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1 // 1 //
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // Author: John Apostolakis 27 // Author: John Apostolakis
28 // First version: 31 May 2010 28 // First version: 31 May 2010
29 // 29 //
30 // ------------------------------------------- 30 // --------------------------------------------------------------------
31 #include "G4VoxelSafety.hh" 31 #include "G4VoxelSafety.hh"
32 32
33 #include "G4GeometryTolerance.hh" 33 #include "G4GeometryTolerance.hh"
34 34
35 #include "G4SmartVoxelProxy.hh" 35 #include "G4SmartVoxelProxy.hh"
36 #include "G4SmartVoxelNode.hh" 36 #include "G4SmartVoxelNode.hh"
37 #include "G4SmartVoxelHeader.hh" 37 #include "G4SmartVoxelHeader.hh"
38 38
39 // ******************************************* 39 // ********************************************************************
40 // Constructor 40 // Constructor
41 // - copied from G4VoxelNavigation (1st v 41 // - copied from G4VoxelNavigation (1st version)
42 // ******************************************* 42 // ********************************************************************
43 // 43 //
44 G4VoxelSafety::G4VoxelSafety() 44 G4VoxelSafety::G4VoxelSafety()
45 : fVoxelAxisStack(kNavigatorVoxelStackMax,kX << 45 : fBlockList(),
>> 46 fVoxelAxisStack(kNavigatorVoxelStackMax,kXAxis),
46 fVoxelNoSlicesStack(kNavigatorVoxelStackMa 47 fVoxelNoSlicesStack(kNavigatorVoxelStackMax,0),
47 fVoxelSliceWidthStack(kNavigatorVoxelStack 48 fVoxelSliceWidthStack(kNavigatorVoxelStackMax,0.),
48 fVoxelNodeNoStack(kNavigatorVoxelStackMax, 49 fVoxelNodeNoStack(kNavigatorVoxelStackMax,0),
49 fVoxelHeaderStack(kNavigatorVoxelStackMax, 50 fVoxelHeaderStack(kNavigatorVoxelStackMax,(G4SmartVoxelHeader*)nullptr)
50 { 51 {
51 kCarTolerance = G4GeometryTolerance::GetInst 52 kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
52 } 53 }
53 54
54 // ******************************************* 55 // ********************************************************************
55 // Destructor 56 // Destructor
56 // ******************************************* 57 // ********************************************************************
57 // 58 //
58 G4VoxelSafety::~G4VoxelSafety() = default; << 59 G4VoxelSafety::~G4VoxelSafety()
>> 60 {
>> 61 }
59 62
60 // ******************************************* 63 // ********************************************************************
61 // ComputeSafety 64 // ComputeSafety
62 // 65 //
63 // Calculates the isotropic distance to the ne 66 // Calculates the isotropic distance to the nearest boundary from the
64 // specified point in the local coordinate sys 67 // specified point in the local coordinate system.
65 // The localpoint utilised must be within the 68 // The localpoint utilised must be within the current volume.
66 // ******************************************* 69 // ********************************************************************
67 // 70 //
68 G4double 71 G4double
69 G4VoxelSafety::ComputeSafety(const G4ThreeVect 72 G4VoxelSafety::ComputeSafety(const G4ThreeVector& localPoint,
70 const G4VPhysical 73 const G4VPhysicalVolume& currentPhysical,
71 G4double ma 74 G4double maxLength)
72 { 75 {
73 G4LogicalVolume *motherLogical; 76 G4LogicalVolume *motherLogical;
74 G4VSolid *motherSolid; 77 G4VSolid *motherSolid;
75 G4SmartVoxelHeader *motherVoxelHeader; 78 G4SmartVoxelHeader *motherVoxelHeader;
76 G4double motherSafety, ourSafety; 79 G4double motherSafety, ourSafety;
77 G4int localNoDaughters; 80 G4int localNoDaughters;
78 G4double daughterSafety; 81 G4double daughterSafety;
79 82
80 motherLogical = currentPhysical.GetLogicalVo 83 motherLogical = currentPhysical.GetLogicalVolume();
81 fpMotherLogical= motherLogical; // For use 84 fpMotherLogical= motherLogical; // For use by the other methods
82 motherSolid = motherLogical->GetSolid(); 85 motherSolid = motherLogical->GetSolid();
83 motherVoxelHeader = motherLogical->GetVoxelH 86 motherVoxelHeader = motherLogical->GetVoxelHeader();
84 87
85 #ifdef G4VERBOSE 88 #ifdef G4VERBOSE
86 if( fVerbose > 0 ) 89 if( fVerbose > 0 )
87 { 90 {
88 G4cout << "*** G4VoxelSafety::ComputeSafet 91 G4cout << "*** G4VoxelSafety::ComputeSafety(): ***" << G4endl;
89 } 92 }
90 #endif 93 #endif
91 94
92 // Check that point is inside mother volume 95 // Check that point is inside mother volume
93 // 96 //
94 EInside insideMother = motherSolid->Inside( 97 EInside insideMother = motherSolid->Inside(localPoint);
95 if( insideMother != kInside ) 98 if( insideMother != kInside )
96 { 99 {
97 #ifdef G4DEBUG_NAVIGATION 100 #ifdef G4DEBUG_NAVIGATION
98 if( insideMother == kOutside ) 101 if( insideMother == kOutside )
99 { 102 {
100 std::ostringstream message; 103 std::ostringstream message;
101 message << "Safety method called for loc 104 message << "Safety method called for location outside current Volume."
