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