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25 // 25 //
26 // G4VSolid implementation for solid base clas <<
27 // 26 //
28 // 10.10.18 E.Tcherniaev, more robust Estimate << 27 // $Id: G4VSolid.cc,v 1.35 2007/10/24 14:09:27 gcosmo Exp $
29 // 30.06.95 P.Kent, Created. << 28 // GEANT4 tag $Name: geant4-09-00-patch-02 $
>> 29 //
>> 30 // class G4VSolid
>> 31 //
>> 32 // Implementation for solid base class
>> 33 //
>> 34 // History:
>> 35 //
>> 36 // 06.12.02 V.Grichine, restored original conditions in ClipPolygon()
>> 37 // 10.05.02 V.Grichine, ClipPolygon(): clip only other axis and limited voxels
>> 38 // 15.04.02 V.Grichine, bug fixed in ClipPolygon(): clip only one axis
>> 39 // 13.03.02 V.Grichine, cosmetics of voxel limit functions
>> 40 // 15.11.00 D.Williams, V.Grichine, fix in CalculateClippedPolygonExtent()
>> 41 // 10.07.95 P.Kent, Added == operator, solid Store entry
>> 42 // 30.06.95 P.Kent, Created.
30 // ------------------------------------------- 43 // --------------------------------------------------------------------
31 44
32 #include "G4VSolid.hh" 45 #include "G4VSolid.hh"
33 #include "G4SolidStore.hh" 46 #include "G4SolidStore.hh"
34 #include "globals.hh" 47 #include "globals.hh"
35 #include "G4QuickRand.hh" << 48 #include "Randomize.hh"
36 #include "G4GeometryTolerance.hh" 49 #include "G4GeometryTolerance.hh"
37 50
38 #include "G4VoxelLimits.hh" 51 #include "G4VoxelLimits.hh"
39 #include "G4AffineTransform.hh" 52 #include "G4AffineTransform.hh"
40 #include "G4VisExtent.hh" 53 #include "G4VisExtent.hh"
41 54
42 ////////////////////////////////////////////// 55 //////////////////////////////////////////////////////////////////////////
43 // 56 //
44 // Streaming operator dumping solid contents <<
45 <<
46 std::ostream& operator<< ( std::ostream& os, c <<
47 { <<
48 return e.StreamInfo(os); <<
49 } <<
50 <<
51 ////////////////////////////////////////////// <<
52 // <<
53 // Constructor 57 // Constructor
54 // - Copies name 58 // - Copies name
55 // - Add ourselves to solid Store 59 // - Add ourselves to solid Store
56 60
57 G4VSolid::G4VSolid(const G4String& name) 61 G4VSolid::G4VSolid(const G4String& name)
58 : fshapeName(name) 62 : fshapeName(name)
59 { 63 {
60 kCarTolerance = G4GeometryTolerance::GetIn 64 kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
61 65
62 // Register to store 66 // Register to store
63 // 67 //
64 G4SolidStore::GetInstance()->Register(this 68 G4SolidStore::GetInstance()->Register(this);
65 } 69 }
66 70
67 ////////////////////////////////////////////// 71 //////////////////////////////////////////////////////////////////////////
68 // 72 //
69 // Copy constructor <<
70 // <<
71 <<
72 G4VSolid::G4VSolid(const G4VSolid& rhs) <<
73 : kCarTolerance(rhs.kCarTolerance), fshapeNa <<
74 { <<
75 // Register to store <<
76 // <<
77 G4SolidStore::GetInstance()->Register(this <<
78 } <<
79 <<
80 ////////////////////////////////////////////// <<
81 // <<
82 // Fake default constructor - sets only member 73 // Fake default constructor - sets only member data and allocates memory
83 // for usage restri 74 // for usage restricted to object persistency.
84 // 75 //
85 G4VSolid::G4VSolid( __void__& ) 76 G4VSolid::G4VSolid( __void__& )
86 : fshapeName("") 77 : fshapeName("")
87 { 78 {
88 // Register to store 79 // Register to store
89 // 80 //
90 G4SolidStore::GetInstance()->Register(this 81 G4SolidStore::GetInstance()->Register(this);
91 } 82 }
92 83
93 ////////////////////////////////////////////// 84 //////////////////////////////////////////////////////////////////////////
94 // 85 //
95 // Destructor (virtual) 86 // Destructor (virtual)
96 // - Remove ourselves from solid Store 87 // - Remove ourselves from solid Store
97 88
98 G4VSolid::~G4VSolid() 89 G4VSolid::~G4VSolid()
99 { 90 {
100 G4SolidStore::GetInstance()->DeRegister(th 91 G4SolidStore::GetInstance()->DeRegister(this);
101 } 92 }
102 93
103 ////////////////////////////////////////////// 94 //////////////////////////////////////////////////////////////////////////
104 // 95 //
105 // Assignment operator << 96 // Streaming operator dumping solid contents
106 <<
107 G4VSolid& G4VSolid::operator = (const G4VSolid <<
108 { <<
109 // Check assignment to self <<
110 // <<
111 if (this == &rhs) { return *this; } <<
112 <<
113 // Copy data <<
114 // <<
115 kCarTolerance = rhs.kCarTolerance; <<
116 fshapeName = rhs.fshapeName; <<
117 <<
118 return *this; <<
119 } <<
120 <<
121 <<
122 <<
123 ////////////////////////////////////////////// <<
124 // <<
125 // Set solid name and notify store of the chan <<
126 97
127 void G4VSolid::SetName(const G4String& name) << 98 std::ostream& operator<< ( std::ostream& os, const G4VSolid& e )
128 { 99 {
129 fshapeName = name; << 100 return e.StreamInfo(os);
130 G4SolidStore::GetInstance()->SetMapValid(fal <<
131 } 101 }
132 102
