1 // File: BRepAlgo_Loop.cxx
2 // Created: Fri Nov 10 16:25:22 1995
3 // Author: Yves FRICAUD
8 #include <BRepAlgo_Loop.ixx>
10 #include <BRep_Builder.hxx>
11 #include <BRepAlgo_FaceRestrictor.hxx>
12 #include <BRep_Tool.hxx>
14 #include <Geom2d_Curve.hxx>
15 #include <Geom_Surface.hxx>
17 #include <TopTools_SequenceOfShape.hxx>
18 #include <TopTools_MapOfShape.hxx>
19 #include <TopTools_ListIteratorOfListOfShape.hxx>
20 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
23 #include <TopoDS_Vertex.hxx>
24 #include <TopoDS_Wire.hxx>
26 #include <gp_Pnt2d.hxx>
27 #include <Precision.hxx>
28 #include <BRep_TVertex.hxx>
29 #include <BRep_TEdge.hxx>
30 #include <TopExp_Explorer.hxx>
31 #include <TopoDS_Iterator.hxx>
32 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
38 Standard_Boolean AffichLoop = Standard_False;
39 Standard_Integer NbLoops = 0;
40 Standard_Integer NbWires = 1;
41 static char* name = new char[100];
44 //=======================================================================
45 //function : BRepAlgo_Loop
47 //=======================================================================
49 BRepAlgo_Loop::BRepAlgo_Loop()
54 //=======================================================================
57 //=======================================================================
59 void BRepAlgo_Loop::Init(const TopoDS_Face& F)
70 //=======================================================================
72 //purpose : Orders the sequence of vertices by increasing parameter.
73 //=======================================================================
75 static void Bubble(const TopoDS_Edge& E,
76 TopTools_SequenceOfShape& Seq)
78 Standard_Boolean Invert = Standard_True;
79 Standard_Integer NbPoints = Seq.Length();
84 Invert = Standard_False;
85 for ( Standard_Integer i = 1; i < NbPoints; i++) {
86 TopoDS_Shape aLocalV = Seq.Value(i) .Oriented(TopAbs_INTERNAL);
87 V1 = TopoDS::Vertex(aLocalV);
88 aLocalV = Seq.Value(i+1).Oriented(TopAbs_INTERNAL);
89 V2 = TopoDS::Vertex(aLocalV);
90 // V1 = TopoDS::Vertex(Seq.Value(i) .Oriented(TopAbs_INTERNAL));
91 // V2 = TopoDS::Vertex(Seq.Value(i+1).Oriented(TopAbs_INTERNAL));
93 U1 = BRep_Tool::Parameter(V1,E);
94 U2 = BRep_Tool::Parameter(V2,E);
97 Invert = Standard_True;
105 //=======================================================================
106 //function : AddEdges
108 //=======================================================================
110 void BRepAlgo_Loop::AddEdge (TopoDS_Edge& E,
111 const TopTools_ListOfShape& LV)
113 myVerOnEdges.Bind(E,LV);
117 //=======================================================================
118 //function : AddConstEdges
120 //=======================================================================
122 void BRepAlgo_Loop::AddConstEdge (const TopoDS_Edge& E)
124 myConstEdges.Append(E);
127 //=======================================================================
128 //function : AddConstEdges
130 //=======================================================================
132 void BRepAlgo_Loop::AddConstEdges(const TopTools_ListOfShape& LE)
134 TopTools_ListIteratorOfListOfShape itl(LE);
135 for (; itl.More(); itl.Next()) {
136 myConstEdges.Append(itl.Value());
141 //=======================================================================
142 //function : UpdateClosedEdge
143 //purpose : If the first or the last vertex of intersection
144 // coincides with the closing vertex, it is removed from SV.
145 // it will be added at the beginning and the end of SV by the caller.
