1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | /////////////////////////////////////////////////////////////////////////////// |
---|
27 | // |
---|
28 | // MODULE: G4SPSAngDistribution.cc |
---|
29 | // |
---|
30 | // Version: 1.0 |
---|
31 | // Date: 5/02/04 |
---|
32 | // Author: Fan Lei |
---|
33 | // Organisation: QinetiQ ltd. |
---|
34 | // Customer: ESA/ESTEC |
---|
35 | // |
---|
36 | /////////////////////////////////////////////////////////////////////////////// |
---|
37 | // |
---|
38 | // |
---|
39 | // CHANGE HISTORY |
---|
40 | // -------------- |
---|
41 | // |
---|
42 | // |
---|
43 | // Version 1.0, 05/02/2004, Fan Lei, Created. |
---|
44 | // Based on the G4GeneralParticleSource class in Geant4 v6.0 |
---|
45 | // |
---|
46 | /////////////////////////////////////////////////////////////////////////////// |
---|
47 | // |
---|
48 | #include "Randomize.hh" |
---|
49 | #include "G4SPSAngDistribution.hh" |
---|
50 | |
---|
51 | G4SPSAngDistribution::G4SPSAngDistribution() |
---|
52 | { |
---|
53 | // Angular distribution Variables |
---|
54 | G4ThreeVector zero; |
---|
55 | particle_momentum_direction = G4ParticleMomentum(0,0,-1); |
---|
56 | |
---|
57 | AngDistType = "planar"; |
---|
58 | AngRef1 = CLHEP::HepXHat; |
---|
59 | AngRef2 = CLHEP::HepYHat; |
---|
60 | AngRef3 = CLHEP::HepZHat; |
---|
61 | MinTheta = 0.; |
---|
62 | MaxTheta = pi; |
---|
63 | MinPhi = 0.; |
---|
64 | MaxPhi = twopi; |
---|
65 | DR = 0.; |
---|
66 | DX = 0.; |
---|
67 | DY = 0.; |
---|
68 | FocusPoint = G4ThreeVector(0., 0., 0.); |
---|
69 | UserDistType = "NULL"; |
---|
70 | UserWRTSurface = true; |
---|
71 | UserAngRef = false; |
---|
72 | IPDFThetaExist = false; |
---|
73 | IPDFPhiExist = false; |
---|
74 | verbosityLevel = 0 ; |
---|
75 | } |
---|
76 | |
---|
77 | G4SPSAngDistribution::~G4SPSAngDistribution() |
---|
78 | {} |
---|
79 | |
---|
80 | // |
---|
81 | void G4SPSAngDistribution::SetAngDistType(G4String atype) |
---|
82 | { |
---|
83 | if(atype != "iso" && atype != "cos" && atype != "user" && atype != "planar" |
---|
84 | && atype != "beam1d" && atype != "beam2d" && atype != "focused") |
---|
85 | G4cout << "Error, distribution must be iso, cos, planar, beam1d, beam2d, focused or user" << G4endl; |
---|
86 | else |
---|
87 | AngDistType = atype; |
---|
88 | if (AngDistType == "cos") MaxTheta = pi/2. ; |
---|
89 | if (AngDistType == "user") { |
---|
90 | UDefThetaH = IPDFThetaH = ZeroPhysVector ; |
---|
91 | IPDFThetaExist = false ; |
---|
92 | UDefPhiH = IPDFPhiH = ZeroPhysVector ; |
---|
93 | IPDFPhiExist = false ; |
---|
94 | } |
---|
95 | } |
---|
96 | |
---|
97 | void G4SPSAngDistribution::DefineAngRefAxes(G4String refname, G4ThreeVector ref) |
---|
98 | { |
---|
99 | if(refname == "angref1") |
---|
100 | AngRef1 = ref.unit(); // x' |
---|
101 | else if(refname == "angref2") |
---|
102 | AngRef2 = ref.unit(); // vector in x'y' plane |
---|
103 | |
---|
104 | // User defines x' (AngRef1) and a vector in the x'y' |
