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0025780: checkshape raises an exception Standard_OutOfMemory.
[occt.git] / src / BOPTools / BOPTools_AlgoTools_1.cxx
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4e57c75e 1// Created by: Peter KURNEV
973c2be1 2// Copyright (c) 1999-2014 OPEN CASCADE SAS
4e57c75e 3//
973c2be1 4// This file is part of Open CASCADE Technology software library.
4e57c75e 5//
d5f74e42 6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
4e57c75e 11//
973c2be1 12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
4e57c75e 14
15#include <BOPTools_AlgoTools.ixx>
c26b5a34 16//
17#include <gp_Pnt.hxx>
18#include <gp_Pnt2d.hxx>
19//
20#include <Adaptor3d_HCurve.hxx>
21#include <Adaptor3d_CurveOnSurface.hxx>
22#include <Adaptor3d_HCurveOnSurface.hxx>
23//
4e57c75e 24#include <Geom_Curve.hxx>
25#include <Geom_Surface.hxx>
26#include <Geom_Plane.hxx>
27#include <Geom_TrimmedCurve.hxx>
c26b5a34 28#include <Geom_RectangularTrimmedSurface.hxx>
29//
30#include <GeomAdaptor_Surface.hxx>
4e57c75e 31#include <GeomAdaptor_Curve.hxx>
32#include <GeomAdaptor_HCurve.hxx>
33#include <GeomAdaptor_HSurface.hxx>
c26b5a34 34//
4e57c75e 35#include <Geom2d_Curve.hxx>
c26b5a34 36#include <Geom2dInt_GInter.hxx>
37#include <Geom2dAdaptor_Curve.hxx>
4e57c75e 38#include <Geom2dAdaptor_HCurve.hxx>
4e57c75e 39#include <Geom2dAdaptor.hxx>
c26b5a34 40//
4e57c75e 41#include <GeomProjLib.hxx>
c26b5a34 42//
4e57c75e 43#include <ProjLib_ProjectedCurve.hxx>
44#include <Extrema_LocateExtPC.hxx>
4e57c75e 45//
c26b5a34 46#include <IntRes2d_Domain.hxx>
47#include <IntRes2d_IntersectionPoint.hxx>
48//
49#include <TopLoc_Location.hxx>
50//
51#include <TopoDS.hxx>
52#include <TopoDS_Edge.hxx>
53#include <TopoDS_Vertex.hxx>
54#include <TopoDS_Face.hxx>
4e57c75e 55#include <TopoDS_Iterator.hxx>
56#include <TopoDS_Wire.hxx>
c26b5a34 57//
58#include <BRep_TVertex.hxx>
59#include <BRep_TEdge.hxx>
60#include <BRep_TFace.hxx>
4e57c75e 61#include <BRep_Tool.hxx>
c26b5a34 62#include <BRep_GCurve.hxx>
63#include <BRep_ListIteratorOfListOfPointRepresentation.hxx>
64#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
65#include <BRep_CurveRepresentation.hxx>
66#include <BRep_PointRepresentation.hxx>
4e57c75e 67#include <BRep_Builder.hxx>
c26b5a34 68//
69#include <BRepAdaptor_Surface.hxx>
70//
71#include <BRepTools_WireExplorer.hxx>
72//
73#include <TopExp.hxx>
74#include <TopExp_Explorer.hxx>
75#include <TopTools_IndexedMapOfShape.hxx>
4e57c75e 76#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
77#include <TopTools_ListOfShape.hxx>
78#include <TopTools_ListIteratorOfListOfShape.hxx>
c26b5a34 79//
1b7ae951 80#include <IntTools_Tools.hxx>
81//
c26b5a34 82#include <BOPCol_NCVector.hxx>
83#include <BOPCol_TBB.hxx>
1b7ae951 84#include <BRepLib_CheckCurveOnSurface.hxx>
4e57c75e 85
86static
87 void CheckEdge (const TopoDS_Edge& E,
88 const Standard_Real aMaxTol);
89static
90 void CorrectEdgeTolerance (const TopoDS_Edge& myShape,
91 const TopoDS_Face& S,
92 const Standard_Real aMaxTol);
93static
94 Standard_Boolean Validate(const Adaptor3d_Curve& CRef,
95 const Adaptor3d_Curve& Other,
96 const Standard_Real Tol,
97 const Standard_Boolean SameParameter,
98 Standard_Real& aNewTolerance);
99
100static
101 void CorrectVertexTolerance(const TopoDS_Edge& aE);
102
103static
104 void CorrectWires(const TopoDS_Face& aF);
105
c26b5a34 106
107
108static
109 void UpdateEdges(const TopoDS_Face& aF);
110
b4109929 111static
112 Standard_Real IntersectCurves2d(const gp_Pnt& aPV,
113 const TopoDS_Face& aF,
c26b5a34 114 const Handle(Geom_Surface)& aS,
b4109929 115 const TopoDS_Edge& aE1,
116 const TopoDS_Edge& aE2);
117
4e57c75e 118
4e57c75e 119
c26b5a34 120//=======================================================================
121//class : BOPTools_CPC
122//purpose :
123//=======================================================================
124class BOPTools_CPC {
125 public:
126 BOPTools_CPC()
127 : myMaxTol(1.e-7) {
128 }
129 //
130 ~BOPTools_CPC() {
131 }
132 //
133 void SetEdge(const TopoDS_Edge& aE) {
134 myEdge=aE;
135 }
136 //
