1 // Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <GEOMImpl_ShapeDriver.hxx>
25 #include <GEOMImpl_IIsoline.hxx>
26 #include <GEOMImpl_IShapes.hxx>
27 #include <GEOMImpl_IVector.hxx>
28 #include <GEOMImpl_Types.hxx>
29 #include <GEOMImpl_Block6Explorer.hxx>
31 #include <GEOM_Function.hxx>
32 #include <GEOMUtils_Hatcher.hxx>
35 #include <ShapeFix_Wire.hxx>
36 #include <ShapeFix_Edge.hxx>
37 #include <ShapeFix_Shape.hxx>
39 #include <BRep_Builder.hxx>
40 #include <BRep_Tool.hxx>
41 #include <BRepAdaptor_Curve.hxx>
42 #include <BRepAlgo_FaceRestrictor.hxx>
43 #include <BRepBuilderAPI_Copy.hxx>
44 #include <BRepBuilderAPI_Sewing.hxx>
45 #include <BRepBuilderAPI_MakeWire.hxx>
46 #include <BRepBuilderAPI_MakeEdge.hxx>
47 #include <BRepBuilderAPI_MakeSolid.hxx>
48 #include <BRepCheck.hxx>
49 #include <BRepCheck_Analyzer.hxx>
50 #include <BRepCheck_Shell.hxx>
51 #include <BRepClass3d_SolidClassifier.hxx>
52 #include <BRepLib.hxx>
53 #include <BRepLib_MakeEdge.hxx>
54 #include <BRepTools_WireExplorer.hxx>
56 #include <ShapeAnalysis.hxx>
57 #include <ShapeAnalysis_FreeBounds.hxx>
61 #include <TopExp_Explorer.hxx>
63 #include <TopoDS_Shape.hxx>
64 #include <TopoDS_Edge.hxx>
65 #include <TopoDS_Wire.hxx>
66 #include <TopoDS_Shell.hxx>
67 #include <TopoDS_Solid.hxx>
68 #include <TopoDS_Compound.hxx>
69 #include <TopoDS_Iterator.hxx>
71 #include <TopTools_MapOfShape.hxx>
72 #include <TopTools_HSequenceOfShape.hxx>
76 #include <GCPnts_AbscissaPoint.hxx>
78 #include <Geom_TrimmedCurve.hxx>
79 #include <Geom_Surface.hxx>
80 #include <GeomAbs_CurveType.hxx>
81 #include <GeomConvert_CompCurveToBSplineCurve.hxx>
82 #include <GeomConvert.hxx>
83 #include <GeomLProp.hxx>
85 #include <TColStd_SequenceOfReal.hxx>
86 #include <TColStd_HSequenceOfTransient.hxx>
87 #include <TColStd_Array1OfReal.hxx>
88 #include <TColGeom_SequenceOfCurve.hxx>
89 #include <TColGeom_Array1OfBSplineCurve.hxx>
90 #include <TColGeom_HArray1OfBSplineCurve.hxx>
92 #include <Precision.hxx>
94 #include <Standard_NullObject.hxx>
95 #include <Standard_TypeMismatch.hxx>
96 #include <Standard_ConstructionError.hxx>
98 //modified by NIZNHY-PKV Wed Dec 28 13:48:20 2011f
100 // void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
101 // const Handle(TopTools_HSequenceOfShape)& aWires);
102 //modified by NIZNHY-PKV Wed Dec 28 13:48:23 2011t
104 //=======================================================================
107 //=======================================================================
108 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
110 static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
115 //=======================================================================
116 //function : GEOMImpl_ShapeDriver
118 //=======================================================================
119 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
123 //=======================================================================
126 //=======================================================================
127 Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
129 if (Label().IsNull()) return 0;
130 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
132 GEOMImpl_IShapes aCI (aFunction);
133 Standard_Integer aType = aFunction->GetType();
136 TCollection_AsciiString aWarning;
137 TopAbs_ShapeEnum anExpectedType = TopAbs_SHAPE;
141 if (aType == WIRE_EDGES) {
142 anExpectedType = TopAbs_WIRE;
144 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
146 Standard_Real aTolerance = aCI.GetTolerance();
147 if (aTolerance < Precision::Confusion())
148 aTolerance = Precision::Confusion();
150 aShape = MakeWireFromEdges(aShapes, aTolerance);
152 else if (aType == FACE_WIRE) {
153 anExpectedType = TopAbs_FACE;
155 Handle(GEOM_Function) aRefBase = aCI.GetBase();
156 TopoDS_Shape aShapeBase = aRefBase->GetValue();
157 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
159 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
160 W = TopoDS::Wire(aShapeBase);
161 // check the wire is closed
162 TopoDS_Vertex aV1, aV2;
163 TopExp::Vertices(W, aV1, aV2);
164 if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
165 aShapeBase.Closed(true);
167 Standard_NullObject::Raise
168 ("Shape for face construction is not closed");
170 else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
171 BRepBuilderAPI_MakeWire MW;
172 MW.Add(TopoDS::Edge(aShapeBase));
174 Standard_ConstructionError::Raise("Wire construction failed");
179 Standard_NullObject::Raise
180 ("Shape for face construction is neither a wire nor a closed edge");
182 aWarning = GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
183 if (aShape.IsNull()) {
184 Standard_ConstructionError::Raise("Face construction failed");
187 else if (aType == FACE_WIRES) {