133 ////////////////////////////////////////////// 103 //////////////////////////////////////////////////////////////////////////
134 // 104 //
135 // Throw exception if ComputeDimensions called 105 // Throw exception if ComputeDimensions called for illegal derived class
136 106
137 void G4VSolid::ComputeDimensions(G4VPVParamete 107 void G4VSolid::ComputeDimensions(G4VPVParameterisation*,
138 const G4int, 108 const G4int,
139 const G4VPhys 109 const G4VPhysicalVolume*)
140 { 110 {
141 std::ostringstream message; << 111 G4cerr << "ERROR - Illegal call to G4VSolid::ComputeDimensions()" << G4endl
142 message << "Illegal call to G4VSolid::Comp << 112 << " Method not overloaded by derived class !" << G4endl;
143 << "Method not overloaded by deriv << 113 G4Exception("G4VSolid::ComputeDimensions()", "NotApplicable",
144 G4Exception("G4VSolid::ComputeDimensions() << 114 FatalException, "Illegal call to case class.");
145 FatalException, message); <<
146 } 115 }
147 116
148 ////////////////////////////////////////////// 117 //////////////////////////////////////////////////////////////////////////
149 // 118 //
150 // Throw exception (warning) for solids not im 119 // Throw exception (warning) for solids not implementing the method
151 120
152 G4ThreeVector G4VSolid::GetPointOnSurface() co 121 G4ThreeVector G4VSolid::GetPointOnSurface() const
153 { 122 {
154 std::ostringstream message; << 123 G4cerr << "WARNING - G4VSolid::GetPointOnSurface()" << G4endl
155 message << "Not implemented for solid: " << 124 << " Not implemented for solid: "
156 << GetEntityType() << " !" << G4en << 125 << this->GetEntityType() << " !" << G4endl;
157 << "Returning origin."; << 126 G4Exception("G4VSolid::GetPointOnSurface()", "NotImplemented",
158 G4Exception("G4VSolid::GetPointOnSurface() << 127 JustWarning, "Not implemented for this solid ! Returning origin.");
159 JustWarning, message); << 128 return G4ThreeVector(0,0,0);
160 return {0,0,0}; <<
161 } <<
162 <<
163 ////////////////////////////////////////////// <<
164 // <<
165 // Returns total number of constituents that w <<
166 // of the solid. For non-Boolean solids the re <<
167 <<
168 G4int G4VSolid::GetNumOfConstituents() const <<
169 { return 1; } <<
170 <<
171 ////////////////////////////////////////////// <<
172 // <<
173 // Returns true if the solid has only planar f <<
174 <<
175 G4bool G4VSolid::IsFaceted() const <<
176 { return false; } <<
177 <<
178 ////////////////////////////////////////////// <<
179 // <<
180 // Dummy implementations ... <<
181 <<
182 const G4VSolid* G4VSolid::GetConstituentSolid( <<
183 { return nullptr; } <<
184 <<
185 G4VSolid* G4VSolid::GetConstituentSolid(G4int) <<
186 { return nullptr; } <<
187 <<
188 const G4DisplacedSolid* G4VSolid::GetDisplaced <<
189 { return nullptr; } <<
190 <<
191 G4DisplacedSolid* G4VSolid::GetDisplacedSolidP <<
192 { return nullptr; } <<
193 <<
194 ////////////////////////////////////////////// <<
195 // <<
196 // Returns an estimation of the solid volume i <<
197 // The number of statistics and error accuracy <<
198 // This method may be overloaded by derived cl <<
199 // exact geometrical quantity for solids where <<
200 // or anyway to cache the computed value. <<
201 // This implementation does NOT cache the comp <<
202 <<
203 G4double G4VSolid::GetCubicVolume() <<
204 { <<
205 G4int cubVolStatistics = 1000000; <<
206 G4double cubVolEpsilon = 0.001; <<
207 return EstimateCubicVolume(cubVolStatistics, <<
208 } <<
209 <<
210 ////////////////////////////////////////////// <<
211 // <<
212 // Calculate cubic volume based on Inside() me <<
213 // Accuracy is limited by the second argument <<
214 // expressed by the first argument. <<
215 // Implementation is courtesy of Vasiliki Desp <<
216 // University of Athens. <<
217 <<
218 G4double G4VSolid::EstimateCubicVolume(G4int n <<
219 { <<
220 G4int iInside=0; <<
221 G4double px,py,pz,minX,maxX,minY,maxY,minZ,m <<
222 G4ThreeVector p; <<
223 EInside in; <<
224 <<
225 // values needed for CalculateExtent signatu <<
226 <<
227 G4VoxelLimits limit; // Unlim <<
228 G4AffineTransform origin; <<
229 <<
230 // min max extents of pSolid along X,Y,Z <<
231 <<
232 CalculateExtent(kXAxis,limit,origin,minX,max <<
233 CalculateExtent(kYAxis,limit,origin,minY,max <<
234 CalculateExtent(kZAxis,limit,origin,minZ,max <<
235 <<
236 // limits <<
237 <<
238 if(nStat < 100) nStat = 100; <<
239 if(epsilon > 0.01) epsilon = 0.01; <<
240 halfepsilon = 0.5*epsilon; <<
241 <<
242 for(auto i = 0; i < nStat; ++i ) <<
243 { <<
244 px = minX-halfepsilon+(maxX-minX+epsilon)* <<
245 py = minY-halfepsilon+(maxY-minY+epsilon)* <<
246 pz = minZ-halfepsilon+(maxZ-minZ+epsilon)* <<
247 p = G4ThreeVector(px,py,pz); <<
248 in = Inside(p); <<
249 if(in != kOutside) ++iInside; <<
250 } <<
251 volume = (maxX-minX+epsilon)*(maxY-minY+epsi <<
252 * (maxZ-minZ+epsilon)*iInside/nStat; <<
253 return volume; <<
254 } <<
