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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 <time.h>
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 = 0;
51 51
52 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 53
54 F04GlobalField::F04GlobalField(F04DetectorCons << 54 F04GlobalField::F04GlobalField(F04DetectorConstruction* det)
>> 55 : G4ElectroMagneticField(), // old : G4MagneticField(),
>> 56 fMinStep(0.01*mm), fDeltaChord(3.0*mm),
>> 57 fDeltaOneStep(0.01*mm), fDeltaIntersection(0.1*mm),
>> 58 // fEpsMin(2.5e-7), fEpsMax(0.001), // These are pure numbers -- relative values
>> 59 // fEquation(0), fFieldManager(0),
>> 60 // fFieldPropagator(0), fStepper(0), fChordFinder(0),
>> 61 fDetectorConstruction(det)
55 { 62 {
56 fFieldMessenger = new F04FieldMessenger(this << 63 fFieldMessenger = new F04FieldMessenger(this,det);
57 64
58 fFields = new FieldList(); 65 fFields = new FieldList();
59 66
>> 67 fStepperType = 4 ; // ClassicalRK4 is default stepper
>> 68
60 // set object 69 // set object
>> 70
61 fObject = this; 71 fObject = this;
>> 72 fFirst = true;
>> 73
>> 74 fNfp = 0;
>> 75 fFp = NULL;
62 76
63 ConstructField(); 77 ConstructField();
64 } 78 }
65 79
66 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 81
68 F04GlobalField::~F04GlobalField() 82 F04GlobalField::~F04GlobalField()
69 { 83 {
70 Clear(); 84 Clear();
71 85
72 delete fFields; 86 delete fFields;
73 87
74 delete fFieldMessenger; 88 delete fFieldMessenger;
75 89
76 delete fEquation; << 90 if (fEquation) delete fEquation;
77 delete fStepper; << 91 if (fStepper) delete fStepper;
78 delete fChordFinder; << 92 if (fChordFinder) delete fChordFinder;
79 } 93 }
80 94
81 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 96
83 void F04GlobalField::ConstructField() 97 void F04GlobalField::ConstructField()
84 { 98 {
85 Clear(); 99 Clear();
86 100
87 // Construct equ. of motion of particles th 101 // Construct equ. of motion of particles through B fields
88 // fEquation = new G4Mag_EqRhs(this); << 102 // fEquation = new G4Mag_EqRhs(this);
89 // Construct equ. of motion of particles th 103 // Construct equ. of motion of particles through e.m. fields
90 // fEquation = new G4EqMagElectricField(thi << 104 // fEquation = new G4EqMagElectricField(this);
91 // Construct equ. of motion of particles in 105 // Construct equ. of motion of particles including spin through B fields
92 // fEquation = new G4Mag_SpinEqRhs(this); << 106 // fEquation = new G4Mag_SpinEqRhs(this);
93 // Construct equ. of motion of particles in 107 // Construct equ. of motion of particles including spin through e.m. fields
94 fEquation = new G4EqEMFieldWithSpin(this); 108 fEquation = new G4EqEMFieldWithSpin(this);
95 109
96 // Get transportation, field, and propagato 110 // Get transportation, field, and propagator managers
97 G4TransportationManager* transportManager = << 111 G4TransportationManager* transportManager =
>> 112 G4TransportationManager::GetTransportationManager();
98 113
99 fFieldManager = GetGlobalFieldManager(); 114 fFieldManager = GetGlobalFieldManager();
100 115
101 fFieldPropagator = transportManager->GetProp 116 fFieldPropagator = transportManager->GetPropagatorInField();
102 117
103 // Need to SetFieldChangesEnergy to account 118 // Need to SetFieldChangesEnergy to account for a time varying electric
104 // field (r.f. fields) 119 // field (r.f. fields)
105 fFieldManager->SetFieldChangesEnergy(true); 120 fFieldManager->SetFieldChangesEnergy(true);
106 121
107 // Set the field 122 // Set the field