102 << G4endl 105 << G4endl
103 << "Location for safety is Outsi 106 << "Location for safety is Outside this volume. " << G4endl
104 << "The approximate distance to 107 << "The approximate distance to the solid "
105 << "(safety from outside) is: " 108 << "(safety from outside) is: "
106 << motherSolid->DistanceToIn( lo 109 << motherSolid->DistanceToIn( localPoint ) << G4endl;
107 message << " Problem occurred with phys 110 message << " Problem occurred with physical volume: "
108 << " Name: " << currentPhysical. 111 << " Name: " << currentPhysical.GetName()
109 << " Copy No: " << currentPhysic 112 << " Copy No: " << currentPhysical.GetCopyNo() << G4endl
110 << " Local Point = " << local 113 << " Local Point = " << localPoint << G4endl;
111 message << " Description of solid: " << 114 message << " Description of solid: " << G4endl
112 << *motherSolid << G4endl; 115 << *motherSolid << G4endl;
113 G4Exception("G4VoxelSafety::ComputeSafet 116 G4Exception("G4VoxelSafety::ComputeSafety()", "GeomNav0003",
114 FatalException, message); 117 FatalException, message);
115 } 118 }
116 #endif 119 #endif
117 return 0.0; 120 return 0.0;
118 } 121 }
119 122
120 // First limit: mother safety - distance t 123 // First limit: mother safety - distance to outer boundaries
121 // 124 //
122 motherSafety = motherSolid->DistanceToOut(lo 125 motherSafety = motherSolid->DistanceToOut(localPoint);
123 ourSafety = motherSafety; // 126 ourSafety = motherSafety; // Working isotropic safety
124 127
125 #ifdef G4VERBOSE 128 #ifdef G4VERBOSE
126 if(( fCheck ) ) // && ( fVerbose == 1 )) 129 if(( fCheck ) ) // && ( fVerbose == 1 ))
127 { 130 {
128 G4cout << " Invoked DistanceToOut(p) fo 131 G4cout << " Invoked DistanceToOut(p) for mother solid: "
129 << motherSolid->GetName() 132 << motherSolid->GetName()
130 << ". Solid replied: " << motherSaf 133 << ". Solid replied: " << motherSafety << G4endl
131 << " For local point p: " << loc 134 << " For local point p: " << localPoint
132 << ", to be considered as 'mother s 135 << ", to be considered as 'mother safety'." << G4endl;
133 } 136 }
134 #endif 137 #endif
135 localNoDaughters = (G4int)motherLogical->Get << 138 localNoDaughters = motherLogical->GetNoDaughters();
136 139
137 fBlockList.Enlarge(localNoDaughters); 140 fBlockList.Enlarge(localNoDaughters);
138 fBlockList.Reset(); 141 fBlockList.Reset();
139 142
140 fVoxelDepth = -1; // Resets the depth -- mu 143 fVoxelDepth = -1; // Resets the depth -- must be done for next method
141 daughterSafety= SafetyForVoxelHeader(motherV 144 daughterSafety= SafetyForVoxelHeader(motherVoxelHeader, localPoint, maxLength,
142 current 145 currentPhysical, 0.0, ourSafety);
143 ourSafety= std::min( motherSafety, daughterS 146 ourSafety= std::min( motherSafety, daughterSafety );
144 147
145 return ourSafety; 148 return ourSafety;
146 } 149 }
147 150
148 // ******************************************* 151 // ********************************************************************
149 // SafetyForVoxelNode 152 // SafetyForVoxelNode
150 // 153 //
151 // Calculate the safety for volumes included i 154 // Calculate the safety for volumes included in current Voxel Node
152 // ******************************************* 155 // ********************************************************************
153 // 156 //
154 G4double 157 G4double
155 G4VoxelSafety::SafetyForVoxelNode( const G4Sma 158 G4VoxelSafety::SafetyForVoxelNode( const G4SmartVoxelNode* curVoxelNode,
156 const G4Thr 159 const G4ThreeVector& localPoint )
157 { 160 {
158 G4double ourSafety = DBL_MAX; 161 G4double ourSafety = DBL_MAX;
159 162
160 G4long curNoVolumes, contentNo; << 163 G4int curNoVolumes, contentNo, sampleNo;
161 G4int sampleNo; <<
162 G4VPhysicalVolume* samplePhysical; 164 G4VPhysicalVolume* samplePhysical;
163 165