---|
105 | // plane (AngRef2). Then, AngRef1 x AngRef2 = AngRef3 |
---|
106 | // the z' vector. Then, AngRef3 x AngRef1 = AngRef2 |
---|
107 | // which will now be y'. |
---|
108 | |
---|
109 | AngRef3 = AngRef1.cross(AngRef2); // z' |
---|
110 | AngRef2 = AngRef3.cross(AngRef1); // y' |
---|
111 | UserAngRef = true ; |
---|
112 | if(verbosityLevel == 2) |
---|
113 | { |
---|
114 | G4cout << "Angular distribution rotation axes " << AngRef1 << " " << AngRef2 << " " << AngRef3 << G4endl; |
---|
115 | } |
---|
116 | } |
---|
117 | |
---|
118 | void G4SPSAngDistribution::SetMinTheta(G4double mint) |
---|
119 | { |
---|
120 | MinTheta = mint; |
---|
121 | } |
---|
122 | |
---|
123 | void G4SPSAngDistribution::SetMinPhi(G4double minp) |
---|
124 | { |
---|
125 | MinPhi = minp; |
---|
126 | } |
---|
127 | |
---|
128 | void G4SPSAngDistribution::SetMaxTheta(G4double maxt) |
---|
129 | { |
---|
130 | MaxTheta = maxt; |
---|
131 | } |
---|
132 | |
---|
133 | void G4SPSAngDistribution::SetMaxPhi(G4double maxp) |
---|
134 | { |
---|
135 | MaxPhi = maxp; |
---|
136 | } |
---|
137 | |
---|
138 | void G4SPSAngDistribution::SetBeamSigmaInAngR(G4double r) |
---|
139 | { |
---|
140 | DR = r; |
---|
141 | } |
---|
142 | |
---|
143 | void G4SPSAngDistribution::SetBeamSigmaInAngX(G4double r) |
---|
144 | { |
---|
145 | DX = r; |
---|
146 | } |
---|
147 | |
---|
148 | void G4SPSAngDistribution::SetBeamSigmaInAngY(G4double r) |
---|
149 | { |
---|
150 | DY = r; |
---|
151 | } |
---|
152 | |
---|
153 | void G4SPSAngDistribution::UserDefAngTheta(G4ThreeVector input) |
---|
154 | { |
---|
155 | if(UserDistType == "NULL") UserDistType = "theta"; |
---|
156 | if(UserDistType == "phi") UserDistType = "both"; |
---|
157 | G4double thi, val; |
---|
158 | thi = input.x(); |
---|
159 | val = input.y(); |
---|
160 | if(verbosityLevel >= 1) |
---|
161 | G4cout << "In UserDefAngTheta" << G4endl; |
---|
162 | UDefThetaH.InsertValues(thi, val); |
---|
163 | } |
---|
164 | |
---|
165 | void G4SPSAngDistribution::UserDefAngPhi(G4ThreeVector input) |
---|
166 | { |
---|
167 | if(UserDistType == "NULL") UserDistType = "phi"; |
---|
168 | if(UserDistType == "theta") UserDistType = "both"; |
---|
169 | G4double phhi, val; |
---|
170 | phhi = input.x(); |
---|
171 | val = input.y(); |
---|
172 | if(verbosityLevel >= 1) |
---|
173 | G4cout << "In UserDefAngPhi" << G4endl; |
---|
174 | UDefPhiH.InsertValues(phhi, val); |
---|
175 | } |
---|
176 | |
---|
177 | void G4SPSAngDistribution::SetFocusPoint(G4ThreeVector input) |
---|
178 | { |
---|
179 | FocusPoint = input; |
---|
180 | } |
---|
181 | |
---|
182 | void G4SPSAngDistribution::SetUserWRTSurface(G4bool wrtSurf) |
---|
183 | { |
---|
184 | // This is only applied in user mode? |
---|
185 | // if UserWRTSurface = true then the user wants momenta with respect |
---|
186 | // to the surface normals. |
---|
187 | // When doing this theta has to be 0-90 only otherwise there will be |
---|
188 | // errors, which currently are flagged anywhere. |