137 const TopoDS_Edge& Edge()const {
138 return myEdge;
139 }
140 //
141 void SetMaxTol(const Standard_Real aMaxTol) {
142 myMaxTol=aMaxTol;
143 }
144 //
145 Standard_Real MaxTol()const {
146 return myMaxTol;
147 }
148 //
149 void Perform() {
150 CheckEdge(myEdge, myMaxTol);
151 }
152
153 protected:
154 Standard_Real myMaxTol;
155 TopoDS_Edge myEdge;
156};
157//
158//=======================================================================
159typedef BOPCol_NCVector<BOPTools_CPC> BOPTools_VectorOfCPC;
160//
161typedef BOPCol_TBBFunctor
162 <BOPTools_CPC,
163 BOPTools_VectorOfCPC> BOPTools_CPCFunctor;
164//
165typedef BOPCol_TBBCnt
166 <BOPTools_CPCFunctor,
167 BOPTools_VectorOfCPC> BOPTools_CPCCnt;
168//
169//=======================================================================
170//class : BOPTools_CWT
171//purpose :
172//=======================================================================
173class BOPTools_CWT {
174 public:
175 BOPTools_CWT() {
176 }
177 //
178 ~BOPTools_CWT() {
179 }
180 //
181 void SetFace(const TopoDS_Face& aF) {
182 myFace=aF;
183 }
184 //
185 void Perform() {
186 CorrectWires(myFace);
187 }
188 //
189 protected:
190 TopoDS_Face myFace;
191};
192//=======================================================================
193typedef BOPCol_NCVector<BOPTools_CWT> BOPTools_VectorOfCWT;
194//
195typedef BOPCol_TBBFunctor
196 <BOPTools_CWT,
197 BOPTools_VectorOfCWT> BOPTools_CWTFunctor;
198//
199typedef BOPCol_TBBCnt
200 <BOPTools_CWTFunctor,
201 BOPTools_VectorOfCWT> BOPTools_CWTCnt;
202//
203//=======================================================================
204//class : BOPTools_CDT
205//purpose :
206//=======================================================================
207class BOPTools_CDT {
208 public:
209 BOPTools_CDT()
210 : myMaxTol(1.e-7) {
211 }
212 //
213 ~BOPTools_CDT() {
214 }
215 //
216 void SetEdge(const TopoDS_Edge& aE) {
217 myEdge=aE;
218 }
219 //
220 void SetFace(const TopoDS_Face& aF) {
221 myFace=aF;
222 }
223 //
224 void SetMaxTol(const Standard_Real aMaxTol) {
225 myMaxTol=aMaxTol;
226 }
227 //
228 void Perform() {
229 CorrectEdgeTolerance (myEdge, myFace, myMaxTol);
230 }
231 //
232 protected:
233 Standard_Real myMaxTol;
234 TopoDS_Edge myEdge;
235 TopoDS_Face myFace;
236};
237//=======================================================================
238typedef BOPCol_NCVector<BOPTools_CDT> BOPTools_VectorOfCDT;
239//
240typedef BOPCol_TBBFunctor
241 <BOPTools_CDT,
242 BOPTools_VectorOfCDT> BOPTools_CDTFunctor;
243//
244typedef BOPCol_TBBCnt
245 <BOPTools_CDTFunctor,
246 BOPTools_VectorOfCDT> BOPTools_CDTCnt;
247//
248//=======================================================================
249//class : BOPTools_CVT
250//purpose :
251//=======================================================================
252class BOPTools_CVT {
253 public:
254 BOPTools_CVT() {
255 }
256 //
257 ~BOPTools_CVT() {
258 }
259 //
260 void SetEdge(const TopoDS_Edge& aE) {
261 myEdge=aE;
262 }
263 //
264 void Perform() {
265 CorrectVertexTolerance(myEdge);
266 }
267 //
268 protected:
269 TopoDS_Edge myEdge;
270};
271//
272//=======================================================================
273typedef BOPCol_NCVector<BOPTools_CVT> BOPTools_VectorOfCVT;
274//
275typedef BOPCol_TBBFunctor
276 <BOPTools_CVT,
277 BOPTools_VectorOfCVT> BOPTools_CVTFunctor;
278//
279typedef BOPCol_TBBCnt
280 <BOPTools_CVTFunctor,
281 BOPTools_VectorOfCVT> BOPTools_CVTCnt;
282//
283//=======================================================================
284//class : BOPTools_CET
285//purpose :
286//=======================================================================
287class BOPTools_CET {
288 public:
289 BOPTools_CET() {
290 }
291 //
292 ~BOPTools_CET() {
293 }
294 //
295 void SetFace(const TopoDS_Face& aF) {
296 myFace=aF;
297 }
298 //
299 void Perform() {
300 UpdateEdges(myFace);
301 }
302 //
303 protected:
304 TopoDS_Face myFace;
305};
306//=======================================================================
307typedef BOPCol_NCVector<BOPTools_CET> BOPTools_VectorOfCET;
308//
