1 // Created on: 1994-06-07
2 // Created by: Bruno DUMORTIER
3 // Copyright (c) 1994-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <BRepFill_Pipe.ixx>
19 #include <Standard_ErrorHandler.hxx>
21 #include <BRep_Tool.hxx>
22 #include <BRep_Builder.hxx>
23 #include <BRepClass3d_SolidClassifier.hxx>
24 #include <BRepLib_MakeVertex.hxx>
25 #include <BRepTools_Substitution.hxx>
27 #include <GeomFill_CorrectedFrenet.hxx>
28 #include <GeomFill_Frenet.hxx>
29 #include <GeomFill_DiscreteTrihedron.hxx>
30 #include <GeomFill_CurveAndTrihedron.hxx>
32 #include <BRepFill_SectionPlacement.hxx>
33 #include <BRepFill_ShapeLaw.hxx>
34 #include <BRepFill_Edge3DLaw.hxx>
35 #include <BRepFill_Sweep.hxx>
37 #include <GeomAbs_Shape.hxx>
39 #include <TopAbs_ShapeEnum.hxx>
41 #include <TopoDS_Shell.hxx>
42 #include <TopoDS_Solid.hxx>
43 #include <TopoDS_Compound.hxx>
44 #include <TopoDS_Iterator.hxx>
45 #include <TopTools_DataMapOfShapeInteger.hxx>
46 #include <TColStd_DataMapOfIntegerInteger.hxx>
47 #include <TColStd_DataMapIteratorOfDataMapOfIntegerInteger.hxx>
49 #include <Precision.hxx>
50 #include <Standard_NotImplemented.hxx>
52 #include <Geom_TrimmedCurve.hxx>
53 #include <Geom_OffsetCurve.hxx>
54 #include <Geom_BSplineCurve.hxx>
55 #include <BRepBuilderAPI_Transform.hxx>
56 #include <BRepBuilderAPI_Copy.hxx>
57 #include <TopTools_SequenceOfShape.hxx>
58 #include <TopTools_ListIteratorOfListOfShape.hxx>
59 #include <BRepLib.hxx>
61 #include <Geom2dAdaptor_HCurve.hxx>
62 #include <GeomAdaptor_HSurface.hxx>
63 #include <Adaptor3d_CurveOnSurface.hxx>
65 #include <ShapeUpgrade_RemoveLocations.hxx>
69 static Standard_Boolean Affich = 0;
72 static void ReverseModifiedEdges(TopoDS_Shape& aShape,
73 TopTools_MapOfShape& Emap)
75 TopExp_Explorer Explo(aShape, TopAbs_FACE);
78 for (; Explo.More(); Explo.Next())
80 TopoDS_Shape aFace = Explo.Current();
81 TopoDS_Iterator itf(aFace);
82 for (; itf.More(); itf.Next())
84 TopoDS_Shape aWire = itf.Value();
85 TopTools_ListOfShape Ledges;
86 TopoDS_Iterator itw(aWire);
87 for (; itw.More(); itw.Next())
88 Ledges.Append(itw.Value());
90 aWire.Free(Standard_True);
91 TopTools_ListIteratorOfListOfShape itl(Ledges);
92 for (; itl.More(); itl.Next())
93 BB.Remove(aWire, itl.Value());
95 for (itl.Initialize(Ledges); itl.More(); itl.Next())
97 TopoDS_Shape anEdge = itl.Value();
98 if (Emap.Contains(anEdge))
100 BB.Add(aWire, anEdge);
106 static void UpdateTolFromTopOrBottomPCurve(const TopoDS_Face& aFace,
109 Standard_Real fpar, lpar;
110 Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, aFace, fpar, lpar);
111 if (aPCurve.IsNull())
114 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
118 Handle(Geom2dAdaptor_HCurve) GAHC2d = new Geom2dAdaptor_HCurve(aPCurve, fpar, lpar);
119 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
120 Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(aSurf);
121 Adaptor3d_CurveOnSurface ConS(GAHC2d, GAHS);
123 Standard_Real Tol = BRep_Tool::Tolerance(anEdge);
124 Standard_Real InitTol = Tol;
125 Standard_Real TolTol = Tol*Tol;
126 const Standard_Integer NCONTROL = 22;
127 Standard_Real delta = (lpar - fpar)/NCONTROL;
128 for (Standard_Integer i = 0; i <= NCONTROL; i++)
130 Standard_Real par = fpar + i*delta;
131 gp_Pnt pnt = aCurve->Value(par);
132 gp_Pnt prj = ConS.Value(par);
133 Standard_Real sqdist = pnt.SquareDistance(prj);
137 Tol = 1.00005 * Sqrt(TolTol);
