--- /dev/null
+// File: BRepOffsetAPI_MiddlePath.cxx
+// Created: 06.08.12 16:53:16
+// Author: jgv@ROLEX
+// Copyright: Open CASCADE 2012
+
+#include <BRepOffsetAPI_MiddlePath.ixx>
+#include <BRepOffsetAPI_MiddlePath.hxx>
+
+#include <ShapeUpgrade_UnifySameDomain.hxx>
+
+#include <gp_Lin.hxx>
+#include <Geom_Curve.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_BezierCurve.hxx>
+#include <Geom_BSplineCurve.hxx>
+#include <BRep_Tool.hxx>
+#include <gce_MakeLin.hxx>
+
+#include <BRepLib_MakeWire.hxx>
+
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+#include <TopExp.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopoDS.hxx>
+#include <BRepTools.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <BRepTools_WireExplorer.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <BRep_Builder.hxx>
+#include <Precision.hxx>
+#include <TopExp_Explorer.hxx>
+#include <BRepExtrema_DistShapeShape.hxx>
+#include <Geom2d_Curve.hxx>
+#include <Geom2d_Line.hxx>
+#include <GCE2d_MakeLine.hxx>
+#include <BRepLib_MakeEdge.hxx>
+#include <BRepLib.hxx>
+#include <GeomAbs_CurveType.hxx>
+#include <BRepAdaptor_Curve.hxx>
+#include <TopTools_Array1OfShape.hxx>
+#include <BRepLib_MakeFace.hxx>
+#include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_HArray1OfPnt.hxx>
+#include <TColgp_Array1OfVec.hxx>
+#include <TColStd_HArray1OfBoolean.hxx>
+#include <GProp_GProps.hxx>
+#include <BRepGProp.hxx>
+#include <Geom_Circle.hxx>
+#include <gp_Circ.hxx>
+#include <GC_MakeCircle.hxx>
+#include <TColgp_SequenceOfPnt.hxx>
+#include <GeomLib.hxx>
+#include <GeomAPI_Interpolate.hxx>
+
+static Standard_Boolean IsClosed(const TopoDS_Wire& aWire)
+{
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(aWire, V1, V2);
+ return (V1.IsSame(V2));
+}
+
+static Standard_Boolean IsLinear(const TopoDS_Edge& anEdge,
+ gp_Lin& aLine)
+{
+ Standard_Real fpar, lpar;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
+ if (aCurve->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
+ aCurve = ((Handle(Geom_TrimmedCurve)&) aCurve)->BasisCurve();
+
+ gp_Pnt Pnt1, Pnt2;
+ if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
+ {
+ aLine = ((Handle(Geom_Line)&) aCurve)->Lin();
+ return Standard_True;
+ }
+ else if (aCurve->IsKind(STANDARD_TYPE(Geom_BezierCurve)))
+ {
+ Handle(Geom_BezierCurve) theBezier = (Handle(Geom_BezierCurve)&) aCurve;
+ if (theBezier->NbPoles() == 2)
+ {
+ Pnt1 = theBezier->Pole(1);
+ Pnt2 = theBezier->Pole(2);
+ aLine = gce_MakeLin(Pnt1, Pnt2);
+ return Standard_True;
+ }
+ }
+ else if (aCurve->IsKind(STANDARD_TYPE(Geom_BSplineCurve)))
+ {
+ Handle(Geom_BSplineCurve) theBSpline = (Handle(Geom_BSplineCurve)&) aCurve;
+ if (theBSpline->NbPoles() == 2)
+ {
+ Pnt1 = theBSpline->Pole(1);
+ Pnt2 = theBSpline->Pole(2);
+ aLine = gce_MakeLin(Pnt1, Pnt2);
+ return Standard_True;
+ }
+ }
+
+ return Standard_False;
+}
+
+static GeomAbs_CurveType TypeOfEdge(const TopoDS_Edge& anEdge)
+{
+ gp_Lin aLin;
+ if (IsLinear(anEdge, aLin))
+ return GeomAbs_Line;
+
+ BRepAdaptor_Curve BAcurve(anEdge);
+ return BAcurve.GetType();
+}
+
+static gp_Vec TangentOfEdge(const TopoDS_Shape& aShape,
+ const Standard_Boolean OnFirst)
+{
+ TopoDS_Edge anEdge = TopoDS::Edge(aShape);
+ TopAbs_Orientation anOr = anEdge.Orientation();
+
+ Standard_Real fpar, lpar;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
+ Standard_Real thePar;
+ if (OnFirst)
+ thePar = (anOr == TopAbs_FORWARD)? fpar : lpar;
+ else
+ thePar = (anOr == TopAbs_FORWARD)? lpar : fpar;
+
+ gp_Pnt thePoint;
+ gp_Vec theTangent;
+ aCurve->D1(thePar, thePoint, theTangent);
+ if (anOr == TopAbs_REVERSED)
+ theTangent.Reverse();
+
+ return theTangent;
+}
+
+
+static Standard_Boolean IsValidEdge(const TopoDS_Edge& theEdge,
+ const TopoDS_Face& theFace)
+{
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(theEdge, V1, V2);
+
+ Standard_Real Tol = Precision::Confusion();
+ Standard_Integer i;
+
+ TopExp_Explorer Explo(theFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Shape& anEdge = Explo.Current();
+ BRepExtrema_DistShapeShape DistMini(theEdge, anEdge);
+ if (DistMini.Value() <= Tol)
+ {
+ for (i = 1; i <= DistMini.NbSolution(); i++)
+ {
+ BRepExtrema_SupportType theType = DistMini.SupportTypeShape2(i);
+ if (theType == BRepExtrema_IsOnEdge)
+ return Standard_False;
+ //theType is "IsVertex"
+ TopoDS_Shape aVertex = DistMini.SupportOnShape2(i);
+ if (!(aVertex.IsSame(V1) || aVertex.IsSame(V2)))
+ return Standard_False;
+ }
+ }
+ }
+
+ return Standard_True;
+}
+
+/*
+//=======================================================================
+//function : BRepOffsetAPI_MiddlePath
+//purpose : Constructor
+//=======================================================================
+
+BRepOffsetAPI_MiddlePath::BRepOffsetAPI_MiddlePath(const TopoDS_Shape& aShape,
+ const TopoDS_Wire& StartWire)
+{
+ myInitialShape = aShape;
+ myStartWire = StartWire;
+ myClosedSection = myStartWire.Closed();
+}
+
+//=======================================================================
+//function : BRepOffsetAPI_MiddlePath
+//purpose : Constructor
+//=======================================================================
+
+BRepOffsetAPI_MiddlePath::BRepOffsetAPI_MiddlePath(const TopoDS_Shape& aShape,
+ const TopoDS_Edge& StartEdge)
+{
+ myInitialShape = aShape;
+
+ BRepLib_MakeWire MW(StartEdge);
+
+ //BB.Add(myStartWire, StartEdge);
+
+ TopTools_IndexedDataMapOfShapeListOfShape EFmap;
+ TopTools_IndexedDataMapOfShapeListOfShape VEmap;
+ TopExp::MapShapesAndAncestors(myInitialShape, TopAbs_EDGE, TopAbs_FACE, EFmap);
+ TopExp::MapShapesAndAncestors(myInitialShape, TopAbs_VERTEX, TopAbs_EDGE, VEmap);
+
+ //Standard_Boolean Start = Standard_True;
+ //if (Start)
+ //{
+ //TopExp::Vertices(CurEdge, V1, V2);
+ // StartVertex = V1;
+ // CurVertex = V2;
+ // if (VEmap(CurVertex).Extent() == 2) //end: two free edges
+ // {
+ // StartVertex = V2;
+ // CurVertex = V1;
+ // if (VEmap(CurVertex).Extent() == 2) //end: two free edges
+ // break;
+ // }
+ // Start = Standard_False;
+ // continue;
+ //}
+
+ TopoDS_Vertex StartVertex, CurVertex, V1, V2;
+ TopExp::Vertices(StartEdge, StartVertex, CurVertex);
+ TopoDS_Edge CurEdge = StartEdge;
+ Standard_Integer i;
+ for (i = 1; i <= 2; i++)
+ {
+ for (;;)
+ {
+ const TopTools_ListOfShape& LE = VEmap.FindFromKey(CurVertex);
+ if (LE.Extent() == 2) //end: two free edges or one closed free edge
+ break;
+ TopTools_ListIteratorOfListOfShape itl(LE);
+ TopoDS_Edge anEdge;
+ for (; itl.More(); itl.Next())
+ {
+ anEdge = TopoDS::Edge(itl.Value());
+ if (anEdge.IsSame(CurEdge))
+ continue;
+ if (EFmap.FindFromKey(anEdge).Extent() == 1) //another free edge found
+ break;
+ }
+ //BB.Add(myStartWire, anEdge);
+ MW.Add(anEdge);
+ TopExp::Vertices(anEdge, V1, V2);
+ CurVertex = (V1.IsSame(CurVertex))? V2 : V1;
+ CurEdge = anEdge;
+ if (CurVertex.IsSame(StartVertex))
+ break;
+ }
+ if (CurVertex.IsSame(StartVertex))
+ break;
+ CurVertex = StartVertex;
+ CurEdge = StartEdge;
+ }
+
+ myStartWire = MW.Wire();
+ myClosedSection = myStartWire.Closed();
+}
+*/
+
+//=======================================================================
+//function : BRepOffsetAPI_MiddlePath
+//purpose : Constructor
+//=======================================================================
+
+BRepOffsetAPI_MiddlePath::BRepOffsetAPI_MiddlePath(const TopoDS_Shape& aShape,
+ const TopoDS_Shape& StartShape,
+ const TopoDS_Shape& EndShape)
+{