309typedef BOPCol_TBBFunctor
310 <BOPTools_CET,
311 BOPTools_VectorOfCET> BOPTools_CETFunctor;
312//
313typedef BOPCol_TBBCnt
314 <BOPTools_CETFunctor,
315 BOPTools_VectorOfCET> BOPTools_CETCnt;
316//
e98e3990 317//
318//=======================================================================
e98e3990 319//
4e57c75e 320//=======================================================================
321// Function : CorrectTolerances
322// purpose :
323//=======================================================================
c26b5a34 324void BOPTools_AlgoTools::CorrectTolerances
325 (const TopoDS_Shape& aShape,
326 const Standard_Real aMaxTol,
327 const Standard_Boolean bRunParallel)
4e57c75e 328{
c26b5a34 329 BOPTools_AlgoTools::CorrectPointOnCurve(aShape, aMaxTol, bRunParallel);
330 BOPTools_AlgoTools::CorrectCurveOnSurface(aShape, aMaxTol, bRunParallel);
4e57c75e 331}
c26b5a34 332//
4e57c75e 333//=======================================================================
334// Function : CorrectPointOnCurve
335// purpose :
336//=======================================================================
c26b5a34 337void BOPTools_AlgoTools::CorrectPointOnCurve
338 (const TopoDS_Shape& aS,
339 const Standard_Real aMaxTol,
340 const Standard_Boolean bRunParallel)
4e57c75e 341{
c26b5a34 342 TopExp_Explorer aExp;
343 BOPTools_VectorOfCPC aVCPC;
344 //
345 aExp.Init(aS, TopAbs_EDGE);
346 for(; aExp.More(); aExp.Next()) {
347 const TopoDS_Edge& aE=*((TopoDS_Edge*)&aExp.Current());
348 BOPTools_CPC& aCPC=aVCPC.Append1();
349 aCPC.SetEdge(aE);
350 aCPC.SetMaxTol(aMaxTol);
351 }
352 //
353 //======================================================
354 BOPTools_CPCCnt::Perform(bRunParallel, aVCPC);
355 //======================================================
4e57c75e 356}
4e57c75e 357//=======================================================================
358// Function : CorrectCurveOnSurface
359// purpose :
360//=======================================================================
c26b5a34 361void BOPTools_AlgoTools::CorrectCurveOnSurface
362 (const TopoDS_Shape& aS,
363 const Standard_Real aMaxTol,
364 const Standard_Boolean bRunParallel)
4e57c75e 365{
c26b5a34 366 TopExp_Explorer aExpF, aExpE;
367 BOPTools_VectorOfCWT aVCWT;
368 BOPTools_VectorOfCDT aVCDT;
369 //
370 aExpF.Init(aS, TopAbs_FACE);
371 for (; aExpF.More(); aExpF.Next()) {
372 const TopoDS_Face& aF=*((TopoDS_Face*)&aExpF.Current());
4e57c75e 373 //
c26b5a34 374 BOPTools_CWT& aCWT=aVCWT.Append1();
375 aCWT.SetFace(aF);
4e57c75e 376 //
c26b5a34 377 aExpE.Init(aF, TopAbs_EDGE);
378 for (; aExpE.More(); aExpE.Next()) {
379 const TopoDS_Edge& aE=*((TopoDS_Edge*)&aExpE.Current());
380 //
381 BOPTools_CDT& aCDT=aVCDT.Append1();
382 aCDT.SetEdge(aE);
383 aCDT.SetFace(aF);
384 aCDT.SetMaxTol(aMaxTol);
4e57c75e 385 }
386 }
c26b5a34 387 //
388 //======================================================
389 BOPTools_CWTCnt::Perform(bRunParallel, aVCWT);
390 //======================================================
391 BOPTools_CDTCnt::Perform(bRunParallel, aVCDT);
392 //======================================================
393}
394//=======================================================================
395// Function : CorrectShapeTolerances
396// purpose :
397//=======================================================================
398void BOPTools_AlgoTools::CorrectShapeTolerances
399 (const TopoDS_Shape& aShape,
400 const Standard_Boolean bRunParallel)
401{
402 TopExp_Explorer aExp;
403 BOPTools_VectorOfCVT aVCVT;
404 BOPTools_VectorOfCET aVCET;
405 //
406 aExp.Init(aShape, TopAbs_EDGE);
407 for (; aExp.More(); aExp.Next()) {
408 const TopoDS_Edge& aE = *(TopoDS_Edge*)&aExp.Current();
409 BOPTools_CVT& aCVT=aVCVT.Append1();
410 aCVT.SetEdge(aE);
411 }
412 //
413 //======================================================
414 BOPTools_CVTCnt::Perform(bRunParallel, aVCVT);
415 //======================================================
416 //
417 aExp.Init(aShape, TopAbs_FACE);
418 for (; aExp.More(); aExp.Next()) {
419 const TopoDS_Face& aF = *(TopoDS_Face*)&aExp.Current();
