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26 // 26 //
27 /// \file field/field04/src/F04GlobalField.cc 27 /// \file field/field04/src/F04GlobalField.cc
28 /// \brief Implementation of the F04GlobalFiel 28 /// \brief Implementation of the F04GlobalField class
29 // 29 //
30 30
31 #include "F04GlobalField.hh" << 31 #include <ctime>
32 32
33 #include "F04FocusSolenoid.hh" << 33 #include "Randomize.hh"
34 #include "F04SimpleSolenoid.hh" << 34 #include "G4TransportationManager.hh"
35 35
36 #include "G4CashKarpRKF45.hh" <<
37 #include "G4ClassicalRK4.hh" <<
38 #include "G4ExplicitEuler.hh" 36 #include "G4ExplicitEuler.hh"
39 #include "G4ImplicitEuler.hh" 37 #include "G4ImplicitEuler.hh"
40 #include "G4SimpleHeum.hh" <<
41 #include "G4SimpleRunge.hh" 38 #include "G4SimpleRunge.hh"
>> 39 #include "G4SimpleHeum.hh"
>> 40 #include "G4ClassicalRK4.hh"
>> 41 #include "G4CashKarpRKF45.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4TransportationManager.hh" <<
44 #include "Randomize.hh" <<
45 43
46 #include <ctime> << 44 #include "F04GlobalField.hh"
>> 45 #include "F04SimpleSolenoid.hh"
>> 46 #include "F04FocusSolenoid.hh"
47 47
48 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 49
50 G4ThreadLocal F04GlobalField* F04GlobalField:: 50 G4ThreadLocal F04GlobalField* F04GlobalField::fObject = nullptr;
51 51
52 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 53
54 F04GlobalField::F04GlobalField(F04DetectorCons << 54 F04GlobalField::F04GlobalField(F04DetectorConstruction* det)
>> 55 : fDetectorConstruction(det)
55 { 56 {
56 fFieldMessenger = new F04FieldMessenger(this << 57 fFieldMessenger = new F04FieldMessenger(this,det);
57 58
58 fFields = new FieldList(); 59 fFields = new FieldList();
59 60
60 // set object 61 // set object
61 fObject = this; 62 fObject = this;
62 63
63 ConstructField(); 64 ConstructField();
64 } 65 }
65 66
66 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 68
68 F04GlobalField::~F04GlobalField() 69 F04GlobalField::~F04GlobalField()
69 { 70 {
70 Clear(); 71 Clear();
71 72
72 delete fFields; 73 delete fFields;
73 74
74 delete fFieldMessenger; 75 delete fFieldMessenger;
75 76
76 delete fEquation; 77 delete fEquation;
77 delete fStepper; 78 delete fStepper;
78 delete fChordFinder; 79 delete fChordFinder;
79 } 80 }
80 81
81 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 83
83 void F04GlobalField::ConstructField() 84 void F04GlobalField::ConstructField()
84 { 85 {
85 Clear(); 86 Clear();
86 87
87 // Construct equ. of motion of particles th 88 // Construct equ. of motion of particles through B fields
88 // fEquation = new G4Mag_EqRhs(this); << 89 // fEquation = new G4Mag_EqRhs(this);
89 // Construct equ. of motion of particles th 90 // Construct equ. of motion of particles through e.m. fields
90 // fEquation = new G4EqMagElectricField(thi << 91 // fEquation = new G4EqMagElectricField(this);
91 // Construct equ. of motion of particles in 92 // Construct equ. of motion of particles including spin through B fields
92 // fEquation = new G4Mag_SpinEqRhs(this); << 93 // fEquation = new G4Mag_SpinEqRhs(this);
93 // Construct equ. of motion of particles in 94 // Construct equ. of motion of particles including spin through e.m. fields
94 fEquation = new G4EqEMFieldWithSpin(this); 95 fEquation = new G4EqEMFieldWithSpin(this);
95 96
96 // Get transportation, field, and propagato 97 // Get transportation, field, and propagator managers
97 G4TransportationManager* transportManager = << 98 G4TransportationManager* transportManager =
>> 99 G4TransportationManager::GetTransportationManager();
98 100
99 fFieldManager = GetGlobalFieldManager(); 101 fFieldManager = GetGlobalFieldManager();