+ ShapeUpgrade_UnifySameDomain Unifier(aShape);
+ Unifier.Build();
+ myInitialShape = Unifier.Shape();
+
+ TopoDS_Wire aStartWire, anEndWire;
+ if (StartShape.ShapeType() == TopAbs_FACE)
+ {
+ const TopoDS_Face& StartFace = TopoDS::Face(StartShape);
+ aStartWire = BRepTools::OuterWire(StartFace);
+ }
+ else
+ aStartWire = TopoDS::Wire(StartShape);
+
+ if (EndShape.ShapeType() == TopAbs_FACE)
+ {
+ const TopoDS_Face& EndFace = TopoDS::Face(EndShape);
+ anEndWire = BRepTools::OuterWire(EndFace);
+ }
+ else
+ anEndWire = TopoDS::Wire(EndShape);
+
+ BRepLib_MakeWire MWstart;
+ //TopTools_MapOfShape MapEdges;
+ BRepTools_WireExplorer wexp(aStartWire);
+ for (; wexp.More(); wexp.Next())
+ {
+ TopoDS_Shape anEdge = wexp.Current();
+ TopoDS_Shape NewEdge = Unifier.Generated(anEdge);
+ if (!NewEdge.IsNull())
+ MWstart.Add(TopoDS::Edge(NewEdge));
+ }
+ myStartWire = MWstart.Wire();
+
+ BRepLib_MakeWire MWend;
+ //MapEdges.Clear();
+ for (wexp.Init(anEndWire); wexp.More(); wexp.Next())
+ {
+ TopoDS_Shape anEdge = wexp.Current();
+ TopoDS_Shape NewEdge = Unifier.Generated(anEdge);
+ if (!NewEdge.IsNull())
+ MWend.Add(TopoDS::Edge(NewEdge));
+ }
+ myEndWire = MWend.Wire();
+
+ myClosedSection = myStartWire.Closed();
+ myClosedRing = myStartWire.IsSame(myEndWire);
+}
+
+//=======================================================================
+//function : Build
+//purpose :
+//=======================================================================
+
+void BRepOffsetAPI_MiddlePath::Build()
+{
+ TopTools_ListIteratorOfListOfShape itl;
+
+ TopTools_SequenceOfShape StartVertices;
+ TopTools_MapOfShape EndVertices;
+ TopTools_MapOfShape EndEdges;
+ BRepOffsetAPI_SequenceOfSequenceOfShape SectionsEdges;
+
+ BRepTools_WireExplorer wexp(myStartWire);
+ TopTools_SequenceOfShape EdgeSeq;
+ for (; wexp.More(); wexp.Next())
+ {
+ StartVertices.Append(wexp.CurrentVertex());
+ EdgeSeq.Append(wexp.Current());
+ }
+ if (!myClosedSection)
+ StartVertices.Append(wexp.CurrentVertex());
+ SectionsEdges.Append(EdgeSeq);
+
+ for (wexp.Init(myEndWire); wexp.More(); wexp.Next())
+ {
+ EndVertices.Add(wexp.CurrentVertex());
+ EndEdges.Add(wexp.Current());
+ }
+ if (!myClosedSection)
+ EndVertices.Add(wexp.CurrentVertex());
+
+
+ TopoDS_Iterator itw(myStartWire);
+ for (; itw.More(); itw.Next())
+ myStartWireEdges.Add(itw.Value());
+ for (itw.Initialize(myEndWire); itw.More(); itw.Next())
+ myEndWireEdges.Add(itw.Value());
+
+ TopTools_IndexedDataMapOfShapeListOfShape VEmap;
+ TopTools_IndexedDataMapOfShapeListOfShape EFmap;
+ TopExp::MapShapesAndAncestors(myInitialShape, TopAbs_VERTEX, TopAbs_EDGE, VEmap);
+ TopExp::MapShapesAndAncestors(myInitialShape, TopAbs_EDGE, TopAbs_FACE, EFmap);
+
+ TopTools_MapOfShape CurVertices;
+
+ Standard_Integer i, j, k;
+ TopoDS_Edge anEdge, theEdge;
+ TopoDS_Vertex V1, V2, NextVertex;
+ //Initialization of <myPaths>
+ for (i = 1; i <= StartVertices.Length(); i++)
+ {
+ TopTools_SequenceOfShape Edges;
+ const TopTools_ListOfShape& LE = VEmap.FindFromKey(StartVertices(i));
+ for (itl.Initialize(LE); itl.More(); itl.Next())
+ {
+ anEdge = TopoDS::Edge(itl.Value());
+ if (!myStartWireEdges.Contains(anEdge))
+ {
+ TopExp::Vertices(anEdge, V1, V2, Standard_True);
+ if (V1.IsSame(StartVertices(i)))
+ CurVertices.Add(V2);
+ else
+ {
+ anEdge.Reverse();
+ CurVertices.Add(V1);
+ }
+ Edges.Append(anEdge);
+ break;
+ }
+ }
+ myPaths.Append(Edges);
+ }
+
+ //Filling of "myPaths"
+ //TopTools_MapOfShape StartFacesMap;
+ TopTools_ListOfShape NextVertices;
+ for (;;)
+ {
+ /*
+ StartFacesMap.Clear();
+ for (i = 1; i <= myPaths.Length(); i++)
+ {
+ const TopoDS_Shape& LastEdge = myPaths(i).Last();
+ const TopTools_ListOfShape& LF = EFmap(LastEdge);
+ for (itl.Initialize(LF); itl.More(); itl.Next())
+ StartFacesMap.Add(itl.Value();
+ }
+ */
+ //TopTools_SequenceOfShape NewEdges;
+ for (i = 1; i <= myPaths.Length(); i++)
+ {
+ theEdge = TopoDS::Edge(myPaths(i).Last());
+ TopoDS_Vertex theVertex = TopExp::LastVertex(theEdge, Standard_True);
+ if (EndVertices.Contains(theVertex))
+ continue;
+ const TopTools_ListOfShape& LE = VEmap.FindFromKey(theVertex);
+ Standard_Boolean NextEdgeFound = Standard_False;
+ for (itl.Initialize(LE); itl.More(); itl.Next())
+ {
+ anEdge = TopoDS::Edge(itl.Value());
+ if (anEdge.IsSame(theEdge))
+ continue;
+ TopExp::Vertices(anEdge, V1, V2, Standard_True);
+ if (V1.IsSame(theVertex))
+ NextVertex = V2;
+ else
+ {
+ anEdge.Reverse();
+ NextVertex = V1;
+ }
+ if (!CurVertices.Contains(NextVertex))
+ {
+ NextEdgeFound = Standard_True;
+ break;
+ }
+ }
+ if (NextEdgeFound)
+ {
+ myPaths(i).Append(anEdge);
+ NextVertices.Append(NextVertex);
+ }
+ }
+ if (NextVertices.IsEmpty())
+ break;
+ for (itl.Initialize(NextVertices); itl.More(); itl.Next())
+ CurVertices.Add(itl.Value());
+ NextVertices.Clear();
+ }
+
+ //Building of set of sections
+ Standard_Integer NbE = EdgeSeq.Length();
+ Standard_Integer NbVer = myPaths.Length();
+ if (myClosedSection)
+ NbVer++;
+ i = 1;
+ for (;;)
+ {
+ for (j = 1; j <= EdgeSeq.Length(); j++)
+ EdgeSeq(j).Nullify();
+
+ Standard_Boolean ToInsertVertex = Standard_False;
+
+ for (j = 2; j <= NbVer; j++)
+ {
+ if (!EdgeSeq(j-1).IsNull())
+ continue;
+
+ if (ToInsertVertex)
+ {
+ if (myPaths(j-1)(i).ShapeType() == TopAbs_EDGE)
+ {
+ TopoDS_Edge aE1 = TopoDS::Edge(myPaths(j-1)(i));
+ TopoDS_Shape fver = TopExp::FirstVertex(aE1, Standard_True);
+ myPaths(j-1).InsertBefore(i, fver);
+ }
+ if (myPaths((j<=NbE)? j : 1)(i).ShapeType() == TopAbs_EDGE)
+ {
+ TopoDS_Edge aE2 = TopoDS::Edge(myPaths((j<=NbE)? j : 1)(i));
+ TopoDS_Shape fver = TopExp::FirstVertex(aE2, Standard_True);
+ myPaths((j<=NbE)? j : 1).InsertBefore(i, fver);
+ }
+ ToInsertVertex = Standard_False;
+ }
+
+ TopoDS_Edge E1, E2;
+ if (myPaths(j-1)(i).ShapeType() == TopAbs_EDGE)
+ E1 = TopoDS::Edge(myPaths(j-1)(i));
+ if (myPaths((j<=NbE)? j : 1)(i).ShapeType() == TopAbs_EDGE)
+ E2 = TopoDS::Edge(myPaths((j<=NbE)? j : 1)(i));
+ TopoDS_Edge E12 = TopoDS::Edge(SectionsEdges(i)(j-1));
+
+ //TopoDS_Vertex PrevVertex = TopoDS::Vertex(VerSeq(j-1));
+ //TopoDS_Vertex CurVertex = TopoDS::Vertex(VerSeq(j));
+ TopoDS_Vertex PrevVertex = (E1.IsNull())? TopoDS::Vertex(myPaths(j-1)(i))
+ : TopExp::LastVertex(E1, Standard_True);
+ TopoDS_Vertex CurVertex = (E2.IsNull())? TopoDS::Vertex(myPaths((j<=NbE)? j : 1)(i))
+ : TopExp::LastVertex(E2, Standard_True);
+
+ TopoDS_Edge ProperEdge;
+ const TopTools_ListOfShape& LE = VEmap.FindFromKey(PrevVertex);
+ //Temporary
+ Standard_Integer LenList = LE.Extent();
+ ///////////
+ for (itl.Initialize(LE); itl.More(); itl.Next())
+ {
+ anEdge = TopoDS::Edge(itl.Value());
+ TopExp::Vertices(anEdge, V1, V2);
+ if ((V1.IsSame(PrevVertex) && V2.IsSame(CurVertex) ||
+ V1.IsSame(CurVertex) && V2.IsSame(PrevVertex)) &&
+ !anEdge.IsSame(E1))
+ {
+ ProperEdge = anEdge;
+ break;
+ }
+ }
+
+ if ((myPaths(j-1)(i)).ShapeType() == TopAbs_VERTEX &&
+ (myPaths((j<=NbE)? j : 1)(i)).ShapeType() == TopAbs_VERTEX)
+ {
+ EdgeSeq(j-1) = ProperEdge;
+ continue;
+ }
+
+ TopoDS_Vertex PrevPrevVer = (E1.IsNull())? PrevVertex
+ : TopExp::FirstVertex(E1, Standard_True);
+ TopoDS_Vertex PrevCurVer = (E2.IsNull())? CurVertex
+ : TopExp::FirstVertex(E2, Standard_True);
+ if (ProperEdge.IsNull()) //no connection between these two vertices
+ {
+ //ToInsertVertex = Standard_False;
+ const TopoDS_Shape& EE1 = (E1.IsNull())?
+ myPaths(j-1)(i-1) : E1;
+ const TopoDS_Shape& EE2 = (E2.IsNull())?
