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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id: G4VoxelNavigation.cc,v 1.13 2010-11-04 18:18:00 japost Exp $
>> 28 // GEANT4 tag $Name: geant4-09-04-patch-02 $
>> 29 //
>> 30 //
26 // class G4VoxelNavigation Implementation 31 // class G4VoxelNavigation Implementation
27 // 32 //
28 // Author: P.Kent, 1996 33 // Author: P.Kent, 1996
29 // 34 //
30 // ------------------------------------------- 35 // --------------------------------------------------------------------
>> 36
31 #include "G4VoxelNavigation.hh" 37 #include "G4VoxelNavigation.hh"
32 #include "G4GeometryTolerance.hh" 38 #include "G4GeometryTolerance.hh"
33 #include "G4VoxelSafety.hh" 39 #include "G4VoxelSafety.hh"
34 40
35 #include "G4AuxiliaryNavServices.hh" <<
36 <<
37 #include <cassert> <<
38 #include <ostream> <<
39 <<
40 // ******************************************* 41 // ********************************************************************
41 // Constructor 42 // Constructor
42 // ******************************************* 43 // ********************************************************************
43 // 44 //
44 G4VoxelNavigation::G4VoxelNavigation() 45 G4VoxelNavigation::G4VoxelNavigation()
45 : fVoxelAxisStack(kNavigatorVoxelStackMax,kX << 46 : fBList(), fVoxelDepth(-1),
>> 47 fVoxelAxisStack(kNavigatorVoxelStackMax,kXAxis),
46 fVoxelNoSlicesStack(kNavigatorVoxelStackMa 48 fVoxelNoSlicesStack(kNavigatorVoxelStackMax,0),
47 fVoxelSliceWidthStack(kNavigatorVoxelStack 49 fVoxelSliceWidthStack(kNavigatorVoxelStackMax,0.),
48 fVoxelNodeNoStack(kNavigatorVoxelStackMax, 50 fVoxelNodeNoStack(kNavigatorVoxelStackMax,0),
49 fVoxelHeaderStack(kNavigatorVoxelStackMax, << 51 fVoxelHeaderStack(kNavigatorVoxelStackMax,(G4SmartVoxelHeader*)0),
>> 52 fVoxelNode(0), fpVoxelSafety(0), fCheck(false), fBestSafety(false)
50 { 53 {
51 fLogger= new G4NavigationLogger("G4VoxelNavi << 54 fLogger = new G4NavigationLogger("G4VoxelNavigation");
52 fpVoxelSafety= new G4VoxelSafety(); << 55 fpVoxelSafety = new G4VoxelSafety ();
53 fHalfTolerance= 0.5*G4GeometryTolerance::Get <<
54 <<
55 #ifdef G4DEBUG_NAVIGATION <<
56 SetVerboseLevel(5); // Reports most about <<
57 #endif <<
58 } 56 }
59 57
60 // ******************************************* 58 // ********************************************************************
61 // Destructor 59 // Destructor
62 // ******************************************* 60 // ********************************************************************
63 // 61 //
64 G4VoxelNavigation::~G4VoxelNavigation() 62 G4VoxelNavigation::~G4VoxelNavigation()
65 { 63 {
66 delete fpVoxelSafety; 64 delete fpVoxelSafety;
67 delete fLogger; 65 delete fLogger;
68 } 66 }
69 67
70 // ------------------------------------------- <<
71 // Input: <<
72 // exiting: : last step exited <<
73 // blockedPhysical : phys volume last exit <<
74 // blockedReplicaNo : copy/replica number o <<
75 // Output: <<
76 // entering : if true, found candid <<
77 // blockedPhysical : candidate phys volume <<
78 // blockedReplicaNo : copy/replica number <<
79 // exiting: : will exit current (mo <<
80 // In/Out <<
81 // ------------------------------------------- <<
82 <<
83 // ******************************************* 68 // ********************************************************************
84 // ComputeStep 69 // ComputeStep
85 // ******************************************* 70 // ********************************************************************
86 // 71 //
87 G4double 72 G4double
88 G4VoxelNavigation::ComputeStep( const G4ThreeV 73 G4VoxelNavigation::ComputeStep( const G4ThreeVector& localPoint,
89 const G4ThreeV 74 const G4ThreeVector& localDirection,
90 const G4double 75 const G4double currentProposedStepLength,
91 G4double 76 G4double& newSafety,
92 /* const */ G4Naviga << 77 G4NavigationHistory& history,
93 G4bool& 78 G4bool& validExitNormal,
94 G4ThreeV 79 G4ThreeVector& exitNormal,
95 G4bool& 80 G4bool& exiting,
96 G4bool& 81 G4bool& entering,
97 G4VPhysi << 82 G4VPhysicalVolume *(*pBlockedPhysical),
98 G4int& b 83 G4int& blockedReplicaNo )
99 { 84 {
100 G4VPhysicalVolume *motherPhysical, *samplePh << 85 G4VPhysicalVolume *motherPhysical, *samplePhysical, *blockedExitedVol=0;
101 G4LogicalVolume *motherLogical; 86 G4LogicalVolume *motherLogical;
102 G4VSolid *motherSolid; 87 G4VSolid *motherSolid;
103 G4ThreeVector sampleDirection; 88 G4ThreeVector sampleDirection;
104 G4double ourStep=currentProposedStepLength, << 89 G4double ourStep=currentProposedStepLength, motherSafety, ourSafety;
105 G4double motherSafety, motherStep = DBL_MAX; <<
106 G4int localNoDaughters, sampleNo; 90 G4int localNoDaughters, sampleNo;
107 91
108 G4bool initialNode, noStep; 92 G4bool initialNode, noStep;
109 G4SmartVoxelNode *curVoxelNode; 93 G4SmartVoxelNode *curVoxelNode;
110 G4long curNoVolumes, contentNo; << 94 G4int curNoVolumes, contentNo;
111 G4double voxelSafety; 95 G4double voxelSafety;
112 96
113 motherPhysical = history.GetTopVolume(); 97 motherPhysical = history.GetTopVolume();
