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25 // 25 //
>> 26 // $Id: F04GlobalField.cc 81915 2014-06-06 14:14:24Z gcosmo $
26 // 27 //
27 /// \file field/field04/src/F04GlobalField.cc 28 /// \file field/field04/src/F04GlobalField.cc
28 /// \brief Implementation of the F04GlobalFiel 29 /// \brief Implementation of the F04GlobalField class
29 // 30 //
30 31
31 #include "F04GlobalField.hh" << 32 #include <time.h>
32 33
33 #include "F04FocusSolenoid.hh" << 34 #include "Randomize.hh"
34 #include "F04SimpleSolenoid.hh" << 35 #include "G4TransportationManager.hh"
35 36
36 #include "G4CashKarpRKF45.hh" <<
37 #include "G4ClassicalRK4.hh" <<
38 #include "G4ExplicitEuler.hh" 37 #include "G4ExplicitEuler.hh"
39 #include "G4ImplicitEuler.hh" 38 #include "G4ImplicitEuler.hh"
40 #include "G4SimpleHeum.hh" <<
41 #include "G4SimpleRunge.hh" 39 #include "G4SimpleRunge.hh"
>> 40 #include "G4SimpleHeum.hh"
>> 41 #include "G4ClassicalRK4.hh"
>> 42 #include "G4CashKarpRKF45.hh"
42 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
43 #include "G4TransportationManager.hh" <<
44 #include "Randomize.hh" <<
45 44
46 #include <ctime> << 45 #include "F04GlobalField.hh"
>> 46 #include "F04SimpleSolenoid.hh"
>> 47 #include "F04FocusSolenoid.hh"
47 48
48 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 50
50 G4ThreadLocal F04GlobalField* F04GlobalField:: << 51 G4ThreadLocal F04GlobalField* F04GlobalField::fObject = 0;
51 52
52 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 54
54 F04GlobalField::F04GlobalField(F04DetectorCons << 55 F04GlobalField::F04GlobalField(F04DetectorConstruction* det)
>> 56 : G4ElectroMagneticField(),
>> 57 fMinStep(0.01*mm), fDeltaChord(3.0*mm),
>> 58 fDeltaOneStep(0.01*mm), fDeltaIntersection(0.1*mm),
>> 59 fEpsMin(2.5e-7*mm), fEpsMax(0.05*mm),
>> 60 fEquation(0), fFieldManager(0),
>> 61 fFieldPropagator(0), fStepper(0), fChordFinder(0),
>> 62 fDetectorConstruction(det)
>> 63 //F04GlobalField::F04GlobalField(F04DetectorConstruction* det)
>> 64 // : G4MagneticField(),
>> 65 // fMinStep(0.01*mm), fDeltaChord(3.0*mm),
>> 66 // fDeltaOneStep(0.01*mm), fDeltaIntersection(0.1*mm),
>> 67 // fEpsMin(2.5e-7*mm), fEpsMax(0.05*mm),
>> 68 // fEquation(0), fFieldManager(0),
>> 69 // fFieldPropagator(0), fStepper(0), fChordFinder(0),
>> 70 // fDetectorConstruction(det)
55 { 71 {
56 fFieldMessenger = new F04FieldMessenger(this << 72 fFieldMessenger = new F04FieldMessenger(this,det);
57 73
58 fFields = new FieldList(); 74 fFields = new FieldList();
59 75
>> 76 fStepperType = 4 ; // ClassicalRK4 is default stepper
>> 77
60 // set object 78 // set object
>> 79
61 fObject = this; 80 fObject = this;
>> 81 fFirst = true;
>> 82
>> 83 fNfp = 0;
>> 84 fFp = NULL;
62 85
63 ConstructField(); 86 ConstructField();
64 } 87 }
65 88
66 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 90
68 F04GlobalField::~F04GlobalField() 91 F04GlobalField::~F04GlobalField()
69 { 92 {
70 Clear(); 93 Clear();
71 94
72 delete fFields; 95 delete fFields;
73 96
74 delete fFieldMessenger; 97 delete fFieldMessenger;
75 98
76 delete fEquation; << 99 if (fEquation) delete fEquation;
77 delete fStepper; << 100 if (fStepper) delete fStepper;
78 delete fChordFinder; << 101 if (fChordFinder) delete fChordFinder;
79 } 102 }
80 103
81 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 105