188 anExpectedType = TopAbs_FACE;
190 // Try to build a face from a set of wires and edges
193 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
194 int nbshapes = aShapes->Length();
196 Standard_ConstructionError::Raise("No wires or edges given");
199 // 1. Extract all edges from the given arguments
200 TopTools_MapOfShape aMapEdges;
201 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
203 for (ind = 1; ind <= nbshapes; ind++) {
204 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
205 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
207 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
208 for (; anExpE_i.More(); anExpE_i.Next()) {
209 if (aMapEdges.Add(anExpE_i.Current())) {
210 aSeqEdgesIn->Append(anExpE_i.Current());
215 if (aSeqEdgesIn->IsEmpty()) {
216 Standard_ConstructionError::Raise("No edges given");
219 // 2. Connect edges to wires of maximum length
220 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
221 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
222 /*shared*/Standard_False, aSeqWiresOut);
223 //modified by NIZNHY-PKV Wed Dec 28 13:46:55 2011f
224 //KeepEdgesOrder(aSeqEdgesIn, aSeqWiresOut);
225 //modified by NIZNHY-PKV Wed Dec 28 13:46:59 2011t
227 // 3. Separate closed wires
228 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
229 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
230 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
231 if (aSeqWiresOut->Value(ind).Closed())
232 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
234 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
237 if (aSeqClosedWires->Length() < 1) {
238 Standard_ConstructionError::Raise
239 ("There is no closed contour can be built from the given arguments");
242 // 4. Build a face / list of faces from all the obtained closed wires
246 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
247 aWarning = GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
248 if (aFFace.IsNull()) {
249 Standard_ConstructionError::Raise("Face construction failed");
252 // 4.b. Add other wires
253 if (aSeqClosedWires->Length() == 1) {
258 BRep_Builder aBuilder;
259 aBuilder.MakeCompound(C);
260 BRepAlgo_FaceRestrictor FR;
262 TopAbs_Orientation OriF = aFFace.Orientation();
263 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
264 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
266 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
267 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
276 for (; FR.More(); FR.Next()) {
277 aFace = FR.Current().Oriented(OriF);
278 aBuilder.Add(C, aFace);
289 // 5. Add all open wires to the result
290 if (aSeqOpenWires->Length() > 0) {
291 //Standard_ConstructionError::Raise("There are some open wires");
293 BRep_Builder aBuilder;
294 if (aSeqClosedWires->Length() == 1) {
295 aBuilder.MakeCompound(C);
296 aBuilder.Add(C, aShape);
299 C = TopoDS::Compound(aShape);
302 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
303 aBuilder.Add(C, aSeqOpenWires->Value(ind));
309 else if (aType == SHELL_FACES) {
310 anExpectedType = TopAbs_SHELL;
312 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
313 unsigned int ind, nbshapes = aShapes->Length();
316 BRepBuilderAPI_Sewing aSewing (Precision::Confusion()*10.0);
317 for (ind = 1; ind <= nbshapes; ind++) {
318 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
319 TopoDS_Shape aShape_i = aRefShape->GetValue();
320 if (aShape_i.IsNull()) {
321 Standard_NullObject::Raise("Face for shell construction is null");
323 aSewing.Add(aShape_i);
328 TopoDS_Shape sh = aSewing.SewedShape();
330 if (sh.ShapeType()==TopAbs_FACE && nbshapes==1) {
331 // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
338 //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
339 TopExp_Explorer exp (sh, TopAbs_SHELL);
340 Standard_Integer ish = 0;
341 for (; exp.More(); exp.Next()) {
342 aShape = exp.Current();
347 // try the case of one face (Mantis issue 0021809)
348 TopExp_Explorer expF (sh, TopAbs_FACE);
349 Standard_Integer ifa = 0;
350 for (; expF.More(); expF.Next()) {
351 aShape = expF.Current();
362 aShape = aSewing.SewedShape();
368 else if (aType == SOLID_SHELLS) {
369 anExpectedType = TopAbs_SOLID;
371 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
372 unsigned int ind, nbshapes = aShapes->Length();
373 Standard_Integer ish = 0;
374 BRepBuilderAPI_MakeSolid aMkSolid;
377 for (ind = 1; ind <= nbshapes; ind++) {
378 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
379 TopoDS_Shape aShapeShell = aRefShape->GetValue();
380 if (aShapeShell.IsNull()) {
381 Standard_NullObject::Raise("Shell for solid construction is null");
383 if (aShapeShell.ShapeType() == TopAbs_COMPOUND) {
384 TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
385 if (It.More()) aShapeShell = It.Value();