141 BB.UpdateEdge(anEdge, Tol);
142 TopoDS_Iterator itv(anEdge);
143 for (; itv.More(); itv.Next())
145 TopoDS_Vertex aVertex = TopoDS::Vertex(itv.Value());
146 BB.UpdateVertex(aVertex, Tol);
151 //=======================================================================
152 //function : BRepFill_Pipe
154 //=======================================================================
156 BRepFill_Pipe::BRepFill_Pipe()
160 myContinuity = GeomAbs_C2;
161 myMode = GeomFill_IsCorrectedFrenet;
162 myForceApproxC1 = Standard_False;
164 myCurIndexOfSectionEdge = 1;
168 //=======================================================================
169 //function : BRepFill_Pipe
171 //=======================================================================
173 BRepFill_Pipe::BRepFill_Pipe(const TopoDS_Wire& Spine,
174 const TopoDS_Shape& Profile,
175 const GeomFill_Trihedron aMode,
176 const Standard_Boolean ForceApproxC1,
177 const Standard_Boolean KPart)
183 myMode = GeomFill_IsCorrectedFrenet;
184 if (aMode == GeomFill_IsFrenet ||
185 aMode == GeomFill_IsCorrectedFrenet ||
186 aMode == GeomFill_IsDiscreteTrihedron)
189 myContinuity = GeomAbs_C2;
190 if (myMode == GeomFill_IsDiscreteTrihedron)
191 myContinuity = GeomAbs_C0;
193 myForceApproxC1 = ForceApproxC1;
195 myCurIndexOfSectionEdge = 1;
197 Perform(Spine, Profile, KPart);
201 //=======================================================================
204 //=======================================================================
206 void BRepFill_Pipe::Perform(const TopoDS_Wire& Spine,
207 const TopoDS_Shape& Profile,
208 const Standard_Boolean /*KPart*/)
211 mySections.Nullify();
220 BRepTools_WireExplorer wexp;
221 TopoDS_Shape TheProf;
223 Handle(GeomFill_TrihedronLaw) TLaw;
226 case GeomFill_IsFrenet:
227 TLaw = new GeomFill_Frenet();
229 case GeomFill_IsCorrectedFrenet:
230 TLaw = new GeomFill_CorrectedFrenet();
232 case GeomFill_IsDiscreteTrihedron:
233 TLaw = new GeomFill_DiscreteTrihedron();
238 Handle(GeomFill_CurveAndTrihedron) Loc =
239 new (GeomFill_CurveAndTrihedron) (TLaw);
240 myLoc = new (BRepFill_Edge3DLaw) (mySpine, Loc);
241 if (myLoc->NbLaw() == 0) {
242 return; // Degenerated case
244 myLoc->TransformInG0Law(); // Set into continuity
246 BRepFill_SectionPlacement Place(myLoc, Profile);
247 myTrsf = Place.Transformation();
249 TopLoc_Location Loc2(myTrsf), Loc1;
250 Loc1 = Profile.Location();
253 TheProf.Location(Loc2.Multiplied(Loc1));
255 // Construct First && Last Shape
256 Handle(GeomFill_LocationLaw) law;
261 Standard_Real first, last;
262 myLoc->Law(1)->GetDomain(first, last);
263 myLoc->Law(1)->D0(first, M, V);
264 fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
265 M(2,1), M(2,2), M(2,3), V.Y(),
266 M(3,1), M(3,2), M(3,3), V.Z());
268 fila.Multiply(myTrsf);
269 TopLoc_Location LocFirst(fila);
271 if ( ! LocFirst.IsIdentity()) {
272 //myFirst.Location( LocFirst.Multiplied(myProfile.Location()) );
273 myFirst = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
276 ShapeUpgrade_RemoveLocations RemLoc;
277 RemLoc.SetRemoveLevel(TopAbs_COMPOUND);
278 RemLoc.Remove(myFirst);
279 myFirst = RemLoc.GetResult();
281 myLoc->Law(myLoc->NbLaw())->GetDomain(first, last);
282 myLoc->Law(myLoc->NbLaw())->D0(last,M, V);
283 // try { // Not good, but there are no other means to test SetValues
284 fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
285 M(2,1), M(2,2), M(2,3), V.Y(),