108 fFieldManager->SetDetectorField(this); 123 fFieldManager->SetDetectorField(this);
109 124
110 // Choose a stepper for integration of the 125 // Choose a stepper for integration of the equation of motion
111 SetStepper(); 126 SetStepper();
112 127
113 // Create a cord finder providing the (glob 128 // Create a cord finder providing the (global field, min step length,
114 // a pointer to the stepper) 129 // a pointer to the stepper)
115 fChordFinder = new G4ChordFinder((G4Magnetic << 130 fChordFinder = new G4ChordFinder((G4MagneticField*)this,fMinStep,fStepper);
116 131
117 // Set accuracy parameters 132 // Set accuracy parameters
118 fChordFinder->SetDeltaChord(fDeltaChord); << 133 fChordFinder->SetDeltaChord( fDeltaChord );
119 134
120 fFieldManager->SetAccuraciesWithDeltaOneStep 135 fFieldManager->SetAccuraciesWithDeltaOneStep(fDeltaOneStep);
121 136
122 fFieldManager->SetDeltaIntersection(fDeltaIn 137 fFieldManager->SetDeltaIntersection(fDeltaIntersection);
123 138
124 fFieldPropagator->SetMinimumEpsilonStep(fEps 139 fFieldPropagator->SetMinimumEpsilonStep(fEpsMin);
125 fFieldPropagator->SetMaximumEpsilonStep(fEps 140 fFieldPropagator->SetMaximumEpsilonStep(fEpsMax);
126 141
127 G4cout << "Accuracy Parameters:" << 142 G4cout << "Accuracy Parameters:" <<
128 << " MinStep=" << fMinStep << " Delta << 143 " MinStep=" << fMinStep <<
129 << " DeltaOneStep=" << fDeltaOneStep << 144 " DeltaChord=" << fDeltaChord <<
130 G4cout << " " << 145 " DeltaOneStep=" << fDeltaOneStep << G4endl;
131 << " DeltaIntersection=" << fDeltaInt << 146 G4cout << " " <<
132 << " EpsMax=" << fEpsMax << G4endl; << 147 " DeltaIntersection=" << fDeltaIntersection <<
>> 148 " EpsMin=" << fEpsMin <<
>> 149 " EpsMax=" << fEpsMax << G4endl;
133 150
134 fFieldManager->SetChordFinder(fChordFinder); 151 fFieldManager->SetChordFinder(fChordFinder);
135 152
136 G4double l = 0.0; 153 G4double l = 0.0;
137 G4double B1 = fDetectorConstruction->GetCapt 154 G4double B1 = fDetectorConstruction->GetCaptureMgntB1();
138 G4double B2 = fDetectorConstruction->GetCapt 155 G4double B2 = fDetectorConstruction->GetCaptureMgntB2();
139 156
140 G4LogicalVolume* logicCaptureMgnt = fDetecto 157 G4LogicalVolume* logicCaptureMgnt = fDetectorConstruction->GetCaptureMgnt();
141 G4ThreeVector captureMgntCenter = fDetectorC << 158 G4ThreeVector captureMgntCenter =
>> 159 fDetectorConstruction->GetCaptureMgntCenter();
142 160
143 auto focusSolenoid = new F04FocusSolenoid(B1 << 161 F04FocusSolenoid* focusSolenoid =
144 focusSolenoid->SetHalf(true); << 162 new F04FocusSolenoid(B1, B2, l, logicCaptureMgnt,captureMgntCenter);
>> 163 focusSolenoid -> SetHalf(true);
145 164
146 G4double B = fDetectorConstruction->GetTrans 165 G4double B = fDetectorConstruction->GetTransferMgntB();
147 166
148 G4LogicalVolume* logicTransferMgnt = fDetect << 167 G4LogicalVolume* logicTransferMgnt =
149 G4ThreeVector transferMgntCenter = fDetector << 168 fDetectorConstruction->GetTransferMgnt();
>> 169 G4ThreeVector transferMgntCenter =
>> 170 fDetectorConstruction->GetTransferMgntCenter();
150 171
151 auto simpleSolenoid = new F04SimpleSolenoid( << 172 F04SimpleSolenoid* simpleSolenoid =
>> 173 new F04SimpleSolenoid(B, l, logicTransferMgnt,transferMgntCenter);
152 174
153 simpleSolenoid->SetColor("1,0,1"); 175 simpleSolenoid->SetColor("1,0,1");
154 simpleSolenoid->SetColor("0,1,1"); 176 simpleSolenoid->SetColor("0,1,1");
155 simpleSolenoid->SetMaxStep(1.5 * mm); << 177 simpleSolenoid->SetMaxStep(1.5*mm);
156 simpleSolenoid->SetMaxStep(2.5 * mm); << 178 simpleSolenoid->SetMaxStep(2.5*mm);