164 G4double sampleSafety = 0.0; 166 G4double sampleSafety = 0.0;
165 G4ThreeVector samplePoint; 167 G4ThreeVector samplePoint;
166 G4VSolid* ptrSolid = nullptr; 168 G4VSolid* ptrSolid = nullptr;
167 169
168 curNoVolumes = curVoxelNode->GetNoContained 170 curNoVolumes = curVoxelNode->GetNoContained();
169 171
170 for ( contentNo=curNoVolumes-1; contentNo>= 172 for ( contentNo=curNoVolumes-1; contentNo>=0; contentNo-- )
171 { 173 {
172 sampleNo = curVoxelNode->GetVolume((G4in << 174 sampleNo = curVoxelNode->GetVolume(contentNo);
173 if ( !fBlockList.IsBlocked(sampleNo) ) 175 if ( !fBlockList.IsBlocked(sampleNo) )
174 { 176 {
175 fBlockList.BlockVolume(sampleNo); 177 fBlockList.BlockVolume(sampleNo);
176 178
177 samplePhysical = fpMotherLogical->GetD 179 samplePhysical = fpMotherLogical->GetDaughter(sampleNo);
178 G4AffineTransform sampleTf(samplePhysi 180 G4AffineTransform sampleTf(samplePhysical->GetRotation(),
179 samplePhysi 181 samplePhysical->GetTranslation());
180 sampleTf.Invert(); 182 sampleTf.Invert();
181 samplePoint = sampleTf.TransformPoint( 183 samplePoint = sampleTf.TransformPoint(localPoint);
182 ptrSolid = samplePhysical->GetLogicalV 184 ptrSolid = samplePhysical->GetLogicalVolume()->GetSolid();
183 185
184 sampleSafety = ptrSolid->DistanceToIn( 186 sampleSafety = ptrSolid->DistanceToIn(samplePoint);
185 ourSafety = std::min( sampleSafety, ou 187 ourSafety = std::min( sampleSafety, ourSafety );
186 #ifdef G4VERBOSE 188 #ifdef G4VERBOSE
187 if(( fCheck ) && ( fVerbose == 1 )) 189 if(( fCheck ) && ( fVerbose == 1 ))
188 { 190 {
189 G4cout << "*** G4VoxelSafety::Safety 191 G4cout << "*** G4VoxelSafety::SafetyForVoxelNode(): ***" << G4endl
190 << " Invoked DistanceToIn( 192 << " Invoked DistanceToIn(p) for daughter solid: "
191 << ptrSolid->GetName() 193 << ptrSolid->GetName()
192 << ". Solid replied: " << sam 194 << ". Solid replied: " << sampleSafety << G4endl
193 << " For local point p: " 195 << " For local point p: " << samplePoint
194 << ", to be considered as 'da 196 << ", to be considered as 'daughter safety'." << G4endl;
195 } 197 }
196 #endif 198 #endif
197 } 199 }
198 } // end for contentNo 200 } // end for contentNo
199 201
200 return ourSafety; 202 return ourSafety;
201 } 203 }
202 204
203 // ******************************************* 205 // ********************************************************************
204 // SafetyForVoxelHeader 206 // SafetyForVoxelHeader
205 // 207 //
206 // Cycles through levels of headers to process 208 // Cycles through levels of headers to process each node level
207 // Obtained by modifying VoxelLocate (to cycle 209 // Obtained by modifying VoxelLocate (to cycle through Node Headers)
208 // ******************************************* 210 // *********************************************************************
209 // 211 //
210 G4double 212 G4double
211 G4VoxelSafety::SafetyForVoxelHeader( const G4S 213 G4VoxelSafety::SafetyForVoxelHeader( const G4SmartVoxelHeader* pHeader,
212 const G4T 214 const G4ThreeVector& localPoint,
213 G4d 215 G4double maxLength,
214 const G4V 216 const G4VPhysicalVolume& currentPhysical, //Debug
215 G4d 217 G4double distUpperDepth_Sq,
216 G4d 218 G4double previousMinSafety
217 ) 219 )
218 { 220 {
219 const G4SmartVoxelHeader* const targetVoxelH 221 const G4SmartVoxelHeader* const targetVoxelHeader = pHeader;
220 G4SmartVoxelNode* targetVoxelNode = nullptr; 222 G4SmartVoxelNode* targetVoxelNode = nullptr;
221 223
222 const G4SmartVoxelProxy* sampleProxy; 224 const G4SmartVoxelProxy* sampleProxy;
223 EAxis targetHeaderAxis; 225 EAxis targetHeaderAxis;
224 G4double targetHeaderMin, targetHeaderMax, t 226 G4double targetHeaderMin, targetHeaderMax, targetHeaderNodeWidth;
225 G4int targetHeaderNoSlices; 227 G4int targetHeaderNoSlices;
