Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 // 28 // 29 // ------------------------------------------- 30 // GEANT 4 include file implementation 31 // ------------------------------------------- 32 // 33 // Class description: 34 // 35 // G4Transportation is a process responsible f 36 // a particle, i.e. the geometrical propagatio 37 // geometrical sub-volumes of the detectors. 38 // It is also tasked with part of updating the 39 40 // =========================================== 41 // Created: 19 March 1997, J. Apostolakis 42 // =========================================== 43 #ifndef G4Transportation_hh 44 #define G4Transportation_hh 1 45 46 #include "G4VProcess.hh" 47 48 #include "G4Track.hh" 49 #include "G4Step.hh" 50 #include "G4ParticleChangeForTransport.hh" 51 52 class G4Navigator; 53 class G4PropagatorInField; 54 class G4SafetyHelper; 55 class G4TransportationLogger; 56 57 class G4Transportation : public G4VProcess 58 { 59 // Concrete class that does the geometrical 60 61 public: // with description 62 63 G4Transportation( G4int verbosityLevel= 1 64 ~G4Transportation(); 65 66 G4double AlongStepGetPhysicalInterac 67 const G4Track& tr 68 G4double p 69 G4double c 70 G4double& c 71 G4GPILSelec 72 ); // override; 73 74 G4VParticleChange* AlongStepDoIt( 75 const G4Track& tr 76 const G4Step& ste 77 ); // override; 78 79 G4VParticleChange* PostStepDoIt( 80 const G4Track& tr 81 const G4Step& st 82 ); // override; 83 // Responsible for the relocation 84 85 G4double PostStepGetPhysicalInteractionLe 86 const G4Track& , 87 G4double previo 88 G4ForceCondition* 89 ); // override; 90 // Forces the PostStepDoIt action to be 91 // but does not limit the step 92 93 inline G4bool FieldExertedForce() { retur 94 95 G4PropagatorInField* GetPropagatorInField 96 void SetPropagatorInField( G4PropagatorIn 97 // Access/set the assistant class that 98 99 inline G4double GetThresholdWarningEnergy 100 inline G4double GetThresholdImportantEner 101 inline G4int GetThresholdTrials() const; 102 103 inline void SetThresholdWarningEnergy( G4 104 inline void SetThresholdImportantEnergy( 105 inline void SetThresholdTrials(G4int newM 106 // Get/Set parameters for killing loopers 107 // Above 'important' energy a 'looping' 108 // *NOT* be abandoned, except after fTh 109 // Below Warning energy, no verbosity for 110 111 void SetHighLooperThresholds(); // Shortc 112 void SetLowLooperThresholds(); // Set low 113 void PushThresholdsToLogger(); // Inform 114 void ReportLooperThresholds(); // Print v 115 116 inline G4double GetMaxEnergyKilled() cons 117 inline G4double GetSumEnergyKilled() cons 118 inline void ResetKilledStatistics( G4int 119 // Statistics for tracks killed (currentl 120 121 inline void EnableShortStepOptimisation(G 122 // Whether short steps < safety will avoi 123 124 static G4bool EnableMagneticMoment(G4bool 125 // Whether to enable particles to be defl 126 127 static G4bool EnableGravity(G4bool useGra 128 // Whether to enable particles to be defl 129 130 static void SetSilenceLooperWarnings( G 131 // Do not warn (or throw exception) about 132 static G4bool GetSilenceLooperWarnings(); 133 134 public: // without description 135 static G4bool EnableUseMagneticMoment(G4b 136 { return EnableMagneticMoment(useMoment); 137 138 public: // without description 139 140 G4double AtRestGetPhysicalInteractionLeng 141 142 { return -1.0; } // No operation in At 143 144 G4VParticleChange* AtRestDoIt( const G4Tr 145 { return 0; } // No operation in At 146 147 void StartTracking(G4Track* aTrack); 148 // Reset state for new (potentially res 149 150 virtual void ProcessDescription(std::ostr 151 void PrintStatistics( std::ostream& outSt 152 153 protected: 154 155 void SetTouchableInformation(const G4Touc 156 157 void ReportMissingLogger(const char * met 158 159 protected: 160 161 G4Navigator* fLinearNavigator; 162 // The navigator for the 'mass' geometr 163 // (the real one, that physics occurs i 164 G4PropagatorInField* fFieldPropagator; 165 // The Propagators used to transport th 166 167 G4ThreeVector fTransportEndPosition= 168 G4ThreeVector fTransportEndMomentumDir= 169 G4double fTransportEndKineticEnergy= 170 G4ThreeVector fTransportEndSpin= G4Three 171 G4bool fMomentumChanged= true; 172 G4bool fEndGlobalTimeComputed= fal 173 G4double fCandidateEndGlobalTime= 0. 174 // The particle's state after this Step 175 176 G4bool fAnyFieldExists= false; 177 178 G4bool fParticleIsLooping = false; 179 G4bool fNewTrack= true; // Flag 180 G4bool fFirstStepInVolume= true; 181 G4bool fLastStepInVolume= false; // Last 182 // (temporary 183 G4bool fGeometryLimitedStep= true; 184 // Flag to determine whether a boundary 185 186 G4bool fFieldExertedForce= false; // Duri 187 188 G4TouchableHandle fCurrentTouchableHandle 189 190 G4ThreeVector fPreviousSftOrigin; 191 G4double fPreviousSafety; 192 // Remember last safety origin & value. 193 194 G4ParticleChangeForTransport fParticleCha 195 // New ParticleChange 196 197 G4double fEndPointDistance; 198 199 // Thresholds for looping particles: 200 // 201 G4double fThreshold_Warning_Energy = 1. 202 G4double fThreshold_Important_Energy = 1. 203 G4int fThresholdTrials = 10; // 204 // Above 'important' energy a 'looping' 205 // *NOT* be abandoned, except after fTh 206 G4int fAbandonUnstableTrials = 0; // 207 // 208 // Counter for steps in which particle re 209 // ( Used if it is above 'Important' Ene 210 G4int fNoLooperTrials= 0; 211 212 // Statistics for tracks abandoned due to 213 // 214 G4double fSumEnergyKilled= 0.0; 215 G4double fSumEnerSqKilled= 0.0; 216 G4double fMaxEnergyKilled= -1.0; 217 G4int fMaxEnergyKilledPDG= 0; 218 unsigned long fNumLoopersKilled= 0; 219 G4double fSumEnergyKilled_NonElectron= 0. 220 G4double fSumEnerSqKilled_NonElectron= 0. 221 G4double fMaxEnergyKilled_NonElectron= -1 222 G4int fMaxEnergyKilled_NonElecPDG= 0; 223 unsigned long fNumLoopersKilled_NonElectr 224 G4double fSumEnergySaved= 0.0; 225 G4double fMaxEnergySaved= -1.0; 226 G4double fSumEnergyUnstableSaved = 0.0; 227 // Whether to avoid calling G4Navigator f 228 // If using it, the safety estimate for e 229 // 230 G4bool fShortStepOptimisation; 231 232 G4SafetyHelper* fpSafetyHelper; // To 233 G4TransportationLogger* fpLogger; // Rep 234 235 protected: 236 237 static G4bool fUseMagneticMoment; 238 static G4bool fUseGravity; 239 static G4bool fSilenceLooperWarnings; // 240 241 }; 242 243 #include "G4Transportation.icc" 244 245 #endif 246