1 // Created on: 2000-01-20
2 // Created by: data exchange team
3 // Copyright (c) 2000-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 //:pdn 11.12.98: FixDegenerated improved
17 //:pdn 05.01.99: renaming method CheckLittle to CheckSmall
18 //:l0 abv 10.01.99: CATIA01 #1727: fix intersecting edges always if edge is lacking
19 //:n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve
20 //:o4 abv 17.02.99: r0301_db.stp #53082: adding parameter isClosed to CheckOrder
21 // rln 03.03.99 S4135: using updated ShapeAnalysis_Surface for checking of singularities
22 //:p9 abv 11.03.99: PRO7226 #489490: fix :i9 moved to allow fixing a set of degenerated edges
23 //#77 rln 11.03.99: S4135: using singularity which has minimum gap between singular point and input 3D point
24 //#84 rln 18.03.99: inserting degenerated edge between ends of pcurves
25 //pdn 12.03.99 S4135 check degenerated applies minimal tolerance first.
26 //pdn 16.03.99 S4135 adding check of non adjacent edjes.
27 //#83 rln 19.03.99: processing segments in intersection as in BRepCheck
28 //%15 pdn 15.03.99 checking of small area wire added
29 //#2 smh 26.03.99 S4163 Zero divide
30 //#4 szv S4163 optimizing
31 //:r6 abv 08.04.99: protect FixIE against working out of curve range
32 //:s1 abv 22.04.99: PRO7226 #489490: ensure fixing of degenerated edge
33 //#9 smh 14.12.99 BUC60615 Using tolerance of verteces during checking degenerated edge.
35 #include <ShapeAnalysis_Wire.ixx>
37 #include <Precision.hxx>
39 #include <Geom_Curve.hxx>
40 #include <Geom2d_Curve.hxx>
41 #include <GeomAdaptor_HSurface.hxx>
42 #include <Geom2dAdaptor_Curve.hxx>
43 #include <Geom2dInt_GInter.hxx>
44 #include <GProp_GProps.hxx>
45 #include <IntRes2d_Domain.hxx>
46 #include <IntRes2d_Transition.hxx>
47 #include <IntRes2d_IntersectionPoint.hxx>
48 #include <IntRes2d_IntersectionSegment.hxx>
50 #include <TopoDS_Edge.hxx>
51 #include <TopoDS_Vertex.hxx>
52 #include <BRepGProp.hxx>
53 #include <BRep_Builder.hxx>
54 #include <BRep_Tool.hxx>
55 #include <BRepTools.hxx>
56 #include <BRepBuilderAPI_MakeFace.hxx>
58 #include <ShapeExtend.hxx>
59 #include <ShapeAnalysis.hxx>
60 #include <ShapeAnalysis_Curve.hxx>
61 #include <ShapeAnalysis_Edge.hxx>
64 #include <Precision.hxx>
65 #include <TColgp_Array1OfPnt.hxx>
66 #include <TColStd_Array1OfReal.hxx>
67 #include <Bnd_Array1OfBox2d.hxx>
68 #include <BndLib_Add2dCurve.hxx>
69 #include <Bnd_Box2d.hxx>
72 #include <BRepGProp.hxx>
73 #include <GCPnts_AbscissaPoint.hxx>
74 #include <Geom2dAdaptor_HCurve.hxx>
75 #include <GeomAdaptor_Curve.hxx>
76 #include <GProp_GProps.hxx>
77 #include <Adaptor3d_CurveOnSurface.hxx>
78 #include <TColgp_SequenceOfPnt.hxx>
79 #include <ShapeAnalysis_Surface.hxx>
80 #include <TopoDS_Wire.hxx>
81 #include <ShapeAnalysis.hxx>
82 #include <ShapeAnalysis_TransferParametersProj.hxx>
83 #include <ShapeBuild_Edge.hxx>
84 #include <Geom_Plane.hxx>
85 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
86 #include <TopoDS_Iterator.hxx>
87 #include <TopTools_DataMapOfShapeListOfShape.hxx>
88 #include <TopTools_ListOfShape.hxx>
89 #include <TopTools_IndexedMapOfShape.hxx>
90 #include <TopTools_ListIteratorOfListOfShape.hxx>
93 //=======================================================================
94 //function : ShapeAnalysis_Wire
96 //=======================================================================
98 ShapeAnalysis_Wire::ShapeAnalysis_Wire()
101 myPrecision = ::Precision::Confusion();
104 //=======================================================================
105 //function : ShapeAnalysis_Wire
107 //=======================================================================
109 ShapeAnalysis_Wire::ShapeAnalysis_Wire (const TopoDS_Wire& wire,
110 const TopoDS_Face& face,
111 const Standard_Real precision)
113 Init (wire, face, precision);
116 //=======================================================================
117 //function : ShapeAnalysis_Wire
119 //=======================================================================
121 ShapeAnalysis_Wire::ShapeAnalysis_Wire (const Handle(ShapeExtend_WireData)& sbwd,
122 const TopoDS_Face& face,
123 const Standard_Real precision)
125 Init (sbwd, face, precision);
128 //=======================================================================
131 //=======================================================================
133 void ShapeAnalysis_Wire::Init (const TopoDS_Wire& wire,
134 const TopoDS_Face& face, const Standard_Real precision)
136 Init (new ShapeExtend_WireData (wire), face, precision);
139 //=======================================================================
142 //=======================================================================
144 void ShapeAnalysis_Wire::Init (const Handle(ShapeExtend_WireData)& sbwd,
145 const TopoDS_Face& face, const Standard_Real precision)
149 SetPrecision (precision);
152 //=======================================================================
155 //=======================================================================
157 void ShapeAnalysis_Wire::Load (const TopoDS_Wire& wire)
160 myWire = new ShapeExtend_WireData (wire);
163 //=======================================================================
166 //=======================================================================
168 void ShapeAnalysis_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd)
174 //=======================================================================
177 //=======================================================================
179 void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& face)
183 mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface ( myFace ) );
186 //=======================================================================
187 //function : SetSurface
189 //=======================================================================
191 void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface)
193 SetSurface ( surface, TopLoc_Location() );
196 //=======================================================================
197 //function : SetSurface
199 //=======================================================================
201 void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface,
202 const TopLoc_Location& location)
206 B.MakeFace ( face, surface, location, ::Precision::Confusion() );
210 //=======================================================================
211 //function : SetPrecision
213 //=======================================================================
215 void ShapeAnalysis_Wire::SetPrecision(const Standard_Real precision)
217 myPrecision = precision;
220 //=======================================================================
221 //function : ClearStatuses
223 //=======================================================================
225 void ShapeAnalysis_Wire::ClearStatuses()
227 myStatusOrder = myStatusConnected =
228 myStatusEdgeCurves = myStatusDegenerated =
229 myStatusClosed = myStatusLacking =
230 myStatusSelfIntersection = myStatusSmall =
231 myStatusGaps3d = myStatusGaps2d =
232 myStatusCurveGaps = myStatusLoop = myStatus = 0;
234 myMin3d = myMin2d = myMax3d = myMax2d = 0.;
237 //=======================================================================
240 //=======================================================================
242 Standard_Boolean ShapeAnalysis_Wire::Perform()
244 Standard_Boolean result = Standard_False;
245 result |= CheckOrder();
246 result |= CheckSmall();
247 result |= CheckConnected();
248 result |= CheckEdgeCurves();
249 result |= CheckDegenerated();
250 result |= CheckSelfIntersection();
251 result |= CheckLacking();
252 result |= CheckClosed();
256 //=======================================================================
257 //function : CheckOrder
259 //=======================================================================
261 Standard_Boolean ShapeAnalysis_Wire::CheckOrder (const Standard_Boolean isClosed,
262 const Standard_Boolean mode3d)
264 ShapeAnalysis_WireOrder sawo;
265 CheckOrder (sawo, isClosed, mode3d);
266 myStatusOrder = myStatus;
267 return StatusOrder (ShapeExtend_DONE);
270 //=======================================================================
271 //function : CheckSmall
273 //=======================================================================
275 Standard_Boolean ShapeAnalysis_Wire::CheckSmall(const Standard_Real precsmall)
277 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
278 CheckSmall (i, precsmall);
279 myStatusSmall |= myStatus;
281 return StatusSmall (ShapeExtend_DONE);
284 //=======================================================================
285 //function : CheckConnected
287 //=======================================================================
289 Standard_Boolean ShapeAnalysis_Wire::CheckConnected(const Standard_Real prec)
291 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
292 CheckConnected ( i, prec );
293 myStatusConnected |= myStatus;
295 return StatusConnected (ShapeExtend_DONE);
298 //=======================================================================
299 //function : CheckEdgeCurves
301 //=======================================================================
303 Standard_Boolean ShapeAnalysis_Wire::CheckEdgeCurves()
305 myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
306 if ( ! IsReady() ) return Standard_False;
308 Standard_Integer i, nb = myWire->NbEdges();
309 ShapeAnalysis_Edge SAE;
311 for (i = 1; i <= nb; i++) {
312 TopoDS_Edge E = myWire->Edge (i);
314 SAE.CheckCurve3dWithPCurve (E, myFace);
315 if (SAE.Status (ShapeExtend_DONE))
316 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
317 if (SAE.Status ( ShapeExtend_FAIL))
318 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
320 SAE.CheckVerticesWithPCurve (E, myFace);
321 if (SAE.Status (ShapeExtend_DONE))
322 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
323 if (SAE.Status ( ShapeExtend_FAIL))
324 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
326 SAE.CheckVerticesWithCurve3d (E);
327 if (SAE.Status (ShapeExtend_DONE))
328 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
329 if (SAE.Status ( ShapeExtend_FAIL))
330 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
333 if (LastCheckStatus (ShapeExtend_DONE))
334 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE4);
335 if (LastCheckStatus (ShapeExtend_FAIL))
336 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL4);
339 if (LastCheckStatus (ShapeExtend_DONE))
340 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
341 if (LastCheckStatus (ShapeExtend_FAIL))
342 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL5);
345 if (LastCheckStatus (ShapeExtend_DONE))
346 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
347 if (LastCheckStatus (ShapeExtend_FAIL))
348 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL6);
350 Standard_Real maxdev = 0.0;
351 SAE.CheckSameParameter (myWire->Edge (i), maxdev);
352 if (SAE.Status (ShapeExtend_DONE))
353 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE7);
354 if (SAE.Status ( ShapeExtend_FAIL))
355 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL7);
357 return StatusEdgeCurves (ShapeExtend_DONE);
