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25 // 25 //
26 /// \file Par01/src/Par01EMShowerModel.cc 26 /// \file Par01/src/Par01EMShowerModel.cc
27 /// \brief Implementation of the Par01EMShower 27 /// \brief Implementation of the Par01EMShowerModel class
28 // 28 //
29 // 29 //
30 // 30 //
31 #include "Par01EMShowerModel.hh" 31 #include "Par01EMShowerModel.hh"
32 <<
33 #include "Par01EnergySpot.hh" 32 #include "Par01EnergySpot.hh"
34 33
>> 34 #include "Randomize.hh"
>> 35
35 #include "G4Electron.hh" 36 #include "G4Electron.hh"
36 #include "G4Gamma.hh" <<
37 #include "G4NistManager.hh" <<
38 #include "G4PhysicalConstants.hh" <<
39 #include "G4Positron.hh" 37 #include "G4Positron.hh"
40 #include "G4SystemOfUnits.hh" << 38 #include "G4Gamma.hh"
41 #include "G4TouchableHandle.hh" <<
42 #include "G4TransportationManager.hh" 39 #include "G4TransportationManager.hh"
43 #include "G4VSensitiveDetector.hh" 40 #include "G4VSensitiveDetector.hh"
44 #include "Randomize.hh" << 41 #include "G4TouchableHandle.hh"
>> 42 #include "G4PhysicalConstants.hh"
>> 43 #include "G4SystemOfUnits.hh"
>> 44 #include "G4NistManager.hh"
45 45
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 47
48 Par01EMShowerModel::Par01EMShowerModel(G4Strin 48 Par01EMShowerModel::Par01EMShowerModel(G4String modelName, G4Region* envelope)
49 : G4VFastSimulationModel(modelName, envelope << 49 : G4VFastSimulationModel(modelName, envelope)
50 { 50 {
51 fFakeStep = new G4Step(); << 51 fFakeStep = new G4Step();
52 fFakePreStepPoint = fFakeStep->GetPreStepPoi << 52 fFakePreStepPoint = fFakeStep->GetPreStepPoint();
53 fFakePostStepPoint = fFakeStep->GetPostStepP 53 fFakePostStepPoint = fFakeStep->GetPostStepPoint();
54 fTouchableHandle = new G4TouchableHistory(); << 54 fTouchableHandle = new G4TouchableHistory();
55 fpNavigator = new G4Navigator(); << 55 fpNavigator = new G4Navigator();
56 fNaviSetup = false; << 56 fNaviSetup = false;
57 fCsI = nullptr; << 57 fCsI = 0;
58 } 58 }
59 59
60 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 61
62 Par01EMShowerModel::Par01EMShowerModel(G4Strin << 62 Par01EMShowerModel::Par01EMShowerModel(G4String modelName)
>> 63 : G4VFastSimulationModel(modelName)
63 { 64 {
64 fFakeStep = new G4Step(); << 65 fFakeStep = new G4Step();
65 fFakePreStepPoint = fFakeStep->GetPreStepPoi << 66 fFakePreStepPoint = fFakeStep->GetPreStepPoint();
66 fFakePostStepPoint = fFakeStep->GetPostStepP 67 fFakePostStepPoint = fFakeStep->GetPostStepPoint();
67 fTouchableHandle = new G4TouchableHistory(); << 68 fTouchableHandle = new G4TouchableHistory();
68 fpNavigator = new G4Navigator(); << 69 fpNavigator = new G4Navigator();
69 fNaviSetup = false; << 70 fNaviSetup = false;
70 fCsI = nullptr; << 71 fCsI = 0;
71 } 72 }
72 73
73 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74 75
75 Par01EMShowerModel::~Par01EMShowerModel() 76 Par01EMShowerModel::~Par01EMShowerModel()
76 { 77 {
77 delete fFakeStep; 78 delete fFakeStep;
78 delete fpNavigator; 79 delete fpNavigator;
79 } 80 }
80 81
81 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 83
83 G4bool Par01EMShowerModel::IsApplicable(const 84 G4bool Par01EMShowerModel::IsApplicable(const G4ParticleDefinition& particleType)
84 { 85 {
85 return &particleType == G4Electron::Electron << 86 return
86 || &particleType == G4Positron::Posit << 87 &particleType == G4Electron::ElectronDefinition() ||
87 || &particleType == G4Gamma::GammaDef << 88 &particleType == G4Positron::PositronDefinition() ||
>> 89 &particleType == G4Gamma::GammaDefinition();
88 } 90 }