114 motherLogical = motherPhysical->GetLogicalVo 98 motherLogical = motherPhysical->GetLogicalVolume();
115 motherSolid = motherLogical->GetSolid(); 99 motherSolid = motherLogical->GetSolid();
116 100
117 // 101 //
118 // Compute mother safety 102 // Compute mother safety
119 // 103 //
120 104
121 motherSafety = motherSolid->DistanceToOut(lo 105 motherSafety = motherSolid->DistanceToOut(localPoint);
122 ourSafety = motherSafety; // 106 ourSafety = motherSafety; // Working isotropic safety
123 107
124 #ifdef G4VERBOSE 108 #ifdef G4VERBOSE
125 if ( fCheck ) 109 if ( fCheck )
126 { 110 {
127 fLogger->PreComputeStepLog (motherPhysical 111 fLogger->PreComputeStepLog (motherPhysical, motherSafety, localPoint);
128 } 112 }
129 #endif 113 #endif
130 114
131 // 115 //
132 // Compute daughter safeties & intersections 116 // Compute daughter safeties & intersections
133 // 117 //
134 118
135 // Exiting normal optimisation 119 // Exiting normal optimisation
136 // 120 //
137 if ( exiting && validExitNormal ) 121 if ( exiting && validExitNormal )
138 { 122 {
139 if ( localDirection.dot(exitNormal)>=kMinE 123 if ( localDirection.dot(exitNormal)>=kMinExitingNormalCosine )
140 { 124 {
141 // Block exited daughter volume 125 // Block exited daughter volume
142 // 126 //
143 blockedExitedVol = *pBlockedPhysical; 127 blockedExitedVol = *pBlockedPhysical;
144 ourSafety = 0; 128 ourSafety = 0;
145 } 129 }
146 } 130 }
147 exiting = false; 131 exiting = false;
148 entering = false; 132 entering = false;
149 133
150 // For extra checking, get the distance to << 134 localNoDaughters = motherLogical->GetNoDaughters();
151 G4bool motherValidExitNormal = false; <<
152 G4ThreeVector motherExitNormal(0.0, 0.0, 0.0 <<
153 <<
154 #ifdef G4VERBOSE <<
155 if ( fCheck ) <<
156 { <<
157 // Compute early -- a) for validity <<
158 // b) to check against an <<
159 motherStep = motherSolid->DistanceToOut(lo <<
160 lo <<
161 tr <<
162 &mo <<
163 &mo <<
164 } <<
165 #endif <<
166 <<
167 localNoDaughters = (G4int)motherLogical->Get <<
168 135
169 fBList.Enlarge(localNoDaughters); 136 fBList.Enlarge(localNoDaughters);
170 fBList.Reset(); 137 fBList.Reset();
171 138
172 initialNode = true; 139 initialNode = true;
173 noStep = true; 140 noStep = true;
174 141
175 while (noStep) 142 while (noStep)
176 { 143 {
177 curVoxelNode = fVoxelNode; 144 curVoxelNode = fVoxelNode;
178 curNoVolumes = curVoxelNode->GetNoContaine 145 curNoVolumes = curVoxelNode->GetNoContained();
179 for (contentNo=curNoVolumes-1; contentNo>= 146 for (contentNo=curNoVolumes-1; contentNo>=0; contentNo--)
180 { 147 {
181 sampleNo = curVoxelNode->GetVolume((G4in << 148 sampleNo = curVoxelNode->GetVolume(contentNo);
182 if ( !fBList.IsBlocked(sampleNo) ) 149 if ( !fBList.IsBlocked(sampleNo) )
183 { 150 {
184 fBList.BlockVolume(sampleNo); 151 fBList.BlockVolume(sampleNo);
185 samplePhysical = motherLogical->GetDau 152 samplePhysical = motherLogical->GetDaughter(sampleNo);
186 if ( samplePhysical!=blockedExitedVol 153 if ( samplePhysical!=blockedExitedVol )
187 { 154 {
188 G4AffineTransform sampleTf(samplePhy 155 G4AffineTransform sampleTf(samplePhysical->GetRotation(),
189 samplePhy 156 samplePhysical->GetTranslation());
190 sampleTf.Invert(); 157 sampleTf.Invert();
191 const G4ThreeVector samplePoint = 158 const G4ThreeVector samplePoint =
192 sampleTf.TransformPoint(l 159 sampleTf.TransformPoint(localPoint);
193 const G4VSolid *sampleSolid = 160 const G4VSolid *sampleSolid =
194 samplePhysical->GetLogica 161 samplePhysical->GetLogicalVolume()->GetSolid();
195 const G4double sampleSafety = 162 const G4double sampleSafety =
196 sampleSolid->DistanceToIn 163 sampleSolid->DistanceToIn(samplePoint);
197 << 164 #ifdef G4VERBOSE
>> 165 if( fCheck )
>> 166 {
>> 167 fLogger->PrintDaughterLog(sampleSolid,samplePoint,sampleSafety,0);
>> 168 }
>> 169 #endif
198 if ( sampleSafety<ourSafety ) 170 if ( sampleSafety<ourSafety )
199 { 171 {
200 ourSafety = sampleSafety; 172 ourSafety = sampleSafety;
201 } 173 }
202 if ( sampleSafety<=ourStep ) 174 if ( sampleSafety<=ourStep )
203 { 175 {
204 sampleDirection = sampleTf.Transfo 176 sampleDirection = sampleTf.TransformAxis(localDirection);
205 G4double sampleStep = 177 G4double sampleStep =
206 sampleSolid->DistanceToIn 178 sampleSolid->DistanceToIn(samplePoint, sampleDirection);
207 #ifdef G4VERBOSE 179 #ifdef G4VERBOSE
208 if( fCheck ) 180 if( fCheck )
209 { 181 {
210 fLogger->PrintDaughterLog(sample 182 fLogger->PrintDaughterLog(sampleSolid, samplePoint,
211 sample << 183 sampleSafety, sampleStep);
212 sample <<
213 } 184 }
214 #endif 185 #endif
215 if ( sampleStep<=ourStep ) 186 if ( sampleStep<=ourStep )
216 { 187 {
217 ourStep = sampleStep; 188 ourStep = sampleStep;
218 entering = true; 189 entering = true;
219 exiting = false; 190 exiting = false;
220 *pBlockedPhysical = samplePhysic 191 *pBlockedPhysical = samplePhysical;
221 blockedReplicaNo = -1; 192 blockedReplicaNo = -1;
222 #ifdef G4VERBOSE 193 #ifdef G4VERBOSE
223 // Check to see that the resulti 194 // Check to see that the resulting point is indeed in/on volume.