360 //=======================================================================
361 //function : CheckDegenerated
363 //=======================================================================
365 Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated()
367 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
368 CheckDegenerated (i);
369 myStatusDegenerated |= myStatus;
371 return StatusDegenerated (ShapeExtend_DONE);
374 //=======================================================================
375 //function : CheckSelfIntersection
377 //=======================================================================
379 Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersection()
381 myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
382 if (!IsReady()) return Standard_False;
383 Standard_Integer i, nb = myWire->NbEdges();
384 for (i = 1; i <= nb; i++) {
385 CheckSelfIntersectingEdge (i);
386 if (LastCheckStatus (ShapeExtend_DONE))
387 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
388 if (LastCheckStatus (ShapeExtend_FAIL))
389 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
391 CheckIntersectingEdges (i);
392 if (LastCheckStatus (ShapeExtend_DONE))
393 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
394 if (LastCheckStatus (ShapeExtend_FAIL))
395 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
398 Bnd_Array1OfBox2d boxes(1,nb);
400 const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L);
401 Handle(Geom2d_Curve) c2d;
403 ShapeAnalysis_Edge sae;
404 Handle(ShapeExtend_WireData) sbwd = WireData();
405 for(i = 1; i <= nb; i++){
406 TopoDS_Edge E = sbwd->Edge (i);
407 if(sae.PCurve (E,S,L,c2d,cf,cl,Standard_False)) {
409 Geom2dAdaptor_Curve gac(c2d,cf,cl);
410 BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box);
415 Standard_Boolean isFail = Standard_False, isDone = Standard_False;
416 for(Standard_Integer num1 = 1; num1 < nb-1; num1++) {
417 Standard_Integer fin = nb;
418 if (CheckClosed(Precision::Confusion()) && 1 == num1)
420 for(Standard_Integer num2 = num1+2; num2 <= fin; num2++)
421 if(!boxes(num1).IsOut(boxes(num2))){
422 CheckIntersectingEdges(num1, num2);
423 isFail |= LastCheckStatus ( ShapeExtend_FAIL1 );
424 isDone |= LastCheckStatus ( ShapeExtend_DONE1 );
428 myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 );
430 myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 );
432 return StatusSelfIntersection (ShapeExtend_DONE);
435 //=======================================================================
436 //function : CheckLacking
438 //=======================================================================
440 Standard_Boolean ShapeAnalysis_Wire::CheckLacking()
442 if (!IsReady() || NbEdges() < 2) return Standard_False;
443 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
445 myStatusLacking |= myStatus;
447 return StatusLacking (ShapeExtend_DONE);
450 //=======================================================================
451 //function : CheckClosed
453 //=======================================================================
455 Standard_Boolean ShapeAnalysis_Wire::CheckClosed(const Standard_Real prec)
457 myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
458 if (!IsReady() || NbEdges() < 1) return Standard_False;
460 CheckConnected (1, prec);
461 if ( LastCheckStatus ( ShapeExtend_DONE ) )
462 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
463 if ( LastCheckStatus ( ShapeExtend_FAIL ) )
464 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
466 CheckDegenerated ( 1 );
467 if ( LastCheckStatus ( ShapeExtend_DONE ) )
468 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
469 if ( LastCheckStatus ( ShapeExtend_FAIL ) )
470 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 );
472 return StatusClosed ( ShapeExtend_DONE );
475 //=======================================================================
476 //function : CheckGaps3d
478 //=======================================================================
480 Standard_Boolean ShapeAnalysis_Wire::CheckGaps3d ()
482 myStatusGaps3d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
483 if (!IsLoaded() || NbEdges() < 1) return Standard_False; //gka IsLoaded
485 Standard_Real dist, maxdist = 0.;
487 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
489 myStatusGaps3d |= myStatus;
490 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
491 dist = MinDistance3d();
492 if (maxdist<dist) maxdist = dist;
495 myMin3d = myMax3d = maxdist;
497 return StatusGaps3d ( ShapeExtend_DONE );
500 //=======================================================================
501 //function : CheckGaps2d
503 //=======================================================================
505 Standard_Boolean ShapeAnalysis_Wire::CheckGaps2d ()
507 myStatusGaps2d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
508 if (!IsReady() || NbEdges() < 1) return Standard_False;
510 Standard_Real dist, maxdist = 0.;
512 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
514 myStatusGaps2d |= myStatus;
515 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
516 dist = MinDistance2d();
517 if (maxdist<dist) maxdist = dist;
520 myMin2d = myMax2d = maxdist;
522 return StatusGaps2d ( ShapeExtend_DONE );
525 //=======================================================================
526 //function : CheckCurveGaps
528 //=======================================================================
530 Standard_Boolean ShapeAnalysis_Wire::CheckCurveGaps ()
532 myStatusCurveGaps = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
533 if (!IsReady() || NbEdges() < 1) return Standard_False;
535 Standard_Real dist, maxdist = 0.;
537 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
539 myStatusCurveGaps |= myStatus;
540 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
541 dist = MinDistance3d();
542 if (maxdist<dist) maxdist = dist;
545 myMin3d = myMax3d = maxdist;
547 return StatusCurveGaps ( ShapeExtend_DONE );
550 //=======================================================================
551 //function : CheckOrder
553 //=======================================================================
555 Standard_Boolean ShapeAnalysis_Wire::CheckOrder(ShapeAnalysis_WireOrder& sawo,
556 const Standard_Boolean isClosed,
557 const Standard_Boolean mode3d)
559 if ( ! mode3d && myFace.IsNull() ) {
560 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
561 return Standard_False;
564 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
565 sawo.SetMode ( mode3d, ( mode3d ? myPrecision : ::Precision::PConfusion() ) );
566 Standard_Integer i, nb = myWire->NbEdges();
567 ShapeAnalysis_Edge EA;
568 for (i = 1; i <= nb; i ++) {
569 TopoDS_Edge E = myWire->Edge(i);
571 TopoDS_Vertex V1 = EA.FirstVertex (E);
572 TopoDS_Vertex V2 = EA.LastVertex (E);
573 if (V1.IsNull() || V2.IsNull())
575 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
576 return Standard_False;
578 gp_Pnt p1 = BRep_Tool::Pnt (V1);
579 gp_Pnt p2 = BRep_Tool::Pnt (V2);
580 sawo.Add (p1.XYZ(),p2.XYZ());
584 Handle(Geom2d_Curve) c2d;
585 TopoDS_Shape tmpF = myFace.Oriented(TopAbs_FORWARD);
586 if ( ! EA.PCurve(E,TopoDS::Face(tmpF),c2d,f,l) ) {
587 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
588 return Standard_False;
590 sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
593 sawo.Perform(isClosed);
594 Standard_Integer stat = sawo.Status();
596 case 0: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK); break;
597 case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1); break;
598 case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
599 case -1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
600 case -2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
601 case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE5); break;//only shifted
602 case -10: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1); break;
604 return LastCheckStatus (ShapeExtend_DONE);
607 //=======================================================================
608 //function : CheckConnected
610 //=======================================================================
612 Standard_Boolean ShapeAnalysis_Wire::CheckConnected (const Standard_Integer num,
613 const Standard_Real prec)
615 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
616 if ( ! IsLoaded() || NbEdges() < 1 ) return Standard_False;
618 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
619 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
620 // if (n1 == n2) return 0;
622 TopoDS_Edge E1 = WireData()->Edge ( n1 );
623 TopoDS_Edge E2 = WireData()->Edge ( n2 );
625 ShapeAnalysis_Edge sae;
626 TopoDS_Vertex V1 = sae.LastVertex (E1);
627 TopoDS_Vertex V2 = sae.FirstVertex (E2);
628 if (V1.IsNull() || V2.IsNull())
630 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
631 return Standard_False;
633 if (V1.IsSame(V2)) return Standard_False;
635 gp_Pnt p1 = BRep_Tool::Pnt (V1);
636 gp_Pnt p2 = BRep_Tool::Pnt (V2);
637 myMin3d = p1.Distance(p2);
638 if ( myMin3d <= gp::Resolution() ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
639 else if ( myMin3d <= myPrecision ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
640 else if ( myMin3d <= prec ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
642 // et en inversant la derniere edge ?
643 if ( n1 == n2 ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
645 V2 = sae.LastVertex (E2);
646 p2 = BRep_Tool::Pnt (V2);
647 Standard_Real dist = p1.Distance(p2);
648 if ( dist > myPrecision ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
651 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
654 return Standard_False;
656 return Standard_True;
659 //=======================================================================
660 //function : CheckSmall
662 //=======================================================================
664 Standard_Boolean ShapeAnalysis_Wire::CheckSmall (const Standard_Integer num,
665 const Standard_Real precsmall)
667 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
668 if ( ! IsLoaded() || NbEdges() <= 1 ) return Standard_False;
670 //Standard_Integer n = ( num ? num : NbEdges() ); //szv#4:S4163:12Mar99 not needed
671 TopoDS_Edge E = myWire->Edge ( num ? num : NbEdges() );
672 ShapeAnalysis_Edge sae;
674 if ( BRep_Tool::Degenerated ( E ) ) {
675 //:n2 abv 22 Jan 99: ma-test5.igs -> IGES (brep) -> read (pref3d):
676 // degen edge with no pcurve should be removed
677 if ( ! myFace.IsNull() && sae.HasPCurve ( E, Face() ) ) return Standard_False;
678 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
681 TopoDS_Vertex V1 = sae.FirstVertex (E);
682 TopoDS_Vertex V2 = sae.LastVertex (E);
683 if (V1.IsNull() || V2.IsNull())
685 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
686 return Standard_False;
688 gp_Pnt p1 = BRep_Tool::Pnt (V1);
689 gp_Pnt p2 = BRep_Tool::Pnt (V2);
690 Standard_Real dist = p1.Distance(p2);
691 Standard_Real prec = precsmall;//Min ( myPrecision, precsmall );
692 //Standard_Real prec = Min(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); //skl
693 if (dist > prec) return Standard_False; // pas nulle
695 // La courbe 3D a present : est-elle FERMEE ou DE LONGUEUR NULLE ... ???
