#include <BRep_Builder.hxx>
-#include <BRep_CurveRepresentation.hxx>
-#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
-#include <BRep_TEdge.hxx>
#include <BRep_Tool.hxx>
#include <BRepLib.hxx>
#include <BRepLib_MakeEdge.hxx>
+#include <BRepLib_MakeFace.hxx>
#include <BRepTopAdaptor_TopolTool.hxx>
#include <GC_MakeCircle.hxx>
#include <Geom2d_Line.hxx>
+#include <GCE2d_MakeLine.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <Geom2dConvert.hxx>
#include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
#include <Geom_ElementarySurface.hxx>
#include <Geom_Line.hxx>
#include <Geom_OffsetSurface.hxx>
+#include <Geom_Plane.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_Surface.hxx>
#include <Geom_SurfaceOfLinearExtrusion.hxx>
#include <ShapeAnalysis_WireOrder.hxx>
#include <ShapeBuild_Edge.hxx>
#include <ShapeBuild_ReShape.hxx>
-#include <ShapeExtend_CompositeSurface.hxx>
-#include <ShapeFix_ComposeShell.hxx>
#include <ShapeFix_Edge.hxx>
#include <ShapeFix_Face.hxx>
-#include <ShapeFix_SequenceOfWireSegment.hxx>
#include <ShapeFix_Shell.hxx>
#include <ShapeFix_Wire.hxx>
-#include <ShapeFix_WireSegment.hxx>
-#include <ShapeUpgrade_RemoveLocations.hxx>
#include <ShapeUpgrade_UnifySameDomain.hxx>
#include <Standard_Type.hxx>
#include <TColGeom2d_Array1OfBSplineCurve.hxx>
#include <TColGeom2d_HArray1OfBSplineCurve.hxx>
#include <TColGeom2d_SequenceOfBoundedCurve.hxx>
+#include <TColGeom2d_SequenceOfCurve.hxx>
#include <TColGeom_Array1OfBSplineCurve.hxx>
#include <TColGeom_HArray1OfBSplineCurve.hxx>
-#include <TColGeom_HArray2OfSurface.hxx>
#include <TColGeom_SequenceOfSurface.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_MapOfInteger.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <gp_Circ.hxx>
#include <BRepAdaptor_Curve.hxx>
-#include <BRepClass_FaceClassifier.hxx>
+#include <BRepAdaptor_Curve2d.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <gp_Vec2d.hxx>
+#include <Extrema_ExtPS.hxx>
+#include <BRepTools.hxx>
+#include <BRepTopAdaptor_FClass2d.hxx>
-IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_UnifySameDomain,MMgt_TShared)
+IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_UnifySameDomain,Standard_Transient)
struct SubSequenceOfEdges
{
TopoDS_Edge UnionEdges;
};
+static Standard_Real TrueValueOfOffset(const Standard_Real theValue,
+ const Standard_Real thePeriod)
+{
+ if (theValue > 0.)
+ return thePeriod;
+
+ return (-thePeriod);
+}
+
+//=======================================================================
+//function : UpdateBoundaries
+//purpose : auxilary
+//=======================================================================
+static void UpdateBoundaries(const Handle(Geom2d_Curve)& thePCurve,
+ const Standard_Real theFirst,
+ const Standard_Real theLast,
+ Standard_Real& theUfirst,
+ Standard_Real& theUlast)
+{
+ const Standard_Integer NbSamples = 4;
+ Standard_Real Delta = (theLast - theFirst)/NbSamples;
+
+ for (Standard_Integer i = 0; i <= NbSamples; i++)
+ {
+ Standard_Real aParam = theFirst + i*Delta;
+ gp_Pnt2d aPoint = thePCurve->Value(aParam);
+ if (aPoint.X() < theUfirst)
+ theUfirst = aPoint.X();
+ if (aPoint.X() > theUlast)
+ theUlast = aPoint.X();
+ }
+}
+
+static void RemoveEdgeFromMap(const TopoDS_Edge& theEdge,
+ TopTools_IndexedDataMapOfShapeListOfShape& theVEmap)
+{
+ TopoDS_Vertex VV [2];
+ TopExp::Vertices(theEdge, VV[0], VV[1]);
+ for (Standard_Integer i = 0; i < 2; i++)
+ {
+ TopTools_ListOfShape& Elist = theVEmap.ChangeFromKey(VV[i]);
+ TopTools_ListIteratorOfListOfShape itl(Elist);
+ while (itl.More())
+ {
+ const TopoDS_Shape& anEdge = itl.Value();
+ if (anEdge.IsSame(theEdge))
+ Elist.Remove(itl);
+ else
+ itl.Next();
+ }
+ }
+}
+
+static Standard_Real ComputeMinEdgeSize(const TopTools_SequenceOfShape& theEdges,
+ const TopoDS_Face& theRefFace,
+ TopTools_MapOfShape& theEdgesMap)
+{
+ Standard_Real MinSize = RealLast();
+
+ for (Standard_Integer ind = 1; ind <= theEdges.Length(); ind++)
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(theEdges(ind));
+ theEdgesMap.Add(anEdge);
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(anEdge, V1, V2);
+ BRepAdaptor_Curve2d BAcurve2d(anEdge, theRefFace);
+ gp_Pnt2d FirstP2d = BAcurve2d.Value(BAcurve2d.FirstParameter());
+ gp_Pnt2d LastP2d = BAcurve2d.Value(BAcurve2d.LastParameter());
+ Standard_Real aSqDist;
+ if (V1.IsSame(V2) &&
+ !BRep_Tool::Degenerated(anEdge))
+ {
+ gp_Pnt2d MidP2d = BAcurve2d.Value((BAcurve2d.FirstParameter()+BAcurve2d.LastParameter())/2);
+ aSqDist = FirstP2d.SquareDistance(MidP2d);
+ }
+ else
+ aSqDist = FirstP2d.SquareDistance(LastP2d);
+ if (aSqDist < MinSize)
+ MinSize = aSqDist;
+ }
+ MinSize = Sqrt(MinSize);
+ return MinSize;
+}
+
+static void FindFaceWithMaxUbound(const TopTools_SequenceOfShape& theFaces,
+ const TopoDS_Face& theRefFace,
+ const TopTools_MapOfShape& theEdgesMap,
+ Standard_Real& theUmax,
+ Standard_Integer& theIndFaceMax)
+{
+ theUmax = RealFirst();
+ theIndFaceMax = 0;
+ for (Standard_Integer ii = 1; ii <= theFaces.Length(); ii++)
+ {
+ const TopoDS_Face& face_ii = TopoDS::Face(theFaces(ii));
+ Standard_Real Ufirst = RealLast(), Ulast = RealFirst();
+ TopExp_Explorer Explo(face_ii, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current());
+ if (!theEdgesMap.Contains(anEdge))
+ continue;
+ Standard_Real fpar, lpar;
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, theRefFace, fpar, lpar);
+ UpdateBoundaries(aPCurve, fpar, lpar, Ufirst, Ulast);
+ }
+ if (Ulast > theUmax)
+ {
+ theUmax = Ulast;
+ theIndFaceMax = ii;
+ }
+ }
+}
+
+static void RelocatePCurvesToNewUorigin(const TopTools_SequenceOfShape& theEdges,
+ const TopoDS_Shape& theFirstFace,
+ const TopoDS_Face& theRefFace,
+ const Standard_Real theCoordTol,
+ const Standard_Real theUperiod,
+ TopTools_IndexedDataMapOfShapeListOfShape& theVEmap,
+ NCollection_DataMap<TopoDS_Shape, Handle(Geom2d_Curve)>& theEdgeNewPCurve,
+ TopTools_MapOfShape& theUsedEdges)
+{
+ TopTools_MapOfShape EdgesOfFirstFace;
+ TopExp::MapShapes(theFirstFace, EdgesOfFirstFace);
+
+ for (;;) //walk by contours
+ {
+ //try to find the start edge that:
+ //1. belongs to outer edges of first face;
+ //2. has minimum U-coord of its start point
+ TopoDS_Edge StartEdge;
+ TopAbs_Orientation anOr = TopAbs_FORWARD;
+ Standard_Real anUmin = RealLast();
+ for (Standard_Integer ii = 1; ii <= theEdges.Length(); ii++)
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(theEdges(ii));
+ if (theUsedEdges.Contains(anEdge))
+ continue;
+ if (EdgesOfFirstFace.Contains(anEdge))
+ {
+ if (StartEdge.IsNull())
+ {
+ StartEdge = anEdge;
+ BRepAdaptor_Curve2d StartBAcurve(StartEdge, theRefFace);
+ Standard_Real aFirstParam, aLastParam;
+ if (StartEdge.Orientation() == TopAbs_FORWARD)
+ {
+ aFirstParam = StartBAcurve.FirstParameter();
+ aLastParam = StartBAcurve.LastParameter();
+ }
+ else
+ {
+ aFirstParam = StartBAcurve.LastParameter();
+ aLastParam = StartBAcurve.FirstParameter();
+ }
+ gp_Pnt2d aFirstPoint = StartBAcurve.Value(aFirstParam);
+ gp_Pnt2d aLastPoint = StartBAcurve.Value(aLastParam);
+ if (aFirstPoint.X() < aLastPoint.X())
+ {
+ anUmin = aFirstPoint.X();
+ anOr = TopAbs_FORWARD;
+ }
+ else
+ {
+ anUmin = aLastPoint.X();
+ anOr = TopAbs_REVERSED;
+ }
+ }
+ else
+ {
+ BRepAdaptor_Curve2d aBAcurve(anEdge, theRefFace);
+ Standard_Real aFirstParam, aLastParam;
+ if (anEdge.Orientation() == TopAbs_FORWARD)
+ {
+ aFirstParam = aBAcurve.FirstParameter();
+ aLastParam = aBAcurve.LastParameter();
+ }
+ else
+ {
+ aFirstParam = aBAcurve.LastParameter();
+ aLastParam = aBAcurve.FirstParameter();
+ }
+ gp_Pnt2d aFirstPoint = aBAcurve.Value(aFirstParam);
+ gp_Pnt2d aLastPoint = aBAcurve.Value(aLastParam);
+ if (aFirstPoint.X() < anUmin)
+ {
+ StartEdge = anEdge;
+ anUmin = aFirstPoint.X();
+ anOr = TopAbs_FORWARD;
+ }
+ if (aLastPoint.X() < anUmin)
+ {
+ StartEdge = anEdge;
+ anUmin = aLastPoint.X();
+ anOr = TopAbs_REVERSED;
+ }
+ }
+ } //if (EdgesOfFirstFace.Contains(anEdge))
+ } //for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+
+ if (StartEdge.IsNull()) //all contours are passed
+ break;
+
+ TopoDS_Vertex StartVertex = (anOr == TopAbs_FORWARD)?