100 102
101 fFieldPropagator = transportManager->GetProp 103 fFieldPropagator = transportManager->GetPropagatorInField();
102 104
103 // Need to SetFieldChangesEnergy to account 105 // Need to SetFieldChangesEnergy to account for a time varying electric
104 // field (r.f. fields) 106 // field (r.f. fields)
105 fFieldManager->SetFieldChangesEnergy(true); 107 fFieldManager->SetFieldChangesEnergy(true);
106 108
107 // Set the field 109 // Set the field
108 fFieldManager->SetDetectorField(this); 110 fFieldManager->SetDetectorField(this);
109 111
110 // Choose a stepper for integration of the 112 // Choose a stepper for integration of the equation of motion
111 SetStepper(); 113 SetStepper();
112 114
113 // Create a cord finder providing the (glob 115 // Create a cord finder providing the (global field, min step length,
114 // a pointer to the stepper) 116 // a pointer to the stepper)
115 fChordFinder = new G4ChordFinder((G4Magnetic << 117 fChordFinder = new G4ChordFinder((G4MagneticField*)this,fMinStep,fStepper);
116 118
117 // Set accuracy parameters 119 // Set accuracy parameters
118 fChordFinder->SetDeltaChord(fDeltaChord); << 120 fChordFinder->SetDeltaChord( fDeltaChord );
119 121
120 fFieldManager->SetAccuraciesWithDeltaOneStep 122 fFieldManager->SetAccuraciesWithDeltaOneStep(fDeltaOneStep);
121 123
122 fFieldManager->SetDeltaIntersection(fDeltaIn 124 fFieldManager->SetDeltaIntersection(fDeltaIntersection);
123 125
124 fFieldPropagator->SetMinimumEpsilonStep(fEps 126 fFieldPropagator->SetMinimumEpsilonStep(fEpsMin);
125 fFieldPropagator->SetMaximumEpsilonStep(fEps 127 fFieldPropagator->SetMaximumEpsilonStep(fEpsMax);
126 128
127 G4cout << "Accuracy Parameters:" << 129 G4cout << "Accuracy Parameters:" <<
128 << " MinStep=" << fMinStep << " Delta << 130 " MinStep=" << fMinStep <<
129 << " DeltaOneStep=" << fDeltaOneStep << 131 " DeltaChord=" << fDeltaChord <<
130 G4cout << " " << 132 " DeltaOneStep=" << fDeltaOneStep << G4endl;
131 << " DeltaIntersection=" << fDeltaInt << 133 G4cout << " " <<
132 << " EpsMax=" << fEpsMax << G4endl; << 134 " DeltaIntersection=" << fDeltaIntersection <<
>> 135 " EpsMin=" << fEpsMin <<
>> 136 " EpsMax=" << fEpsMax << G4endl;
133 137
134 fFieldManager->SetChordFinder(fChordFinder); 138 fFieldManager->SetChordFinder(fChordFinder);
135 139
136 G4double l = 0.0; 140 G4double l = 0.0;
137 G4double B1 = fDetectorConstruction->GetCapt 141 G4double B1 = fDetectorConstruction->GetCaptureMgntB1();
138 G4double B2 = fDetectorConstruction->GetCapt 142 G4double B2 = fDetectorConstruction->GetCaptureMgntB2();
139 143
140 G4LogicalVolume* logicCaptureMgnt = fDetecto 144 G4LogicalVolume* logicCaptureMgnt = fDetectorConstruction->GetCaptureMgnt();
141 G4ThreeVector captureMgntCenter = fDetectorC << 145 G4ThreeVector captureMgntCenter =
>> 146 fDetectorConstruction->GetCaptureMgntCenter();
142 147
143 auto focusSolenoid = new F04FocusSolenoid(B1 << 148 auto focusSolenoid =
144 focusSolenoid->SetHalf(true); << 149 new F04FocusSolenoid(B1, B2, l, logicCaptureMgnt,captureMgntCenter);
>> 150 focusSolenoid -> SetHalf(true);
145 151
146 G4double B = fDetectorConstruction->GetTrans 152 G4double B = fDetectorConstruction->GetTransferMgntB();
147 153
148 G4LogicalVolume* logicTransferMgnt = fDetect << 154 G4LogicalVolume* logicTransferMgnt =
149 G4ThreeVector transferMgntCenter = fDetector << 155 fDetectorConstruction->GetTransferMgnt();
>> 156 G4ThreeVector transferMgntCenter =
>> 157 fDetectorConstruction->GetTransferMgntCenter();
150 158
151 auto simpleSolenoid = new F04SimpleSolenoid( << 159 auto simpleSolenoid =
>> 160 new F04SimpleSolenoid(B, l, logicTransferMgnt,transferMgntCenter);
152 161