157 179
158 if (fFields) { 180 if (fFields) {
159 if (fFields->size() > 0) { << 181 if (fFields->size()>0) {
160 FieldList::iterator i; << 182 FieldList::iterator i;
161 for (i = fFields->begin(); i != fFields- << 183 for (i=fFields->begin(); i!=fFields->end(); ++i){
162 (*i)->Construct(); << 184 (*i)->Construct();
163 } << 185 }
164 } << 186 }
165 } 187 }
166 } 188 }
167 189
168 //....oooOO0OOooo........oooOO0OOooo........oo 190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
169 191
170 F04GlobalField* F04GlobalField::GetObject(F04D 192 F04GlobalField* F04GlobalField::GetObject(F04DetectorConstruction* det)
171 { 193 {
172 if (!fObject) new F04GlobalField(det); 194 if (!fObject) new F04GlobalField(det);
173 return fObject; 195 return fObject;
174 } 196 }
175 197
176 //....oooOO0OOooo........oooOO0OOooo........oo 198 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
177 199
178 F04GlobalField* F04GlobalField::GetObject() 200 F04GlobalField* F04GlobalField::GetObject()
179 { 201 {
180 if (fObject) return fObject; 202 if (fObject) return fObject;
181 return nullptr; << 203 return NULL;
182 } 204 }
183 205
184 //....oooOO0OOooo........oooOO0OOooo........oo 206 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 207
186 void F04GlobalField::SetStepper() 208 void F04GlobalField::SetStepper()
187 { 209 {
188 delete fStepper; << 210 if(fStepper) delete fStepper;
189 211
190 switch (fStepperType) { << 212 switch ( fStepperType )
>> 213 {
191 case 0: 214 case 0:
192 // fStepper = new G4ExplicitEuler( << 215 // fStepper = new G4ExplicitEuler( fEquation, 8 ); // no spin tracking
193 fStepper = new G4ExplicitEuler(fEquation << 216 fStepper = new G4ExplicitEuler( fEquation, 12 ); // with spin tracking
194 G4cout << "G4ExplicitEuler is called" << 217 G4cout << "G4ExplicitEuler is called" << G4endl;
195 break; 218 break;
196 case 1: 219 case 1:
197 // fStepper = new G4ImplicitEuler( << 220 // fStepper = new G4ImplicitEuler( fEquation, 8 ); // no spin tracking
198 fStepper = new G4ImplicitEuler(fEquation << 221 fStepper = new G4ImplicitEuler( fEquation, 12 ); // with spin tracking
199 G4cout << "G4ImplicitEuler is called" << 222 G4cout << "G4ImplicitEuler is called" << G4endl;
200 break; 223 break;
201 case 2: 224 case 2:
202 // fStepper = new G4SimpleRunge( fE << 225 // fStepper = new G4SimpleRunge( fEquation, 8 ); // no spin tracking
203 fStepper = new G4SimpleRunge(fEquation, << 226 fStepper = new G4SimpleRunge( fEquation, 12 ); // with spin tracking
204 G4cout << "G4SimpleRunge is called" << G 227 G4cout << "G4SimpleRunge is called" << G4endl;
205 break; 228 break;
206 case 3: 229 case 3:
207 // fStepper = new G4SimpleHeum( fEq << 230 // fStepper = new G4SimpleHeum( fEquation, 8 ); // no spin tracking
208 fStepper = new G4SimpleHeum(fEquation, 1 << 231 fStepper = new G4SimpleHeum( fEquation, 12 ); // with spin tracking
209 G4cout << "G4SimpleHeum is called" << G4 232 G4cout << "G4SimpleHeum is called" << G4endl;
210 break; 233 break;
211 case 4: 234 case 4:
212 // fStepper = new G4ClassicalRK4( f << 235 // fStepper = new G4ClassicalRK4( fEquation, 8 ); // no spin tracking
213 fStepper = new G4ClassicalRK4(fEquation, << 236 fStepper = new G4ClassicalRK4( fEquation, 12 ); // with spin tracking
214 G4cout << "G4ClassicalRK4 (default) is c 237 G4cout << "G4ClassicalRK4 (default) is called" << G4endl;
215 break; 238 break;
216 case 5: 239 case 5:
217 // fStepper = new G4CashKarpRKF45( << 240 // fStepper = new G4CashKarpRKF45( fEquation, 8 ); // no spin tracking