286 M(3,1), M(3,2), M(3,3), V.Z());
287 fila.Multiply(myTrsf);
288 TopLoc_Location LocLast(fila);
289 if (! myLoc->IsClosed() || LocFirst != LocLast) {
291 if ( ! LocLast.IsIdentity()) {
292 //myLast.Location(LocLast.Multiplied(myProfile.Location()) );
293 myLast = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
300 RemLoc.Remove(myLast);
301 myLast = RemLoc.GetResult();
305 DBRep::Set("theprof", TheProf);
306 DBRep::Set("thefirst", myFirst);
307 DBRep::Set("thelast" , myLast);
311 myShape = MakeShape(TheProf, myFirst, myLast);
315 //=======================================================================
318 //=======================================================================
320 const TopoDS_Shape& BRepFill_Pipe::Spine() const
325 //=======================================================================
328 //=======================================================================
330 const TopoDS_Shape& BRepFill_Pipe::Profile() const
335 //=======================================================================
338 //=======================================================================
340 const TopoDS_Shape& BRepFill_Pipe::Shape() const
345 //=======================================================================
346 //function : ErrorOnSurface
348 //=======================================================================
350 Standard_Real BRepFill_Pipe::ErrorOnSurface() const
352 return myErrorOnSurf;
356 //=======================================================================
357 //function : FirstShape
359 //=======================================================================
361 const TopoDS_Shape& BRepFill_Pipe::FirstShape() const
367 //=======================================================================
368 //function : LastShape
370 //=======================================================================
372 const TopoDS_Shape& BRepFill_Pipe::LastShape() const
378 //=======================================================================
381 //=======================================================================
383 TopoDS_Face BRepFill_Pipe::Face(const TopoDS_Edge& ESpine,
384 const TopoDS_Edge& EProfile)
388 if ( BRep_Tool::Degenerated(EProfile))
391 Standard_Integer ii, ispin = 0, iprof = 0, count = 0;
393 // *************************************************
394 // Search if EProfile is an edge of myProfile
395 // *************************************************
396 iprof = FindEdge(myProfile, EProfile, count);
398 if (!iprof) Standard_DomainError::Raise(
399 "BRepFill_Pipe::Face : Edge not in the Profile");
402 // *************************************************
403 // Search if ESpine is an edge of mySpine and find
404 // the index of the corresponding Filler
405 // *************************************************
406 for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
407 if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
409 if (!ispin) Standard_DomainError::Raise(
410 "BRepFill_Pipe::Edge : Edge not in the Spine");
412 theFace = TopoDS::Face(myFaces->Value(iprof, ispin));
417 //=======================================================================
420 //=======================================================================
421 TopoDS_Edge BRepFill_Pipe::Edge(const TopoDS_Edge& ESpine,
422 const TopoDS_Vertex& VProfile)
424 Standard_Integer ii, ispin = 0, iprof = 0, count = 0;;