146 //=======================================================================
148 static TopoDS_Vertex UpdateClosedEdge(const TopoDS_Edge& E,
149 TopTools_SequenceOfShape& SV)
151 TopoDS_Vertex VB [2], V1, V2, VRes;
153 Standard_Boolean OnStart = 0, OnEnd = 0;
154 //// modified by jgv, 13.04.04 for OCC5634 ////
155 TopExp::Vertices (E,V1,V2);
156 //Standard_Real Tol = Precision::Confusion();
157 Standard_Real Tol = BRep_Tool::Tolerance( V1 );
158 ///////////////////////////////////////////////
160 if (SV.IsEmpty()) return VRes;
162 VB[0] = TopoDS::Vertex(SV.First());
163 VB[1] = TopoDS::Vertex(SV.Last ());
164 PC = BRep_Tool::Pnt(V1);
166 for ( Standard_Integer i = 0 ; i < 2 ; i++) {
167 P = BRep_Tool::Pnt(VB [i]);
168 if (P.IsEqual(PC,Tol)) {
170 if (i == 0) OnStart = Standard_True;
171 else OnEnd = Standard_True;
174 if (OnStart && OnEnd) {
175 if (!VB[0].IsSame(VB[1])) {
178 cout <<"Two different vertices on the closing vertex"<<endl;
183 if (!SV.IsEmpty()) SV.Remove(SV.Length());
186 else if (OnStart) SV.Remove(1);
187 else if (OnEnd ) SV.Remove(SV.Length());
194 //=======================================================================
195 //function : RemovePendingEdges
197 //=======================================================================
199 static void RemovePendingEdges(TopTools_DataMapOfShapeListOfShape& MVE)
201 //--------------------------------
202 // Remove hanging edges.
203 //--------------------------------
204 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit;
205 TopTools_ListOfShape ToRemove;
206 TopTools_ListIteratorOfListOfShape itl;
207 Standard_Boolean YaSupress = Standard_True;
211 YaSupress = Standard_False;
212 TopTools_ListOfShape VToRemove;
213 TopTools_MapOfShape EToRemove;
215 for (Mapit.Initialize(MVE); Mapit.More(); Mapit.Next()) {
217 if (Mapit.Value().IsEmpty()) {
218 VToRemove.Append(Mapit.Key());
220 if (Mapit.Value().Extent() == 1) {
221 const TopoDS_Edge& E = TopoDS::Edge(Mapit.Value().First());
222 TopExp::Vertices(E,V1,V2) ;
223 if (!V1.IsSame(V2)) {
224 VToRemove.Append(Mapit.Key());
225 EToRemove.Add(Mapit.Value().First());
230 if (!VToRemove.IsEmpty()) {
231 YaSupress = Standard_True;
232 for (itl.Initialize(VToRemove); itl.More(); itl.Next()) {
233 MVE.UnBind(itl.Value());
235 if (!EToRemove.IsEmpty()) {
236 for (Mapit.Initialize(MVE); Mapit.More(); Mapit.Next()) {
237 TopTools_ListOfShape& LE = MVE.ChangeFind(Mapit.Key());
240 if (EToRemove.Contains(itl.Value())) {
250 //=======================================================================
251 //function : SamePnt2d
253 //=======================================================================
255 static Standard_Boolean SamePnt2d(TopoDS_Vertex V,
260 Standard_Real f1,f2,l1,l2;
262 TopoDS_Shape aLocalF = F.Oriented(TopAbs_FORWARD);
263 TopoDS_Face FF = TopoDS::Face(aLocalF);
264 // TopoDS_Face FF = TopoDS::Face(F.Oriented(TopAbs_FORWARD));
265 Handle(Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E1,FF,f1,l1);
266 Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E2,FF,f2,l2);
267 if (E1.Orientation () == TopAbs_FORWARD) P1 = C1->Value(f1);
268 else P1 = C1->Value(l1);
270 if (E2.Orientation () == TopAbs_FORWARD) P2 = C2->Value(l2);
271 else P2 = C2->Value(f2);
272 Standard_Real Tol = 100*BRep_Tool::Tolerance(V);
273 Standard_Real Dist = P1.Distance(P2);
277 //=======================================================================
278 //function : SelectEdge
279 //purpose : Find edge <NE> connected to <CE> by vertex <CV> in the
280 // list <LE>. <NE> is removed from the list. If <CE> is
281 // also in the list <LE> with the same orientation, it is
282 // removed from the list.
283 //=======================================================================
285 static Standard_Boolean SelectEdge(const TopoDS_Face& F,
286 const TopoDS_Edge& CE,
287 const TopoDS_Vertex& CV,
289 TopTools_ListOfShape& LE)
291 TopTools_ListIteratorOfListOfShape itl;
295 if ( LE.Extent() > 2) {
296 cout <<"vertex on more than 2 edges in a face."<<endl;
300 for ( itl.Initialize(LE); itl.More(); itl.Next()) {
301 if (itl.Value().IsEqual(CE)) {
306 if (LE.Extent() > 1) {
307 //--------------------------------------------------------------
308 // Several edges possible.