224 // This could be done only for s << 195 // This check could eventually be made only for successful
>> 196 // candidate.
>> 197
225 if ( fCheck ) 198 if ( fCheck )
226 { 199 {
227 fLogger->AlongComputeStepLog ( 200 fLogger->AlongComputeStepLog (sampleSolid, samplePoint,
228 sampleDirection, localDirect 201 sampleDirection, localDirection, sampleSafety, sampleStep);
229 } 202 }
230 #endif 203 #endif
231 } 204 }
232 #ifdef G4VERBOSE <<
233 if ( fCheck && ( sampleStep < kInf <<
234 && ( sampleStep >= mot <<
235 { <<
236 // The intersection point with <<
237 // point from the mother volume <<
238 fLogger->CheckDaughterEntryPoin <<
239 <<
240 <<
241 <<
242 <<
243 } <<
244 #endif <<
245 } <<
246 #ifdef G4VERBOSE <<
247 else // ie if sampleSafety > outStep <<
248 { <<
249 if( fCheck ) <<
250 { <<
251 fLogger->PrintDaughterLog(sample <<
252 sample <<
253 G4Thre <<
254 } <<
255 } 205 }
256 #endif <<
257 } 206 }
258 } 207 }
259 } 208 }
260 if (initialNode) 209 if (initialNode)
261 { 210 {
262 initialNode = false; 211 initialNode = false;
263 voxelSafety = ComputeVoxelSafety(localPo 212 voxelSafety = ComputeVoxelSafety(localPoint);
264 if ( voxelSafety<ourSafety ) 213 if ( voxelSafety<ourSafety )
265 { 214 {
266 ourSafety = voxelSafety; 215 ourSafety = voxelSafety;
267 } 216 }
268 if ( currentProposedStepLength<ourSafety 217 if ( currentProposedStepLength<ourSafety )
269 { 218 {
270 // Guaranteed physics limited 219 // Guaranteed physics limited
271 // 220 //
272 noStep = false; 221 noStep = false;
273 entering = false; 222 entering = false;
274 exiting = false; 223 exiting = false;
275 *pBlockedPhysical = nullptr; << 224 *pBlockedPhysical = 0;
276 ourStep = kInfinity; 225 ourStep = kInfinity;
277 } 226 }
278 else 227 else
279 { 228 {
280 // 229 //
281 // Compute mother intersection if requ 230 // Compute mother intersection if required
282 // 231 //
283 if ( motherSafety<=ourStep ) 232 if ( motherSafety<=ourStep )
284 { 233 {
285 // In case of check mode this is a d << 234 G4double motherStep =
286 motherStep = motherSolid->DistanceTo << 235 motherSolid->DistanceToOut(localPoint,
287 true, &motherVal << 236 localDirection,
>> 237 true, &validExitNormal, &exitNormal);
288 #ifdef G4VERBOSE 238 #ifdef G4VERBOSE
289 if ( fCheck ) 239 if ( fCheck )
290 { 240 {
291 fLogger->PostComputeStepLog(mother 241 fLogger->PostComputeStepLog(motherSolid, localPoint, localDirection,
292 mother 242 motherStep, motherSafety);
293 if( motherValidExitNormal ) <<
294 { <<
295 fLogger->CheckAndReportBadNormal <<
296 <<
297 <<
298 "From <<
299 } <<
300 } 243 }
301 #endif 244 #endif
302 if( (motherStep >= kInfinity) || (mo <<
303 { <<
304 #ifdef G4VERBOSE <<
305 if( fCheck ) // Error - indication <<
306 { <<
307 fLogger->ReportOutsideMother(loc <<
308 mot <<
309 } <<
310 #endif <<
311 motherStep = 0.0; <<
312 ourStep = 0.0; <<
313 exiting = true; <<
314 entering = false; <<
315 <<
316 // validExitNormal= motherValidExi <<
317 // exitNormal= motherExitNormal; <<
318 // Useful only if the point is ver <<
319 // => but it would need to be rota <<
320 validExitNormal= false; <<
321 <<
322 *pBlockedPhysical = nullptr; // or <<
323 blockedReplicaNo = 0; // or mothe <<
324 <<
325 newSafety = 0.0; <<
326 return ourStep; <<
327 } <<
328 <<
329 if ( motherStep<=ourStep ) 245 if ( motherStep<=ourStep )
330 { 246 {
331 ourStep = motherStep; 247 ourStep = motherStep;
332 exiting = true; 248 exiting = true;
333 entering = false; 249 entering = false;
334 <<
335 // Exit normal: Natural location t <<
336 // <<
337 validExitNormal = motherValidExitN <<
338 exitNormal = motherExitNormal; <<
339 <<
340 if ( validExitNormal ) 250 if ( validExitNormal )
341 { 251 {
342 const G4RotationMatrix *rot = mo 252 const G4RotationMatrix *rot = motherPhysical->GetRotation();
343 if (rot != nullptr) << 253 if (rot)
344 { 254 {
345 exitNormal *= rot->inverse(); 255 exitNormal *= rot->inverse();
346 #ifdef G4VERBOSE <<
347 if( fCheck ) <<
348 { <<
349 fLogger->CheckAndReportBadNo <<
350 <<
351 <<
352 <<
353 } <<
354 #endif <<
355 } 256 }
356 } << 257 }
357 } 258 }
358 else 259 else
359 { 260 {
360 validExitNormal = false; 261 validExitNormal = false;
361 } 262 }
362 } 263 }
363 } 264 }
364 newSafety = ourSafety; 265 newSafety = ourSafety;
365 } 266 }
366 if (noStep) 267 if (noStep)
367 { 268 {
368 noStep = LocateNextVoxel(localPoint, loc 269 noStep = LocateNextVoxel(localPoint, localDirection, ourStep);
369 } 270 }
370 } // end -while (noStep)- loop 271 } // end -while (noStep)- loop
371 272
372 return ourStep; 273 return ourStep;
373 } 274 }
374 275