153 simpleSolenoid->SetColor("1,0,1"); 162 simpleSolenoid->SetColor("1,0,1");
154 simpleSolenoid->SetColor("0,1,1"); 163 simpleSolenoid->SetColor("0,1,1");
155 simpleSolenoid->SetMaxStep(1.5 * mm); << 164 simpleSolenoid->SetMaxStep(1.5*mm);
156 simpleSolenoid->SetMaxStep(2.5 * mm); << 165 simpleSolenoid->SetMaxStep(2.5*mm);
157 166
158 if (fFields) { 167 if (fFields) {
159 if (fFields->size() > 0) { << 168 if (fFields->size()>0) {
160 FieldList::iterator i; << 169 FieldList::iterator i;
161 for (i = fFields->begin(); i != fFields- << 170 for (i=fFields->begin(); i!=fFields->end(); ++i){
162 (*i)->Construct(); << 171 (*i)->Construct();
163 } << 172 }
164 } << 173 }
165 } 174 }
166 } 175 }
167 176
168 //....oooOO0OOooo........oooOO0OOooo........oo 177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
169 178
170 F04GlobalField* F04GlobalField::GetObject(F04D 179 F04GlobalField* F04GlobalField::GetObject(F04DetectorConstruction* det)
171 { 180 {
172 if (!fObject) new F04GlobalField(det); 181 if (!fObject) new F04GlobalField(det);
173 return fObject; 182 return fObject;
174 } 183 }
175 184
176 //....oooOO0OOooo........oooOO0OOooo........oo 185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
177 186
178 F04GlobalField* F04GlobalField::GetObject() 187 F04GlobalField* F04GlobalField::GetObject()
179 { 188 {
180 if (fObject) return fObject; 189 if (fObject) return fObject;
181 return nullptr; 190 return nullptr;
182 } 191 }
183 192
184 //....oooOO0OOooo........oooOO0OOooo........oo 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 194
186 void F04GlobalField::SetStepper() 195 void F04GlobalField::SetStepper()
187 { 196 {
188 delete fStepper; 197 delete fStepper;
189 198
190 switch (fStepperType) { << 199 switch ( fStepperType )
>> 200 {
191 case 0: 201 case 0:
192 // fStepper = new G4ExplicitEuler( << 202 // fStepper = new G4ExplicitEuler( fEquation, 8 ); // no spin tracking
193 fStepper = new G4ExplicitEuler(fEquation << 203 fStepper = new G4ExplicitEuler( fEquation, 12 ); // with spin tracking
194 G4cout << "G4ExplicitEuler is called" << 204 G4cout << "G4ExplicitEuler is called" << G4endl;
195 break; 205 break;
196 case 1: 206 case 1:
197 // fStepper = new G4ImplicitEuler( << 207 // fStepper = new G4ImplicitEuler( fEquation, 8 ); // no spin tracking
198 fStepper = new G4ImplicitEuler(fEquation << 208 fStepper = new G4ImplicitEuler( fEquation, 12 ); // with spin tracking
199 G4cout << "G4ImplicitEuler is called" << 209 G4cout << "G4ImplicitEuler is called" << G4endl;
200 break; 210 break;
201 case 2: 211 case 2:
202 // fStepper = new G4SimpleRunge( fE << 212 // fStepper = new G4SimpleRunge( fEquation, 8 ); // no spin tracking
203 fStepper = new G4SimpleRunge(fEquation, << 213 fStepper = new G4SimpleRunge( fEquation, 12 ); // with spin tracking
204 G4cout << "G4SimpleRunge is called" << G 214 G4cout << "G4SimpleRunge is called" << G4endl;
205 break; 215 break;
206 case 3: 216 case 3:
207 // fStepper = new G4SimpleHeum( fEq << 217 // fStepper = new G4SimpleHeum( fEquation, 8 ); // no spin tracking
208 fStepper = new G4SimpleHeum(fEquation, 1 << 218 fStepper = new G4SimpleHeum( fEquation, 12 ); // with spin tracking
209 G4cout << "G4SimpleHeum is called" << G4 219 G4cout << "G4SimpleHeum is called" << G4endl;
210 break; 220 break;
211 case 4: 221 case 4:
212 // fStepper = new G4ClassicalRK4( f << 222 // fStepper = new G4ClassicalRK4( fEquation, 8 ); // no spin tracking
213 fStepper = new G4ClassicalRK4(fEquation, << 223 fStepper = new G4ClassicalRK4( fEquation, 12 ); // with spin tracking
214 G4cout << "G4ClassicalRK4 (default) is c 224 G4cout << "G4ClassicalRK4 (default) is called" << G4endl;
