| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // <<
27 /// \file field/field04/src/F04GlobalField.cc 26 /// \file field/field04/src/F04GlobalField.cc
28 /// \brief Implementation of the F04GlobalFiel 27 /// \brief Implementation of the F04GlobalField class
29 // 28 //
>> 29 //
>> 30 #include <time.h>
30 31
31 #include "F04GlobalField.hh" << 32 #include "Randomize.hh"
32 << 33 #include "G4TransportationManager.hh"
33 #include "F04FocusSolenoid.hh" <<
34 #include "F04SimpleSolenoid.hh" <<
35 34
36 #include "G4CashKarpRKF45.hh" <<
37 #include "G4ClassicalRK4.hh" <<
38 #include "G4ExplicitEuler.hh" 35 #include "G4ExplicitEuler.hh"
39 #include "G4ImplicitEuler.hh" 36 #include "G4ImplicitEuler.hh"
40 #include "G4SimpleHeum.hh" <<
41 #include "G4SimpleRunge.hh" 37 #include "G4SimpleRunge.hh"
>> 38 #include "G4SimpleHeum.hh"
>> 39 #include "G4ClassicalRK4.hh"
>> 40 #include "G4CashKarpRKF45.hh"
42 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
43 #include "G4TransportationManager.hh" <<
44 #include "Randomize.hh" <<
45 <<
46 #include <ctime> <<
47 42
48 //....oooOO0OOooo........oooOO0OOooo........oo << 43 #include "F04GlobalField.hh"
49 44
50 G4ThreadLocal F04GlobalField* F04GlobalField:: << 45 F04GlobalField* F04GlobalField::fObject = 0;
51 46
52 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 48
54 F04GlobalField::F04GlobalField(F04DetectorCons << 49 F04GlobalField::F04GlobalField() : G4ElectroMagneticField(),
>> 50 fMinStep(0.01*mm), fDeltaChord(3.0*mm),
>> 51 fDeltaOneStep(0.01*mm), fDeltaIntersection(0.1*mm),
>> 52 fEpsMin(2.5e-7*mm), fEpsMax(0.05*mm),
>> 53 fEquation(0), fFieldManager(0),
>> 54 fFieldPropagator(0), fStepper(0), fChordFinder(0)
>> 55 //F04GlobalField::F04GlobalField() : G4MagneticField(),
>> 56 // fMinStep(0.01*mm), fDeltaChord(3.0*mm),
>> 57 // fDeltaOneStep(0.01*mm), fDeltaIntersection(0.1*mm),
>> 58 // fEpsMin(2.5e-7*mm), fEpsMax(0.05*mm),
>> 59 // fEquation(0), fFieldManager(0),
>> 60 // fFieldPropagator(0), fStepper(0), fChordFinder(0)
55 { 61 {
56 fFieldMessenger = new F04FieldMessenger(this << 62 fFieldMessenger = new F04FieldMessenger(this);
57 63
58 fFields = new FieldList(); 64 fFields = new FieldList();
59 65
>> 66 fStepperType = 4 ; // ClassicalRK4 is default stepper
>> 67
60 // set object 68 // set object
>> 69
61 fObject = this; 70 fObject = this;
62 71
63 ConstructField(); << 72 UpdateField();
64 } 73 }
65 74
66 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 76
68 F04GlobalField::~F04GlobalField() 77 F04GlobalField::~F04GlobalField()
69 { 78 {
70 Clear(); 79 Clear();
71 80
72 delete fFields; <<
73 <<
74 delete fFieldMessenger; 81 delete fFieldMessenger;
75 82
76 delete fEquation; << 83 if (fEquation) delete fEquation;
77 delete fStepper; << 84 if (fFieldManager) delete fFieldManager;
78 delete fChordFinder; << 85 if (fFieldPropagator) delete fFieldPropagator;
>> 86 if (fStepper) delete fStepper;
>> 87 if (fChordFinder) delete fChordFinder;
79 } 88 }
80 89
81 //....oooOO0OOooo........oooOO0OOooo........oo 90 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 91
83 void F04GlobalField::ConstructField() << 92 void F04GlobalField::UpdateField()
84 { 93 {
>> 94 fFirst = true;
>> 95
>> 96 fNfp = 0;
>> 97 fFp = 0;
>> 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; <<
137 G4double B1 = fDetectorConstruction->GetCapt <<
138 G4double B2 = fDetectorConstruction->GetCapt <<
139 <<
140 G4LogicalVolume* logicCaptureMgnt = fDetecto <<
141 G4ThreeVector captureMgntCenter = fDetectorC <<
142 <<
143 auto focusSolenoid = new F04FocusSolenoid(B1 <<