226 G4int targetNodeNo; 228 G4int targetNodeNo;
227 229
228 G4double minSafety = previousMinSafety; 230 G4double minSafety = previousMinSafety;
229 G4double ourSafety = DBL_MAX; 231 G4double ourSafety = DBL_MAX;
230 unsigned int checkedNum= 0; 232 unsigned int checkedNum= 0;
231 233
232 ++fVoxelDepth; 234 ++fVoxelDepth;
233 // fVoxelDepth set by ComputeSafety or prev 235 // fVoxelDepth set by ComputeSafety or previous level call
234 236
235 targetHeaderAxis = targetVoxelHeader->G 237 targetHeaderAxis = targetVoxelHeader->GetAxis();
236 targetHeaderNoSlices = (G4int)targetVoxelHe << 238 targetHeaderNoSlices = targetVoxelHeader->GetNoSlices();
237 targetHeaderMin = targetVoxelHeader->G 239 targetHeaderMin = targetVoxelHeader->GetMinExtent();
238 targetHeaderMax = targetVoxelHeader->G 240 targetHeaderMax = targetVoxelHeader->GetMaxExtent();
239 241
240 targetHeaderNodeWidth = (targetHeaderMax-tar 242 targetHeaderNodeWidth = (targetHeaderMax-targetHeaderMin)
241 / targetHeaderNoSlic 243 / targetHeaderNoSlices;
242 244
243 G4double localCrd = localPoint(targetHeaderA 245 G4double localCrd = localPoint(targetHeaderAxis);
244 246
245 const auto candNodeNo = G4int( (localCrd-ta << 247 const G4int candNodeNo = G4int( (localCrd-targetHeaderMin)
246 / targetHeade 248 / targetHeaderNodeWidth );
247 // Ensure that it is between 0 and targetHea 249 // Ensure that it is between 0 and targetHeader->GetMaxExtent() - 1
248 250
249 #ifdef G4DEBUG_VOXELISATION 251 #ifdef G4DEBUG_VOXELISATION
250 if( candNodeNo < 0 || candNodeNo > targetHea 252 if( candNodeNo < 0 || candNodeNo > targetHeaderNoSlices-1 )
251 { 253 {
252 G4ExceptionDescription ed; 254 G4ExceptionDescription ed;
253 ed << " Potential ERROR." 255 ed << " Potential ERROR."
254 << " Point is outside range of Voxel i 256 << " Point is outside range of Voxel in current coordinate" << G4endl;
255 ed << " Node number of point " << localP 257 ed << " Node number of point " << localPoint
256 << "is outside the range. " << G4endl; 258 << "is outside the range. " << G4endl;
257 ed << " Voxel node Num= " << candNodeN 259 ed << " Voxel node Num= " << candNodeNo << " versus minimum= " << 0
258 << " and maximum= " << targetHeaderNoS 260 << " and maximum= " << targetHeaderNoSlices-1 << G4endl;
259 ed << " Axis = " << targetHeaderAxis 261 ed << " Axis = " << targetHeaderAxis
260 << " No of slices = " << targetHeader 262 << " No of slices = " << targetHeaderNoSlices << G4endl;
261 ed << " Local coord = " << localCrd 263 ed << " Local coord = " << localCrd
262 << " Voxel Min = " << targetHeaderMin 264 << " Voxel Min = " << targetHeaderMin
263 << " Max = " << targetHeade 265 << " Max = " << targetHeaderMax << G4endl;
264 G4LogicalVolume *pLogical= currentPhysica 266 G4LogicalVolume *pLogical= currentPhysical.GetLogicalVolume();
265 ed << " Current volume (physical) = " << 267 ed << " Current volume (physical) = " << currentPhysical.GetName()
266 << " (logical) = " << pLogical->GetN 268 << " (logical) = " << pLogical->GetName() << G4endl;
267 G4VSolid* pSolid= pLogical->GetSolid(); 269 G4VSolid* pSolid= pLogical->GetSolid();
268 ed << " Solid type = " << pSolid->GetEnt 270 ed << " Solid type = " << pSolid->GetEntityType() << G4endl;
269 ed << *pSolid << G4endl; 271 ed << *pSolid << G4endl;
270 G4Exception("G4VoxelSafety::SafetyForVoxe 272 G4Exception("G4VoxelSafety::SafetyForVoxelHeader()", "GeomNav1003",
271 JustWarning, ed, 273 JustWarning, ed,
272 "Point is outside range of Vo 274 "Point is outside range of Voxel in current coordinate");
273 } 275 }
274 #endif 276 #endif
275 277
276 const G4int pointNodeNo = 278 const G4int pointNodeNo =
277 std::max( 0, std::min( candNodeN 279 std::max( 0, std::min( candNodeNo, targetHeaderNoSlices-1 ) );
278 280
279 #ifdef G4VERBOSE 281 #ifdef G4VERBOSE
280 if( fVerbose > 2 ) 282 if( fVerbose > 2 )