255 <<
256 ////////////////////////////////////////////// <<
257 // <<
258 // Returns an estimation of the solid surface <<
259 // The number of statistics and error accuracy <<
260 // This method may be overloaded by derived cl <<
261 // exact geometrical quantity for solids where <<
262 // or anyway to cache the computed value. <<
263 // This implementation does NOT cache the comp <<
264 <<
265 G4double G4VSolid::GetSurfaceArea() <<
266 { <<
267 G4int stat = 1000000; <<
268 G4double ell = -1.; <<
269 return EstimateSurfaceArea(stat,ell); <<
270 } <<
271 <<
272 ////////////////////////////////////////////// <<
273 // <<
274 // Calculate surface area by estimating volume <<
275 // surrounding the surface using Monte-Carlo m <<
276 // Input parameters: <<
277 // nstat - statistics (number of random poi <<
278 // eps - shell thinkness <<
279 <<
280 G4double G4VSolid::EstimateSurfaceArea(G4int n <<
281 { <<
282 static const G4double s2 = 1./std::sqrt(2.); <<
283 static const G4double s3 = 1./std::sqrt(3.); <<
284 static const G4ThreeVector directions[64] = <<
285 { <<
286 G4ThreeVector( 0, 0, 0), G4ThreeVector( <<
287 G4ThreeVector( 1, 0, 0), G4ThreeVector( <<
288 G4ThreeVector( 0, -1, 0), G4ThreeVector( <<
289 G4ThreeVector( s2, -s2, 0), G4ThreeVector( <<
290 <<
291 G4ThreeVector( 0, 1, 0), G4ThreeVector( <<
292 G4ThreeVector( s2, s2, 0), G4ThreeVector( <<
293 G4ThreeVector( 0, -1, 0), G4ThreeVector( <<
294 G4ThreeVector( 1, 0, 0), G4ThreeVector( <<
295 <<
296 G4ThreeVector( 0, 0, -1), G4ThreeVector( <<
297 G4ThreeVector( s2, 0,-s2), G4ThreeVector( <<
298 G4ThreeVector( 0,-s2,-s2), G4ThreeVector( <<
299 G4ThreeVector( s3,-s3,-s3), G4ThreeVector( <<
300 <<
301 G4ThreeVector( 0, s2,-s2), G4ThreeVector( <<
302 G4ThreeVector( s3, s3,-s3), G4ThreeVector( <<
303 G4ThreeVector( 0, 0, -1), G4ThreeVector( <<
304 G4ThreeVector( s2, 0,-s2), G4ThreeVector( <<
305 <<
306 G4ThreeVector( 0, 0, 1), G4ThreeVector( <<
307 G4ThreeVector( s2, 0, s2), G4ThreeVector( <<
308 G4ThreeVector( 0,-s2, s2), G4ThreeVector( <<
309 G4ThreeVector( s3,-s3, s3), G4ThreeVector( <<
310 <<
311 G4ThreeVector( 0, s2, s2), G4ThreeVector( <<
312 G4ThreeVector( s3, s3, s3), G4ThreeVector( <<
313 G4ThreeVector( 0, 0, 1), G4ThreeVector( <<
314 G4ThreeVector( s2, 0, s2), G4ThreeVector( <<
315 <<
316 G4ThreeVector( 0, 0, -1), G4ThreeVector( <<
317 G4ThreeVector( 1, 0, 0), G4ThreeVector( <<
318 G4ThreeVector( 0, -1, 0), G4ThreeVector( <<
319 G4ThreeVector( s2, -s2, 0), G4ThreeVector( <<
320 <<
321 G4ThreeVector( 0, 1, 0), G4ThreeVector( <<
322 G4ThreeVector( s2, s2, 0), G4ThreeVector( <<
323 G4ThreeVector( 0, -1, 0), G4ThreeVector( <<
324 G4ThreeVector( 1, 0, 0), G4ThreeVector( <<
325 }; <<
326 <<
327 G4ThreeVector bmin, bmax; <<
328 BoundingLimits(bmin, bmax); <<
329 <<
330 G4double dX = bmax.x() - bmin.x(); <<
331 G4double dY = bmax.y() - bmin.y(); <<
332 G4double dZ = bmax.z() - bmin.z(); <<
333 <<
334 // Define statistics and shell thickness <<
335 // <<
336 G4int npoints = (nstat < 1000) ? 1000 : nsta <<
337 G4double coeff = 0.5 / std::cbrt(G4double(np <<
338 G4double eps = (ell > 0) ? ell : coeff * std <<
339 G4double del = 1.8 * eps; // shold be more t <<
340 <<
341 G4double minX = bmin.x() - eps; <<
342 G4double minY = bmin.y() - eps; <<
343 G4double minZ = bmin.z() - eps; <<
344 <<
345 G4double dd = 2. * eps; <<
346 dX += dd; <<
347 dY += dd; <<
348 dZ += dd; <<
349 <<
350 // Calculate surface area <<
351 // <<
352 G4int icount = 0; <<
353 for(auto i = 0; i < npoints; ++i) <<
354 { <<
355 G4double px = minX + dX*G4QuickRand(); <<
356 G4double py = minY + dY*G4QuickRand(); <<
357 G4double pz = minZ + dZ*G4QuickRand(); <<
358 G4ThreeVector p = G4ThreeVector(px, py, p <<
359 EInside in = Inside(p); <<
360 G4double dist = 0; <<
361 if (in == kInside) <<
362 { <<
363 if (DistanceToOut(p) >= eps) continue; <<
364 G4int icase = 0; <<
365 if (Inside(G4ThreeVector(px-del, py, pz) <<
366 if (Inside(G4ThreeVector(px+del, py, pz) <<
367 if (Inside(G4ThreeVector(px, py-del, pz) <<
368 if (Inside(G4ThreeVector(px, py+del, pz) <<
369 if (Inside(G4ThreeVector(px, py, pz-del) <<
370 if (Inside(G4ThreeVector(px, py, pz+del) <<
371 if (icase == 0) continue; <<
372 G4ThreeVector v = directions[icase]; <<
373 dist = DistanceToOut(p, v); <<
374 G4ThreeVector n = SurfaceNormal(p + v*di <<
375 dist *= v.dot(n); <<
376 } <<
377 else if (in == kOutside) <<
378 { <<
379 if (DistanceToIn(p) >= eps) continue; <<
380 G4int icase = 0; <<
381 if (Inside(G4ThreeVector(px-del, py, pz) <<
382 if (Inside(G4ThreeVector(px+del, py, pz) <<
383 if (Inside(G4ThreeVector(px, py-del, pz) <<
384 if (Inside(G4ThreeVector(px, py+del, pz) <<
385 if (Inside(G4ThreeVector(px, py, pz-del) <<
386 if (Inside(G4ThreeVector(px, py, pz+del) <<
387 if (icase == 0) continue; <<
388 G4ThreeVector v = directions[icase]; <<
389 dist = DistanceToIn(p, v); <<
390 if (dist == kInfinity) continue; <<