309 // - Test edges different from CE , Selection of edge
310 // for which CV has U,V closer to the face
311 // than corresponding to CE.
312 // - If several edges give representation less than the tolerance.
313 // discrimination on tangents.
314 //--------------------------------------------------------------
317 TopoDS_Face FForward = F;
318 FForward.Orientation(TopAbs_FORWARD);
320 Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(CE,FForward,f,l);
321 Standard_Integer k = 1, kmin = 0;
322 Standard_Real dist,distmin = 100*BRep_Tool::Tolerance(CV);
324 if (CE.Orientation () == TopAbs_FORWARD) u = l;
327 gp_Pnt2d P2,PV = C->Value(u);
329 for ( itl.Initialize(LE); itl.More(); itl.Next()) {
330 const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
332 C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
333 if (E.Orientation () == TopAbs_FORWARD) u = f;
336 dist = PV.Distance(P2);
337 if ( dist <= distmin) {
344 if (kmin == 0) return Standard_False;
346 k = 1; itl.Initialize(LE);
347 while (k < kmin) {k++; itl.Next();}
348 NE = TopoDS::Edge(itl.Value());
351 else if (LE.Extent() == 1) {
352 NE = TopoDS::Edge(LE.First());
356 return Standard_False;
360 DBRep::Set("Selected",NE);
364 return Standard_True;
366 //=======================================================================
369 //=======================================================================
371 static void PurgeNewEdges(TopTools_DataMapOfShapeListOfShape& NewEdges,
372 const TopTools_MapOfShape& UsedEdges)
374 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape it(NewEdges);
375 for (; it.More(); it.Next()) {
376 TopTools_ListOfShape& LNE = NewEdges.ChangeFind(it.Key());
377 TopTools_ListIteratorOfListOfShape itL(LNE);
379 const TopoDS_Shape& NE = itL.Value();
380 if (!UsedEdges.Contains(NE)) {
391 //=======================================================================
394 //=======================================================================
396 static void StoreInMVE (const TopoDS_Face& F,
398 TopTools_DataMapOfShapeListOfShape& MVE,
399 Standard_Boolean& YaCouture,
400 TopTools_DataMapOfShapeShape& VerticesForSubstitute )
402 TopoDS_Vertex V1, V2, V;
403 TopTools_ListOfShape Empty;
405 Standard_Real Tol = 0.001; //5.e-05; //5.e-07;
408 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit;
410 for (Mapit.Initialize( MVE ); Mapit.More(); Mapit.Next())
412 V = TopoDS::Vertex( Mapit.Key() );
413 P = BRep_Tool::Pnt( V );
414 TopTools_ListOfShape VList;
415 TopoDS_Iterator VerExp( E );
416 for (; VerExp.More(); VerExp.Next())
417 VList.Append( VerExp.Value() );
418 TopTools_ListIteratorOfListOfShape itl( VList );
419 for (; itl.More(); itl.Next())
421 V1 = TopoDS::Vertex( itl.Value() );
422 P1 = BRep_Tool::Pnt( V1 );
423 if (P.IsEqual( P1, Tol ) && !V.IsSame(V1))
425 V.Orientation( V1.Orientation() );
426 if (VerticesForSubstitute.IsBound( V1 ))
428 TopoDS_Shape OldNewV = VerticesForSubstitute( V1 );
429 if (! OldNewV.IsSame( V ))
431 VerticesForSubstitute.Bind( OldNewV, V );
432 VerticesForSubstitute( V1 ) = V;
437 if (VerticesForSubstitute.IsBound( V ))
439 TopoDS_Shape NewNewV = VerticesForSubstitute( V );
440 if (! NewNewV.IsSame( V1 ))
441 VerticesForSubstitute.Bind( V1, NewNewV );
445 VerticesForSubstitute.Bind( V1, V );
446 TopTools_DataMapIteratorOfDataMapOfShapeShape mapit( VerticesForSubstitute );
447 for (; mapit.More(); mapit.Next())
448 if (mapit.Value().IsSame( V1 ))
449 VerticesForSubstitute( mapit.Key() ) = V;
452 E.Free( Standard_True );
459 TopExp::Vertices(E,V1,V2);
460 if( V1.IsNull() && V2.IsNull() ){ YaCouture = Standard_False; return; }