696 // Pour cela on prend le point milieu (y a-t-il mieux)
697 // Si pas de C3D, on essaie la C2D ...
701 Handle(Geom_Curve) c3d;
702 if ( sae.Curve3d (E,c3d,cf,cl,Standard_False) ) Pm = c3d->Value ( (cf+cl)/2. );
704 Handle(Geom2d_Curve) c2d;
705 if ( ! myFace.IsNull() && sae.PCurve (E,myFace,c2d,cf,cl,Standard_False)) {
706 gp_Pnt2d p2m = c2d->Value ( (cf+cl)/2. );
707 Pm = mySurf->Value (p2m);
710 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
712 //:n2 return Standard_False;
715 if ( Pm.Distance(p1) > prec || Pm.Distance(p2) > prec ) return Standard_False;
717 myStatus |= ShapeExtend::EncodeStatus ( V1.IsSame(V2) ? ShapeExtend_DONE1 : ShapeExtend_DONE2 );
718 return Standard_True;
721 //=======================================================================
722 //function : CheckSeam
724 //=======================================================================
726 Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num,
727 Handle(Geom2d_Curve)& C1,
728 Handle(Geom2d_Curve)& C2,
732 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
733 if (!IsReady()) return Standard_False;
734 Standard_Integer n = num; if (n == 0) n = NbEdges();
735 TopoDS_Edge E = myWire->Edge (n);
736 if ( ! ShapeAnalysis_Edge().IsSeam ( E, myFace ) ) return Standard_False;
737 // Extract the Two PCurves of the Seam
738 TopoDS_Face ForwardFace = myFace; ForwardFace.Orientation (TopAbs_FORWARD);
739 //szv#4:S4163:12Mar99 SGI warns
740 TopoDS_Shape EF = E.Oriented(TopAbs_FORWARD);
741 TopoDS_Shape ER = E.Oriented(TopAbs_REVERSED);
742 C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(EF), ForwardFace, cf, cl);
743 C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(ER), ForwardFace, cf, cl);
744 if (C1.IsNull() || C2.IsNull()) return Standard_False;
746 // SelectForward est destine a devenir un outil distinct
748 Standard_Integer theCurveIndice = ShapeAnalysis_Curve().SelectForwardSeam (C1,C2);
749 if ( theCurveIndice != 2 ) return Standard_False;
751 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
752 return Standard_True;
755 //=======================================================================
756 //function : CheckSeam
758 //=======================================================================
760 Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num)
762 Handle(Geom2d_Curve) C1, C2;
763 Standard_Real cf, cl;
764 return CheckSeam (num, C1, C2, cf, cl);
767 //=======================================================================
768 //function : CheckDegenerated
770 //=======================================================================
772 Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num,
773 gp_Pnt2d& p2d1, gp_Pnt2d& p2d2)
775 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
776 if ( ! IsReady() || NbEdges() < 1 ) return Standard_False;
778 Standard_Integer n2 = (num > 0)? num : NbEdges();
779 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
780 Standard_Integer n3 = (n2 < NbEdges())? n2+1 : 1;
781 TopoDS_Edge E1 = myWire->Edge ( n1 );
782 TopoDS_Edge E2 = myWire->Edge ( n2 );
783 TopoDS_Edge E3 = myWire->Edge ( n3 );
785 ShapeAnalysis_Edge sae;
787 // skip if edge is already marked as degenerated and has pcurve
788 if ( BRep_Tool::Degenerated ( E2 ) && sae.HasPCurve ( E2, Face() ) ) {
789 // skl 30.12.2004 for OCC7630 - we have to check pcurve
790 if( sae.HasPCurve(E1,Face()) && sae.HasPCurve(E3,Face()) ) {
791 Handle(Geom2d_Curve) c2d;
793 sae.PCurve ( E2, myFace, c2d, fp, lp, Standard_True );
794 gp_Pnt2d p21 = c2d->Value(fp);
795 gp_Pnt2d p22 = c2d->Value(lp);
796 sae.PCurve ( E1, myFace, c2d, fp, lp, Standard_True );
797 gp_Pnt2d p12 = c2d->Value(lp);
798 sae.PCurve ( E3, myFace, c2d, fp, lp, Standard_True );
799 gp_Pnt2d p31 = c2d->Value(fp);
800 if( fabs(p12.Distance(p31)-p21.Distance(p22)) > 2*Precision::PConfusion() ) {
801 // pcurve is bad => we can remove this edge in ShapeFix
802 // if set needed status
803 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
806 return Standard_False;
809 //pdn allows to insert two sequences of degenerated edges (on separate bounds of surfaces)
810 if ( n1 != n2 && BRep_Tool::Degenerated ( E1 ) &&
811 ! sae.HasPCurve ( E1, Face() ) ) {
812 //:abv 13.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
813 if ( BRep_Tool::Degenerated ( E2 ) )
814 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
815 return Standard_False;
817 //:i8 if ( BRep_Tool::Degenerated ( E1 ) ||
818 //:i8 BRep_Tool::Degenerated ( E2 ) ) return Standard_False; // deja OK
820 TopoDS_Vertex Vp = sae.FirstVertex (E1); //:i9
821 TopoDS_Vertex V0 = sae.LastVertex (E1);
822 TopoDS_Vertex V1 = sae.FirstVertex (E2);
823 TopoDS_Vertex V2 = sae.LastVertex (E2);
825 if (Vp.IsNull() || V0.IsNull() || V1.IsNull() || V2.IsNull())
826 return Standard_False;
828 gp_Pnt pp = BRep_Tool::Pnt (Vp); //:i9
829 gp_Pnt p0 = BRep_Tool::Pnt (V0);
830 gp_Pnt p1 = BRep_Tool::Pnt (V1);
831 gp_Pnt p2 = BRep_Tool::Pnt (V2);
832 Standard_Real par1, par2;
833 Standard_Boolean lack = Standard_False;
834 Standard_Boolean dgnr = Standard_False;
835 //pdn 12.03.99 minimal value processing first
836 Standard_Real precFirst = Min(myPrecision,BRep_Tool::Tolerance(V1));
837 Standard_Real precFin = Max(myPrecision,BRep_Tool::Tolerance(V1));
838 Standard_Real precVtx = (myPrecision<BRep_Tool::Tolerance(V1) ? 2*precFin : precFin);
839 // forward : si Edge <num> FWD/REV. Si LACK, toujours True
840 Standard_Boolean forward = ( E2.Orientation() == TopAbs_FORWARD );
841 // FIX FEV 1998 : recompute singularity according precision
843 if (p1.Distance(p2) <= precFirst) { // edge DGNR
844 dgnr = mySurf->DegeneratedValues ( p1, precVtx, p2d1, p2d2, par1, par2, forward ); //smh#9
845 if ( dgnr ) { // abv 24 Feb 00: trj3_as1-ac-214.stp #6065: avoid making closed edge degenerated
847 Handle(Geom_Curve) C3d = BRep_Tool::Curve ( E2, a, b );
848 if ( ! C3d.IsNull() ) {
849 gp_Pnt p = C3d->Value ( 0.5 * ( a + b ) );
850 if ( p.SquareDistance ( p1 ) > precVtx * precVtx ) dgnr = Standard_False;
855 //:i9 abv 23 Sep 98: CTS20315-2 #63231: check that previous edge is not degenerated
856 if ( n1 != n2 && p1.Distance(pp) <= precFirst &&
857 mySurf->IsDegenerated ( pp, precFirst ) &&
858 ! BRep_Tool::Degenerated ( E1 ) ) return Standard_False;
859 //rln S4135 ShapeAnalysis_Surface new algorithms for singularities
860 //:45 by abv 16 Dec 97: BUC60035 2659: precision increased to vertex tolerance
861 //Standard_Real prec = Max ( myPrecision, BRep_Tool::Tolerance(V1) );
862 //:51 abv 22 Dec 97: recompute singularities if necessary
863 //rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( 2 * prec ); //:51 //:74 abv 15 Jan 97: *2
865 if ( p0.Distance ( p1 ) <= precFin ) {// ou DGNR manquante ?