---|
189 | UserWRTSurface = wrtSurf; |
---|
190 | } |
---|
191 | |
---|
192 | void G4SPSAngDistribution::SetUseUserAngAxis(G4bool userang) |
---|
193 | { |
---|
194 | // if UserAngRef = true the angular distribution is defined wrt |
---|
195 | // the user defined co-ordinates |
---|
196 | UserAngRef = userang; |
---|
197 | } |
---|
198 | |
---|
199 | void G4SPSAngDistribution::GenerateBeamFlux() |
---|
200 | { |
---|
201 | G4double theta, phi; |
---|
202 | G4double px, py, pz; |
---|
203 | if (AngDistType == "beam1d") |
---|
204 | { |
---|
205 | theta = G4RandGauss::shoot(0.0,DR); |
---|
206 | phi = twopi * G4UniformRand(); |
---|
207 | } |
---|
208 | else |
---|
209 | { |
---|
210 | px = G4RandGauss::shoot(0.0,DX); |
---|
211 | py = G4RandGauss::shoot(0.0,DY); |
---|
212 | theta = std::sqrt (px*px + py*py); |
---|
213 | if (theta != 0.) { |
---|
214 | phi = std::acos(px/theta); |
---|
215 | if ( py < 0.) phi = -phi; |
---|
216 | } |
---|
217 | else |
---|
218 | { |
---|
219 | phi = 0.0; |
---|
220 | } |
---|
221 | } |
---|
222 | px = -std::sin(theta) * std::cos(phi); |
---|
223 | py = -std::sin(theta) * std::sin(phi); |
---|
224 | pz = -std::cos(theta); |
---|
225 | G4double finx, finy, finz ; |
---|
226 | finx = px, finy =py, finz =pz; |
---|
227 | if (UserAngRef){ |
---|
228 | // Apply Angular Rotation Matrix |
---|
229 | // x * AngRef1, y * AngRef2 and z * AngRef3 |
---|
230 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
231 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
232 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
233 | G4double ResMag = std::sqrt((finx*finx) + (finy*finy) + (finz*finz)); |
---|
234 | finx = finx/ResMag; |
---|
235 | finy = finy/ResMag; |
---|
236 | finz = finz/ResMag; |
---|
237 | } |
---|
238 | particle_momentum_direction.setX(finx); |
---|
239 | particle_momentum_direction.setY(finy); |
---|
240 | particle_momentum_direction.setZ(finz); |
---|
241 | |
---|
242 | // particle_momentum_direction now holds unit momentum vector. |
---|
243 | if(verbosityLevel >= 1) |
---|
244 | G4cout << "Generating beam vector: " << particle_momentum_direction << G4endl; |
---|
245 | } |
---|
246 | |
---|
247 | void G4SPSAngDistribution::GenerateFocusedFlux() |
---|
248 | { |
---|
249 | particle_momentum_direction = (FocusPoint - posDist->particle_position).unit(); |
---|
250 | // |
---|
251 | // particle_momentum_direction now holds unit momentum vector. |
---|
252 | if(verbosityLevel >= 1) |
---|
253 | G4cout << "Generating focused vector: " << particle_momentum_direction << G4endl; |
---|
254 | } |
---|
255 | |
---|
256 | void G4SPSAngDistribution::GenerateIsotropicFlux() |
---|
257 | { |
---|
258 | // generates isotropic flux. |
---|
259 | // No vectors are needed. |
---|
260 | G4double rndm, rndm2; |
---|
261 | G4double px, py, pz; |
---|
262 | |
---|
263 | // |
---|
264 | G4double sintheta, sinphi,costheta,cosphi; |
---|
265 | rndm = angRndm->GenRandTheta(); |
---|
