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0024428: Implementation of LGPL license
[occt.git] / src / BOPAlgo / BOPAlgo_Builder_3.cxx
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4e57c75e 1// Created by: Peter KURNEV
973c2be1 2// Copyright (c) 2010-2014 OPEN CASCADE SAS
4e57c75e 3// Copyright (c) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
4// Copyright (c) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT,
5// EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6//
973c2be1 7// This file is part of Open CASCADE Technology software library.
4e57c75e 8//
973c2be1 9// This library is free software; you can redistribute it and / or modify it
10// under the terms of the GNU Lesser General Public version 2.1 as published
11// by the Free Software Foundation, with special exception defined in the file
12// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
13// distribution for complete text of the license and disclaimer of any warranty.
4e57c75e 14//
973c2be1 15// Alternatively, this file may be used under the terms of Open CASCADE
16// commercial license or contractual agreement.
4e57c75e 17
18#include <BOPAlgo_Builder.hxx>
19
20#include <NCollection_IncAllocator.hxx>
21
22#include <TopAbs_State.hxx>
23
24#include <TopoDS.hxx>
25#include <TopoDS_Iterator.hxx>
26#include <TopoDS_Solid.hxx>
27#include <TopoDS_Shape.hxx>
28#include <TopoDS_Face.hxx>
744511c8 29#include <TopoDS_Edge.hxx>
4e57c75e 30#include <TopoDS_Solid.hxx>
31#include <TopoDS_Iterator.hxx>
32#include <TopoDS_Shell.hxx>
33#include <TopoDS_Compound.hxx>
34
35#include <TopExp.hxx>
36#include <TopExp_Explorer.hxx>
37
38#include <BRep_Builder.hxx>
39#include <BRepTools.hxx>
40#include <BRepClass3d_SolidClassifier.hxx>
41//
42#include <BOPCol_IndexedMapOfShape.hxx>
43#include <BOPCol_MapOfShape.hxx>
44#include <BOPCol_IndexedDataMapOfShapeListOfShape.hxx>
45#include <BOPCol_ListOfShape.hxx>
46//
47#include <BOPDS_DS.hxx>
48#include <BOPDS_ShapeInfo.hxx>
49//
50#include <BOPTools.hxx>
51#include <BOPTools_AlgoTools.hxx>
52//
53#include <BOPTools_MapOfSet.hxx>
54#include <BOPTools_Set.hxx>
55//
56#include <BOPAlgo_BuilderSolid.hxx>
57
744511c8 58#include <BOPCol_DataMapOfIntegerShape.hxx>
59#include <Bnd_Box.hxx>
60#include <BRepBndLib.hxx>
61
62#include <NCollection_UBTreeFiller.hxx>
63#include <BOPDS_BoxBndTree.hxx>
64#include <BOPCol_ListOfInteger.hxx>
65#include <BOPInt_Context.hxx>
66
67
68static
69 Standard_Boolean IsClosedShell(const TopoDS_Shell& aSh);
4e57c75e 70
71static
72 void OwnInternalShapes(const TopoDS_Shape& ,
73 BOPCol_IndexedMapOfShape& );
74
c884a268 75static
76 void TreatCompound(const TopoDS_Shape& theS,
77 BOPCol_MapOfShape& aMFence,
78 BOPCol_ListOfShape& theLS);
79
744511c8 80//=======================================================================
81//class : BOPAlgo_ShapeBox
82//purpose : Auxiliary class
83//=======================================================================
84class BOPAlgo_ShapeBox {
85 public:
86 BOPAlgo_ShapeBox() {
87 };
88 //
89 ~BOPAlgo_ShapeBox() {
90 };
91 //
92 void SetShape(const TopoDS_Shape& aS) {
93 myShape=aS;
94 };
95 //
96 const TopoDS_Shape& Shape()const {
97 return myShape;
98 };
99 //
100 void SetBox(const Bnd_Box& aBox) {
101 myBox=aBox;
102 };
103 //
104 const Bnd_Box& Box()const {
105 return myBox;
106 };
107 //