+ TopExp::FirstVertex(StartEdge, Standard_True) : TopExp::LastVertex(StartEdge, Standard_True);
+ TopoDS_Edge CurEdge = StartEdge;
+ Standard_Real fpar, lpar;
+ Handle(Geom2d_Curve) CurPCurve = BRep_Tool::CurveOnSurface(CurEdge, theRefFace, fpar, lpar);
+ CurPCurve = new Geom2d_TrimmedCurve(CurPCurve, fpar, lpar);
+ theEdgeNewPCurve.Bind(CurEdge, CurPCurve);
+ if (CurEdge.Orientation() == TopAbs_REVERSED)
+ { Standard_Real tmp = fpar; fpar = lpar; lpar = tmp; }
+ //Standard_Real StartParam = (anOr == TopAbs_FORWARD)? fpar : lpar;
+ Standard_Real CurParam = (anOr == TopAbs_FORWARD)? lpar : fpar;
+ //gp_Pnt2d StartPoint = CurPCurve->Value(StartParam);
+ gp_Pnt2d CurPoint = CurPCurve->Value(CurParam);
+ for (;;) //collect pcurves of a contour
+ {
+ RemoveEdgeFromMap(CurEdge, theVEmap);
+ theUsedEdges.Add(CurEdge);
+ TopoDS_Vertex CurVertex = (anOr == TopAbs_FORWARD)?
+ TopExp::LastVertex(CurEdge, Standard_True) : TopExp::FirstVertex(CurEdge, Standard_True);
+
+ const TopTools_ListOfShape& Elist = theVEmap.FindFromKey(CurVertex);
+ if (Elist.IsEmpty())
+ break; //end of contour in 3d
+
+ TopTools_ListIteratorOfListOfShape itl(Elist);
+ for (; itl.More(); itl.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itl.Value());
+ if (anEdge.IsSame(CurEdge))
+ continue;
+ TopoDS_Vertex aFirstVertex = (anOr == TopAbs_FORWARD)?
+ TopExp::FirstVertex(anEdge, Standard_True) : TopExp::LastVertex(anEdge, Standard_True);
+ if (!aFirstVertex.IsSame(CurVertex)) //may be if CurVertex is deg.vertex
+ continue;
+
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, theRefFace, fpar, lpar);
+ aPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar);
+ if (anEdge.Orientation() == TopAbs_REVERSED)
+ { Standard_Real tmp = fpar; fpar = lpar; lpar = tmp; }
+ Standard_Real aParam = (anOr == TopAbs_FORWARD)? fpar : lpar;
+ gp_Pnt2d aPoint = aPCurve->Value(aParam);
+ Standard_Real anOffset = CurPoint.X() - aPoint.X();
+ if (!(Abs(anOffset) < theCoordTol ||
+ Abs(Abs(anOffset) - theUperiod) < theCoordTol))
+ continue; //may be if CurVertex is deg.vertex
+
+ if (Abs(anOffset) > theUperiod/2)
+ {
+ anOffset = TrueValueOfOffset(anOffset, theUperiod);
+ gp_Vec2d aVec(anOffset, 0.);
+ Handle(Geom2d_Curve) aNewPCurve = Handle(Geom2d_Curve)::DownCast(aPCurve->Copy());
+ aNewPCurve->Translate(aVec);
+ aPCurve = aNewPCurve;
+ }
+ theEdgeNewPCurve.Bind(anEdge, aPCurve);
+ CurEdge = anEdge;
+ TopAbs_Orientation CurOr = TopAbs::Compose(anOr, CurEdge.Orientation());
+ CurParam = (CurOr == TopAbs_FORWARD)?
+ aPCurve->LastParameter() : aPCurve->FirstParameter();
+ CurPoint = aPCurve->Value(CurParam);
+ break;
+ }
+ } //for (;;) (collect pcurves of a contour)
+ } //for (;;) (walk by contours)
+}
+
+static void InsertWiresIntoFaces(const TopTools_SequenceOfShape& theWires,
+ const TopTools_SequenceOfShape& theFaces,
+ const TopoDS_Face& theRefFace)
+{
+ BRep_Builder BB;
+ for (Standard_Integer ii = 1; ii <= theWires.Length(); ii++)
+ {
+ const TopoDS_Wire& aWire = TopoDS::Wire(theWires(ii));
+ TopoDS_Iterator iter(aWire);
+ const TopoDS_Edge& anEdge = TopoDS::Edge(iter.Value());
+ BRepAdaptor_Curve2d BAcurve2d(anEdge, theRefFace);
+ gp_Pnt2d aPnt2d = BAcurve2d.Value((BAcurve2d.FirstParameter() + BAcurve2d.LastParameter())/2.);
+ TopoDS_Shape RequiredFace;
+ for (Standard_Integer jj = 1; jj <= theFaces.Length(); jj++)
+ {
+ const TopoDS_Face& aFace = TopoDS::Face(theFaces(jj));
+ BRepTopAdaptor_FClass2d Classifier(aFace, Precision::Confusion());
+ TopAbs_State aStatus = Classifier.Perform(aPnt2d);
+ if (aStatus == TopAbs_IN)
+ {
+ RequiredFace = aFace.Oriented (TopAbs_FORWARD);
+ break;
+ }
+ }
+ if (!RequiredFace.IsNull())
+ {
+ BB.Add(RequiredFace, aWire);
+ }
+ else
+ {
+ Standard_ASSERT_INVOKE ("ShapeUpgrade_UnifySameDomain: wire remains unclassified");
+ }
+ }
+}
+
+static TopoDS_Face FindCommonFace(const TopoDS_Edge& theEdge1,
+ const TopoDS_Edge& theEdge2,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap,
+ TopAbs_Orientation& theOrOfE1OnFace,
+ TopAbs_Orientation& theOrOfE2OnFace)
+{
+ TopoDS_Vertex aVertex;
+ TopExp::CommonVertex(theEdge1, theEdge2, aVertex);
+ const TopTools_ListOfShape& Flist = theVFmap.FindFromKey(aVertex);
+ TopTools_ListIteratorOfListOfShape itl(Flist);
+ for (; itl.More(); itl.Next())
+ {
+ TopoDS_Face aFace = TopoDS::Face(itl.Value());
+ aFace.Orientation(TopAbs_FORWARD);
+ Standard_Boolean e1found = Standard_False, e2found = Standard_False;
+ TopExp_Explorer Explo(aFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Shape& anEdge = Explo.Current();
+ if (anEdge.IsSame(theEdge1))
+ {
+ e1found = Standard_True;
+ theOrOfE1OnFace = anEdge.Orientation();
+ }
+ if (anEdge.IsSame(theEdge2))
+ {
+ e2found = Standard_True;
+ theOrOfE2OnFace = anEdge.Orientation();
+ }
+ if (e1found && e2found)
+ return aFace;
+ }
+ }
+
+ TopoDS_Face NullFace;
+ return NullFace;
+}
+
+static Standard_Boolean FindClosestPoints(const TopoDS_Edge& theEdge1,
+ const TopoDS_Edge& theEdge2,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap,
+ TopoDS_Face& theCommonFace,
+ Standard_Real& theMinSqDist,
+ TopAbs_Orientation& OrOfE1OnFace,
+ TopAbs_Orientation& OrOfE2OnFace,
+ Standard_Integer& theIndOnE1,
+ Standard_Integer& theIndOnE2,
+ gp_Pnt2d* PointsOnEdge1,
+ gp_Pnt2d* PointsOnEdge2)
+
+{
+ theCommonFace = FindCommonFace(theEdge1, theEdge2, theVFmap, OrOfE1OnFace, OrOfE2OnFace);
+ if (theCommonFace.IsNull())
+ return Standard_False;
+
+ Standard_Real fpar1, lpar1, fpar2, lpar2;
+ Handle(Geom2d_Curve) PCurve1 = BRep_Tool::CurveOnSurface(theEdge1, theCommonFace, fpar1, lpar1);
+ Handle(Geom2d_Curve) PCurve2 = BRep_Tool::CurveOnSurface(theEdge2, theCommonFace, fpar2, lpar2);
+ PointsOnEdge1[0] = PCurve1->Value(fpar1);
+ PointsOnEdge1[1] = PCurve1->Value(lpar1);
+ PointsOnEdge2[0] = PCurve2->Value(fpar2);
+ PointsOnEdge2[1] = PCurve2->Value(lpar2);
+ theMinSqDist = RealLast();
+ theIndOnE1 = -1;
+ theIndOnE2 = -1;
+ for (Standard_Integer ind1 = 0; ind1 < 2; ind1++)
+ for (Standard_Integer ind2 = 0; ind2 < 2; ind2++)
+ {
+ Standard_Real aSqDist = PointsOnEdge1[ind1].SquareDistance(PointsOnEdge2[ind2]);
+ if (aSqDist < theMinSqDist)
+ {
+ theMinSqDist = aSqDist;
+ theIndOnE1 = ind1; theIndOnE2 = ind2;
+ }
+ }
+ return Standard_True;
+}
+
+//=======================================================================
+//function : ReconstructMissedSeam
+//purpose : auxilary
+//=======================================================================
+static void ReconstructMissedSeam(const TopTools_SequenceOfShape& theEdges,
+ const TopTools_MapOfShape& theUsedEdges,
+ const TopoDS_Face& theFrefFace,
+ const TopoDS_Vertex& theCurVertex,
+ const gp_Pnt2d& theCurPoint,
+ const Standard_Real theUperiod,
+ const Standard_Real theFaceUmin,
+ const Standard_Real theCoordTol,
+ TopoDS_Edge& theNextEdge,
+ TopoDS_Wire& theNewWire,
+ gp_Pnt2d& theNextPoint,
+ gp_Pnt2d& theStartOfNextEdge,
+ TopoDS_Vertex& theLastVertexOfSeam,
+ TopTools_IndexedDataMapOfShapeListOfShape& theVEmap)
+
+{
+ Handle(Geom_Surface) RefSurf = BRep_Tool::Surface(theFrefFace);
+ GeomAbs_Shape aContinuity = (RefSurf->IsUPeriodic())? GeomAbs_CN : GeomAbs_C0;
+
+ Standard_Real Ydir = 1.; //up
+ if (Abs(theCurPoint.X() - theFaceUmin) <= theCoordTol)
+ Ydir = -1.; //down
+
+ //Consider as the candidate to be next edge:
+ //only the edge that has first point with X-coordinate close to X-coordinate of theCurPoint
+ //Choose from candidates the edge that is closest to theCurPoint in the defined direction Ydir
+ Standard_Real MinDeltaY = RealLast();
+ for (Standard_Integer ind = 1; ind <= theEdges.Length(); ind++)
+ {
+ const TopoDS_Edge& aCandidate = TopoDS::Edge(theEdges(ind));
+ if (theUsedEdges.Contains(aCandidate))
+ continue;
+ BRepAdaptor_Curve2d BAcurve2d(aCandidate, theFrefFace);
+ Standard_Real CandParam = (aCandidate.Orientation() == TopAbs_FORWARD)?