281 { 283 {
282 G4cout << G4endl; 284 G4cout << G4endl;
283 G4cout << "**** G4VoxelSafety::SafetyForVo 285 G4cout << "**** G4VoxelSafety::SafetyForVoxelHeader " << G4endl;
284 G4cout << " Called at Depth = " << fV 286 G4cout << " Called at Depth = " << fVoxelDepth;
285 G4cout << " Calculated pointNodeNo= " << p 287 G4cout << " Calculated pointNodeNo= " << pointNodeNo
286 << " from position= " << localPoi 288 << " from position= " << localPoint(targetHeaderAxis)
287 << " min= " << targetHeaderMin 289 << " min= " << targetHeaderMin
288 << " max= " << targetHeaderMax 290 << " max= " << targetHeaderMax
289 << " width= " << targetHeaderNode 291 << " width= " << targetHeaderNodeWidth
290 << " no-slices= " << targetHeaderN 292 << " no-slices= " << targetHeaderNoSlices
291 << " axis= " << targetHeaderAxis 293 << " axis= " << targetHeaderAxis << G4endl;
292 } 294 }
293 else if (fVerbose == 1) 295 else if (fVerbose == 1)
294 { 296 {
295 G4cout << " VoxelSafety: Depth = " << fVo 297 G4cout << " VoxelSafety: Depth = " << fVoxelDepth
296 << " Number of Slices = " << target 298 << " Number of Slices = " << targetHeaderNoSlices
297 << " Header (address) = " << target 299 << " Header (address) = " << targetVoxelHeader << G4endl;
298 } 300 }
299 #endif 301 #endif
300 302
301 // Stack info for stepping 303 // Stack info for stepping
302 // 304 //
303 fVoxelAxisStack[fVoxelDepth] = targetHeaderA 305 fVoxelAxisStack[fVoxelDepth] = targetHeaderAxis;
304 fVoxelNoSlicesStack[fVoxelDepth] = targetHea 306 fVoxelNoSlicesStack[fVoxelDepth] = targetHeaderNoSlices;
305 fVoxelSliceWidthStack[fVoxelDepth] = targetH 307 fVoxelSliceWidthStack[fVoxelDepth] = targetHeaderNodeWidth;
306 308
307 fVoxelHeaderStack[fVoxelDepth] = pHeader; 309 fVoxelHeaderStack[fVoxelDepth] = pHeader;
308 310
309 G4int trialUp = -1, trialDown = -1; 311 G4int trialUp = -1, trialDown = -1;
310 G4double distUp = DBL_MAX, distDown = DBL_MA 312 G4double distUp = DBL_MAX, distDown = DBL_MAX;
311 313
312 // Using Equivalent voxels - this is pre-ini 314 // Using Equivalent voxels - this is pre-initialisation only
313 // 315 //
314 G4int nextUp = pointNodeNo+1; 316 G4int nextUp = pointNodeNo+1;
315 G4int nextDown = pointNodeNo-1; 317 G4int nextDown = pointNodeNo-1;
316 318
317 G4int nextNodeNo = pointNodeNo; 319 G4int nextNodeNo = pointNodeNo;
318 G4double distAxis; // Distance in current A 320 G4double distAxis; // Distance in current Axis
319 distAxis = 0.0; // Starting in node contain 321 distAxis = 0.0; // Starting in node containing local Coordinate
320 322
321 G4bool nextIsInside = false; 323 G4bool nextIsInside = false;
322 324
323 G4double distMaxInterest= std::min( previous 325 G4double distMaxInterest= std::min( previousMinSafety, maxLength);
324 // We will not look beyond this distance. 326 // We will not look beyond this distance.
325 // This distance will be updated to reflec 327 // This distance will be updated to reflect the
326 // max ( minSafety, maxLength ) at each st 328 // max ( minSafety, maxLength ) at each step
327 329
328 targetNodeNo = pointNodeNo; 330 targetNodeNo = pointNodeNo;
329 do 331 do
330 { 332 {
331 G4double nodeSafety = DBL_MAX, headerSafe 333 G4double nodeSafety = DBL_MAX, headerSafety = DBL_MAX;
332 fVoxelNodeNoStack[fVoxelDepth] = targetNo 334 fVoxelNodeNoStack[fVoxelDepth] = targetNodeNo;
333 335
334 ++checkedNum; 336 ++checkedNum;
335 337
336 sampleProxy = targetVoxelHeader->GetSlice 338 sampleProxy = targetVoxelHeader->GetSlice(targetNodeNo);
337 339
338 #ifdef G4DEBUG_NAVIGATION 340 #ifdef G4DEBUG_NAVIGATION
339 assert( sampleProxy != 0); 341 assert( sampleProxy != 0);
340 if( fVerbose > 2 ) 342 if( fVerbose > 2 )
341 { 343 {
342 G4cout << " -Checking node " << targetN 344 G4cout << " -Checking node " << targetNodeNo