218 fStepper = new G4CashKarpRKF45(fEquation << 241 fStepper = new G4CashKarpRKF45( fEquation, 12 ); // with spin tracking
219 G4cout << "G4CashKarpRKF45 is called" << 242 G4cout << "G4CashKarpRKF45 is called" << G4endl;
220 break; 243 break;
221 default: << 244 default: fStepper = 0;
222 fStepper = nullptr; <<
223 } 245 }
224 } 246 }
225 247
226 //....oooOO0OOooo........oooOO0OOooo........oo 248 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
227 249
228 G4FieldManager* F04GlobalField::GetGlobalField 250 G4FieldManager* F04GlobalField::GetGlobalFieldManager()
229 { 251 {
230 return G4TransportationManager::GetTransport << 252 return G4TransportationManager::GetTransportationManager()
>> 253 ->GetFieldManager();
231 } 254 }
232 255
233 //....oooOO0OOooo........oooOO0OOooo........oo 256 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
234 257
235 void F04GlobalField::GetFieldValue(const G4dou 258 void F04GlobalField::GetFieldValue(const G4double* point, G4double* field) const
236 { 259 {
237 // NOTE: this routine dominates the CPU time 260 // NOTE: this routine dominates the CPU time for tracking.
238 // Using the simple array fFp[] instead of f << 261 // Using the simple array fFp[] instead of fields[]
239 // directly sped it up 262 // directly sped it up
240 263
241 field[0] = field[1] = field[2] = field[3] = 264 field[0] = field[1] = field[2] = field[3] = field[4] = field[5] = 0.0;
242 265
243 // protect against Geant4 bug that calls us 266 // protect against Geant4 bug that calls us with point[] NaN.
244 if (point[0] != point[0]) return; << 267 if(point[0] != point[0]) return;
245 268
246 // (can't use fNfp or fFp, as they may chang 269 // (can't use fNfp or fFp, as they may change)
247 if (fFirst) ((F04GlobalField*)this)->SetupAr << 270 if (fFirst) ((F04GlobalField*)this)->SetupArray(); // (cast away const)
248 271
249 for (int i = 0; i < fNfp; ++i) { << 272 for (int i=0; i<fNfp; ++i) {
250 const F04ElementField* p = fFp[i]; << 273 const F04ElementField* p = fFp[i];
251 if (p->IsInBoundingBox(point)) { << 274 if (p->IsInBoundingBox(point)) {
252 p->AddFieldValue(point, field); << 275 p->AddFieldValue(point,field);
253 } << 276 }
254 } 277 }
>> 278
255 } 279 }
256 280
257 //....oooOO0OOooo........oooOO0OOooo........oo 281 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
258 282
259 void F04GlobalField::Clear() 283 void F04GlobalField::Clear()
260 { 284 {
261 if (fFields) { 285 if (fFields) {
262 if (fFields->size() > 0) { << 286 if (fFields->size()>0) {
263 FieldList::iterator i; << 287 FieldList::iterator i;
264 for (i = fFields->begin(); i != fFields- << 288 for (i=fFields->begin(); i!=fFields->end(); ++i) delete *i;
265 delete *i; << 289 fFields->clear();
266 fFields->clear(); << 290 }
267 } <<
268 } 291 }
269 292
270 delete[] fFp; << 293 if (fFp) { delete [] fFp; }
271 fFirst = true; 294 fFirst = true;
272 fNfp = 0; 295 fNfp = 0;
273 fFp = nullptr; << 296 fFp = NULL;
274 } 297 }
275 298
276 //....oooOO0OOooo........oooOO0OOooo........oo 299 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 300
278 void F04GlobalField::SetupArray() 301 void F04GlobalField::SetupArray()
279 { 302 {
280 fFirst = false; 303 fFirst = false;
281 fNfp = fFields->size(); 304 fNfp = fFields->size();
282 fFp = new const F04ElementField*[fNfp + 1]; << 305 fFp = new const F04ElementField* [fNfp+1]; // add 1 so it's never 0
283 for (int i = 0; i < fNfp; ++i) << 306 for (int i=0; i<fNfp; ++i) fFp[i] = (*fFields)[i];
284 fFp[i] = (*fFields)[i]; <<
285 } 307 }
286 308