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26 // 26 //
>> 27 // $Id: G4Transportation.hh,v 1.16 2007/11/08 17:59:38 japost Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-02 $
27 // 29 //
28 // 30 //
29 // ------------------------------------------- 31 // ------------------------------------------------------------
30 // GEANT 4 include file implementation 32 // GEANT 4 include file implementation
31 // ------------------------------------------- 33 // ------------------------------------------------------------
32 // 34 //
33 // Class description: 35 // Class description:
34 // 36 //
35 // G4Transportation is a process responsible f 37 // G4Transportation is a process responsible for the transportation of
36 // a particle, i.e. the geometrical propagatio 38 // a particle, i.e. the geometrical propagation encountering the
37 // geometrical sub-volumes of the detectors. 39 // geometrical sub-volumes of the detectors.
38 // It is also tasked with part of updating the 40 // It is also tasked with part of updating the "safety".
39 41
40 // =========================================== 42 // =======================================================================
41 // Created: 19 March 1997, J. Apostolakis 43 // Created: 19 March 1997, J. Apostolakis
42 // =========================================== 44 // =======================================================================
43 #ifndef G4Transportation_hh 45 #ifndef G4Transportation_hh
44 #define G4Transportation_hh 1 46 #define G4Transportation_hh 1
45 47
46 #include "G4VProcess.hh" 48 #include "G4VProcess.hh"
>> 49 #include "G4FieldManager.hh"
47 50
>> 51 #include "G4Navigator.hh"
>> 52 #include "G4TransportationManager.hh"
>> 53 #include "G4PropagatorInField.hh"
48 #include "G4Track.hh" 54 #include "G4Track.hh"
49 #include "G4Step.hh" 55 #include "G4Step.hh"
50 #include "G4ParticleChangeForTransport.hh" 56 #include "G4ParticleChangeForTransport.hh"
51 57
52 class G4Navigator; <<
53 class G4PropagatorInField; <<
54 class G4SafetyHelper; <<
55 class G4TransportationLogger; <<
56 <<
57 class G4Transportation : public G4VProcess 58 class G4Transportation : public G4VProcess
58 { 59 {
59 // Concrete class that does the geometrical 60 // Concrete class that does the geometrical transport
60 61
61 public: // with description 62 public: // with description
62 63
63 G4Transportation( G4int verbosityLevel= 1 << 64 G4Transportation( G4int verbosityLevel= 1);
64 ~G4Transportation(); 65 ~G4Transportation();
65 66
66 G4double AlongStepGetPhysicalInterac 67 G4double AlongStepGetPhysicalInteractionLength(
67 const G4Track& tr 68 const G4Track& track,
68 G4double p 69 G4double previousStepSize,
69 G4double c 70 G4double currentMinimumStep,
70 G4double& c 71 G4double& currentSafety,
71 G4GPILSelec 72 G4GPILSelection* selection
72 ); // override; << 73 );
73 74
74 G4VParticleChange* AlongStepDoIt( 75 G4VParticleChange* AlongStepDoIt(
75 const G4Track& tr 76 const G4Track& track,
76 const G4Step& ste 77 const G4Step& stepData
77 ); // override; << 78 );
78 79
79 G4VParticleChange* PostStepDoIt( 80 G4VParticleChange* PostStepDoIt(
80 const G4Track& tr 81 const G4Track& track,
81 const G4Step& st 82 const G4Step& stepData
82 ); // override; << 83 );
83 // Responsible for the relocation << 84 // Responsible for the relocation.
84 85
85 G4double PostStepGetPhysicalInteractionLe 86 G4double PostStepGetPhysicalInteractionLength(
86 const G4Track& , 87 const G4Track& ,
87 G4double previo 88 G4double previousStepSize,
88 G4ForceCondition* 89 G4ForceCondition* pForceCond
89 ); // override; << 90 );
90 // Forces the PostStepDoIt action to be 91 // Forces the PostStepDoIt action to be called,
91 // but does not limit the step << 92 // but does not limit the step.
92 93
93 inline G4bool FieldExertedForce() { retur <<
94 <<
95 G4PropagatorInField* GetPropagatorInField 94 G4PropagatorInField* GetPropagatorInField();
96 void SetPropagatorInField( G4PropagatorIn 95 void SetPropagatorInField( G4PropagatorInField* pFieldPropagator);
97 // Access/set the assistant class that << 96 // Access/set the assistant class that Propagate in a Field.