83 void F04GlobalField::ConstructField() 106 void F04GlobalField::ConstructField()
84 { 107 {
85 Clear(); 108 Clear();
86 109
87 // Construct equ. of motion of particles th 110 // Construct equ. of motion of particles through B fields
88 // fEquation = new G4Mag_EqRhs(this); << 111 // fEquation = new G4Mag_EqRhs(this);
89 // Construct equ. of motion of particles th 112 // Construct equ. of motion of particles through e.m. fields
90 // fEquation = new G4EqMagElectricField(thi << 113 // fEquation = new G4EqMagElectricField(this);
91 // Construct equ. of motion of particles in 114 // Construct equ. of motion of particles including spin through B fields
92 // fEquation = new G4Mag_SpinEqRhs(this); << 115 // fEquation = new G4Mag_SpinEqRhs(this);
93 // Construct equ. of motion of particles in 116 // Construct equ. of motion of particles including spin through e.m. fields
94 fEquation = new G4EqEMFieldWithSpin(this); 117 fEquation = new G4EqEMFieldWithSpin(this);
95 118
96 // Get transportation, field, and propagato 119 // Get transportation, field, and propagator managers
97 G4TransportationManager* transportManager = << 120 G4TransportationManager* transportManager =
>> 121 G4TransportationManager::GetTransportationManager();
98 122
99 fFieldManager = GetGlobalFieldManager(); 123 fFieldManager = GetGlobalFieldManager();
100 124
101 fFieldPropagator = transportManager->GetProp 125 fFieldPropagator = transportManager->GetPropagatorInField();
102 126
103 // Need to SetFieldChangesEnergy to account 127 // Need to SetFieldChangesEnergy to account for a time varying electric
104 // field (r.f. fields) 128 // field (r.f. fields)
105 fFieldManager->SetFieldChangesEnergy(true); 129 fFieldManager->SetFieldChangesEnergy(true);
106 130
107 // Set the field 131 // Set the field
108 fFieldManager->SetDetectorField(this); 132 fFieldManager->SetDetectorField(this);
109 133
110 // Choose a stepper for integration of the 134 // Choose a stepper for integration of the equation of motion
111 SetStepper(); 135 SetStepper();
112 136
113 // Create a cord finder providing the (glob 137 // Create a cord finder providing the (global field, min step length,
114 // a pointer to the stepper) 138 // a pointer to the stepper)
115 fChordFinder = new G4ChordFinder((G4Magnetic << 139 fChordFinder = new G4ChordFinder((G4MagneticField*)this,fMinStep,fStepper);
116 140
117 // Set accuracy parameters 141 // Set accuracy parameters
118 fChordFinder->SetDeltaChord(fDeltaChord); << 142 fChordFinder->SetDeltaChord( fDeltaChord );
119 143
120 fFieldManager->SetAccuraciesWithDeltaOneStep 144 fFieldManager->SetAccuraciesWithDeltaOneStep(fDeltaOneStep);
121 145
122 fFieldManager->SetDeltaIntersection(fDeltaIn 146 fFieldManager->SetDeltaIntersection(fDeltaIntersection);
123 147
124 fFieldPropagator->SetMinimumEpsilonStep(fEps 148 fFieldPropagator->SetMinimumEpsilonStep(fEpsMin);
125 fFieldPropagator->SetMaximumEpsilonStep(fEps 149 fFieldPropagator->SetMaximumEpsilonStep(fEpsMax);
126 150
127 G4cout << "Accuracy Parameters:" << 151 G4cout << "Accuracy Parameters:" <<
128 << " MinStep=" << fMinStep << " Delta << 152 " MinStep=" << fMinStep <<
129 << " DeltaOneStep=" << fDeltaOneStep << 153 " DeltaChord=" << fDeltaChord <<
130 G4cout << " " << 154 " DeltaOneStep=" << fDeltaOneStep << G4endl;