108 protected:
109 TopoDS_Shape myShape;
110 Bnd_Box myBox;
111};
112//
113typedef NCollection_DataMap\
114 <Standard_Integer, BOPAlgo_ShapeBox, TColStd_MapIntegerHasher> \
115 BOPAlgo_DataMapOfIntegerShapeBox;
116//
117typedef BOPAlgo_DataMapOfIntegerShapeBox::Iterator \
118 BOPAlgo_DataMapIteratorOfDataMapOfIntegerShapeBox;
119//
120
4e57c75e 121//=======================================================================
122//function : FillImagesSolids
123//purpose :
124//=======================================================================
744511c8 125void BOPAlgo_Builder::FillImagesSolids()
4e57c75e 126{
744511c8 127 Standard_Boolean bHasSolids;
128 Standard_Integer i, aNbS;
129 //
4e57c75e 130 myErrorStatus=0;
131 //
744511c8 132 bHasSolids=Standard_False;
133 aNbS=myDS->NbSourceShapes();
134 for (i=0; i<aNbS; ++i) {
135 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
136 if (aSI.ShapeType()==TopAbs_SOLID) {
137 bHasSolids=!bHasSolids;
138 break;
139 }
140 }
141 //
142 if (!bHasSolids) {
143 return;
144 }
145 //
146 Handle(NCollection_IncAllocator) aAlr;
4e57c75e 147 //
744511c8 148 aAlr=new NCollection_IncAllocator();
4e57c75e 149 //
744511c8 150 BOPCol_DataMapOfShapeListOfShape theInParts(100, aAlr);
151 BOPCol_DataMapOfShapeShape theDraftSolids(100, aAlr);
152 //
153 FillIn3DParts(theInParts, theDraftSolids, aAlr);
154 BuildSplitSolids(theInParts, theDraftSolids, aAlr);
4e57c75e 155 FillInternalShapes();
156 //
157 theInParts.Clear();
158 theDraftSolids.Clear();
4e57c75e 159}
160//=======================================================================
161//function : FillIn3DParts
162//purpose :
163//=======================================================================
744511c8 164void BOPAlgo_Builder::FillIn3DParts(BOPCol_DataMapOfShapeListOfShape& theInParts,
165 BOPCol_DataMapOfShapeShape& theDraftSolids,
166 const BOPCol_BaseAllocator& )
4e57c75e 167{
744511c8 168 Standard_Boolean bHasImage;
169 Standard_Integer i, k, aNbS, aNbLIF, nFP, aNbFP, aNbFIN, iIsIN;
170 TopoDS_Solid aSD;
171 TopoDS_Iterator aIt;
172 BRep_Builder aBB;
173 BOPCol_ListIteratorOfListOfInteger aItLI, aItLI1;
174 BOPCol_ListIteratorOfListOfShape aItLS;
175 BOPAlgo_ShapeBox aSB;
176 Handle(NCollection_IncAllocator) aAlr0;
4e57c75e 177 //
744511c8 178 aAlr0=new NCollection_IncAllocator();
179 BOPAlgo_DataMapOfIntegerShapeBox aDMISB(100, aAlr0);
180 BOPAlgo_DataMapIteratorOfDataMapOfIntegerShapeBox aItDMISB;
4e57c75e 181 //
744511c8 182 myErrorStatus=0;
4e57c75e 183 theDraftSolids.Clear();
184 //
744511c8 185 // 1. aDMISB map Index/FaceBox
186 k=0;
4e57c75e 187 aNbS=myDS->NbSourceShapes();
188 for (i=0; i<aNbS; ++i) {
189 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
744511c8 190 if (aSI.ShapeType()!=TopAbs_FACE) {
191 continue;
192 }
193 //
4e57c75e 194 const TopoDS_Shape& aS=aSI.Shape();
195 //
744511c8 196 if (myImages.IsBound(aS)) {
197 const BOPCol_ListOfShape& aLS=myImages.Find(aS);
198 aItLS.Initialize(aLS);
199 for (; aItLS.More(); aItLS.Next()) {
200 const TopoDS_Shape& aSx=aItLS.Value();
201 //
202 Bnd_Box aBox;
203 BRepBndLib::Add(aSx, aBox);
204 //
205 aSB.SetShape(aSx);
206 aSB.SetBox(aBox);
207 //
208 aDMISB.Bind(k, aSB);
209 ++k;
4e57c75e 210 }
744511c8 211 }
212 else {
213 const Bnd_Box& aBox=aSI.Box();
4e57c75e 214 //
744511c8 215 aSB.SetShape(aS);