+ myPaths((j<=NbE)? j : 1)(i-1) : E2;
+ const TopTools_ListOfShape& LF = EFmap.FindFromKey(EE1);
+ TopoDS_Face theFace;
+ for (itl.Initialize(LF); itl.More(); itl.Next())
+ {
+ const TopoDS_Shape& aFace = itl.Value();
+ TopExp_Explorer Explo(aFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ if (EE2.IsSame(Explo.Current()))
+ {
+ const TopTools_ListOfShape& LFsec = EFmap.FindFromKey(E12);
+ TopTools_ListIteratorOfListOfShape itlsec(LFsec);
+ for (; itlsec.More(); itlsec.Next())
+ if (aFace.IsSame(itlsec.Value()))
+ {
+ theFace = TopoDS::Face(aFace);
+ break;
+ }
+ if (!theFace.IsNull())
+ break;
+ }
+ }
+ if (!theFace.IsNull())
+ break;
+ }
+ TopTools_ListOfShape ListOneFace;
+ ListOneFace.Append(theFace);
+
+ if (E1.IsNull() || E2.IsNull())
+ {
+ if (E1.IsNull())
+ E1 = TopoDS::Edge(myPaths(j-1)(i-1));
+ if (E2.IsNull())
+ E2 = TopoDS::Edge(myPaths((j<=NbE)? j : 1)(i-1));
+ Standard_Real fpar1, lpar1, fpar2, lpar2;
+ Standard_Real FirstPar1, LastPar1, FirstPar2, LastPar2;
+ Handle(Geom2d_Curve) PCurve1 = BRep_Tool::CurveOnSurface(E1, theFace, fpar1, lpar1);
+ Handle(Geom2d_Curve) PCurve2 = BRep_Tool::CurveOnSurface(E2, theFace, fpar2, lpar2);
+ if (E1.Orientation() == TopAbs_FORWARD)
+ { FirstPar1 = fpar1; LastPar1 = lpar1; }
+ else
+ { FirstPar1 = lpar1; LastPar1 = fpar1; }
+ if (E2.Orientation() == TopAbs_FORWARD)
+ { FirstPar2 = fpar2; LastPar2 = lpar2; }
+ else
+ { FirstPar2 = lpar2; LastPar2 = fpar2; }
+ gp_Pnt2d FirstPnt2d = PCurve1->Value(LastPar1);
+ gp_Pnt2d LastPnt2d = PCurve2->Value(LastPar2);
+ Handle(Geom_Surface) theSurf = BRep_Tool::Surface(theFace);
+ Handle(Geom2d_Line) theLine = GCE2d_MakeLine(FirstPnt2d, LastPnt2d);
+ Standard_Real len_ne = FirstPnt2d.Distance(LastPnt2d);
+ TopoDS_Edge NewEdge = BRepLib_MakeEdge(theLine, theSurf,
+ PrevVertex, CurVertex,
+ 0., len_ne);
+ BRepLib::BuildCurve3d(NewEdge);
+ EdgeSeq(j-1) = NewEdge;
+ EFmap.Add(NewEdge, ListOneFace);
+ }
+ else //E1 is edge
+ {
+ //Extract points 2d
+ Standard_Real fpar1, lpar1, fpar2, lpar2;
+ Standard_Real FirstPar1, LastPar1, FirstPar2, LastPar2;
+ Handle(Geom2d_Curve) PCurve1 = BRep_Tool::CurveOnSurface(E1, theFace, fpar1, lpar1);
+ Handle(Geom2d_Curve) PCurve2 = BRep_Tool::CurveOnSurface(E2, theFace, fpar2, lpar2);
+ if (E1.Orientation() == TopAbs_FORWARD)
+ { FirstPar1 = fpar1; LastPar1 = lpar1; }
+ else
+ { FirstPar1 = lpar1; LastPar1 = fpar1; }
+ if (E2.Orientation() == TopAbs_FORWARD)
+ { FirstPar2 = fpar2; LastPar2 = lpar2; }
+ else
+ { FirstPar2 = lpar2; LastPar2 = fpar2; }
+ gp_Pnt2d FirstPnt2d = PCurve1->Value(LastPar1);
+ gp_Pnt2d LastPnt2d = PCurve2->Value(LastPar2);
+ Handle(Geom_Surface) theSurf = BRep_Tool::Surface(theFace);
+ Handle(Geom2d_Line) theLine = GCE2d_MakeLine(FirstPnt2d, LastPnt2d);
+ Standard_Real len_ne = FirstPnt2d.Distance(LastPnt2d);
+ TopoDS_Edge NewEdge = BRepLib_MakeEdge(theLine, theSurf,
+ PrevVertex, CurVertex,
+ 0., len_ne);
+ BRepLib::BuildCurve3d(NewEdge);
+ gp_Pnt2d PrevFirstPnt2d = PCurve1->Value(FirstPar1);
+ gp_Pnt2d PrevLastPnt2d = PCurve2->Value(FirstPar2);
+ Handle(Geom2d_Line) Line1 = GCE2d_MakeLine(PrevFirstPnt2d, LastPnt2d);
+ Handle(Geom2d_Line) Line2 = GCE2d_MakeLine(FirstPnt2d, PrevLastPnt2d);
+ Standard_Real len_ne1 = PrevFirstPnt2d.Distance(LastPnt2d);
+ TopoDS_Edge NewEdge1 = BRepLib_MakeEdge(Line1, theSurf,
+ PrevPrevVer, CurVertex,
+ 0., len_ne1);
+ BRepLib::BuildCurve3d(NewEdge1);
+ Standard_Real len_ne2 = FirstPnt2d.Distance(PrevLastPnt2d);
+ TopoDS_Edge NewEdge2 = BRepLib_MakeEdge(Line2, theSurf,
+ PrevVertex, PrevCurVer,
+ 0., len_ne2);
+ BRepLib::BuildCurve3d(NewEdge2);
+ Standard_Boolean good_ne = IsValidEdge(NewEdge, theFace);
+ Standard_Boolean good_ne1 = IsValidEdge(NewEdge1, theFace);
+ Standard_Boolean good_ne2 = IsValidEdge(NewEdge2, theFace);
+
+ GeomAbs_CurveType type_E1 = TypeOfEdge(E1);
+ GeomAbs_CurveType type_E2 = TypeOfEdge(E2);
+
+ Standard_Integer ChooseEdge = 0;
+
+ if (!good_ne || type_E1 != type_E2)
+ {
+ if (type_E1 == type_E2) //!good_ne
+ {
+ if (good_ne1)
+ ChooseEdge = 1;
+ else
+ ChooseEdge = 2;
+ }
+ else //types are different
+ {
+ if (type_E1 == GeomAbs_Line)
+ ChooseEdge = 1;
+ else if (type_E2 == GeomAbs_Line)
+ ChooseEdge = 2;
+ else //to be developed later...
+ {}
+ }
+ }
+
+ if (ChooseEdge == 0)
+ {
+ EdgeSeq(j-1) = NewEdge;
+ EFmap.Add(NewEdge, ListOneFace);
+ }
+ else if (ChooseEdge == 1)
+ {
+ EdgeSeq(j-1) = NewEdge1;
+ EFmap.Add(NewEdge1, ListOneFace);
+ for (k = 1; k < j-1; k++)
+ EdgeSeq(k).Nullify();
+ for (k = 1; k <= j-1; k++)
+ {
+ TopoDS_Edge aLastEdge = TopoDS::Edge(myPaths(k)(i));
+ TopoDS_Shape VertexAsEdge = TopExp::FirstVertex(aLastEdge, Standard_True);
+ myPaths(k).InsertBefore(i, VertexAsEdge);
+ }
+ j = 1;
+ }
+ else if (ChooseEdge == 2)
+ {
+ EdgeSeq(j-1) = NewEdge2;
+ EFmap.Add(NewEdge2, ListOneFace);
+ ToInsertVertex = Standard_True;
+ }
+ } //else //E1 is edge
+ } //if (ProperEdge.IsNull())
+ else //connecting edge exists
+ {
+ /*
+ if (ToInsertVertex)
+ {
+ myPaths(j-1).InsertBefore(i, PrevPrevVer);
+ myPaths((j<=NbE)? j : 1).InsertBefore(i, PrevCurVer);
+ EdgeSeq(j-1) = E12;
+ }
+ else
+ */
+ EdgeSeq(j-1) = ProperEdge;
+ }
+ } //for (j = 2; j <= NbVer; j++)
+ SectionsEdges.Append(EdgeSeq);
+
+ //check for exit from for(;;)
+ Standard_Integer NbEndEdges = 0;
+ for (j = 1; j <= EdgeSeq.Length(); j++)
+ if (EndEdges.Contains(EdgeSeq(j)))
+ NbEndEdges++;
+ if (NbEndEdges == NbE)
+ break;
+
+ i++;
+ } //for (;;)
+
+
+ //final phase: building of middle path
+ Standard_Integer NbSecFaces = SectionsEdges.Length();
+ TopTools_Array1OfShape SecFaces(1, NbSecFaces);
+ for (i = 1; i <= NbSecFaces; i++)
+ {
+ BRepLib_MakeWire MW;
+ for (j = 1; j <= NbE; j++)
+ {
+ anEdge = TopoDS::Edge(SectionsEdges(i)(j));
+ MW.Add(anEdge);
+ }
+ if (!myClosedSection)
+ {
+ TopExp::Vertices(MW.Wire(), V1, V2);
+ anEdge = BRepLib_MakeEdge(V2, V1);
+ MW.Add(anEdge);
+ }
+ TopoDS_Wire aWire = MW.Wire();
+ BRepLib_MakeFace MF(aWire, Standard_True); //Only plane
+ if (MF.IsDone())
+ SecFaces(i) = MF.Face();
+ else
+ SecFaces(i) = aWire;
+ }
+
+ TColgp_Array1OfPnt Centers(1, NbSecFaces);
+ for (i = 1; i <= NbSecFaces; i++)
+ {
+ GProp_GProps Properties;
+ if (SecFaces(i).ShapeType() == TopAbs_FACE)
+ BRepGProp::SurfaceProperties(SecFaces(i), Properties);
+ else //wire
+ BRepGProp::LinearProperties(SecFaces(i), Properties);
+
+ Centers(i) = Properties.CentreOfMass();
+ }
+
+ TopTools_Array1OfShape MidEdges(1, NbSecFaces-1);
+ Standard_Real LinTol = 1.e-5;
+ Standard_Real AngTol = 1.e-7;
+ gp_Pnt Pnt1, Pnt2;
+ for (i = 1; i < NbSecFaces; i++)
+ {
+ GeomAbs_CurveType TypeOfMidEdge = GeomAbs_OtherCurve;
+ for (j = 1; j <= myPaths.Length(); j++)
+ {
+ const TopoDS_Shape& aShape = myPaths(j)(i);
+ if (aShape.ShapeType() == TopAbs_VERTEX)
+ {
+ TypeOfMidEdge = GeomAbs_OtherCurve;
+ break;
+ }
+ anEdge = TopoDS::Edge(aShape);
+ GeomAbs_CurveType aType = TypeOfEdge(anEdge);
+ if (j == 1)
+ TypeOfMidEdge = aType;
+ else
+ {
+ if (aType != TypeOfMidEdge)
+ {
+ TypeOfMidEdge = GeomAbs_OtherCurve;
+ break;
+ }
+ }
+ }
+ if (TypeOfMidEdge == GeomAbs_Line)
+ MidEdges(i) = BRepLib_MakeEdge(Centers(i), Centers(i+1));
+ else if (TypeOfMidEdge == GeomAbs_Circle)
+ {
+ gp_Ax1 theAxis;
+ gp_Dir theDir1, theDir2;
+ Standard_Real theAngle;
+ Standard_Boolean SimilarArcs = Standard_True;
+ for (j = 1; j <= myPaths.Length(); j++)
+ {
+ anEdge = TopoDS::Edge(myPaths(j)(i));
+ Standard_Real fpar, lpar;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
+ if (aCurve->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
+ aCurve = ((Handle(Geom_TrimmedCurve)&) aCurve)->BasisCurve();
+ Pnt1 = aCurve->Value(fpar);
+ Pnt2 = aCurve->Value(lpar);
+ Handle(Geom_Circle) aCircle = Handle(Geom_Circle)::DownCast(aCurve);
+ gp_Circ aCirc = aCircle->Circ();
+ if (j == 1)
+ {
+ theAxis = aCirc.Axis();
+ theDir1 = gp_Vec(aCirc.Location(), Pnt1);
+ theDir2 = gp_Vec(aCirc.Location(), Pnt2);
+ theAngle = lpar - fpar;
+ }
+ else
+ {
+ gp_Ax1 anAxis = aCirc.Axis();
+ gp_Lin aLin(anAxis);
+ if (!aLin.Contains(theAxis.Location(), LinTol) ||
+ !anAxis.IsParallel(theAxis, AngTol))
+ {
+ SimilarArcs = Standard_False;
+ break;
+ }
+ gp_Dir aDir1 = gp_Vec(aCirc.Location(), Pnt1);
+ gp_Dir aDir2 = gp_Vec(aCirc.Location(), Pnt2);
+ if (!(aDir1.IsEqual(theDir1, AngTol) && aDir2.IsEqual(theDir2, AngTol) ||
+ aDir1.IsEqual(theDir2, AngTol) && aDir2.IsEqual(theDir1, AngTol)))
+ {
+ SimilarArcs = Standard_False;
+ break;
+ }
+ }
+ }
+ if (SimilarArcs)
+ {
+ gp_XYZ AxisLoc = theAxis.Location().XYZ();
+ gp_XYZ AxisDir = theAxis.Direction().XYZ();
+ Standard_Real Parameter = (Centers(i).XYZ() - AxisLoc) * AxisDir;
+ gp_Pnt theCenterOfCirc(AxisLoc + Parameter*AxisDir);
+
+ gp_Vec Vec1(theCenterOfCirc, Centers(i));
+ gp_Vec Vec2(theCenterOfCirc, Centers(i+1));
+ /*
+ gp_Dir VecProd = Vec1 ^ Vec2;
+ if (theAxis.Direction() * VecProd < 0.)