+ BAcurve2d.FirstParameter() : BAcurve2d.LastParameter();
+ gp_Pnt2d CandPoint = BAcurve2d.Value(CandParam);
+ Standard_Real DeltaX = Abs(CandPoint.X() - theCurPoint.X());
+ if (DeltaX > theCoordTol)
+ continue;
+
+ Standard_Real DeltaY = CandPoint.Y() - theCurPoint.Y();
+ DeltaY *= Ydir;
+ if (DeltaY < 0.) //on the other side from CurPoint
+ continue;
+ if (DeltaY < MinDeltaY)
+ {
+ MinDeltaY = DeltaY;
+ theNextEdge = aCandidate;
+ theStartOfNextEdge = CandPoint;
+ }
+ }
+
+ //Build missed seam edge
+ theLastVertexOfSeam = TopExp::FirstVertex(theNextEdge, Standard_True); //with orientation
+ Standard_Real CurTol = BRep_Tool::Tolerance(theCurVertex);
+ Standard_Real LastTol = BRep_Tool::Tolerance(theLastVertexOfSeam);
+ Standard_Real anU = (CurTol < LastTol)? theCurPoint.X() : theStartOfNextEdge.X();
+ Handle(Geom_Curve) Uiso = RefSurf->UIso(anU);
+ TopoDS_Vertex V1, V2;
+ Standard_Real Param1, Param2;
+ if (Ydir > 0)
+ {
+ V1 = theCurVertex; V2 = theLastVertexOfSeam;
+ Param1 = theCurPoint.Y(); Param2 = theStartOfNextEdge.Y();
+ }
+ else
+ {
+ V1 = theLastVertexOfSeam; V2 = theCurVertex;
+ Param1 = theStartOfNextEdge.Y(); Param2 = theCurPoint.Y();
+ }
+ TopoDS_Edge MissedSeam = BRepLib_MakeEdge(Uiso, V1, V2, Param1, Param2);
+ Standard_Real Vorigin = 0.;
+ //Correct Param1 and Param2 if needed:
+ //when Uiso-curve is periodic and Param1 and Param2 do not fit into V-range of surface,
+ //BRepLib_MakeEdge may shift Param1 and Param2
+ Standard_Real InitialParam1 = Param1, InitialParam2 = Param2;
+ Handle(Geom_Curve) MissedCurve = BRep_Tool::Curve(MissedSeam, Param1, Param2);
+ if ((Param1 != InitialParam1 || Param2 != InitialParam2) &&
+ MissedCurve->IsPeriodic())
+ {
+ //Vorigin = -(MissedCurve->Period());
+ Vorigin = -(Param1 - InitialParam1);
+ }
+ /////////////////////////////////////
+ Handle(Geom2d_Line) PC1 = new Geom2d_Line(gp_Pnt2d(anU, Vorigin), gp_Dir2d(0., 1.));
+ gp_Vec2d Offset(theUperiod, 0.);
+ if (Ydir > 0)
+ Offset *= -1;
+ Handle(Geom2d_Curve) PC2 = Handle(Geom2d_Curve)::DownCast(PC1->Copy());
+ PC2->Translate(Offset);
+
+ BRep_Builder BB;
+ if (Ydir > 0)
+ BB.UpdateEdge(MissedSeam, PC1, PC2, theFrefFace, 0.);
+ else
+ BB.UpdateEdge(MissedSeam, PC2, PC1, theFrefFace, 0.);
+ BB.Continuity(MissedSeam, theFrefFace, theFrefFace, aContinuity);
+ if (Ydir < 0)
+ MissedSeam.Reverse();
+
+ BB.Add(theNewWire, MissedSeam);
+ //add newly created edge into VEmap
+ MissedSeam.Reverse();
+ TopExp::MapShapesAndUniqueAncestors(MissedSeam, TopAbs_VERTEX, TopAbs_EDGE, theVEmap);
+
+ BRepAdaptor_Curve2d BAcurve2d(theNextEdge, theFrefFace);
+ Standard_Real ParamOfNextPoint = (theNextEdge.Orientation() == TopAbs_FORWARD)?
+ BAcurve2d.LastParameter() : BAcurve2d.FirstParameter();
+ theNextPoint = BAcurve2d.Value(ParamOfNextPoint);
+}
+
+//=======================================================================
+//function : TransformPCurves
+//purpose : auxilary
+//=======================================================================
+static void TransformPCurves(const TopoDS_Face& theRefFace,
+ const TopoDS_Face& theFace,
+ TopTools_MapOfShape& theMapEdgesWithTemporaryPCurves)
+{
+ BRepAdaptor_Surface BAsurf(theFace, Standard_False);
+
+ Standard_Real Uperiod = 0., Vperiod = 0.;
+ Handle(Geom_Surface) RefSurf = BRep_Tool::Surface(theRefFace);
+ if (RefSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)))
+ RefSurf = (Handle(Geom_RectangularTrimmedSurface)::DownCast(RefSurf))->BasisSurface();
+ if (RefSurf->IsUPeriodic())
+ Uperiod = RefSurf->UPeriod();
+ if (RefSurf->IsVPeriodic())
+ Vperiod = RefSurf->VPeriod();
+
+ GeomAdaptor_Surface RefGAsurf(RefSurf);
+
+ Standard_Real Ufirst = BAsurf.FirstUParameter(),
+ Ulast = BAsurf.LastUParameter(),
+ Vfirst = BAsurf.FirstVParameter(),
+ Vlast = BAsurf.LastVParameter();
+
+ Standard_Real u_mid = (Ufirst + Ulast)/2, v_mid = (Vfirst + Vlast)/2;
+ gp_Pnt MidPoint = BAsurf.Value(u_mid, v_mid);
+ Extrema_ExtPS ProjPS(MidPoint, RefGAsurf,
+ Precision::PConfusion(), Precision::PConfusion());
+ Standard_Integer indmin = 1;
+ for (Standard_Integer iext = 2; iext <= ProjPS.NbExt(); iext++)
+ if (ProjPS.SquareDistance(iext) < ProjPS.SquareDistance(indmin))
+ indmin = iext;
+
+ Standard_Real uu, vv;
+ ProjPS.Point(indmin).Parameter(uu,vv);
+ //Check uu and vv
+ if (Abs(u_mid + Uperiod - uu) <= Precision::PConfusion())
+ uu = u_mid;
+ if (Abs(u_mid - uu) <= Precision::PConfusion())
+ uu = u_mid;
+ if (Abs(v_mid + Vperiod - vv) <= Precision::PConfusion())
+ vv = v_mid;
+ if (Abs(v_mid - vv) <= Precision::PConfusion())
+ vv = v_mid;
+ gp_Vec2d Translation(uu - u_mid, vv - v_mid);
+
+ Standard_Boolean X_Reverse = Standard_False, Y_Reverse = Standard_False;
+ Standard_Real u_dx, v_dx, u_dy, v_dy;
+
+ Standard_Real Delta = (Precision::IsInfinite(Ufirst) || Precision::IsInfinite(Ulast))?
+ 1. : (Ulast - Ufirst)/4;
+ Standard_Real Offset = (Uperiod == 0.)? Delta : Min(Uperiod/8, Delta);
+ Standard_Real u1 = u_mid + Offset, v1 = v_mid;
+ gp_Pnt DX = BAsurf.Value(u1, v1);
+ ProjPS.Perform(DX);
+ indmin = 1;
+ for (Standard_Integer iext = 2; iext <= ProjPS.NbExt(); iext++)
+ if (ProjPS.SquareDistance(iext) < ProjPS.SquareDistance(indmin))
+ indmin = iext;
+
+ ProjPS.Point(indmin).Parameter(u_dx, v_dx);
+ if (Uperiod != 0. &&
+ Abs(uu - u_dx) > Uperiod/2)
+ {
+ if (uu < Uperiod/2 &&
+ u_dx > Uperiod/2)
+ X_Reverse = Standard_True;
+ }
+ else if (u_dx < uu)
+ X_Reverse = Standard_True;
+
+ Delta = (Precision::IsInfinite(Vfirst) || Precision::IsInfinite(Vlast))?
+ 1. : (Vlast - Vfirst)/4;
+ Offset = (Vperiod == 0.)? Delta : Min(Vperiod/8, Delta);
+ Standard_Real u2 = u_mid, v2 = v_mid + Offset;
+ gp_Pnt DY = BAsurf.Value(u2, v2);
+ ProjPS.Perform(DY);
+ indmin = 1;
+ for (Standard_Integer iext = 2; iext <= ProjPS.NbExt(); iext++)
+ if (ProjPS.SquareDistance(iext) < ProjPS.SquareDistance(indmin))
+ indmin = iext;
+
+ ProjPS.Point(indmin).Parameter(u_dy, v_dy);
+ if (Vperiod != 0. &&
+ Abs(vv - v_dy) > Vperiod/2)
+ {
+ if (vv < Vperiod/2 &&
+ v_dy > Vperiod/2)
+ Y_Reverse = Standard_True;
+ }
+ else if (v_dy < vv)
+ Y_Reverse = Standard_True;
+
+ gp_Trsf2d aTrsf;
+ if (X_Reverse && Y_Reverse)
+ aTrsf.SetMirror(gp::Origin2d());
+ else if (X_Reverse)
+ aTrsf.SetMirror(gp::OY2d());
+ else if (Y_Reverse)
+ aTrsf.SetMirror(gp::OX2d());
+
+ aTrsf.SetTranslationPart(Translation);
+
+ BRep_Builder BB;
+ TopExp_Explorer Explo(theFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current());
+ if (BRep_Tool::Degenerated(anEdge) &&
+ aTrsf.Form() != gp_Identity)
+ continue;
+ if (BRepTools::IsReallyClosed(anEdge, theFace))
+ continue;
+
+ Standard_Real fpar, lpar;
+ Handle(Geom2d_Curve) PCurveOnRef = BRep_Tool::CurveOnSurface(anEdge, theRefFace, fpar, lpar);
+ if (!PCurveOnRef.IsNull())
+ continue;
+
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, fpar, lpar);
+ Handle(Geom2d_Curve) aNewPCurve = Handle(Geom2d_Curve)::DownCast(aPCurve->Copy());
+ if (aTrsf.Form() != gp_Identity)
+ aNewPCurve->Transform(aTrsf);
+
+ Standard_Real tmp_first, tmp_last;
+ Handle(Geom2d_Curve) aPCurveOnRefFace = BRep_Tool::CurveOnSurface(anEdge, theRefFace,
+ tmp_first, tmp_last);
+ if (aPCurveOnRefFace.IsNull())
+ theMapEdgesWithTemporaryPCurves.Add(anEdge);
+
+ BB.UpdateEdge(anEdge, aNewPCurve, theRefFace, 0.);
+ BB.Range(anEdge, fpar, lpar);
+ }
+}
+
+//=======================================================================
+//function : AddPCurves
+//purpose : auxilary
+//=======================================================================
+static void AddPCurves(const TopTools_SequenceOfShape& theFaces,
+ const TopoDS_Face& theRefFace,
+ TopTools_MapOfShape& theMapEdgesWithTemporaryPCurves)
+{
+ BRepAdaptor_Surface RefBAsurf(theRefFace, Standard_False);
+
+ GeomAbs_SurfaceType aType = RefBAsurf.GetType();
+ if (aType == GeomAbs_Plane)
+ return;
+
+ for (Standard_Integer i = 1; i <= theFaces.Length(); i++)
+ {
+ const TopoDS_Face& aFace = TopoDS::Face(theFaces(i));
+ if (aFace.IsSame(theRefFace))
+ continue;
+
+ TransformPCurves(theRefFace, aFace, theMapEdgesWithTemporaryPCurves);
+ }
+}
//=======================================================================
//function : AddOrdinaryEdges
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);
- /////////////////////////
- }
+ aNewEdges.RemoveKey(edge);
else
aNewEdges.Add(edge);
}
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);
- /////////////////////////
+ aNewEdges.RemoveKey(current);
edges.Remove(i);
i--;
}
}
- //add edges to the sequemce
+ //add edges to the sequence
for (i = 1; i <= aNewEdges.Extent(); i++)
edges.Append(aNewEdges(i));
return aSurface;
}
+//=======================================================================
+//function : GetNormalToSurface
+//purpose : Gets the normal to surface by the given parameter on edge.