216 aSB.SetBox(aBox);
4e57c75e 217 //
744511c8 218 aDMISB.Bind(k, aSB);
219 ++k;
4e57c75e 220 }
744511c8 221 }//for (i=0; i<aNbS; ++i) {
4e57c75e 222 //
744511c8 223 // 2. Solids
224 for (i=0; i<aNbS; ++i) {
225 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
226 if (aSI.ShapeType()!=TopAbs_SOLID) {
227 continue;
228 }
229 //
230 //---------------------------------------------
231 Handle(NCollection_IncAllocator) aAlr1;
72e88cf7 232 //
744511c8 233 aAlr1=new NCollection_IncAllocator();
4e57c75e 234 //
744511c8 235 BOPCol_ListOfShape aLFIN(aAlr1);
236 BOPCol_ListOfShape aLIF(aAlr1);
237 BOPCol_IndexedMapOfShape aMF(100, aAlr1);
238 BOPCol_IndexedDataMapOfShapeListOfShape aMEF(100, aAlr1);
4e57c75e 239 //
744511c8 240 BOPDS_BoxBndTreeSelector aSelector;
241 BOPDS_BoxBndTree aBBTree;
242 NCollection_UBTreeFiller <Standard_Integer, Bnd_Box> aTreeFiller(aBBTree);
243 Bnd_Box aBoxS;
72e88cf7 244 //
744511c8 245 const TopoDS_Shape& aS=aSI.Shape();
246 const TopoDS_Solid& aSolid=(*(TopoDS_Solid*)(&aS));
4e57c75e 247 //
744511c8 248 // 2.0 Flag bHasImage
4e57c75e 249 bHasImage=Standard_False;
744511c8 250 aIt.Initialize(aS);
4e57c75e 251 for (; aIt.More(); aIt.Next()) {
252 const TopoDS_Shape& aShell=aIt.Value();
744511c8 253 bHasImage=myImages.IsBound(aShell);
254 if (bHasImage){
255 break;
4e57c75e 256 }
257 }
258 //
744511c8 259 // 2.1 Compute Bnd_Box for the solid aS [ aBoxS ]
260 BuildBndBox(i, aBoxS);
261 //-----
4e57c75e 262 //
744511c8 263 // 2.2 Build Draft Solid [aSD]
264 aBB.MakeSolid(aSD);
4e57c75e 265 //
744511c8 266 BuildDraftSolid(aSolid, aSD, aLIF);
267 aNbLIF=aLIF.Extent();
268 //
269 BOPTools::MapShapesAndAncestors(aSD, TopAbs_EDGE, TopAbs_FACE, aMEF);
270 //
271 // 2.3 Faces from aSD and own internal faces => aMF
272 BOPTools::MapShapes(aSD, TopAbs_FACE, aMF);
273 //
274 aItLS.Initialize(aLIF);
275 for (; aItLS.More(); aItLS.Next()) {
276 const TopoDS_Shape& aFI=aItLS.Value();
277 aMF.Add(aFI);
4e57c75e 278 }
279 //
744511c8 280 // 2.4. Prepare TreeFiller
281 aItDMISB.Initialize(aDMISB);
282 for (; aItDMISB.More(); aItDMISB.Next()) {
283 k=aItDMISB.Key();
284 const BOPAlgo_ShapeBox& aSBk=aItDMISB.Value();
285 const TopoDS_Shape& aFk=aSBk.Shape();
286 if (aMF.Contains(aFk)) {
287 continue;
4e57c75e 288 }
744511c8 289 //
290 const Bnd_Box& aBk=aSBk.Box();
291 //
292 aTreeFiller.Add(k, aBk);
4e57c75e 293 }
294 //
744511c8 295 // 2.5. Shake TreeFiller
296 aTreeFiller.Fill();
297 //
298 // 2.6. Select boxes of faces that are not out of aBoxS
299 aSelector.Clear();
300 aSelector.SetBox(aBoxS);
301 //
302 aNbFP=aBBTree.Select(aSelector);
4e57c75e 303 //
744511c8 304 const BOPCol_ListOfInteger& aLIFP=aSelector.Indices();
305 //
306 // 2.7. Collect faces that are IN aSolid [ aLFIN ]
307 BOPCol_ListOfShape aLFP(aAlr1);
308 BOPCol_ListOfShape aLCBF(aAlr1);
309 BOPCol_MapOfShape aMFDone(100, aAlr1);
310 BOPCol_IndexedMapOfShape aME(100, aAlr1);
311 //
312 BOPTools::MapShapes(aSD, TopAbs_EDGE, aME);
313 //
314 aItLI.Initialize(aLIFP);
315 for (; aItLI.More(); aItLI.Next()) {
316 nFP=aItLI.Value();
317 const BOPAlgo_ShapeBox& aSBF=aDMISB.Find(nFP);
318 const TopoDS_Face& aFP=(*(TopoDS_Face*)&aSBF.Shape());
319 if (aMFDone.Contains(aFP)) {
320 continue;
4e57c75e 321 }
4e57c75e 322 //
744511c8 323 aMFDone.Add(aFP);
324 //
325 iIsIN=BOPTools_AlgoTools::IsInternalFace(aFP, aSD, aMEF, 1.e-14, myContext);