375 // ******************************************* 276 // ********************************************************************
376 // ComputeVoxelSafety 277 // ComputeVoxelSafety
377 // 278 //
378 // Computes safety from specified point to vox 279 // Computes safety from specified point to voxel boundaries
379 // using already located point 280 // using already located point
380 // o collected boundaries for most derived lev 281 // o collected boundaries for most derived level
381 // o adjacent boundaries for previous levels 282 // o adjacent boundaries for previous levels
382 // ******************************************* 283 // ********************************************************************
383 // 284 //
384 G4double 285 G4double
385 G4VoxelNavigation::ComputeVoxelSafety(const G4 286 G4VoxelNavigation::ComputeVoxelSafety(const G4ThreeVector& localPoint) const
386 { 287 {
387 G4SmartVoxelHeader *curHeader; 288 G4SmartVoxelHeader *curHeader;
388 G4double voxelSafety, curNodeWidth; 289 G4double voxelSafety, curNodeWidth;
389 G4double curNodeOffset, minCurCommonDelta, m 290 G4double curNodeOffset, minCurCommonDelta, maxCurCommonDelta;
390 G4int minCurNodeNoDelta, maxCurNodeNoDelta; 291 G4int minCurNodeNoDelta, maxCurNodeNoDelta;
391 G4int localVoxelDepth, curNodeNo; 292 G4int localVoxelDepth, curNodeNo;
392 EAxis curHeaderAxis; 293 EAxis curHeaderAxis;
393 294
394 localVoxelDepth = fVoxelDepth; 295 localVoxelDepth = fVoxelDepth;
395 296
396 curHeader = fVoxelHeaderStack[localVoxelDept 297 curHeader = fVoxelHeaderStack[localVoxelDepth];
397 curHeaderAxis = fVoxelAxisStack[localVoxelDe 298 curHeaderAxis = fVoxelAxisStack[localVoxelDepth];
398 curNodeNo = fVoxelNodeNoStack[localVoxelDept 299 curNodeNo = fVoxelNodeNoStack[localVoxelDepth];
399 curNodeWidth = fVoxelSliceWidthStack[localVo 300 curNodeWidth = fVoxelSliceWidthStack[localVoxelDepth];
400 301
401 // Compute linear intersection distance to b 302 // Compute linear intersection distance to boundaries of max/min
402 // to collected nodes at current level 303 // to collected nodes at current level
403 // 304 //
404 curNodeOffset = curNodeNo*curNodeWidth; 305 curNodeOffset = curNodeNo*curNodeWidth;
405 maxCurNodeNoDelta = fVoxelNode->GetMaxEquiva 306 maxCurNodeNoDelta = fVoxelNode->GetMaxEquivalentSliceNo()-curNodeNo;
406 minCurNodeNoDelta = curNodeNo-fVoxelNode->Ge 307 minCurNodeNoDelta = curNodeNo-fVoxelNode->GetMinEquivalentSliceNo();
407 minCurCommonDelta = localPoint(curHeaderAxis 308 minCurCommonDelta = localPoint(curHeaderAxis)
408 - curHeader->GetMinExten 309 - curHeader->GetMinExtent() - curNodeOffset;
409 maxCurCommonDelta = curNodeWidth-minCurCommo 310 maxCurCommonDelta = curNodeWidth-minCurCommonDelta;
410 311
411 if ( minCurNodeNoDelta<maxCurNodeNoDelta ) 312 if ( minCurNodeNoDelta<maxCurNodeNoDelta )
412 { 313 {
413 voxelSafety = minCurNodeNoDelta*curNodeWid 314 voxelSafety = minCurNodeNoDelta*curNodeWidth;
414 voxelSafety += minCurCommonDelta; 315 voxelSafety += minCurCommonDelta;
415 } 316 }
416 else if (maxCurNodeNoDelta < minCurNodeNoDel 317 else if (maxCurNodeNoDelta < minCurNodeNoDelta)
417 { 318 {
418 voxelSafety = maxCurNodeNoDelta*curNodeWid 319 voxelSafety = maxCurNodeNoDelta*curNodeWidth;
419 voxelSafety += maxCurCommonDelta; 320 voxelSafety += maxCurCommonDelta;
420 } 321 }
421 else // (maxCurNodeNoDelta == minCurNodeN 322 else // (maxCurNodeNoDelta == minCurNodeNoDelta)
422 { 323 {
423 voxelSafety = minCurNodeNoDelta*curNodeWid 324 voxelSafety = minCurNodeNoDelta*curNodeWidth;
424 voxelSafety += std::min(minCurCommonDelta, 325 voxelSafety += std::min(minCurCommonDelta,maxCurCommonDelta);
425 } 326 }
426 327
427 // Compute isotropic safety to boundaries of 328 // Compute isotropic safety to boundaries of previous levels
428 // [NOT to collected boundaries] 329 // [NOT to collected boundaries]
429 << 330 //
430 // Loop checking, 07.10.2016, JA <<
431 while ( (localVoxelDepth>0) && (voxelSafety> 331 while ( (localVoxelDepth>0) && (voxelSafety>0) )
432 { 332 {
433 localVoxelDepth--; 333 localVoxelDepth--;
434 curHeader = fVoxelHeaderStack[localVoxelDe 334 curHeader = fVoxelHeaderStack[localVoxelDepth];
435 curHeaderAxis = fVoxelAxisStack[localVoxel 335 curHeaderAxis = fVoxelAxisStack[localVoxelDepth];
436 curNodeNo = fVoxelNodeNoStack[localVoxelDe 336 curNodeNo = fVoxelNodeNoStack[localVoxelDepth];
437 curNodeWidth = fVoxelSliceWidthStack[local 337 curNodeWidth = fVoxelSliceWidthStack[localVoxelDepth];
438 curNodeOffset = curNodeNo*curNodeWidth; 338 curNodeOffset = curNodeNo*curNodeWidth;