343 << " is proxy with address " << 345 << " is proxy with address " << sampleProxy << G4endl;
344 } 346 }
345 #endif 347 #endif
346 348
347 if ( sampleProxy == nullptr ) << 349 if ( sampleProxy == 0 )
348 { 350 {
349 G4ExceptionDescription ed; 351 G4ExceptionDescription ed;
350 ed << " Problem for node number= " << t 352 ed << " Problem for node number= " << targetNodeNo
351 << " Number of slides = " << targ 353 << " Number of slides = " << targetHeaderNoSlices
352 << G4endl; 354 << G4endl;
353 G4Exception( "G4VoxelSafety::SafetyForV 355 G4Exception( "G4VoxelSafety::SafetyForVoxelHeader()", "GeomNav0003",
354 FatalException, ed, 356 FatalException, ed,
355 "Problem sampleProxy is Ze 357 "Problem sampleProxy is Zero. Failure in loop.");
356 } 358 }
357 else if ( sampleProxy->IsNode() ) 359 else if ( sampleProxy->IsNode() )
358 { 360 {
359 targetVoxelNode = sampleProxy->GetNode( 361 targetVoxelNode = sampleProxy->GetNode();
360 362
361 // Deal with the node here [ i.e. the l 363 // Deal with the node here [ i.e. the last level ]
362 // 364 //
363 nodeSafety= SafetyForVoxelNode( targetV 365 nodeSafety= SafetyForVoxelNode( targetVoxelNode, localPoint);
364 #ifdef G4DEBUG_NAVIGATION 366 #ifdef G4DEBUG_NAVIGATION
365 if( fVerbose > 2 ) 367 if( fVerbose > 2 )
366 { 368 {
367 G4cout << " -- It is a Node "; 369 G4cout << " -- It is a Node ";
368 G4cout << " its safety= " << node 370 G4cout << " its safety= " << nodeSafety
369 << " our level Saf = " << our 371 << " our level Saf = " << ourSafety
370 << " MinSaf= " << minSafety 372 << " MinSaf= " << minSafety << G4endl;
371 } 373 }
372 #endif 374 #endif
373 ourSafety= std::min( ourSafety, nodeSa 375 ourSafety= std::min( ourSafety, nodeSafety );
374 376
375 trialUp = targetVoxelNode->GetMaxEquiv 377 trialUp = targetVoxelNode->GetMaxEquivalentSliceNo()+1;
376 trialDown = targetVoxelNode->GetMinEqu 378 trialDown = targetVoxelNode->GetMinEquivalentSliceNo()-1;
377 } 379 }
378 else 380 else
379 { 381 {
380 const G4SmartVoxelHeader* pNewVoxelHea 382 const G4SmartVoxelHeader* pNewVoxelHeader = sampleProxy->GetHeader();
381 383
382 G4double distCombined_Sq; 384 G4double distCombined_Sq;
383 distCombined_Sq = distUpperDepth_Sq + 385 distCombined_Sq = distUpperDepth_Sq + distAxis*distAxis;
384 386
385 #ifdef G4DEBUG_NAVIGATION 387 #ifdef G4DEBUG_NAVIGATION
386 if( fVerbose > 2 ) 388 if( fVerbose > 2 )
387 { 389 {
388 G4double distCombined= std::sqrt( di 390 G4double distCombined= std::sqrt( distCombined_Sq );
389 G4double distUpperDepth= std::sqrt ( 391 G4double distUpperDepth= std::sqrt ( distUpperDepth_Sq );
390 G4cout << " -- It is a Header " << G 392 G4cout << " -- It is a Header " << G4endl;
391 G4cout << " Recurse to deal with ne 393 G4cout << " Recurse to deal with next level, fVoxelDepth= "
392 << fVoxelDepth+1 << G4endl; 394 << fVoxelDepth+1 << G4endl;
393 G4cout << " Distances: Upper= " << 395 G4cout << " Distances: Upper= " << distUpperDepth
394 << " Axis= " << distAxis 396 << " Axis= " << distAxis
395 << " Combined= " << distCombi 397 << " Combined= " << distCombined << G4endl;
396 } 398 }
397 #endif 399 #endif
398 400
399 // Recurse to deal with lower levels 401 // Recurse to deal with lower levels
400 // 402 //
401 headerSafety= SafetyForVoxelHeader( pN 403 headerSafety= SafetyForVoxelHeader( pNewVoxelHeader, localPoint,
402 ma 404 maxLength, currentPhysical,
403 di 405 distCombined_Sq, minSafety);
404 ourSafety = std::min( ourSafety, heade 406 ourSafety = std::min( ourSafety, headerSafety );
405 407
406 #ifdef G4DEBUG_NAVIGATION 408 #ifdef G4DEBUG_NAVIGATION
407 if( fVerbose > 2 ) 409 if( fVerbose > 2 )
408 { 410 {
409 G4cout << " >> Header safety = 411 G4cout << " >> Header safety = " << headerSafety
410 << " our level Saf = " << our 412 << " our level Saf = " << ourSafety << G4endl;