391 G4ThreeVector n = SurfaceNormal(p + v*di <<
392 dist *= -(v.dot(n)); <<
393 } <<
394 if (dist < eps) ++icount; <<
395 } <<
396 return dX*dY*dZ*icount/npoints/dd; <<
397 } <<
398 <<
399 ////////////////////////////////////////////// <<
400 // <<
401 // Returns a pointer of a dynamically allocate <<
402 // Returns NULL pointer with warning in case t <<
403 // implement this method. The caller has respo <<
404 // <<
405 <<
406 G4VSolid* G4VSolid::Clone() const <<
407 { <<
408 std::ostringstream message; <<
409 message << "Clone() method not implemented f <<
410 << GetEntityType() << "!" << G4endl <<
411 << "Returning NULL pointer!"; <<
412 G4Exception("G4VSolid::Clone()", "GeomMgt100 <<
413 return nullptr; <<
414 } 129 }
415 130
416 ////////////////////////////////////////////// 131 ///////////////////////////////////////////////////////////////////////////
417 // << 132 //
418 // Calculate the maximum and minimum extents o 133 // Calculate the maximum and minimum extents of the polygon described
419 // by the vertices: pSectionIndex->pSectionInd 134 // by the vertices: pSectionIndex->pSectionIndex+1->
420 // pSectionIndex+2->pSection 135 // pSectionIndex+2->pSectionIndex+3->pSectionIndex
421 // in the List pVertices 136 // in the List pVertices
422 // 137 //
423 // If the minimum is <pMin pMin is set to the 138 // If the minimum is <pMin pMin is set to the new minimum
424 // If the maximum is >pMax pMax is set to the 139 // If the maximum is >pMax pMax is set to the new maximum
425 // 140 //
426 // No modifications are made to pVertices 141 // No modifications are made to pVertices
427 // 142 //
428 143
429 void G4VSolid::ClipCrossSection( G4Three 144 void G4VSolid::ClipCrossSection( G4ThreeVectorList* pVertices,
430 const G4int p 145 const G4int pSectionIndex,
431 const G4Voxel 146 const G4VoxelLimits& pVoxelLimit,
432 const EAxis p << 147 const EAxis pAxis,
433 G4doubl 148 G4double& pMin, G4double& pMax) const
434 { 149 {
435 150
436 G4ThreeVectorList polygon; 151 G4ThreeVectorList polygon;
437 polygon.reserve(4); <<
438 polygon.push_back((*pVertices)[pSectionIndex 152 polygon.push_back((*pVertices)[pSectionIndex]);
439 polygon.push_back((*pVertices)[pSectionIndex 153 polygon.push_back((*pVertices)[pSectionIndex+1]);
440 polygon.push_back((*pVertices)[pSectionIndex 154 polygon.push_back((*pVertices)[pSectionIndex+2]);
441 polygon.push_back((*pVertices)[pSectionIndex 155 polygon.push_back((*pVertices)[pSectionIndex+3]);
>> 156 // G4cout<<"ClipCrossSection: 0-1-2-3"<<G4endl;
442 CalculateClippedPolygonExtent(polygon,pVoxel 157 CalculateClippedPolygonExtent(polygon,pVoxelLimit,pAxis,pMin,pMax);
443 return; 158 return;
444 } 159 }
445 160
446 ////////////////////////////////////////////// 161 //////////////////////////////////////////////////////////////////////////////////
447 // 162 //
448 // Calculate the maximum and minimum extents o 163 // Calculate the maximum and minimum extents of the polygons
449 // joining the CrossSections at pSectionIndex- 164 // joining the CrossSections at pSectionIndex->pSectionIndex+3 and
450 // pSectionIndex+ 165 // pSectionIndex+4->pSectionIndex7
451 // 166 //
452 // in the List pVertices, within the boundarie 167 // in the List pVertices, within the boundaries of the voxel limits pVoxelLimit
453 // 168 //
454 // If the minimum is <pMin pMin is set to the 169 // If the minimum is <pMin pMin is set to the new minimum
455 // If the maximum is >pMax pMax is set to the 170 // If the maximum is >pMax pMax is set to the new maximum
456 // 171 //
457 // No modifications are made to pVertices 172 // No modifications are made to pVertices
458 173
459 void G4VSolid::ClipBetweenSections( G4Thr 174 void G4VSolid::ClipBetweenSections( G4ThreeVectorList* pVertices,
460 const G4int 175 const G4int pSectionIndex,
461 const G4Vox 176 const G4VoxelLimits& pVoxelLimit,
462 const EAxis << 177 const EAxis pAxis,
463 G4dou 178 G4double& pMin, G4double& pMax) const
464 { 179 {
465 G4ThreeVectorList polygon; 180 G4ThreeVectorList polygon;
466 polygon.reserve(4); <<
467 polygon.push_back((*pVertices)[pSectionIndex 181 polygon.push_back((*pVertices)[pSectionIndex]);
468 polygon.push_back((*pVertices)[pSectionIndex 182 polygon.push_back((*pVertices)[pSectionIndex+4]);
469 polygon.push_back((*pVertices)[pSectionIndex 183 polygon.push_back((*pVertices)[pSectionIndex+5]);
470 polygon.push_back((*pVertices)[pSectionIndex 184 polygon.push_back((*pVertices)[pSectionIndex+1]);
>> 185 // G4cout<<"ClipBetweenSections: 0-4-5-1"<<G4endl;
471 CalculateClippedPolygonExtent(polygon,pVoxel 186 CalculateClippedPolygonExtent(polygon,pVoxelLimit,pAxis,pMin,pMax);
472 polygon.clear(); 187 polygon.clear();
473 188
474 polygon.push_back((*pVertices)[pSectionIndex 189 polygon.push_back((*pVertices)[pSectionIndex+1]);
475 polygon.push_back((*pVertices)[pSectionIndex 190 polygon.push_back((*pVertices)[pSectionIndex+5]);