>> 97
>> 98 inline void SetVerboseLevel( G4int verboseLevel );
>> 99 inline G4int GetVerboseLevel() const;
>> 100 // Level of warnings regarding eg energy conservation
>> 101 // in field integration.
98 102
99 inline G4double GetThresholdWarningEnergy 103 inline G4double GetThresholdWarningEnergy() const;
100 inline G4double GetThresholdImportantEner 104 inline G4double GetThresholdImportantEnergy() const;
101 inline G4int GetThresholdTrials() const; 105 inline G4int GetThresholdTrials() const;
102 106
103 inline void SetThresholdWarningEnergy( G4 107 inline void SetThresholdWarningEnergy( G4double newEnWarn );
104 inline void SetThresholdImportantEnergy( 108 inline void SetThresholdImportantEnergy( G4double newEnImp );
105 inline void SetThresholdTrials(G4int newM 109 inline void SetThresholdTrials(G4int newMaxTrials );
>> 110
106 // Get/Set parameters for killing loopers 111 // Get/Set parameters for killing loopers:
107 // Above 'important' energy a 'looping' 112 // Above 'important' energy a 'looping' particle in field will
108 // *NOT* be abandoned, except after fTh 113 // *NOT* be abandoned, except after fThresholdTrials attempts.
109 // Below Warning energy, no verbosity for 114 // Below Warning energy, no verbosity for looping particles is issued
110 115
111 void SetHighLooperThresholds(); // Shortc <<
112 void SetLowLooperThresholds(); // Set low <<
113 void PushThresholdsToLogger(); // Inform <<
114 void ReportLooperThresholds(); // Print v <<
115 <<
116 inline G4double GetMaxEnergyKilled() cons 116 inline G4double GetMaxEnergyKilled() const;
117 inline G4double GetSumEnergyKilled() cons 117 inline G4double GetSumEnergyKilled() const;
118 inline void ResetKilledStatistics( G4int 118 inline void ResetKilledStatistics( G4int report = 1);
119 // Statistics for tracks killed (currentl 119 // Statistics for tracks killed (currently due to looping in field)
120 120
121 inline void EnableShortStepOptimisation(G 121 inline void EnableShortStepOptimisation(G4bool optimise=true);
122 // Whether short steps < safety will avoi 122 // Whether short steps < safety will avoid to call Navigator (if field=0)
123 123
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 124 public: // without description
139 125
140 G4double AtRestGetPhysicalInteractionLeng << 126 G4double AtRestGetPhysicalInteractionLength(
141 << 127 const G4Track& ,
142 { return -1.0; } // No operation in At << 128 G4ForceCondition*
>> 129 ) { return -1.0; };
>> 130 // No operation in AtRestDoIt.
143 131
144 G4VParticleChange* AtRestDoIt( const G4Tr << 132 G4VParticleChange* AtRestDoIt(
145 { return 0; } // No operation in At << 133 const G4Track& ,
>> 134 const G4Step&
>> 135 ) {return 0;};
>> 136 // No operation in AtRestDoIt.
146 137
147 void StartTracking(G4Track* aTrack); << 138 void StartTracking(G4Track* aTrack);
148 // Reset state for new (potentially res 139 // Reset state for new (potentially resumed) track
149 140
150 virtual void ProcessDescription(std::ostr <<
151 void PrintStatistics( std::ostream& outSt <<
152 <<
153 protected: 141 protected:
154 142
155 void SetTouchableInformation(const G4Touc << 143 G4bool DoesGlobalFieldExist();
>> 144 // Checks whether a field exists for the "global" field manager.