387 if (aShapeShell.ShapeType() == TopAbs_SHELL) {
388 aMkSolid.Add(TopoDS::Shell(aShapeShell));
392 if (ish == 0 || !aMkSolid.IsDone()) return 0;
394 TopoDS_Solid Sol = aMkSolid.Solid();
395 BRepClass3d_SolidClassifier SC (Sol);
396 SC.PerformInfinitePoint(Precision::Confusion());
397 if (SC.State() == TopAbs_IN)
398 aShape = Sol.Reversed();
402 else if (aType == COMPOUND_SHAPES) {
403 anExpectedType = TopAbs_COMPOUND;
405 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
406 unsigned int ind, nbshapes = aShapes->Length();
411 for (ind = 1; ind <= nbshapes; ind++) {
412 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
413 TopoDS_Shape aShape_i = aRefShape->GetValue();
414 if (aShape_i.IsNull()) {
415 Standard_NullObject::Raise("Shape for compound construction is null");
423 else if (aType == EDGE_WIRE) {
424 anExpectedType = TopAbs_EDGE;
426 Handle(GEOM_Function) aRefBase = aCI.GetBase();
427 TopoDS_Shape aWire = aRefBase->GetValue();
428 Standard_Real LinTol = aCI.GetTolerance();
429 Standard_Real AngTol = aCI.GetAngularTolerance();
430 if (aWire.IsNull()) Standard_NullObject::Raise("Argument Wire is null");
432 aShape = MakeEdgeFromWire(aWire, LinTol, AngTol);
434 else if (aType == EDGE_CURVE_LENGTH) {
435 anExpectedType = TopAbs_EDGE;
437 GEOMImpl_IVector aVI (aFunction);
440 Handle(GEOM_Function) aRefCurve = aVI.GetPoint1();
441 if (aRefCurve.IsNull()) Standard_NullObject::Raise("Argument Curve is null");
442 TopoDS_Shape aRefShape1 = aRefCurve->GetValue();
443 if (aRefShape1.ShapeType() != TopAbs_EDGE) {
444 Standard_TypeMismatch::Raise
445 ("Edge On Curve creation aborted : curve shape is not an edge");
447 TopoDS_Edge aRefEdge = TopoDS::Edge(aRefShape1);
448 TopoDS_Vertex V1, V2;
449 TopExp::Vertices(aRefEdge, V1, V2, Standard_True);
452 TopoDS_Vertex aRefVertex;
453 Handle(GEOM_Function) aRefPoint = aVI.GetPoint2();
454 if (aRefPoint.IsNull()) {
458 TopoDS_Shape aRefShape2 = aRefPoint->GetValue();
459 if (aRefShape2.ShapeType() != TopAbs_VERTEX) {
460 Standard_TypeMismatch::Raise
461 ("Edge On Curve creation aborted : start point shape is not a vertex");
463 aRefVertex = TopoDS::Vertex(aRefShape2);
465 gp_Pnt aRefPnt = BRep_Tool::Pnt(aRefVertex);
468 Standard_Real aLength = aVI.GetParameter();
469 //Standard_Real aCurveLength = IntTools::Length(aRefEdge);
470 //if (aLength > aCurveLength) {
471 // Standard_ConstructionError::Raise
472 // ("Edge On Curve creation aborted : given length is greater than edges length");
474 if (fabs(aLength) < Precision::Confusion()) {
475 Standard_ConstructionError::Raise
476 ("Edge On Curve creation aborted : given length is smaller than Precision::Confusion()");
480 Standard_Real UFirst, ULast;
481 Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(aRefEdge, UFirst, ULast);
482 Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;
484 Standard_Real dU = ULast - UFirst;
485 Standard_Real par1 = UFirst + 0.1 * dU;
486 Standard_Real par2 = ULast - 0.1 * dU;
488 gp_Pnt P1 = EdgeCurve->Value(par1);
489 gp_Pnt P2 = EdgeCurve->Value(par2);
491 if (aRefPnt.SquareDistance(P2) < aRefPnt.SquareDistance(P1)) {
492 ReOrientedCurve = EdgeCurve->Reversed();
493 UFirst = EdgeCurve->ReversedParameter(ULast);
496 // Get the point by length
497 GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
498 GCPnts_AbscissaPoint anAbsPnt (AdapCurve, aLength, UFirst);
499 Standard_Real aParam = anAbsPnt.Parameter();
501 if (AdapCurve.IsClosed() && aLength < 0.0) {
502 Standard_Real aTmp = aParam;
507 BRepBuilderAPI_MakeEdge aME (ReOrientedCurve, UFirst, aParam);
509 aShape = aME.Shape();
510 } else if (aType == SHAPE_ISOLINE) {
511 GEOMImpl_IIsoline aII (aFunction);
512 Handle(GEOM_Function) aRefFace = aII.GetFace();
513 TopoDS_Shape aShapeFace = aRefFace->GetValue();
515 if (aShapeFace.ShapeType() == TopAbs_FACE) {
516 TopoDS_Face aFace = TopoDS::Face(aShapeFace);
517 bool isUIso = aII.GetIsUIso();
518 Standard_Real aParam = aII.GetParameter();
519 Standard_Real U1,U2,V1,V2;
521 // Construct a real geometric parameter.
522 aFace.Orientation(TopAbs_FORWARD);
523 ShapeAnalysis::GetFaceUVBounds(aFace,U1,U2,V1,V2);
526 aParam = U1 + (U2 - U1)*aParam;
528 aParam = V1 + (V2 - V1)*aParam;
531 aShape = MakeIsoline(aFace, isUIso, aParam);
533 Standard_NullObject::Raise
534 ("Shape for isoline construction is not a face");
540 if (aShape.IsNull()) return 0;
542 // Check shape validity
543 BRepCheck_Analyzer ana (aShape, false);
544 if (!ana.IsValid()) {
545 //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
546 // For Mantis issue 0021772: EDF 2336 GEOM: Non valid face created from two circles
547 Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape (aShape);
549 aShape = aSfs->Shape();
552 // Check if the result shape type is compatible with the expected.