426 // *************************************************
427 // Search if VProfile is a Vertex of myProfile
428 // *************************************************
429 iprof = FindVertex(myProfile, VProfile, count);
430 if (!iprof) Standard_DomainError::Raise(
431 "BRepFill_Pipe::Edge : Vertex not in the Profile");
434 // *************************************************
435 // Search if ESpine is an edge of mySpine and find
436 // the index of the corresponding Filler
437 // *************************************************
439 for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
440 if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
442 if (!ispin) Standard_DomainError::Raise(
443 "BRepFill_Pipe::Edge : Edge not in the Spine");
446 // *************************************************
447 // Generate the corresponding Shape
448 // *************************************************
450 theEdge = TopoDS::Edge(myEdges->Value(iprof, ispin));
457 //=======================================================================
460 //=======================================================================
462 TopoDS_Shape BRepFill_Pipe::Section(const TopoDS_Vertex& VSpine) const
464 TopoDS_Iterator it, itv;
466 Standard_Integer ii, ispin = 0;
468 TopoDS_Shape curSect = myProfile;
470 // *************************************************
471 // Search if ESpine is an edge of mySpine and find
472 // the index of the corresponding Filler
473 // *************************************************
475 // iterate on all the edges of mySpine
476 for (ii=1; ii<=myLoc->NbLaw()+1 && (!ispin); ii++)
477 if (VSpine.IsSame(myLoc->Vertex(ii))) ispin = ii;
479 if (!ispin) Standard_DomainError::Raise(
480 "BRepFill_Pipe::Section : Vertex not in the Spine");
483 TopoDS_Compound Comp;
484 B.MakeCompound(Comp);
485 for (ii=1; ii<=mySections->ColLength(); ii++)
486 B.Add(Comp, mySections->Value(ii, ispin));
491 //=======================================================================
492 //function : PipeLine
493 //purpose : Construct a wire by sweeping of a point
494 //=======================================================================
496 TopoDS_Wire BRepFill_Pipe::PipeLine(const gp_Pnt& Point)
503 BRepLib_MakeVertex MkV(P);
504 Handle(BRepFill_ShapeLaw) Section =
505 new (BRepFill_ShapeLaw) (MkV.Vertex());
508 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
509 MkSw.SetForceApproxC1(myForceApproxC1);
510 MkSw.Build( myReversedEdges, myTapes, myRails,
511 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
512 TopoDS_Shape aLocalShape = MkSw.Shape();
513 myErrorOnSurf = MkSw.ErrorOnSurface();
514 return TopoDS::Wire(aLocalShape);
515 // return TopoDS::Wire(MkSw.Shape());
518 //=======================================================================
519 //function : MakeShape
521 //=======================================================================
523 TopoDS_Shape BRepFill_Pipe::MakeShape(const TopoDS_Shape& S,
524 const TopoDS_Shape& FirstShape,
525 const TopoDS_Shape& LastShape)
529 Standard_Boolean explode = Standard_False;
530 TopoDS_Shape TheS, TheFirst, TheLast;
531 Standard_Integer InitialLength = 0;
533 TheFirst = FirstShape;
535 if (! myFaces.IsNull()) InitialLength = myFaces->ColLength();
537 // there are two kinds of generation
538 // 1. generate with S from each Filler (Vertex, Edge)