439 minCurCommonDelta = localPoint(curHeaderAx 339 minCurCommonDelta = localPoint(curHeaderAxis)
440 - curHeader->GetMinExt 340 - curHeader->GetMinExtent() - curNodeOffset;
441 maxCurCommonDelta = curNodeWidth-minCurCom 341 maxCurCommonDelta = curNodeWidth-minCurCommonDelta;
442 342
443 if ( minCurCommonDelta<voxelSafety ) 343 if ( minCurCommonDelta<voxelSafety )
444 { 344 {
445 voxelSafety = minCurCommonDelta; 345 voxelSafety = minCurCommonDelta;
446 } 346 }
447 if ( maxCurCommonDelta<voxelSafety ) 347 if ( maxCurCommonDelta<voxelSafety )
448 { 348 {
449 voxelSafety = maxCurCommonDelta; 349 voxelSafety = maxCurCommonDelta;
450 } 350 }
451 } 351 }
452 if ( voxelSafety<0 ) 352 if ( voxelSafety<0 )
453 { 353 {
454 voxelSafety = 0; 354 voxelSafety = 0;
455 } 355 }
456 356
457 return voxelSafety; 357 return voxelSafety;
458 } 358 }
459 359
460 // ******************************************* 360 // ********************************************************************
461 // LocateNextVoxel 361 // LocateNextVoxel
462 // 362 //
463 // Finds the next voxel from the current voxel 363 // Finds the next voxel from the current voxel and point
464 // in the specified direction 364 // in the specified direction
465 // 365 //
466 // Returns false if all voxels considered 366 // Returns false if all voxels considered
467 // [current Step ends inside same 367 // [current Step ends inside same voxel or leaves all voxels]
468 // true otherwise 368 // true otherwise
469 // [the information on the next v 369 // [the information on the next voxel is put into the set of
470 // fVoxel* variables & "stacks"] 370 // fVoxel* variables & "stacks"]
471 // ******************************************* 371 // ********************************************************************
472 // 372 //
473 G4bool 373 G4bool
474 G4VoxelNavigation::LocateNextVoxel(const G4Thr 374 G4VoxelNavigation::LocateNextVoxel(const G4ThreeVector& localPoint,
475 const G4Thr 375 const G4ThreeVector& localDirection,
476 const G4dou 376 const G4double currentStep)
477 { 377 {
478 G4SmartVoxelHeader *workHeader=nullptr, *new << 378 G4SmartVoxelHeader *workHeader=0, *newHeader=0;
479 G4SmartVoxelProxy *newProxy=nullptr; << 379 G4SmartVoxelProxy *newProxy=0;
480 G4SmartVoxelNode *newVoxelNode=nullptr; << 380 G4SmartVoxelNode *newVoxelNode=0;
481 G4ThreeVector targetPoint, voxelPoint; 381 G4ThreeVector targetPoint, voxelPoint;
482 G4double workNodeWidth, workMinExtent, workC 382 G4double workNodeWidth, workMinExtent, workCoord;
483 G4double minVal, maxVal, newDistance=0.; 383 G4double minVal, maxVal, newDistance=0.;
484 G4double newHeaderMin, newHeaderNodeWidth; 384 G4double newHeaderMin, newHeaderNodeWidth;
485 G4int depth=0, newDepth=0, workNodeNo=0, new 385 G4int depth=0, newDepth=0, workNodeNo=0, newNodeNo=0, newHeaderNoSlices=0;
486 EAxis workHeaderAxis, newHeaderAxis; 386 EAxis workHeaderAxis, newHeaderAxis;
487 G4bool isNewVoxel = false; << 387 G4bool isNewVoxel=false;
488 388
489 G4double currentDistance = currentStep; 389 G4double currentDistance = currentStep;
>> 390 static const G4double sigma = 0.5*G4GeometryTolerance::GetInstance()
>> 391 ->GetSurfaceTolerance();
490 392
491 // Determine if end of Step within current v 393 // Determine if end of Step within current voxel
492 // 394 //
493 for (depth=0; depth<fVoxelDepth; ++depth) << 395 for (depth=0; depth<fVoxelDepth; depth++)
494 { 396 {
495 targetPoint = localPoint+localDirection*cu 397 targetPoint = localPoint+localDirection*currentDistance;
496 newDistance = currentDistance; 398 newDistance = currentDistance;
497 workHeader = fVoxelHeaderStack[depth]; 399 workHeader = fVoxelHeaderStack[depth];
498 workHeaderAxis = fVoxelAxisStack[depth]; 400 workHeaderAxis = fVoxelAxisStack[depth];
499 workNodeNo = fVoxelNodeNoStack[depth]; 401 workNodeNo = fVoxelNodeNoStack[depth];
500 workNodeWidth = fVoxelSliceWidthStack[dept 402 workNodeWidth = fVoxelSliceWidthStack[depth];
501 workMinExtent = workHeader->GetMinExtent() 403 workMinExtent = workHeader->GetMinExtent();
502 workCoord = targetPoint(workHeaderAxis); 404 workCoord = targetPoint(workHeaderAxis);
503 minVal = workMinExtent+workNodeNo*workNode 405 minVal = workMinExtent+workNodeNo*workNodeWidth;
504 406
505 if ( minVal<=workCoord+fHalfTolerance ) << 407 if ( minVal<=workCoord+sigma )
506 { 408 {
507 maxVal = minVal+workNodeWidth; 409 maxVal = minVal+workNodeWidth;
508 if ( maxVal<=workCoord-fHalfTolerance ) << 410 if ( maxVal<=workCoord-sigma )
509 { 411 {
510 // Must consider next voxel 412 // Must consider next voxel
511 // 413 //
512 newNodeNo = workNodeNo+1; 414 newNodeNo = workNodeNo+1;