420 BOPTools_CET& aCET=aVCET.Append1();
421 aCET.SetFace(aF);
422 }
423 //
424 //======================================================
425 BOPTools_CETCnt::Perform(bRunParallel, aVCET);
426 //======================================================
427}
428//
429//=======================================================================
430// Function : CheckEdge
431// purpose : Correct tolerances for Vertices on Edge
432//=======================================================================
433void CheckEdge (const TopoDS_Edge& Ed,
434 const Standard_Real aMaxTol)
435{
436 Standard_Real aTolE, aTol, aD2, aNewTolerance, dd;
437 gp_Pnt aPC;
438 TopLoc_Location L;
439 TopoDS_Edge aE;
440 TopoDS_Vertex aV;
441 TopoDS_Iterator aItS;
442 //
443 TopAbs_Orientation aOrV;
444 BRep_ListIteratorOfListOfPointRepresentation aItPR;
445 BRep_ListIteratorOfListOfCurveRepresentation aItCR;
446 //
447 aE=Ed;
448 aE.Orientation(TopAbs_FORWARD);
449 aTolE=BRep_Tool::Tolerance(aE);
450 //
451 Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&aE.TShape());
452 //
453 aItS.Initialize(aE);
454 for (; aItS.More(); aItS.Next()) {
455 aV= TopoDS::Vertex(aItS.Value());
456 //
457 Handle(BRep_TVertex)& TV=*((Handle(BRep_TVertex)*)&aV.TShape());
458 const gp_Pnt& aPV = TV->Pnt();
459 //
460 aTol=BRep_Tool::Tolerance(aV);
461 aTol=Max(aTol, aTolE);
462 dd=0.1*aTol;
463 aTol*=aTol;
464 //
465 const TopLoc_Location& Eloc = aE.Location();
466 //
467 aItCR.Initialize(TE->Curves());
468 while (aItCR.More()) {
469 const Handle(BRep_CurveRepresentation)& aCR = aItCR.Value();
470 const TopLoc_Location& loc = aCR->Location();
471 L = (Eloc * loc).Predivided(aV.Location());
472 //
473 if (aCR->IsCurve3D()) {
474 const Handle(Geom_Curve)& aC = aCR->Curve3D();
475 if (!aC.IsNull()) {
476 aItPR.Initialize(TV->Points());
477 while (aItPR.More()) {
478 const Handle(BRep_PointRepresentation)& aPR=aItPR.Value();
479 if (aPR->IsPointOnCurve(aC, L)) {
480 aPC = aC->Value(aPR->Parameter());
481 aPC.Transform(L.Transformation());
482 aD2=aPV.SquareDistance(aPC);
483 if (aD2 > aTol) {
484 aNewTolerance=sqrt(aD2)+dd;
485 if (aNewTolerance<aMaxTol)
486 TV->UpdateTolerance(aNewTolerance);
487 }
488 }
489 aItPR.Next();
490 }
491 //
492 aOrV=aV.Orientation();
493 if (aOrV==TopAbs_FORWARD || aOrV==TopAbs_REVERSED) {
494 const Handle(BRep_GCurve)& aGC=*((Handle(BRep_GCurve)*)&aCR);
495
496 if (aOrV==TopAbs_FORWARD) {
497 aPC=aC->Value(aGC->First());
498 }
499 else {
500 aPC=aC->Value(aGC->Last());
501 }
502 aPC.Transform(L.Transformation());
503 //
504 aD2=aPV.SquareDistance(aPC);
505 if (aD2 > aTol) {
506 aNewTolerance=sqrt(aD2)+dd;
507 if (aNewTolerance<aMaxTol)
508 TV->UpdateTolerance(aNewTolerance);
509 }
510 }
511 }
512 }
513 aItCR.Next();
514 }// while (itcr.More()) {
515 } // for (; aVExp.More(); aVExp.Next()) {
4e57c75e 516}
517//=======================================================================
518// Function : CorrectWires
519// purpose :
520//=======================================================================
521void CorrectWires(const TopoDS_Face& aFx)
522{
c26b5a34 523 Standard_Boolean bIsPeriodic;
4e57c75e 524 Standard_Integer i, aNbV;
96a95605 525 Standard_Real aTol, aTol2, aD2, aD2max, aT1, aT2, aT;
4e57c75e 526 gp_Pnt aP, aPV;
527 gp_Pnt2d aP2D;
528 TopoDS_Face aF;
c26b5a34 529 TopoDS_Vertex aV11, aV12, aV21, aV22;;
4e57c75e 530 TopTools_IndexedDataMapOfShapeListOfShape aMVE;
b4109929 531 TopTools_ListIteratorOfListOfShape aIt, aIt1;
4e57c75e 532 //
533 aF=aFx;
534 aF.Orientation(TopAbs_FORWARD);
b4109929 535 const Handle(Geom_Surface)& aS=BRep_Tool::Surface(aFx);
c26b5a34 536 GeomAdaptor_Surface aGAS (aS);
4e57c75e 537 //
c26b5a34 538 bIsPeriodic=(aGAS.IsUPeriodic() || aGAS.IsVPeriodic());
539 //
540 TopExp::MapShapesAndAncestors(aF,
541 TopAbs_VERTEX,
542 TopAbs_EDGE,
543 aMVE);
4e57c75e 544 aNbV=aMVE.Extent();
545 for (i=1; i<=aNbV; ++i) {
c26b5a34 546 const TopoDS_Vertex& aV=*((TopoDS_Vertex*)&aMVE.FindKey(i));
4e57c75e 547 aPV=BRep_Tool::Pnt(aV);
548 aTol=BRep_Tool::Tolerance(aV);
549 aTol2=aTol*aTol;
550 //
551 aD2max=-1.;