553 const TopAbs_ShapeEnum aShType = aShape.ShapeType();
555 if (anExpectedType != TopAbs_SHAPE && anExpectedType != aShType) {
556 Standard_ConstructionError::Raise("Result type check failed");
559 aFunction->SetValue(aShape);
561 log.SetTouched(Label());
563 if (!aWarning.IsEmpty())
564 Standard_Failure::Raise(aWarning.ToCString());
569 TopoDS_Wire GEOMImpl_ShapeDriver::MakeWireFromEdges(const Handle(TColStd_HSequenceOfTransient)& theEdgesFuncs,
570 const Standard_Real theTolerance)
578 for (unsigned int ind = 1; ind <= theEdgesFuncs->Length(); ind++) {
579 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(theEdgesFuncs->Value(ind));
580 TopoDS_Shape aShape_i = aRefShape->GetValue();
581 if (aShape_i.IsNull()) {
582 Standard_NullObject::Raise("Shape for wire construction is null");
584 if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
585 TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
586 for (; exp.More(); exp.Next())
587 B.Add(aWire, TopoDS::Edge(exp.Current()));
589 Standard_TypeMismatch::Raise
590 ("Shape for wire construction is neither an edge nor a wire");
595 Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
599 if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
600 Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
602 else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
603 Standard_ConstructionError::Raise("Wire construction failed");
608 // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
609 aFW->ClosedWireMode() = Standard_False;
610 aFW->FixConnected(theTolerance);
611 if (aFW->StatusConnected(ShapeExtend_FAIL)) {
612 Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
615 if (aFW->StatusConnected(ShapeExtend_DONE3)) {
616 // Confused with <prec> but not Analyzer.Precision(), set the same
617 aFW->FixGapsByRangesMode() = Standard_True;
618 if (aFW->FixGaps3d()) {
619 Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
620 Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
621 for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
622 TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
623 aFe->FixVertexTolerance(aEdge);
624 aFe->FixSameParameter(aEdge);
627 else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
628 Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
631 aWire = aFW->WireAPIMake();
636 TopoDS_Edge GEOMImpl_ShapeDriver::MakeEdgeFromWire(const TopoDS_Shape& aWire,
637 const Standard_Real LinTol,
638 const Standard_Real AngTol)
642 BRepLib::BuildCurves3d(aWire);
643 Handle(ShapeFix_Shape) Fixer = new ShapeFix_Shape(aWire);
644 Fixer->SetPrecision(LinTol);
645 Fixer->SetMaxTolerance(LinTol);
647 TopoDS_Wire theWire = TopoDS::Wire(Fixer->Shape());
649 TColGeom_SequenceOfCurve CurveSeq;
650 TopTools_SequenceOfShape LocSeq;
651 TColStd_SequenceOfReal FparSeq;
652 TColStd_SequenceOfReal LparSeq;
653 TColStd_SequenceOfReal TolSeq;
654 GeomAbs_CurveType CurType;
655 TopoDS_Vertex FirstVertex, LastVertex;
656 Standard_Real aPntShiftDist = 0.;
658 BRepTools_WireExplorer wexp(theWire) ;
659 for (; wexp.More(); wexp.Next())
661 TopoDS_Edge anEdge = wexp.Current();
662 Standard_Real fpar, lpar;
663 TopLoc_Location aLoc;
664 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aLoc, fpar, lpar);
668 BRepAdaptor_Curve BAcurve(anEdge);
669 GeomAbs_CurveType aType = BAcurve.GetType();
671 Handle(Geom_Curve) aBasisCurve = BAcurve.Curve().Curve();
673 if (aBasisCurve->IsPeriodic())
674 ElCLib::AdjustPeriodic(aBasisCurve->FirstParameter(), aBasisCurve->LastParameter(),
675 Precision::PConfusion(), fpar, lpar);
677 if (CurveSeq.IsEmpty())
679 CurveSeq.Append(aCurve);
680 TopoDS_Shape aLocShape;
681 aLocShape.Location(aLoc);
682 aLocShape.Orientation(wexp.Orientation());
683 LocSeq.Append(aLocShape);
684 FparSeq.Append(fpar);
685 LparSeq.Append(lpar);
687 FirstVertex = wexp.CurrentVertex();
691 Standard_Boolean Done = Standard_False;
692 Standard_Real NewFpar, NewLpar;
693 GeomAdaptor_Curve GAprevcurve(CurveSeq.Last());
694 TopoDS_Vertex CurVertex = wexp.CurrentVertex();
695 TopoDS_Vertex CurFirstVer = TopExp::FirstVertex(anEdge);
696 TopAbs_Orientation ConnectByOrigin = (CurVertex.IsSame(CurFirstVer))? TopAbs_FORWARD : TopAbs_REVERSED;
697 if (aCurve == CurveSeq.Last())
701 if (aBasisCurve->IsPeriodic())
703 if (NewLpar < NewFpar)
704 NewLpar += aBasisCurve->Period();
705 if (ConnectByOrigin == TopAbs_FORWARD)
706 ElCLib::AdjustPeriodic(FparSeq.Last(),
707 FparSeq.Last() + aBasisCurve->Period(),