131 << " DeltaIntersection=" << fDeltaInt << 155 G4cout << " " <<
132 << " EpsMax=" << fEpsMax << G4endl; << 156 " DeltaIntersection=" << fDeltaIntersection <<
>> 157 " EpsMin=" << fEpsMin <<
>> 158 " EpsMax=" << fEpsMax << G4endl;
133 159
134 fFieldManager->SetChordFinder(fChordFinder); 160 fFieldManager->SetChordFinder(fChordFinder);
135 161
136 G4double l = 0.0; 162 G4double l = 0.0;
137 G4double B1 = fDetectorConstruction->GetCapt 163 G4double B1 = fDetectorConstruction->GetCaptureMgntB1();
138 G4double B2 = fDetectorConstruction->GetCapt 164 G4double B2 = fDetectorConstruction->GetCaptureMgntB2();
139 165
140 G4LogicalVolume* logicCaptureMgnt = fDetecto 166 G4LogicalVolume* logicCaptureMgnt = fDetectorConstruction->GetCaptureMgnt();
141 G4ThreeVector captureMgntCenter = fDetectorC << 167 G4ThreeVector captureMgntCenter =
>> 168 fDetectorConstruction->GetCaptureMgntCenter();
142 169
143 auto focusSolenoid = new F04FocusSolenoid(B1 << 170 F04FocusSolenoid* focusSolenoid =
144 focusSolenoid->SetHalf(true); << 171 new F04FocusSolenoid(B1, B2, l, logicCaptureMgnt,captureMgntCenter);
>> 172 focusSolenoid -> SetHalf(true);
145 173
146 G4double B = fDetectorConstruction->GetTrans 174 G4double B = fDetectorConstruction->GetTransferMgntB();
147 175
148 G4LogicalVolume* logicTransferMgnt = fDetect << 176 G4LogicalVolume* logicTransferMgnt =
149 G4ThreeVector transferMgntCenter = fDetector << 177 fDetectorConstruction->GetTransferMgnt();
>> 178 G4ThreeVector transferMgntCenter =
>> 179 fDetectorConstruction->GetTransferMgntCenter();
150 180
151 auto simpleSolenoid = new F04SimpleSolenoid( << 181 F04SimpleSolenoid* simpleSolenoid =
>> 182 new F04SimpleSolenoid(B, l, logicTransferMgnt,transferMgntCenter);
152 183
153 simpleSolenoid->SetColor("1,0,1"); 184 simpleSolenoid->SetColor("1,0,1");
154 simpleSolenoid->SetColor("0,1,1"); 185 simpleSolenoid->SetColor("0,1,1");
155 simpleSolenoid->SetMaxStep(1.5 * mm); << 186 simpleSolenoid->SetMaxStep(1.5*mm);
156 simpleSolenoid->SetMaxStep(2.5 * mm); << 187 simpleSolenoid->SetMaxStep(2.5*mm);
157 188
158 if (fFields) { 189 if (fFields) {
159 if (fFields->size() > 0) { << 190 if (fFields->size()>0) {
160 FieldList::iterator i; << 191 FieldList::iterator i;
161 for (i = fFields->begin(); i != fFields- << 192 for (i=fFields->begin(); i!=fFields->end(); ++i){
162 (*i)->Construct(); << 193 (*i)->Construct();
163 } << 194 }
164 } << 195 }
165 } 196 }
166 } 197 }
167 198
168 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
169 200
170 F04GlobalField* F04GlobalField::GetObject(F04D 201 F04GlobalField* F04GlobalField::GetObject(F04DetectorConstruction* det)
171 { 202 {
172 if (!fObject) new F04GlobalField(det); 203 if (!fObject) new F04GlobalField(det);
173 return fObject; 204 return fObject;
174 } 205 }
175 206
176 //....oooOO0OOooo........oooOO0OOooo........oo 207 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
177 208
178 F04GlobalField* F04GlobalField::GetObject() 209 F04GlobalField* F04GlobalField::GetObject()
179 { 210 {
180 if (fObject) return fObject; 211 if (fObject) return fObject;
181 return nullptr; << 212 return NULL;
182 } 213 }
183 214
184 //....oooOO0OOooo........oooOO0OOooo........oo 215 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 216
186 void F04GlobalField::SetStepper() 217 void F04GlobalField::SetStepper()
187 { 218 {