866 //rln S4135 singularity with precision = 2 * prec, but distance <= prec
867 //lack = mySurf->DegeneratedValues ( p1, prec, p2d1, p2d2, par1, par2, forward);
868 Standard_Real tmpPreci;
870 Standard_Boolean tmpUIsoDeg;
871 //#77 rln S4135: using singularity which has minimum gap between singular point and input 3D point
872 Standard_Integer indMin = -1;
873 Standard_Real gapMin2 = RealLast();
874 for (Standard_Integer i = 1; i <= mySurf->NbSingularities (precVtx); i++) {
875 mySurf->Singularity (i, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
876 Standard_Real gap2 = p1.SquareDistance (tmpP3d);
877 if (gap2 <= precVtx * precVtx)
878 if (gapMin2 > gap2) {
884 mySurf->Singularity (indMin, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
885 lack = Standard_True;
889 //rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( myPrecision ); //:51
892 // voila, on a soit dgnr soit lack
893 if ( ! lack && ! dgnr ) {
894 //:abv 29.08.01: if singularity not detected but edge is marked
895 // as degenerated, report fail
896 if ( BRep_Tool::Degenerated ( E2 ) && ! sae.HasPCurve ( E2, Face() ) )
897 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
898 return Standard_False;
901 // OK, degenerated case detected; we will find its start and end in 2d
903 if ( lack ) forward = Standard_True;
905 //:24 by abv 28 Nov 97:
906 // make degenerative pcurve parametrized exactly from end of pcurve of the
907 // previous edge to the start of the next one
908 if ( lack || n1 != n2 ) { //:i8 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp #182180: single degedge is a wire at apex of a cone
910 Handle(Geom2d_Curve) c2d;
911 if ( sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
912 p2d1 = c2d->Value ( b );
913 //#84 rln gp_Pnt2d p2d = c2d->Value ( b );
914 //#84 rln par1 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
916 else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
917 //pdn pcurves (fixing regression in f0 in degenerated case)
918 if ( sae.PCurve ( ( dgnr ? E3 : E2 ), myFace, c2d, a, b, Standard_True ) ) {
919 p2d2 = c2d->Value ( a );
920 //#84 rln gp_Pnt2d p2d = c2d->Value ( a );
921 //#84 rln par2 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
923 else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
933 //#84 rln 18.03.99 if pcurve is not degenerate anymore, the fix is postponned
934 //to ShapeFix_Wire::FixLacking
935 if ( ! mySurf->IsDegenerated ( p2d1, p2d2, precVtx, 10. ) ) { //:s1 abv 22 Apr 99: PRO7226 #489490 //smh#9
936 //:abv 24.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
937 if ( BRep_Tool::Degenerated ( E2 ) )
938 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
939 return Standard_False;
942 //added by rln 18/12/97 CSR# CTS18544 entity 13638
943 //the situation when degenerated edge already exists but flag is not set
944 //(i.e. the parametric space is closed)
945 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
946 Standard_Real max = Max ( Ads.UResolution(myPrecision),
947 Ads.VResolution(myPrecision) );
948 if ( p2d1.Distance (p2d2) /*Abs (par1 - par2)*/ <= max + gp::Resolution() ) return Standard_False;
950 //#84 rln p2d1 = aP2d.XY() + par1 * theDir2d.XY();
951 //#84 rln p2d2 = aP2d.XY() + par2 * theDir2d.XY();
952 myStatus = ShapeExtend::EncodeStatus ( dgnr ? ShapeExtend_DONE2 : ShapeExtend_DONE1 );
953 return Standard_True;
956 //=======================================================================
957 //function : CheckDegenerated
959 //=======================================================================
961 Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num)
964 return CheckDegenerated ( num, p2d1, p2d2 );
967 //=======================================================================
968 //function : CheckGap3d
970 //=======================================================================
972 Standard_Boolean ShapeAnalysis_Wire::CheckGap3d(const Standard_Integer num)
974 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
975 //szv#4:S4163:12Mar99 optimized
976 if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
977 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
978 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
979 TopoDS_Edge E1 = myWire->Edge(n1);
980 TopoDS_Edge E2 = myWire->Edge(n2);
981 Standard_Real uf1,ul1,uf2,ul2;
982 Handle(Geom_Curve) C1,C2;
983 ShapeAnalysis_Edge SAE;
984 if (!SAE.Curve3d (E1,C1,uf1,ul1) || !SAE.Curve3d (E2,C2,uf2,ul2)) {
985 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
986 return Standard_False;
988 gp_Pnt p1 = C1->Value (ul1);
989 gp_Pnt p2 = C2->Value (uf2);
990 myMin3d = myMax3d = p1.Distance (p2);
991 if (myMin3d > myPrecision)
992 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
993 return LastCheckStatus (ShapeExtend_DONE);
996 //=======================================================================
997 //function : CheckGap2d
999 //=======================================================================
1001 Standard_Boolean ShapeAnalysis_Wire::CheckGap2d(const Standard_Integer num)
1003 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1004 //szv#4:S4163:12Mar99 optimized
1005 if ( !IsReady() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
1006 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
1007 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
1008 TopoDS_Edge E1 = myWire->Edge(n1);
1009 TopoDS_Edge E2 = myWire->Edge(n2);
1010 Standard_Real uf1,ul1,uf2,ul2;
1011 Handle(Geom2d_Curve) C1,C2;
1012 ShapeAnalysis_Edge SAE;
1013 if (!SAE.PCurve (E1,myFace,C1,uf1,ul1) || !SAE.PCurve (E2,myFace,C2,uf2,ul2)) {
1014 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1015 return Standard_False;
1017 gp_Pnt2d p1 = C1->Value (ul1);
1018 gp_Pnt2d p2 = C2->Value (uf2);
1019 myMin2d = myMax2d = p1.Distance (p2);
1020 GeomAdaptor_Surface& SA = mySurf->Adaptor3d()->ChangeSurface();
1021 if (myMin2d > (Max (SA.UResolution (myPrecision), SA.VResolution (myPrecision)) + Precision::PConfusion()))
1022 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1023 return LastCheckStatus (ShapeExtend_DONE);
1026 //=======================================================================
1027 //function : CheckCurveGap
1029 //=======================================================================
1031 Standard_Boolean ShapeAnalysis_Wire::CheckCurveGap(const Standard_Integer num)
1033 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1034 if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False;
1035 Standard_Integer n = ( num >0 ? num : NbEdges() );
1036 TopoDS_Edge E = myWire->Edge(n);
1037 Standard_Real cuf,cul,pcuf,pcul;
1038 Handle(Geom_Curve) c;
1039 ShapeAnalysis_Edge SAE;
1040 if (!SAE.Curve3d (E,c,cuf,cul,Standard_False)) {
1041 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1042 return Standard_False;
1044 Handle(Geom2d_Curve) pc;
1045 if (!SAE.PCurve (E,myFace,pc,pcuf,pcul,Standard_False)) {
1046 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1047 return Standard_False;
1049 Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(pc,pcuf,pcul);
1050 Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(mySurf->Surface());
1051 Adaptor3d_CurveOnSurface ACS(AC,AS);
1053 Standard_Integer nbp = 45;
1054 Standard_Real dist, maxdist=0.;
1055 for (Standard_Integer i=0; i<nbp; i++) {
1056 cpnt = c->Value(cuf + i*(cul-cuf)/(nbp-1));
1057 pcpnt = ACS.Value(pcuf + i*(pcul-pcuf)/(nbp-1));
1058 dist = cpnt.SquareDistance(pcpnt);
1059 if (maxdist<dist) maxdist = dist;
1061 myMin3d = myMax3d = Sqrt(maxdist);
1062 if (myMin3d > myPrecision)
1063 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1064 return LastCheckStatus (ShapeExtend_DONE);
1067 //=======================================================================
1068 //function : CheckSelfIntersectingEdge
1070 //=======================================================================
1072 // auxiliary function
1073 //:h0 abv 29 May 98: PRO10105 1949: like in BRepCheck, point is to be taken
1074 // from 3d curve (but only if edge is SameParameter)
1075 static gp_Pnt GetPointOnEdge ( const TopoDS_Edge &edge,
1076 const Handle(ShapeAnalysis_Surface) &surf,
1077 const Geom2dAdaptor_Curve &Crv2d,
1078 const Standard_Real param )
1080 if ( BRep_Tool::SameParameter ( edge ) ) {
1083 const Handle(Geom_Curve) ConS = BRep_Tool::Curve ( edge, L, f, l );
1084 if ( ! ConS.IsNull() )
1085 return ConS->Value ( param ).Transformed ( L.Transformation() );
1087 gp_Pnt2d aP2d = Crv2d.Value(param);
1088 return surf->Adaptor3d()->Value(aP2d.X(), aP2d.Y());
1091 //=======================================================================
1092 //function : CheckSelfIntersectingEdge
1094 //=======================================================================
1096 Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num,
1097 IntRes2d_SequenceOfIntersectionPoint& points2d,
1098 TColgp_SequenceOfPnt& points3d)
1102 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1103 if ( ! IsReady() ) return Standard_False;
1105 TopoDS_Edge edge = WireData()->Edge ( num >0 ? num : NbEdges() );
1106 ShapeAnalysis_Edge sae;
1109 Handle(Geom2d_Curve) Crv;
1110 if ( ! sae.PCurve ( edge, myFace, Crv, a, b, Standard_False ) ) {
1111 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1112 return Standard_False;
1114 if ( Abs ( a - b ) <= ::Precision::PConfusion() ) return Standard_False;
1116 Standard_Real tolint = 1.0e-10;
1117 //szv#4:S4163:12Mar99 warning
1118 IntRes2d_Domain domain ( Crv->Value ( a ), a, tolint, Crv->Value ( b ), b, tolint );
1119 Geom2dAdaptor_Curve AC ( Crv );
1120 Geom2dInt_GInter Inter ( AC, domain, tolint, tolint );
1122 if ( ! Inter.IsDone() ) return Standard_False;
1124 TopoDS_Vertex V1 = sae.FirstVertex ( edge );
1125 TopoDS_Vertex V2 = sae.LastVertex ( edge );
1126 if ( V1.IsNull() || V2.IsNull() ) {
1127 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1128 return Standard_False;
1130 Standard_Real tol1 = BRep_Tool::Tolerance ( V1 );
1131 Standard_Real tol2 = BRep_Tool::Tolerance ( V2 );
1133 gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 );
1134 gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 );
1136 for ( Standard_Integer i=1; i <= Inter.NbPoints(); i++ ) {
1137 const IntRes2d_IntersectionPoint &IP = Inter.Point ( i );
1138 const IntRes2d_Transition &Tr1 = IP.TransitionOfFirst();
1139 const IntRes2d_Transition &Tr2 = IP.TransitionOfSecond();
1140 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1141 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1142 gp_Pnt pint = GetPointOnEdge ( edge, mySurf, AC, IP.ParamOnFirst() );
1143 Standard_Real dist21 = pnt1.SquareDistance ( pint );
1144 Standard_Real dist22 = pnt2.SquareDistance ( pint );
1145 if ( dist21 > tol1 * tol1 && dist22 > tol2 * tol2 ) {
1146 points2d.Append ( IP );
1147 points3d.Append ( pint );
1148 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1152 return LastCheckStatus ( ShapeExtend_DONE );
1155 //=======================================================================
1156 //function : CheckSelfIntersectingEdge
1158 //=======================================================================
1160 Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num)
1162 IntRes2d_SequenceOfIntersectionPoint points2d;
1163 TColgp_SequenceOfPnt points3d;
1164 return CheckSelfIntersectingEdge ( num, points2d, points3d );
1167 //=======================================================================
1168 //function : CheckIntersectingEdges
1169 //purpose : Test if two consequent edges are intersecting
1170 // It is made in accordance with the following check in BRepCheck:
1171 // - in BRepCheck_Wire::Orientation(), test for self-intersection
1172 //=======================================================================
1174 Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num,
1175 IntRes2d_SequenceOfIntersectionPoint& points2d,
1176 TColgp_SequenceOfPnt& points3d,
1177 TColStd_SequenceOfReal& errors)
1182 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1183 if ( ! IsReady() || NbEdges() <2 ) return Standard_False;
1185 //szv#4:S4163:12Mar99 optimized
1186 Standard_Integer n2 = (num > 0)? num : NbEdges();
1187 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1188 TopoDS_Edge edge1 = myWire->Edge ( n1 );
1189 TopoDS_Edge edge2 = myWire->Edge ( n2 );
1191 ShapeAnalysis_Edge sae;
1192 TopoDS_Vertex V1 = sae.LastVertex ( edge1 );
1193 TopoDS_Vertex V2 = sae.FirstVertex ( edge2 );
1194 if ( V1.IsNull() || V2.IsNull() ) {
1195 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1196 return Standard_False;
1198 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1199 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1200 return Standard_False;
1203 TopoDS_Vertex Vp = sae.FirstVertex ( edge1 );
1204 TopoDS_Vertex Vn = sae.LastVertex ( edge2 );
1206 Standard_Real a1, b1, a2, b2;
1207 Handle(Geom2d_Curve) Crv1, Crv2;
1208 if ( ! sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False ) ) {
1209 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1210 return Standard_False;
1212 if ( ! sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False ) ) {
1213 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1214 return Standard_False;
1216 if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
1217 Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False; //:f7 abv 6 May 98: BUC50070 on #42276
1219 Standard_Boolean isForward1 = ( edge1.Orientation() == TopAbs_FORWARD );
1220 Standard_Boolean isForward2 = ( edge2.Orientation() == TopAbs_FORWARD );
1222 Standard_Real tol0 = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
1223 Standard_Real tol = tol0;
1225 gp_Pnt pnt = BRep_Tool::Pnt ( V1 );
1227 // Standard_Boolean Status = Standard_False;
1229 Standard_Real tolint = 1.0e-10;
1231 //szv#4:S4163:12Mar99 warning
1232 Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
1233 IntRes2d_Domain d1 ( C1.Value ( a1 ), a1, tolint,
1234 C1.Value ( b1 ), b1, tolint );
1235 IntRes2d_Domain d2 ( C2.Value ( a2 ), a2, tolint,
1236 C2.Value ( b2 ), b2, tolint );
1238 //:64 abv 25 Dec 97: Attention!