4e57c75e 326 //
4e57c75e 327 aLFP.Clear();
328 aLFP.Append(aFP);
744511c8 329 //
330 aItLI1.Initialize(aLIFP);
331 for (; aItLI1.More(); aItLI1.Next()) {
332 const TopoDS_Shape& aFx=aDMISB.Find(aItLI1.Value()).Shape();
333 if (!aMFDone.Contains(aFx)) {
334 aLFP.Append(aFx);
335 }
4e57c75e 336 }
337 //
4e57c75e 338 aLCBF.Clear();
744511c8 339 //----------------------------------------
72e88cf7 340 {
744511c8 341 Handle(NCollection_IncAllocator) aAlr2;
342 aAlr2=new NCollection_IncAllocator();
72e88cf7 343 //
744511c8 344 BOPTools_AlgoTools::MakeConnexityBlock(aLFP, aME, aLCBF, aAlr2);
72e88cf7 345 }
744511c8 346 //----------------------------------------
347 aItLS.Initialize(aLCBF);
348 for (; aItLS.More(); aItLS.Next()) {
349 const TopoDS_Shape& aFx=aItLS.Value();
350 aMFDone.Add(aFx);
351 if (iIsIN) {
352 aLFIN.Append(aFx);
4e57c75e 353 }
354 }
744511c8 355 }// for (; aItLI.More(); aItLI.Next()) {
4e57c75e 356 //
744511c8 357 // 2.8. Store the results in theInParts, theDraftSolids
358 aNbFIN=aLFIN.Extent();
4e57c75e 359 if (aNbFIN || aNbLIF) {
744511c8 360 aItLS.Initialize(aLIF);
361 for (; aItLS.More(); aItLS.Next()) {
362 const TopoDS_Shape& aFI=aItLS.Value();
363 aLFIN.Append(aFI);
4e57c75e 364 }
4e57c75e 365 theInParts.Bind(aSolid, aLFIN);
366 }
744511c8 367 //
4e57c75e 368 if (aNbFIN || bHasImage) {
744511c8 369 theDraftSolids.Bind(aSolid, aSD);
4e57c75e 370 }
744511c8 371 //---------------------------------------------
372 }// for (i=0; i<aNbS; ++i) {
4e57c75e 373}
744511c8 374
4e57c75e 375//=======================================================================
376//function : BuildDraftSolid
377//purpose :
378//=======================================================================
744511c8 379void BOPAlgo_Builder::BuildDraftSolid(const TopoDS_Shape& theSolid,
380 TopoDS_Shape& theDraftSolid,
381 BOPCol_ListOfShape& theLIF)
4e57c75e 382{
383 myErrorStatus=0;
384 //
385 Standard_Boolean bToReverse;
386 Standard_Integer iFlag;
387 TopAbs_Orientation aOrF, aOrSh, aOrSd;
388 TopoDS_Iterator aIt1, aIt2;
389 TopoDS_Shell aShD;
390 TopoDS_Shape aFSDx, aFx;
391 BRep_Builder aBB;
392 BOPCol_ListIteratorOfListOfShape aItS;
393 //
394 aOrSd=theSolid.Orientation();
395 theDraftSolid.Orientation(aOrSd);
396 //
397 aIt1.Initialize(theSolid);
398 for (; aIt1.More(); aIt1.Next()) {
399 const TopoDS_Shape& aSh=aIt1.Value();
400 if(aSh.ShapeType()!=TopAbs_SHELL) {
401 continue; // mb internal edges,vertices
402 }
403 //
404 aOrSh=aSh.Orientation();
405 aBB.MakeShell(aShD);
406 aShD.Orientation(aOrSh);
407 iFlag=0;
408 //
409 aIt2.Initialize(aSh);
410 for (; aIt2.More(); aIt2.Next()) {
411 const TopoDS_Shape& aF=aIt2.Value();
412 aOrF=aF.Orientation();
413 //
414 if (myImages.IsBound(aF)) {
415 const BOPCol_ListOfShape& aLSp=myImages.Find(aF);
416 aItS.Initialize(aLSp);
417 for (; aItS.More(); aItS.Next()) {
418 aFx=aItS.Value();
419 //
420 if (myShapesSD.IsBound(aFx)) {
421 aFSDx=myShapesSD.Find(aFx);
422 //
423 if (aOrF==TopAbs_INTERNAL) {
424 aFSDx.Orientation(aOrF);
425 theLIF.Append(aFSDx);
426 }
427 else {
428 bToReverse=BOPTools_AlgoTools::IsSplitToReverse(aFSDx, aF, myContext);
429 if (bToReverse) {
430 aFSDx.Reverse();
431 }
432 //
433 iFlag=1;
434 aBB.Add(aShD, aFSDx);
435 }
436 }//if (myShapesSD.IsBound(aFx)) {
437 else {
438 aFx.Orientation(aOrF);