552 const TopTools_ListOfShape& aLE=aMVE.FindFromIndex(i);
553 aIt.Initialize(aLE);
554 for (; aIt.More(); aIt.Next()) {
b4109929 555 const TopoDS_Edge& aE=*(TopoDS_Edge*)(&aIt.Value());
c26b5a34 556 const Handle(Geom2d_Curve)& aC2D=
557 BRep_Tool::CurveOnSurface(aE, aF, aT1, aT2);
4e57c75e 558 aT=BRep_Tool::Parameter(aV, aE);
c26b5a34 559 //
4e57c75e 560 aC2D->D0(aT, aP2D);
4e57c75e 561 aS->D0(aP2D.X(), aP2D.Y(), aP);
562 aD2=aPV.SquareDistance(aP);
563 if (aD2>aD2max) {
564 aD2max=aD2;
565 }
b4109929 566 //check self interference
c26b5a34 567 if (aNbV==2) {
568 continue;
569 }
570 //
571 if (bIsPeriodic) {
b4109929 572 continue;
573 }
c26b5a34 574 //
575 TopExp::Vertices(aE, aV11, aV12);
576 //
b4109929 577 aIt1 = aIt;
578 aIt1.Next();
579 for (; aIt1.More(); aIt1.Next()) {
580 const TopoDS_Edge& aE1=*(TopoDS_Edge*)(&aIt1.Value());
c26b5a34 581 //
b4109929 582 //do not perform check for edges that have two common vertices
c26b5a34 583 TopExp::Vertices(aE1, aV21, aV22);
584 if ((aV11.IsSame(aV21) && aV12.IsSame(aV22)) ||
585 (aV12.IsSame(aV21) && aV11.IsSame(aV22))) {
586 continue;
b4109929 587 }
c26b5a34 588 //
589 aD2=IntersectCurves2d(aPV, aF, aS, aE, aE1);
b4109929 590 if (aD2>aD2max) {
591 aD2max=aD2;
592 }
c26b5a34 593 }// for (; aIt1.More(); aIt1.Next()) {
594 }// for (; aIt.More(); aIt.Next()) {
4e57c75e 595 if (aD2max>aTol2) {
c26b5a34 596 BRep_Builder aBB;
597 //
4e57c75e 598 aTol=sqrt(aD2max);
599 aBB.UpdateVertex(aV, aTol);
600 }
c26b5a34 601 }// for (i=1; i<=aNbV; ++i) {
4e57c75e 602}
b4109929 603//=======================================================================
604// Function : IntersectCurves2d
605// purpose : Intersect 2d curves of edges
606//=======================================================================
607Standard_Real IntersectCurves2d(const gp_Pnt& aPV,
608 const TopoDS_Face& aF,
c26b5a34 609 const Handle(Geom_Surface)& aS,
b4109929 610 const TopoDS_Edge& aE1,
611 const TopoDS_Edge& aE2)
612{
b4109929 613 Standard_Real aDist, aD, aT11, aT12, aT21, aT22, aTol2d;
614 Standard_Integer j, aNbPnt;
615 Geom2dInt_GInter aInter;
616 gp_Pnt aP;
617 gp_Pnt2d aP2D;
618 //
619 aDist = 0.;
620 aTol2d = Precision::Confusion();
621 //
c26b5a34 622 const Handle(Geom2d_Curve)& aC2D1=
623 BRep_Tool::CurveOnSurface(aE1, aF, aT11, aT12);
624 const Handle(Geom2d_Curve)& aC2D2=
625 BRep_Tool::CurveOnSurface(aE2, aF, aT21, aT22);
b4109929 626 //
627 Geom2dAdaptor_Curve aGAC1(aC2D1), aGAC2(aC2D2);
c26b5a34 628 IntRes2d_Domain aDom1(aC2D1->Value(aT11), aT11, aTol2d,
629 aC2D1->Value(aT12), aT12, aTol2d);
630 IntRes2d_Domain aDom2(aC2D2->Value(aT21), aT21, aTol2d,
631 aC2D2->Value(aT22), aT22, aTol2d);
b4109929 632 //
633 aInter.Perform(aGAC1, aDom1, aGAC2, aDom2, aTol2d, aTol2d);
634 if (aInter.IsDone()) {
635 if (aInter.NbSegments()) {
636 return aDist;
637 }
638 aNbPnt = aInter.NbPoints();
639 if (aNbPnt) {
640 aDist = Precision::Infinite();
641 for (j = 1; j <= aNbPnt; ++j) {
642 aP2D = aInter.Point(j).Value();
643 aS->D0(aP2D.X(), aP2D.Y(), aP);
644 aD=aPV.SquareDistance(aP);
645 if (aD < aDist) {
646 aDist = aD;
647 }
648 }
649 }
650 }
651 return aDist;
652}
4e57c75e 653//=======================================================================
654// Function : CorrectEdgeTolerance
655// purpose : Correct tolerances for Edge
656//=======================================================================
657void CorrectEdgeTolerance (const TopoDS_Edge& myShape,
658 const TopoDS_Face& S,
659 const Standard_Real aMaxTol)
660{
661 //
662 // 1. Minimum of conditions to Perform
663 Handle (BRep_CurveRepresentation) myCref;
664 Handle (Adaptor3d_HCurve) myHCurve;
665
666 myCref.Nullify();
667
668 Handle(BRep_TEdge)& TEx = *((Handle(BRep_TEdge)*)&myShape.TShape());
669 BRep_ListIteratorOfListOfCurveRepresentation itcrx(TEx->Curves());
670 Standard_Boolean Degenerated, SameParameterx, SameRangex;
671
672 Standard_Integer unique = 0;
673
674 Degenerated = TEx->Degenerated();
675 SameParameterx = TEx->SameParameter();
676 SameRangex = TEx->SameRange();
677
678 if (!SameRangex && SameParameterx) {
679 return;
680 }
681