266 | costheta = std::cos(MinTheta) - rndm * (std::cos(MinTheta) - std::cos(MaxTheta)); |
---|
267 | sintheta = std::sqrt(1. - costheta*costheta); |
---|
268 | |
---|
269 | rndm2 = angRndm->GenRandPhi(); |
---|
270 | Phi = MinPhi + (MaxPhi - MinPhi) * rndm2; |
---|
271 | sinphi = std::sin(Phi); |
---|
272 | cosphi = std::cos(Phi); |
---|
273 | |
---|
274 | px = -sintheta * cosphi; |
---|
275 | py = -sintheta * sinphi; |
---|
276 | pz = -costheta; |
---|
277 | |
---|
278 | // for volume and ponit source use mother or user defined co-ordinates |
---|
279 | // for plane and surface source user surface-normal or userdefined co-ordinates |
---|
280 | // |
---|
281 | G4double finx, finy, finz; |
---|
282 | if (posDist->SourcePosType == "Point" || posDist->SourcePosType == "Volume") { |
---|
283 | if (UserAngRef){ |
---|
284 | // Apply Rotation Matrix |
---|
285 | // x * AngRef1, y * AngRef2 and z * AngRef3 |
---|
286 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
287 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
288 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
289 | } else { |
---|
290 | finx = px; |
---|
291 | finy = py; |
---|
292 | finz = pz; |
---|
293 | } |
---|
294 | } else { // for plane and surface source |
---|
295 | if (UserAngRef){ |
---|
296 | // Apply Rotation Matrix |
---|
297 | // x * AngRef1, y * AngRef2 and z * AngRef3 |
---|
298 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
299 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
300 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
301 | } else { |
---|
302 | finx = (px*posDist->SideRefVec1.x()) + (py*posDist->SideRefVec2.x()) + (pz*posDist->SideRefVec3.x()); |
---|
303 | finy = (px*posDist->SideRefVec1.y()) + (py*posDist->SideRefVec2.y()) + (pz*posDist->SideRefVec3.y()); |
---|
304 | finz = (px*posDist->SideRefVec1.z()) + (py*posDist->SideRefVec2.z()) + (pz*posDist->SideRefVec3.z()); |
---|
305 | } |
---|
306 | } |
---|
307 | G4double ResMag = std::sqrt((finx*finx) + (finy*finy) + (finz*finz)); |
---|
308 | finx = finx/ResMag; |
---|
309 | finy = finy/ResMag; |
---|
310 | finz = finz/ResMag; |
---|
311 | |
---|
312 | particle_momentum_direction.setX(finx); |
---|
313 | particle_momentum_direction.setY(finy); |
---|
314 | particle_momentum_direction.setZ(finz); |
---|
315 | |
---|
316 | // particle_momentum_direction now holds unit momentum vector. |
---|
317 | if(verbosityLevel >= 1) |
---|
318 | G4cout << "Generating isotropic vector: " << particle_momentum_direction << G4endl; |
---|
319 | } |
---|
320 | |
---|
321 | void G4SPSAngDistribution::GenerateCosineLawFlux() |
---|
322 | { |
---|
323 | // Method to generate flux distributed with a cosine law |
---|
324 | G4double px, py, pz; |
---|
325 | G4double rndm, rndm2; |
---|
326 | // |
---|
327 | G4double sintheta, sinphi,costheta,cosphi; |
---|
328 | rndm = angRndm->GenRandTheta(); |
---|
329 | sintheta = std::sqrt( rndm * (std::sin(MaxTheta)*std::sin(MaxTheta) - std::sin(MinTheta)*std::sin(MinTheta) ) |