476 polygon.push_back((*pVertices)[pSectionIndex 191 polygon.push_back((*pVertices)[pSectionIndex+6]);
477 polygon.push_back((*pVertices)[pSectionIndex 192 polygon.push_back((*pVertices)[pSectionIndex+2]);
>> 193 // G4cout<<"ClipBetweenSections: 1-5-6-2"<<G4endl;
478 CalculateClippedPolygonExtent(polygon,pVoxel 194 CalculateClippedPolygonExtent(polygon,pVoxelLimit,pAxis,pMin,pMax);
479 polygon.clear(); 195 polygon.clear();
480 196
481 polygon.push_back((*pVertices)[pSectionIndex 197 polygon.push_back((*pVertices)[pSectionIndex+2]);
482 polygon.push_back((*pVertices)[pSectionIndex 198 polygon.push_back((*pVertices)[pSectionIndex+6]);
483 polygon.push_back((*pVertices)[pSectionIndex 199 polygon.push_back((*pVertices)[pSectionIndex+7]);
484 polygon.push_back((*pVertices)[pSectionIndex 200 polygon.push_back((*pVertices)[pSectionIndex+3]);
>> 201 // G4cout<<"ClipBetweenSections: 2-6-7-3"<<G4endl;
485 CalculateClippedPolygonExtent(polygon,pVoxel 202 CalculateClippedPolygonExtent(polygon,pVoxelLimit,pAxis,pMin,pMax);
486 polygon.clear(); 203 polygon.clear();
487 204
488 polygon.push_back((*pVertices)[pSectionIndex 205 polygon.push_back((*pVertices)[pSectionIndex+3]);
489 polygon.push_back((*pVertices)[pSectionIndex 206 polygon.push_back((*pVertices)[pSectionIndex+7]);
490 polygon.push_back((*pVertices)[pSectionIndex 207 polygon.push_back((*pVertices)[pSectionIndex+4]);
491 polygon.push_back((*pVertices)[pSectionIndex 208 polygon.push_back((*pVertices)[pSectionIndex]);
>> 209 // G4cout<<"ClipBetweenSections: 3-7-4-0"<<G4endl;
492 CalculateClippedPolygonExtent(polygon,pVoxel 210 CalculateClippedPolygonExtent(polygon,pVoxelLimit,pAxis,pMin,pMax);
493 return; 211 return;
494 } 212 }
495 213
496 214
497 ////////////////////////////////////////////// 215 ///////////////////////////////////////////////////////////////////////////////
498 // 216 //
499 // Calculate the maximum and minimum extents o 217 // Calculate the maximum and minimum extents of the convex polygon pPolygon
500 // along the axis pAxis, within the limits pVo 218 // along the axis pAxis, within the limits pVoxelLimit
501 // 219 //
502 220
503 void 221 void
504 G4VSolid::CalculateClippedPolygonExtent(G4Thre 222 G4VSolid::CalculateClippedPolygonExtent(G4ThreeVectorList& pPolygon,
505 const G4Voxe 223 const G4VoxelLimits& pVoxelLimit,
506 const EAxis << 224 const EAxis pAxis,
507 G4doub 225 G4double& pMin,
508 G4doub 226 G4double& pMax) const
509 { 227 {
510 G4int noLeft,i; 228 G4int noLeft,i;
511 G4double component; 229 G4double component;
512 << 230 /*
>> 231 G4cout<<G4endl;
>> 232 for(i = 0 ; i < pPolygon.size() ; i++ )
>> 233 {
>> 234 G4cout << i << "\t"
>> 235 << "p.x = " << pPolygon[i].operator()(pAxis) << "\t"
>> 236 // << "p.y = " << pPolygon[i].y() << "\t"
>> 237 // << "p.z = " << pPolygon[i].z() << "\t"
>> 238 << G4endl;
>> 239 }
>> 240 G4cout<<G4endl;
>> 241 */
513 ClipPolygon(pPolygon,pVoxelLimit,pAxis); 242 ClipPolygon(pPolygon,pVoxelLimit,pAxis);
514 noLeft = (G4int)pPolygon.size(); << 243 noLeft = pPolygon.size();
515 244
516 if ( noLeft != 0 ) << 245 if ( noLeft )
517 { 246 {
518 for (i=0; i<noLeft; ++i) << 247 // G4cout<<G4endl;
>> 248 for (i=0;i<noLeft;i++)
519 { 249 {
520 component = pPolygon[i].operator()(pAxis 250 component = pPolygon[i].operator()(pAxis);
521 << 251 // G4cout <<i<<"\t"<<component<<G4endl;
522 if (component < pMin) << 252
523 { << 253 if (component < pMin)
524 pMin = component; << 254 {
>> 255 // G4cout <<i<<"\t"<<"Pmin = "<<component<<G4endl;
>> 256 pMin = component;
525 } 257 }
526 if (component > pMax) 258 if (component > pMax)
527 { << 259 {
528 pMax = component; << 260 // G4cout <<i<<"\t"<<"PMax = "<<component<<G4endl;
529 } << 261 pMax = component;
>> 262 }
530 } 263 }
>> 264 // G4cout<<G4endl;
531 } 265 }
>> 266 // G4cout<<"pMin = "<<pMin<<"\t"<<"pMax = "<<pMax<<G4endl;
532 } 267 }
533 268
534 ////////////////////////////////////////////// 269 /////////////////////////////////////////////////////////////////////////////
535 // 270 //
536 // Clip the convex polygon described by the ve 271 // Clip the convex polygon described by the vertices at
537 // pSectionIndex ->pSectionIndex+3 within pVer 272 // pSectionIndex ->pSectionIndex+3 within pVertices to the limits pVoxelLimit
538 // 273 //
539 // Set pMin to the smallest 274 // Set pMin to the smallest
540 // 275 //
541 // Calculate the extent of the polygon along p 276 // Calculate the extent of the polygon along pAxis, when clipped to the
542 // limits pVoxelLimit. If the polygon exists a 277 // limits pVoxelLimit. If the polygon exists after clippin, set pMin to
543 // the polygon's minimum extent along the axis 278 // the polygon's minimum extent along the axis if <pMin, and set pMax to
544 // the polygon's maximum extent along the axis 279 // the polygon's maximum extent along the axis if >pMax.