188 delete fStepper; << 219 if(fStepper) delete fStepper;
189 220
190 switch (fStepperType) { << 221 switch ( fStepperType )
>> 222 {
191 case 0: 223 case 0:
192 // fStepper = new G4ExplicitEuler( << 224 // fStepper = new G4ExplicitEuler( fEquation, 8 ); // no spin tracking
193 fStepper = new G4ExplicitEuler(fEquation << 225 fStepper = new G4ExplicitEuler( fEquation, 12 ); // with spin tracking
194 G4cout << "G4ExplicitEuler is called" << 226 G4cout << "G4ExplicitEuler is called" << G4endl;
195 break; 227 break;
196 case 1: 228 case 1:
197 // fStepper = new G4ImplicitEuler( << 229 // fStepper = new G4ImplicitEuler( fEquation, 8 ); // no spin tracking
198 fStepper = new G4ImplicitEuler(fEquation << 230 fStepper = new G4ImplicitEuler( fEquation, 12 ); // with spin tracking
199 G4cout << "G4ImplicitEuler is called" << 231 G4cout << "G4ImplicitEuler is called" << G4endl;
200 break; 232 break;
201 case 2: 233 case 2:
202 // fStepper = new G4SimpleRunge( fE << 234 // fStepper = new G4SimpleRunge( fEquation, 8 ); // no spin tracking
203 fStepper = new G4SimpleRunge(fEquation, << 235 fStepper = new G4SimpleRunge( fEquation, 12 ); // with spin tracking
204 G4cout << "G4SimpleRunge is called" << G 236 G4cout << "G4SimpleRunge is called" << G4endl;
205 break; 237 break;
206 case 3: 238 case 3:
207 // fStepper = new G4SimpleHeum( fEq << 239 // fStepper = new G4SimpleHeum( fEquation, 8 ); // no spin tracking
208 fStepper = new G4SimpleHeum(fEquation, 1 << 240 fStepper = new G4SimpleHeum( fEquation, 12 ); // with spin tracking
209 G4cout << "G4SimpleHeum is called" << G4 241 G4cout << "G4SimpleHeum is called" << G4endl;
210 break; 242 break;
211 case 4: 243 case 4:
212 // fStepper = new G4ClassicalRK4( f << 244 // fStepper = new G4ClassicalRK4( fEquation, 8 ); // no spin tracking
213 fStepper = new G4ClassicalRK4(fEquation, << 245 fStepper = new G4ClassicalRK4( fEquation, 12 ); // with spin tracking
214 G4cout << "G4ClassicalRK4 (default) is c 246 G4cout << "G4ClassicalRK4 (default) is called" << G4endl;
215 break; 247 break;
216 case 5: 248 case 5:
217 // fStepper = new G4CashKarpRKF45( << 249 // fStepper = new G4CashKarpRKF45( fEquation, 8 ); // no spin tracking
218 fStepper = new G4CashKarpRKF45(fEquation << 250 fStepper = new G4CashKarpRKF45( fEquation, 12 ); // with spin tracking
219 G4cout << "G4CashKarpRKF45 is called" << 251 G4cout << "G4CashKarpRKF45 is called" << G4endl;
220 break; 252 break;
221 default: << 253 default: fStepper = 0;
222 fStepper = nullptr; <<
223 } 254 }
224 } 255 }
225 256
226 //....oooOO0OOooo........oooOO0OOooo........oo 257 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
227 258
228 G4FieldManager* F04GlobalField::GetGlobalField 259 G4FieldManager* F04GlobalField::GetGlobalFieldManager()
229 { 260 {
230 return G4TransportationManager::GetTransport << 261 return G4TransportationManager::GetTransportationManager()
>> 262 ->GetFieldManager();
231 } 263 }
232 264
233 //....oooOO0OOooo........oooOO0OOooo........oo 265 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
234 266
235 void F04GlobalField::GetFieldValue(const G4dou 267 void F04GlobalField::GetFieldValue(const G4double* point, G4double* field) const
236 { 268 {
237 // NOTE: this routine dominates the CPU time 269 // NOTE: this routine dominates the CPU time for tracking.