1239 // Since Intersection algorithm is not symmetrical, for consistency with BRepCheck
1240 // edge with lower order number shoud be intersecting with edge with higher one
1241 // i.e., for intersection of last and first edges, they should go in reversed order
1242 // Example: entity #38285 from bug CSR #CTS17806
1243 // NOTE: Tr1 and Tr2 are not reordered because they are used in the same manner
1244 Geom2dInt_GInter Inter;
1245 if ( num ==1 ) Inter.Perform ( C2, d2, C1, d1, tolint, tolint );
1246 else Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
1247 if ( ! Inter.IsDone() ) return Standard_False;
1249 //:86 abv 22 Jan 98: fix self-intersection even if tolerance of vertex is enough
1250 // to annihilate it. This is done to prevent wrong effects if vertex tolerance
1251 // will be decreased (e.g., in FixLacking)
1252 Standard_Real tole = Max ( ( BRep_Tool::SameParameter ( edge1 ) ?
1253 BRep_Tool::Tolerance ( edge1 ) : tol0 ),
1254 ( BRep_Tool::SameParameter ( edge2 ) ?
1255 BRep_Tool::Tolerance ( edge2 ) : tol0 ) );
1256 Standard_Real tolt = Min ( tol, Max ( tole, myPrecision ) );
1257 //Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); //SK
1258 Standard_Integer isLacking = -1; //:l0 abv: CATIA01 #1727: protect against adding lacking
1259 //#83 rln 19.03.99 sim2.igs, entity 4292
1260 //processing also segments as in BRepCheck
1261 Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
1262 for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
1263 IntRes2d_IntersectionPoint IP;
1264 IntRes2d_Transition Tr1, Tr2;
1266 IP = Inter.Point ( i );
1268 const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
1269 if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
1270 IP = Seg.FirstPoint();
1271 Tr1 = IP.TransitionOfFirst();
1272 Tr2 = IP.TransitionOfSecond();
1273 if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
1274 IP = Seg.LastPoint();
1276 Tr1 = IP.TransitionOfFirst();
1277 Tr2 = IP.TransitionOfSecond();
1279 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1280 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1281 Standard_Real param1, param2;
1282 param1 = ( num ==1 ? IP.ParamOnSecond() : IP.ParamOnFirst() );
1283 param2 = ( num ==1 ? IP.ParamOnFirst() : IP.ParamOnSecond() );
1285 //:r6 abv 8 Apr 99: r_47-sd.stp #173850: protect against working out of curve range
1286 if ( a1-param1 > ::Precision::PConfusion() ||
1287 param1-b1 > ::Precision::PConfusion() ||
1288 a2-param2 > ::Precision::PConfusion() ||
1289 param2-b2 > ::Precision::PConfusion() ) continue;
1291 //:82 abv 21 Jan 98: point of intersection on Crv1 and Crv2 is different
1292 gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, C1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
1293 gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, C2, param2 ); //:h0: thesurf.Value ( Crv2->Value ( param2 ) );
1294 gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
1295 Standard_Real di1 = pi1.SquareDistance ( pnt );
1296 Standard_Real di2 = pi2.SquareDistance ( pnt );
1297 Standard_Real dist2 = Max ( di1, di2 );
1299 //rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge)
1300 if ( isLacking <0 ) { //:l0
1301 gp_Pnt2d end1 = Crv1->Value ( isForward1 ? b1 : a1 );
1302 gp_Pnt2d end2 = Crv2->Value ( isForward2 ? a2 : b2 );
1303 //:l0 Standard_Real distab2 = mySurf->Value ( end1 ).SquareDistance ( mySurf->Value ( end2 ) );
1304 //:l0: test like in BRepCheck
1305 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
1306 Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
1307 isLacking = ( end1.SquareDistance(end2) >= tol2d * tol2d );
1310 if ( ( dist2 > tolt * tolt || //:86: tol -> tolt
1311 isLacking ) && //:l0
1312 //:l0 distab2 > BRep_Tool::Tolerance ( edge1 ) + BRep_Tool::Tolerance ( edge2 ) ) && //rln
1313 ( ! BRepTools::Compare ( Vp, Vn ) || //:63
1314 dist2 < pint.SquareDistance ( BRep_Tool::Pnt ( Vp ) ) ) ) { //:63
1315 points2d.Append ( IP );
1316 points3d.Append ( pint );
1317 errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
1318 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1322 return LastCheckStatus ( ShapeExtend_DONE );
1325 //=======================================================================
1326 //function : CheckIntersectingEdges
1328 //=======================================================================
1330 Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num)
1332 IntRes2d_SequenceOfIntersectionPoint points2d;
1333 TColgp_SequenceOfPnt points3d;
1334 TColStd_SequenceOfReal errors;
1335 return CheckIntersectingEdges ( num, points2d, points3d, errors );
1338 //=======================================================================
1339 //function : CheckIntersectingEdges
1341 //=======================================================================
1343 Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges(const Standard_Integer num1,
1344 const Standard_Integer num2,
1345 IntRes2d_SequenceOfIntersectionPoint& points2d,
1346 TColgp_SequenceOfPnt& points3d,
1347 TColStd_SequenceOfReal& errors)
1349 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1350 if ( ! IsReady() ) return Standard_False;
1351 Handle(ShapeExtend_WireData) sbwd = WireData();
1352 Standard_Integer n2 = ( num2 >0 ? num2 : sbwd->NbEdges() );
1353 Standard_Integer n1 = ( num1 >0 ? num1 : sbwd->NbEdges() );
1355 TopoDS_Edge edge1 = sbwd->Edge ( n1 );
1356 TopoDS_Edge edge2 = sbwd->Edge ( n2 );
1358 ShapeAnalysis_Edge sae;
1359 Standard_Real a1, b1, a2, b2;
1360 Handle(Geom2d_Curve) Crv1, Crv2;
1361 if(!sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False )){
1362 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1363 return Standard_False;
1366 if(!sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False )){
1367 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1368 return Standard_False;
1371 if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
1372 Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False;
1377 TColgp_Array1OfPnt vertexPoints(1,4);
1378 TColStd_Array1OfReal vertexTolers(1,4);
1379 vertexPoints(1) = BRep_Tool::Pnt(sae.FirstVertex(edge1));
1380 vertexTolers(1) = BRep_Tool::Tolerance(sae.FirstVertex(edge1));
1381 vertexPoints(2) = BRep_Tool::Pnt(sae.LastVertex(edge1));
1382 vertexTolers(2) = BRep_Tool::Tolerance(sae.LastVertex(edge1));
1383 vertexPoints(3) = BRep_Tool::Pnt(sae.FirstVertex(edge2));
1384 vertexTolers(3) = BRep_Tool::Tolerance(sae.FirstVertex(edge2));
1385 vertexPoints(4) = BRep_Tool::Pnt(sae.LastVertex(edge2));
1386 vertexTolers(4) = BRep_Tool::Tolerance(sae.LastVertex(edge2));
1388 Standard_Real tolint = 1.0e-10;
1390 IntRes2d_Domain d1 ( Crv1->Value ( a1 ), a1, tolint,
1391 Crv1->Value ( b1 ), b1, tolint );
1392 IntRes2d_Domain d2 ( Crv2->Value ( a2 ), a2, tolint,
1393 Crv2->Value ( b2 ), b2, tolint );
1394 Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
1396 Geom2dInt_GInter Inter;
1397 Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
1398 if ( ! Inter.IsDone() ) return Standard_False;
1400 //#83 rln 19.03.99 sim2.igs, entity 4292
1401 //processing also segments as in BRepCheck
1402 Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
1403 for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
1404 IntRes2d_IntersectionPoint IP;
1405 IntRes2d_Transition Tr1, Tr2;
1407 IP = Inter.Point ( i );
1409 const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
1410 if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
1411 IP = Seg.FirstPoint();
1412 Tr1 = IP.TransitionOfFirst();
1413 Tr2 = IP.TransitionOfSecond();
1414 if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
1415 IP = Seg.LastPoint();
1417 Tr1 = IP.TransitionOfFirst();
1418 Tr2 = IP.TransitionOfSecond();
1419 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1420 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1421 Standard_Real param1 = IP.ParamOnFirst();
1422 Standard_Real param2 = IP.ParamOnSecond();
1423 gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, C1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
1424 gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, C2, param2 );
1425 Standard_Boolean OK1 = Standard_False;
1426 Standard_Boolean OK2 = Standard_False;
1428 for(Standard_Integer j=1; (j<=2)&&!OK1; j++) {
1429 Standard_Real di1 = pi1.SquareDistance (vertexPoints(j));
1430 if(di1 < vertexTolers(j) * vertexTolers(j))
1431 OK1 = Standard_True;
1434 for(Standard_Integer j=3; (j<=4)&&!OK2; j++) {
1435 Standard_Real di2 = pi2.SquareDistance (vertexPoints(j));
1436 if(di2 < vertexTolers(j) * vertexTolers(j))
1437 OK2 = Standard_True;
1441 gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
1442 points2d.Append ( IP );
1443 points3d.Append ( pint );
1444 errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
1445 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1448 return LastCheckStatus ( ShapeExtend_DONE );
1451 //=======================================================================
1452 //function : CheckIntersectingEdges
1454 //=======================================================================
1456 Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num1,