545 // 280 //
546 // The polygon is described by a set of vector 281 // The polygon is described by a set of vectors, where each vector represents
547 // a vertex, so that the polygon is described 282 // a vertex, so that the polygon is described by the vertex sequence:
548 // 0th->1st 1st->2nd 2nd->... nth->0th 283 // 0th->1st 1st->2nd 2nd->... nth->0th
549 // 284 //
550 // Modifications to the polygon are made 285 // Modifications to the polygon are made
551 // 286 //
552 // NOTE: Execessive copying during clipping 287 // NOTE: Execessive copying during clipping
553 288
554 void G4VSolid::ClipPolygon( G4ThreeVector 289 void G4VSolid::ClipPolygon( G4ThreeVectorList& pPolygon,
555 const G4VoxelLimits 290 const G4VoxelLimits& pVoxelLimit,
556 const EAxis 291 const EAxis ) const
557 { 292 {
558 G4ThreeVectorList outputPolygon; 293 G4ThreeVectorList outputPolygon;
559 294
560 if ( pVoxelLimit.IsLimited() ) 295 if ( pVoxelLimit.IsLimited() )
561 { 296 {
562 if (pVoxelLimit.IsXLimited() ) // && pAxis 297 if (pVoxelLimit.IsXLimited() ) // && pAxis != kXAxis)
563 { 298 {
564 G4VoxelLimits simpleLimit1; 299 G4VoxelLimits simpleLimit1;
565 simpleLimit1.AddLimit(kXAxis,pVoxelLimit 300 simpleLimit1.AddLimit(kXAxis,pVoxelLimit.GetMinXExtent(),kInfinity);
>> 301 // G4cout<<"MinXExtent()"<<G4endl;
566 ClipPolygonToSimpleLimits(pPolygon,outpu 302 ClipPolygonToSimpleLimits(pPolygon,outputPolygon,simpleLimit1);
567 << 303
568 pPolygon.clear(); 304 pPolygon.clear();
569 305
570 if ( outputPolygon.empty() ) return; << 306 if ( !outputPolygon.size() ) return;
571 307
572 G4VoxelLimits simpleLimit2; 308 G4VoxelLimits simpleLimit2;
>> 309 // G4cout<<"MaxXExtent()"<<G4endl;
573 simpleLimit2.AddLimit(kXAxis,-kInfinity, 310 simpleLimit2.AddLimit(kXAxis,-kInfinity,pVoxelLimit.GetMaxXExtent());
574 ClipPolygonToSimpleLimits(outputPolygon, 311 ClipPolygonToSimpleLimits(outputPolygon,pPolygon,simpleLimit2);
575 312
576 if ( pPolygon.empty() ) return; << 313 if ( !pPolygon.size() ) return;
577 else outputPoly 314 else outputPolygon.clear();
578 } 315 }
579 if ( pVoxelLimit.IsYLimited() ) // && pAxi 316 if ( pVoxelLimit.IsYLimited() ) // && pAxis != kYAxis)
580 { 317 {
581 G4VoxelLimits simpleLimit1; 318 G4VoxelLimits simpleLimit1;
582 simpleLimit1.AddLimit(kYAxis,pVoxelLimit 319 simpleLimit1.AddLimit(kYAxis,pVoxelLimit.GetMinYExtent(),kInfinity);
583 ClipPolygonToSimpleLimits(pPolygon,outpu 320 ClipPolygonToSimpleLimits(pPolygon,outputPolygon,simpleLimit1);
584 321
585 // Must always clear pPolygon - for clip 322 // Must always clear pPolygon - for clip to simpleLimit2 and in case of
586 // early exit 323 // early exit
587 324
588 pPolygon.clear(); 325 pPolygon.clear();
589 326
590 if ( outputPolygon.empty() ) return; << 327 if ( !outputPolygon.size() ) return;
591 328
592 G4VoxelLimits simpleLimit2; 329 G4VoxelLimits simpleLimit2;
593 simpleLimit2.AddLimit(kYAxis,-kInfinity, 330 simpleLimit2.AddLimit(kYAxis,-kInfinity,pVoxelLimit.GetMaxYExtent());
594 ClipPolygonToSimpleLimits(outputPolygon, 331 ClipPolygonToSimpleLimits(outputPolygon,pPolygon,simpleLimit2);
595 332
596 if ( pPolygon.empty() ) return; << 333 if ( !pPolygon.size() ) return;
597 else outputPoly 334 else outputPolygon.clear();
598 } 335 }
599 if ( pVoxelLimit.IsZLimited() ) // && pAxi 336 if ( pVoxelLimit.IsZLimited() ) // && pAxis != kZAxis)
600 { 337 {
601 G4VoxelLimits simpleLimit1; 338 G4VoxelLimits simpleLimit1;
602 simpleLimit1.AddLimit(kZAxis,pVoxelLimit 339 simpleLimit1.AddLimit(kZAxis,pVoxelLimit.GetMinZExtent(),kInfinity);
603 ClipPolygonToSimpleLimits(pPolygon,outpu 340 ClipPolygonToSimpleLimits(pPolygon,outputPolygon,simpleLimit1);
604 341
605 // Must always clear pPolygon - for clip 342 // Must always clear pPolygon - for clip to simpleLimit2 and in case of
606 // early exit 343 // early exit
607 344
608 pPolygon.clear(); 345 pPolygon.clear();
609 346
610 if ( outputPolygon.empty() ) return; << 347 if ( !outputPolygon.size() ) return;
611 348
612 G4VoxelLimits simpleLimit2; 349 G4VoxelLimits simpleLimit2;
613 simpleLimit2.AddLimit(kZAxis,-kInfinity, 350 simpleLimit2.AddLimit(kZAxis,-kInfinity,pVoxelLimit.GetMaxZExtent());
614 ClipPolygonToSimpleLimits(outputPolygon, 351 ClipPolygonToSimpleLimits(outputPolygon,pPolygon,simpleLimit2);
615 352
616 // Return after final clip - no cleanup 353 // Return after final clip - no cleanup
617 } 354 }
618 } 355 }
619 } 356 }
620 357
621 ////////////////////////////////////////////// 358 ////////////////////////////////////////////////////////////////////////////
622 // 359 //
623 // pVoxelLimits must be only limited along one 360 // pVoxelLimits must be only limited along one axis, and either the maximum
624 // along the axis must be +kInfinity, or the m 361 // along the axis must be +kInfinity, or the minimum -kInfinity
625 362
626 void 363 void
627 G4VSolid::ClipPolygonToSimpleLimits( G4ThreeVe 364 G4VSolid::ClipPolygonToSimpleLimits( G4ThreeVectorList& pPolygon,