+// Returns True if normal was computed.
+//=======================================================================
+static Standard_Boolean GetNormalToSurface(const TopoDS_Face& theFace,
+ const TopoDS_Edge& theEdge,
+ const Standard_Real theP,
+ gp_Dir& theNormal)
+{
+ Standard_Real f, l;
+ // get 2d curve to get point in 2d
+ const Handle(Geom2d_Curve)& aC2d = BRep_Tool::CurveOnSurface(theEdge, theFace, f, l);
+ if (aC2d.IsNull()) {
+ return Standard_False;
+ }
+ //
+ // 2d point
+ gp_Pnt2d aP2d;
+ aC2d->D0(theP, aP2d);
+ //
+ // get D1
+ gp_Vec aDU, aDV;
+ gp_Pnt aP3d;
+ TopLoc_Location aLoc;
+ const Handle(Geom_Surface)& aS = BRep_Tool::Surface(theFace, aLoc);
+ aS->D1(aP2d.X(), aP2d.Y(), aP3d, aDU, aDV);
+ //
+ // compute normal
+ gp_Vec aVNormal = aDU.Crossed(aDV);
+ if (aVNormal.Magnitude() < Precision::Confusion()) {
+ return Standard_False;
+ }
+ //
+ if (theFace.Orientation() == TopAbs_REVERSED) {
+ aVNormal.Reverse();
+ }
+ //
+ aVNormal.Transform(aLoc.Transformation());
+ theNormal = gp_Dir(aVNormal);
+ return Standard_True;
+}
+
//=======================================================================
//function : IsSameDomain
//purpose :
//=======================================================================
static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace,
- const TopoDS_Face& aCheckedFace)
+ const TopoDS_Face& aCheckedFace,
+ const Standard_Real theLinTol,
+ const Standard_Real theAngTol)
{
//checking the same handles
TopLoc_Location L1, 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);
//if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface();
//if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface();
+ // case of two planar surfaces:
+ // all kinds of surfaces checked, including b-spline and bezier
+ GeomLib_IsPlanarSurface aPlanarityChecker1(S1, theLinTol);
+ if (aPlanarityChecker1.IsPlanar()) {
+ GeomLib_IsPlanarSurface aPlanarityChecker2(S2, theLinTol);
+ if (aPlanarityChecker2.IsPlanar()) {
+ gp_Pln aPln1 = aPlanarityChecker1.Plan();
+ gp_Pln aPln2 = aPlanarityChecker2.Plan();
+
+ if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(), theAngTol) &&
+ aPln1.Distance(aPln2) < theLinTol) {
+ return Standard_True;
+ }
+ }
+ }
+
// case of two elementary surfaces: use OCCT tool
// elementary surfaces: ConicalSurface, CylindricalSurface,
// Plane, SphericalSurface and ToroidalSurface
Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool();
try {
- IntPatch_ImpImpIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec);
+ IntPatch_ImpImpIntersection anIIInt(aGA1, aTT1, aGA2, aTT2, theLinTol, theLinTol);
if (!anIIInt.IsDone() || anIIInt.IsEmpty())
return Standard_False;
return anIIInt.TangentFaces();
}
- catch (Standard_Failure) {
+ catch (Standard_Failure const&) {
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)) ||
{
gp_Cylinder aCyl1, aCyl2;
if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) {
- if (fabs(aCyl1.Radius() - aCyl2.Radius()) < aPrec) {
+ if (fabs(aCyl1.Radius() - aCyl2.Radius()) < theLinTol) {
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 ||
+ if (aVec12.SquareMagnitude() < theLinTol*theLinTol ||
aVec12.IsParallel(aDir1, Precision::Angular())) {
return Standard_True;
}
}
//=======================================================================
-//function : MovePCurves
+//function : UpdateMapOfShapes
//purpose :
//=======================================================================
-static void MovePCurves(TopoDS_Face& aTarget,
- const TopoDS_Face& aSource)
+static void UpdateMapOfShapes(TopTools_MapOfShape& theMapOfShapes,
+ Handle(ShapeBuild_ReShape)& theContext)
{
- 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);
+ for (TopTools_MapIteratorOfMapOfShape it(theMapOfShapes); it.More(); it.Next()) {
+ const TopoDS_Shape& aShape = it.Value();
+ TopoDS_Shape aContextShape = theContext->Apply(aShape);
+ if (!aContextShape.IsSame(aShape))
+ theMapOfShapes.Add(aContextShape);
}
}
Standard_Integer i, j;
TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1));
- //TColGeom2d_SequenceOfCurve PCurveSeq;
TColGeom_SequenceOfSurface SurfSeq;
- //TopTools_SequenceOfShape LocSeq;
+ NCollection_Sequence<TopLoc_Location> LocSeq;
- BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() );
- for (; itr.More(); itr.Next())
+ for (int aCurveIndex = 0;; aCurveIndex++)
{
- 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);
- */
- }
+ Handle(Geom2d_Curve) aCurve;
+ Handle(Geom_Surface) aSurface;
+ TopLoc_Location aLocation;
+ Standard_Real aFirst, aLast;
+ BRep_Tool::CurveOnSurface (FirstEdge, aCurve, aSurface, aLocation, aFirst, aLast, aCurveIndex);
+ if (aCurve.IsNull())
+ break;
+
+ SurfSeq.Append(aSurface);
+ LocSeq.Append(aLocation);
}
Standard_Real fpar, lpar;
}
Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
+ Standard_Boolean closed_flag = Standard_False;
GeomConvert::ConcatC1(tab_c3d,
tabtolvertex,
ArrayOfIndices,
concatcurve,
- Standard_False,
+ closed_flag,
Precision::Confusion()); //C1 concatenation
if (concatcurve->Length() > 1)
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));
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);
+ BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), LocSeq(j), fpar, lpar);
+ if (aPCurve.IsNull())
+ continue;
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());
}
Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves
Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex
+ closed_flag = Standard_False;
Geom2dConvert::ConcatC1(tab_c2d,
tabtolvertex,
ArrayOfInd2d,
concatc2d,
- Standard_False,
+ closed_flag,
Precision::Confusion()); //C1 concatenation
if (concatc2d->Length() > 1)
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());
+ BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), LocSeq(j), MaxTol);
+ BB.Range(ResEdge, SurfSeq(j), LocSeq(j), ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter());
}
BRepLib::SameParameter(ResEdge, MaxTol, Standard_True);
//purpose : Merges a sequence of edges into one edge if possible
//=======================================================================
-static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& aChain, TopoDS_Edge& OutEdge, double Tol, Standard_Boolean ConcatBSplines)
+static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& theChain,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap,
+ TopoDS_Edge& OutEdge,
+ double theAngTol,
+ Standard_Boolean ConcatBSplines,
+ Standard_Boolean isSafeInputMode,
+ Handle(ShapeBuild_ReShape)& theContext)
{
ShapeAnalysis_Edge sae;
BRep_Builder B;
Standard_Boolean IsUnionOfLinesPossible = Standard_True;
Standard_Boolean IsUnionOfCirclesPossible = Standard_True;
Handle(Geom_Curve) c3d1, c3d2;
- for(j=1; j<aChain.Length(); j++)
+ for(j = 1; j < theChain.Length(); j++)
{
- TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j));
- c3d1 = BRep_Tool::Curve(edge1,fp1,lp1);
+ TopoDS_Edge edge1 = TopoDS::Edge(theChain.Value(j));
+ TopoDS_Edge edge2 = TopoDS::Edge(theChain.Value(j+1));
+
+ if (BRep_Tool::Degenerated(edge1) &&
+ BRep_Tool::Degenerated(edge2))
+ {
+ //Find the closest points in 2d
+ TopoDS_Edge edgeFirst = TopoDS::Edge(theChain.First());
+ TopoDS_Edge edgeLast = TopoDS::Edge(theChain.Last());
+ TopoDS_Face CommonFace;
+ Standard_Real MinSqDist;
+ TopAbs_Orientation OrOfE1OnFace, OrOfE2OnFace;
+ Standard_Integer IndOnE1, IndOnE2;
+ gp_Pnt2d PointsOnEdge1 [2], PointsOnEdge2 [2];
+ if (!FindClosestPoints(edgeFirst, edgeLast, theVFmap, CommonFace,
+ MinSqDist, OrOfE1OnFace, OrOfE2OnFace,
+ IndOnE1, IndOnE2, PointsOnEdge1, PointsOnEdge2))
+ return Standard_False;
+
+ //Define indices corresponding to extremities of future edge
+ IndOnE1 = 1 - IndOnE1;
+ IndOnE2 = 1 - IndOnE2;
+
+ //Construct new degenerated edge
