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>> 27 // $Id: XrayFluoPlanePrimaryGeneratorAction.cc
>> 28 // GEANT4 tag $Name:
27 // 29 //
28 // Author: Alfonso Mantero (Alfonso.Mantero@ge 30 // Author: Alfonso Mantero (Alfonso.Mantero@ge.infn.it)
29 // 31 //
30 // History: 32 // History:
31 // ----------- 33 // -----------
32 // 02 Sep 2003 Alfonso Mantero created 34 // 02 Sep 2003 Alfonso Mantero created
33 // 35 //
34 // ------------------------------------------- 36 // -------------------------------------------------------------------
35 37
36 #include "XrayFluoMercuryPrimaryGeneratorActio 38 #include "XrayFluoMercuryPrimaryGeneratorAction.hh"
>> 39 #include "G4DataVector.hh"
37 #include "XrayFluoMercuryDetectorConstruction. 40 #include "XrayFluoMercuryDetectorConstruction.hh"
38 #include "XrayFluoMercuryPrimaryGeneratorMesse 41 #include "XrayFluoMercuryPrimaryGeneratorMessenger.hh"
39 #include "XrayFluoRunAction.hh" 42 #include "XrayFluoRunAction.hh"
40 #include "XrayFluoAnalysisManager.hh" <<
41 #include "XrayFluoDataSet.hh" <<
42 #include "G4PhysicalConstants.hh" <<
43 #include "G4SystemOfUnits.hh" <<
44 #include "G4DataVector.hh" <<
45 #include "G4Event.hh" 43 #include "G4Event.hh"
46 #include "G4ParticleGun.hh" 44 #include "G4ParticleGun.hh"
47 #include "G4ParticleTable.hh" 45 #include "G4ParticleTable.hh"
48 #include "G4ParticleDefinition.hh" 46 #include "G4ParticleDefinition.hh"
49 #include "Randomize.hh" 47 #include "Randomize.hh"
>> 48 #include "XrayFluoAnalysisManager.hh"
>> 49 #include "XrayFluoDataSet.hh"
50 50
51 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
52 52
53 XrayFluoMercuryPrimaryGeneratorAction::XrayFlu << 53 XrayFluoMercuryPrimaryGeneratorAction::XrayFluoMercuryPrimaryGeneratorAction(XrayFluoMercuryDetectorConstruction* XrayFluoDC)
54 :globalFlag(false),spectrum("off") 54 :globalFlag(false),spectrum("off")
55 { 55 {
56 56
57 XrayFluoDetector = XrayFluoDC; 57 XrayFluoDetector = XrayFluoDC;
58 58
59 G4int n_particle = 1; 59 G4int n_particle = 1;
60 particleGun = new G4ParticleGun(n_particle) 60 particleGun = new G4ParticleGun(n_particle);
61 61
62 //create a messenger for this class 62 //create a messenger for this class
63 gunMessenger = new XrayFluoMercuryPrimaryGen 63 gunMessenger = new XrayFluoMercuryPrimaryGeneratorMessenger(this);
64 runManager = new XrayFluoRunAction(); 64 runManager = new XrayFluoRunAction();
65 65
66 // default particle kinematic 66 // default particle kinematic
67 67
68 G4ParticleTable* particleTable = G4ParticleT 68 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
69 G4String particleName; 69 G4String particleName;
70 G4ParticleDefinition* particle 70 G4ParticleDefinition* particle
71 = particleTable->FindParticle(particleName 71 = particleTable->FindParticle(particleName="gamma");
72 particleGun->SetParticleDefinition(particle) 72 particleGun->SetParticleDefinition(particle);
73 particleGun->SetParticleMomentumDirection(G4 73 particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,-1.));
74 74
75 75
76 particleGun->SetParticleEnergy(10.*keV); 76 particleGun->SetParticleEnergy(10.*keV);
77 G4double position = -0.5*(XrayFluoDetector-> 77 G4double position = -0.5*(XrayFluoDetector->GetWorldSizeZ());
78 particleGun->SetParticlePosition(G4ThreeVect 78 particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position));