215 break; 225 break;
216 case 5: 226 case 5:
217 // fStepper = new G4CashKarpRKF45( << 227 // fStepper = new G4CashKarpRKF45( fEquation, 8 ); // no spin tracking
218 fStepper = new G4CashKarpRKF45(fEquation << 228 fStepper = new G4CashKarpRKF45( fEquation, 12 ); // with spin tracking
219 G4cout << "G4CashKarpRKF45 is called" << 229 G4cout << "G4CashKarpRKF45 is called" << G4endl;
220 break; 230 break;
221 default: << 231 default: fStepper = nullptr;
222 fStepper = nullptr; <<
223 } 232 }
224 } 233 }
225 234
226 //....oooOO0OOooo........oooOO0OOooo........oo 235 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
227 236
228 G4FieldManager* F04GlobalField::GetGlobalField 237 G4FieldManager* F04GlobalField::GetGlobalFieldManager()
229 { 238 {
230 return G4TransportationManager::GetTransport << 239 return G4TransportationManager::GetTransportationManager()
>> 240 ->GetFieldManager();
231 } 241 }
232 242
233 //....oooOO0OOooo........oooOO0OOooo........oo 243 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
234 244
235 void F04GlobalField::GetFieldValue(const G4dou 245 void F04GlobalField::GetFieldValue(const G4double* point, G4double* field) const
236 { 246 {
237 // NOTE: this routine dominates the CPU time 247 // NOTE: this routine dominates the CPU time for tracking.
238 // Using the simple array fFp[] instead of f 248 // Using the simple array fFp[] instead of fields[]
239 // directly sped it up 249 // directly sped it up
240 250
241 field[0] = field[1] = field[2] = field[3] = 251 field[0] = field[1] = field[2] = field[3] = field[4] = field[5] = 0.0;
242 252
243 // protect against Geant4 bug that calls us 253 // protect against Geant4 bug that calls us with point[] NaN.
244 if (point[0] != point[0]) return; << 254 if(point[0] != point[0]) return;
245 255
246 // (can't use fNfp or fFp, as they may chang 256 // (can't use fNfp or fFp, as they may change)
247 if (fFirst) ((F04GlobalField*)this)->SetupAr << 257 if (fFirst) ((F04GlobalField*)this)->SetupArray(); // (cast away const)
248 258
249 for (int i = 0; i < fNfp; ++i) { << 259 for (int i=0; i<fNfp; ++i) {
250 const F04ElementField* p = fFp[i]; << 260 const F04ElementField* p = fFp[i];
251 if (p->IsInBoundingBox(point)) { << 261 if (p->IsInBoundingBox(point)) {
252 p->AddFieldValue(point, field); << 262 p->AddFieldValue(point,field);
253 } << 263 }
254 } 264 }
>> 265
255 } 266 }
256 267
257 //....oooOO0OOooo........oooOO0OOooo........oo 268 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
258 269
259 void F04GlobalField::Clear() 270 void F04GlobalField::Clear()
260 { 271 {
261 if (fFields) { 272 if (fFields) {
262 if (fFields->size() > 0) { << 273 if (fFields->size()>0) {
263 FieldList::iterator i; << 274 FieldList::iterator i;
264 for (i = fFields->begin(); i != fFields- << 275 for (i=fFields->begin(); i!=fFields->end(); ++i) delete *i;
265 delete *i; << 276 fFields->clear();
266 fFields->clear(); << 277 }
267 } <<
268 } 278 }
269 279
270 delete[] fFp; << 280 delete [] fFp;
271 fFirst = true; 281 fFirst = true;
272 fNfp = 0; 282 fNfp = 0;
273 fFp = nullptr; 283 fFp = nullptr;
274 } 284 }
275 285
276 //....oooOO0OOooo........oooOO0OOooo........oo 286 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 287
278 void F04GlobalField::SetupArray() 288 void F04GlobalField::SetupArray()
279 { 289 {
280 fFirst = false; 290 fFirst = false;
281 fNfp = fFields->size(); 291 fNfp = fFields->size();
282 fFp = new const F04ElementField*[fNfp + 1]; << 292 fFp = new const F04ElementField* [fNfp+1]; // add 1 so it's never 0
283 for (int i = 0; i < fNfp; ++i) << 293 for (int i=0; i<fNfp; ++i) fFp[i] = (*fFields)[i];
284 fFp[i] = (*fFields)[i]; <<
285 } 294 }
286 295