513 newHeader = workHeader; 415 newHeader = workHeader;
514 newDistance = (maxVal-localPoint(workH 416 newDistance = (maxVal-localPoint(workHeaderAxis))
515 / localDirection(workHeade 417 / localDirection(workHeaderAxis);
516 isNewVoxel = true; 418 isNewVoxel = true;
517 newDepth = depth; 419 newDepth = depth;
518 } 420 }
519 } 421 }
520 else 422 else
521 { 423 {
522 newNodeNo = workNodeNo-1; 424 newNodeNo = workNodeNo-1;
523 newHeader = workHeader; 425 newHeader = workHeader;
524 newDistance = (minVal-localPoint(workHea 426 newDistance = (minVal-localPoint(workHeaderAxis))
525 / localDirection(workHeaderA 427 / localDirection(workHeaderAxis);
526 isNewVoxel = true; 428 isNewVoxel = true;
527 newDepth = depth; 429 newDepth = depth;
528 } 430 }
529 currentDistance = newDistance; 431 currentDistance = newDistance;
530 } 432 }
531 targetPoint = localPoint+localDirection*curr 433 targetPoint = localPoint+localDirection*currentDistance;
532 434
533 // Check if end of Step within collected bou 435 // Check if end of Step within collected boundaries of current voxel
534 // 436 //
535 depth = fVoxelDepth; 437 depth = fVoxelDepth;
536 { 438 {
537 workHeader = fVoxelHeaderStack[depth]; 439 workHeader = fVoxelHeaderStack[depth];
538 workHeaderAxis = fVoxelAxisStack[depth]; 440 workHeaderAxis = fVoxelAxisStack[depth];
539 workNodeNo = fVoxelNodeNoStack[depth]; 441 workNodeNo = fVoxelNodeNoStack[depth];
540 workNodeWidth = fVoxelSliceWidthStack[dept 442 workNodeWidth = fVoxelSliceWidthStack[depth];
541 workMinExtent = workHeader->GetMinExtent() 443 workMinExtent = workHeader->GetMinExtent();
542 workCoord = targetPoint(workHeaderAxis); 444 workCoord = targetPoint(workHeaderAxis);
543 minVal = workMinExtent+fVoxelNode->GetMinE 445 minVal = workMinExtent+fVoxelNode->GetMinEquivalentSliceNo()*workNodeWidth;
544 446
545 if ( minVal<=workCoord+fHalfTolerance ) << 447 if ( minVal<=workCoord+sigma )
546 { 448 {
547 maxVal = workMinExtent+(fVoxelNode->GetM 449 maxVal = workMinExtent+(fVoxelNode->GetMaxEquivalentSliceNo()+1)
548 *workNodeWidth; 450 *workNodeWidth;
549 if ( maxVal<=workCoord-fHalfTolerance ) << 451 if ( maxVal<=workCoord-sigma )
550 { 452 {
551 newNodeNo = fVoxelNode->GetMaxEquivale 453 newNodeNo = fVoxelNode->GetMaxEquivalentSliceNo()+1;
552 newHeader = workHeader; 454 newHeader = workHeader;
553 newDistance = (maxVal-localPoint(workH 455 newDistance = (maxVal-localPoint(workHeaderAxis))
554 / localDirection(workHeade 456 / localDirection(workHeaderAxis);
555 isNewVoxel = true; 457 isNewVoxel = true;
556 newDepth = depth; 458 newDepth = depth;
557 } 459 }
558 } 460 }
559 else 461 else
560 { 462 {
561 newNodeNo = fVoxelNode->GetMinEquivalent 463 newNodeNo = fVoxelNode->GetMinEquivalentSliceNo()-1;
562 newHeader = workHeader; 464 newHeader = workHeader;
563 newDistance = (minVal-localPoint(workHea 465 newDistance = (minVal-localPoint(workHeaderAxis))
564 / localDirection(workHeaderA 466 / localDirection(workHeaderAxis);
565 isNewVoxel = true; 467 isNewVoxel = true;
566 newDepth = depth; 468 newDepth = depth;
567 } 469 }
568 currentDistance = newDistance; 470 currentDistance = newDistance;
569 } 471 }
570 if (isNewVoxel) 472 if (isNewVoxel)
571 { 473 {
572 // Compute new voxel & adjust voxel stack 474 // Compute new voxel & adjust voxel stack
573 // 475 //
574 // newNodeNo=Candidate node no at 476 // newNodeNo=Candidate node no at
575 // newDepth =refinement depth of crossed v 477 // newDepth =refinement depth of crossed voxel boundary
576 // newHeader=Header for crossed voxel 478 // newHeader=Header for crossed voxel
577 // newDistance=distance to crossed voxel b 479 // newDistance=distance to crossed voxel boundary (along the track)
578 // 480 //
579 if ( (newNodeNo<0) || (newNodeNo>=G4int(ne << 481 if ( (newNodeNo<0) || (newNodeNo>=newHeader->GetNoSlices()))
580 { 482 {
581 // Leaving mother volume 483 // Leaving mother volume
582 // 484 //
583 isNewVoxel = false; 485 isNewVoxel = false;
584 } 486 }
585 else 487 else
586 { 488 {
587 // Compute intersection point on the lea 489 // Compute intersection point on the least refined
588 // voxel boundary that is hit 490 // voxel boundary that is hit
589 // 491 //
590 voxelPoint = localPoint+localDirection*n 492 voxelPoint = localPoint+localDirection*newDistance;
591 fVoxelNodeNoStack[newDepth] = newNodeNo; 493 fVoxelNodeNoStack[newDepth] = newNodeNo;
592 fVoxelDepth = newDepth; 494 fVoxelDepth = newDepth;
593 newVoxelNode = nullptr; << 495 newVoxelNode = 0;
594 while ( newVoxelNode == nullptr ) << 496 while ( !newVoxelNode )
595 { 497 {