539 // 2. call MakeShape recursively on the subshapes of S
541 // explode is True in the second case
543 // create the result empty
545 switch (S.ShapeType()) {
549 B.MakeWire(TopoDS::Wire(result));
556 B.MakeShell(TopoDS::Shell(result));
559 W.Closed(BRep_Tool::IsClosed(S));
561 if (!FirstShape.IsNull()) {
563 B.Add(W, FirstShape);
564 W.Closed(BRep_Tool::IsClosed(FirstShape));
567 if (!LastShape.IsNull()) {
570 W.Closed(BRep_Tool::IsClosed(LastShape));
573 result.Closed (BRep_Tool::IsClosed (result));
578 B.MakeShell(TopoDS::Shell(result));
583 B.MakeShell(TopoDS::Shell(result));
584 explode = Standard_True;
585 if ( !mySpine.Closed() && !TheFirst.IsNull()) {
586 B.Add(result, TheFirst.Reversed());
588 result.Closed (BRep_Tool::IsClosed (result));
594 B.MakeCompSolid(TopoDS::CompSolid(result));
595 explode = Standard_True;
600 case TopAbs_COMPSOLID :
601 Standard_DomainError::Raise("BRepFill_Pipe::profile contains solids");
604 case TopAbs_COMPOUND :
606 B.MakeCompound(TopoDS::Compound(result));
607 explode = Standard_True;
616 TopoDS_Iterator itFirst, itLast;
617 TopoDS_Shape first, last;
618 if (!TheFirst.IsNull()) itFirst.Initialize(TheFirst);
619 if (!TheLast.IsNull()) itLast.Initialize(TheLast);
621 for (TopoDS_Iterator it(S); it.More(); it.Next()) {
622 if (!TheFirst.IsNull()) first = itFirst.Value();
623 if (!TheLast.IsNull()) last = itLast.Value();
624 if (TheS.ShapeType() == TopAbs_FACE )
625 MakeShape(it.Value(), first, last);
627 B.Add(result,MakeShape(it.Value(), first, last));
629 if (!TheFirst.IsNull()) itFirst.Next();
630 if (!TheLast.IsNull()) itLast.Next();
635 if (TheS.ShapeType() == TopAbs_VERTEX ) {
636 Handle(BRepFill_ShapeLaw) Section =
637 new (BRepFill_ShapeLaw) (TopoDS::Vertex(TheS));
638 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
639 MkSw.SetForceApproxC1(myForceApproxC1);
640 MkSw.Build( myReversedEdges, myTapes, myRails,
641 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
642 result = MkSw.Shape();
643 myErrorOnSurf = MkSw.ErrorOnSurface();
645 Handle(TopTools_HArray2OfShape) aSections = MkSw.Sections();
647 if (aSections.IsNull() == Standard_False) {
648 const Standard_Integer aVLast = aSections->UpperCol();
650 myFirst = aSections->Value(1, 1);
651 myLast = aSections->Value(1, aVLast);
655 if (TheS.ShapeType() == TopAbs_WIRE ) {
656 Handle(BRepFill_ShapeLaw) Section =
657 new (BRepFill_ShapeLaw) (TopoDS::Wire(TheS));
658 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
659 MkSw.SetBounds(TopoDS::Wire(TheFirst),
660 TopoDS::Wire(TheLast));
661 MkSw.SetForceApproxC1(myForceApproxC1);
662 MkSw.Build( myReversedEdges, myTapes, myRails,
663 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
664 result = MkSw.Shape();
665 myErrorOnSurf = MkSw.ErrorOnSurface();
666 //Correct <myFirst> and <myLast>
667 ReverseModifiedEdges(myFirst, myReversedEdges);
668 ReverseModifiedEdges(myLast, myReversedEdges);
670 // Labeling of elements
671 if (mySections.IsNull()) {
672 myFaces = MkSw.SubShape();
673 mySections = MkSw.Sections();
674 myEdges = MkSw.InterFaces();
677 Handle(TopTools_HArray2OfShape) Aux, Somme;
678 Standard_Integer length;
679 Standard_Integer ii, jj, kk;
681 Aux = MkSw.SubShape();
682 length = Aux->ColLength() + myFaces->ColLength();
683 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
685 for (jj=1; jj<=myFaces->RowLength(); jj++) {
686 for (ii=1; ii<=myFaces->ColLength(); ii++)