+ theAxis.Reverse();
+ */
+
+ Standard_Real anAngle = Vec1.AngleWithRef(Vec2, theAxis.Direction());
+ if (anAngle < 0.)
+ anAngle += 2.*M_PI;
+ if (Abs(anAngle - theAngle) > AngTol)
+ theAxis.Reverse();
+ gp_Ax2 theAx2(theCenterOfCirc, theAxis.Direction(), Vec1);
+ Handle(Geom_Circle) theCircle = GC_MakeCircle(theAx2, Vec1.Magnitude());
+ MidEdges(i) = BRepLib_MakeEdge(theCircle, 0., theAngle);
+ }
+ }
+ }
+
+ //Build missed edges
+ for (i = 1; i < NbSecFaces; i++)
+ {
+ if (MidEdges(i).IsNull())
+ {
+ for (j = i+1; j < NbSecFaces; j++)
+ {
+ if (!MidEdges(j).IsNull())
+ break;
+ }
+ //from i to j-1 all edges are null
+ Handle(TColgp_HArray1OfPnt) thePoints = new TColgp_HArray1OfPnt(1, j-i+1);
+ TColgp_Array1OfVec theTangents(1, j-i+1);
+ Handle(TColStd_HArray1OfBoolean) theFlags = new TColStd_HArray1OfBoolean(1, j-i+1);
+ for (k = i; k <= j; k++)
+ thePoints->SetValue(k-i+1, Centers(k));
+ for (k = i; k <= j; k++)
+ {
+ TColgp_SequenceOfPnt PntSeq;
+ for (Standard_Integer indp = 1; indp <= myPaths.Length(); indp++)
+ {
+ gp_Vec aTangent;
+ if (k == i)
+ {
+ if (myPaths(indp)(k).ShapeType() == TopAbs_VERTEX)
+ continue;
+ aTangent = TangentOfEdge(myPaths(indp)(k), Standard_True); //at begin
+ }
+ else if (k == j)
+ {
+ if (myPaths(indp)(k-1).ShapeType() == TopAbs_VERTEX)
+ continue;
+ aTangent = TangentOfEdge(myPaths(indp)(k-1), Standard_False); //at end
+ }
+ else
+ {
+ if (myPaths(indp)(k-1).ShapeType() == TopAbs_VERTEX ||
+ myPaths(indp)(k).ShapeType() == TopAbs_VERTEX)
+ continue;
+ gp_Vec Tangent1 = TangentOfEdge(myPaths(indp)(k-1), Standard_False); //at end
+ gp_Vec Tangent2 = TangentOfEdge(myPaths(indp)(k), Standard_True); //at begin
+ aTangent = Tangent1 + Tangent2;
+ }
+ aTangent.Normalize();
+ gp_Pnt aPnt(aTangent.XYZ());
+ PntSeq.Append(aPnt);
+ }
+ TColgp_Array1OfPnt PntArray(1, PntSeq.Length());
+ for (Standard_Integer ip = 1; ip <= PntSeq.Length(); ip++)
+ PntArray(ip) = PntSeq(ip);
+ gp_Pnt theBary;
+ gp_Dir xdir, ydir;
+ Standard_Real xgap, ygap, zgap;
+ GeomLib::Inertia(PntArray, theBary, xdir, ydir, xgap, ygap, zgap);
+ gp_Vec theTangent(theBary.XYZ());
+ theTangents(k-i+1) = theTangent;
+ }
+ theFlags->Init(Standard_True);
+
+ GeomAPI_Interpolate Interpol(thePoints, Standard_False, LinTol);
+ Interpol.Load(theTangents, theFlags);
+ Interpol.Perform();
+ if (!Interpol.IsDone())
+ {
+ cout<<endl<<"Interpolation failed"<<endl;
+ }
+ Handle(Geom_Curve) InterCurve = Interpol.Curve();
+ MidEdges(i) = BRepLib_MakeEdge(InterCurve);
+ i = j;
+ }
+ }
+
+ BRepLib_MakeWire MakeFinalWire;
+ for (i = 1; i < NbSecFaces; i++)
+ if (!MidEdges(i).IsNull())
+ MakeFinalWire.Add(TopoDS::Edge(MidEdges(i)));
+
+ TopoDS_Wire FinalWire = MakeFinalWire.Wire();
+ myShape = MakeFinalWire.Wire();
+
+ //Temporary
+ /*
+ TopoDS_Compound aCompound, aCmp1, aCmp2;
+ BRep_Builder BB;
+ BB.MakeCompound(aCompound);
+ BB.MakeCompound(aCmp1);
+ BB.MakeCompound(aCmp2);
+ for (i = 1; i <= myPaths.Length(); i++)
+ {
+ TopoDS_Compound aCmp;
+ BB.MakeCompound(aCmp);
+ for (j = 1; j <= myPaths(i).Length(); j++)
+ BB.Add(aCmp, myPaths(i)(j));
+ BB.Add(aCmp1, aCmp);
+ }
+ for (i = 1; i <= SectionsEdges.Length(); i++)
+ {
+ TopoDS_Wire aWire;
+ BB.MakeWire(aWire);
+ for (j = 1; j <= SectionsEdges(i).Length(); j++)
+ BB.Add(aWire, SectionsEdges(i)(j));
+ BB.Add(aCmp2, aWire);
+ }
+ BB.Add(aCompound, aCmp1);
+ BB.Add(aCompound, aCmp2);
+ BB.Add(aCompound, FinalWire);
+
+ myShape = aCompound;
+ */
+ ////////////
+
+ Done();
+}
--- /dev/null
+// File: ShapeUpgrade_UnifySameDomain.cxx
+// Created: 09.06.12 14:35:07
+// Author: jgv@ROLEX
+// Copyright: Open CASCADE 2012
+
+#include <ShapeUpgrade_UnifySameDomain.ixx>
+#include <ShapeUpgrade_UnifySameDomain.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopExp_Explorer.hxx>
+#include <Geom_Surface.hxx>
+#include <Geom_Line.hxx>
+#include <gp_Dir.hxx>
+#include <Geom_CylindricalSurface.hxx>
+#include <gp_Cylinder.hxx>
+#include <Geom_SurfaceOfRevolution.hxx>
+#include <Geom_SurfaceOfLinearExtrusion.hxx>
+#include <gp_Lin.hxx>
+#include <Geom_Circle.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <TopoDS_Face.hxx>
+#include <BRep_Tool.hxx>
+#include <GeomAdaptor_HSurface.hxx>
+#include <BRepTopAdaptor_TopolTool.hxx>
+#include <IntPatch_ImpImpIntersection.hxx>
+#include <GeomLib_IsPlanarSurface.hxx>
+#include <BRep_Builder.hxx>
+#include <ShapeFix_Wire.hxx>
+#include <TopoDS.hxx>
+#include <ShapeAnalysis_Edge.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TColGeom_SequenceOfSurface.hxx>
+#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
+#include <BRep_TEdge.hxx>
+#include <BRep_CurveRepresentation.hxx>
+#include <TColGeom_Array1OfBSplineCurve.hxx>
+#include <TColGeom_HArray1OfBSplineCurve.hxx>
+#include <TColGeom2d_Array1OfBSplineCurve.hxx>
+#include <TColGeom2d_HArray1OfBSplineCurve.hxx>
+#include <TColStd_Array1OfReal.hxx>
+#include <TopExp.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <Geom2d_TrimmedCurve.hxx>
+#include <GeomConvert.hxx>
+#include <Geom2dConvert.hxx>
+#include <GeomConvert_CompCurveToBSplineCurve.hxx>
+#include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
+#include <TColGeom2d_SequenceOfBoundedCurve.hxx>
+#include <BRepLib_MakeEdge.hxx>
+#include <TColStd_MapOfInteger.hxx>
+#include <BRepLib.hxx>
+#include <GC_MakeCircle.hxx>
+#include <Geom_BezierCurve.hxx>
+#include <ShapeBuild_ReShape.hxx>
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <ShapeAnalysis_WireOrder.hxx>
+#include <ShapeBuild_Edge.hxx>
+#include <Geom2d_Line.hxx>
+#include <ShapeFix_Face.hxx>
+#include <TColGeom_HArray2OfSurface.hxx>
+#include <ShapeExtend_CompositeSurface.hxx>
+#include <ShapeFix_ComposeShell.hxx>
+#include <ShapeFix_SequenceOfWireSegment.hxx>
+#include <ShapeFix_WireSegment.hxx>
+#include <ShapeFix_Edge.hxx>
+#include <ShapeFix_Shell.hxx>
+#include <ShapeUpgrade_RemoveLocations.hxx>
+
+
+//=======================================================================
+//function : AddOrdinaryEdges
+//purpose : auxilary
+//=======================================================================
+// adds edges from the shape to the sequence
+// seams and equal edges are dropped
+// Returns true if one of original edges dropped
+static Standard_Boolean AddOrdinaryEdges(TopTools_SequenceOfShape& edges,
+ const TopoDS_Shape aShape,
+ Standard_Integer& anIndex)
+{
+ //map of edges
+ TopTools_IndexedMapOfShape aNewEdges;
+ //add edges without seams
+ for(TopExp_Explorer exp(aShape,TopAbs_EDGE); exp.More(); exp.Next()) {
+ TopoDS_Shape edge = exp.Current();
+ if(aNewEdges.Contains(edge))
+ {
+ //aNewEdges.Remove(edge);
+ TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent());
+ aNewEdges.RemoveLast();
+ if (aNewEdges.FindIndex(edge) != 0)
+ aNewEdges.Substitute(aNewEdges.FindIndex(edge), LastEdge);
+ /////////////////////////
+ }
+ else
+ aNewEdges.Add(edge);
+ }
+
+ Standard_Boolean isDropped = Standard_False;
+ //merge edges and drop seams
+ Standard_Integer i;
+ for (i = 1; i <= edges.Length(); i++) {
+ TopoDS_Shape current = edges(i);
+ if(aNewEdges.Contains(current)) {
+
+ //aNewEdges.Remove(current);
+ TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent());
+ aNewEdges.RemoveLast();
+ if (aNewEdges.FindIndex(current) != 0)
+ aNewEdges.Substitute(aNewEdges.FindIndex(current), LastEdge);
+ /////////////////////////
+ edges.Remove(i);
+ i--;
+
+ if(!isDropped) {
+ isDropped = Standard_True;
+ anIndex = i;
+ }
+ }
+ }
+
+ //add edges to the sequemce
+ for (i = 1; i <= aNewEdges.Extent(); i++)
+ edges.Append(aNewEdges(i));
+
+ return isDropped;
+}
+
+//=======================================================================
+//function : getCylinder
+//purpose : auxilary
+//=======================================================================
+static Standard_Boolean getCylinder(Handle(Geom_Surface)& theInSurface,
+ gp_Cylinder& theOutCylinder)
+{
+ Standard_Boolean isCylinder = Standard_False;
+
+ if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
+ Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface);
+
+ theOutCylinder = aGC->Cylinder();
+ isCylinder = Standard_True;
+ }
+ else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
+ Handle(Geom_SurfaceOfRevolution) aRS =
+ Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface);
+ Handle(Geom_Curve) aBasis = aRS->BasisCurve();
+ if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) {
+ Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis);
+ gp_Dir aDir = aRS->Direction();
+ gp_Dir aBasisDir = aBasisLine->Position().Direction();
+ if (aBasisDir.IsParallel(aDir, Precision::Angular())) {
+ // basis line is parallel to the revolution axis: it is a cylinder
+ gp_Pnt aLoc = aRS->Location();
+ Standard_Real aR = aBasisLine->Lin().Distance(aLoc);
+ gp_Ax3 aCylAx (aLoc, aDir);
+
+ theOutCylinder = gp_Cylinder(aCylAx, aR);
+ isCylinder = Standard_True;
+ }
+ }
+ }
+ else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) {
+ Handle(Geom_SurfaceOfLinearExtrusion) aLES =
+ Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface);
+ Handle(Geom_Curve) aBasis = aLES->BasisCurve();
+ if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) {
+ Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis);