682 Handle(Geom_Curve) C3d;
683 while (itcrx.More()) {
684 const Handle(BRep_CurveRepresentation)& cr = itcrx.Value();
685 if (cr->IsCurve3D()) {
686 unique++;
687 if (myCref.IsNull() && !cr->Curve3D().IsNull()) {
688 myCref = cr;
689 }
690 }
691 itcrx.Next();
692 }
693
694 if (unique==0) {
695 return;//...No3DCurve
696 }
697 if (unique>1) {
698 return;//...Multiple3DCurve;
699 }
700
701 if (myCref.IsNull() && !Degenerated) {
702 itcrx.Initialize(TEx->Curves());
703 while (itcrx.More()) {
704 const Handle(BRep_CurveRepresentation)& cr = itcrx.Value();
705 if (cr->IsCurveOnSurface()) {
706 myCref = cr;
707 break;
708 }
709 itcrx.Next();
710 }
711 }
712
713 else if (!myCref.IsNull() && Degenerated){
714 return ;//...InvalidDegeneratedFlag;
715 }
716
717 if (!myCref.IsNull()) {
c26b5a34 718 const Handle(BRep_GCurve)& GCref =
719 *((Handle(BRep_GCurve)*)&myCref);
4e57c75e 720 Standard_Real First,Last;
721 GCref->Range(First,Last);
722 if (Last<=First) {
723 myCref.Nullify();
724 return ;//InvalidRange;
725 }
726
727 else {
728 if (myCref->IsCurve3D()) {
729 Handle(Geom_Curve) C3dx = Handle(Geom_Curve)::DownCast
c26b5a34 730 (myCref->Curve3D()->Transformed
731 (myCref->Location().Transformation()));
4e57c75e 732 GeomAdaptor_Curve GAC3d(C3dx, First, Last);
733 myHCurve = new GeomAdaptor_HCurve(GAC3d);
734 }
735 else { // curve on surface
736 Handle(Geom_Surface) Sref = myCref->Surface();
c26b5a34 737 Sref = Handle(Geom_Surface)::
738 DownCast(Sref->Transformed(myCref->Location().Transformation()));
4e57c75e 739 const Handle(Geom2d_Curve)& PCref = myCref->PCurve();
c26b5a34 740 Handle(GeomAdaptor_HSurface) GAHSref =
741 new GeomAdaptor_HSurface(Sref);
742 Handle(Geom2dAdaptor_HCurve) GHPCref =
743 new Geom2dAdaptor_HCurve(PCref, First, Last);
4e57c75e 744 Adaptor3d_CurveOnSurface ACSref(GHPCref,GAHSref);
745 myHCurve = new Adaptor3d_HCurveOnSurface(ACSref);
746 }
747 }
748 }
749
750 //===============================================
751 // 2. Tolerances in InContext
752 {
753 if (myCref.IsNull())
754 return;
755 Standard_Boolean ok=Standard_True;;
756
757 Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&myShape.TShape());
758 Standard_Real Tol = BRep_Tool::Tolerance(TopoDS::Edge(myShape));
759 Standard_Real aNewTol=Tol;
760
761 Standard_Boolean SameParameter = TE->SameParameter();
762 Standard_Boolean SameRange = TE->SameRange();
763 Standard_Real First = myHCurve->FirstParameter();
764 Standard_Real Last = myHCurve->LastParameter();
4e57c75e 765 Standard_Real Delta =1.e-12;
766
767 Handle(BRep_TFace)& TF = *((Handle(BRep_TFace)*) &S.TShape());
768 const TopLoc_Location& Floc = S.Location();
769 const TopLoc_Location& TFloc = TF->Location();
770 const Handle(Geom_Surface)& Su = TF->Surface();
771 TopLoc_Location L = (Floc * TFloc).Predivided(myShape.Location());
4e57c75e 772 Standard_Boolean pcurvefound = Standard_False;
773
774 BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves());
775 while (itcr.More()) {
776 const Handle(BRep_CurveRepresentation)& cr = itcr.Value();
777 if (cr != myCref && cr->IsCurveOnSurface(Su,L)) {
778 pcurvefound = Standard_True;
779 const Handle(BRep_GCurve)& GC = *((Handle(BRep_GCurve)*)&cr);
780 Standard_Real f,l;
781 GC->Range(f,l);
782 if (SameRange && (f != First || l != Last)) {
d3f26155 783 return ;//BRepCheck_InvalidSameRangeFlag;
4e57c75e 784 }
c26b5a34 785
4e57c75e 786 Handle(Geom_Surface) Sb = cr->Surface();
c26b5a34 787 Sb = Handle(Geom_Surface)::
788 DownCast (Su->Transformed(L.Transformation()));
4e57c75e 789 Handle(Geom2d_Curve) PC = cr->PCurve();
c26b5a34 790 Handle(GeomAdaptor_HSurface) GAHS =
791 new GeomAdaptor_HSurface(Sb);
792 Handle(Geom2dAdaptor_HCurve) GHPC =
793 new Geom2dAdaptor_HCurve(PC,f,l);
4e57c75e 794 Adaptor3d_CurveOnSurface ACS(GHPC,GAHS);
c26b5a34 795 ok = Validate(myHCurve->Curve(), ACS,
796 Tol, SameParameter, aNewTol);
4e57c75e 797 if (ok) {
4e57c75e 798 if (aNewTol<aMaxTol) {
799 TE->UpdateTolerance(aNewTol+Delta);
800 //
801 CorrectVertexTolerance(myShape);
802 }
803 }
804
805 if (cr->IsCurveOnClosedSurface()) {
806 //checkclosed = Standard_True;