687 Somme->SetValue(ii, jj, myFaces->Value(ii, jj));
689 for (kk=1, ii=myFaces->ColLength()+1;
690 kk <=Aux->ColLength(); kk++, ii++)
691 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
695 Aux = MkSw.Sections();
696 length = Aux->ColLength() + mySections->ColLength();
697 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
699 for (jj=1; jj<=mySections->RowLength(); jj++) {
700 for (ii=1; ii<=mySections->ColLength(); ii++)
701 Somme->SetValue(ii, jj, mySections->Value(ii, jj));
703 myCurIndexOfSectionEdge = mySections->ColLength()+1;
705 for (kk=1, ii=mySections->ColLength()+1;
706 kk <=Aux->ColLength(); kk++, ii++)
707 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
711 Aux = MkSw.InterFaces();
712 length = Aux->ColLength() + myEdges->ColLength();
713 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
715 for (jj=1; jj<=myEdges->RowLength(); jj++) {
716 for (ii=1; ii<=myEdges->ColLength(); ii++)
717 Somme->SetValue(ii, jj, myEdges->Value(ii, jj));
719 for (kk=1, ii=myEdges->ColLength()+1;
720 kk <=Aux->ColLength(); kk++, ii++)
721 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
729 if ( TheS.ShapeType() == TopAbs_FACE ) {
730 Standard_Integer ii, jj;
732 TopExp_Explorer Explo(result, TopAbs_FACE);
733 for (; Explo.More(); Explo.Next())
735 TopoDS_Shape aFace = Explo.Current();
736 RebuildTopOrBottomFace(aFace.Reversed(), Standard_True); //top face was reversed
740 for (ii=InitialLength+1; ii<=myFaces->ColLength(); ii++) {
741 for (jj=1; jj<=myFaces->RowLength(); jj++) {
742 F = TopoDS::Face(myFaces->Value(ii, jj));
743 if (!F.IsNull()) B.Add(result, F);
747 if ( !mySpine.Closed()) {
748 // if Spine is not closed
749 // add the last face of the solid
752 RebuildTopOrBottomFace(TheLast, Standard_False); //bottom face
754 B.Add(result, TopoDS::Face(TheLast));
761 result.Closed(Standard_True);
762 BS.Add(solid,TopoDS::Shell(result));
764 BRepClass3d_SolidClassifier SC(solid);
765 SC.PerformInfinitePoint(Precision::Confusion());
766 if ( SC.State() == TopAbs_IN) {
768 TopoDS_Shape aLocalShape = result.Reversed();
769 BS.Add(solid,TopoDS::Shell(aLocalShape));
770 // BS.Add(solid,TopoDS::Shell(result.Reversed()));
779 //============================================================================
780 //function : FindEdge
781 //purpose : Find the number of edge corresponding to the edge of the profile.
782 //============================================================================
784 Standard_Integer BRepFill_Pipe::FindEdge(const TopoDS_Shape& S,
785 const TopoDS_Edge& E,
786 Standard_Integer& InitialLength) const
788 Standard_Integer result = 0;
790 switch (S.ShapeType()) {
795 if (S.IsSame(E)) result = InitialLength;
801 Standard_Integer ii = InitialLength+1;
802 Handle(BRepFill_ShapeLaw) Section =
803 new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
804 InitialLength += Section->NbLaw();
806 for (; (ii<=InitialLength) && (!result); ii++) {
807 if (E.IsSame(Section->Edge(ii)) ) result = ii;
814 case TopAbs_COMPOUND :
816 for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
817 result = FindEdge(it.Value(), E, InitialLength );
822 case TopAbs_COMPSOLID :
823 Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
832 //=======================================================================
833 //function : FindVertex
834 //purpose : Find the number of edge corresponding to an edge of the profile.