79 79
80 G4cout << "XrayFluoMercuryPrimaryGeneratorAc 80 G4cout << "XrayFluoMercuryPrimaryGeneratorAction created" << G4endl;
81 81
82 } 82 }
83 83
84 84
85 //....oooOO0OOooo........oooOO0OOooo........oo 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
86 86
87 XrayFluoMercuryPrimaryGeneratorAction::~XrayFl 87 XrayFluoMercuryPrimaryGeneratorAction::~XrayFluoMercuryPrimaryGeneratorAction()
88 { 88 {
89 delete particleGun; 89 delete particleGun;
90 delete gunMessenger; 90 delete gunMessenger;
91 delete runManager; 91 delete runManager;
92 92
93 G4cout << "XrayFluoMercuryPrimaryGeneratorAc 93 G4cout << "XrayFluoMercuryPrimaryGeneratorAction deleted" << G4endl;
94 94
95 } 95 }
96 96
97 //....oooOO0OOooo........oooOO0OOooo........oo 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
98 98
99 void XrayFluoMercuryPrimaryGeneratorAction::Ge 99 void XrayFluoMercuryPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
100 { 100 {
101 //this function is called at the begining of 101 //this function is called at the begining of event
102 // 102 //
103 103
104 // Conidering the sunas a Poin-like source. 104 // Conidering the sunas a Poin-like source.
105 105
106 G4double z0 = -0.5*(XrayFluoDetector->GetWor 106 G4double z0 = -0.5*(XrayFluoDetector->GetWorldSizeZ());
107 G4double y0 = 0.*m, x0 = 0.*m; 107 G4double y0 = 0.*m, x0 = 0.*m;
108 108
109 109
110 // Let's try to illuminate only the prtion o 110 // Let's try to illuminate only the prtion of Mercury surface that can be seen by the detector.
111 111
112 G4double spacecraftLatitude = XrayFluoDetect 112 G4double spacecraftLatitude = XrayFluoDetector->GetOrbitInclination();
113 G4double mercuryDia = XrayFluoDetector->GetM 113 G4double mercuryDia = XrayFluoDetector->GetMercuryDia();
114 G4double sunDia = XrayFluoDetector->GetSunDi 114 G4double sunDia = XrayFluoDetector->GetSunDia();
115 G4double opticField = XrayFluoDetector->GetO 115 G4double opticField = XrayFluoDetector->GetOpticAperture();
116 116
117 117
118 G4double a = 2*std::tan(opticField/2); 118 G4double a = 2*std::tan(opticField/2);
119 119
120 // if (!pointLikeFlag) { 120 // if (!pointLikeFlag) {
121 121
122 // let's decide from wich point of the sun 122 // let's decide from wich point of the sun surface the particle is coming:
123 123
124 G4double theta = std::acos(2.*G4UniformRand( 124 G4double theta = std::acos(2.*G4UniformRand() - 1.0);
125 G4double phi = 2. * pi * G4UniformRand(); 125 G4double phi = 2. * pi * G4UniformRand();
126 G4double rho = sunDia/2; 126 G4double rho = sunDia/2;
127 127
128 G4double sunPosX = x0 + rho * std::sin(the 128 G4double sunPosX = x0 + rho * std::sin(theta) * std::cos(phi);
129 G4double sunPosY = y0 + rho * std::sin(the 129 G4double sunPosY = y0 + rho * std::sin(theta) * std::sin(phi);
130 G4double sunPosZ = z0 + rho * std::cos(the 130 G4double sunPosZ = z0 + rho * std::cos(theta);
131 131
132 particleGun->SetParticlePosition(G4ThreeVe 132 particleGun->SetParticlePosition(G4ThreeVector(sunPosX,sunPosY,sunPosZ));
133 133
134 // the angle at the center of Mercury subt 134 // the angle at the center of Mercury subtending the area seen by the optics:
135 G4double alpha = 2 * a/mercuryDia; 135 G4double alpha = 2 * a/mercuryDia;
136 136
137 if(!globalFlag){ 137 if(!globalFlag){