628 G4ThreeVe 365 G4ThreeVectorList& outputPolygon,
629 const G4VoxelLi 366 const G4VoxelLimits& pVoxelLimit ) const
630 { 367 {
631 G4int i; 368 G4int i;
632 auto noVertices = (G4int)pPolygon.size(); << 369 G4int noVertices=pPolygon.size();
633 G4ThreeVector vEnd,vStart; 370 G4ThreeVector vEnd,vStart;
634 371
635 for (i = 0 ; i < noVertices ; ++i ) << 372 for (i = 0 ; i < noVertices ; i++ )
636 { 373 {
637 vStart = pPolygon[i]; 374 vStart = pPolygon[i];
>> 375 // G4cout << "i = " << i << G4endl;
638 if ( i == noVertices-1 ) vEnd = pPolygo 376 if ( i == noVertices-1 ) vEnd = pPolygon[0];
639 else vEnd = pPolygo 377 else vEnd = pPolygon[i+1];
640 378
641 if ( pVoxelLimit.Inside(vStart) ) 379 if ( pVoxelLimit.Inside(vStart) )
642 { 380 {
643 if (pVoxelLimit.Inside(vEnd)) 381 if (pVoxelLimit.Inside(vEnd))
644 { 382 {
645 // vStart and vEnd inside -> output en 383 // vStart and vEnd inside -> output end point
646 // 384 //
647 outputPolygon.push_back(vEnd); 385 outputPolygon.push_back(vEnd);
648 } 386 }
649 else 387 else
650 { 388 {
651 // vStart inside, vEnd outside -> outp 389 // vStart inside, vEnd outside -> output crossing point
652 // 390 //
>> 391 // G4cout << "vStart inside, vEnd outside" << G4endl;
653 pVoxelLimit.ClipToLimits(vStart,vEnd); 392 pVoxelLimit.ClipToLimits(vStart,vEnd);
654 outputPolygon.push_back(vEnd); 393 outputPolygon.push_back(vEnd);
655 } << 394 }
656 } 395 }
657 else 396 else
658 { 397 {
659 if (pVoxelLimit.Inside(vEnd)) 398 if (pVoxelLimit.Inside(vEnd))
660 { 399 {
661 // vStart outside, vEnd inside -> outp 400 // vStart outside, vEnd inside -> output inside section
662 // 401 //
>> 402 // G4cout << "vStart outside, vEnd inside" << G4endl;
663 pVoxelLimit.ClipToLimits(vStart,vEnd); 403 pVoxelLimit.ClipToLimits(vStart,vEnd);
664 outputPolygon.push_back(vStart); 404 outputPolygon.push_back(vStart);
665 outputPolygon.push_back(vEnd); << 405 outputPolygon.push_back(vEnd);
666 } 406 }
667 else // Both point outside -> no output 407 else // Both point outside -> no output
668 { 408 {
669 // outputPolygon.push_back(vStart); 409 // outputPolygon.push_back(vStart);
670 // outputPolygon.push_back(vEnd); << 410 // outputPolygon.push_back(vEnd);
671 } 411 }
672 } 412 }
673 } 413 }
674 } 414 }
675 415
676 ////////////////////////////////////////////// << 416 const G4VSolid* G4VSolid::GetConstituentSolid(G4int) const
677 // << 417 { return 0; }
678 // Throw exception (warning) for solids not im <<
679 418
680 void G4VSolid::BoundingLimits(G4ThreeVector& p << 419 G4VSolid* G4VSolid::GetConstituentSolid(G4int)
681 { << 420 { return 0; }
682 std::ostringstream message; <<
683 message << "Not implemented for solid: " <<
684 << GetEntityType() << " !" <<
685 << "\nReturning infinite boundinx bo <<
686 G4Exception("G4VSolid::BoundingLimits()", "G <<
687 JustWarning, message); <<
688 421
689 pMin.set(-kInfinity,-kInfinity,-kInfinity); << 422 const G4DisplacedSolid* G4VSolid::GetDisplacedSolidPtr() const
690 pMax.set( kInfinity, kInfinity, kInfinity); << 423 { return 0; }
691 } <<
692 424
693 ////////////////////////////////////////////// << 425 G4DisplacedSolid* G4VSolid::GetDisplacedSolidPtr()
694 // << 426 { return 0; }
695 // Get G4VisExtent - bounding box for graphics <<
696 427
697 G4VisExtent G4VSolid::GetExtent () const << 428 G4VisExtent G4VSolid::GetExtent () const
698 { 429 {
699 G4VisExtent extent; 430 G4VisExtent extent;
700 G4VoxelLimits voxelLimits; // Defaults to " 431 G4VoxelLimits voxelLimits; // Defaults to "infinite" limits.
701 G4AffineTransform affineTransform; 432 G4AffineTransform affineTransform;
702 G4double vmin, vmax; 433 G4double vmin, vmax;
703 CalculateExtent(kXAxis,voxelLimits,affineTra 434 CalculateExtent(kXAxis,voxelLimits,affineTransform,vmin,vmax);
704 extent.SetXmin (vmin); 435 extent.SetXmin (vmin);
705 extent.SetXmax (vmax); 436 extent.SetXmax (vmax);
706 CalculateExtent(kYAxis,voxelLimits,affineTra 437 CalculateExtent(kYAxis,voxelLimits,affineTransform,vmin,vmax);
707 extent.SetYmin (vmin); 438 extent.SetYmin (vmin);
708 extent.SetYmax (vmax); 439 extent.SetYmax (vmax);
709 CalculateExtent(kZAxis,voxelLimits,affineTra 440 CalculateExtent(kZAxis,voxelLimits,affineTransform,vmin,vmax);
710 extent.SetZmin (vmin); 441 extent.SetZmin (vmin);
711 extent.SetZmax (vmax); 442 extent.SetZmax (vmax);
712 return extent; 443 return extent;
713 } 444 }
714 445
715 G4Polyhedron* G4VSolid::CreatePolyhedron () co 446 G4Polyhedron* G4VSolid::CreatePolyhedron () const
716 { 447 {
717 return nullptr; << 448 return 0;
>> 449 }
>> 450
>> 451 G4NURBS* G4VSolid::CreateNURBS () const
>> 452 {
>> 453 return 0;
718 } 454 }
719 455
720 G4Polyhedron* G4VSolid::GetPolyhedron () const 456 G4Polyhedron* G4VSolid::GetPolyhedron () const
721 { 457 {
722 return nullptr; << 458 return 0;
>> 459 }
>> 460
>> 461 ////////////////////////////////////////////////////////////////
>> 462 //
>> 463 // Returns an estimation of the solid volume in internal units.