+ gp_Dir aDir = aLES->Direction();
+ gp_Dir aBasisDir = aBasisCircle->Position().Direction();
+ if (aBasisDir.IsParallel(aDir, Precision::Angular())) {
+ // basis circle is normal to the extrusion axis: it is a cylinder
+ gp_Pnt aLoc = aBasisCircle->Location();
+ Standard_Real aR = aBasisCircle->Radius();
+ gp_Ax3 aCylAx (aLoc, aDir);
+
+ theOutCylinder = gp_Cylinder(aCylAx, aR);
+ isCylinder = Standard_True;
+ }
+ }
+ }
+ else {
+ }
+
+ return isCylinder;
+}
+
+//=======================================================================
+//function : ClearRts
+//purpose : auxilary
+//=======================================================================
+static Handle(Geom_Surface) ClearRts(const Handle(Geom_Surface)& aSurface)
+{
+ if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
+ Handle(Geom_RectangularTrimmedSurface) rts =
+ Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
+ return rts->BasisSurface();
+ }
+ return aSurface;
+}
+
+//=======================================================================
+//function : IsSameDomain
+//purpose :
+//=======================================================================
+static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace,
+ const TopoDS_Face& aCheckedFace)
+{
+ //checking the same handles
+ TopLoc_Location L1, L2;
+ Handle(Geom_Surface) S1, S2;
+
+ S1 = BRep_Tool::Surface(aFace,L1);
+ S2 = BRep_Tool::Surface(aCheckedFace,L2);
+
+ if (S1 == S2 && L1 == L2)
+ return Standard_True;
+
+ // planar and cylindrical cases (IMP 20052)
+ Standard_Real aPrec = Precision::Confusion();
+
+ S1 = BRep_Tool::Surface(aFace);
+ S2 = BRep_Tool::Surface(aCheckedFace);
+
+ S1 = ClearRts(S1);
+ S2 = ClearRts(S2);
+
+ //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2;
+ //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1);
+ //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2);
+ //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface();
+ //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface();
+
+ // case of two elementary surfaces: use OCCT tool
+ // elementary surfaces: ConicalSurface, CylindricalSurface,
+ // Plane, SphericalSurface and ToroidalSurface
+ if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) &&
+ S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface)))
+ {
+ Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1);
+ Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2);
+
+ Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool();
+ Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool();
+
+ try {
+ IntPatch_ImpImpIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec);
+ if (!anIIInt.IsDone() || anIIInt.IsEmpty())
+ return Standard_False;
+
+ return anIIInt.TangentFaces();
+ }
+ catch (Standard_Failure) {
+ return Standard_False;
+ }
+ }
+
+ // case of two planar surfaces:
+ // all kinds of surfaces checked, including b-spline and bezier
+ GeomLib_IsPlanarSurface aPlanarityChecker1 (S1, aPrec);
+ if (aPlanarityChecker1.IsPlanar()) {
+ GeomLib_IsPlanarSurface aPlanarityChecker2 (S2, aPrec);
+ if (aPlanarityChecker2.IsPlanar()) {
+ gp_Pln aPln1 = aPlanarityChecker1.Plan();
+ gp_Pln aPln2 = aPlanarityChecker2.Plan();
+
+ if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(),Precision::Angular()) &&
+ aPln1.Distance(aPln2) < aPrec) {
+ return Standard_True;
+ }
+ }
+ }
+
+ // case of two cylindrical surfaces, at least one of which is a swept surface
+ // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution
+ if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+ S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) &&
+ (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+ S2->IsKind(STANDARD_TYPE(Geom_SweptSurface))))
+ {
+ gp_Cylinder aCyl1, aCyl2;
+ if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) {
+ if (fabs(aCyl1.Radius() - aCyl2.Radius()) < aPrec) {
+ gp_Dir aDir1 = aCyl1.Position().Direction();
+ gp_Dir aDir2 = aCyl2.Position().Direction();
+ if (aDir1.IsParallel(aDir2, Precision::Angular())) {
+ gp_Pnt aLoc1 = aCyl1.Location();
+ gp_Pnt aLoc2 = aCyl2.Location();
+ gp_Vec aVec12 (aLoc1, aLoc2);
+ if (aVec12.SquareMagnitude() < aPrec*aPrec ||
+ aVec12.IsParallel(aDir1, Precision::Angular())) {
+ return Standard_True;
+ }
+ }
+ }
+ }
+ }
+
+ return Standard_False;
+}
+
+//=======================================================================
+//function : MovePCurves
+//purpose :
+//=======================================================================
+static void MovePCurves(TopoDS_Face& aTarget,
+ const TopoDS_Face& aSource)
+{
+ BRep_Builder B;
+ for(TopExp_Explorer wexp(aSource,TopAbs_WIRE);wexp.More();wexp.Next()) {
+ Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(TopoDS::Wire(wexp.Current()),
+ aTarget, Precision::Confusion());
+ sfw->FixReorder();
+ Standard_Boolean isReoredFailed = sfw->StatusReorder ( ShapeExtend_FAIL );
+ sfw->FixEdgeCurves();
+ if(isReoredFailed)
+ continue;
+
+ sfw->FixShifted();
+ sfw->FixDegenerated();
+
+ // remove degenerated edges from not degenerated points
+ ShapeAnalysis_Edge sae;
+ Handle(ShapeExtend_WireData) sewd = sfw->WireData();
+ for(Standard_Integer i = 1; i<=sewd->NbEdges();i++) {
+ TopoDS_Edge E = sewd->Edge(i);
+ if(BRep_Tool::Degenerated(E)&&!sae.HasPCurve(E,aTarget)) {
+ sewd->Remove(i);
+ i--;
+ }
+ }
+
+ TopoDS_Wire ResWire = sfw->Wire();
+ B.Add(aTarget,ResWire);
+ }
+}
+
+//=======================================================================
+//function : GlueEdgesWithPCurves
+//purpose : Glues the pcurves of the sequence of edges
+// and glues their 3d curves
+//=======================================================================
+static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain,
+ const TopoDS_Vertex& FirstVertex,
+ const TopoDS_Vertex& LastVertex)
+{
+ Standard_Integer i, j;
+
+ TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1));
+ //TColGeom2d_SequenceOfCurve PCurveSeq;
+ TColGeom_SequenceOfSurface SurfSeq;
+ //TopTools_SequenceOfShape LocSeq;
+
+ BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() );
+ for (; itr.More(); itr.Next())
+ {
+ Handle(BRep_CurveRepresentation) CurveRep = itr.Value();
+ if (CurveRep->IsCurveOnSurface())
+ {
+ //PCurveSeq.Append(CurveRep->PCurve());
+ SurfSeq.Append(CurveRep->Surface());
+ /*
+ TopoDS_Shape aLocShape;
+ aLocShape.Location(CurveRep->Location());
+ LocSeq.Append(aLocShape);
+ */
+ }
+ }
+
+ Standard_Real fpar, lpar;
+ BRep_Tool::Range(FirstEdge, fpar, lpar);
+ TopoDS_Edge PrevEdge = FirstEdge;
+ TopoDS_Vertex CV;
+ Standard_Real MaxTol = 0.;
+
+ TopoDS_Edge ResEdge;
+ BRep_Builder BB;
+
+ Standard_Integer nb_curve = aChain.Length(); //number of curves
+ TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves
+ TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances
+
+ TopoDS_Vertex PrevVertex = FirstVertex;
+ for (i = 1; i <= nb_curve; i++)
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(anEdge, VF, VL);
+ Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
+
+ Standard_Real Tol1 = BRep_Tool::Tolerance(VF);
+ Standard_Real Tol2 = BRep_Tool::Tolerance(VL);
+ if (Tol1 > MaxTol)
+ MaxTol = Tol1;
+ if (Tol2 > MaxTol)
+ MaxTol = Tol2;
+
+ if (i > 1)
+ {
+ TopExp::CommonVertex(PrevEdge, anEdge, CV);
+ Standard_Real Tol = BRep_Tool::Tolerance(CV);
+ tabtolvertex(i-2) = Tol;
+ }
+
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
+ Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar);
+ tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
+ GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion());
+ if (ToReverse)
+ tab_c3d(i-1)->Reverse();
+ PrevVertex = (ToReverse)? VF : VL;
+ PrevEdge = anEdge;
+ }
+ Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
+ Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
+ GeomConvert::ConcatC1(tab_c3d,
+ tabtolvertex,
+ ArrayOfIndices,
+ concatcurve,
+ Standard_False,
+ Precision::Confusion()); //C1 concatenation
+
+ if (concatcurve->Length() > 1)
+ {
+ GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
+
+ for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
+ Concat.Add( concatcurve->Value(i), MaxTol, Standard_True );
+
+ concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
+ }
+ Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower());
+
+ TColGeom2d_SequenceOfBoundedCurve ResPCurves;
+ TopLoc_Location aLoc;
+ for (j = 1; j <= SurfSeq.Length(); j++)
+ {
+ TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves
+
+ PrevVertex = FirstVertex;
+ PrevEdge = FirstEdge;
+ //TopLoc_Location theLoc = LocSeq(j).Location();
+ for (i = 1; i <= nb_curve; i++)
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(anEdge, VF, VL);
+ Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
+
+ /*
+ Handle(Geom2d_Curve) aPCurve =
+ BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), anEdge.Location()*theLoc, fpar, lpar);
+ */
+ Handle(Geom2d_Curve) aPCurve =
+ BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), aLoc, fpar, lpar);
+ Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar);
+ tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve);
+ Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion());
+ if (ToReverse)