156 145
157 void ReportMissingLogger(const char * met << 146 private:
158 <<
159 protected: <<
160 147
161 G4Navigator* fLinearNavigator; << 148 G4Navigator* fLinearNavigator;
162 // The navigator for the 'mass' geometr <<
163 // (the real one, that physics occurs i <<
164 G4PropagatorInField* fFieldPropagator; 149 G4PropagatorInField* fFieldPropagator;
165 // The Propagators used to transport th 150 // The Propagators used to transport the particle
166 151
167 G4ThreeVector fTransportEndPosition= << 152 // G4FieldManager* fGlobalFieldMgr; // Used MagneticField CC
168 G4ThreeVector fTransportEndMomentumDir= << 153 // Field Manager for the whole Detector
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 <<
175 154
176 G4bool fAnyFieldExists= false; << 155 G4ThreeVector fTransportEndPosition;
177 << 156 G4ThreeVector fTransportEndMomentumDir;
178 G4bool fParticleIsLooping = false; << 157 G4double fTransportEndKineticEnergy;
179 G4bool fNewTrack= true; // Flag << 158 G4ThreeVector fTransportEndSpin;
180 G4bool fFirstStepInVolume= true; << 159 G4bool fMomentumChanged;
181 G4bool fLastStepInVolume= false; // Last << 160 G4bool fEnergyChanged;
182 // (temporary << 161 G4bool fEndGlobalTimeComputed;
183 G4bool fGeometryLimitedStep= true; << 162 G4double fCandidateEndGlobalTime;
184 // Flag to determine whether a boundary << 163 // The particle's state after this Step, Store for DoIt
185 164
186 G4bool fFieldExertedForce= false; // Duri << 165 G4bool fParticleIsLooping;
187 166
188 G4TouchableHandle fCurrentTouchableHandle << 167 G4TouchableHandle fCurrentTouchableHandle;
189 168
190 G4ThreeVector fPreviousSftOrigin; << 169 // G4bool fFieldExists;
191 G4double fPreviousSafety; << 170 // Whether a magnetic field exists ...
>> 171 // A data member for this is problematic: it is useful only if it
>> 172 // can be initialised and updated -- and a scheme is not yet possible.
>> 173
>> 174 G4bool fGeometryLimitedStep;
>> 175 // Flag to determine whether a boundary was reached.
>> 176
>> 177 G4ThreeVector fPreviousSftOrigin;
>> 178 G4double fPreviousSafety;
192 // Remember last safety origin & value. 179 // Remember last safety origin & value.
193 180
194 G4ParticleChangeForTransport fParticleCha 181 G4ParticleChangeForTransport fParticleChange;
195 // New ParticleChange 182 // New ParticleChange
196 183
197 G4double fEndPointDistance; << 184 G4double endpointDistance;
198 185
199 // Thresholds for looping particles: << 186 // Thresholds for looping particles:
200 // << 187 //
201 G4double fThreshold_Warning_Energy = 1. << 188 G4double fThreshold_Warning_Energy; // Warn above this energy
202 G4double fThreshold_Important_Energy = 1. << 189 G4double fThreshold_Important_Energy; // Hesitate above this
203 G4int fThresholdTrials = 10; // << 190 G4int fThresholdTrials; // for this no of trials
204 // Above 'important' energy a 'looping' 191 // Above 'important' energy a 'looping' particle in field will
205 // *NOT* be abandoned, except after fTh << 192 // *NOT* be abandoned, except after fThresholdTrials attempts.
206 G4int fAbandonUnstableTrials = 0; // << 193 G4double fUnimportant_Energy;
207 // << 194 // Below this energy, no verbosity for looping particles is issued
208 // Counter for steps in which particle re << 195
209 // ( Used if it is above 'Important' Ene << 196 // Counter for steps in which particle reports 'looping',
210 G4int fNoLooperTrials= 0; << 197 // if it is above 'Important' Energy
211 << 198 G4int fNoLooperTrials;
212 // Statistics for tracks abandoned due to << 199 // Statistics for tracks abandoned
213 // << 200 G4double fSumEnergyKilled;
214 G4double fSumEnergyKilled= 0.0; << 201 G4double fMaxEnergyKilled;
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 <<
234 202
235 protected: << 203 // Whether to avoid calling G4Navigator for short step ( < safety)
>> 204 // If using it, the safety estimate for endpoint will likely be smaller.
>> 205 G4bool fShortStepOptimisation;
236 206
237 static G4bool fUseMagneticMoment; << 207 // Verbosity
238 static G4bool fUseGravity; << 208 G4int fVerboseLevel;
239 static G4bool fSilenceLooperWarnings; // << 209 // Verbosity level for warnings
240 << 210 // eg about energy non-conservation in magnetic field.
241 }; 211 };
242 212
243 #include "G4Transportation.icc" 213 #include "G4Transportation.icc"
244 214
245 #endif 215 #endif
246 216