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25 // 25 //
26 /// \file Par01/src/Par01EMShowerModel.cc <<
27 /// \brief Implementation of the Par01EMShower <<
28 // <<
29 // 26 //
>> 27 // $Id: Par01EMShowerModel.cc 77940 2013-11-29 15:15:17Z gcosmo $
30 // 28 //
31 #include "Par01EMShowerModel.hh" 29 #include "Par01EMShowerModel.hh"
32 <<
33 #include "Par01EnergySpot.hh" 30 #include "Par01EnergySpot.hh"
34 31
>> 32 #include "Randomize.hh"
>> 33
35 #include "G4Electron.hh" 34 #include "G4Electron.hh"
36 #include "G4Gamma.hh" <<
37 #include "G4NistManager.hh" <<
38 #include "G4PhysicalConstants.hh" <<
39 #include "G4Positron.hh" 35 #include "G4Positron.hh"
40 #include "G4SystemOfUnits.hh" << 36 #include "G4Gamma.hh"
41 #include "G4TouchableHandle.hh" <<
42 #include "G4TransportationManager.hh" 37 #include "G4TransportationManager.hh"
43 #include "G4VSensitiveDetector.hh" 38 #include "G4VSensitiveDetector.hh"
44 #include "Randomize.hh" << 39 #include "G4TouchableHandle.hh"
45 << 40 #include "G4PhysicalConstants.hh"
46 //....oooOO0OOooo........oooOO0OOooo........oo << 41 #include "G4SystemOfUnits.hh"
>> 42 #include "G4NistManager.hh"
47 43
48 Par01EMShowerModel::Par01EMShowerModel(G4Strin 44 Par01EMShowerModel::Par01EMShowerModel(G4String modelName, G4Region* envelope)
49 : G4VFastSimulationModel(modelName, envelope << 45 : G4VFastSimulationModel(modelName, envelope)
50 { 46 {
51 fFakeStep = new G4Step(); << 47 fFakeStep = new G4Step();
52 fFakePreStepPoint = fFakeStep->GetPreStepPoi << 48 fFakePreStepPoint = fFakeStep->GetPreStepPoint();
53 fFakePostStepPoint = fFakeStep->GetPostStepP 49 fFakePostStepPoint = fFakeStep->GetPostStepPoint();
54 fTouchableHandle = new G4TouchableHistory(); << 50 fTouchableHandle = new G4TouchableHistory();
55 fpNavigator = new G4Navigator(); << 51 fpNavigator = new G4Navigator();
56 fNaviSetup = false; << 52 fNaviSetup = false;
57 fCsI = nullptr; << 53 fCsI = 0;
58 } 54 }
59 55
60 //....oooOO0OOooo........oooOO0OOooo........oo << 56 Par01EMShowerModel::Par01EMShowerModel(G4String modelName)
61 << 57 : G4VFastSimulationModel(modelName)
62 Par01EMShowerModel::Par01EMShowerModel(G4Strin <<
63 { 58 {
64 fFakeStep = new G4Step(); << 59 fFakeStep = new G4Step();
65 fFakePreStepPoint = fFakeStep->GetPreStepPoi << 60 fFakePreStepPoint = fFakeStep->GetPreStepPoint();
66 fFakePostStepPoint = fFakeStep->GetPostStepP 61 fFakePostStepPoint = fFakeStep->GetPostStepPoint();
67 fTouchableHandle = new G4TouchableHistory(); << 62 fTouchableHandle = new G4TouchableHistory();
68 fpNavigator = new G4Navigator(); << 63 fpNavigator = new G4Navigator();
69 fNaviSetup = false; << 64 fNaviSetup = false;
70 fCsI = nullptr; << 65 fCsI = 0;
71 } 66 }
72 67
73 //....oooOO0OOooo........oooOO0OOooo........oo <<
74 <<
75 Par01EMShowerModel::~Par01EMShowerModel() 68 Par01EMShowerModel::~Par01EMShowerModel()
76 { 69 {
77 delete fFakeStep; 70 delete fFakeStep;
78 delete fpNavigator; 71 delete fpNavigator;
79 } 72 }
80 73
81 //....oooOO0OOooo........oooOO0OOooo........oo <<
82 <<
83 G4bool Par01EMShowerModel::IsApplicable(const 74 G4bool Par01EMShowerModel::IsApplicable(const G4ParticleDefinition& particleType)
84 { 75 {
85 return &particleType == G4Electron::Electron << 76 return
86 || &particleType == G4Positron::Posit << 77 &particleType == G4Electron::ElectronDefinition() ||
87 || &particleType == G4Gamma::GammaDef << 78 &particleType == G4Positron::PositronDefinition() ||