+ gp_Pnt2d StartPoint = PointsOnEdge1[IndOnE1];
+ gp_Pnt2d EndPoint = PointsOnEdge2[IndOnE2];
+ if ((OrOfE1OnFace == TopAbs_FORWARD && IndOnE1 == 1) ||
+ (OrOfE1OnFace == TopAbs_REVERSED && IndOnE1 == 0))
+ { gp_Pnt2d Tmp = StartPoint; StartPoint = EndPoint; EndPoint = Tmp; }
+
+ Handle(Geom2d_Line) aLine = GCE2d_MakeLine(StartPoint, EndPoint);
- TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
+ TopoDS_Vertex aVertex = TopExp::FirstVertex(edgeFirst);
+ TopoDS_Vertex StartVertex = aVertex, EndVertex = aVertex;
+ StartVertex.Orientation(TopAbs_FORWARD);
+ EndVertex.Orientation(TopAbs_REVERSED);
+
+ TopoDS_Edge NewEdge;
+ B.MakeEdge(NewEdge);
+ B.UpdateEdge(NewEdge, aLine, CommonFace, Precision::Confusion());
+ B.Range(NewEdge, 0., StartPoint.Distance(EndPoint));
+ B.Add (NewEdge, StartVertex);
+ B.Add (NewEdge, EndVertex);
+ B.Degenerated(NewEdge, Standard_True);
+ OutEdge = NewEdge;
+ return Standard_True;
+ }
+
+ c3d1 = BRep_Tool::Curve(edge1,fp1,lp1);
c3d2 = BRep_Tool::Curve(edge2,fp2,lp2);
if(c3d1.IsNull() || c3d2.IsNull())
Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2);
gp_Dir Dir1 = L1->Position().Direction();
gp_Dir Dir2 = L2->Position().Direction();
- if(!Dir1.IsParallel(Dir2,Tol))
+ if(!Dir1.IsParallel(Dir2,theAngTol))
IsUnionOfLinesPossible = Standard_False;
}
else
//union of lines is possible
if (IsUnionOfLinesPossible)
{
- TopoDS_Vertex V1 = sae.FirstVertex(TopoDS::Edge(aChain.First()));
- gp_Pnt PV1 = BRep_Tool::Pnt(V1);
- TopoDS_Vertex V2 = sae.LastVertex(TopoDS::Edge(aChain.Last()));
- gp_Pnt PV2 = BRep_Tool::Pnt(V2);
+ TopoDS_Vertex V[2];
+ V[0] = sae.FirstVertex(TopoDS::Edge(theChain.First()));
+ gp_Pnt PV1 = BRep_Tool::Pnt(V[0]);
+ V[1] = sae.LastVertex(TopoDS::Edge(theChain.Last()));
+ gp_Pnt PV2 = BRep_Tool::Pnt(V[1]);
gp_Vec Vec(PV1, PV2);
+ if (isSafeInputMode) {
+ for (int k = 0; k < 2; k++) {
+ if (!theContext->IsRecorded(V[k])) {
+ TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied());
+ theContext->Replace(V[k], Vcopy);
+ V[k] = Vcopy;
+ }
+ else
+ V[k] = TopoDS::Vertex(theContext->Apply(V[k]));
+ }
+ }
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.);
+ B.Add (E,V[0]); B.Add (E,V[1]);
+ B.UpdateVertex(V[0], 0., E, 0.);
+ B.UpdateVertex(V[1], dist, E, 0.);
OutEdge = E;
return Standard_True;
}
if (IsUnionOfCirclesPossible)
{
double f,l;
- TopoDS_Edge FE = TopoDS::Edge(aChain.First());
+ TopoDS_Edge FE = TopoDS::Edge(theChain.First());
Handle(Geom_Curve) c3d = BRep_Tool::Curve(FE,f,l);
while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
}
Handle(Geom_Circle) Cir = Handle(Geom_Circle)::DownCast(c3d);
- TopoDS_Vertex V1 = sae.FirstVertex(FE);
- TopoDS_Vertex V2 = sae.LastVertex(TopoDS::Edge(aChain.Last()));
+ TopoDS_Vertex V[2];
+ V[0] = sae.FirstVertex(FE);
+ V[1] = sae.LastVertex(TopoDS::Edge(theChain.Last()));
TopoDS_Edge E;
- if (V1.IsSame(V2)) {
+ if (V[0].IsSame(V[1])) {
// closed chain
BRepAdaptor_Curve adef(FE);
Handle(Geom_Circle) Cir1;
}
if (Abs(FP) < Precision::PConfusion())
{
- B.MakeEdge (E,Cir,Precision::Confusion());
- B.Add(E,V1);
- B.Add(E,V2);
- E.Orientation(FE.Orientation());
- }
+ B.MakeEdge (E,Cir, Precision::Confusion());
+ B.Add(E,V[0]);
+ B.Add(E,V[1]);
+ E.Orientation(FE.Orientation());
+ }
else
{
GC_MakeCircle MC1 (adef.Value(FP), adef.Value((FP + LP) * 0.5), adef.Value(LP));
else
return Standard_False;
B.MakeEdge (E, Cir1, Precision::Confusion());
- B.Add(E,V1);
- B.Add(E,V2);
+ B.Add(E,V[0]);
+ B.Add(E,V[1]);
}
}
else {
- gp_Pnt PV1 = BRep_Tool::Pnt(V1);
- gp_Pnt PV2 = BRep_Tool::Pnt(V2);
+ if (isSafeInputMode) {
+ for (int k = 0; k < 2; k++) {
+ if (!theContext->IsRecorded(V[k])) {
+ TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied());
+ theContext->Replace(V[k], Vcopy);
+ V[k] = Vcopy;
+ }
+ else
+ V[k] = TopoDS::Vertex(theContext->Apply(V[k]));
+ }
+ }
+ gp_Pnt PV1 = BRep_Tool::Pnt(V[0]);
+ gp_Pnt PV2 = BRep_Tool::Pnt(V[1]);
TopoDS_Vertex VM = sae.LastVertex(FE);
gp_Pnt PVM = BRep_Tool::Pnt(VM);
GC_MakeCircle MC (PV1,PVM,PV2);
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.);
+ B.Add(E,V[0]);
+ B.Add(E,V[1]);
+ B.UpdateVertex(V[0], fpar, E, 0.);
+ B.UpdateVertex(V[1], lpar, E, 0.);
}
OutEdge = E;
return Standard_True;
}
- if (aChain.Length() > 1 && ConcatBSplines) {
+ if (theChain.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
- TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(aChain.First()));
- TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(aChain.Last()));
+ TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(theChain.First()));
+ TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(theChain.Last()));
Standard_Boolean NeedUnion = Standard_True;
- for(j=1; j<=aChain.Length(); j++) {
- TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
+ for(j = 1; j <= theChain.Length(); j++) {
+ TopoDS_Edge edge = TopoDS::Edge(theChain.Value(j));
TopLoc_Location Loc;
Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1);
if(c3d.IsNull()) continue;
}
if(NeedUnion) {
#ifdef OCCT_DEBUG
- cout<<"can not make analitical union => make approximation"<<endl;
+ std::cout<<"can not make analitical union => make approximation"<<std::endl;
#endif
- TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL);
+ TopoDS_Edge E = GlueEdgesWithPCurves(theChain, VF, VL);
OutEdge = E;
return Standard_True;
}
else {
#ifdef OCCT_DEBUG
- cout<<"can not make approximation for such types of curves"<<endl;
+ std::cout<<"can not make approximation for such types of curves"<<std::endl;
#endif
return Standard_False;
}
//=======================================================================
static Standard_Boolean IsMergingPossible(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2,
- double Tol, const TopTools_MapOfShape& DegEdgeVrt)
+ double theAngTol, double theLinTol,
+ const TopTools_MapOfShape& AvoidEdgeVrt, const bool theLineDirectionOk,
+ const gp_Pnt& theFirstPoint, const gp_Vec& theDirectionVec,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap)
{
- TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True);
- if (CV.IsNull() || DegEdgeVrt.Contains(CV))
- return Standard_False;
+ Standard_Boolean IsDegE1 = BRep_Tool::Degenerated(edge1);
+ Standard_Boolean IsDegE2 = BRep_Tool::Degenerated(edge2);
+
+ if (IsDegE1 && IsDegE2)
+ {
+ //Find connstion point in 2d
+ TopoDS_Face CommonFace;
+ Standard_Real MinSqDist;
+ TopAbs_Orientation OrOfE1OnFace, OrOfE2OnFace;
+ Standard_Integer IndOnE1, IndOnE2;
+ gp_Pnt2d PointsOnEdge1 [2], PointsOnEdge2 [2];
+ if (!FindClosestPoints(edge1, edge2, theVFmap, CommonFace,
+ MinSqDist, OrOfE1OnFace, OrOfE2OnFace,
+ IndOnE1, IndOnE2, PointsOnEdge1, PointsOnEdge2))
+ return Standard_False;
+
+ if (MinSqDist <= Precision::SquareConfusion())
+ return Standard_True;
+
+ return Standard_False;
+ }
+ else if (IsDegE1 || IsDegE2)
+ return Standard_False;
+
+ TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True);
+ if (CV.IsNull() || AvoidEdgeVrt.Contains(CV))
+ return Standard_False;
BRepAdaptor_Curve ade1(edge1);
BRepAdaptor_Curve ade2(edge2);
Diff2 = -Diff2;
}
- if (Diff1.Angle(Diff2) > Tol)
+ if (Diff1.Angle(Diff2) > theAngTol)
+ return Standard_False;
+
+ if (theLineDirectionOk && t2 == GeomAbs_Line)
+ {
+ // Check that the accumulated deflection does not exceed the linear tolerance
+ Standard_Real aLast = (edge2.Orientation() == TopAbs_FORWARD) ?
+ ade2.LastParameter() : ade2.FirstParameter();
+ gp_Vec aCurV(theFirstPoint, ade2.Value(aLast));
+ Standard_Real aDD = theDirectionVec.CrossSquareMagnitude(aCurV);
+ if (aDD > theLinTol*theLinTol)
+ return Standard_False;
+
+ // Check that the accumulated angle does not exceed the angular tolerance.
+ // For symmetry, check the angle between vectors of:
+ // - first edge and resulting curve, and
+ // - the last edge and resulting curve.