---|
330 | +std::sin(MinTheta)*std::sin(MinTheta) ); |
---|
331 | costheta = std::sqrt(1. -sintheta*sintheta); |
---|
332 | |
---|
333 | rndm2 = angRndm->GenRandPhi(); |
---|
334 | Phi = MinPhi + (MaxPhi - MinPhi) * rndm2; |
---|
335 | sinphi = std::sin(Phi); |
---|
336 | cosphi = std::cos(Phi); |
---|
337 | |
---|
338 | px = -sintheta * cosphi; |
---|
339 | py = -sintheta * sinphi; |
---|
340 | pz = -costheta; |
---|
341 | |
---|
342 | // for volume and ponit source use mother or user defined co-ordinates |
---|
343 | // for plane and surface source user surface-normal or userdefined co-ordinates |
---|
344 | // |
---|
345 | G4double finx, finy, finz; |
---|
346 | if (posDist->SourcePosType == "Point" || posDist->SourcePosType == "Volume") { |
---|
347 | if (UserAngRef){ |
---|
348 | // Apply Rotation Matrix |
---|
349 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
350 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
351 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
352 | } else { |
---|
353 | finx = px; |
---|
354 | finy = py; |
---|
355 | finz = pz; |
---|
356 | } |
---|
357 | } else { // for plane and surface source |
---|
358 | if (UserAngRef){ |
---|
359 | // Apply Rotation Matrix |
---|
360 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
361 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
362 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
363 | } else { |
---|
364 | finx = (px*posDist->SideRefVec1.x()) + (py*posDist->SideRefVec2.x()) + (pz*posDist->SideRefVec3.x()); |
---|
365 | finy = (px*posDist->SideRefVec1.y()) + (py*posDist->SideRefVec2.y()) + (pz*posDist->SideRefVec3.y()); |
---|
366 | finz = (px*posDist->SideRefVec1.z()) + (py*posDist->SideRefVec2.z()) + (pz*posDist->SideRefVec3.z()); |
---|
367 | } |
---|
368 | } |
---|
369 | G4double ResMag = std::sqrt((finx*finx) + (finy*finy) + (finz*finz)); |
---|
370 | finx = finx/ResMag; |
---|
371 | finy = finy/ResMag; |
---|
372 | finz = finz/ResMag; |
---|
373 | |
---|
374 | particle_momentum_direction.setX(finx); |
---|
375 | particle_momentum_direction.setY(finy); |
---|
376 | particle_momentum_direction.setZ(finz); |
---|
377 | |
---|
378 | // particle_momentum_direction now contains unit momentum vector. |
---|
379 | if(verbosityLevel >= 1) |
---|
380 | { |
---|
381 | G4cout << "Resultant cosine-law unit momentum vector " << particle_momentum_direction << G4endl; |
---|
382 | } |
---|
383 | } |
---|
384 | |
---|
385 | void G4SPSAngDistribution::GeneratePlanarFlux() |
---|
386 | { |
---|
387 | // particle_momentum_direction now contains unit momentum vector. |
---|
388 | // nothing need be done here as the m-directions have been set directly |
---|
389 | // under this option |
---|
390 | if(verbosityLevel >= 1) |
---|
391 | { |
---|
392 | G4cout << "Resultant Planar wave momentum vector " << particle_momentum_direction << G4endl; |
---|
393 | } |
---|
394 | } |
---|
395 | |
---|
396 | void G4SPSAngDistribution::GenerateUserDefFlux() |
