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25 // 22 //
26 // 23 //
>> 24 // $Id: G4Transportation.hh,v 1.9 2003/11/26 14:51:48 gcosmo Exp $
>> 25 // GEANT4 tag $Name: geant4-06-00-patch-01 $
27 // 26 //
28 // 27 //
29 // ------------------------------------------- 28 // ------------------------------------------------------------
30 // GEANT 4 include file implementation 29 // GEANT 4 include file implementation
31 // ------------------------------------------- 30 // ------------------------------------------------------------
32 // 31 //
33 // Class description: 32 // Class description:
34 // 33 //
35 // G4Transportation is a process responsible f 34 // G4Transportation is a process responsible for the transportation of
36 // a particle, i.e. the geometrical propagatio 35 // a particle, i.e. the geometrical propagation encountering the
37 // geometrical sub-volumes of the detectors. 36 // geometrical sub-volumes of the detectors.
38 // It is also tasked with part of updating the 37 // It is also tasked with part of updating the "safety".
39 38
40 // =========================================== 39 // =======================================================================
41 // Created: 19 March 1997, J. Apostolakis 40 // Created: 19 March 1997, J. Apostolakis
42 // =========================================== 41 // =======================================================================
43 #ifndef G4Transportation_hh 42 #ifndef G4Transportation_hh
44 #define G4Transportation_hh 1 43 #define G4Transportation_hh 1
45 44
46 #include "G4VProcess.hh" 45 #include "G4VProcess.hh"
>> 46 #include "G4FieldManager.hh"
47 47
>> 48 #include "G4Navigator.hh"
>> 49 #include "G4TransportationManager.hh"
>> 50 #include "G4PropagatorInField.hh"
48 #include "G4Track.hh" 51 #include "G4Track.hh"
49 #include "G4Step.hh" 52 #include "G4Step.hh"
50 #include "G4ParticleChangeForTransport.hh" 53 #include "G4ParticleChangeForTransport.hh"
51 54
52 class G4Navigator; <<
53 class G4PropagatorInField; <<
54 class G4SafetyHelper; <<
55 class G4TransportationLogger; <<
56 <<
57 class G4Transportation : public G4VProcess 55 class G4Transportation : public G4VProcess
58 { 56 {
59 // Concrete class that does the geometrical 57 // Concrete class that does the geometrical transport
60 58
61 public: // with description 59 public: // with description
62 60
63 G4Transportation( G4int verbosityLevel= 1 << 61 G4Transportation( G4int verbosityLevel= 1);
64 ~G4Transportation(); 62 ~G4Transportation();
65 63
66 G4double AlongStepGetPhysicalInterac 64 G4double AlongStepGetPhysicalInteractionLength(
67 const G4Track& tr 65 const G4Track& track,
68 G4double p 66 G4double previousStepSize,
69 G4double c 67 G4double currentMinimumStep,
70 G4double& c 68 G4double& currentSafety,
71 G4GPILSelec 69 G4GPILSelection* selection
72 ); // override; << 70 );
73 71
74 G4VParticleChange* AlongStepDoIt( 72 G4VParticleChange* AlongStepDoIt(
75 const G4Track& tr 73 const G4Track& track,
76 const G4Step& ste 74 const G4Step& stepData
77 ); // override; << 75 );
78 76
79 G4VParticleChange* PostStepDoIt( 77 G4VParticleChange* PostStepDoIt(
80 const G4Track& tr 78 const G4Track& track,
81 const G4Step& st 79 const G4Step& stepData
82 ); // override; << 80 );
83 // Responsible for the relocation << 81 // Responsible for the relocation.
84 82
85 G4double PostStepGetPhysicalInteractionLe 83 G4double PostStepGetPhysicalInteractionLength(
86 const G4Track& , 84 const G4Track& ,
87 G4double previo 85 G4double previousStepSize,
88 G4ForceCondition* 86 G4ForceCondition* pForceCond
89 ); // override; << 87 );
90 // Forces the PostStepDoIt action to be 88 // Forces the PostStepDoIt action to be called,
91 // but does not limit the step << 89 // but does not limit the step.
92 90
93 inline G4bool FieldExertedForce() { retur <<
94 <<
95 G4PropagatorInField* GetPropagatorInField 91 G4PropagatorInField* GetPropagatorInField();
96 void SetPropagatorInField( G4PropagatorIn 92 void SetPropagatorInField( G4PropagatorInField* pFieldPropagator);
97 // Access/set the assistant class that << 93 // Access/set the assistant class that Propagate in a Field.