>> 79 &particleType == G4Gamma::GammaDefinition();
88 } 80 }
89 81
90 //....oooOO0OOooo........oooOO0OOooo........oo <<
91 <<
92 G4bool Par01EMShowerModel::ModelTrigger(const 82 G4bool Par01EMShowerModel::ModelTrigger(const G4FastTrack& fastTrack)
93 { 83 {
94 // Applies the parameterisation above 100 Me 84 // Applies the parameterisation above 100 MeV:
95 return fastTrack.GetPrimaryTrack()->GetKinet << 85 return fastTrack.GetPrimaryTrack()->GetKineticEnergy() > 100*MeV;
96 } 86 }
97 87
98 //....oooOO0OOooo........oooOO0OOooo........oo << 88 void Par01EMShowerModel::DoIt(const G4FastTrack& fastTrack,
99 << 89 G4FastStep& fastStep)
100 void Par01EMShowerModel::DoIt(const G4FastTrac <<
101 { 90 {
102 // Kill the parameterised particle: 91 // Kill the parameterised particle:
103 fastStep.KillPrimaryTrack(); 92 fastStep.KillPrimaryTrack();
104 fastStep.ProposePrimaryTrackPathLength(0.0); 93 fastStep.ProposePrimaryTrackPathLength(0.0);
105 fastStep.ProposeTotalEnergyDeposited(fastTra 94 fastStep.ProposeTotalEnergyDeposited(fastTrack.GetPrimaryTrack()->GetKineticEnergy());
106 95
107 // split into "energy spots" energy accordin 96 // split into "energy spots" energy according to the shower shape:
108 Explode(fastTrack); 97 Explode(fastTrack);
109 << 98
110 // and put those energy spots into the cryst 99 // and put those energy spots into the crystals:
111 BuildDetectorResponse(); 100 BuildDetectorResponse();
>> 101
112 } 102 }
113 103
114 //....oooOO0OOooo........oooOO0OOooo........oo <<
115 <<
116 void Par01EMShowerModel::Explode(const G4FastT 104 void Par01EMShowerModel::Explode(const G4FastTrack& fastTrack)
117 { 105 {
118 //------------------------------------------ 106 //-----------------------------------------------------
119 // 107 //
120 //------------------------------------------ 108 //-----------------------------------------------------
121 109
122 // Reduced quantities: 110 // Reduced quantities:
123 // -- critical energy in CsI: 111 // -- critical energy in CsI:
124 G4double Ec = 800 * MeV / (54. + 1.2); // 5 << 112 G4double Ec = 800*MeV/(54. + 1.2); // 54 = mean Z of CsI
125 G4double Energy = fastTrack.GetPrimaryTrack( 113 G4double Energy = fastTrack.GetPrimaryTrack()->GetKineticEnergy();
126 G4double y = Energy / Ec; << 114 G4double y = Energy/Ec;
127 115
128 // compute value of parameter "a" of longitu 116 // compute value of parameter "a" of longitudinal profile, b assumed = 0.5
129 G4double a, tmax, b(0.5), C; 117 G4double a, tmax, b(0.5), C;
130 if (fastTrack.GetPrimaryTrack()->GetDefiniti << 118 if (fastTrack.GetPrimaryTrack()->GetDefinition() == G4Gamma::GammaDefinition()) C = 0.5;
131 C = 0.5; << 119 else C = -0.5;
132 else <<
133 C = -0.5; <<
134 tmax = 1.0 * (std::log(y) + C); 120 tmax = 1.0 * (std::log(y) + C);
135 a = 1.0 + b * tmax; << 121 a = 1.0 + b*tmax;
136 122
137 // t : reduced quantity = z/X0: 123 // t : reduced quantity = z/X0:
138 G4double t, bt; << 124 G4double t, bt;
139 if (fCsI == nullptr) fCsI = G4NistManager::I << 125 if ( fCsI == 0 ) fCsI = G4NistManager::Instance()->FindOrBuildMaterial("G4_CESIUM_IODIDE");
140 G4double X0 = fCsI->GetRadlen(); << 126 G4double X0 = fCsI->GetRadlen();
141 // Moliere radius: 127 // Moliere radius:
142 G4double Es = 21 * MeV; << 128 G4double Es = 21*MeV;
143 G4double Rm = X0 * Es / Ec; << 129 G4double Rm = X0*Es/Ec;
144 130
145 // axis of the shower, in global reference f 131 // axis of the shower, in global reference frame:
146 G4ThreeVector xShower, yShower, zShower; 132 G4ThreeVector xShower, yShower, zShower;
147 zShower = fastTrack.GetPrimaryTrack()->GetMo 133 zShower = fastTrack.GetPrimaryTrack()->GetMomentumDirection();
148 xShower = zShower.orthogonal(); 134 xShower = zShower.orthogonal();
149 yShower = zShower.cross(xShower); 135 yShower = zShower.cross(xShower);
150 // starting point of the shower: 136 // starting point of the shower:
151 G4ThreeVector sShower = fastTrack.GetPrimary 137 G4ThreeVector sShower = fastTrack.GetPrimaryTrack()->GetPosition();
152 138
153 // We shoot 100 spots of energy: 139 // We shoot 100 spots of energy:
154 G4int nSpots = 100; << 140 G4int nSpots = 100;
155 G4double deposit = Energy / double(nSpots); << 141 G4double deposit = Energy/double(nSpots);
156 Par01EnergySpot eSpot; 142 Par01EnergySpot eSpot;
157 eSpot.SetEnergy(deposit); 143 eSpot.SetEnergy(deposit);
158 G4ThreeVector ePoint; 144 G4ThreeVector ePoint;
159 G4double z, r, phi; 145 G4double z, r, phi;
160 146
161 feSpotList.clear(); 147 feSpotList.clear();
162 for (int i = 0; i < nSpots; i++) { << 148 for (int i = 0; i < nSpots; i++)
163 // Longitudinal profile: << 149 {
164 // -- shoot z according to Gamma distribut << 150 // Longitudinal profile:
165 bt = G4RandGamma::shoot(a, 1.0); << 151 // -- shoot z according to Gamma distribution:
166 t = bt / b; << 152 bt = G4RandGamma::shoot(a,1.0);
167 z = t * X0; << 153 t = bt/b;
168 << 154 z = t*X0;
169 // transverse profile: << 155
170 // we set 90% of energy in one Rm, << 156 // transverse profile:
171 // the rest between 1 and 3.5 Rm: << 157 // we set 90% of energy in one Rm,
172 G4double xr = G4UniformRand(); << 158 // the rest between 1 and 3.5 Rm:
173 if (xr < 0.9) << 159 G4double xr = G4UniformRand();
174 r = xr / 0.9 * Rm; << 160 if (xr < 0.9) r = xr/0.9*Rm;
175 else << 161 else r = ((xr - 0.9)/0.1*2.5 + 1.0)*Rm;
176 r = ((xr - 0.9) / 0.1 * 2.5 + 1.0) * Rm; << 162 phi = G4UniformRand()*twopi;
177 phi = G4UniformRand() * twopi; << 163
178 << 164 // build the position:
179 // build the position: << 165 ePoint = sShower +
180 ePoint = sShower + z * zShower + r * std:: << 166 z*zShower +
181 << 167 r*std::cos(phi)*xShower + r*std::sin(phi)*yShower;
182 // and the energy spot: << 168
183 eSpot.SetPosition(ePoint); << 169 // and the energy spot:
184 << 170 eSpot.SetPosition(ePoint);
185 // Records the eSpot: << 171
186 feSpotList.push_back(eSpot); << 172 // Records the eSpot:
187 } << 173 feSpotList.push_back(eSpot);
>> 174 }
188 } 175 }
189 176
190 //....oooOO0OOooo........oooOO0OOooo........oo <<
191 177
192 void Par01EMShowerModel::BuildDetectorResponse 178 void Par01EMShowerModel::BuildDetectorResponse()
193 { 179 {
194 // Does the assignation of the energy spots 180 // Does the assignation of the energy spots to the sensitive volumes:
195 for (size_t i = 0; i < feSpotList.size(); i+ << 181 for (size_t i = 0; i < feSpotList.size(); i++)
196 // Draw the energy spot: << 182 {
197 // feSpotList[i].Draw(); << 183 // Draw the energy spot:
198 // feSpotList[i].Print(); << 184 feSpotList[i].Draw();
199 << 185 // feSpotList[i].Print();
200 // "converts" the energy spot into the fak << 186
201 // G4Step to pass to sensitive detector: << 187 // "converts" the energy spot into the fake
202 AssignSpotAndCallHit(feSpotList[i]); << 188 // G4Step to pass to sensitive detector:
203 } << 189 AssignSpotAndCallHit(feSpotList[i]);
>> 190 }
204 } 191 }
205 192
206 //....oooOO0OOooo........oooOO0OOooo........oo <<