---|
397 | { |
---|
398 | G4double rndm, px, py, pz, pmag; |
---|
399 | |
---|
400 | if(UserDistType == "NULL") |
---|
401 | G4cout << "Error: UserDistType undefined" << G4endl; |
---|
402 | else if(UserDistType == "theta") { |
---|
403 | Theta = 10.; |
---|
404 | while(Theta > MaxTheta || Theta < MinTheta) |
---|
405 | Theta = GenerateUserDefTheta(); |
---|
406 | Phi = 10.; |
---|
407 | while(Phi > MaxPhi || Phi < MinPhi) { |
---|
408 | rndm = angRndm->GenRandPhi(); |
---|
409 | Phi = twopi * rndm; |
---|
410 | } |
---|
411 | } |
---|
412 | else if(UserDistType == "phi") { |
---|
413 | Theta = 10.; |
---|
414 | while(Theta > MaxTheta || Theta < MinTheta) |
---|
415 | { |
---|
416 | rndm = angRndm->GenRandTheta(); |
---|
417 | Theta = std::acos(1. - (2. * rndm)); |
---|
418 | } |
---|
419 | Phi = 10.; |
---|
420 | while(Phi > MaxPhi || Phi < MinPhi) |
---|
421 | Phi = GenerateUserDefPhi(); |
---|
422 | } |
---|
423 | else if(UserDistType == "both") |
---|
424 | { |
---|
425 | Theta = 10.; |
---|
426 | while(Theta > MaxTheta || Theta < MinTheta) |
---|
427 | Theta = GenerateUserDefTheta(); |
---|
428 | Phi = 10.; |
---|
429 | while(Phi > MaxPhi || Phi < MinPhi) |
---|
430 | Phi = GenerateUserDefPhi(); |
---|
431 | } |
---|
432 | px = -std::sin(Theta) * std::cos(Phi); |
---|
433 | py = -std::sin(Theta) * std::sin(Phi); |
---|
434 | pz = -std::cos(Theta); |
---|
435 | |
---|
436 | pmag = std::sqrt((px*px) + (py*py) + (pz*pz)); |
---|
437 | |
---|
438 | if(!UserWRTSurface) { |
---|
439 | G4double finx, finy, finz; |
---|
440 | if (UserAngRef) { |
---|
441 | // Apply Rotation Matrix |
---|
442 | // x * AngRef1, y * AngRef2 and z * AngRef3 |
---|
443 | finx = (px * AngRef1.x()) + (py * AngRef2.x()) + (pz * AngRef3.x()); |
---|
444 | finy = (px * AngRef1.y()) + (py * AngRef2.y()) + (pz * AngRef3.y()); |
---|
445 | finz = (px * AngRef1.z()) + (py * AngRef2.z()) + (pz * AngRef3.z()); |
---|
446 | } else { // use mother co-ordinates |
---|
447 | finx = px; |
---|
448 | finy = py; |
---|
449 | finz = pz; |
---|
450 | } |
---|
451 | G4double ResMag = std::sqrt((finx*finx) + (finy*finy) + (finz*finz)); |
---|
452 | finx = finx/ResMag; |
---|
453 | finy = finy/ResMag; |
---|
454 | finz = finz/ResMag; |
---|
455 | |
---|
456 | particle_momentum_direction.setX(finx); |
---|
457 | particle_momentum_direction.setY(finy); |
---|
458 | particle_momentum_direction.setZ(finz); |
---|
459 | } |
---|
460 | else { // UserWRTSurface = true |
---|
461 | G4double pxh = px/pmag; |
---|
462 | G4double pyh = py/pmag; |
---|
463 | G4double pzh = pz/pmag; |
---|
464 | if(verbosityLevel > 1) { |
---|
465 | G4cout <<"SideRefVecs " <<posDist->SideRefVec1<<posDist->SideRefVec2<<posDist->SideRefVec3<<G4endl; |
---|
466 | G4cout <<"Raw Unit vector "<<pxh<<","<<pyh<<","<<pzh<<G4endl; |
---|
467 | } |
---|
468 | G4double resultx = (pxh*posDist->SideRefVec1.x()) + (pyh*posDist->SideRefVec2.x()) + |
---|
469 | (pzh*posDist->SideRefVec3.x()); |
---|
470 | |
---|