439 if (aOrF==TopAbs_INTERNAL) {
440 theLIF.Append(aFx);
441 }
442 else{
443 iFlag=1;
444 aBB.Add(aShD, aFx);
445 }
446 }
447 }
448 } // if (myImages.IsBound(aF)) {
449 //
450 else {
451 if (aOrF==TopAbs_INTERNAL) {
452 theLIF.Append(aF);
453 }
454 else{
455 iFlag=1;
456 aBB.Add(aShD, aF);
457 }
458 }
459 } //for (; aIt2.More(); aIt2.Next()) {
460 //
461 if (iFlag) {
462 aBB.Add(theDraftSolid, aShD);
463 }
464 } //for (; aIt1.More(); aIt1.Next()) {
465}
466//=======================================================================
467//function : BuildSplitSolids
468//purpose :
469//=======================================================================
744511c8 470void BOPAlgo_Builder::BuildSplitSolids(BOPCol_DataMapOfShapeListOfShape& theInParts,
471 BOPCol_DataMapOfShapeShape& theDraftSolids,
472 const BOPCol_BaseAllocator& )
4e57c75e 473{
474 myErrorStatus=0;
475 //
476 Standard_Boolean bFlagSD;
477 Standard_Integer i, aNbS, iErr, aNbSFS;
478 TopExp_Explorer aExp;
479 BOPCol_ListIteratorOfListOfShape aIt;
480 BOPCol_DataMapIteratorOfDataMapOfShapeShape aIt1;
481 //
744511c8 482 Handle(NCollection_IncAllocator) aAlr0;
483 aAlr0=new NCollection_IncAllocator();
484 //
485 BOPCol_ListOfShape aSFS(aAlr0), aLSEmpty(aAlr0);
486 BOPCol_MapOfShape aMFence(100, aAlr0);
487 BOPTools_MapOfSet aMST(100, aAlr0);
4e57c75e 488 //
489 // 0. Find same domain solids for non-interferred solids
490 aNbS=myDS->NbSourceShapes();
491 for (i=0; i<aNbS; ++i) {
492 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
493 //
494 if (aSI.ShapeType()!=TopAbs_SOLID) {
495 continue;
496 }
497 //
498 const TopoDS_Shape& aS=aSI.Shape();
499 if (!aMFence.Add(aS)) {
500 continue;
501 }
502 if(theDraftSolids.IsBound(aS)) {
503 continue;
504 }
505 //
506 BOPTools_Set aST;
507 //
508 aST.Add(aS, TopAbs_FACE);
509 aMST.Add(aST);
510 //
511 } //for (i=1; i<=aNbS; ++i)
512 //
513 // 1. Build solids for interferred source solids
514 for (i=0; i<aNbS; ++i) {
515 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
516 //
517 if (aSI.ShapeType()!=TopAbs_SOLID) {
518 continue;
519 }
520 //
521 const TopoDS_Shape& aS=aSI.Shape();
522 if(!theDraftSolids.IsBound(aS)) {
523 continue;
524 }
525 const TopoDS_Shape& aSD=theDraftSolids.Find(aS);
526 const BOPCol_ListOfShape& aLFIN=
527 (theInParts.IsBound(aS)) ? theInParts.Find(aS) : aLSEmpty;
528 //
529 // 1.1 Fill Shell Faces Set
530 aSFS.Clear();
531 aExp.Init(aSD, TopAbs_FACE);
532 for (; aExp.More(); aExp.Next()) {
533 const TopoDS_Shape& aF=aExp.Current();
534 aSFS.Append(aF);
535 }
536 //
537 aIt.Initialize(aLFIN);
538 for (; aIt.More(); aIt.Next()) {
539 TopoDS_Shape aF=aIt.Value();
540 //
541 aF.Orientation(TopAbs_FORWARD);
542 aSFS.Append(aF);
543 aF.Orientation(TopAbs_REVERSED);
544 aSFS.Append(aF);
545 }
546 //
547 aNbSFS=aSFS.Extent();
4e57c75e 548 //
744511c8 549 // 1.3 Build new solids
550 Handle(NCollection_IncAllocator) aAlr1;
551 aAlr1=new NCollection_IncAllocator();
552 //
553 BOPAlgo_BuilderSolid aSB(aAlr1);
4e57c75e 554 //
555 //aSB.SetContext(myContext);
556 aSB.SetShapes(aSFS);
557 aSB.Perform();
558 iErr=aSB.ErrorStatus();
559 if (iErr) {
560 myErrorStatus=30; // SolidBuilder failed
561 return;
562 }
563 //
564 const BOPCol_ListOfShape& aLSR=aSB.Areas();
565 //
566 // 1.4 Collect resulting solids and theirs set of faces.
567 // Update Images.