411 } 413 }
412 #endif 414 #endif
413 trialUp = pNewVoxelHeader->GetMaxEqu 415 trialUp = pNewVoxelHeader->GetMaxEquivalentSliceNo()+1;
414 trialDown = pNewVoxelHeader->GetMinEqu 416 trialDown = pNewVoxelHeader->GetMinEquivalentSliceNo()-1;
415 } 417 }
416 minSafety = std::min( minSafety, ourSafet 418 minSafety = std::min( minSafety, ourSafety );
417 419
418 // Find next closest Voxel 420 // Find next closest Voxel
419 // - first try: by simple subtraction 421 // - first try: by simple subtraction
420 // - later: using distance (TODO - t 422 // - later: using distance (TODO - tbc)
421 // 423 //
422 if( targetNodeNo >= pointNodeNo ) 424 if( targetNodeNo >= pointNodeNo )
423 { 425 {
424 nextUp = trialUp; 426 nextUp = trialUp;
425 // distUp = std::max( targetHeaderMa 427 // distUp = std::max( targetHeaderMax-localCrd, 0.0 );
426 G4double lowerEdgeOfNext = targetHeade 428 G4double lowerEdgeOfNext = targetHeaderMin
427 + nextUp * ta 429 + nextUp * targetHeaderNodeWidth;
428 distUp = lowerEdgeOfNext-localCrd ; 430 distUp = lowerEdgeOfNext-localCrd ;
429 if( distUp < 0.0 ) 431 if( distUp < 0.0 )
430 { 432 {
431 distUp = DBL_MAX; // On the wrong 433 distUp = DBL_MAX; // On the wrong side - must not be considered
432 } 434 }
433 #ifdef G4DEBUG_NAVIGATION 435 #ifdef G4DEBUG_NAVIGATION
434 if( fVerbose > 2 ) 436 if( fVerbose > 2 )
435 { 437 {
436 G4cout << " > Updated nextUp= " << ne 438 G4cout << " > Updated nextUp= " << nextUp << G4endl;
437 } 439 }
438 #endif 440 #endif
439 } 441 }
440 442
441 if( targetNodeNo <= pointNodeNo ) 443 if( targetNodeNo <= pointNodeNo )
442 { 444 {
443 nextDown = trialDown; 445 nextDown = trialDown;
444 // distDown = std::max( localCrd-targ 446 // distDown = std::max( localCrd-targetHeaderMin, 0.0);
445 G4double upperEdgeOfNext = targetHead 447 G4double upperEdgeOfNext = targetHeaderMin
446 + (nextDown+ 448 + (nextDown+1) * targetHeaderNodeWidth;
447 distDown = localCrd-upperEdgeOfNext; 449 distDown = localCrd-upperEdgeOfNext;
448 if( distDown < 0.0 ) 450 if( distDown < 0.0 )
449 { 451 {
450 distDown= DBL_MAX; // On the wrong 452 distDown= DBL_MAX; // On the wrong side - must not be considered
451 } 453 }
452 #ifdef G4DEBUG_NAVIGATION 454 #ifdef G4DEBUG_NAVIGATION
453 if( fVerbose > 2 ) 455 if( fVerbose > 2 )
454 { 456 {
455 G4cout << " > Updated nextDown= " << 457 G4cout << " > Updated nextDown= " << nextDown << G4endl;
456 } 458 }
457 #endif 459 #endif
458 } 460 }
459 461
460 #ifdef G4DEBUG_NAVIGATION 462 #ifdef G4DEBUG_NAVIGATION
461 if( fVerbose > 2 ) 463 if( fVerbose > 2 )
462 { 464 {
463 G4cout << " Node= " << pointNodeNo 465 G4cout << " Node= " << pointNodeNo
464 << " Up: next= " << nextUp << 466 << " Up: next= " << nextUp << " d# "
465 << nextUp - pointNodeNo 467 << nextUp - pointNodeNo
466 << " trialUp= " << trialUp << " 468 << " trialUp= " << trialUp << " d# "
467 << trialUp - pointNodeNo 469 << trialUp - pointNodeNo
468 << " Down: next= " << nextDown < 470 << " Down: next= " << nextDown << " d# "
469 << targetNodeNo - nextDown 471 << targetNodeNo - nextDown
470 << " trialDwn= " << trialDown << 472 << " trialDwn= " << trialDown << " d# "
471 << targetNodeNo - trialDown 473 << targetNodeNo - trialDown
472 << " condition (next is Inside)= 474 << " condition (next is Inside)= " << nextIsInside
473 << G4endl; 475 << G4endl;
474 } 476 }
475 #endif 477 #endif
476 478
477 G4bool UpIsClosest; 479 G4bool UpIsClosest;
478 UpIsClosest = distUp < distDown; 480 UpIsClosest = distUp < distDown;
479 481
480 if( (nextUp < targetHeaderNoSlices) 482 if( (nextUp < targetHeaderNoSlices)
481 && (UpIsClosest || (nextDown < 0)) ) 483 && (UpIsClosest || (nextDown < 0)) )
482 { 484 {
483 nextNodeNo = nextUp; 485 nextNodeNo = nextUp;
484 distAxis = distUp; 486 distAxis = distUp;
485 ++nextUp; // Default 487 ++nextUp; // Default