89 91
90 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
91 93
92 G4bool Par01EMShowerModel::ModelTrigger(const 94 G4bool Par01EMShowerModel::ModelTrigger(const G4FastTrack& fastTrack)
93 { 95 {
94 // Applies the parameterisation above 100 Me 96 // Applies the parameterisation above 100 MeV:
95 return fastTrack.GetPrimaryTrack()->GetKinet << 97 return fastTrack.GetPrimaryTrack()->GetKineticEnergy() > 100*MeV;
96 } 98 }
97 99
98 //....oooOO0OOooo........oooOO0OOooo........oo 100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
99 101
100 void Par01EMShowerModel::DoIt(const G4FastTrac << 102 void Par01EMShowerModel::DoIt(const G4FastTrack& fastTrack,
>> 103 G4FastStep& fastStep)
101 { 104 {
102 // Kill the parameterised particle: 105 // Kill the parameterised particle:
103 fastStep.KillPrimaryTrack(); 106 fastStep.KillPrimaryTrack();
104 fastStep.ProposePrimaryTrackPathLength(0.0); 107 fastStep.ProposePrimaryTrackPathLength(0.0);
105 fastStep.ProposeTotalEnergyDeposited(fastTra 108 fastStep.ProposeTotalEnergyDeposited(fastTrack.GetPrimaryTrack()->GetKineticEnergy());
106 109
107 // split into "energy spots" energy accordin 110 // split into "energy spots" energy according to the shower shape:
108 Explode(fastTrack); 111 Explode(fastTrack);
109 << 112
110 // and put those energy spots into the cryst 113 // and put those energy spots into the crystals:
111 BuildDetectorResponse(); 114 BuildDetectorResponse();
>> 115
112 } 116 }
113 117
114 //....oooOO0OOooo........oooOO0OOooo........oo 118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115 119
116 void Par01EMShowerModel::Explode(const G4FastT 120 void Par01EMShowerModel::Explode(const G4FastTrack& fastTrack)
117 { 121 {
118 //------------------------------------------ 122 //-----------------------------------------------------
119 // 123 //
120 //------------------------------------------ 124 //-----------------------------------------------------
121 125
122 // Reduced quantities: 126 // Reduced quantities:
123 // -- critical energy in CsI: 127 // -- critical energy in CsI:
124 G4double Ec = 800 * MeV / (54. + 1.2); // 5 << 128 G4double Ec = 800*MeV/(54. + 1.2); // 54 = mean Z of CsI
125 G4double Energy = fastTrack.GetPrimaryTrack( 129 G4double Energy = fastTrack.GetPrimaryTrack()->GetKineticEnergy();
126 G4double y = Energy / Ec; << 130 G4double y = Energy/Ec;
127 131
128 // compute value of parameter "a" of longitu 132 // compute value of parameter "a" of longitudinal profile, b assumed = 0.5
129 G4double a, tmax, b(0.5), C; 133 G4double a, tmax, b(0.5), C;
130 if (fastTrack.GetPrimaryTrack()->GetDefiniti << 134 if (fastTrack.GetPrimaryTrack()->GetDefinition() == G4Gamma::GammaDefinition()) C = 0.5;
131 C = 0.5; << 135 else C = -0.5;
132 else <<
133 C = -0.5; <<
134 tmax = 1.0 * (std::log(y) + C); 136 tmax = 1.0 * (std::log(y) + C);
135 a = 1.0 + b * tmax; << 137 a = 1.0 + b*tmax;
136 138
137 // t : reduced quantity = z/X0: 139 // t : reduced quantity = z/X0:
138 G4double t, bt; << 140 G4double t, bt;
139 if (fCsI == nullptr) fCsI = G4NistManager::I << 141 if ( fCsI == 0 ) fCsI = G4NistManager::Instance()->FindOrBuildMaterial("G4_CESIUM_IODIDE");
140 G4double X0 = fCsI->GetRadlen(); << 142 G4double X0 = fCsI->GetRadlen();
141 // Moliere radius: 143 // Moliere radius:
142 G4double Es = 21 * MeV; << 144 G4double Es = 21*MeV;
143 G4double Rm = X0 * Es / Ec; << 145 G4double Rm = X0*Es/Ec;
144 146
145 // axis of the shower, in global reference f 147 // axis of the shower, in global reference frame:
146 G4ThreeVector xShower, yShower, zShower; 148 G4ThreeVector xShower, yShower, zShower;
147 zShower = fastTrack.GetPrimaryTrack()->GetMo 149 zShower = fastTrack.GetPrimaryTrack()->GetMomentumDirection();
148 xShower = zShower.orthogonal(); 150 xShower = zShower.orthogonal();
149 yShower = zShower.cross(xShower); 151 yShower = zShower.cross(xShower);
150 // starting point of the shower: 152 // starting point of the shower:
151 G4ThreeVector sShower = fastTrack.GetPrimary 153 G4ThreeVector sShower = fastTrack.GetPrimaryTrack()->GetPosition();
152 154
153 // We shoot 100 spots of energy: 155 // We shoot 100 spots of energy:
154 G4int nSpots = 100; << 156 G4int nSpots = 100;
155 G4double deposit = Energy / double(nSpots); << 157 G4double deposit = Energy/double(nSpots);
156 Par01EnergySpot eSpot; 158 Par01EnergySpot eSpot;
157 eSpot.SetEnergy(deposit); 159 eSpot.SetEnergy(deposit);
158 G4ThreeVector ePoint; 160 G4ThreeVector ePoint;
159 G4double z, r, phi; 161 G4double z, r, phi;
160 162
161 feSpotList.clear(); 163 feSpotList.clear();
162 for (int i = 0; i < nSpots; i++) { << 164 for (int i = 0; i < nSpots; i++)
163 // Longitudinal profile: << 165 {
164 // -- shoot z according to Gamma distribut << 166 // Longitudinal profile:
165 bt = G4RandGamma::shoot(a, 1.0); << 167 // -- shoot z according to Gamma distribution:
166 t = bt / b; << 168 bt = G4RandGamma::shoot(a,1.0);
167 z = t * X0; << 169 t = bt/b;
168 << 170 z = t*X0;
169 // transverse profile: << 171
170 // we set 90% of energy in one Rm, << 172 // transverse profile:
171 // the rest between 1 and 3.5 Rm: << 173 // we set 90% of energy in one Rm,
172 G4double xr = G4UniformRand(); << 174 // the rest between 1 and 3.5 Rm:
173 if (xr < 0.9) << 175 G4double xr = G4UniformRand();
174 r = xr / 0.9 * Rm; << 176 if (xr < 0.9) r = xr/0.9*Rm;
175 else << 177 else r = ((xr - 0.9)/0.1*2.5 + 1.0)*Rm;
176 r = ((xr - 0.9) / 0.1 * 2.5 + 1.0) * Rm; << 178 phi = G4UniformRand()*twopi;
177 phi = G4UniformRand() * twopi; << 179
178 << 180 // build the position:
179 // build the position: << 181 ePoint = sShower +
180 ePoint = sShower + z * zShower + r * std:: << 182 z*zShower +
181 << 183 r*std::cos(phi)*xShower + r*std::sin(phi)*yShower;
182 // and the energy spot: << 184
183 eSpot.SetPosition(ePoint); << 185 // and the energy spot:
184 << 186 eSpot.SetPosition(ePoint);
185 // Records the eSpot: << 187
186 feSpotList.push_back(eSpot); << 188 // Records the eSpot:
187 } << 189 feSpotList.push_back(eSpot);
>> 190 }
188 } 191 }
189 192
190 //....oooOO0OOooo........oooOO0OOooo........oo 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
191 194
192 void Par01EMShowerModel::BuildDetectorResponse 195 void Par01EMShowerModel::BuildDetectorResponse()
193 { 196 {
194 // Does the assignation of the energy spots 197 // Does the assignation of the energy spots to the sensitive volumes:
195 for (size_t i = 0; i < feSpotList.size(); i+ << 198 for (size_t i = 0; i < feSpotList.size(); i++)
196 // Draw the energy spot: << 199 {
197 // feSpotList[i].Draw(); << 200 // Draw the energy spot:
198 // feSpotList[i].Print(); << 201 // feSpotList[i].Draw();
199 << 202 // feSpotList[i].Print();
200 // "converts" the energy spot into the fak << 203
201 // G4Step to pass to sensitive detector: << 204 // "converts" the energy spot into the fake
202 AssignSpotAndCallHit(feSpotList[i]); << 205 // G4Step to pass to sensitive detector:
203 } << 206 AssignSpotAndCallHit(feSpotList[i]);
>> 207 }
204 } 208 }
205 209
206 //....oooOO0OOooo........oooOO0OOooo........oo 210 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