207 193
208 void Par01EMShowerModel::AssignSpotAndCallHit( << 194 void Par01EMShowerModel::AssignSpotAndCallHit(const Par01EnergySpot &eSpot)
209 { 195 {
210 // 196 //
211 // "converts" the energy spot into the fake 197 // "converts" the energy spot into the fake
212 // G4Step to pass to sensitive detector: 198 // G4Step to pass to sensitive detector:
213 // 199 //
214 FillFakeStep(eSpot); 200 FillFakeStep(eSpot);
215 201
216 // 202 //
217 // call sensitive part: taken/adapted from t 203 // call sensitive part: taken/adapted from the stepping:
218 // Send G4Step information to Hit/Dig if the 204 // Send G4Step information to Hit/Dig if the volume is sensitive
219 // 205 //
220 G4VPhysicalVolume* pCurrentVolume = fFakeSte << 206 G4VPhysicalVolume* pCurrentVolume =
>> 207 fFakeStep->GetPreStepPoint()->GetPhysicalVolume();
221 G4VSensitiveDetector* pSensitive; 208 G4VSensitiveDetector* pSensitive;
222 << 209
223 if (pCurrentVolume != nullptr) { << 210 if( pCurrentVolume != 0 )
224 pSensitive = pCurrentVolume->GetLogicalVol << 211 {
225 if (pSensitive != nullptr) { << 212 pSensitive = pCurrentVolume->GetLogicalVolume()->
226 pSensitive->Hit(fFakeStep); << 213 GetSensitiveDetector();
>> 214 if( pSensitive != 0 )
>> 215 {
>> 216 pSensitive->Hit(fFakeStep);
>> 217 }
227 } 218 }
228 } <<
229 } 219 }
230 220
231 //....oooOO0OOooo........oooOO0OOooo........oo <<
232 221
233 void Par01EMShowerModel::FillFakeStep(const Pa << 222 void Par01EMShowerModel::FillFakeStep(const Par01EnergySpot &eSpot)
234 { 223 {
235 //------------------------------------------ 224 //-----------------------------------------------------------
236 // find in which volume the spot is. 225 // find in which volume the spot is.
237 //------------------------------------------ 226 //-----------------------------------------------------------
238 if (!fNaviSetup) { << 227 if (!fNaviSetup)
239 fpNavigator->SetWorldVolume(G4Transportati << 228 {
240 ->GetNavigat << 229 fpNavigator->
241 ->GetWorldVo << 230 SetWorldVolume(G4TransportationManager::GetTransportationManager()->
242 fpNavigator->LocateGlobalPointAndUpdateTou << 231 GetNavigatorForTracking()->GetWorldVolume());
243 eSpot.GetPosition(), G4ThreeVector(0., 0 << 232 fpNavigator->
244 fNaviSetup = true; << 233 LocateGlobalPointAndUpdateTouchableHandle(eSpot.GetPosition(),
245 } << 234 G4ThreeVector(0.,0.,0.),
246 else { << 235 fTouchableHandle,
247 fpNavigator->LocateGlobalPointAndUpdateTou << 236 false);
248 eSpot.GetPosition(), G4ThreeVector(0., 0 << 237 fNaviSetup = true;
249 } << 238 }
>> 239 else
>> 240 {
>> 241 fpNavigator->
>> 242 LocateGlobalPointAndUpdateTouchableHandle(eSpot.GetPosition(),
>> 243 G4ThreeVector(0.,0.,0.),
>> 244 fTouchableHandle);
>> 245 }
250 //-------------------------------------- 246 //--------------------------------------
251 // Fills attribute of the G4Step needed 247 // Fills attribute of the G4Step needed
252 // by our sensitive detector: 248 // by our sensitive detector:
253 //------------------------------------- 249 //-------------------------------------
254 // set touchable volume at PreStepPoint: 250 // set touchable volume at PreStepPoint:
255 fFakePreStepPoint->SetTouchableHandle(fTouch 251 fFakePreStepPoint->SetTouchableHandle(fTouchableHandle);
256 // set total energy deposit: 252 // set total energy deposit:
257 fFakeStep->SetTotalEnergyDeposit(eSpot.GetEn 253 fFakeStep->SetTotalEnergyDeposit(eSpot.GetEnergy());
258 } 254 }
259 255