238 // Using the simple array fFp[] instead of f << 270 // Using the simple array fFp[] instead of fields[]
239 // directly sped it up 271 // directly sped it up
240 272
241 field[0] = field[1] = field[2] = field[3] = 273 field[0] = field[1] = field[2] = field[3] = field[4] = field[5] = 0.0;
242 274
243 // protect against Geant4 bug that calls us 275 // protect against Geant4 bug that calls us with point[] NaN.
244 if (point[0] != point[0]) return; << 276 if(point[0] != point[0]) return;
245 277
246 // (can't use fNfp or fFp, as they may chang 278 // (can't use fNfp or fFp, as they may change)
247 if (fFirst) ((F04GlobalField*)this)->SetupAr << 279 if (fFirst) ((F04GlobalField*)this)->SetupArray(); // (cast away const)
248 280
249 for (int i = 0; i < fNfp; ++i) { << 281 for (int i=0; i<fNfp; ++i) {
250 const F04ElementField* p = fFp[i]; << 282 const F04ElementField* p = fFp[i];
251 if (p->IsInBoundingBox(point)) { << 283 if (p->IsInBoundingBox(point)) {
252 p->AddFieldValue(point, field); << 284 p->AddFieldValue(point,field);
253 } << 285 }
254 } 286 }
>> 287
255 } 288 }
256 289
257 //....oooOO0OOooo........oooOO0OOooo........oo 290 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
258 291
259 void F04GlobalField::Clear() 292 void F04GlobalField::Clear()
260 { 293 {
261 if (fFields) { 294 if (fFields) {
262 if (fFields->size() > 0) { << 295 if (fFields->size()>0) {
263 FieldList::iterator i; << 296 FieldList::iterator i;
264 for (i = fFields->begin(); i != fFields- << 297 for (i=fFields->begin(); i!=fFields->end(); ++i) delete *i;
265 delete *i; << 298 fFields->clear();
266 fFields->clear(); << 299 }
267 } <<
268 } 300 }
269 301
270 delete[] fFp; << 302 if (fFp) delete [] fFp; fFirst = true;
271 fFirst = true; <<
272 fNfp = 0; 303 fNfp = 0;
273 fFp = nullptr; << 304 fFp = NULL;
274 } 305 }
275 306
276 //....oooOO0OOooo........oooOO0OOooo........oo 307 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 308
278 void F04GlobalField::SetupArray() 309 void F04GlobalField::SetupArray()
279 { 310 {
280 fFirst = false; 311 fFirst = false;
281 fNfp = fFields->size(); 312 fNfp = fFields->size();
282 fFp = new const F04ElementField*[fNfp + 1]; << 313 fFp = new const F04ElementField* [fNfp+1]; // add 1 so it's never 0
283 for (int i = 0; i < fNfp; ++i) << 314 for (int i=0; i<fNfp; ++i) fFp[i] = (*fFields)[i];
284 fFp[i] = (*fFields)[i]; <<
285 } 315 }
286 316