461 if (!MVE.IsBound(V1)) {
465 if (!V1.IsSame(V2)) {
466 if (!MVE.IsBound(V2)) {
472 Handle(Geom_Surface) S = BRep_Tool::Surface(F,L);
473 if (BRep_Tool::IsClosed(E,S,L)) {
474 MVE(V2).Append(E.Reversed());
475 if (!V1.IsSame(V2)) {
476 MVE(V1).Append(E.Reversed());
478 YaCouture = Standard_True;
482 //=======================================================================
485 //=======================================================================
487 void BRepAlgo_Loop::Perform()
489 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit;
490 TopTools_ListIteratorOfListOfShape itl;
492 Standard_Boolean YaCouture = Standard_False;
496 cout <<"NewLoop"<<endl;
497 Standard_Integer NbEdges = 1;
500 sprintf(name,"FLoop_%d",NbLoops);
501 DBRep::Set(name,myFace);
503 for (Mapit.Initialize(myVerOnEdges); Mapit.More(); Mapit.Next()) {
504 const TopoDS_Edge& E = TopoDS::Edge(Mapit.Key());
506 sprintf(name,"EEE_%d_%d",NbLoops,NbEdges++);
510 for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) {
511 const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
513 sprintf(name,"EEE_%d_%d",NbLoops,NbEdges++);
520 //------------------------------------------------
522 //------------------------------------------------
523 for (Mapit.Initialize(myVerOnEdges); Mapit.More(); Mapit.Next()) {
524 TopTools_ListOfShape LCE;
526 CutEdge (TopoDS::Edge(Mapit.Key()),Mapit.Value(), LCE);
528 myNewEdges.Bind(Mapit.Key(),LCE);
530 //-----------------------------------
531 // Construction map vertex => edges
532 //-----------------------------------
533 TopTools_DataMapOfShapeListOfShape MVE;
536 for (Mapit.Initialize(myNewEdges); Mapit.More(); Mapit.Next()) {
537 for (itl.Initialize(myNewEdges(Mapit.Key())); itl.More(); itl.Next()) {
538 TopoDS_Edge& E = TopoDS::Edge(itl.Value());
539 StoreInMVE(myFace,E,MVE,YaCouture,myVerticesForSubstitute);
544 // Sewn edges can be doubled or not in myConstEdges
545 // => call only once StoreInMVE which should double them
546 TopTools_MapOfShape DejaVu;
547 for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) {
548 TopoDS_Edge& E = TopoDS::Edge(itl.Value());
550 StoreInMVE(myFace,E,MVE,YaCouture,myVerticesForSubstitute);
555 cout <<"NewLoop"<<endl;
556 Standard_Integer NbEdges = 1;
557 TopTools_MapOfShape Done;
558 for (Mapit.Initialize(MVE); Mapit.More();Mapit.Next()) {
559 for (itl.Initialize(Mapit.Value()); itl.More(); itl.Next()) {
560 TopoDS_Edge& E = TopoDS::Edge(itl.Value());
562 sprintf(name,"EEC_%d_%d",NbLoops,NbEdges++);
570 //-----------------------------------------------
571 // Construction of wires and new faces.
572 //----------------------------------------------
573 TopoDS_Vertex VF,VL,CV;
574 TopoDS_Edge CE,NE,EF;
577 Standard_Boolean End;
579 TopTools_MapOfShape UsedEdges;
581 while (!MVE.IsEmpty()) {
583 //--------------------------------
584 // Removal of hanging edges.
585 //--------------------------------
586 RemovePendingEdges(MVE);
588 if (MVE.IsEmpty()) break;
589 //--------------------------------
591 //--------------------------------
592 Mapit.Initialize(MVE);
593 EF = CE = TopoDS::Edge(Mapit.Value().First());
594 TopExp::Vertices(CE,V1,V2);
595 //--------------------------------
596 // VF vertex start of new wire
597 //--------------------------------
598 if (CE.Orientation() == TopAbs_FORWARD) { CV = VF = V1;}
599 else { CV = VF = V2;}
600 if (!MVE.IsBound(CV)) continue;
601 for ( itl.Initialize(MVE(CV)); itl.More(); itl.Next()) {
602 if (itl.Value().IsEqual(CE)) {
607 End = Standard_False;
610 //-------------------------------
611 // Construction of a wire.