+ tab_c2d(i-1)->Reverse();
+ PrevVertex = (ToReverse)? VF : VL;
+ PrevEdge = anEdge;
+ }
+ Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves
+ Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex
+ Geom2dConvert::ConcatC1(tab_c2d,
+ tabtolvertex,
+ ArrayOfInd2d,
+ concatc2d,
+ Standard_False,
+ Precision::Confusion()); //C1 concatenation
+
+ if (concatc2d->Length() > 1)
+ {
+ Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower()));
+
+ for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++)
+ Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True );
+
+ concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve());
+ }
+ Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower());
+ ResPCurves.Append(aResPCurve);
+ }
+
+ ResEdge = BRepLib_MakeEdge(ResCurve,
+ FirstVertex, LastVertex,
+ ResCurve->FirstParameter(), ResCurve->LastParameter());
+ BB.SameRange(ResEdge, Standard_False);
+ BB.SameParameter(ResEdge, Standard_False);
+ for (j = 1; j <= ResPCurves.Length(); j++)
+ {
+ BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), aLoc, MaxTol);
+ BB.Range(ResEdge, SurfSeq(j), aLoc, ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter());
+ }
+
+ BRepLib::SameParameter(ResEdge, MaxTol, Standard_True);
+
+ return ResEdge;
+}
+
+//=======================================================================
+//function : MergeEdges
+//purpose : auxilary
+//=======================================================================
+static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
+ const TopoDS_Face& aFace,
+ const Standard_Real Tol,
+ const Standard_Boolean ConcatBSplines,
+ TopoDS_Edge& anEdge)
+{
+ // make chain for union
+ BRep_Builder B;
+ ShapeAnalysis_Edge sae;
+ TopoDS_Edge FirstE = TopoDS::Edge(SeqEdges.Value(1));
+ TopoDS_Edge LastE = FirstE;
+ TopoDS_Vertex VF = sae.FirstVertex(FirstE);
+ TopoDS_Vertex VL = sae.LastVertex(LastE);
+ TopTools_SequenceOfShape aChain;
+ aChain.Append(FirstE);
+ TColStd_MapOfInteger IndUsedEdges;
+ IndUsedEdges.Add(1);
+ Standard_Integer j;
+ for (j = 1; j <= SeqEdges.Length(); j++)
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
+ if (BRep_Tool::Degenerated(anEdge))
+ return Standard_False;
+ }
+
+ for(j=2; j<=SeqEdges.Length(); j++) {
+ for(Standard_Integer k=2; k<=SeqEdges.Length(); k++) {
+ if(IndUsedEdges.Contains(k)) continue;
+ TopoDS_Edge edge = TopoDS::Edge(SeqEdges.Value(k));
+ TopoDS_Vertex VF2 = sae.FirstVertex(edge);
+ TopoDS_Vertex VL2 = sae.LastVertex(edge);
+ if(sae.FirstVertex(edge).IsSame(VL)) {
+ aChain.Append(edge);
+ LastE = edge;
+ VL = sae.LastVertex(LastE);
+ IndUsedEdges.Add(k);
+ }
+ else if(sae.LastVertex(edge).IsSame(VF)) {
+ aChain.Prepend(edge);
+ FirstE = edge;
+ VF = sae.FirstVertex(FirstE);
+ IndUsedEdges.Add(k);
+ }
+ }
+ }
+ if(aChain.Length()<SeqEdges.Length()) {
+#ifdef DEB
+ cout<<"can not create correct chain..."<<endl;
+#endif
+ return Standard_False;
+ }
+ // union edges in chain
+ // first step: union lines and circles
+ TopLoc_Location Loc;
+ Standard_Real fp1,lp1,fp2,lp2;
+ for(j=1; j<aChain.Length(); j++) {
+ TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j));
+ Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(edge1,Loc,fp1,lp1);
+ if(c3d1.IsNull()) break;
+ while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
+ Handle(Geom_TrimmedCurve) tc =
+ Handle(Geom_TrimmedCurve)::DownCast(c3d1);
+ c3d1 = tc->BasisCurve();
+ }
+ TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
+ Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(edge2,Loc,fp2,lp2);
+ if(c3d2.IsNull()) break;
+ while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
+ Handle(Geom_TrimmedCurve) tc =
+ Handle(Geom_TrimmedCurve)::DownCast(c3d2);
+ c3d2 = tc->BasisCurve();
+ }
+ if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) {
+ // union lines
+ Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1);
+ Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2);
+ gp_Dir Dir1 = L1->Position().Direction();
+ gp_Dir Dir2 = L2->Position().Direction();
+ //if(!Dir1.IsEqual(Dir2,Precision::Angular())) {
+ //if(!Dir1.IsParallel(Dir2,Precision::Angular())) {
+ if(!Dir1.IsParallel(Dir2,Tol)) {
+ continue;
+ }
+ // can union lines => create new edge
+ TopoDS_Vertex V1 = sae.FirstVertex(edge1);
+ gp_Pnt PV1 = BRep_Tool::Pnt(V1);
+ TopoDS_Vertex V2 = sae.LastVertex(edge2);
+ gp_Pnt PV2 = BRep_Tool::Pnt(V2);
+ gp_Vec Vec(PV1,PV2);
+ Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec));
+ Standard_Real dist = PV1.Distance(PV2);
+ Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist);
+ TopoDS_Edge E;
+ B.MakeEdge (E,tc,Precision::Confusion());
+ B.Add (E,V1); B.Add (E,V2);
+ B.UpdateVertex(V1, 0., E, 0.);
+ B.UpdateVertex(V2, dist, E, 0.);
+ //ShapeFix_Edge sfe;
+ //sfe.FixAddPCurve(E,aFace,Standard_False);
+ //sfe.FixSameParameter(E);
+ aChain.Remove(j);
+ aChain.SetValue(j,E);
+ j--;
+ }
+ if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) {
+ // union circles
+ Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1);
+ Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2);
+ gp_Pnt P01 = C1->Location();
+ gp_Pnt P02 = C2->Location();
+ if (P01.Distance(P02) > Precision::Confusion()) continue;
+ // can union circles => create new edge
+ TopoDS_Vertex V1 = sae.FirstVertex(edge1);
+ gp_Pnt PV1 = BRep_Tool::Pnt(V1);
+ TopoDS_Vertex V2 = sae.LastVertex(edge2);
+ gp_Pnt PV2 = BRep_Tool::Pnt(V2);
+ TopoDS_Vertex VM = sae.LastVertex(edge1);
+ gp_Pnt PVM = BRep_Tool::Pnt(VM);
+ GC_MakeCircle MC (PV1,PVM,PV2);
+ Handle(Geom_Circle) C = MC.Value();
+ TopoDS_Edge E;
+ if (!MC.IsDone() || C.IsNull()) {
+ // jfa for Mantis issue 0020228
+ if (PV1.Distance(PV2) > Precision::Confusion()) continue;
+ // closed chain
+ C = C1;
+ B.MakeEdge (E,C,Precision::Confusion());
+ B.Add(E,V1);
+ B.Add(E,V2);
+ }
+ else {
+ gp_Pnt P0 = C->Location();
+ gp_Dir D1(gp_Vec(P0,PV1));
+ gp_Dir D2(gp_Vec(P0,PV2));
+ Standard_Real fpar = C->XAxis().Direction().Angle(D1);
+ if(fabs(fpar)>Precision::Confusion()) {
+ // check orientation
+ gp_Dir ND = C->XAxis().Direction().Crossed(D1);
+ if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
+ fpar = -fpar;
+ }
+ }
+ Standard_Real lpar = C->XAxis().Direction().Angle(D2);
+ if(fabs(lpar)>Precision::Confusion()) {
+ // check orientation
+ gp_Dir ND = C->XAxis().Direction().Crossed(D2);
+ if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
+ lpar = -lpar;
+ }
+ }
+ if (lpar < fpar) lpar += 2*M_PI;
+ Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar);
+ B.MakeEdge (E,tc,Precision::Confusion());
+ B.Add(E,V1);
+ B.Add(E,V2);
+ B.UpdateVertex(V1, fpar, E, 0.);
+ B.UpdateVertex(V2, lpar, E, 0.);
+ }
+ aChain.Remove(j);
+ aChain.SetValue(j,E);
+ j--;
+ }
+ }
+ if (j < aChain.Length()) {
+#ifdef DEB
+ cout<<"null curve3d in edge..."<<endl;
+#endif
+ return Standard_False;
+ }
+ if (aChain.Length() > 1 && ConcatBSplines) {
+ // second step: union edges with various curves
+ // skl for bug 0020052 from Mantis: perform such unions
+ // only if curves are bspline or bezier
+ bool NeedUnion = true;
+ for(j=1; j<=aChain.Length(); j++) {
+ TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
+ Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1);
+ if(c3d.IsNull()) continue;
+ while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
+ Handle(Geom_TrimmedCurve) tc =
+ Handle(Geom_TrimmedCurve)::DownCast(c3d);
+ c3d = tc->BasisCurve();
+ }
+ if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) ||
+ c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue;
+ NeedUnion = false;
+ break;
+ }
+ if(NeedUnion) {
+#ifdef DEB
+ cout<<"can not make analitical union => make approximation"<<endl;
+#endif
+ TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL);
+ /*
+ TopoDS_Wire W;
+ B.MakeWire(W);
+ for(j=1; j<=aChain.Length(); j++) {
+ TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
+ B.Add(W,edge);
+ }
+ Handle(BRepAdaptor_HCompCurve) Adapt = new BRepAdaptor_HCompCurve(W);
+ Approx_Curve3d Conv(Adapt,Tol,GeomAbs_C1,9,1000);
+ Handle(Geom_BSplineCurve) bc = Conv.Curve();
+ TopoDS_Edge E;
+ B.MakeEdge (E,bc,Precision::Confusion());
+ B.Add (E,VF);
+ B.Add (E,VL);
+ */
+ aChain.SetValue(1,E);
+ }
+ else {
+#ifdef DEB
+ cout<<"can not make approximation for such types of curves"<<endl;
+#endif
+ return Standard_False;
+ }
+ }
+
+ anEdge = TopoDS::Edge(aChain.Value(1));
+ return Standard_True;
+}
+
+//=======================================================================
+//function : ShapeUpgrade_UnifySameDomain
+//purpose : Constructor
+//=======================================================================
+
+ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain()
+{
+ myUnifyEdges = Standard_True;
+ myUnifyFaces = Standard_True;
+ myConcatBSplines = Standard_False;
+
+ myContext = new ShapeBuild_ReShape;
+}
+
+//=======================================================================
+//function : ShapeUpgrade_UnifySameDomain
+//purpose : Constructor
+//=======================================================================
+
+ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape,
+ const Standard_Boolean UnifyEdges,
+ const Standard_Boolean UnifyFaces,
+ const Standard_Boolean ConcatBSplines)