708 Precision::PConfusion(), NewFpar, NewLpar);
710 ElCLib::AdjustPeriodic(FparSeq.Last() - aBasisCurve->Period(),
712 Precision::PConfusion(), NewFpar, NewLpar);
714 Done = Standard_True;
716 else if (aType == CurType &&
717 aType != GeomAbs_BezierCurve &&
718 aType != GeomAbs_BSplineCurve &&
719 aType != GeomAbs_OtherCurve)
725 gp_Lin aLine = BAcurve.Line();
726 gp_Lin PrevLine = GAprevcurve.Line();
727 if (aLine.Contains(PrevLine.Location(), LinTol) &&
728 aLine.Direction().IsParallel(PrevLine.Direction(), AngTol))
730 gp_Pnt P1 = ElCLib::Value(fpar, aLine);
731 gp_Pnt P2 = ElCLib::Value(lpar, aLine);
732 NewFpar = ElCLib::Parameter(PrevLine, P1);
733 NewLpar = ElCLib::Parameter(PrevLine, P2);
736 if (ConnectByOrigin == TopAbs_FORWARD) {
737 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevLine);
739 aPntShiftDist += P2.Distance(aNewP2);
741 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevLine);
743 aPntShiftDist += P1.Distance(aNewP1);
746 if (NewLpar < NewFpar)
748 Standard_Real MemNewFpar = NewFpar;
750 NewLpar = MemNewFpar;
751 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
753 Done = Standard_True;
759 gp_Circ aCircle = BAcurve.Circle();
760 gp_Circ PrevCircle = GAprevcurve.Circle();
761 if (aCircle.Location().Distance(PrevCircle.Location()) <= LinTol &&
762 Abs(aCircle.Radius() - PrevCircle.Radius()) <= LinTol &&
763 aCircle.Axis().IsParallel(PrevCircle.Axis(), AngTol))
765 const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
767 if (aCircle.Axis().Direction() * PrevCircle.Axis().Direction() < 0.)
769 Standard_Real memfpar = fpar;
772 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
774 gp_Pnt P1 = ElCLib::Value(fpar, aCircle);
775 gp_Pnt P2 = ElCLib::Value(lpar, aCircle);
776 NewFpar = ElCLib::Parameter(PrevCircle, P1);
777 NewLpar = ElCLib::Parameter(PrevCircle, P2);
781 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevCircle);
783 aPntShiftDist += P2.Distance(aNewP2);
785 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevCircle);
787 aPntShiftDist += P1.Distance(aNewP1);
790 if (NewLpar < NewFpar)
792 //Standard_Real MemNewFpar = NewFpar, MemNewLpar = NewLpar;
793 if (ConnectByOrigin == TopAbs_FORWARD)
794 ElCLib::AdjustPeriodic(FparSeq.Last(),
795 FparSeq.Last() + 2.*M_PI,
796 Precision::PConfusion(), NewFpar, NewLpar);
798 ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
800 Precision::PConfusion(), NewFpar, NewLpar);
801 Done = Standard_True;
805 case GeomAbs_Ellipse:
807 gp_Elips anEllipse = BAcurve.Ellipse();
808 gp_Elips PrevEllipse = GAprevcurve.Ellipse();
809 if (anEllipse.Focus1().Distance(PrevEllipse.Focus1()) <= LinTol &&
810 anEllipse.Focus2().Distance(PrevEllipse.Focus2()) <= LinTol &&
811 Abs(anEllipse.MajorRadius() - PrevEllipse.MajorRadius()) <= LinTol &&
812 Abs(anEllipse.MinorRadius() - PrevEllipse.MinorRadius()) <= LinTol &&
813 anEllipse.Axis().IsParallel(PrevEllipse.Axis(), AngTol))
815 const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
817 if (anEllipse.Axis().Direction() * PrevEllipse.Axis().Direction() < 0.)
819 Standard_Real memfpar = fpar;
822 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
824 gp_Pnt P1 = ElCLib::Value(fpar, anEllipse);
825 gp_Pnt P2 = ElCLib::Value(lpar, anEllipse);
826 NewFpar = ElCLib::Parameter(PrevEllipse, P1);
827 NewLpar = ElCLib::Parameter(PrevEllipse, P2);
831 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevEllipse);
833 aPntShiftDist += P2.Distance(aNewP2);
835 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevEllipse);
837 aPntShiftDist += P1.Distance(aNewP1);
840 if (NewLpar < NewFpar)
842 if (ConnectByOrigin == TopAbs_FORWARD)
843 ElCLib::AdjustPeriodic(FparSeq.Last(),
844 FparSeq.Last() + 2.*M_PI,
845 Precision::PConfusion(), NewFpar, NewLpar);
847 ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
849 Precision::PConfusion(), NewFpar, NewLpar);
850 Done = Standard_True;
854 case GeomAbs_Hyperbola:
856 gp_Hypr aHypr = BAcurve.Hyperbola();
857 gp_Hypr PrevHypr = GAprevcurve.Hyperbola();
858 if (aHypr.Focus1().Distance(PrevHypr.Focus1()) <= LinTol &&
859 aHypr.Focus2().Distance(PrevHypr.Focus2()) <= LinTol &&
860 Abs(aHypr.MajorRadius() - PrevHypr.MajorRadius()) <= LinTol &&
861 Abs(aHypr.MinorRadius() - PrevHypr.MinorRadius()) <= LinTol &&
862 aHypr.Axis().IsParallel(PrevHypr.Axis(), AngTol))
864 gp_Pnt P1 = ElCLib::Value(fpar, aHypr);
865 gp_Pnt P2 = ElCLib::Value(lpar, aHypr);
866 NewFpar = ElCLib::Parameter(PrevHypr, P1);