568 if (!myImages.IsBound(aS)) {
569 BOPCol_ListOfShape aLSx;
570 //
571 myImages.Bind(aS, aLSx);
572 BOPCol_ListOfShape& aLSIm=myImages.ChangeFind(aS);
573 //
574 aIt.Initialize(aLSR);
575 for (; aIt.More(); aIt.Next()) {
576 BOPTools_Set aST;
577 //
578 const TopoDS_Shape& aSR=aIt.Value();
579 aST.Add(aSR, TopAbs_FACE);
580 //
581 bFlagSD=aMST.Contains(aST);
582 //
583 const BOPTools_Set& aSTx=aMST.Added(aST);
584 const TopoDS_Shape& aSx=aSTx.Shape();
585 aLSIm.Append(aSx);
586 //
587 if (bFlagSD) {
588 myShapesSD.Bind(aSR, aSx);
589 }
590 }
591 }
744511c8 592 }// for (i=0; i<aNbS; ++i) {
4e57c75e 593}
594
595//=======================================================================
596//function :FillInternalShapes
597//purpose :
598//=======================================================================
744511c8 599void BOPAlgo_Builder::FillInternalShapes()
4e57c75e 600{
601 myErrorStatus=0;
602 //
603 Standard_Integer i, j, aNbS, aNbSI, aNbSx, aNbSd;
604 TopAbs_ShapeEnum aType;
605 TopAbs_State aState;
606 TopoDS_Iterator aItS;
607 BRep_Builder aBB;
608 BOPCol_MapIteratorOfMapOfShape aItM;
609 BOPCol_ListIteratorOfListOfShape aIt, aIt1;
610 //
611 Handle(NCollection_IncAllocator) aAllocator;
612 //-----------------------------------------------------scope f
613 aAllocator=new NCollection_IncAllocator();
614 //
615 BOPCol_IndexedDataMapOfShapeListOfShape aMSx(100, aAllocator);
616 BOPCol_IndexedMapOfShape aMx(100, aAllocator);
617 BOPCol_MapOfShape aMSI(100, aAllocator);
618 BOPCol_MapOfShape aMFence(100, aAllocator);
619 BOPCol_MapOfShape aMSOr(100, aAllocator);
620 BOPCol_ListOfShape aLSd(aAllocator);
621 BOPCol_ListOfShape aLArgs(aAllocator);
c884a268 622 BOPCol_ListOfShape aLSC(aAllocator);
4e57c75e 623 //
624 // 1. Shapes to process
625 //
626 // 1.1 Shapes from pure arguments aMSI
627 // 1.1.1 vertex, edge, wire
628 //
629 aIt.Initialize(myArguments);
630 for (; aIt.More(); aIt.Next()) {
631 const TopoDS_Shape& aS=aIt.Value();
c884a268 632 TreatCompound(aS, aMFence, aLSC);
633 }
634 aIt.Initialize(aLSC);
635 for (; aIt.More(); aIt.Next()) {
636 const TopoDS_Shape& aS=aIt.Value();
4e57c75e 637 aType=aS.ShapeType();
638 if (aType==TopAbs_WIRE) {
639 aItS.Initialize(aS);
640 for(; aItS.More(); aItS.Next()) {
641 const TopoDS_Shape& aE=aItS.Value();
642 if (aMFence.Add(aE)) {
643 aLArgs.Append(aE);
644 }
645 }
646 }
647 else if (aType==TopAbs_VERTEX || aType==TopAbs_EDGE){
648 aLArgs.Append(aS);
649 }
650 }
651 aMFence.Clear();
652 //
653 aIt.Initialize(aLArgs);
654 for (; aIt.More(); aIt.Next()) {
655 const TopoDS_Shape& aS=aIt.Value();
656 aType=aS.ShapeType();
657 if (aType==TopAbs_VERTEX || aType==TopAbs_EDGE ||aType==TopAbs_WIRE) {
658 if (aMFence.Add(aS)) {
659 if (myImages.IsBound(aS)) {
660 const BOPCol_ListOfShape &aLSp=myImages.Find(aS);
661 aIt1.Initialize(aLSp);
662 for (; aIt1.More(); aIt1.Next()) {
663 const TopoDS_Shape& aSp=aIt1.Value();
664 aMSI.Add(aSp);
665 }
666 }
667 else {
668 aMSI.Add(aS);
669 }
670 }
671 }
672 }
673
674 aNbSI=aMSI.Extent();
675 //
676 // 2. Internal vertices, edges from source solids
677 aMFence.Clear();
678 aLSd.Clear();
679 //
680 aNbS=myDS->NbSourceShapes();
681 for (i=0; i<aNbS; ++i) {
682 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(i);
683 //
684 if (aSI.ShapeType()!=TopAbs_SOLID) {
685 continue;
686 }
687 //
688 const TopoDS_Shape& aS=aSI.Shape();
689 //
690 aMx.Clear();
691 OwnInternalShapes(aS, aMx);
692 //
693 aNbSx=aMx.Extent();
694 for (j=1; j<=aNbSx; ++j) {
695 const TopoDS_Shape& aSi=aMx(j);
696 if (myImages.IsBound(aSi)) {
697 const BOPCol_ListOfShape &aLSp=myImages.Find(aSi);
698 aIt1.Initialize(aLSp);
699 for (; aIt1.More(); aIt1.Next()) {
700 const TopoDS_Shape& aSp=aIt1.Value();
701 aMSI.Add(aSp);
702 }
703 }
704 else {