596 newProxy = newHeader->GetSlice(newNode 498 newProxy = newHeader->GetSlice(newNodeNo);
597 if (newProxy->IsNode()) 499 if (newProxy->IsNode())
598 { 500 {
599 newVoxelNode = newProxy->GetNode(); 501 newVoxelNode = newProxy->GetNode();
600 } 502 }
601 else 503 else
602 { 504 {
603 ++fVoxelDepth; << 505 fVoxelDepth++;
604 newHeader = newProxy->GetHeader(); 506 newHeader = newProxy->GetHeader();
605 newHeaderAxis = newHeader->GetAxis() 507 newHeaderAxis = newHeader->GetAxis();
606 newHeaderNoSlices = (G4int)newHeader << 508 newHeaderNoSlices = newHeader->GetNoSlices();
607 newHeaderMin = newHeader->GetMinExte 509 newHeaderMin = newHeader->GetMinExtent();
608 newHeaderNodeWidth = (newHeader->Get 510 newHeaderNodeWidth = (newHeader->GetMaxExtent()-newHeaderMin)
609 / newHeaderNoSlic 511 / newHeaderNoSlices;
610 newNodeNo = G4int( (voxelPoint(newHe 512 newNodeNo = G4int( (voxelPoint(newHeaderAxis)-newHeaderMin)
611 / newHeaderNodeWi 513 / newHeaderNodeWidth );
612 // Rounding protection 514 // Rounding protection
613 // 515 //
614 if ( newNodeNo<0 ) 516 if ( newNodeNo<0 )
615 { 517 {
616 newNodeNo=0; 518 newNodeNo=0;
617 } 519 }
618 else if ( newNodeNo>=newHeaderNoSlic 520 else if ( newNodeNo>=newHeaderNoSlices )
619 { << 521 {
620 newNodeNo = newHeaderNoSlices-1; << 522 newNodeNo = newHeaderNoSlices-1;
621 } << 523 }
622 // Stack info for stepping 524 // Stack info for stepping
623 // 525 //
624 fVoxelAxisStack[fVoxelDepth] = newHe 526 fVoxelAxisStack[fVoxelDepth] = newHeaderAxis;
625 fVoxelNoSlicesStack[fVoxelDepth] = n 527 fVoxelNoSlicesStack[fVoxelDepth] = newHeaderNoSlices;
626 fVoxelSliceWidthStack[fVoxelDepth] = 528 fVoxelSliceWidthStack[fVoxelDepth] = newHeaderNodeWidth;
627 fVoxelNodeNoStack[fVoxelDepth] = new 529 fVoxelNodeNoStack[fVoxelDepth] = newNodeNo;
628 fVoxelHeaderStack[fVoxelDepth] = new 530 fVoxelHeaderStack[fVoxelDepth] = newHeader;
629 } 531 }
630 } 532 }
631 fVoxelNode = newVoxelNode; 533 fVoxelNode = newVoxelNode;
632 } 534 }
633 } 535 }
634 return isNewVoxel; 536 return isNewVoxel;
635 } 537 }
636 538
637 // ******************************************* 539 // ********************************************************************
638 // ComputeSafety 540 // ComputeSafety
639 // 541 //
640 // Calculates the isotropic distance to the ne 542 // Calculates the isotropic distance to the nearest boundary from the
641 // specified point in the local coordinate sys 543 // specified point in the local coordinate system.
642 // The localpoint utilised must be within the 544 // The localpoint utilised must be within the current volume.
643 // ******************************************* 545 // ********************************************************************
644 // 546 //
645 G4double 547 G4double
646 G4VoxelNavigation::ComputeSafety(const G4Three 548 G4VoxelNavigation::ComputeSafety(const G4ThreeVector& localPoint,
647 const G4Navig 549 const G4NavigationHistory& history,
648 const G4doubl << 550 const G4double maxLength)
649 { 551 {
650 G4VPhysicalVolume *motherPhysical, *samplePh 552 G4VPhysicalVolume *motherPhysical, *samplePhysical;
651 G4LogicalVolume *motherLogical; 553 G4LogicalVolume *motherLogical;
652 G4VSolid *motherSolid; 554 G4VSolid *motherSolid;
653 G4double motherSafety, ourSafety; 555 G4double motherSafety, ourSafety;
654 G4int sampleNo; 556 G4int sampleNo;
655 G4SmartVoxelNode *curVoxelNode; 557 G4SmartVoxelNode *curVoxelNode;
656 G4long curNoVolumes, contentNo; << 558 G4int curNoVolumes, contentNo;
657 G4double voxelSafety; 559 G4double voxelSafety;
658 560
659 motherPhysical = history.GetTopVolume(); 561 motherPhysical = history.GetTopVolume();
660 motherLogical = motherPhysical->GetLogicalVo 562 motherLogical = motherPhysical->GetLogicalVolume();
661 motherSolid = motherLogical->GetSolid(); 563 motherSolid = motherLogical->GetSolid();
662 564
663 if( fBestSafety ) 565 if( fBestSafety )
664 { 566 {
665 return fpVoxelSafety->ComputeSafety( local 567 return fpVoxelSafety->ComputeSafety( localPoint,*motherPhysical,maxLength );
666 } 568 }
667 569
668 // 570 //
669 // Compute mother safety 571 // Compute mother safety
670 // 572 //
671 573
672 motherSafety = motherSolid->DistanceToOut(lo 574 motherSafety = motherSolid->DistanceToOut(localPoint);
673 ourSafety = motherSafety; // 575 ourSafety = motherSafety; // Working isotropic safety
674 576
675 if( motherSafety == 0.0 ) <<
676 { <<
677 #ifdef G4DEBUG_NAVIGATION <<
678 // Check that point is inside mother volum <<
679 EInside insideMother = motherSolid->Insid <<
680 <<
681 if( insideMother == kOutside ) <<