612 //-------------------------------
613 TopExp::Vertices(CE,V1,V2);
614 if (!CV.IsSame(V1)) CV = V1; else CV = V2;
619 if (!MVE.IsBound(CV) || MVE(CV).IsEmpty()) {
623 End = !SelectEdge(myFace,CE,CV,NE,MVE(CV));
626 if (MVE(CV).IsEmpty()) MVE.UnBind(CV);
630 //--------------------------------------------------
631 // Add new wire to the set of wires
632 //------------------------------------------------
633 Standard_Real Tol = 0.001; //5.e-05; //5.e-07;
634 TopExp_Explorer explo( NW, TopAbs_VERTEX );
635 for (; explo.More(); explo.Next())
637 const TopoDS_Vertex& aV = TopoDS::Vertex( explo.Current() );
638 Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*) &(aV).TShape());
639 TV->Tolerance( Tol );
640 TV->Modified( Standard_True );
642 for (explo.Init( NW, TopAbs_EDGE ); explo.More(); explo.Next())
644 const TopoDS_Edge& aE = TopoDS::Edge( explo.Current() );
645 Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &(aE).TShape());
646 TE->Tolerance( Tol );
647 TE->Modified( Standard_True );
650 if (VF.IsSame(CV) && SamePnt2d(VF,EF,CE,myFace))
651 myNewWires.Append (NW);
654 cout <<"BRepAlgo_Loop: Open Wire"<<endl;
656 cout << "OpenWire is : NW_"<<NbLoops<<"_"<<NbWires<<endl;
661 sprintf(name,"NW_%d_%d",NbLoops,NbWires++);
667 PurgeNewEdges(myNewEdges,UsedEdges);
670 //=======================================================================
671 //function : CutEdges
673 //=======================================================================
675 void BRepAlgo_Loop::CutEdge (const TopoDS_Edge& E,
676 const TopTools_ListOfShape& VOnE,
677 TopTools_ListOfShape& NE ) const
679 TopoDS_Shape aLocalE = E.Oriented(TopAbs_FORWARD);
680 TopoDS_Edge WE = TopoDS::Edge(aLocalE);
681 // TopoDS_Edge WE = TopoDS::Edge(E.Oriented(TopAbs_FORWARD));
685 TopTools_SequenceOfShape SV;
686 TopTools_ListIteratorOfListOfShape it(VOnE);
689 for ( ; it.More(); it.Next()) {
690 SV.Append(it.Value());
692 //--------------------------------
693 // Parse vertices on the edge.
694 //--------------------------------
697 Standard_Integer NbVer = SV.Length();
698 //----------------------------------------------------------------
699 // Construction of new edges.
700 // Note : vertices at the extremities of edges are not
701 // onligatorily in the list of vertices
702 //----------------------------------------------------------------
709 BRep_Tool::Range(WE,f,l);
710 TopExp::Vertices(WE,VF,VL);
713 if (SV(1).IsEqual(VF) && SV(2).IsEqual(VL)) {
717 DBRep::Set("ECOpied",E);
723 //----------------------------------------------------
724 // Processing of closed edges
725 // If a vertex of intersection is on the common vertex
726 // it should appear at the beginning and end of SV.
727 //----------------------------------------------------
729 if (!VF.IsNull() && VF.IsSame(VL)) {
730 VCEI = UpdateClosedEdge(WE,SV);
731 if (!VCEI.IsNull()) {
732 TopoDS_Shape aLocalV = VCEI.Oriented(TopAbs_FORWARD);
733 VF = TopoDS::Vertex(aLocalV);
734 aLocalV = VCEI.Oriented(TopAbs_REVERSED);
735 VL = TopoDS::Vertex(aLocalV);
736 // VF = TopoDS::Vertex(VCEI.Oriented(TopAbs_FORWARD));
737 // VL = TopoDS::Vertex(VCEI.Oriented(TopAbs_REVERSED));
743 //-----------------------------------------
744 // Eventually all extremities of the edge.