705 aMSI.Add(aSi);
706 }
707 }
708 //
709 // build aux map from splits of solids
710 if (myImages.IsBound(aS)) {
711 const BOPCol_ListOfShape &aLSp=myImages.Find(aS);
712 aIt.Initialize(aLSp);
713 for (; aIt.More(); aIt.Next()) {
714 const TopoDS_Shape& aSp=aIt.Value();
715 if (aMFence.Add(aSp)) {
716 BOPTools::MapShapesAndAncestors(aSp, TopAbs_VERTEX, TopAbs_EDGE, aMSx);
717 BOPTools::MapShapesAndAncestors(aSp, TopAbs_VERTEX, TopAbs_FACE, aMSx);
718 BOPTools::MapShapesAndAncestors(aSp, TopAbs_EDGE , TopAbs_FACE, aMSx);
719 aLSd.Append(aSp);
720 }
721 }
722 }
723 else {
724 if (aMFence.Add(aS)) {
725 BOPTools::MapShapesAndAncestors(aS, TopAbs_VERTEX, TopAbs_EDGE, aMSx);
726 BOPTools::MapShapesAndAncestors(aS, TopAbs_VERTEX, TopAbs_FACE, aMSx);
727 BOPTools::MapShapesAndAncestors(aS, TopAbs_EDGE , TopAbs_FACE, aMSx);
728 aLSd.Append(aS);
729 aMSOr.Add(aS);
730 }
731 }
732 }// for (i=0; i<aNbS; ++i) {
733 //
734 aNbSd=aLSd.Extent();
735 //
736 // 3. Some shapes of aMSI can be already tied with faces of
737 // split solids
738 aItM.Initialize(aMSI);
739 for (; aItM.More(); aItM.Next()) {
740 const TopoDS_Shape& aSI=aItM.Key();
741 if (aMSx.Contains(aSI)) {
742 const BOPCol_ListOfShape &aLSx=aMSx.FindFromKey(aSI);
743 aNbSx=aLSx.Extent();
744 if (aNbSx) {
745 aMSI.Remove(aSI);
746 }
747 }
748 }
749 //
750 // 4. Just check it
751 aNbSI=aMSI.Extent();
752 if (!aNbSI) {
753 return;
754 }
755 //
756 // 5 Settle internal vertices and edges into solids
757 aMx.Clear();
758 aIt.Initialize(aLSd);
759 for (; aIt.More(); aIt.Next()) {
760 TopoDS_Solid aSd=TopoDS::Solid(aIt.Value());
761 //
762 aItM.Initialize(aMSI);
763 for (; aItM.More(); aItM.Next()) {
764 TopoDS_Shape aSI=aItM.Key();
765 aSI.Orientation(TopAbs_INTERNAL);
766 //
767 aState=BOPTools_AlgoTools::ComputeStateByOnePoint(aSI, aSd, 1.e-11, myContext);
768 if (aState==TopAbs_IN) {
769 //
770 if(aMSOr.Contains(aSd)) {
771 //
772 TopoDS_Solid aSdx;
773 //
774 aBB.MakeSolid(aSdx);
775 aItS.Initialize(aSd);
776 for (; aItS.More(); aItS.Next()) {
777 const TopoDS_Shape& aSh=aItS.Value();
778 aBB.Add(aSdx, aSh);
779 }
780 //
781 aBB.Add(aSdx, aSI);
782 //
783 if (myImages.IsBound(aSdx)) {
784 BOPCol_ListOfShape& aLS=myImages.ChangeFind(aSdx);
785 aLS.Append(aSdx);
786 }
787 else {
788 BOPCol_ListOfShape aLS;
789 aLS.Append(aSdx);
790 myImages.Bind(aSd, aLS);
791 }
792 //
793 aMSOr.Remove(aSd);
794 aSd=aSdx;
795 }
796 else {
797 aBB.Add(aSd, aSI);
798 }
799 //
800 aMSI.Remove(aSI);
801 } //if (aState==TopAbs_IN) {
802 }// for (; aItM.More(); aItM.Next()) {
803 }//for (; aIt1.More(); aIt1.Next()) {
804 //
805 //-----------------------------------------------------scope t
806 aLArgs.Clear();
807 aLSd.Clear();
808 aMSOr.Clear();
809 aMFence.Clear();
810 aMSI.Clear();
811 aMx.Clear();
812 aMSx.Clear();
813}
814//=======================================================================
744511c8 815//function : BuildBndBox
816//purpose :
817//=======================================================================
818void BOPAlgo_Builder::BuildBndBox(const Standard_Integer theIndex,
819 Bnd_Box& aBoxS)
820{
821 Standard_Boolean bIsOpenBox;
822 Standard_Integer nSh, nFc;
823 Standard_Real aTolS, aTolFc;
824 TopAbs_State aState;
825 BOPCol_ListIteratorOfListOfInteger aItLI, aItLI1;
826 //
827 const BOPDS_ShapeInfo& aSI=myDS->ShapeInfo(theIndex);
828 const TopoDS_Shape& aS=aSI.Shape();
829 const TopoDS_Solid& aSolid=(*(TopoDS_Solid*)(&aS));
830 //
831 bIsOpenBox=Standard_False;
832 //
833 aTolS=0.;
834 const BOPCol_ListOfInteger& aLISh=aSI.SubShapes();
835 aItLI.Initialize(aLISh);
836 for (; aItLI.More(); aItLI.Next()) {
837 nSh=aItLI.Value();
838 const BOPDS_ShapeInfo& aSISh=myDS->ShapeInfo(nSh);
839 if (aSISh.ShapeType()!=TopAbs_SHELL) {
840 continue;
841 }