682 { <<
683 G4ExceptionDescription message; <<
684 message << "Safety method called for loc <<
685 << "Location for safety is Outside th <<
686 << "The approximate distance to the s <<
687 << "(safety from outside) is: " <<
688 << motherSolid->DistanceToIn( localPo <<
689 message << " Problem occurred with phys <<
690 << " Name: " << motherPhysical->GetNa <<
691 << " Copy No: " << motherPhysical->Ge <<
692 << " Local Point = " << localPoint <<
693 message << " Description of solid: " << <<
694 << *motherSolid << G4endl; <<
695 G4Exception("G4VoxelNavigation::ComputeS <<
696 JustWarning, message); <<
697 } <<
698 <<
699 // Following check is NOT for an issue - i <<
700 // It is allowed that a solid gives appro <<
701 // <<
702 if( insideMother == kInside ) // && fVerbo <<
703 { <<
704 G4ExceptionDescription messageIn; <<
705 <<
706 messageIn << " Point is Inside, but safe <<
707 messageIn << " Inexact safety for volume <<
708 << " Solid: Name= " << motherSol <<
709 << " Type= " << motherSolid->Ge <<
710 messageIn << " Local point= " << localP <<
711 messageIn << " Solid parameters: " << G <<
712 G4Exception("G4VoxelNavigation::ComputeS <<
713 JustWarning, messageIn); <<
714 } <<
715 #endif <<
716 // if( insideMother != kInside ) <<
717 return 0.0; <<
718 } <<
719 <<
720 #ifdef G4VERBOSE 577 #ifdef G4VERBOSE
721 if( fCheck ) 578 if( fCheck )
722 { 579 {
723 fLogger->ComputeSafetyLog (motherSolid,loc << 580 fLogger->ComputeSafetyLog (motherSolid, localPoint, motherSafety, true);
724 } 581 }
725 #endif 582 #endif
726 // 583 //
727 // Compute daughter safeties 584 // Compute daughter safeties
728 // 585 //
729 // Look only inside the current Voxel only ( 586 // Look only inside the current Voxel only (in the first version).
730 // 587 //
731 curVoxelNode = fVoxelNode; 588 curVoxelNode = fVoxelNode;
732 curNoVolumes = curVoxelNode->GetNoContained( 589 curNoVolumes = curVoxelNode->GetNoContained();
733 590
734 for ( contentNo=curNoVolumes-1; contentNo>=0 591 for ( contentNo=curNoVolumes-1; contentNo>=0; contentNo-- )
735 { 592 {
736 sampleNo = curVoxelNode->GetVolume((G4int) << 593 sampleNo = curVoxelNode->GetVolume(contentNo);
737 samplePhysical = motherLogical->GetDaughte 594 samplePhysical = motherLogical->GetDaughter(sampleNo);
738 595
739 G4AffineTransform sampleTf(samplePhysical- 596 G4AffineTransform sampleTf(samplePhysical->GetRotation(),
740 samplePhysical- 597 samplePhysical->GetTranslation());
741 sampleTf.Invert(); 598 sampleTf.Invert();
742 const G4ThreeVector samplePoint = sampleTf << 599 const G4ThreeVector samplePoint =
743 const G4VSolid* sampleSolid= samplePhysica << 600 sampleTf.TransformPoint(localPoint);
>> 601 const G4VSolid *sampleSolid =
>> 602 samplePhysical->GetLogicalVolume()->GetSolid();
744 G4double sampleSafety = sampleSolid->Dista 603 G4double sampleSafety = sampleSolid->DistanceToIn(samplePoint);
745 if ( sampleSafety<ourSafety ) 604 if ( sampleSafety<ourSafety )
746 { 605 {
747 ourSafety = sampleSafety; 606 ourSafety = sampleSafety;
748 } 607 }
749 #ifdef G4VERBOSE 608 #ifdef G4VERBOSE
750 if( fCheck ) 609 if( fCheck )
751 { 610 {
752 fLogger->ComputeSafetyLog(sampleSolid, s << 611 fLogger->ComputeSafetyLog (sampleSolid,samplePoint,sampleSafety,false);
753 sampleSafety, <<
754 } 612 }
755 #endif 613 #endif
756 } 614 }
757 voxelSafety = ComputeVoxelSafety(localPoint) 615 voxelSafety = ComputeVoxelSafety(localPoint);
758 if ( voxelSafety<ourSafety ) 616 if ( voxelSafety<ourSafety )
759 { 617 {
760 ourSafety = voxelSafety; 618 ourSafety = voxelSafety;
761 } 619 }
762 return ourSafety; 620 return ourSafety;
763 } 621 }
764 622
765 void G4VoxelNavigation::RelocateWithinVolume( <<
766 <<
767 { <<
768 auto motherLogical = motherPhysical->GetLogi <<
769 <<
770 assert(motherLogical != nullptr); <<
771 <<
772 if ( auto pVoxelHeader = motherLogical->GetV <<
773 VoxelLocate( pVoxelHeader, localPoint ); <<
774 } <<
775 <<
776 // ******************************************* 623 // ********************************************************************
777 // SetVerboseLevel 624 // SetVerboseLevel
778 // ******************************************* 625 // ********************************************************************
779 // 626 //
780 void G4VoxelNavigation::SetVerboseLevel(G4int 627 void G4VoxelNavigation::SetVerboseLevel(G4int level)
781 { 628 {
782 if( fLogger != nullptr ) { fLogger->SetVerbo << 629 if( fLogger ) fLogger->SetVerboseLevel(level);
783 if( fpVoxelSafety != nullptr) { fpVoxelSafet << 630 if( fpVoxelSafety) fpVoxelSafety->SetVerboseLevel( level );
784 } 631 }
785 632