745 //-----------------------------------------
746 if (!VF.IsNull() && !VF.IsSame(SV.First())) SV.Prepend(VF);
747 if (!VL.IsNull() && !VL.IsSame(SV.Last ())) SV.Append (VL);
750 while (!SV.IsEmpty()) {
751 while (!SV.IsEmpty() &&
752 SV.First().Orientation() != TopAbs_FORWARD) {
757 V1 = TopoDS::Vertex(SV.First());
761 if (SV.First().Orientation() == TopAbs_REVERSED) {
762 V2 = TopoDS::Vertex(SV.First());
764 //-------------------------------------------
765 // Copy the edge and restriction by V1 V2.
766 //-------------------------------------------
767 TopoDS_Shape NewEdge = WE.EmptyCopied();
768 TopoDS_Shape aLocalEdge = V1.Oriented(TopAbs_FORWARD);
769 B.Add (NewEdge,aLocalEdge);
770 aLocalEdge = V2.Oriented(TopAbs_REVERSED);
771 B.Add (TopoDS::Edge(NewEdge),aLocalEdge);
772 // B.Add (NewEdge,V1.Oriented(TopAbs_FORWARD));
773 // B.Add (NewEdge,V2.Oriented(TopAbs_REVERSED));
777 // U1=BRep_Tool::Parameter
778 // (TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),WE);
780 TopoDS_Shape aLocalV = V1.Oriented(TopAbs_INTERNAL);
781 U1=BRep_Tool::Parameter(TopoDS::Vertex(aLocalV),WE);
787 TopoDS_Shape aLocalV = V2.Oriented(TopAbs_INTERNAL);
788 U2=BRep_Tool::Parameter(TopoDS::Vertex(aLocalV),WE);
789 // U2=BRep_Tool::Parameter
790 // (TopoDS::Vertex(V2.Oriented(TopAbs_INTERNAL)),WE);
792 B.Range (TopoDS::Edge(NewEdge),U1,U2);
795 DBRep::Set("Cut",NewEdge);
798 NE.Append(NewEdge.Oriented(E.Orientation()));
802 //Remove edges with size <= tolerance
803 Standard_Real Tol = 0.001; //5.e-05; //5.e-07;
807 // skl : I change "E" to "EE"
808 TopoDS_Edge EE = TopoDS::Edge( it.Value() );
809 Standard_Real fpar, lpar;
810 BRep_Tool::Range( EE, fpar, lpar );
811 if (lpar - fpar <= Precision::Confusion())
816 BRep_Tool::UVPoints( EE, myFace, pf, pl );
817 if (pf.Distance(pl) <= Tol && !EE.Closed())
825 //=======================================================================
826 //function : NewWires
828 //=======================================================================
830 const TopTools_ListOfShape& BRepAlgo_Loop::NewWires() const
835 //=======================================================================
836 //function : NewFaces
838 //=======================================================================
840 const TopTools_ListOfShape& BRepAlgo_Loop::NewFaces() const
845 //=======================================================================
846 //function : WiresToFaces
848 //=======================================================================
850 void BRepAlgo_Loop::WiresToFaces()
852 if (!myNewWires.IsEmpty()) {
853 BRepAlgo_FaceRestrictor FR;
854 TopoDS_Shape aLocalS = myFace.Oriented(TopAbs_FORWARD);
855 FR.Init (TopoDS::Face(aLocalS),Standard_False);
856 // FR.Init (TopoDS::Face(myFace.Oriented(TopAbs_FORWARD)),
858 TopTools_ListIteratorOfListOfShape it(myNewWires);
859 for (; it.More(); it.Next()) {
860 FR.Add(TopoDS::Wire(it.Value()));
866 TopAbs_Orientation OriF = myFace.Orientation();
867 for (; FR.More(); FR.Next()) {
868 myNewFaces.Append(FR.Current().Oriented(OriF));
875 //=======================================================================
876 //function : NewEdges
878 //=======================================================================
880 const TopTools_ListOfShape& BRepAlgo_Loop::NewEdges(const TopoDS_Edge& E) const
882 return myNewEdges(E);
885 //=======================================================================
886 //function : GetVerticesForSubstitute
888 //=======================================================================
890 void BRepAlgo_Loop::GetVerticesForSubstitute( TopTools_DataMapOfShapeShape& VerVerMap ) const
892 VerVerMap = myVerticesForSubstitute;
894 //=======================================================================
895 //function : VerticesForSubstitute
897 //=======================================================================
899 void BRepAlgo_Loop::VerticesForSubstitute( TopTools_DataMapOfShapeShape& VerVerMap )
901 myVerticesForSubstitute = VerVerMap;