>> 464 // The number of statistics and error accuracy is fixed.
>> 465 // This method may be overloaded by derived classes to compute the
>> 466 // exact geometrical quantity for solids where this is possible.
>> 467 // or anyway to cache the computed value.
>> 468 // This implementation does NOT cache the computed value.
>> 469
>> 470 G4double G4VSolid::GetCubicVolume()
>> 471 {
>> 472 G4int cubVolStatistics = 1000000;
>> 473 G4double cubVolEpsilon = 0.001;
>> 474 return EstimateCubicVolume(cubVolStatistics, cubVolEpsilon);
>> 475 }
>> 476
>> 477 ////////////////////////////////////////////////////////////////
>> 478 //
>> 479 // Calculate cubic volume based on Inside() method.
>> 480 // Accuracy is limited by the second argument or the statistics
>> 481 // expressed by the first argument.
>> 482 // Implementation is courtesy of Vasiliki Despoina Mitsou,
>> 483 // University of Athens.
>> 484
>> 485 G4double G4VSolid::EstimateCubicVolume(G4int nStat, G4double epsilon) const
>> 486 {
>> 487 G4int iInside=0;
>> 488 G4double px,py,pz,minX,maxX,minY,maxY,minZ,maxZ,volume;
>> 489 G4bool yesno;
>> 490 G4ThreeVector p;
>> 491 EInside in;
>> 492
>> 493 // values needed for CalculateExtent signature
>> 494
>> 495 G4VoxelLimits limit; // Unlimited
>> 496 G4AffineTransform origin;
>> 497
>> 498 // min max extents of pSolid along X,Y,Z
>> 499
>> 500 yesno = this->CalculateExtent(kXAxis,limit,origin,minX,maxX);
>> 501 yesno = this->CalculateExtent(kYAxis,limit,origin,minY,maxY);
>> 502 yesno = this->CalculateExtent(kZAxis,limit,origin,minZ,maxZ);
>> 503
>> 504 // limits
>> 505
>> 506 if(nStat < 100) nStat = 100;
>> 507 if(epsilon > 0.01) epsilon = 0.01;
>> 508
>> 509 for(G4int i = 0; i < nStat; i++ )
>> 510 {
>> 511 px = minX+(maxX-minX)*G4UniformRand();
>> 512 py = minY+(maxY-minY)*G4UniformRand();
>> 513 pz = minZ+(maxZ-minZ)*G4UniformRand();
>> 514 p = G4ThreeVector(px,py,pz);
>> 515 in = this->Inside(p);
>> 516 if(in != kOutside) iInside++;
>> 517 }
>> 518 volume = (maxX-minX)*(maxY-minY)*(maxZ-minZ)*iInside/nStat;
>> 519 return volume;
>> 520 }
>> 521
>> 522 ////////////////////////////////////////////////////////////////
>> 523 //
>> 524 // Returns an estimation of the solid surface area in internal units.
>> 525 // The number of statistics and error accuracy is fixed.
>> 526 // This method may be overloaded by derived classes to compute the
>> 527 // exact geometrical quantity for solids where this is possible.
>> 528 // or anyway to cache the computed value.
>> 529 // This implementation does NOT cache the computed value.
>> 530
>> 531 G4double G4VSolid::GetSurfaceArea()
>> 532 {
>> 533 G4int stat = 1000000;
>> 534 G4double ell = -1.;
>> 535 return EstimateSurfaceArea(stat,ell);
>> 536 }
>> 537
>> 538 ////////////////////////////////////////////////////////////////
>> 539 //
>> 540 // Estimate surface area based on Inside(), DistanceToIn(), and
>> 541 // DistanceToOut() methods. Accuracy is limited by the statistics
>> 542 // defined by the first argument. Implemented by Mikhail Kosov.
>> 543
>> 544 G4double G4VSolid::EstimateSurfaceArea(G4int nStat, G4double ell) const
>> 545 {
>> 546 G4int inside=0;
>> 547 G4double px,py,pz,minX,maxX,minY,maxY,minZ,maxZ,surf;
>> 548 G4bool yesno;
>> 549 G4ThreeVector p;
>> 550 EInside in;
>> 551
>> 552 // values needed for CalculateExtent signature
>> 553
>> 554 G4VoxelLimits limit; // Unlimited
>> 555 G4AffineTransform origin;
>> 556
>> 557 // min max extents of pSolid along X,Y,Z
>> 558
>> 559 yesno = this->CalculateExtent(kXAxis,limit,origin,minX,maxX);
>> 560 yesno = this->CalculateExtent(kYAxis,limit,origin,minY,maxY);
>> 561 yesno = this->CalculateExtent(kZAxis,limit,origin,minZ,maxZ);
>> 562
>> 563 // limits
>> 564
>> 565 if(nStat < 100) { nStat = 100; }
>> 566
>> 567 G4double dX=maxX-minX;
>> 568 G4double dY=maxY-minY;
>> 569 G4double dZ=maxZ-minZ;
>> 570 if(ell<=0.) // Automatic definition of skin thickness
>> 571 {
>> 572 G4double minval=dX;
>> 573 if(dY<dX) { minval=dY; }
>> 574 if(dZ<minval) { minval=dZ; }
>> 575 ell=.01*minval;
>> 576 }
>> 577
>> 578 G4double dd=2*ell;
>> 579 minX-=ell; minY-=ell; minZ-=ell; dX+=dd; dY+=dd; dZ+=dd;
>> 580
>> 581 for(G4int i = 0; i < nStat; i++ )
>> 582 {
>> 583 px = minX+dX*G4UniformRand();
>> 584 py = minY+dY*G4UniformRand();
>> 585 pz = minZ+dZ*G4UniformRand();
>> 586 p = G4ThreeVector(px,py,pz);
>> 587 in = this->Inside(p);
>> 588 if(in != kOutside)
>> 589 {
>> 590 if (DistanceToOut(p)<ell) { inside++; }
>> 591 }
>> 592 else if(DistanceToIn(p)<ell) { inside++; }
>> 593 }
>> 594 // @@ The conformal correction can be upgraded
>> 595 surf = dX*dY*dZ*inside/dd/nStat;
>> 596 return surf;
723 } 597 }
724 598