 // #include "G4CashKarpRKF45.hh"
65 // #include "G4RKG3_Stepper.hh" 66 // #include "G4RKG3_Stepper.hh"
66 67
67 #include "G4SystemOfUnits.hh" 68 #include "G4SystemOfUnits.hh"
68 69
69 // G4MonopoleFieldSetup* G4MonopoleFieldSetup: << 70 G4MonopoleFieldSetup* G4MonopoleFieldSetup::fMonopoleFieldSetup=0;
70 71
71 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 73
73 G4MonopoleFieldSetup::G4MonopoleFieldSetup() 74 G4MonopoleFieldSetup::G4MonopoleFieldSetup()
74 : fFieldManager(0), << 75 : fFieldManager(0),
75 fChordFinder(0), << 76 fChordFinder(0),
76 fUsualChordFinder(0), << 77 fEquation(0),
77 fMonopoleChordFinder(0), << 78 fMonopoleEquation(0),
78 fEquation(0), << 79 fMagneticField(0),
79 fMonopoleEquation(0), << 80 fStepper(0),
80 fMagneticField(0), << 81 fMonopoleStepper(0),
81 fStepper(0), << 82 fMinStep(0.0),
82 fMonopoleStepper(0), << 83 fMonopoleFieldMessenger(0)
83 fMinStep(0.0), <<
84 fZmagFieldValue(0.2 * tesla), <<
85 fMonopoleFieldMessenger(0) <<
86 { 84 {
87 fMonopoleFieldMessenger = new G4MonopoleFiel 85 fMonopoleFieldMessenger = new G4MonopoleFieldMessenger(this);
88 fFieldManager = GetGlobalFieldManager(); <<
89 } 86 }
90 87
91 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92 89
93 // G4MonopoleFieldSetup* G4MonopoleFieldSetup: << 90 G4MonopoleFieldSetup* G4MonopoleFieldSetup::GetMonopoleFieldSetup()
94 // { <<
95 // if (0 == fMonopoleFieldSetup) <<
96 // { <<
97 // static G4ThreadLocal G4MonopoleFieldSe <<
98 // fMonopoleFieldSetup = &theInstance; <<
99 // } <<
100 <<
101 // return fMonopoleFieldSetup; <<
102 // } <<
103 <<
104 //....oooOO0OOooo........oooOO0OOooo........oo <<
105 <<
106 G4MonopoleFieldSetup::~G4MonopoleFieldSetup() <<
107 { 91 {
108 delete fMonopoleFieldMessenger; << 92 if (0 == fMonopoleFieldSetup)
109 if (fMagneticField) delete fMagneticField; << 93 {
110 // if(fChordFinder) delete fChordFinder; << 94 static G4MonopoleFieldSetup theInstance;
111 if (fUsualChordFinder) delete fUsualChordFin << 95 fMonopoleFieldSetup = &theInstance;
112 if (fMonopoleChordFinder) delete fMonopoleCh << 96 }
113 if (fStepper) delete fStepper; << 97
114 if (fMonopoleStepper) delete fMonopoleSteppe << 98 return fMonopoleFieldSetup;
115 } 99 }
116 100
117 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118 102
119 void G4MonopoleFieldSetup::SetZMagFieldValue(G << 103 G4MonopoleFieldSetup::~G4MonopoleFieldSetup()
120 { 104 {
121 // set new magnetic field value and rebuild << 105 delete fMonopoleFieldMessenger;
122 fZmagFieldValue = val; << 106 if(fMagneticField) delete fMagneticField;
123 << 107 if(fChordFinder) delete fChordFinder;
124 ConstructMagField(); << 108 if(fStepper) delete fStepper;
>> 109 if(fMonopoleStepper) delete fMonopoleStepper;
125 } 110 }
126 111
127 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
128 113
129 void G4MonopoleFieldSetup::ConstructMagField() << 114 void G4MonopoleFieldSetup::SetMagField(G4double fieldValue)
130 { 115 {
131 // apply a global uniform magnetic field alo << 116 //apply a global uniform magnetic field along Z axis
132 if (fMagneticField) { << 117 if (fMagneticField) { delete fMagneticField; } //delete the existing magn field
133 delete fMagneticField; <<
134 } // delete the existing magn field <<
135 <<
136 if (fZmagFieldValue != 0.) // create a new <<
137 { <<
138 // G4cout << "Go to create new field ..." <<