471 | G4double resulty = (pxh*posDist->SideRefVec1.y()) + (pyh*posDist->SideRefVec2.y()) + |
---|
472 | (pzh*posDist->SideRefVec3.y()); |
---|
473 | |
---|
474 | G4double resultz = (pxh*posDist->SideRefVec1.z()) + (pyh*posDist->SideRefVec2.z()) + |
---|
475 | (pzh*posDist->SideRefVec3.z()); |
---|
476 | |
---|
477 | G4double ResMag = std::sqrt((resultx*resultx) + (resulty*resulty) + (resultz*resultz)); |
---|
478 | resultx = resultx/ResMag; |
---|
479 | resulty = resulty/ResMag; |
---|
480 | resultz = resultz/ResMag; |
---|
481 | |
---|
482 | particle_momentum_direction.setX(resultx); |
---|
483 | particle_momentum_direction.setY(resulty); |
---|
484 | particle_momentum_direction.setZ(resultz); |
---|
485 | } |
---|
486 | |
---|
487 | // particle_momentum_direction now contains unit momentum vector. |
---|
488 | if(verbosityLevel > 0 ) |
---|
489 | { |
---|
490 | G4cout << "Final User Defined momentum vector " << particle_momentum_direction << G4endl; |
---|
491 | } |
---|
492 | } |
---|
493 | |
---|
494 | G4double G4SPSAngDistribution::GenerateUserDefTheta() |
---|
495 | { |
---|
496 | // Create cumulative histogram if not already done so. Then use RandFlat |
---|
497 | //::shoot to generate the output Theta value. |
---|
498 | if(UserDistType == "NULL" || UserDistType == "phi") |
---|
499 | { |
---|
500 | // No user defined theta distribution |
---|
501 | G4cout << "Error ***********************" << G4endl; |
---|
502 | G4cout << "UserDistType = " << UserDistType << G4endl; |
---|
503 | return (0.); |
---|
504 | } |
---|
505 | else |
---|
506 | { |
---|
507 | // UserDistType = theta or both and so a theta distribution |
---|
508 | // is defined. This should be integrated if not already done. |
---|
509 | if(IPDFThetaExist == false) |
---|
510 | { |
---|
511 | // IPDF has not been created, so create it |
---|
512 | G4double bins[1024],vals[1024], sum; |
---|
513 | G4int ii; |
---|
514 | G4int maxbin = G4int(UDefThetaH.GetVectorLength()); |
---|
515 | bins[0] = UDefThetaH.GetLowEdgeEnergy(size_t(0)); |
---|
516 | vals[0] = UDefThetaH(size_t(0)); |
---|
517 | sum = vals[0]; |
---|
518 | for(ii=1;ii<maxbin;ii++) |
---|
519 | { |
---|
520 | bins[ii] = UDefThetaH.GetLowEdgeEnergy(size_t(ii)); |
---|
521 | vals[ii] = UDefThetaH(size_t(ii)) + vals[ii-1]; |
---|
522 | sum = sum + UDefThetaH(size_t(ii)); |
---|
523 | } |
---|
524 | for(ii=0;ii<maxbin;ii++) |
---|
525 | { |
---|
526 | vals[ii] = vals[ii]/sum; |
---|
527 | IPDFThetaH.InsertValues(bins[ii], vals[ii]); |
---|
528 | } |
---|
529 | // Make IPDFThetaExist = true |
---|
530 | IPDFThetaExist = true; |
---|
531 | } |
---|
532 | // IPDF has been create so carry on |
---|
533 | G4double rndm = G4UniformRand(); |
---|
534 | return(IPDFThetaH.GetEnergy(rndm)); |
---|
535 | } |
---|
536 | } |
---|
537 | |
---|
538 | G4double G4SPSAngDistribution::GenerateUserDefPhi() |
---|
539 | { |
---|
540 | // Create cumulative histogram if not already done so. Then use RandFlat |
---|