867 NewLpar = ElCLib::Parameter(PrevHypr, P2);
870 if (ConnectByOrigin == TopAbs_FORWARD) {
871 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevHypr);
873 aPntShiftDist += P2.Distance(aNewP2);
875 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevHypr);
877 aPntShiftDist += P1.Distance(aNewP1);
880 if (NewLpar < NewFpar)
882 Standard_Real MemNewFpar = NewFpar;
884 NewLpar = MemNewFpar;
885 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
887 Done = Standard_True;
891 case GeomAbs_Parabola:
893 gp_Parab aParab = BAcurve.Parabola();
894 gp_Parab PrevParab = GAprevcurve.Parabola();
895 if (aParab.Location().Distance(PrevParab.Location()) <= LinTol &&
896 aParab.Focus().Distance(PrevParab.Focus()) <= LinTol &&
897 Abs(aParab.Focal() - PrevParab.Focal()) <= LinTol &&
898 aParab.Axis().IsParallel(PrevParab.Axis(), AngTol))
900 gp_Pnt P1 = ElCLib::Value(fpar, aParab);
901 gp_Pnt P2 = ElCLib::Value(lpar, aParab);
902 NewFpar = ElCLib::Parameter(PrevParab, P1);
903 NewLpar = ElCLib::Parameter(PrevParab, P2);
906 if (ConnectByOrigin == TopAbs_FORWARD) {
907 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevParab);
909 aPntShiftDist += P2.Distance(aNewP2);
911 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevParab);
913 aPntShiftDist += P1.Distance(aNewP1);
916 if (NewLpar < NewFpar)
918 Standard_Real MemNewFpar = NewFpar;
920 NewLpar = MemNewFpar;
921 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
923 Done = Standard_True;
927 } //end of switch (aType)
928 } // end of else if (aType == CurType && ...
931 if (NewFpar < FparSeq.Last())
932 FparSeq(FparSeq.Length()) = NewFpar;
934 LparSeq(LparSeq.Length()) = NewLpar;
938 CurveSeq.Append(aCurve);
939 TopoDS_Shape aLocShape;
940 aLocShape.Location(aLoc);
941 aLocShape.Orientation(wexp.Orientation());
942 LocSeq.Append(aLocShape);
943 FparSeq.Append(fpar);
944 LparSeq.Append(lpar);
945 TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(CurVertex));
949 } // end of else (CurveSeq.IsEmpty()) -> not first time
950 } // end for (; wexp.More(); wexp.Next())
952 LastVertex = wexp.CurrentVertex();
953 TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(LastVertex));
955 FirstVertex.Orientation(TopAbs_FORWARD);
956 LastVertex.Orientation(TopAbs_REVERSED);
958 if (!CurveSeq.IsEmpty())
960 Standard_Integer nb_curve = CurveSeq.Length(); //number of curves
961 TColGeom_Array1OfBSplineCurve tab(0,nb_curve-1); //array of the curves
962 TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances
968 for (i = 1; i <= nb_curve; i++)
970 if (CurveSeq(i)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
971 CurveSeq(i) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(i))))->BasisCurve();
973 Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(CurveSeq(i), FparSeq(i), LparSeq(i));
974 tab(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
975 tab(i-1)->Transform(LocSeq(i).Location().Transformation());
976 GeomConvert::C0BSplineToC1BSplineCurve(tab(i-1), Precision::Confusion());
977 if (LocSeq(i).Orientation() == TopAbs_REVERSED)
981 //char* name = new char[100];
982 //sprintf(name, "c%d", i);
983 //DrawTrSurf::Set(name, tab(i-1));
986 tabtolvertex(i-2) = TolSeq(i-1);
987 } // end for (i = 1; i <= nb_curve; i++)
988 tabtolvertex(nb_curve-1) = TolSeq(TolSeq.Length());
990 Standard_Boolean closed_flag = Standard_False;
991 Standard_Real closed_tolerance = 0.;
992 if (FirstVertex.IsSame(LastVertex) &&
993 GeomLProp::Continuity(tab(0), tab(nb_curve-1),
994 tab(0)->FirstParameter(),
995 tab(nb_curve-1)->LastParameter(),
996 Standard_False, Standard_False, LinTol, AngTol) >= GeomAbs_G1)
998 closed_flag = Standard_True ;
999 closed_tolerance = BRep_Tool::Tolerance(FirstVertex);
1002 Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
1003 Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
1004 GeomConvert::ConcatC1(tab,
1009 closed_tolerance); //C1 concatenation
1011 if (concatcurve->Length() > 1)
1013 GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
1015 for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
1016 Concat.Add( concatcurve->Value(i), LinTol, Standard_True );
1018 concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
1020 // rnc : prevents the driver from building an edge without C1 continuity
1021 if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
1022 Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
1025 Standard_Boolean isValidEndVtx = Standard_True;
1028 // Check if closed curve is reordered.