1457 const Standard_Integer num2)
1459 IntRes2d_SequenceOfIntersectionPoint points2d;
1460 TColgp_SequenceOfPnt points3d;
1461 TColStd_SequenceOfReal errors;
1462 return CheckIntersectingEdges(num1, num2, points2d, points3d, errors);
1465 //=======================================================================
1466 //function : CheckLacking
1467 //purpose : Test if two edges are disconnected in 2d according to the
1468 // Adaptor_Surface::Resolution
1469 //=======================================================================
1471 Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
1472 const Standard_Real Tolerance,
1473 gp_Pnt2d &p2d1, gp_Pnt2d &p2d2)
1475 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1476 if ( ! IsReady() ) return Standard_False;
1478 //szv#4:S4163:12Mar99 optimized
1479 Standard_Integer n2 = (num > 0)? num : NbEdges();
1480 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1481 TopoDS_Edge E1 = myWire->Edge ( n1 );
1482 TopoDS_Edge E2 = myWire->Edge ( n2 );
1484 ShapeAnalysis_Edge sae;
1485 TopoDS_Vertex V1 = sae.LastVertex ( E1 );
1486 TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
1487 // CKY 4 MAR 1998 : protection against null vertex
1488 if ( V1.IsNull() || V2.IsNull() ) {
1489 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1490 return Standard_False;
1492 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1493 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1494 return Standard_False;
1498 gp_Vec2d v1, v2, v12;
1499 Handle(Geom2d_Curve) c2d;
1500 if ( ! sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
1501 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1502 return Standard_False;
1504 Geom2dAdaptor_Curve anAdapt(c2d);
1505 anAdapt.D1(b, p2d1, v1);
1506 if ( E1.Orientation() == TopAbs_REVERSED ) v1.Reverse();
1507 if ( ! sae.PCurve ( E2, myFace, c2d, a, b, Standard_True ) ) {
1508 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1509 return Standard_False;
1512 anAdapt.D1(a, p2d2, v2);
1513 if ( E2.Orientation() == TopAbs_REVERSED ) v2.Reverse();
1514 v12 = p2d2.XY() - p2d1.XY();
1515 myMax2d = v12.SquareMagnitude();
1517 // test like in BRepCheck
1518 Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
1519 tol = ( Tolerance > gp::Resolution() && Tolerance < tol ? Tolerance : tol );
1520 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
1521 Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
1522 if ( // tol2d < gp::Resolution() || //#2 smh 26.03.99 S4163 Zero divide
1523 myMax2d < tol2d * tol2d ) return Standard_False;
1525 myMax2d = Sqrt ( myMax2d );
1526 myMax3d = tol * myMax2d / Max ( tol2d, gp::Resolution() );
1527 myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
1529 if ( myMax2d < Precision::PConfusion() || //:abv 03.06.02 CTS21866.stp
1530 ( v1.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v1 ) ) > 0.9 * M_PI ) ||
1531 ( v2.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v2 ) ) > 0.9 * M_PI ) )
1532 myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
1533 return Standard_True;
1536 //=======================================================================
1537 //function : CheckLacking
1540 //=======================================================================
1542 Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
1543 const Standard_Real Tolerance)
1546 return CheckLacking (num, Tolerance, p1, p2);
1549 //=======================================================================
1550 //function : CheckOuterBound
1552 //=======================================================================
1554 Standard_Boolean ShapeAnalysis_Wire::CheckOuterBound(const Standard_Boolean APIMake)
1556 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1557 if ( ! IsReady() ) return Standard_False;
1560 if (APIMake) wire = myWire->WireAPIMake();
1561 else wire = myWire->Wire();
1563 TopoDS_Shape sh = myFace.EmptyCopied(); //szv#4:S4163:12Mar99 SGI warns
1564 TopoDS_Face face = TopoDS::Face(sh);
1567 if (ShapeAnalysis::IsOuterBound (face)) return Standard_False;
1568 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1569 return Standard_True;
1572 //=======================================================================
1573 //function : CheckNotchedEdges
1575 //=======================================================================
1577 static Standard_Real ProjectInside(const Adaptor3d_CurveOnSurface AD,
1579 const Standard_Real preci,
1581 Standard_Real& param,
1582 const Standard_Boolean adjustToEnds = Standard_True)
1584 ShapeAnalysis_Curve sac;
1585 Standard_Real dist = sac.Project(AD,pnt,preci,proj,param,adjustToEnds);
1586 Standard_Real uFirst = AD.FirstParameter();
1587 Standard_Real uLast = AD.LastParameter();
1590 proj = AD.Value(uFirst);
1591 return proj.Distance(pnt);
1596 proj = AD.Value(uLast);
1597 return proj.Distance(pnt);
1602 Standard_Boolean ShapeAnalysis_Wire::CheckNotchedEdges(const Standard_Integer num,
1603 Standard_Integer& shortNum,
1604 Standard_Real& param,
1605 const Standard_Real Tolerance)
1607 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1608 if ( ! IsReady() ) return Standard_False;
1610 Standard_Integer n2 = (num > 0)? num : NbEdges();
1611 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1612 TopoDS_Edge E1 = myWire->Edge ( n1 );
1613 TopoDS_Edge E2 = myWire->Edge ( n2 );
1615 if(BRep_Tool::Degenerated(E1)||BRep_Tool::Degenerated(E2))
1616 return Standard_False;
1618 ShapeAnalysis_Edge sae;
1619 TopoDS_Vertex V1 = sae.LastVertex ( E1 );
1620 TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
1622 if ( V1.IsNull() || V2.IsNull() ) {
1623 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1624 return Standard_False;
1626 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1627 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1628 return Standard_False;
1631 Standard_Real a1, b1, a2, b2;
1632 gp_Pnt2d p2d1, p2d2;
1634 Handle(Geom2d_Curve) c2d1, c2d2;
1635 if ( ! sae.PCurve ( E1, myFace, c2d1, a1, b1, Standard_False ) ) {
1636 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1637 return Standard_False;
1640 if(E1.Orientation()==TopAbs_REVERSED)
1641 c2d1->D1 ( a1, p2d1, v1 );
1643 c2d1->D1 ( b1, p2d1, v1 );
1647 if ( ! sae.PCurve ( E2, myFace, c2d2, a2, b2, Standard_False ) ) {
1648 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1649 return Standard_False;
1651 if(E2.Orientation()==TopAbs_REVERSED) {
1652 c2d2->D1 ( b2, p2d2, v2 );
1656 c2d2->D1 ( a2, p2d2, v2 );
1658 if ( v2.Magnitude() < gp::Resolution() || v1.Magnitude() < gp::Resolution())
1659 return Standard_False;
1661 if ( Abs ( v2.Angle ( v1 ) ) > 0.1 || p2d1.Distance(p2d2) > Tolerance)
1662 return Standard_False;
1664 Handle(Geom2dAdaptor_HCurve) AC2d1 = new Geom2dAdaptor_HCurve(c2d1,a1,b1);
1665 Handle(GeomAdaptor_HSurface) AdS1 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
1666 Adaptor3d_CurveOnSurface Ad1(AC2d1,AdS1);
1668 Handle(Geom2dAdaptor_HCurve) AC2d2 = new Geom2dAdaptor_HCurve(c2d2,a2,b2);
1669 Handle(GeomAdaptor_HSurface) AdS2 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
1670 Adaptor3d_CurveOnSurface Ad2(AC2d2,AdS2);
1672 Adaptor3d_CurveOnSurface longAD, shortAD;
1673 Standard_Real lenP, firstP;
1675 ShapeAnalysis_Curve sac;
1677 gp_Pnt Proj1, Proj2;
1678 Standard_Real param1 = 0., param2 = 0.;
1679 p2d2=c2d2->Value(E2.Orientation()==TopAbs_FORWARD ? b2 : a2);
1680 p2d1=c2d1->Value(E1.Orientation()==TopAbs_FORWARD ? a1 : b1);
1681 Standard_Real dist1 = ProjectInside(Ad1,gp_Pnt(p2d2.X(),p2d2.Y(),0),Tolerance,Proj1,param1,Standard_False);
1682 Standard_Real dist2 = ProjectInside(Ad2,gp_Pnt(p2d1.X(),p2d1.Y(),0),Tolerance,Proj2,param2,Standard_False);
1684 if ( dist1 > Tolerance && dist2 > Tolerance)
1685 return Standard_False;
1687 if (dist1 < dist2 ) {
1705 Standard_Real step = lenP/23;
1706 for (Standard_Integer i = 1; i < 23; i++,firstP+=step) {
1707 Standard_Real d1 = sac.Project(longAD,shortAD.Value(firstP),Tolerance,Proj1,param1);
1708 if (d1 > Tolerance) {
1709 return Standard_False;
1713 return Standard_True;
1716 //=======================================================================
1717 //function : CheckSmallArea
1719 //=======================================================================
1720 Standard_Boolean ShapeAnalysis_Wire::CheckSmallArea(const TopoDS_Wire& theWire,
1721 const Standard_Boolean theIsOuterWire)
1723 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1724 const Standard_Integer aNbControl = 23;
1725 const Standard_Integer NbEdges = myWire->NbEdges();
1726 if ( !IsReady() || NbEdges < 1 )
1727 return Standard_False;
1728 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1730 Standard_Real aF, aL, aLength(0.0);
1731 const Standard_Real anInv = 1.0 / static_cast<Standard_Real>(aNbControl - 1);
1732 gp_XY aCenter2d(0., 0.);
1734 // try to find mid point for closed contour
1735 Handle(Geom2d_Curve) aCurve2d;
1736 for (Standard_Integer j = 1; j <= NbEdges; ++j)
1738 const ShapeAnalysis_Edge anAnalyzer;
1739 if (!anAnalyzer.PCurve(myWire->Edge(j),myFace,aCurve2d,aF,aL))
1741 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1742 return Standard_False;
1745 for (Standard_Integer i = 1; i < aNbControl; ++i)