207 211
208 void Par01EMShowerModel::AssignSpotAndCallHit( << 212 void Par01EMShowerModel::AssignSpotAndCallHit(const Par01EnergySpot &eSpot)
209 { 213 {
210 // 214 //
211 // "converts" the energy spot into the fake 215 // "converts" the energy spot into the fake
212 // G4Step to pass to sensitive detector: 216 // G4Step to pass to sensitive detector:
213 // 217 //
214 FillFakeStep(eSpot); 218 FillFakeStep(eSpot);
215 219
216 // 220 //
217 // call sensitive part: taken/adapted from t 221 // call sensitive part: taken/adapted from the stepping:
218 // Send G4Step information to Hit/Dig if the 222 // Send G4Step information to Hit/Dig if the volume is sensitive
219 // 223 //
220 G4VPhysicalVolume* pCurrentVolume = fFakeSte << 224 G4VPhysicalVolume* pCurrentVolume =
>> 225 fFakeStep->GetPreStepPoint()->GetPhysicalVolume();
221 G4VSensitiveDetector* pSensitive; 226 G4VSensitiveDetector* pSensitive;
222 << 227
223 if (pCurrentVolume != nullptr) { << 228 if( pCurrentVolume != 0 )
224 pSensitive = pCurrentVolume->GetLogicalVol << 229 {
225 if (pSensitive != nullptr) { << 230 pSensitive = pCurrentVolume->GetLogicalVolume()->
226 pSensitive->Hit(fFakeStep); << 231 GetSensitiveDetector();
>> 232 if( pSensitive != 0 )
>> 233 {
>> 234 pSensitive->Hit(fFakeStep);
>> 235 }
227 } 236 }
228 } <<
229 } 237 }
230 238
231 //....oooOO0OOooo........oooOO0OOooo........oo 239 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
232 240
233 void Par01EMShowerModel::FillFakeStep(const Pa << 241 void Par01EMShowerModel::FillFakeStep(const Par01EnergySpot &eSpot)
234 { 242 {
235 //------------------------------------------ 243 //-----------------------------------------------------------
236 // find in which volume the spot is. 244 // find in which volume the spot is.
237 //------------------------------------------ 245 //-----------------------------------------------------------
238 if (!fNaviSetup) { << 246 if (!fNaviSetup)
239 fpNavigator->SetWorldVolume(G4Transportati << 247 {
240 ->GetNavigat << 248 fpNavigator->
241 ->GetWorldVo << 249 SetWorldVolume(G4TransportationManager::GetTransportationManager()->
242 fpNavigator->LocateGlobalPointAndUpdateTou << 250 GetNavigatorForTracking()->GetWorldVolume());
243 eSpot.GetPosition(), G4ThreeVector(0., 0 << 251 fpNavigator->
244 fNaviSetup = true; << 252 LocateGlobalPointAndUpdateTouchableHandle(eSpot.GetPosition(),
245 } << 253 G4ThreeVector(0.,0.,0.),
246 else { << 254 fTouchableHandle,
247 fpNavigator->LocateGlobalPointAndUpdateTou << 255 false);
248 eSpot.GetPosition(), G4ThreeVector(0., 0 << 256 fNaviSetup = true;
249 } << 257 }
>> 258 else
>> 259 {
>> 260 fpNavigator->
>> 261 LocateGlobalPointAndUpdateTouchableHandle(eSpot.GetPosition(),
>> 262 G4ThreeVector(0.,0.,0.),
>> 263 fTouchableHandle);
>> 264 }
250 //-------------------------------------- 265 //--------------------------------------
251 // Fills attribute of the G4Step needed 266 // Fills attribute of the G4Step needed
252 // by our sensitive detector: 267 // by our sensitive detector:
253 //------------------------------------- 268 //-------------------------------------
254 // set touchable volume at PreStepPoint: 269 // set touchable volume at PreStepPoint:
255 fFakePreStepPoint->SetTouchableHandle(fTouch 270 fFakePreStepPoint->SetTouchableHandle(fTouchableHandle);
256 // set total energy deposit: 271 // set total energy deposit:
257 fFakeStep->SetTotalEnergyDeposit(eSpot.GetEn 272 fFakeStep->SetTotalEnergyDeposit(eSpot.GetEnergy());
258 } 273 }
259 274