1029 Handle(Geom_Curve) aCurve = concatcurve->Value(concatcurve->Lower());
1030 Standard_Real aFPar = aCurve->FirstParameter();
1032 gp_Pnt aPntVtx = BRep_Tool::Pnt(FirstVertex);
1033 Standard_Real aTolVtx = BRep_Tool::Tolerance(FirstVertex);
1035 aCurve->D0(aFPar, aPFirst);
1037 if (!aPFirst.IsEqual(aPntVtx, aTolVtx)) {
1038 // The curve is reordered. Find the new first and last vertices.
1039 TopTools_IndexedMapOfShape aMapVtx;
1040 TopExp::MapShapes(theWire, TopAbs_VERTEX, aMapVtx);
1042 const Standard_Integer aNbVtx = aMapVtx.Extent();
1043 Standard_Integer iVtx;
1045 for (iVtx = 1; iVtx <= aNbVtx; iVtx++) {
1046 const TopoDS_Vertex aVtx = TopoDS::Vertex(aMapVtx.FindKey(iVtx));
1047 const gp_Pnt aPnt = BRep_Tool::Pnt(aVtx);
1048 const Standard_Real aTol = BRep_Tool::Tolerance(aVtx);
1050 if (aPFirst.IsEqual(aPnt, aTol)) {
1051 // The coinsident vertex is found.
1054 FirstVertex.Orientation(TopAbs_FORWARD);
1055 LastVertex.Orientation(TopAbs_REVERSED);
1060 if (iVtx > aNbVtx) {
1061 // It is necessary to create new vertices.
1062 isValidEndVtx = Standard_False;
1067 if (isValidEndVtx) {
1068 ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1069 FirstVertex, LastVertex,
1070 concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1071 concatcurve->Value(concatcurve->Lower())->LastParameter());
1073 ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1074 concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1075 concatcurve->Value(concatcurve->Lower())->LastParameter());
1080 if (CurveSeq(1)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
1081 CurveSeq(1) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(1))))->BasisCurve();
1083 Handle(Geom_Curve) aNewCurve =
1084 Handle(Geom_Curve)::DownCast(CurveSeq(1)->Copy());
1086 aNewCurve->Transform(LocSeq(1).Location().Transformation());
1088 if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1089 const TopoDS_Vertex aVtxTmp = FirstVertex;
1091 FirstVertex = LastVertex;
1092 LastVertex = aVtxTmp;
1093 FirstVertex.Orientation(TopAbs_FORWARD);
1094 LastVertex.Orientation(TopAbs_REVERSED);
1097 ResEdge = BRepLib_MakeEdge(aNewCurve,
1098 FirstVertex, LastVertex,
1099 FparSeq(1), LparSeq(1));
1101 if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1110 //=============================================================================
1112 * \brief Returns an isoline for a face.
1114 //=============================================================================
1116 TopoDS_Shape GEOMImpl_ShapeDriver::MakeIsoline
1117 (const TopoDS_Face &theFace,
1119 const double theParameter) const
1121 TopoDS_Shape aResult;
1122 GEOMUtils::Hatcher aHatcher(theFace);
1123 const GeomAbs_IsoType aType = (IsUIso ? GeomAbs_IsoU : GeomAbs_IsoV);
1125 aHatcher.Init(aType, theParameter);
1128 if (!aHatcher.IsDone()) {
1129 Standard_ConstructionError::Raise("MakeIsoline : Hatcher failure");
1132 const Handle(TColStd_HArray1OfInteger) &anIndices =
1133 (IsUIso ? aHatcher.GetUIndices() : aHatcher.GetVIndices());
1135 if (anIndices.IsNull()) {
1136 Standard_ConstructionError::Raise("MakeIsoline : Null hatching indices");
1139 const Standard_Integer anIsoInd = anIndices->Lower();
1140 const Standard_Integer aHatchingIndex = anIndices->Value(anIsoInd);
1142 if (aHatchingIndex == 0) {
1143 Standard_ConstructionError::Raise("MakeIsoline : Invalid hatching index");
1146 const Standard_Integer aNbDomains =
1147 aHatcher.GetNbDomains(aHatchingIndex);
1149 if (aNbDomains < 0) {
1150 Standard_ConstructionError::Raise("MakeIsoline : Invalid number of domains");
1153 // The hatching is performed successfully. Create the 3d Curve.
1154 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(theFace);
1155 Handle(Geom_Curve) anIsoCurve = (IsUIso ?
1156 aSurface->UIso(theParameter) : aSurface->VIso(theParameter));
1157 Handle(Geom2d_Curve) aPIsoCurve =
1158 aHatcher.GetHatching(aHatchingIndex);
1159 const Standard_Real aTol = Precision::Confusion();
1160 Standard_Integer anIDom = 1;
1163 BRep_Builder aBuilder;
1164 Standard_Integer aNbEdges = 0;
1166 for (; anIDom <= aNbDomains; anIDom++) {
1167 if (aHatcher.GetDomain(aHatchingIndex, anIDom, aV1, aV2)) {
1168 // Check first and last parameters.
1169 if (!aHatcher.IsDomainInfinite(aHatchingIndex, anIDom)) {
1171 TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(anIsoCurve, aV1, aV2);
1173 // Update it with a parametric curve on face.
1174 aBuilder.UpdateEdge(anEdge, aPIsoCurve, theFace, aTol);
1178 // Result is a compond.
1179 if (aNbEdges == 2) {
1180 // Create a new compound.
1181 TopoDS_Compound aCompound;
1183 aBuilder.MakeCompound(aCompound);
1184 aBuilder.Add(aCompound, aResult);
1185 aResult = aCompound;
1188 // Add an edge to the compound.