138 theta = alpha * G4UniformRand() + (180.* 138 theta = alpha * G4UniformRand() + (180.*deg - spacecraftLatitude)-alpha/2.;
139 phi = alpha * G4UniformRand() + 90. * de 139 phi = alpha * G4UniformRand() + 90. * deg - alpha/2.;
140 } 140 }
141 141
142 else if(globalFlag){ 142 else if(globalFlag){
143 theta = pi/2. * rad * G4UniformRand() + 143 theta = pi/2. * rad * G4UniformRand() + 90.*deg ; //was 900., probably an error
144 phi = 2*pi*rad * G4UniformRand() ; 144 phi = 2*pi*rad * G4UniformRand() ;
145 } 145 }
146 146
147 rho = mercuryDia/2.; 147 rho = mercuryDia/2.;
148 148
149 G4double mercuryPosX = rho * std::sin(thet 149 G4double mercuryPosX = rho * std::sin(theta) * std::cos(phi);
150 G4double mercuryPosY = rho * std::sin(thet 150 G4double mercuryPosY = rho * std::sin(theta) * std::sin(phi);
151 G4double mercuryPosZ = rho * std::cos(thet 151 G4double mercuryPosZ = rho * std::cos(theta);
152 152
153 particleGun->SetParticleMomentumDirection( 153 particleGun->SetParticleMomentumDirection(
154 G4ThreeVector(mercuryPosX-sunPosX ,m 154 G4ThreeVector(mercuryPosX-sunPosX ,mercuryPosY-sunPosY,mercuryPosZ-sunPosZ));
155 155
156 // } 156 // }
157 // if (pointLikeFlag) { 157 // if (pointLikeFlag) {
158 158
159 // // theta is the angle that the mean direc 159 // // theta is the angle that the mean direction of the incident light (on the desired
160 // // point of the surface of Mercury) makes 160 // // point of the surface of Mercury) makes with the Z-axis
161 // G4double theta = std::asin( mercuryDia/2. 161 // G4double theta = std::asin( mercuryDia/2. * std::sin(spacecraftLatitude) /
162 // std::sqrt(std::pow(z0,2)+std::pow(mer 162 // std::sqrt(std::pow(z0,2)+std::pow(mercuryDia/2.,2)-2*mercuryDia/2.*z0*std::cos(spacecraftLatitude)) );
163 163
164 // // on the y axis, the light emitted from 164 // // on the y axis, the light emitted from the Sun must be in [theta-phi;theta+phi]
165 // G4double phi = std::asin( mercuryDia/2.*s 165 // G4double phi = std::asin( mercuryDia/2.*std::sin(spacecraftLatitude) + a*std::cos(spacecraftLatitude) /
166 // std::sqrt( std::pow(mercuryDia/2. 166 // std::sqrt( std::pow(mercuryDia/2.*std::sin(spacecraftLatitude) + a*std::cos(spacecraftLatitude) , 2) +
167 // std::pow(z0 - mercuryDia/2.*std:: 167 // std::pow(z0 - mercuryDia/2.*std::cos(spacecraftLatitude) - a*std::sin(spacecraftLatitude) , 2)) )
168 // - theta; 168 // - theta;
169 169
170 // // on the x axis, the light emitted from 170 // // on the x axis, the light emitted from the Sun must be in [-zeta;zeta]
171 // G4double zeta = std::atan( a/std::sqrt(st 171 // G4double zeta = std::atan( a/std::sqrt(std::pow(z0,2)+std::pow(mercuryDia,2)-2*mercuryDia*z0*std::cos(spacecraftLatitude)) );
172 172
173 173
174 174
175 // //alpha in [-zeta;zeta] 175 // //alpha in [-zeta;zeta]
176 // G4double alpha = (2*zeta)*G4UniformRand() 176 // G4double alpha = (2*zeta)*G4UniformRand() - zeta;
177 // //beta in [theta-phi;theta+phi] 177 // //beta in [theta-phi;theta+phi]
178 // G4double beta = (G4UniformRand()*2*phi) - 178 // G4double beta = (G4UniformRand()*2*phi) - phi + theta;
179 179
180 // G4double dirY = std::sin(beta); 180 // G4double dirY = std::sin(beta);
181 // G4double dirX = std::sin(alpha); 181 // G4double dirX = std::sin(alpha);
182 182
183 // particleGun->SetParticleMomentumDirection 183 // particleGun->SetParticleMomentumDirection(G4ThreeVector(dirX.,dirY,1.));