835 //=======================================================================
837 Standard_Integer BRepFill_Pipe::FindVertex(const TopoDS_Shape& S,
838 const TopoDS_Vertex& V,
839 Standard_Integer& InitialLength) const
841 Standard_Integer result = 0;
843 switch (S.ShapeType()) {
847 if (S.IsSame(V)) result = InitialLength;
853 TopoDS_Vertex VF, VL;
854 TopExp::Vertices(TopoDS::Edge(S), VF, VL);
855 if (S.Orientation() == TopAbs_REVERSED) {
857 aux = VF; VF = VL; VL = aux;
859 if (VF.IsSame(V)) result = InitialLength+1;
860 else if (VL.IsSame(V)) result = InitialLength+2;
867 Standard_Integer ii = InitialLength+1;
868 Handle(BRepFill_ShapeLaw) Section =
869 new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
870 InitialLength += Section->NbLaw()+1;
872 for (; (ii<=InitialLength) && (!result); ii++) {
873 if (V.IsSame(Section->Vertex(ii, 0.)) ) result = ii;
880 case TopAbs_COMPOUND :
882 for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
883 result = FindVertex(it.Value(), V, InitialLength);
888 case TopAbs_COMPSOLID :
889 Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
898 //=======================================================================
899 //function : DefineRealSegmax
900 //purpose : Defines the real number of segments
901 // required in the case of bspline spine
902 //=======================================================================
904 void BRepFill_Pipe::DefineRealSegmax()
906 Standard_Integer RealSegmax = 0;
908 TopoDS_Iterator iter(mySpine);
909 for (; iter.More(); iter.Next())
911 TopoDS_Edge E = TopoDS::Edge(iter.Value());
912 Standard_Real first, last;
913 Handle(Geom_Curve) C = BRep_Tool::Curve( E, first, last );
916 while (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve) ||
917 C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
919 if (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve))
920 C = Handle(Geom_TrimmedCurve)::DownCast (C)->BasisCurve();
921 if (C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
922 C = Handle(Geom_OffsetCurve)::DownCast (C)->BasisCurve();
924 if (C->DynamicType() == STANDARD_TYPE(Geom_BSplineCurve))
926 Handle(Geom_BSplineCurve) BC (Handle(Geom_BSplineCurve)::DownCast (C));
927 Standard_Integer NbKnots = BC->NbKnots();
928 Standard_Integer RealNbKnots = NbKnots;
929 if (first > BC->FirstParameter())
931 Standard_Integer I1, I2;
932 BC->LocateU( first, Precision::PConfusion(), I1, I2 );
935 if (last < BC->LastParameter())
937 Standard_Integer I1, I2;
938 BC->LocateU( last, Precision::PConfusion(), I1, I2 );
939 RealNbKnots -= NbKnots-I2;
941 RealSegmax += RealNbKnots-1;
945 if (mySegmax < RealSegmax)
946 mySegmax = RealSegmax;
949 //=======================================================================
950 //function : RebuildTopOrBottomFace
951 //purpose : Correct orientation of v-iso edges
952 // according to new 3d and 2d curves taken from swept surfaces
953 //=======================================================================
955 void BRepFill_Pipe::RebuildTopOrBottomFace(const TopoDS_Shape& aFace,
956 const Standard_Boolean IsTop) const
958 Standard_Integer IndexOfSection =
959 (IsTop)? 1 : mySections->RowLength();
963 TopoDS_Iterator itf(aFace);
964 for (; itf.More(); itf.Next())
966 TopoDS_Shape aWire = itf.Value();
967 TopTools_SequenceOfShape InitEdges;
968 TopTools_SequenceOfShape ResEdges;
969 TopoDS_Iterator itw(aWire);
970 for (; itw.More(); itw.Next())
972 TopoDS_Shape anEdge = itw.Value();
973 for (ii = myCurIndexOfSectionEdge; ii <= mySections->ColLength(); ii++)
975 TopoDS_Shape aVisoEdge = mySections->Value(ii, IndexOfSection);
976 if (anEdge.IsSame(aVisoEdge))
978 InitEdges.Append(anEdge);
979 ResEdges.Append(aVisoEdge);
984 aWire.Free(Standard_True);
985 for (ii = 1; ii <= InitEdges.Length(); ii++)
987 BB.Remove(aWire, InitEdges(ii));
988 UpdateTolFromTopOrBottomPCurve(TopoDS::Face(aFace), TopoDS::Edge(ResEdges(ii)));
989 BB.Add(aWire, ResEdges(ii));