1189 aBuilder.Add(aResult, anEdge);
1191 // Result is the edge.
1198 if (aNbEdges == 0) {
1199 Standard_ConstructionError::Raise("MakeIsoline : Empty result");
1205 //================================================================================
1207 * \brief Returns a name of creation operation and names and values of creation parameters
1209 //================================================================================
1211 bool GEOMImpl_ShapeDriver::
1212 GetCreationInformation(std::string& theOperationName,
1213 std::vector<GEOM_Param>& theParams)
1215 if (Label().IsNull()) return 0;
1216 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
1218 GEOMImpl_IShapes aCI( function );
1219 Standard_Integer aType = function->GetType();
1223 theOperationName = "WIRE";
1224 AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1225 AddParam( theParams, "Tolerance", aCI.GetTolerance() );
1228 theOperationName = "FACE";
1229 AddParam( theParams, "Wire/edge", aCI.GetBase() );
1230 AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1233 theOperationName = "FACE";
1234 AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1235 AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1238 theOperationName = "SHELL";
1239 AddParam( theParams, "Objects", aCI.GetShapes() );
1242 theOperationName = "SOLID";
1243 AddParam( theParams, "Objects", aCI.GetShapes() );
1245 case COMPOUND_SHAPES:
1246 theOperationName = "COMPOUND";
1247 AddParam( theParams, "Objects", aCI.GetShapes() );
1250 theOperationName = "EDGE";
1251 AddParam( theParams, "Wire", aCI.GetBase() );
1252 AddParam( theParams, "Linear Tolerance", aCI.GetTolerance() );
1253 AddParam( theParams, "Angular Tolerance", aCI.GetAngularTolerance() );
1255 case EDGE_CURVE_LENGTH:
1256 theOperationName = "EDGE";
1258 GEOMImpl_IVector aCI( function );
1259 AddParam( theParams, "Edge", aCI.GetPoint1() );
1260 AddParam( theParams, "Start point", aCI.GetPoint2() );
1261 AddParam( theParams, "Length", aCI.GetParameter() );
1264 case SHAPES_ON_SHAPE:
1266 theOperationName = "GetShapesOnShapeAsCompound";
1267 Handle(TColStd_HSequenceOfTransient) shapes = aCI.GetShapes();
1268 if ( !shapes.IsNull() && shapes->Length() > 0 )
1269 AddParam( theParams, "Check shape", shapes->Value(1) );
1270 if ( !shapes.IsNull() && shapes->Length() > 1 )
1271 AddParam( theParams, "Shape", shapes->Value(2) );
1272 AddParam( theParams, "Shape type", TopAbs_ShapeEnum( aCI.GetSubShapeType() ));
1273 AddParam( theParams, "State", TopAbs_State((int) aCI.GetTolerance() ));
1278 GEOMImpl_IIsoline aII (function);
1280 theOperationName = "ISOLINE";
1281 AddParam(theParams, "Face", aII.GetFace());
1282 AddParam(theParams, "Isoline type", (aII.GetIsUIso() ? "U" : "V"));
1283 AddParam(theParams, "Parameter", aII.GetParameter());
1293 IMPLEMENT_STANDARD_HANDLE (GEOMImpl_ShapeDriver,GEOM_BaseDriver);
1294 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ShapeDriver,GEOM_BaseDriver);
1296 //modified by NIZNHY-PKV Wed Dec 28 13:48:31 2011f
1297 #include <TopoDS_Iterator.hxx>
1298 #include <TopTools_HSequenceOfShape.hxx>
1299 #include <ShapeAnalysis_FreeBounds.hxx>
1300 #include <TopTools_MapOfShape.hxx>
1301 #include <TopTools_MapOfOrientedShape.hxx>
1302 #include <BRep_Builder.hxx>
1303 #include <TopoDS_Wire.hxx>
1305 //=======================================================================
1306 //function : KeepEdgesOrder
1308 //=======================================================================
1310 void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
1311 const Handle(TopTools_HSequenceOfShape)& aWires)
1313 Standard_Integer aNbWires, aNbEdges;
1315 if (aEdges.IsNull()) {
1319 if (aWires.IsNull()) {
1323 aNbEdges=aEdges->Length();
1324 aNbWires=aWires->Length();
1325 if (!aNbEdges || !aNbWires) {
1329 Standard_Boolean bClosed;
1330 Standard_Integer i, j;
1332 TopoDS_Iterator aIt;
1334 TopTools_MapOfOrientedShape aMEx;
1336 for (i=1; i<=aNbWires; ++i) {
1337 const TopoDS_Shape& aWx=aWires->Value(i);
1340 aIt.Initialize (aWx);
1341 for (; aIt.More(); aIt.Next()) {
1342 const TopoDS_Shape& aEx=aIt.Value();
1347 for (j=1; j<=aNbEdges; ++j) {
1348 const TopoDS_Shape& aE=aEdges->Value(j);
1349 if (aMEx.Contains(aE)) {
1354 bClosed=aWx.Closed();
1355 aWy.Closed(bClosed);
1357 aWires->Append(aWy);
1358 }// for (i=1; i<=aNbWires; ++i) {
1360 aWires->Remove(1, aNbWires);
1363 //modified by NIZNHY-PKV Wed Dec 28 13:48:34 2011t