+ if (theDirectionVec.Angle(aCurV) > theAngTol || Diff2.Angle(aCurV) > theAngTol)
+ return Standard_False;
+ }
+
+ return Standard_True;
+}
+
+//=======================================================================
+//function : GetLineEdgePoints
+//purpose :
+//=======================================================================
+static Standard_Boolean GetLineEdgePoints(const TopoDS_Edge& theInpEdge, gp_Pnt& theFirstPoint, gp_Vec& theDirectionVec)
+{
+ double f, l;
+ Handle(Geom_Curve) aCur = BRep_Tool::Curve(theInpEdge, f, l);
+ if(aCur.IsNull())
+ return Standard_False;
+
+ Handle(Geom_TrimmedCurve) aTC = Handle(Geom_TrimmedCurve)::DownCast(aCur);
+ if (!aTC.IsNull())
+ aCur = aTC->BasisCurve();
+
+ if (aCur->DynamicType() != STANDARD_TYPE(Geom_Line))
return Standard_False;
+ if (theInpEdge.Orientation() == TopAbs_REVERSED) {
+ Standard_Real tmp = f;
+ f = l;
+ l = tmp;
+ }
+ theFirstPoint = aCur->Value(f);
+ gp_Pnt aLP = aCur->Value(l);
+ theDirectionVec = aLP.XYZ().Subtracted(theFirstPoint.XYZ());
+ theDirectionVec.Normalize();
return Standard_True;
}
static void GenerateSubSeq (const TopTools_SequenceOfShape& anInpEdgeSeq,
NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges,
- Standard_Boolean IsClosed, double Tol, const TopTools_MapOfShape& DegEdgeVrt )
+ Standard_Boolean IsClosed, double theAngTol, double theLinTol,
+ const TopTools_MapOfShape& AvoidEdgeVrt,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap)
{
Standard_Boolean isOk = Standard_False;
TopoDS_Edge edge1, edge2;
SubSequenceOfEdges SubSeq;
- SubSeq.SeqsEdges.Append(TopoDS::Edge(anInpEdgeSeq(1)));
+ TopoDS_Edge RefEdge = TopoDS::Edge(anInpEdgeSeq(1));
+ SubSeq.SeqsEdges.Append(RefEdge);
SeqOfSubSeqOfEdges.Append(SubSeq);
+ gp_Pnt aFirstPoint;
+ gp_Vec aDirectionVec;
+ Standard_Boolean isLineDirectionOk = GetLineEdgePoints(RefEdge, aFirstPoint, aDirectionVec);
+
for (int i = 1; i < anInpEdgeSeq.Length(); i++)
{
edge1 = TopoDS::Edge(anInpEdgeSeq(i));
edge2 = TopoDS::Edge(anInpEdgeSeq(i+1));
- isOk = IsMergingPossible(edge1, edge2, Tol, DegEdgeVrt);
+ isOk = IsMergingPossible(edge1, edge2, theAngTol, theLinTol,
+ AvoidEdgeVrt, isLineDirectionOk, aFirstPoint, aDirectionVec, theVFmap);
if (!isOk)
{
SubSequenceOfEdges aSubSeq;
aSubSeq.SeqsEdges.Append(edge2);
SeqOfSubSeqOfEdges.Append(aSubSeq);
+ isLineDirectionOk = GetLineEdgePoints(edge2, aFirstPoint, aDirectionVec);
}
else
SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(edge2);
{
edge1 = TopoDS::Edge(anInpEdgeSeq.Last());
edge2 = TopoDS::Edge(anInpEdgeSeq.First());
- if (IsMergingPossible(edge1, edge2, Tol, DegEdgeVrt))
+ if (IsMergingPossible(edge1, edge2, theAngTol, theLinTol,
+ AvoidEdgeVrt, Standard_False, aFirstPoint, aDirectionVec, theVFmap))
{
SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(SeqOfSubSeqOfEdges.ChangeFirst().SeqsEdges);
SeqOfSubSeqOfEdges.Remove(1);
}
}
-
//=======================================================================
//function : MergeEdges
//purpose : auxilary
//=======================================================================
-static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
- const Standard_Real Tol,
+static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap,
+ const Standard_Real theAngTol,
+ const Standard_Real theLinTol,
const Standard_Boolean ConcatBSplines,
+ const Standard_Boolean isSafeInputMode,
+ Handle(ShapeBuild_ReShape)& theContext,
NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges,
- const TopTools_MapOfShape& NonMergVrt )
+ const TopTools_MapOfShape& NonMergVrt)
{
- // 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);
+ TopTools_IndexedDataMapOfShapeListOfShape aMapVE;
Standard_Integer j;
TopTools_MapOfShape VerticesToAvoid;
- TopTools_SequenceOfShape SeqEdges1;
for (j = 1; j <= SeqEdges.Length(); j++)
{
TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
- if (BRep_Tool::Degenerated(anEdge))
+ // fill in the map V-E
+ for (TopoDS_Iterator it(anEdge.Oriented(TopAbs_FORWARD)); it.More(); it.Next())
{
- TopoDS_Vertex V1, V2;
- TopExp::Vertices(anEdge, V1, V2);
- VerticesToAvoid.Add(V1);
- VerticesToAvoid.Add(V2);
- continue;
+ TopoDS_Shape aV = it.Value();
+ if (aV.Orientation() == TopAbs_FORWARD || aV.Orientation() == TopAbs_REVERSED)
+ {
+ if (!aMapVE.Contains(aV))
+ aMapVE.Add(aV, TopTools_ListOfShape());
+ aMapVE.ChangeFromKey(aV).Append(anEdge);
+ }
}
- SeqEdges1.Append(anEdge);
}
+ VerticesToAvoid.Unite(NonMergVrt);
- for(j=2; j<=SeqEdges1.Length(); j++) {
- for(Standard_Integer k=2; k<=SeqEdges1.Length(); k++) {
- if(IndUsedEdges.Contains(k)) continue;
- TopoDS_Edge edge = TopoDS::Edge(SeqEdges1.Value(k));
- TopoDS_Vertex VF2 = sae.FirstVertex(edge);
- TopoDS_Vertex VL2 = sae.LastVertex(edge);
- if(VF2.IsSame(VL)) {
- aChain.Append(edge);
- LastE = edge;
- VL = sae.LastVertex(LastE);
- IndUsedEdges.Add(k);
- }
- else if(VL2.IsSame(VF)) {
- aChain.Prepend(edge);
- FirstE = edge;
- VF = sae.FirstVertex(FirstE);
- IndUsedEdges.Add(k);
+ // do loop while there are unused edges
+ TopTools_MapOfShape aUsedEdges;
+ for (;;)
+ {
+ TopoDS_Edge edge;
+ for(j=1; j <= SeqEdges.Length(); j++)
+ {
+ edge = TopoDS::Edge(SeqEdges.Value(j));
+ if (!aUsedEdges.Contains(edge))
+ break;
+ }
+ if (j > SeqEdges.Length())
+ break; // all edges have been used
+
+ // make chain for unite
+ TopTools_SequenceOfShape aChain;
+ aChain.Append(edge);
+ aUsedEdges.Add(edge);
+ TopoDS_Vertex V[2];
+ TopExp::Vertices(edge, V[0], V[1], Standard_True);
+
+ // connect more edges to the chain in both directions
+ for (j = 0; j < 2; j++)
+ {
+ Standard_Boolean isAdded = Standard_True;
+ while (isAdded)
+ {
+ isAdded = Standard_False;
+ if (V[j].IsNull())
+ break;
+ const TopTools_ListOfShape& aLE = aMapVE.FindFromKey(V[j]);
+ for (TopTools_ListIteratorOfListOfShape itL(aLE); itL.More(); itL.Next())
+ {
+ edge = TopoDS::Edge(itL.Value());
+ if (!aUsedEdges.Contains(edge))
+ {
+ TopoDS_Vertex V2[2];
+ TopExp::Vertices(edge, V2[0], V2[1], Standard_True);
+ // the neighboring edge must have V[j] reversed and located on the opposite end
+ if (V2[1 - j].IsEqual(V[j].Reversed()))
+ {
+ if (j == 0)
+ aChain.Prepend(edge);
+ else
+ aChain.Append(edge);
+ aUsedEdges.Add(edge);
+ V[j] = V2[j];
+ isAdded = Standard_True;
+ break;
+ }
+ }
+ }
}
}
- }
- Standard_Boolean IsClosed = Standard_False;
- if (VF.IsSame ( VL ))
- IsClosed = Standard_True;
+ if (aChain.Length() < 2)
+ continue;
- VerticesToAvoid.Unite(NonMergVrt);
- GenerateSubSeq(aChain, SeqOfSubSeqOfEdges, IsClosed, Tol, VerticesToAvoid);
+ Standard_Boolean IsClosed = Standard_False;
+ if (V[0].IsSame ( V[1] ))
+ IsClosed = Standard_True;
+
+ // split chain by vertices at which merging is not possible
+ NCollection_Sequence<SubSequenceOfEdges> aOneSeq;
+ GenerateSubSeq(aChain, aOneSeq, IsClosed, theAngTol, theLinTol, VerticesToAvoid, theVFmap);
+
+ // put sub-chains in the result
+ SeqOfSubSeqOfEdges.Append(aOneSeq);
+ }
for (int i = 1; i <= SeqOfSubSeqOfEdges.Length(); i++)
{
TopoDS_Edge UE;
if (SeqOfSubSeqOfEdges(i).SeqsEdges.Length() < 2)
continue;
- if (MergeSubSeq(SeqOfSubSeqOfEdges(i).SeqsEdges, UE, Tol, ConcatBSplines))
+ if (MergeSubSeq(SeqOfSubSeqOfEdges(i).SeqsEdges, theVFmap,
+ UE, theAngTol,
+ ConcatBSplines, isSafeInputMode, theContext))
SeqOfSubSeqOfEdges(i).UnionEdges = UE;
}
return Standard_True;
//=======================================================================
//function : MergeSeq
-//purpose : Tries to unify the sequence of edges with the set of another edges
-//which lies on the same geometry
+//purpose : Tries to unify the sequence of edges with the set of
+// another edges which lies on the same geometry
//=======================================================================
-
-static Standard_Boolean MergeSeq (const TopTools_SequenceOfShape& SeqEdges,
- const Standard_Real Tol,
+static Standard_Boolean MergeSeq (TopTools_SequenceOfShape& SeqEdges,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theVFmap,
+ const Standard_Real theAngTol,
+ const Standard_Real theLinTol,
const Standard_Boolean ConcatBSplines,
+ const Standard_Boolean isSafeInputMode,
Handle(ShapeBuild_ReShape)& theContext,
- TopTools_DataMapOfShapeShape& theOldShapes,
- const TopTools_MapOfShape& nonMergVert,
- const TopTools_DataMapOfShapeShape& NewEdges2OldEdges)
-{
+ const TopTools_MapOfShape& nonMergVert)
+{
NCollection_Sequence<SubSequenceOfEdges> SeqOfSubsSeqOfEdges;
- int k = 1;
- if ( MergeEdges(SeqEdges, Tol, ConcatBSplines, SeqOfSubsSeqOfEdges, nonMergVert) )
+ if (MergeEdges(SeqEdges, theVFmap, theAngTol, theLinTol, ConcatBSplines, isSafeInputMode,
+ theContext, SeqOfSubsSeqOfEdges, nonMergVert))
{
for (Standard_Integer i = 1; i <= SeqOfSubsSeqOfEdges.Length(); i++ )
{
if (SeqOfSubsSeqOfEdges(i).UnionEdges.IsNull())
continue;
- theContext->Replace(SeqOfSubsSeqOfEdges(i).SeqsEdges(1), SeqOfSubsSeqOfEdges(i).UnionEdges);
- k++;
- for (Standard_Integer j = 2; j <= SeqOfSubsSeqOfEdges(i).SeqsEdges.Length(); j++)
- {
- TopoDS_Shape OldEdge = NewEdges2OldEdges(SeqOfSubsSeqOfEdges(i).SeqsEdges(j));
- theOldShapes.Bind(OldEdge, SeqOfSubsSeqOfEdges(i).UnionEdges);
- theContext->Remove(SeqOfSubsSeqOfEdges(i).SeqsEdges(j));
- }
+
+ theContext->Merge(SeqOfSubsSeqOfEdges(i).SeqsEdges,
+ SeqOfSubsSeqOfEdges(i).UnionEdges);
}
return Standard_True;
}
- else
- return Standard_False;
+ return Standard_False;
}
//=======================================================================
static void CheckSharedVertices(const TopTools_SequenceOfShape& theSeqEdges,
const TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgesVertex,
+ const TopTools_MapOfShape& theMapKeepShape,
TopTools_MapOfShape& theShareVertMap)
{
ShapeAnalysis_Edge sae;
for (Standard_Integer k = 1; k <= SeqVertexes.Length()/* && !IsSharedVertexPresent*/; k++ )
{
const TopTools_ListOfShape& ListEdgesV1 = theMapEdgesVertex.FindFromKey(SeqVertexes(k));
- TopTools_MapOfShape aMapOfEdges;
- TopTools_ListIteratorOfListOfShape iter(ListEdgesV1);
- for (; iter.More(); iter.Next())
- aMapOfEdges.Add(iter.Value());
- if (aMapOfEdges.Extent() > 2)
+ if (ListEdgesV1.Extent() > 2 || theMapKeepShape.Contains(SeqVertexes(k)))
theShareVertMap.Add(SeqVertexes(k));
}
//return theShareVertMap.IsEmpty() ? false : true;
//=======================================================================
ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain()
- : myUnifyFaces (Standard_True),
+ : myLinTol(Precision::Confusion()),
+ myAngTol(Precision::Angular()),
+ myUnifyFaces(Standard_True),