842 //
843 const BOPCol_ListOfInteger& aLIFc=aSISh.SubShapes();
844 aItLI1.Initialize(aLIFc);
845 for (; aItLI1.More(); aItLI1.Next()) {
846 nFc=aItLI1.Value();
847 const BOPDS_ShapeInfo& aSIFc=myDS->ShapeInfo(nFc);
848 if (aSIFc.ShapeType()!=TopAbs_FACE) {
849 continue;
850 }
851 //
852 const Bnd_Box& aBFc=aSIFc.Box();
853 aBoxS.Add(aBFc);
854 //
855 if (!bIsOpenBox) {
856 bIsOpenBox=(aBFc.IsOpenXmin() || aBFc.IsOpenXmax() ||
857 aBFc.IsOpenYmin() || aBFc.IsOpenYmax() ||
858 aBFc.IsOpenZmin() || aBFc.IsOpenZmax());
859 if (bIsOpenBox) {
860 break;
861 }
862 }
863 //
864 const TopoDS_Face& aFc=*((TopoDS_Face*)&aSIFc.Shape());
865 aTolFc=BRep_Tool::Tolerance(aFc);
866 if (aTolFc>aTolS) {
867 aTolS=aTolFc;
868 }
869 }//for (; aItLI1.More(); aItLI1.Next()) {
870 if (bIsOpenBox) {
871 break;
872 }
873 //
874 const TopoDS_Shell& aSh=*((TopoDS_Shell*)&aSISh.Shape());
875 bIsOpenBox=IsClosedShell(aSh);
876 if (bIsOpenBox) {
877 break;
878 }
879 }//for (; aItLI.More(); aItLI.Next()) {
880 //
881 if (bIsOpenBox) {
882 aBoxS.SetWhole();
883 }
884 else {
885 BRepClass3d_SolidClassifier& aSC=myContext->SolidClassifier(aSolid);
886 aSC.PerformInfinitePoint(aTolS);
887 aState=aSC.State();
888 if (aState==TopAbs_IN) {
889 aBoxS.SetWhole();
890 }
891 }
892}
893//=======================================================================
4e57c75e 894//function : OwnInternalShapes
895//purpose :
896//=======================================================================
897 void OwnInternalShapes(const TopoDS_Shape& theS,
898 BOPCol_IndexedMapOfShape& theMx)
899{
900 TopoDS_Iterator aIt;
901 //
902 aIt.Initialize(theS);
903 for (; aIt.More(); aIt.Next()) {
904 const TopoDS_Shape& aSx=aIt.Value();
905 if (aSx.ShapeType()!=TopAbs_SHELL) {
906 theMx.Add(aSx);
907 }
908 }
909}
744511c8 910//=======================================================================
911//function : IsClosedShell
912//purpose :
913//=======================================================================
914Standard_Boolean IsClosedShell(const TopoDS_Shell& aSh)
915{
916 Standard_Boolean bRet;
917 Standard_Integer i, aNbE, aNbF;
918 TopAbs_Orientation aOrF;
919 BOPCol_IndexedDataMapOfShapeListOfShape aMEF;
920 BOPCol_ListIteratorOfListOfShape aItLS;
921 //
922 bRet=Standard_False;
923 //
924 BOPTools::MapShapesAndAncestors(aSh, TopAbs_EDGE, TopAbs_FACE, aMEF);
925 //
926 aNbE=aMEF.Extent();
927 for (i=1; i<=aNbE; ++i) {
928 const TopoDS_Edge& aE=*((TopoDS_Edge*)&aMEF.FindKey(i));
929 if (BRep_Tool::Degenerated(aE)) {
930 continue;
931 }
932 //
933 aNbF=0;
934 const BOPCol_ListOfShape& aLF=aMEF(i);
935 aItLS.Initialize(aLF);
936 for (; aItLS.More(); aItLS.Next()) {
937 const TopoDS_Shape& aF=aItLS.Value();
938 aOrF=aF.Orientation();
939 if (aOrF==TopAbs_INTERNAL || aOrF==TopAbs_EXTERNAL) {
940 continue;
941 }
942 ++aNbF;
943 }
944 //
945 if (aNbF==1) {
946 bRet=!bRet; // True
947 break;
948 }
949 }
950 //
951 return bRet;
952}
c884a268 953//=======================================================================
954//function : TreatCompound
955//purpose :
956//=======================================================================
957void TreatCompound(const TopoDS_Shape& theS,
958 BOPCol_MapOfShape& aMFence,
959 BOPCol_ListOfShape& theLS)
960{
961 TopAbs_ShapeEnum aType;
962 //
963 aType = theS.ShapeType();
964 if (aType != TopAbs_COMPOUND) {
965 if (aMFence.Add(theS)) {
966 theLS.Append(theS);
967 }
968 return;
969 }
970 //
971 TopoDS_Iterator aIt;
972 //
973 aIt.Initialize(theS);
974 for (; aIt.More(); aIt.Next()) {
975 const TopoDS_Shape& aS = aIt.Value();
976 TreatCompound(aS, aMFence, theLS);
977 }
978}
744511c8 979
4e57c75e 980//
981// ErrorStatus
982// 30 - SolidBuilder failed
983// A
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