1747 const Standard_Real aV = anInv * ((aNbControl - 1 - i) * aF+ i * aL);
1748 aCenter2d += aCurve2d->Value(aV).XY();
1751 aCenter2d *= 1.0 / static_cast<Standard_Real>(NbEdges * (aNbControl - 1));
1753 // check approximated area in 3D
1755 gp_XYZ aPrev3d, aCross(0., 0., 0.);
1756 gp_XYZ aCenter(mySurf->Value(aCenter2d.X(), aCenter2d.Y()).XYZ());
1758 Handle(Geom_Curve) aCurve3d;
1759 for (Standard_Integer j = 1; j <= NbEdges; ++j)
1761 const ShapeAnalysis_Edge anAnalizer;
1762 if (!anAnalizer.Curve3d(myWire->Edge(j), aCurve3d, aF, aL))
1764 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1765 return Standard_False;
1768 Standard_Integer aBegin = 0;
1772 aPnt3d = aCurve3d->Value(aF);
1773 aPrev3d = aPnt3d.XYZ() - aCenter;
1775 for (Standard_Integer i = aBegin; i < aNbControl; ++i)
1777 const Standard_Real anU =
1778 anInv * ( (aNbControl - 1 - i) * aF + i * aL );
1779 const gp_Pnt aPnt = aCurve3d->Value(anU);
1780 const gp_XYZ& aCurrent = aPnt.XYZ();
1781 const gp_XYZ aVec = aCurrent - aCenter;
1783 aCross += aPrev3d ^ aVec;
1784 aLength += aPnt3d.Distance(aPnt);
1791 Standard_Real aTolerance = aLength * myPrecision;
1792 if ( aCross.Modulus() < aTolerance )
1794 // check real area in 3D
1795 GProp_GProps aProps;
1796 GProp_GProps aLProps;
1799 BRepGProp::SurfaceProperties(myFace, aProps);
1800 BRepGProp::LinearProperties(myFace, aLProps);
1804 BRepBuilderAPI_MakeFace aFace(mySurf->Surface(), theWire);
1805 BRepGProp::SurfaceProperties(aFace.Face(), aProps);
1806 BRepGProp::LinearProperties(aFace.Face(), aLProps);
1809 Standard_Real aNewTolerance = aLProps.Mass() * myPrecision;
1810 if ( aProps.Mass() < 0.5 * aNewTolerance )
1812 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1813 return Standard_True;
1817 return Standard_False;
1820 //=======================================================================
1821 //function : CheckShapeConnect
1823 //=======================================================================
1825 Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(const TopoDS_Shape& shape,const Standard_Real prec)
1827 Standard_Real tailhead, tailtail, headhead, headtail;
1828 return CheckShapeConnect (tailhead, tailtail, headtail, headhead, shape, prec);
1831 //=======================================================================
1832 //function : CheckShapeConnect
1834 //=======================================================================
1836 Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(Standard_Real& tailhead, Standard_Real& tailtail,
1837 Standard_Real& headtail, Standard_Real& headhead,
1838 const TopoDS_Shape& shape, const Standard_Real prec)
1840 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1841 if (!IsLoaded () || shape.IsNull()) return Standard_False;
1842 TopoDS_Vertex V1,V2;
1843 TopoDS_Edge E; TopoDS_Wire W;
1844 ShapeAnalysis_Edge SAE;
1845 if (shape.ShapeType() == TopAbs_EDGE) {
1846 E = TopoDS::Edge (shape);
1847 V1 = SAE.FirstVertex (E); V2 = SAE.LastVertex (E);
1848 } else if (shape.ShapeType() == TopAbs_WIRE) {
1849 W = TopoDS::Wire (shape);
1850 ShapeAnalysis::FindBounds (W,V1,V2);
1852 else return Standard_False;
1853 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1854 // on va comparer les points avec ceux de thevfirst et thevlast
1855 gp_Pnt p1 = BRep_Tool::Pnt(V1);
1856 gp_Pnt p2 = BRep_Tool::Pnt(V2);
1858 TopoDS_Vertex vfirst = SAE.FirstVertex (myWire->Edge (1)),
1859 vlast = SAE.LastVertex (myWire->Edge (NbEdges()));
1860 gp_Pnt pf = BRep_Tool::Pnt(vfirst);
1861 gp_Pnt pl = BRep_Tool::Pnt(vlast);
1863 tailhead = p1.Distance(pl);
1864 tailtail = p2.Distance(pl);
1865 headhead = p1.Distance(pf);
1866 headtail = p2.Distance(pf);
1867 Standard_Real dm1 = tailhead, dm2 = headtail;
1868 Standard_Integer res1 = 0, res2 = 0;
1870 if (tailhead > tailtail) {res1 = 1; dm1 = tailtail;}
1871 if (headtail > headhead) {res2 = 1; dm2 = headhead;}
1872 Standard_Integer result = res1;
1873 myMin3d = Min (dm1, dm2);
1874 myMax3d = Max (dm1, dm2);
1875 if (dm1 > dm2) {dm1 = dm2; result = res2 + 2;}
1877 case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
1878 case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
1879 case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
1881 if (!res1) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
1882 if (!res2) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
1884 if (myMin3d > Max (myPrecision, prec))
1885 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1886 return LastCheckStatus (ShapeExtend_DONE);
1889 //=======================================================================
1890 //function : CheckLoop
1892 //=======================================================================
1893 Standard_Boolean isMultiVertex(const TopTools_ListOfShape& alshape,
1894 const TopTools_MapOfShape& aMapSmallEdges,
1895 const TopTools_MapOfShape& aMapSeemEdges)
1897 TopTools_ListIteratorOfListOfShape lIt1(alshape);
1898 Standard_Integer nbNotAccount =0;
1900 for( ; lIt1.More() ; lIt1.Next())
1902 if(aMapSmallEdges.Contains(lIt1.Value()))
1904 else if(aMapSeemEdges.Contains(lIt1.Value()))
1907 return ((alshape.Extent() -nbNotAccount) >2);
1909 Standard_Boolean ShapeAnalysis_Wire::CheckLoop(TopTools_IndexedMapOfShape& aMapLoopVertices,
1910 TopTools_DataMapOfShapeListOfShape& aMapVertexEdges,
1911 TopTools_MapOfShape& aMapSmallEdges,
1912 TopTools_MapOfShape& aMapSeemEdges)
1914 myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
1915 if (!IsLoaded() || NbEdges() < 2) return Standard_False;
1916 Standard_Real aSavPreci = Precision();
1917 SetPrecision(Precision::Infinite());
1918 Standard_Integer i =1;
1920 for( ; i <= myWire->NbEdges(); i++) {
1921 TopoDS_Edge aedge = myWire->Edge(i);
1922 TopoDS_Vertex aV1,aV2;
1923 TopExp::Vertices(aedge,aV1,aV2);
1924 if (aV1.IsNull() || aV2.IsNull())
1926 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1927 return Standard_False;
1929 Standard_Boolean isSame = aV1.IsSame(aV2);
1930 if(myWire->IsSeam(i))
1931 aMapSeemEdges.Add(aedge); ///continue;
1932 else if(BRep_Tool::Degenerated(aedge))
1933 aMapSmallEdges.Add(aedge);
1934 else if(isSame && CheckSmall(i,BRep_Tool::Tolerance(aV1)))
1935 aMapSmallEdges.Add(aedge);
1937 if(!aMapVertexEdges.IsBound(aV1)) {
1938 TopTools_ListOfShape alshape;
1939 aMapVertexEdges.Bind(aV1,alshape);
1941 if(!aMapVertexEdges.IsBound(aV2)) {
1942 TopTools_ListOfShape alshape;
1943 aMapVertexEdges.Bind(aV2,alshape);
1947 TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
1948 alshape.Append(aedge);
1949 alshape.Append(aedge);
1950 if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
1951 aMapLoopVertices.Add(aV1);
1954 TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
1955 alshape.Append(aedge);
1956 if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
1957 aMapLoopVertices.Add(aV1);
1958 TopTools_ListOfShape& alshape2 = aMapVertexEdges.ChangeFind(aV2);
1959 alshape2.Append(aedge);
1960 if(alshape2.Extent() >2 && isMultiVertex( alshape2,aMapSmallEdges,aMapSeemEdges))
1961 aMapLoopVertices.Add(aV2);
1964 SetPrecision(aSavPreci);
1965 if(aMapLoopVertices.Extent())
1967 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1968 myStatusLoop |= myStatus;
1969 return Standard_True;
1971 return Standard_False;
1974 //=======================================================================
1975 //function : Project
1977 //=======================================================================
1978 static Standard_Real Project(
1979 const Handle(Geom_Curve)& theCurve,
1980 const Standard_Real theFirstParameter,
1981 const Standard_Real theLastParameter,
1982 const gp_Pnt& thePoint,
1983 const Standard_Real thePrecision,
1984 Standard_Real& theParameter,
1985 gp_Pnt& theProjection)
1987 const Standard_Real aDist = ShapeAnalysis_Curve().Project(theCurve, thePoint,
1988 thePrecision, theProjection, theParameter, theFirstParameter,
1990 if (theParameter >= theFirstParameter && theParameter <= theLastParameter)
1995 const Standard_Real aParams[] = {theFirstParameter, theLastParameter};
1996 const gp_Pnt aPrjs[] =
1997 {theCurve->Value(aParams[0]), theCurve->Value(aParams[1])};
1998 const Standard_Real aDists[] =
1999 {thePoint.Distance(aPrjs[0]), thePoint.Distance(aPrjs[1])};
2000 const Standard_Integer aPI = (aDists[0] <= aDists[1]) ? 0 : 1;
2001 theParameter = aParams[aPI];
2002 theProjection = aPrjs[aPI];
2006 //=======================================================================
2007 //function : CheckTail
2009 //=======================================================================
2010 Standard_Boolean ShapeAnalysis_Wire::CheckTail(
2011 const TopoDS_Edge& theEdge1,
2012 const TopoDS_Edge& theEdge2,
2013 const Standard_Real theMaxSine,
2014 const Standard_Real theMaxWidth,
2015 const Standard_Real theMaxTolerance,
2016 TopoDS_Edge& theEdge11,
2017 TopoDS_Edge& theEdge12,
2018 TopoDS_Edge& theEdge21,
2019 TopoDS_Edge& theEdge22)
2021 const TopoDS_Edge aEs[] = {theEdge1, theEdge2};
2022 if (!IsReady() || BRep_Tool::Degenerated(aEs[0]) ||
2023 BRep_Tool::Degenerated(aEs[1]))
2025 return Standard_False;
2028 // Check the distance between the edge common ends.