+{
+ myInitShape = aShape;
+ myShape = aShape;
+ myUnifyEdges = UnifyEdges;
+ myUnifyFaces = UnifyFaces;
+ myConcatBSplines = ConcatBSplines;
+
+ myContext = new ShapeBuild_ReShape;
+}
+
+//=======================================================================
+//function : Initialize
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape,
+ const Standard_Boolean UnifyEdges,
+ const Standard_Boolean UnifyFaces,
+ const Standard_Boolean ConcatBSplines)
+{
+ myInitShape = aShape;
+ myShape = aShape;
+ myUnifyEdges = UnifyEdges;
+ myUnifyFaces = UnifyFaces;
+ myConcatBSplines = ConcatBSplines;
+
+ myContext->Clear();
+ //myOldNewMap.Clear();
+ //myGenerated.Clear();
+}
+
+//=======================================================================
+//function : UnifyFaces
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::UnifyFaces()
+{
+ //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
+ TopoDS_Shape aResShape = myContext->Apply(myShape);
+
+ // processing each shell
+ TopExp_Explorer exps;
+ for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) {
+ TopoDS_Shell aShell = TopoDS::Shell(exps.Current());
+
+ // creating map of edge faces
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
+ TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
+
+ // map of processed shapes
+ TopTools_MapOfShape aProcessed;
+
+ //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
+
+ Standard_Integer NbModif = 0;
+ Standard_Boolean hasFailed = Standard_False;
+ Standard_Real tol = Precision::Confusion();
+
+ // count faces
+ Standard_Integer nbf = 0;
+ TopExp_Explorer exp;
+ TopTools_MapOfShape mapF;
+ for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
+ if (mapF.Add(exp.Current()))
+ nbf++;
+ }
+
+ // processing each face
+ mapF.Clear();
+ for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
+ TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD));
+
+ if (aProcessed.Contains(aFace))
+ continue;
+
+ Standard_Integer dummy;
+ TopTools_SequenceOfShape edges;
+ AddOrdinaryEdges(edges,aFace,dummy);
+
+ TopTools_SequenceOfShape faces;
+ faces.Append(aFace);
+
+ //surface and location to construct result
+ TopLoc_Location aBaseLocation;
+ Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation);
+ aBaseSurface = ClearRts(aBaseSurface);
+
+ // find adjacent faces to union
+ Standard_Integer i;
+ for (i = 1; i <= edges.Length(); i++) {
+ TopoDS_Edge edge = TopoDS::Edge(edges(i));
+ if (BRep_Tool::Degenerated(edge))
+ continue;
+
+ const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
+ TopTools_ListIteratorOfListOfShape anIter(aList);
+ for (; anIter.More(); anIter.Next()) {
+ TopoDS_Face anCheckedFace = TopoDS::Face(anIter.Value().Oriented(TopAbs_FORWARD));
+ if (anCheckedFace.IsSame(aFace))
+ continue;
+
+ if (aProcessed.Contains(anCheckedFace))
+ continue;
+
+ if (IsSameDomain(aFace,anCheckedFace)) {
+
+ if (aList.Extent() != 2) {
+ // non mainfold case is not processed
+ continue;
+ }
+
+ // replacing pcurves
+ TopoDS_Face aMockUpFace;
+ BRep_Builder B;
+ B.MakeFace(aMockUpFace,aBaseSurface,aBaseLocation,0.);
+ MovePCurves(aMockUpFace,anCheckedFace);
+
+ if (AddOrdinaryEdges(edges,aMockUpFace,dummy)) {
+ // sequence edges is modified
+ i = dummy;
+ }
+
+ faces.Append(anCheckedFace);
+ aProcessed.Add(anCheckedFace);
+ break;
+ }
+ }
+ }
+
+ // all faces collected in the sequence. Perform union of faces
+ if (faces.Length() > 1) {
+ NbModif++;
+ TopoDS_Face aResult;
+ BRep_Builder B;
+ B.MakeFace(aResult,aBaseSurface,aBaseLocation,0);
+ Standard_Integer nbWires = 0;
+
+ // connecting wires
+ while (edges.Length()>0) {
+
+ Standard_Boolean isEdge3d = Standard_False;
+ nbWires++;
+ TopTools_MapOfShape aVertices;
+ TopoDS_Wire aWire;
+ B.MakeWire(aWire);
+
+ TopoDS_Edge anEdge = TopoDS::Edge(edges(1));
+ edges.Remove(1);
+
+ isEdge3d |= !BRep_Tool::Degenerated(anEdge);
+ B.Add(aWire,anEdge);
+ TopoDS_Vertex V1,V2;
+ TopExp::Vertices(anEdge,V1,V2);
+ aVertices.Add(V1);
+ aVertices.Add(V2);
+
+ Standard_Boolean isNewFound = Standard_False;
+ do {
+ isNewFound = Standard_False;
+ for(Standard_Integer j = 1; j <= edges.Length(); j++) {
+ anEdge = TopoDS::Edge(edges(j));
+ TopExp::Vertices(anEdge,V1,V2);
+ if(aVertices.Contains(V1) || aVertices.Contains(V2)) {
+ isEdge3d |= !BRep_Tool::Degenerated(anEdge);
+ aVertices.Add(V1);
+ aVertices.Add(V2);
+ B.Add(aWire,anEdge);
+ edges.Remove(j);
+ j--;
+ isNewFound = Standard_True;
+ }
+ }
+ } while (isNewFound);
+
+ // sorting any type of edges
+ //aWire = TopoDS::Wire(aContext->Apply(aWire));
+ aWire = TopoDS::Wire(myContext->Apply(aWire));
+
+ //TopoDS_Face tmpF = TopoDS::Face(aContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
+ TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
+ Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion());
+ sfw->FixReorder();
+ Standard_Boolean isDegRemoved = Standard_False;
+ if(!sfw->StatusReorder ( ShapeExtend_FAIL )) {
+ // clear degenerated edges if at least one with 3d curve exist
+ if(isEdge3d) {
+ Handle(ShapeExtend_WireData) sewd = sfw->WireData();
+ for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) {
+ TopoDS_Edge E = sewd->Edge(j);
+ if(BRep_Tool::Degenerated(E)) {
+ sewd->Remove(j);
+ isDegRemoved = Standard_True;
+ j--;
+ }
+ }
+ }
+ sfw->FixShifted();
+ if(isDegRemoved)
+ sfw->FixDegenerated();
+ }
+ TopoDS_Wire aWireFixed = sfw->Wire();
+ //aContext->Replace(aWire,aWireFixed);
+ myContext->Replace(aWire,aWireFixed);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aWire))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aWire, EmptyList);
+ }
+ myOldNewMap(aWire).Clear();
+ myOldNewMap(aWire).Append(aWireFixed);
+ */
+ /////////////
+
+ // add resulting wire
+ if(isEdge3d) {
+ B.Add(aResult,aWireFixed);
+ }
+ else {
+ // sorting edges
+ Handle(ShapeExtend_WireData) sbwd = sfw->WireData();
+ Standard_Integer nbEdges = sbwd->NbEdges();
+ // sort degenerated edges and create one edge instead of several ones
+ ShapeAnalysis_WireOrder sawo(Standard_False, 0);
+ ShapeAnalysis_Edge sae;
+ Standard_Integer aLastEdge = nbEdges;
+ for(Standard_Integer j = 1; j <= nbEdges; j++) {
+ Standard_Real f,l;
+ //smh protection on NULL pcurve
+ Handle(Geom2d_Curve) c2d;
+ if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) {
+ aLastEdge--;
+ continue;
+ }
+ sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
+ }
+ sawo.Perform();
+
+ // constructind one degenerative edge
+ gp_XY aStart, anEnd, tmp;
+ Standard_Integer nbFirst = sawo.Ordered(1);
+ TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD));
+ ShapeBuild_Edge sbe;
+ TopoDS_Vertex aDummyV;
+ TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV);
+ sawo.XY(nbFirst,aStart,tmp);
+ sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd);
+
+ gp_XY aVec = anEnd-aStart;
+ Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart));
+
+ B.UpdateEdge(E,aLine,tmpF,0.);
+ B.Range(E,tmpF,0.,aVec.Modulus());
+ Handle(Geom_Curve) C3d;
+ B.UpdateEdge(E,C3d,0.);
+ B.Degenerated(E,Standard_True);
+ TopoDS_Wire aW;
+ B.MakeWire(aW);
+ B.Add(aW,E);
+ B.Add(aResult,aW);
+ }
+ }
+
+ // perform substitution of face
+ //aContext->Replace(aContext->Apply(aFace),aResult);
+ myContext->Replace(myContext->Apply(aFace),aResult);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aFace))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aFace, EmptyList);
+ }
+ myOldNewMap(aFace).Clear();
+ myOldNewMap(aFace).Append(aResult);
+ */
+ /////////////
+
+ ShapeFix_Face sff (aResult);
+ //Intializing by tolerances
+ sff.SetPrecision(Precision::Confusion());
+ sff.SetMinTolerance(tol);
+ sff.SetMaxTolerance(1.);
+ //Setting modes
+ sff.FixOrientationMode() = 0;
+ //sff.FixWireMode() = 0;
+ //sff.SetContext(aContext);
+ sff.SetContext(myContext);
+ // Applying the fixes
+ sff.Perform();
+ if(sff.Status(ShapeExtend_FAIL))
+ hasFailed = Standard_True;
+
+ // breaking down to several faces
+ //TopoDS_Shape theResult = aContext->Apply(aResult);
+ TopoDS_Shape theResult = myContext->Apply(aResult);
+ for (TopExp_Explorer aFaceExp (theResult,TopAbs_FACE); aFaceExp.More(); aFaceExp.Next()) {
+ TopoDS_Face aCurrent = TopoDS::Face(aFaceExp.Current().Oriented(TopAbs_FORWARD));
+ Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 );
+ grid->SetValue ( 1, 1, aBaseSurface );
+ Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid );
+ ShapeFix_ComposeShell CompShell;
+ CompShell.Init ( G, aBaseLocation, aCurrent, ::Precision::Confusion() );//myPrecision
+ //CompShell.SetContext( aContext );
+ CompShell.SetContext( myContext );
+
+ TopTools_SequenceOfShape parts;
+ ShapeFix_SequenceOfWireSegment wires;
+ for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) {
+ Handle(ShapeExtend_WireData) sbwd =
+ new ShapeExtend_WireData ( TopoDS::Wire(W_Exp.Current() ));
+ ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED );
+ wires.Append(seg);
+ }
+
+ CompShell.DispatchWires ( parts,wires );
+ for (Standard_Integer j=1; j <= parts.Length(); j++ ) {
+ ShapeFix_Face aFixOrient(TopoDS::Face(parts(j)));
+ //aFixOrient.SetContext(aContext);
+ aFixOrient.SetContext(myContext);
+ aFixOrient.FixOrientation();
+ }
+
+ TopoDS_Shape CompRes;