807 GHPC->ChangeCurve2d().Load(cr->PCurve2(),f,l); // same bounds
808 ACS.Load(GAHS); // sans doute inutile
809 ACS.Load(GHPC); // meme remarque...
810 ok = Validate(myHCurve->Curve(),ACS,Tol,SameParameter, aNewTol);
811 if (ok) {
4e57c75e 812 if (aNewTol<aMaxTol) {
813 TE->UpdateTolerance(aNewTol+Delta);
814 CorrectVertexTolerance(myShape);
815 }
816 }
817 }
818 }
819 itcr.Next();
820 }
821
822 if (!pcurvefound) {
823 Handle(Geom_Plane) P;
824 Handle(Standard_Type) styp = Su->DynamicType();
825 if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
c26b5a34 826 P = Handle(Geom_Plane)::
827 DownCast(Handle(Geom_RectangularTrimmedSurface)::
828 DownCast(Su)->BasisSurface());
4e57c75e 829 }
830 else {
831 P = Handle(Geom_Plane)::DownCast(Su);
832 }
833 if (P.IsNull()) { // not a plane
c26b5a34 834 return;
4e57c75e 835 }
836
837 else {// on fait la projection a la volee, comme BRep_Tool
c26b5a34 838 P = Handle(Geom_Plane)::
839 DownCast(P->Transformed(L.Transformation()));
4e57c75e 840 //on projette Cref sur ce plan
841 Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(P);
842
843 // Dub - Normalement myHCurve est une GeomAdaptor_HCurve
c26b5a34 844 GeomAdaptor_Curve& Gac =
845 Handle(GeomAdaptor_HCurve)::DownCast(myHCurve)->ChangeCurve();
4e57c75e 846 Handle(Geom_Curve) C3dx = Gac.Curve();
c26b5a34 847 Handle(Geom_Curve) ProjOnPlane =
848 GeomProjLib::ProjectOnPlane(new Geom_TrimmedCurve(C3dx,First,Last),
849 P,
850 P->Position().Direction(),
851 Standard_True);
4e57c75e 852
c26b5a34 853 Handle(GeomAdaptor_HCurve) aHCurve =
854 new GeomAdaptor_HCurve(ProjOnPlane);
4e57c75e 855
856 ProjLib_ProjectedCurve proj(GAHS,aHCurve);
857 Handle(Geom2d_Curve) PC = Geom2dAdaptor::MakeCurve(proj);
858 Handle(Geom2dAdaptor_HCurve) GHPC =
c26b5a34 859 new Geom2dAdaptor_HCurve(PC,
860 myHCurve->FirstParameter(),
861 myHCurve->LastParameter());
4e57c75e 862
863 Adaptor3d_CurveOnSurface ACS(GHPC,GAHS);
864
865 Standard_Boolean okx = Validate(myHCurve->Curve(),ACS,
c26b5a34 866 Tol,Standard_True, aNewTol);
4e57c75e 867 if (okx) {
4e57c75e 868 if (aNewTol<aMaxTol) {
869 TE->UpdateTolerance(aNewTol+Delta);
870 CorrectVertexTolerance(myShape);
871 }
872 }
873 }
4e57c75e 874 }//end of if (!pcurvefound) {
875 } // end of 2. Tolerances in InContext
4e57c75e 876}
4e57c75e 877//=======================================================================
878//function : CorrectVertexTolerance
879//purpose :
880//=======================================================================
881void CorrectVertexTolerance(const TopoDS_Edge& aE)
882{
4e57c75e 883 Standard_Real aTolE, aTolV;
c26b5a34 884 TopoDS_Iterator aIt;
885 //
4e57c75e 886 aTolE=BRep_Tool::Tolerance(aE);
c26b5a34 887 aIt.Initialize(aE);
888 for(; aIt.More(); aIt.Next()) {
889 const TopoDS_Vertex& aV=*((TopoDS_Vertex*)&aIt.Value());
4e57c75e 890 aTolV=BRep_Tool::Tolerance(aV);
891 if (aTolV<aTolE) {
c26b5a34 892 Handle(BRep_TVertex)& aTV= *((Handle(BRep_TVertex)*)&aV.TShape());
4e57c75e 893 aTV->UpdateTolerance(aTolE);
894 }
895 }
896}
4e57c75e 897//=======================================================================
898//function : Validate
899//purpose :
900//=======================================================================
901Standard_Boolean Validate(const Adaptor3d_Curve& CRef,
902 const Adaptor3d_Curve& Other,
903 const Standard_Real Tol,
904 const Standard_Boolean SameParameter,
905 Standard_Real& aNewTolerance)
906{
907 Standard_Real First, Last, MaxDistance, aD, Tol2;
908
909 First = CRef.FirstParameter();
910 Last = CRef.LastParameter();
911 MaxDistance = 0.;
912 Tol2 = Tol*Tol;
c26b5a34 913 //
914 Standard_Integer NCONTROL=23;
4e57c75e 915 Standard_Integer i, aNC1=NCONTROL-1;
916
917 Standard_Boolean aFlag=Standard_False;
918 Standard_Boolean proj = (!SameParameter ||
919 First != Other.FirstParameter() ||
920 Last != Other.LastParameter());
921 //
922 // 1.