541 | //::shoot to generate the output Theta value. |
---|
542 | |
---|
543 | if(UserDistType == "NULL" || UserDistType == "theta") |
---|
544 | { |
---|
545 | // No user defined phi distribution |
---|
546 | G4cout << "Error ***********************" << G4endl; |
---|
547 | G4cout << "UserDistType = " << UserDistType << G4endl; |
---|
548 | return(0.); |
---|
549 | } |
---|
550 | else |
---|
551 | { |
---|
552 | // UserDistType = phi or both and so a phi distribution |
---|
553 | // is defined. This should be integrated if not already done. |
---|
554 | if(IPDFPhiExist == false) |
---|
555 | { |
---|
556 | // IPDF has not been created, so create it |
---|
557 | G4double bins[1024],vals[1024], sum; |
---|
558 | G4int ii; |
---|
559 | G4int maxbin = G4int(UDefPhiH.GetVectorLength()); |
---|
560 | bins[0] = UDefPhiH.GetLowEdgeEnergy(size_t(0)); |
---|
561 | vals[0] = UDefPhiH(size_t(0)); |
---|
562 | sum = vals[0]; |
---|
563 | for(ii=1;ii<maxbin;ii++) |
---|
564 | { |
---|
565 | bins[ii] = UDefPhiH.GetLowEdgeEnergy(size_t(ii)); |
---|
566 | vals[ii] = UDefPhiH(size_t(ii)) + vals[ii-1]; |
---|
567 | sum = sum + UDefPhiH(size_t(ii)); |
---|
568 | } |
---|
569 | |
---|
570 | for(ii=0;ii<maxbin;ii++) |
---|
571 | { |
---|
572 | vals[ii] = vals[ii]/sum; |
---|
573 | IPDFPhiH.InsertValues(bins[ii], vals[ii]); |
---|
574 | } |
---|
575 | // Make IPDFPhiExist = true |
---|
576 | IPDFPhiExist = true; |
---|
577 | } |
---|
578 | // IPDF has been create so carry on |
---|
579 | G4double rndm = G4UniformRand(); |
---|
580 | return(IPDFPhiH.GetEnergy(rndm)); |
---|
581 | } |
---|
582 | } |
---|
583 | // |
---|
584 | void G4SPSAngDistribution::ReSetHist(G4String atype) |
---|
585 | { |
---|
586 | if (atype == "theta") { |
---|
587 | UDefThetaH = IPDFThetaH = ZeroPhysVector ; |
---|
588 | IPDFThetaExist = false ;} |
---|
589 | else if (atype == "phi"){ |
---|
590 | UDefPhiH = IPDFPhiH = ZeroPhysVector ; |
---|
591 | IPDFPhiExist = false ;} |
---|
592 | else { |
---|
593 | G4cout << "Error, histtype not accepted " << G4endl; |
---|
594 | } |
---|
595 | } |
---|
596 | |
---|
597 | |
---|
598 | G4ParticleMomentum G4SPSAngDistribution::GenerateOne() |
---|
599 | { |
---|
600 | // Angular stuff |
---|
601 | if(AngDistType == "iso") |
---|
602 | GenerateIsotropicFlux(); |
---|
603 | else if(AngDistType == "cos") |
---|
604 | GenerateCosineLawFlux(); |
---|
605 | else if(AngDistType == "planar") |
---|
606 | GeneratePlanarFlux(); |
---|
607 | else if(AngDistType == "beam1d" || AngDistType == "beam2d" ) |
---|
608 | GenerateBeamFlux(); |
---|
609 | else if(AngDistType == "user") |
---|
610 | GenerateUserDefFlux(); |
---|
611 | else if(AngDistType == "focused") |
---|
612 | GenerateFocusedFlux(); |
---|
613 | else |
---|
614 | G4cout << "Error: AngDistType has unusual value" << G4endl; |
---|
615 | return particle_momentum_direction; |
---|
616 | } |
---|
617 | |
---|
618 | |
---|
619 | |
---|
620 | |
---|
621 | |
---|
622 | |
---|
623 | |
---|
624 | |
---|
625 | |
---|