+ if ( faces.Length() !=1 ) {
+ TopoDS_Shell S;
+ B.MakeShell ( S );
+ for ( i=1; i <= parts.Length(); i++ )
+ B.Add ( S, parts(i) );
+ CompRes = S;
+ }
+ else CompRes = parts(1);
+
+ //aContext->Replace(aCurrent,CompRes);
+ myContext->Replace(aCurrent,CompRes);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aCurrent))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aCurrent, EmptyList);
+ }
+ myOldNewMap(aCurrent).Clear();
+ myOldNewMap(aCurrent).Append(CompRes);
+ */
+ /////////////
+ }
+
+ // remove the remaining faces
+ for(i = 2; i <= faces.Length(); i++)
+ //aContext->Remove(faces(i));
+ myContext->Remove(faces(i));
+ }
+ } // end processing each face
+
+ //TopoDS_Shape aResult = Shape;
+ if (NbModif > 0 && !hasFailed) {
+ //TopoDS_Shape aResult = aContext->Apply(aShell);
+ TopoDS_Shape aResult = myContext->Apply(aShell);
+
+ ShapeFix_Edge sfe;
+ for (exp.Init(aResult,TopAbs_EDGE); exp.More(); exp.Next()) {
+ TopoDS_Edge E = TopoDS::Edge(exp.Current());
+ sfe.FixVertexTolerance (E);
+ // ptv add fix same parameter
+ sfe.FixSameParameter(E, Precision::Confusion());
+ }
+
+ myContext->Replace(aShell, aResult);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aShell))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aShell, EmptyList);
+ }
+ myOldNewMap(aShell).Clear();
+ myOldNewMap(aShell).Append(aResult);
+ */
+ /////////////
+ }
+ //else
+ {
+ for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
+ TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD));
+ Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
+ sfw->SetContext(myContext);
+ sfw->SetPrecision(Precision::Confusion());
+ sfw->SetMinTolerance(Precision::Confusion());
+ sfw->SetMaxTolerance(1.);
+ sfw->SetFace(aFace);
+ for (TopoDS_Iterator iter (aFace,Standard_False); iter.More(); iter.Next()) {
+ TopoDS_Wire wire = TopoDS::Wire(iter.Value());
+ sfw->Load(wire);
+ sfw->FixReorder();
+ sfw->FixShifted();
+ }
+ }
+ }
+ } // end processing each shell
+
+ myShape = myContext->Apply(myShape);
+}
+
+//=======================================================================
+//function : UnifyEdges
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::UnifyEdges()
+{
+ Standard_Real Tol = Precision::Confusion();
+
+ //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
+ Standard_Real myTolerance = Precision::Confusion();
+ TopoDS_Shape aResult = myContext->Apply(myShape);
+
+ // processing each solid
+ TopAbs_ShapeEnum aType = TopAbs_SOLID;
+ TopExp_Explorer exps (myShape, aType);
+ if (!exps.More()) {
+ aType = TopAbs_SHELL;
+ exps.Init(myShape, aType);
+ }
+ for (; exps.More(); exps.Next()) {
+ //TopoDS_Solid aSolid = TopoDS::Solid(exps.Current());
+ TopoDS_Shape aSolid = exps.Current();
+
+ TopTools_IndexedMapOfShape ChangedFaces;
+
+ // creating map of edge faces
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
+ TopExp::MapShapesAndAncestors(aSolid, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
+
+ //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
+ TopoDS_Shape aRes = aSolid;
+ //aRes = aContext->Apply(aSolid);
+ aRes = myContext->Apply(aSolid);
+
+ // processing each face
+ TopExp_Explorer exp;
+ for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) {
+ //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
+ TopoDS_Face aFace = TopoDS::Face(myContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
+ TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges;
+
+ for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) {
+ TopoDS_Edge edge = TopoDS::Edge(expe.Current());
+ if (!aMapEdgeFaces.Contains(edge)) continue;
+ const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
+ TopTools_ListIteratorOfListOfShape anIter(aList);
+ for ( ; anIter.More(); anIter.Next()) {
+ TopoDS_Face face = TopoDS::Face(anIter.Value());
+ //TopoDS_Face face1 = TopoDS::Face(aContext->Apply(anIter.Value()));
+ TopoDS_Face face1 = TopoDS::Face(myContext->Apply(anIter.Value()));
+ if (face1.IsSame(aFace)) continue;
+ if (aMapFacesEdges.Contains(face)) {
+ aMapFacesEdges.ChangeFromKey(face).Append(edge);
+ }
+ else {
+ TopTools_ListOfShape ListEdges;
+ ListEdges.Append(edge);
+ aMapFacesEdges.Add(face,ListEdges);
+ }
+ }
+ }
+
+ for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) {
+ const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i);
+ TopTools_SequenceOfShape SeqEdges;
+ TopTools_ListIteratorOfListOfShape anIter(ListEdges);
+ for ( ; anIter.More(); anIter.Next()) {
+ SeqEdges.Append(anIter.Value());
+ }
+ if (SeqEdges.Length()==1) continue;
+ TopoDS_Edge E;
+ if ( MergeEdges(SeqEdges,aFace,Tol,myConcatBSplines,E) ) {
+ // now we have only one edge - aChain.Value(1)
+ // we have to replace old ListEdges with this new edge
+ //aContext->Replace(SeqEdges(1),E);
+ myContext->Replace(SeqEdges(1),E);
+ Standard_Integer j;
+ for (j = 2; j <= SeqEdges.Length(); j++) {
+ //aContext->Remove(SeqEdges(j));
+ myContext->Remove(SeqEdges(j));
+ //myOldNewMap.Bind(SeqEdges(j), E);
+ }
+ //for history
+ /*
+ for (j = 1; j <= SeqEdges.Length(); j++)
+ {
+ if (!myOldNewMap.IsBound(SeqEdges(j)))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(SeqEdges(j), EmptyList);
+ }
+ myOldNewMap(SeqEdges(j)).Clear();
+ myOldNewMap(SeqEdges(j)).Append(E);
+ }
+ */
+ /////////////
+
+ TopoDS_Face tmpF = TopoDS::Face(exp.Current());
+ if ( !ChangedFaces.Contains(tmpF) )
+ ChangedFaces.Add(tmpF);
+ tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i));
+ if ( !ChangedFaces.Contains(tmpF) )
+ ChangedFaces.Add(tmpF);
+ }
+ }
+
+ } // end processing each face
+
+ // fix changed faces and replace them in the local context
+ for (Standard_Integer i=1; i<=ChangedFaces.Extent(); i++) {
+ //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(ChangedFaces.FindKey(i)));
+ TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i)));
+ Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFace);
+ sff->SetContext(myContext);
+ sff->SetPrecision(myTolerance);
+ sff->SetMinTolerance(myTolerance);
+ sff->SetMaxTolerance(Max(1.,myTolerance*1000.));
+ sff->Perform();
+ TopoDS_Shape aNewFace = sff->Face();
+ //aContext->Replace(aFace,aNewFace);
+ myContext->Replace(aFace,aNewFace);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aFace))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aFace, EmptyList);
+ }
+ myOldNewMap(aFace).Clear();
+ myOldNewMap(aFace).Append(aNewFace);
+ */
+ /////////////
+ }
+
+ if (ChangedFaces.Extent() > 0) {
+ // fix changed shell and replace it in the local context
+ //TopoDS_Shape aRes1 = aContext->Apply(aRes);
+ TopoDS_Shape aRes1 = myContext->Apply(aRes);
+ TopExp_Explorer expsh;
+ for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) {
+ TopoDS_Shell aShell = TopoDS::Shell(expsh.Current());
+ Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell;
+ sfsh->FixFaceOrientation(aShell);
+ TopoDS_Shape aNewShell = sfsh->Shell();
+ //aContext->Replace(aShell,aNewShell);
+ myContext->Replace(aShell,aNewShell);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aShell))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aShell, EmptyList);
+ }
+ myOldNewMap(aShell).Clear();
+ myOldNewMap(aShell).Append(aNewShell);
+ */
+ /////////////
+ }
+ //TopoDS_Shape aRes2 = aContext->Apply(aRes1);
+ TopoDS_Shape aRes2 = myContext->Apply(aRes1);
+ // put new solid into global context
+ myContext->Replace(aSolid,aRes2);
+ //for history
+ /*
+ if (!myOldNewMap.IsBound(aSolid))
+ {
+ TopTools_ListOfShape EmptyList;
+ myOldNewMap.Bind(aSolid, EmptyList);
+ }
+ myOldNewMap(aSolid).Clear();
+ myOldNewMap(aSolid).Append(aRes2);
+ */
+ /////////////
+ }
+
+ } // end processing each solid
+
+ myShape = myContext->Apply(myShape);
+}
+
+//=======================================================================
+//function : UnifyFacesAndEdges
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::UnifyFacesAndEdges()
+{
+ UnifyFaces();
+
+ /*
+ ShapeUpgrade_RemoveLocations RemLoc;
+ RemLoc.Remove(myShape);
+ myShape = RemLoc.GetResult();
+ */
+
+ UnifyEdges();
+}
+
+//=======================================================================
+//function : Build
+//purpose : builds the resulting shape
+//======================================================================
+void ShapeUpgrade_UnifySameDomain::Build()
+{
+ if (myUnifyFaces && myUnifyEdges)
+ UnifyFacesAndEdges();
+
+ else if (myUnifyEdges)
+ UnifyEdges();
+ else if (myUnifyFaces)
+ UnifyFaces();
+
+ //Done();
+}
+
+//=======================================================================
+//function : Shape
+//purpose : give the resulting shape
+//=======================================================================
+const TopoDS_Shape& ShapeUpgrade_UnifySameDomain::Shape() const
+{
+ return myShape;
+}
+
+//=======================================================================
+//function : Generated
+//purpose : returns the new shape from the old one
+//=======================================================================
+TopoDS_Shape ShapeUpgrade_UnifySameDomain::Generated(const TopoDS_Shape& aShape) const
+{
+ TopoDS_Shape aNewShape = myContext->Apply(aShape);
+ /*
+ if (aNewShape.IsNull())
+ aNewShape = myOldNewMap(aShape);
+ */
+
+ return aNewShape;
+}