144 focusSolenoid->SetHalf(true); <<
145 <<
146 G4double B = fDetectorConstruction->GetTrans <<
147 <<
148 G4LogicalVolume* logicTransferMgnt = fDetect <<
149 G4ThreeVector transferMgntCenter = fDetector <<
150 <<
151 auto simpleSolenoid = new F04SimpleSolenoid( <<
152 <<
153 simpleSolenoid->SetColor("1,0,1"); <<
154 simpleSolenoid->SetColor("0,1,1"); <<
155 simpleSolenoid->SetMaxStep(1.5 * mm); <<
156 simpleSolenoid->SetMaxStep(2.5 * mm); <<
157 <<
158 if (fFields) { <<
159 if (fFields->size() > 0) { <<
160 FieldList::iterator i; <<
161 for (i = fFields->begin(); i != fFields- <<
162 (*i)->Construct(); <<
163 } <<
164 } <<
165 } <<
166 } <<
167 <<
168 //....oooOO0OOooo........oooOO0OOooo........oo <<
169 <<
170 F04GlobalField* F04GlobalField::GetObject(F04D <<
171 { <<
172 if (!fObject) new F04GlobalField(det); <<
173 return fObject; <<
174 } 153 }
175 154
176 //....oooOO0OOooo........oooOO0OOooo........oo 155 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
177 156
178 F04GlobalField* F04GlobalField::GetObject() 157 F04GlobalField* F04GlobalField::GetObject()
179 { 158 {
180 if (fObject) return fObject; << 159 if (!fObject) new F04GlobalField();
181 return nullptr; << 160 return fObject;
182 } 161 }
183 162
184 //....oooOO0OOooo........oooOO0OOooo........oo 163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 164
186 void F04GlobalField::SetStepper() 165 void F04GlobalField::SetStepper()
187 { 166 {
188 delete fStepper; << 167 if(fStepper) delete fStepper;
189 168
190 switch (fStepperType) { << 169 switch ( fStepperType )
>> 170 {
191 case 0: 171 case 0:
192 // fStepper = new G4ExplicitEuler( << 172 // fStepper = new G4ExplicitEuler( fEquation, 8 ); // no spin tracking
193 fStepper = new G4ExplicitEuler(fEquation << 173 fStepper = new G4ExplicitEuler( fEquation, 12 ); // with spin tracking
194 G4cout << "G4ExplicitEuler is called" << 174 G4cout << "G4ExplicitEuler is called" << G4endl;
195 break; 175 break;
196 case 1: 176 case 1:
197 // fStepper = new G4ImplicitEuler( << 177 // fStepper = new G4ImplicitEuler( fEquation, 8 ); // no spin tracking
198 fStepper = new G4ImplicitEuler(fEquation << 178 fStepper = new G4ImplicitEuler( fEquation, 12 ); // with spin tracking
199 G4cout << "G4ImplicitEuler is called" << 179 G4cout << "G4ImplicitEuler is called" << G4endl;
200 break; 180 break;
201 case 2: 181 case 2:
202 // fStepper = new G4SimpleRunge( fE << 182 // fStepper = new G4SimpleRunge( fEquation, 8 ); // no spin tracking
203 fStepper = new G4SimpleRunge(fEquation, << 183 fStepper = new G4SimpleRunge( fEquation, 12 ); // with spin tracking
204 G4cout << "G4SimpleRunge is called" << G 184 G4cout << "G4SimpleRunge is called" << G4endl;
205 break; 185 break;
206 case 3: 186 case 3:
207 // fStepper = new G4SimpleHeum( fEq << 187 // fStepper = new G4SimpleHeum( fEquation, 8 ); // no spin tracking
208 fStepper = new G4SimpleHeum(fEquation, 1 << 188 fStepper = new G4SimpleHeum( fEquation, 12 ); // with spin tracking
209 G4cout << "G4SimpleHeum is called" << G4 189 G4cout << "G4SimpleHeum is called" << G4endl;
210 break; 190 break;
211 case 4: 191 case 4:
212 // fStepper = new G4ClassicalRK4( f << 192 // fStepper = new G4ClassicalRK4( fEquation, 8 ); // no spin tracking
213 fStepper = new G4ClassicalRK4(fEquation, << 193 fStepper = new G4ClassicalRK4( fEquation, 12 ); // with spin tracking
214 G4cout << "G4ClassicalRK4 (default) is c 194 G4cout << "G4ClassicalRK4 (default) is called" << G4endl;
215 break; 195 break;
216 case 5: 196 case 5:
217 // fStepper = new G4CashKarpRKF45( << 197 // fStepper = new G4CashKarpRKF45( fEquation, 8 ); // no spin tracking
218 fStepper = new G4CashKarpRKF45(fEquation << 198 fStepper = new G4CashKarpRKF45( fEquation, 12 ); // with spin tracking
219 G4cout << "G4CashKarpRKF45 is called" << 199 G4cout << "G4CashKarpRKF45 is called" << G4endl;
220 break; 200 break;
221 default: << 201 default: fStepper = 0;
222 fStepper = nullptr; <<
223 } 202 }
224 } 203 }
225 204
226 //....oooOO0OOooo........oooOO0OOooo........oo 205 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
227 206
228 G4FieldManager* F04GlobalField::GetGlobalField 207 G4FieldManager* F04GlobalField::GetGlobalFieldManager()
229 { 208 {
230 return G4TransportationManager::GetTransport << 209 return G4TransportationManager::GetTransportationManager()
>> 210 ->GetFieldManager();
231 } 211 }
232 212
233 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
234 214
235 void F04GlobalField::GetFieldValue(const G4dou 215 void F04GlobalField::GetFieldValue(const G4double* point, G4double* field) const
236 { 216 {
237 // NOTE: this routine dominates the CPU time 217 // NOTE: this routine dominates the CPU time for tracking.
238 // Using the simple array fFp[] instead of f << 218 // Using the simple array fFp[] instead of fields[]
239 // directly sped it up 219 // directly sped it up
240 220
241 field[0] = field[1] = field[2] = field[3] = 221 field[0] = field[1] = field[2] = field[3] = field[4] = field[5] = 0.0;
242 222
243 // protect against Geant4 bug that calls us 223 // protect against Geant4 bug that calls us with point[] NaN.
244 if (point[0] != point[0]) return; << 224 if(point[0] != point[0]) return;
245 225
246 // (can't use fNfp or fFp, as they may chang 226 // (can't use fNfp or fFp, as they may change)
247 if (fFirst) ((F04GlobalField*)this)->SetupAr << 227 if (fFirst) ((F04GlobalField*)this)->SetupArray(); // (cast away const)
248 228
249 for (int i = 0; i < fNfp; ++i) { << 229 for (int i=0; i<fNfp; ++i) {
250 const F04ElementField* p = fFp[i]; << 230 const F04ElementField* p = fFp[i];
251 if (p->IsInBoundingBox(point)) { << 231 if (p->IsInBoundingBox(point)) {
252 p->AddFieldValue(point, field); << 232 p->AddFieldValue(point,field);
253 } << 233 }
254 } 234 }
>> 235
255 } 236 }
256 237
257 //....oooOO0OOooo........oooOO0OOooo........oo 238 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
258 239
259 void F04GlobalField::Clear() 240 void F04GlobalField::Clear()
260 { 241 {
261 if (fFields) { 242 if (fFields) {
262 if (fFields->size() > 0) { << 243 if (fFields->size()>0) {
263 FieldList::iterator i; << 244 FieldList::iterator i;
264 for (i = fFields->begin(); i != fFields- << 245 for (i=fFields->begin(); i!=fFields->end(); ++i) delete *i;
265 delete *i; << 246 fFields->clear();
266 fFields->clear(); << 247 }
267 } <<
268 } 248 }
269 249
270 delete[] fFp; << 250 if (fFp) delete[] fFp;
>> 251
271 fFirst = true; 252 fFirst = true;
>> 253
272 fNfp = 0; 254 fNfp = 0;
273 fFp = nullptr; << 255 fFp = NULL;
274 } 256 }
275 257
276 //....oooOO0OOooo........oooOO0OOooo........oo 258 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 259
278 void F04GlobalField::SetupArray() 260 void F04GlobalField::SetupArray()
279 { 261 {
280 fFirst = false; 262 fFirst = false;
281 fNfp = fFields->size(); 263 fNfp = fFields->size();
282 fFp = new const F04ElementField*[fNfp + 1]; << 264 fFp = new const F04ElementField* [fNfp+1]; // add 1 so it's never 0
283 for (int i = 0; i < fNfp; ++i) << 265 for (int i=0; i<fNfp; ++i) fFp[i] = (*fFields)[i];
284 fFp[i] = (*fFields)[i]; <<
285 } 266 }
286 267