139 fMagneticField = new G4UniformMagField(G4T <<
140 InitialiseAll(); <<
141 } <<
142 else { <<
143 // G4cout << "Set field = 0 ..." << G4endl <<
144 fMagneticField = 0; <<
145 } <<
146 118
147 fFieldManager->SetDetectorField(fMagneticFie << 119 if (fieldValue != 0.) // create a new one if non nul
>> 120 {
>> 121 fMagneticField = new G4UniformMagField(G4ThreeVector(0., 0., fieldValue));
>> 122 InitialiseAll();
>> 123 }
>> 124 else
>> 125 {
>> 126 fMagneticField = 0;
>> 127 fFieldManager->SetDetectorField(fMagneticField);
>> 128 }
148 } 129 }
149 130
150 //....oooOO0OOooo........oooOO0OOooo........oo 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
151 132
152 void G4MonopoleFieldSetup::InitialiseAll() << 133 void
>> 134 G4MonopoleFieldSetup::InitialiseAll()
153 { 135 {
154 fEquation = new G4Mag_UsualEqRhs(fMagneticFi << 136 fFieldManager = G4TransportationManager::GetTransportationManager()
>> 137 ->GetFieldManager();
>> 138
>> 139 fEquation = new G4Mag_UsualEqRhs(fMagneticField);
155 fMonopoleEquation = new G4MonopoleEquation(f 140 fMonopoleEquation = new G4MonopoleEquation(fMagneticField);
156 << 141
157 fMinStep = 0.01 * mm; // minimal step of 1 << 142 fMinStep = 0.01*mm ; // minimal step of 1 mm is default
158 << 143
159 fMonopoleStepper = new G4ClassicalRK4(fMonop << 144 fMonopoleStepper = new G4ClassicalRK4( fMonopoleEquation, 8 ); // for time information..
160 fStepper = new G4ClassicalRK4(fEquation); << 145 fStepper = new G4ClassicalRK4( fEquation );
161 << 146
162 fUsualChordFinder = new G4ChordFinder(fMagne <<
163 fMonopoleChordFinder = new G4ChordFinder(fMa <<
164 <<
165 SetStepperAndChordFinder(0); 147 SetStepperAndChordFinder(0);
166 } 148 }
167 149
168 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
169 151
170 void G4MonopoleFieldSetup::SetStepperAndChordF 152 void G4MonopoleFieldSetup::SetStepperAndChordFinder(G4int val)
171 { 153 {
172 if (fMagneticField) { << 154 if (fMagneticField)
173 fFieldManager->SetDetectorField(fMagneticF << 155 {
174 // if(fChordFinder) delete fChordFinder << 156 fFieldManager->SetDetectorField(fMagneticField );
175 << 157
176 switch (val) { << 158 if(fChordFinder) delete fChordFinder;
177 // case 0: << 159
178 // fChordFinder = new G4ChordF << 160 switch (val)
179 // break; << 161 {
180 // case 1: <<
181 // fChordFinder = new G4ChordF <<
182 // <<
183 // break; <<
184 case 0: 162 case 0:
185 fChordFinder = fUsualChordFinder; << 163 fChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fStepper);
186 break; 164 break;
187 case 1: << 165 case 1:
188 fChordFinder = fMonopoleChordFinder; << 166 fChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fMonopoleStepper);
189 break; 167 break;
190 } << 168 }
191 << 169
192 fFieldManager->SetChordFinder(fChordFinder << 170 fFieldManager->SetChordFinder( fChordFinder );
193 } 171 }
194 } 172 }
195 173
196 //....oooOO0OOooo........oooOO0OOooo........oo 174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
197 175
198 G4FieldManager* G4MonopoleFieldSetup::GetGloba << 176 G4FieldManager* G4MonopoleFieldSetup::GetGlobalFieldManager()
199 { 177 {
200 return G4TransportationManager::GetTransport << 178 return G4TransportationManager::GetTransportationManager()
>> 179 ->GetFieldManager();
201 } 180 }
202 181
203 //....oooOO0OOooo........oooOO0OOooo........oo 182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
204 183