486 #ifdef G4VERBOSE 488 #ifdef G4VERBOSE
487 if( fVerbose > 2 ) 489 if( fVerbose > 2 )
488 { 490 {
489 G4cout << " > Chose Up. Depth= " < 491 G4cout << " > Chose Up. Depth= " << fVoxelDepth
490 << " Nodes: next= " << next 492 << " Nodes: next= " << nextNodeNo
491 << " new nextUp= " << nextU 493 << " new nextUp= " << nextUp
492 << " Dist = " << distAxis << 494 << " Dist = " << distAxis << G4endl;
493 } 495 }
494 #endif 496 #endif
495 } 497 }
496 else 498 else
497 { 499 {
498 nextNodeNo = nextDown; 500 nextNodeNo = nextDown;
499 distAxis = distDown; 501 distAxis = distDown;
500 --nextDown; // A default value 502 --nextDown; // A default value
501 #ifdef G4VERBOSE 503 #ifdef G4VERBOSE
502 if( fVerbose > 2 ) 504 if( fVerbose > 2 )
503 { 505 {
504 G4cout << " > Chose Down. Depth= " < 506 G4cout << " > Chose Down. Depth= " << fVoxelDepth
505 << " Nodes: next= " << nextNo 507 << " Nodes: next= " << nextNodeNo
506 << " new nextDown= " << nextD 508 << " new nextDown= " << nextDown
507 << " Dist = " << distAxis << G 509 << " Dist = " << distAxis << G4endl;
508 } 510 }
509 #endif 511 #endif
510 } 512 }
511 513
512 nextIsInside = (nextNodeNo >= 0) && (next 514 nextIsInside = (nextNodeNo >= 0) && (nextNodeNo < targetHeaderNoSlices);
513 if( nextIsInside ) 515 if( nextIsInside )
514 { 516 {
515 targetNodeNo= nextNodeNo; 517 targetNodeNo= nextNodeNo;
516 518
517 #ifdef G4DEBUG_NAVIGATION 519 #ifdef G4DEBUG_NAVIGATION
518 assert( targetVoxelHeader->GetSlice(nex 520 assert( targetVoxelHeader->GetSlice(nextNodeNo) != 0 );
519 G4bool bContinue = (distAxis<minSafety) 521 G4bool bContinue = (distAxis<minSafety);
520 if( !bContinue ) 522 if( !bContinue )
521 { 523 {
522 if( fVerbose > 2 ) 524 if( fVerbose > 2 )
523 { 525 {
524 G4cout << " Can skip remaining at d 526 G4cout << " Can skip remaining at depth " << targetHeaderAxis
525 << " >> distAxis= " << dist 527 << " >> distAxis= " << distAxis
526 << " minSafety= " << minSafe 528 << " minSafety= " << minSafety << G4endl;
527 } 529 }
528 } 530 }
529 #endif 531 #endif
530 } 532 }
531 else 533 else
532 { 534 {
533 #ifdef G4DEBUG_NAVIGATION 535 #ifdef G4DEBUG_NAVIGATION
534 if( fVerbose > 2) 536 if( fVerbose > 2)
535 { 537 {
536 G4cout << " VoxSaf> depth= " << fVoxe 538 G4cout << " VoxSaf> depth= " << fVoxelDepth << G4endl;
537 G4cout << " VoxSaf> No more candidate 539 G4cout << " VoxSaf> No more candidates: nodeDown= " << nextDown
538 << " nodeUp= " << nextUp 540 << " nodeUp= " << nextUp
539 << " lastSlice= " << targetHea 541 << " lastSlice= " << targetHeaderNoSlices << G4endl;
540 } 542 }
541 #endif 543 #endif
542 } 544 }
543 545
544 // This calculation can be 'hauled'-up to 546 // This calculation can be 'hauled'-up to where minSafety is calculated
545 // 547 //
546 distMaxInterest = std::min( minSafety, ma 548 distMaxInterest = std::min( minSafety, maxLength );
547 549
548 } while ( nextIsInside && ( distAxis*distAxi 550 } while ( nextIsInside && ( distAxis*distAxis + distUpperDepth_Sq
549 < distMaxInterest* 551 < distMaxInterest*distMaxInterest ) );
550 552
551 #ifdef G4VERBOSE 553 #ifdef G4VERBOSE
552 if( fVerbose > 0 ) 554 if( fVerbose > 0 )
553 { 555 {
554 G4cout << " Ended for targetNodeNo -- chec 556 G4cout << " Ended for targetNodeNo -- checked " << checkedNum << " out of "
555 << targetHeaderNoSlices << " slices 557 << targetHeaderNoSlices << " slices." << G4endl;
556 G4cout << " ===== Returning from SafetyFor 558 G4cout << " ===== Returning from SafetyForVoxelHeader "
557 << " Depth= " << fVoxelDepth << G4 559 << " Depth= " << fVoxelDepth << G4endl
558 << G4endl; 560 << G4endl;
559 } 561 }
560 #endif 562 #endif
561 563
562 // Go back one level 564 // Go back one level
563 fVoxelDepth--; 565 fVoxelDepth--;
564 566
565 return ourSafety; 567 return ourSafety;
566 } 568 }
567 569