>> 94
>> 95 void SetVerboseLevel( G4int verboseLevel );
>> 96 G4int GetVerboseLevel() const;
>> 97 // Level of warnings regarding eg energy conservation
>> 98 // in field integration.
98 99
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 100 public: // without description
139 101
140 G4double AtRestGetPhysicalInteractionLeng << 102 G4double AtRestGetPhysicalInteractionLength(
141 << 103 const G4Track& ,
142 { return -1.0; } // No operation in At << 104 G4ForceCondition*
143 << 105 ) { return -1.0; };
144 G4VParticleChange* AtRestDoIt( const G4Tr << 106 // No operation in AtRestDoIt.
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: <<
154 107
155 void SetTouchableInformation(const G4Touc << 108 G4VParticleChange* AtRestDoIt(
>> 109 const G4Track& ,
>> 110 const G4Step&
>> 111 ) {return 0;};
>> 112 // No operation in AtRestDoIt.
156 113
157 void ReportMissingLogger(const char * met <<
158 <<
159 protected: 114 protected:
160 115
161 G4Navigator* fLinearNavigator; << 116 G4bool DoesGlobalFieldExist();
162 // The navigator for the 'mass' geometr << 117 // Checks whether a field exists for the "global" field manager.
163 // (the real one, that physics occurs i << 118
>> 119 private:
>> 120
>> 121 G4Navigator* fLinearNavigator;
164 G4PropagatorInField* fFieldPropagator; 122 G4PropagatorInField* fFieldPropagator;
165 // The Propagators used to transport th 123 // The Propagators used to transport the particle
166 124
167 G4ThreeVector fTransportEndPosition= << 125 // G4FieldManager* fGlobalFieldMgr; // Used MagneticField CC
168 G4ThreeVector fTransportEndMomentumDir= << 126 // 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 <<
175 127
176 G4bool fAnyFieldExists= false; << 128 G4ThreeVector fTransportEndPosition;
177 << 129 G4ThreeVector fTransportEndMomentumDir;
178 G4bool fParticleIsLooping = false; << 130 G4double fTransportEndKineticEnergy;
179 G4bool fNewTrack= true; // Flag << 131 G4ThreeVector fTransportEndSpin;
180 G4bool fFirstStepInVolume= true; << 132 G4bool fMomentumChanged;
181 G4bool fLastStepInVolume= false; // Last << 133 G4bool fEnergyChanged;
182 // (temporary << 134 G4bool fEndGlobalTimeComputed;
183 G4bool fGeometryLimitedStep= true; << 135 G4double fCandidateEndGlobalTime;
184 // Flag to determine whether a boundary << 136 // The particle's state after this Step, Store for DoIt
185 137
186 G4bool fFieldExertedForce= false; // Duri << 138 G4bool fParticleIsLooping;
187 139
188 G4TouchableHandle fCurrentTouchableHandle << 140 G4TouchableHandle fCurrentTouchableHandle;
189 141
190 G4ThreeVector fPreviousSftOrigin; << 142 // G4bool fFieldExists;
191 G4double fPreviousSafety; << 143 // Whether a magnetic field exists ...
>> 144 // A data member for this is problematic: it is useful only if it
>> 145 // can be initialised and updated -- and a scheme is not yet possible.
>> 146
>> 147 G4bool fGeometryLimitedStep;
>> 148 // Flag to determine whether a boundary was reached.
>> 149
>> 150 G4ThreeVector fPreviousSftOrigin;
>> 151 G4double fPreviousSafety;
192 // Remember last safety origin & value. 152 // Remember last safety origin & value.
193 153
194 G4ParticleChangeForTransport fParticleCha 154 G4ParticleChangeForTransport fParticleChange;
195 // New ParticleChange 155 // New ParticleChange
196 156
197 G4double fEndPointDistance; << 157 G4double endpointDistance;
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: <<
236 158
237 static G4bool fUseMagneticMoment; << 159 G4int fVerboseLevel;
238 static G4bool fUseGravity; << 160 // Verbosity level for warnings
239 static G4bool fSilenceLooperWarnings; // << 161 // eg about energy non-conservation in magnetic field.
240 <<
241 }; 162 };
242 163
243 #include "G4Transportation.icc" 164 #include "G4Transportation.icc"
244 165
245 #endif 166 #endif
246 167