184 184
185 // particleGun->SetParticlePosition(G4ThreeV 185 // particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
186 186
187 // } 187 // }
188 188
189 189
190 190
191 //shoot particles according to a certain spe 191 //shoot particles according to a certain spectrum
192 if (spectrum =="on") 192 if (spectrum =="on")
193 { 193 {
194 G4String particle = particleGun->GetPar 194 G4String particle = particleGun->GetParticleDefinition()
195 ->GetParticleName(); 195 ->GetParticleName();
196 if(particle == "proton"|| particle == "a 196 if(particle == "proton"|| particle == "alpha")
197 { 197 {
198 G4DataVector* energies = runManager->GetE 198 G4DataVector* energies = runManager->GetEnergies();
199 G4DataVector* data = runManager->GetData( 199 G4DataVector* data = runManager->GetData();
200 200
201 G4double sum = runManager->GetDataSum(); 201 G4double sum = runManager->GetDataSum();
202 G4double partSum = 0; 202 G4double partSum = 0;
203 G4int j = 0; 203 G4int j = 0;
204 G4double random= sum*G4UniformRand(); 204 G4double random= sum*G4UniformRand();
205 while (partSum<random) 205 while (partSum<random)
206 { 206 {
207 partSum += (*data)[j]; 207 partSum += (*data)[j];
208 j++; 208 j++;
209 } 209 }
210 210
211 particleGun->SetParticleEnergy((*energies) 211 particleGun->SetParticleEnergy((*energies)[j]);
212 212
213 } 213 }
214 else if (particle == "gamma") 214 else if (particle == "gamma")
215 { 215 {
216 const XrayFluoDataSet* dataSet = runManage 216 const XrayFluoDataSet* dataSet = runManager->GetGammaSet();
217 217
218 G4int i = 0; 218 G4int i = 0;
219 G4int id = 0; 219 G4int id = 0;
220 G4double minEnergy = 0. * keV; 220 G4double minEnergy = 0. * keV;
221 G4double particleEnergy= 0.; 221 G4double particleEnergy= 0.;
222 G4double maxEnergy = 10. * keV; 222 G4double maxEnergy = 10. * keV;
223 G4double energyRange = maxEnergy - minEner 223 G4double energyRange = maxEnergy - minEnergy;
224 224
225 while ( i == 0) 225 while ( i == 0)
226 { 226 {
227 G4double random = G4UniformRand(); 227 G4double random = G4UniformRand();
228 228
229 G4double randomNum = G4UniformRand(); 229 G4double randomNum = G4UniformRand(); //*5.0E6;
230 230
231 particleEnergy = (random*energyRange) 231 particleEnergy = (random*energyRange) + minEnergy;
232 232
233 if ((dataSet->FindValue(particleEnergy 233 if ((dataSet->FindValue(particleEnergy,id)) > randomNum)
234 { 234 {
235 i = 1; 235 i = 1;
236 236
237 } 237 }
238 } 238 }
239 particleGun->SetParticleEnergy(particleEn 239 particleGun->SetParticleEnergy(particleEnergy);
240 } 240 }
241 } 241 }
242 242
243 243
244 #ifdef G4ANALYSIS_USE 244 #ifdef G4ANALYSIS_USE
245 245
246 G4double partEnergy = particleGun->GetPartic 246 G4double partEnergy = particleGun->GetParticleEnergy();
247 XrayFluoAnalysisManager* analysis = XrayFlu 247 XrayFluoAnalysisManager* analysis = XrayFluoAnalysisManager::getInstance();
248 analysis->analysePrimaryGenerator(partEnergy 248 analysis->analysePrimaryGenerator(partEnergy/keV);
249 249
250 #endif 250 #endif
251 251
252 particleGun->GeneratePrimaryVertex(anEvent); 252 particleGun->GeneratePrimaryVertex(anEvent);
253 } 253 }
254 254
255 //....oooOO0OOooo........oooOO0OOooo........oo 255 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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