2029 const Standard_Real aTol2 = theMaxWidth + 0.5 * Precision::Confusion();
2030 const Standard_Real aTol3 = theMaxWidth + Precision::Confusion();
2031 const Standard_Real aTol4 = theMaxWidth + 1.5 * Precision::Confusion();
2032 const Standard_Real aSqTol2 = aTol2 * aTol2;
2033 const Standard_Real aSqTol3 = aTol3 * aTol3;
2034 Handle(Geom_Curve) aCs[2];
2035 Standard_Real aLs[2][2];
2036 Standard_Integer aVIs[2];
2039 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2041 if (!ShapeAnalysis_Edge().Curve3d(
2042 aEs[aEI], aCs[aEI], aLs[aEI][0], aLs[aEI][1], Standard_False))
2044 return Standard_False;
2047 aVIs[aEI] = (aEs[aEI].Orientation() == TopAbs_REVERSED) ? aEI : 1 - aEI;
2048 aVPs[aEI] = aCs[aEI]->Value(aLs[aEI][aVIs[aEI]]);
2050 if (aVPs[0].SquareDistance(aVPs[1]) > aSqTol2)
2052 return Standard_False;
2056 // Check the angle between the edges.
2057 if (theMaxSine >= 0)
2059 const Standard_Real aSqMaxSine = theMaxSine * theMaxSine;
2061 Standard_Integer aReverse = 0;
2062 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2064 GeomAdaptor_Curve aCA(aCs[aEI]);
2065 if (GCPnts_AbscissaPoint::Length(aCA, aLs[aEI][0], aLs[aEI][1],
2066 0.25 * Precision::Confusion()) < 0.5 * Precision::Confusion())
2068 return Standard_False;
2071 GCPnts_AbscissaPoint aAP(0.25 * Precision::Confusion(), aCA,
2072 0.5 * Precision::Confusion() * (1 - 2 * aVIs[aEI]),
2073 aLs[aEI][aVIs[aEI]]);
2076 return Standard_False;
2080 aPs[aVIs[aEI]] = aVPs[aEI].XYZ();
2081 aPs[1 - aVIs[aEI]] = aCs[aEI]->Value(aAP.Parameter()).XYZ();
2082 aDs[aEI] = aPs[1] - aPs[0];
2083 const Standard_Real aDN = aDs[aEI].Modulus();
2084 if (aDN < 0.1 * Precision::Confusion())
2086 return Standard_False;
2089 aDs[aEI] *= 1 / aDN;
2090 aReverse ^= aVIs[aEI];
2096 if (aDs[0] * aDs[1] < 0 || aDs[0].CrossSquareMagnitude(aDs[1]) > aSqMaxSine)
2098 return Standard_False;
2102 // Calculate the tail bounds.
2103 gp_Pnt aPs[2], aPrjs[2];
2104 Standard_Real aParams1[2], aParams2[2];
2105 Standard_Real aDists[2];
2106 Standard_Boolean isWholes[] = {Standard_True, Standard_True};
2107 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2109 Standard_Real aParam1 = aLs[aEI][aVIs[aEI]];
2110 aParams1[aEI] = aLs[aEI][1 - aVIs[aEI]];
2111 aCs[aEI]->D0(aParams1[aEI], aPs[aEI]);
2112 aDists[aEI] = Project(aCs[1 - aEI], aLs[1 - aEI][0], aLs[1 - aEI][1],
2113 aPs[aEI], 0.25 * Precision::Confusion(), aParams2[aEI], aPrjs[aEI]);
2114 if (aDists[aEI] <= aTol2)
2119 isWholes[aEI] = Standard_False;
2122 const Standard_Real aParam = (aParam1 + aParams1[aEI]) * 0.5;
2123 aCs[aEI]->D0(aParam, aPs[aEI]);
2124 const Standard_Real aDist = Project(aCs[1 - aEI], aLs[1 - aEI][0],
2125 aLs[1 - aEI][1], aPs[aEI], 0.25 * Precision::Confusion(), aParams2[aEI],
2133 aParams1[aEI] = aParam;
2142 // Check the tail bounds.
2143 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2145 const Standard_Real aParam1 = aLs[aEI][aVIs[aEI]];
2146 const Standard_Real aParam2 = aParams1[aEI];
2147 const Standard_Real aStepL = (aParam2 - aParam1) / 23;
2148 for (Standard_Integer aStepN = 1; aStepN < 23; ++aStepN)
2150 Standard_Real aParam = aParam1 + aStepN * aStepL;
2151 gp_Pnt aP = aCs[aEI]->Value(aParam), aPrj;
2152 if (Project(aCs[1 - aEI], aLs[1 - aEI][0], aLs[1 - aEI][1], aP,
2153 0.25 * Precision::Confusion(), aParam, aPrj) > aTol4)
2155 return Standard_False;
2160 // Check whether both edges must be removed.
2161 if (isWholes[0] && isWholes[1] && aPs[0].SquareDistance(aPs[1]) <= aSqTol3)
2163 theEdge11 = theEdge1;
2164 theEdge21 = theEdge2;
2165 return Standard_True;
2168 // Cut and remove the edges.
2169 Standard_Integer aFI = 0;
2170 if (isWholes[0] || isWholes[1])
2172 // Determine an edge to remove and the other one to cut.
2173 aFI = isWholes[0] ? 0 : 1;
2174 if (aDists[1 - aFI] < aDists[aFI] && isWholes[1 - aFI])
2179 Standard_Real aParams[2];
2180 aParams[aFI] = aParams1[aFI];
2181 aParams[1 - aFI] = aParams2[aFI];
2183 // Correct the cut for the parametrization tolerance.
2184 TopoDS_Edge* aEParts[][2] =
2185 {{&theEdge11, &theEdge12}, {&theEdge21, &theEdge22}};
2186 Standard_Integer aResults[] = {1, 1};
2187 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2189 if (Abs(aParams[aEI] - aLs[aEI][1 - aVIs[aEI]]) <= Precision::PConfusion())
2192 *aEParts[aEI][0] = aEs[aEI];
2194 else if (Abs(aParams[aEI] - aLs[aEI][aVIs[aEI]]) <= Precision::PConfusion())
2200 // Correct the cut for the distance tolerance.
2201 for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
2203 if (aResults[aEI] != 1)
2208 // Create the parts of the edge.
2209 TopoDS_Edge aFE = TopoDS::Edge(aEs[aEI].Oriented(TopAbs_FORWARD));
2210 ShapeAnalysis_TransferParametersProj aSATPP(aFE, TopoDS_Face());
2211 aSATPP.SetMaxTolerance(theMaxTolerance);
2212 TopoDS_Vertex aSplitV;
2213 BRep_Builder().MakeVertex(
2214 aSplitV, aCs[aEI]->Value(aParams[aEI]), Precision::Confusion());
2215 TopoDS_Edge aEParts2[] = {
2216 ShapeBuild_Edge().CopyReplaceVertices(aFE, TopoDS_Vertex(),
2217 TopoDS::Vertex(aSplitV.Oriented(TopAbs_REVERSED))),
2218 ShapeBuild_Edge().CopyReplaceVertices(aFE, aSplitV, TopoDS_Vertex())};
2219 ShapeBuild_Edge().CopyPCurves(aEParts2[0], aFE);
2220 ShapeBuild_Edge().CopyPCurves(aEParts2[1], aFE);
2221 BRep_Builder().SameRange(aEParts2[0], Standard_False);
2222 BRep_Builder().SameRange(aEParts2[1], Standard_False);
2223 BRep_Builder().SameParameter(aEParts2[0], Standard_False);
2224 BRep_Builder().SameParameter(aEParts2[1], Standard_False);
2225 aSATPP.TransferRange(
2226 aEParts2[0], aLs[aEI][0], aParams[aEI], Standard_False);
2227 aSATPP.TransferRange(
2228 aEParts2[1], aParams[aEI], aLs[aEI][1], Standard_False);
2229 GProp_GProps aLinProps;
2230 BRepGProp::LinearProperties(aEParts2[1 - aVIs[aEI]], aLinProps);
2231 if (aLinProps.Mass() <= Precision::Confusion())
2234 *aEParts[aEI][0] = aEs[aEI];
2238 BRepGProp::LinearProperties(aEParts2[aVIs[aEI]], aLinProps);
2239 if (aLinProps.Mass() <= Precision::Confusion())
2245 *aEParts[aEI][0] = aEParts2[0];
2246 *aEParts[aEI][1] = aEParts2[1];
2251 return aResults[0] + aResults[1] != 0;