myUnifyEdges (Standard_True),
myConcatBSplines (Standard_False),
- myAllowInternal (Standard_False)
+ myAllowInternal (Standard_False),
+ mySafeInputMode(Standard_True),
+ myHistory(new BRepTools_History)
{
myContext = new ShapeBuild_ReShape;
}
const Standard_Boolean UnifyFaces,
const Standard_Boolean ConcatBSplines)
: myInitShape (aShape),
- myUnifyFaces (UnifyFaces),
+ myLinTol(Precision::Confusion()),
+ myAngTol(Precision::Angular()),
+ myUnifyFaces(UnifyFaces),
myUnifyEdges (UnifyEdges),
myConcatBSplines (ConcatBSplines),
myAllowInternal (Standard_False),
- myShape (aShape)
+ mySafeInputMode (Standard_True),
+ myShape (aShape),
+ myHistory(new BRepTools_History)
{
myContext = new ShapeBuild_ReShape;
}
myConcatBSplines = ConcatBSplines;
myContext->Clear();
- myOldShapes.Clear();
+ myKeepShapes.Clear();
+ myHistory->Clear();
}
//=======================================================================
}
//=======================================================================
-//function : putIntWires
-//purpose : Add internal wires that are classified inside the face as a subshape,
-// and remove them from the sequence
+//function : SetSafeInputMode
+//purpose :
//=======================================================================
-static void putIntWires(TopoDS_Shape& theFace, TopTools_SequenceOfShape& theWires)
+
+void ShapeUpgrade_UnifySameDomain::SetSafeInputMode(Standard_Boolean theValue)
{
- TopoDS_Face& aFace = TopoDS::Face(theFace);
- for (Standard_Integer i=1; i <= theWires.Length(); i++)
- {
- TopoDS_Shape aWire = theWires(i);
- gp_Pnt2d aP2d;
- Standard_Boolean isP2d = Standard_False;
- for (TopoDS_Iterator it(aWire); it.More() && !isP2d; it.Next())
- {
- const TopoDS_Edge& anEdge = TopoDS::Edge(it.Value());
- Standard_Real aFirst, aLast;
- Handle(Geom2d_Curve) aC2d = BRep_Tool::CurveOnSurface(anEdge, aFace, aFirst, aLast);
- aC2d->D0((aFirst + aLast) * 0.5, aP2d);
- isP2d = Standard_True;
- }
- BRepClass_FaceClassifier aClass(aFace, aP2d, Precision::PConfusion());
- if (aClass.State() == TopAbs_IN)
- {
- BRep_Builder().Add(aFace, aWire);
- theWires.Remove(i);
- i--;
- }
+ mySafeInputMode = theValue;
+}
+
+//=======================================================================
+//function : KeepShape
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::KeepShape(const TopoDS_Shape& theShape)
+{
+ if (theShape.ShapeType() == TopAbs_EDGE || theShape.ShapeType() == TopAbs_VERTEX)
+ myKeepShapes.Add(theShape);
+}
+
+//=======================================================================
+//function : KeepShapes
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::KeepShapes(const TopTools_MapOfShape& theShapes)
+{
+ for (TopTools_MapIteratorOfMapOfShape it(theShapes); it.More(); it.Next()) {
+ if (it.Value().ShapeType() == TopAbs_EDGE || it.Value().ShapeType() == TopAbs_VERTEX)
+ myKeepShapes.Add(it.Value());
}
}
// creating map of edge faces for the whole shape
TopTools_IndexedDataMapOfShapeListOfShape aGMapEdgeFaces;
TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aGMapEdgeFaces);
-
- // processing each shell
+
+ // unify faces in each shell separately
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 for the shell
- TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
- TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
-
- // map of processed shapes
- TopTools_MapOfShape aProcessed;
-
- 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++;
- }
+ for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next())
+ IntUnifyFaces(exps.Current(), aGMapEdgeFaces);
+
+ // gather all faces out of shells in one compound and unify them at once
+ BRep_Builder aBB;
+ TopoDS_Compound aCmp;
+ aBB.MakeCompound(aCmp);
+ Standard_Integer nbf = 0;
+ for (exps.Init(myShape, TopAbs_FACE, TopAbs_SHELL); exps.More(); exps.Next(), nbf++)
+ aBB.Add(aCmp, exps.Current());
+
+ if (nbf > 0)
+ IntUnifyFaces(aCmp, aGMapEdgeFaces);
+
+ myShape = myContext->Apply(myShape);
+}
+
+//=======================================================================
+//function : SetFixWireModes
+//purpose :
+//=======================================================================
- // 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));
+static void SetFixWireModes(ShapeFix_Face& theSff)
+{
+ Handle(ShapeFix_Wire) aFixWire = theSff.FixWireTool();
+ aFixWire->FixSelfIntersectionMode() = 0;
+ aFixWire->FixNonAdjacentIntersectingEdgesMode() = 0;
+ aFixWire->FixLackingMode() = 0;
+ aFixWire->FixNotchedEdgesMode() = 0;
+ aFixWire->ModifyTopologyMode() = Standard_False;
+ aFixWire->ModifyRemoveLoopMode() = 0;
+ aFixWire->FixGapsByRangesMode() = Standard_False;
+ aFixWire->FixSmallMode() = 0;
+}
- if (aProcessed.Contains(aFace))
- continue;
+//=======================================================================
+//function : IntUnifyFaces
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape,
+ TopTools_IndexedDataMapOfShapeListOfShape& theGMapEdgeFaces)
+{
+ // creating map of edge faces for the shape
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
+ TopExp::MapShapesAndAncestors(theInpShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
+
+ // map of processed shapes
+ TopTools_MapOfShape aProcessed;
+
+ // processing each face
+ TopExp_Explorer exp;
+ for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) {
+
+ TopoDS_Face aFace = TopoDS::Face(exp.Current());
+
+ if (aProcessed.Contains(aFace))
+ continue;
- Standard_Integer dummy;
- TopTools_SequenceOfShape edges;
- AddOrdinaryEdges(edges,aFace,dummy);
+ // Boundary edges for the new face
+ TopTools_SequenceOfShape edges;
- TopTools_SequenceOfShape faces;
- faces.Append(aFace);
+ Standard_Integer dummy;
+ AddOrdinaryEdges(edges, aFace, dummy);
- //surface and location to construct result
- TopLoc_Location aBaseLocation;
- Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation);
- aBaseSurface = ClearRts(aBaseSurface);
+ // Faces to get unified with the current faces
+ TopTools_SequenceOfShape faces;
- // 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))
+ // Add the current face for unification
+ faces.Append(aFace);
+
+ // surface and location to construct result
+ TopLoc_Location aBaseLocation;
+ Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation);
+ aBaseSurface = ClearRts(aBaseSurface);
+ TopAbs_Orientation RefFaceOrientation = aFace.Orientation();
+
+ //Take original surface
+ TopoDS_Face RefFace;
+ BRep_Builder BB;
+ BB.MakeFace(RefFace, aBaseSurface, aBaseLocation, 0.);
+ RefFace.Orientation(RefFaceOrientation);
+ TopTools_MapOfShape MapEdgesWithTemporaryPCurves; //map of edges not lying on RefFace
+ //these edges may be updated by temporary pcurves
+
+ Standard_Real Uperiod = (aBaseSurface->IsUPeriodic())? aBaseSurface->UPeriod() : 0.;
+
+ // 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;
+
+ // get connectivity of the edge in the global shape
+ const TopTools_ListOfShape& aGList = theGMapEdgeFaces.FindFromKey(edge);
+ if (!myAllowInternal && (aGList.Extent() != 2 || myKeepShapes.Contains(edge))) {
+ // non manifold case is not processed unless myAllowInternal
+ continue;
+ }
+ //
+ // Get the faces connected through the edge in the current shape
+ const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
+ if (aList.Extent() < 2) {
+ continue;
+ }
+
+ // for a planar face create and store pcurve of edge on face
+ // to speed up all operations
+ if (!mySafeInputMode && aBaseSurface->IsKind(STANDARD_TYPE(Geom_Plane)))
+ BRepLib::BuildPCurveForEdgeOnPlane(edge, aFace);
+
+ // get normal of the face to compare it with normals of other faces
+ gp_Dir aDN1;
+ //
+ // take intermediate point on edge to compute the normal
+ Standard_Real f, l;
+ BRep_Tool::Range(edge, f, l);
+ Standard_Real aTMid = (f + l) * .5;
+ //
+ Standard_Boolean bCheckNormals = GetNormalToSurface(aFace, edge, aTMid, aDN1);
+ //
+ // Process the faces
+ TopTools_ListIteratorOfListOfShape anIter(aList);
+ for (; anIter.More(); anIter.Next()) {
+
+ TopoDS_Face aCheckedFace = TopoDS::Face(anIter.Value());
+ if (aCheckedFace.IsSame(aFace))
continue;
- // get connectivity of the edge in the global shape
- const TopTools_ListOfShape& aGList = aGMapEdgeFaces.FindFromKey(edge);
- if (!myAllowInternal && aGList.Extent() != 2) {
- // non mainfold case is not processed unless myAllowInternal
+ if (aProcessed.Contains(aCheckedFace))
continue;
- }
- // process faces connected through the edge in the current shell
- 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)) {
-
- // 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;
+
+ if (bCheckNormals) {
+ // get normal of checked face using the same parameter on edge
+ gp_Dir aDN2;
+ if (GetNormalToSurface(aCheckedFace, edge, aTMid, aDN2)) {
+ // and check if the adjacent faces are having approximately same normals
+ Standard_Real anAngle = aDN1.Angle(aDN2);
+ if (anAngle > myAngTol) {
+ continue;
}
+ }
+ }
+ //
+ if (IsSameDomain(aFace,aCheckedFace, myLinTol, myAngTol)) {
- faces.Append(anCheckedFace);
- aProcessed.Add(anCheckedFace);
- break;
+ if (AddOrdinaryEdges(edges,aCheckedFace,dummy)) {
+ // sequence edges is modified
+ i = dummy;
}
+
+ faces.Append(aCheckedFace);
+ aProcessed.Add(aCheckedFace);
+ break;
}
}
+ }
- if (faces.Length() > 1) {
- // fill in the connectivity map for selected faces
- TopTools_IndexedDataMapOfShapeListOfShape aMapEF;
- for (i = 1; i <= faces.Length(); i++) {
- TopExp::MapShapesAndAncestors(faces(i), TopAbs_EDGE, TopAbs_FACE, aMapEF);
+ if (faces.Length() > 1) {
+ //Add correct pcurves for the reference surface to the edges of other faces
+ AddPCurves(faces, RefFace, MapEdgesWithTemporaryPCurves);
+
+ // fill in the connectivity map for selected faces
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEF;
+ for (i = 1; i <= faces.Length(); i++) {
+ TopExp::MapShapesAndAncestors(faces(i), TopAbs_EDGE, TopAbs_FACE, aMapEF);
+ }
+ // Collect keep edges and multi-connected edges, i.e. edges that are internal to
+ // the set of selected faces and have connections to other faces.
+ TopTools_ListOfShape aKeepEdges;
+ for (i = 1; i <= aMapEF.Extent(); i++) {
+ const TopTools_ListOfShape& aLF = aMapEF(i);
+ if (aLF.Extent() == 2) {
+ const TopoDS_Shape& aE = aMapEF.FindKey(i);
+ const TopTools_ListOfShape& aGLF = theGMapEdgeFaces.FindFromKey(aE);
+ if (aGLF.Extent() > 2 || myKeepShapes.Contains(aE)) {
+ aKeepEdges.Append(aE);
+ }
}
-
- // Collect multiconnected edges, i.e. edges that are internal to
- // the set of selected faces and have connections to other faces.