923 if (!proj) {
924 for (i = 0; i < NCONTROL; i++) {
925 Standard_Real prm = ((aNC1-i)*First + i*Last)/aNC1;
926 gp_Pnt pref = CRef.Value(prm);
927 gp_Pnt pother = Other.Value(prm);
928
929 aD=pref.SquareDistance(pother);
930
931 if (aD > Tol2) {
932 if (aD>MaxDistance) {
933 MaxDistance=aD;
934 }
935 aFlag=Standard_True;
936 }
937 }
938
939 if (aFlag) {
940 aNewTolerance=sqrt(MaxDistance);
941 }
942 return aFlag;
943 }
944
945 //
946 // 2.
947 else {
948 Extrema_LocateExtPC refd,otherd;
949 Standard_Real OFirst, OLast;
950 OFirst = Other.FirstParameter();
951 OLast = Other.LastParameter();
952
953 gp_Pnt pd = CRef.Value(First);
954 gp_Pnt pdo = Other.Value(OFirst);
955
956 aD = pd.SquareDistance(pdo);
957 if (aD > Tol2) {
958 if (aD>MaxDistance) {
959 MaxDistance=aD;
960 }
961 aFlag=Standard_True;
962 }
963
964 pd = CRef.Value(Last);
965 pdo = Other.Value(OLast);
966 aD = pd.SquareDistance(pdo);
967 if (aD > Tol2 && aD > MaxDistance) {
968 MaxDistance=aD;
969 aFlag=Standard_True;
970 }
971
972 refd.Initialize(CRef, First, Last, CRef.Resolution(Tol));
973 otherd.Initialize(Other, OFirst, OLast, Other.Resolution(Tol));
974
975 for (i = 2; i< aNC1; i++) {
976 Standard_Real rprm = ((aNC1-i)*First + i*Last)/aNC1;
977 gp_Pnt pref = CRef.Value(rprm);
978
979 Standard_Real oprm = ((aNC1-i)*OFirst + i*OLast)/aNC1;
980 gp_Pnt pother = Other.Value(oprm);
981
982 refd.Perform(pother,rprm);
983 if (!refd.IsDone() || refd.SquareDistance() > Tol2) {
984 if (refd.IsDone()) {
985 aD=refd.SquareDistance();
986 if (aD > Tol2 && aD>MaxDistance) {
987 aFlag=Standard_True;
988 MaxDistance=aD;
989 }
990 }
991 }
992
993 otherd.Perform(pref,oprm);
994 if (!otherd.IsDone() || otherd.SquareDistance() > Tol2) {
995
996 if (otherd.IsDone()) {
997 aD=otherd.SquareDistance();
998 if (aD > Tol2 && aD>MaxDistance) {
999 aFlag=Standard_True;
1000 MaxDistance=aD;
1001 }
1002 }
1003 }
1004 }
1005 }
1006
1007 aD=sqrt (MaxDistance);
1008 aNewTolerance=aD;
4e57c75e 1009 return aFlag;
4e57c75e 1010}
1011//=======================================================================
1012// Function : UpdateEdges
1013// purpose :
1014//=======================================================================
c26b5a34 1015void UpdateEdges(const TopoDS_Face& aF)
4e57c75e 1016{
1017 Standard_Real aTolF, aTolE, aTolV;
1018 TopoDS_Iterator aItF, aItW, aItE;
1019 BRep_Builder aBB;
1020 //
c26b5a34 1021 aTolE=aTolF= BRep_Tool::Tolerance(aF);
4e57c75e 1022 aItF.Initialize(aF);
1023 for (; aItF.More(); aItF.Next()) {
1024 const TopoDS_Shape& aS = aItF.Value();
1025 if (aS.ShapeType()==TopAbs_WIRE) {
1026 aItW.Initialize(aS);
1027 for (; aItW.More(); aItW.Next()) {
c26b5a34 1028 const TopoDS_Edge& aE=*((TopoDS_Edge*)&aItW.Value());
4e57c75e 1029 aTolE = BRep_Tool::Tolerance(aE);
1030 if (aTolE < aTolF) {
1031 aBB.UpdateEdge(aE, aTolF);
1032 aTolE = aTolF;
1033 }
c26b5a34 1034 //UpdateVertices(aE);
4e57c75e 1035 }
1036 }
1037 else {
c26b5a34 1038 const TopoDS_Vertex& aV=*(TopoDS_Vertex*)&aItF.Value();
4e57c75e 1039 aTolV = BRep_Tool::Tolerance(aV);
1040 if (aTolV < aTolE) {
1041 aBB.UpdateVertex(aV, aTolF);
1042 }
1043 }
1044 }
1045}
e98e3990 1046//=======================================================================
1047// Function : ComputeTolerance
1048// purpose :
1049//=======================================================================
1050Standard_Boolean BOPTools_AlgoTools::ComputeTolerance
1051 (const TopoDS_Face& theFace,
1052 const TopoDS_Edge& theEdge,
1053 Standard_Real& theMaxDist,
1b7ae951 1054 Standard_Real& theMaxPar)
e98e3990 1055{
1b7ae951 1056 BRepLib_CheckCurveOnSurface aCS;
e98e3990 1057 //
1b7ae951 1058 aCS.Init(theEdge, theFace);
1059 aCS.Perform();
1060 if (!aCS.IsDone()) {
1061 return Standard_False;
e98e3990 1062 }
1063 //
1b7ae951 1064 theMaxDist = aCS.MaxDistance();
1065 theMaxPar = aCS.MaxParameter();
e98e3990 1066 //
1b7ae951 1067 return Standard_True;
e98e3990 1068}
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