- TopTools_ListOfShape aMultEdges;
- for (i = 1; i <= aMapEF.Extent(); i++) {
- const TopTools_ListOfShape& aLF = aMapEF(i);
- if (aLF.Extent() == 2) {
- const TopoDS_Shape& aE = aMapEF.FindKey(i);
- const TopTools_ListOfShape& aGLF = aGMapEdgeFaces.FindFromKey(aE);
- if (aGLF.Extent() > 2) {
- aMultEdges.Append(aE);
+ }
+ if (!aKeepEdges.IsEmpty()) {
+ if (!myAllowInternal) {
+ // Remove from the selection the faces which have no other connect edges
+ // and contain multi-connected edges and/or keep edges.
+ TopTools_MapOfShape anAvoidFaces;
+ TopTools_ListIteratorOfListOfShape it(aKeepEdges);
+ for (; it.More(); it.Next()) {
+ const TopoDS_Shape& aE = it.Value();
+ const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE);
+ anAvoidFaces.Add(aLF.First());
+ anAvoidFaces.Add(aLF.Last());
+ }
+ for (i = 1; i <= faces.Length(); i++) {
+ if (anAvoidFaces.Contains(faces(i))) {
+ // update the boundaries of merged area, for that
+ // remove from 'edges' the edges of this face and add to 'edges'
+ // the edges of this face that were not present in 'edges' before
+ Standard_Boolean hasConnectAnotherFaces = Standard_False;
+ TopExp_Explorer ex(faces(i), TopAbs_EDGE);
+ for (; ex.More() && !hasConnectAnotherFaces; ex.Next()) {
+ TopoDS_Shape aE = ex.Current();
+ const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE);
+ if (aLF.Extent() > 1) {
+ for (it.Init(aLF); it.More() && !hasConnectAnotherFaces; it.Next()) {
+ if (!anAvoidFaces.Contains(it.Value()))
+ hasConnectAnotherFaces = Standard_True;
+ }
+ }
+ }
+ if (!hasConnectAnotherFaces) {
+ AddOrdinaryEdges(edges, faces(i), dummy);
+ faces.Remove(i);
+ i--;
+ }
}
}
- }
- if (!aMultEdges.IsEmpty()) {
- if (!myAllowInternal) {
- // Remove from the selection the faces containing multiconnected edges
- TopTools_MapOfShape anAvoidFaces;
- TopTools_ListIteratorOfListOfShape it(aMultEdges);
- for (; it.More(); it.Next()) {
+ // check if the faces with keep edges contained in
+ // already updated the boundaries of merged area
+ if (!faces.IsEmpty()) {
+ TopTools_MapOfShape aMapFaces;
+ for (i = 1; i <= faces.Length(); i++) {
+ aMapFaces.Add(faces(i));
+ }
+ for (it.Init(aKeepEdges); it.More(); it.Next()) {
const TopoDS_Shape& aE = it.Value();
const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE);
- anAvoidFaces.Add(aLF.First());
- anAvoidFaces.Add(aLF.Last());
- }
- for (i = 1; i <= faces.Length(); ) {
- if (anAvoidFaces.Contains(faces(i)))
- faces.Remove(i);
- else
- i++;
+ if (aLF.Extent() < 2)
+ continue;
+ if (aMapFaces.Contains(aLF.First()) &&
+ aMapFaces.Contains(aLF.Last())) {
+ for (i = 1; i <= faces.Length(); i++) {
+ if (faces(i).IsEqual(aLF.First()) ||
+ faces(i).IsEqual(aLF.Last())) {
+ AddOrdinaryEdges(edges, faces(i), dummy);
+ faces.Remove(i);
+ i--;
+ }
+ }
+ }
}
}
- else {
- // add multiconnected edges as internal in new face
- TopTools_ListIteratorOfListOfShape it(aMultEdges);
- for (; it.More(); it.Next()) {
- const TopoDS_Shape& aE = it.Value();
- edges.Append(aE.Oriented(TopAbs_INTERNAL));
+ } //if (!myAllowInternal)
+ else { //internal edges are allowed
+ // add multi-connected and keep edges as internal in new face
+ TopTools_ListIteratorOfListOfShape it(aKeepEdges);
+ for (; it.More(); it.Next()) {
+ const TopoDS_Shape& aE = it.Value();
+ edges.Append(aE.Oriented(TopAbs_INTERNAL));
+ }
+ }
+ } //if (!aKeepEdges.IsEmpty())
+ } //if (faces.Length() > 1)
+
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEF;
+ for (i = 1; i <= faces.Length(); i++)
+ TopExp::MapShapesAndUniqueAncestors(faces(i), TopAbs_EDGE, TopAbs_FACE, aMapEF);
+
+ //Correct orientation of edges
+ for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+ {
+ const TopoDS_Shape& anEdge = edges(ii);
+ const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(anEdge);
+ if (myAllowInternal &&
+ myKeepShapes.Contains(anEdge) &&
+ aLF.Extent() == 2)
+ edges(ii).Orientation(TopAbs_INTERNAL);
+
+ if (anEdge.Orientation() != TopAbs_INTERNAL)
+ for (Standard_Integer jj = 1; jj <= faces.Length(); jj++)
+ {
+ const TopoDS_Shape aCurFace = faces(jj);
+ Standard_Boolean found = Standard_False;
+ TopExp_Explorer Explo(aCurFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Shape& aCurEdge = Explo.Current();
+ if (anEdge.IsSame(aCurEdge))
+ {
+ edges(ii) = aCurEdge;
+ found = Standard_True;
+ break;
}
}
+ if (found)
+ break;
}
+ }
+
+ //Exclude internal edges
+ TopTools_IndexedMapOfShape InternalEdges;
+ Standard_Integer ind_e = 1;
+ while (ind_e <= edges.Length())
+ {
+ const TopoDS_Shape& anEdge = edges(ind_e);
+ if (anEdge.Orientation() == TopAbs_INTERNAL)
+ {
+ InternalEdges.Add(anEdge);
+ edges.Remove(ind_e);
}
+ else
+ ind_e++;
+ }
+
+ if (RefFaceOrientation == TopAbs_REVERSED)
+ for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+ edges(ii).Reverse();
+ TopoDS_Face F_RefFace = RefFace;
+ F_RefFace.Orientation(TopAbs_FORWARD);
+
+ // all faces collected in the sequence. Perform union of faces
+ if (faces.Length() > 1)
+ {
+ Standard_Real CoordTol = Precision::Confusion();
- // 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;
-
- TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
- // 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);
- // collect internal edges in separate wires
- Standard_Boolean isInternal = (anEdge.Orientation() == TopAbs_INTERNAL);
-
- 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));
- // check if the current edge orientation corresponds to the first one
- Standard_Boolean isCurrInternal = (anEdge.Orientation() == TopAbs_INTERNAL);
- if (isCurrInternal != isInternal)
- continue;
- 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.Closed (BRep_Tool::IsClosed (aWire));
- aWire = TopoDS::Wire(myContext->Apply(aWire));
-
- 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--;
- }
- }
+ TopTools_IndexedDataMapOfShapeListOfShape VEmap;
+ for (Standard_Integer ind = 1; ind <= edges.Length(); ind++)
+ TopExp::MapShapesAndUniqueAncestors(edges(ind), TopAbs_VERTEX, TopAbs_EDGE, VEmap);
+
+ //Perform relocating to new U-origin
+ //Define boundaries in 2d space of RefFace
+ if (Uperiod != 0.)
+ {
+ TopTools_MapOfShape edgesMap;
+ CoordTol = ComputeMinEdgeSize(edges, F_RefFace, edgesMap);
+ CoordTol /= 10.;
+ CoordTol = Max(CoordTol, Precision::Confusion());
+
+ //try to find a real seam edge - if it exists, do nothing
+ Standard_Boolean SeamFound = Standard_False;
+ for (Standard_Integer ii = 1; ii <= faces.Length(); ii++)
+ {
+ const TopoDS_Face& face_ii = TopoDS::Face(faces(ii));
+ TopoDS_Wire anOuterWire = BRepTools::OuterWire(face_ii);
+ TopoDS_Iterator itw(anOuterWire);
+ for (; itw.More(); itw.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itw.Value());
+ if (BRepTools::IsReallyClosed(anEdge, face_ii))
+ {
+ SeamFound = Standard_True;
+ break;
}
- 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))
+ }
+
+ if (!SeamFound)
+ {
+ //try to find the origin of U in 2d space
+ //so that all the faces are in [origin, origin + Uperiod]
+ Standard_Real Umax;
+ Standard_Integer i_face_max;
+ FindFaceWithMaxUbound(faces, F_RefFace, edgesMap, Umax, i_face_max);
+
+ TopTools_MapOfShape UsedEdges;
+ NCollection_DataMap<TopoDS_Shape, Handle(Geom2d_Curve)> EdgeNewPCurve;
+
+ //Relocate pcurves to new U-origin
+ RelocatePCurvesToNewUorigin(edges, faces(i_face_max), F_RefFace, CoordTol, Uperiod,
+ VEmap, EdgeNewPCurve, UsedEdges);
+
+ //PCurves from unused edges (may be degenerated edges)
+ for (Standard_Integer ind = 1; ind <= edges.Length(); ind++)
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aWire, EmptyList);
+ const TopoDS_Edge& anEdge = TopoDS::Edge(edges(ind));
+ if (!UsedEdges.Contains(anEdge))
+ {
+ Standard_Real fpar, lpar;
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, F_RefFace, fpar, lpar);
+ aPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar);
+ EdgeNewPCurve.Bind(anEdge, aPCurve);
+ }
}
- myOldNewMap(aWire).Clear();
- myOldNewMap(aWire).Append(aWireFixed);
- */
- /////////////
- // add resulting wire
- if(isEdge3d) {
- B.Add(aResult,aWireFixed);
+ //Restore VEmap
+ VEmap.Clear();
+ for (Standard_Integer ind = 1; ind <= edges.Length(); ind++)
+ TopExp::MapShapesAndUniqueAncestors(edges(ind), TopAbs_VERTEX, TopAbs_EDGE, VEmap);
+
+ //Find NewUmin and NewUmax
+ Standard_Real NewUmin = RealLast(), NewUmax = RealFirst();
+ for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+ {
+ const Handle(Geom2d_Curve)& aPCurve = EdgeNewPCurve(edges(ii));
+ UpdateBoundaries(aPCurve, aPCurve->FirstParameter(), aPCurve->LastParameter(),
+ NewUmin, NewUmax);
}
- 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());
+
+ if (NewUmax - NewUmin < Uperiod - CoordTol &&
+ !(-Precision::Confusion() < NewUmin && NewUmin < Uperiod+Precision::Confusion() &&
+ -Precision::Confusion() < NewUmax && NewUmax < Uperiod+Precision::Confusion()))
+ {
+ //we can build a face without seam edge:
+ //update the edges with earlier computed relocated pcurves
+ //fitting into (NewUorigin, NewUorigin + Uperiod)
+ Standard_Real umin, umax, vmin, vmax;
+ aBaseSurface->Bounds(umin, umax, vmin, vmax);
+ Standard_Real RestSpaceInU = Uperiod - (NewUmax - NewUmin);
+ Standard_Real NewUorigin = NewUmin - RestSpaceInU/2;
+ if (NewUorigin < umin)
+ NewUorigin = umin;
+ Handle(Geom_Surface) NewSurf;
+ if (NewUorigin == umin)
+ NewSurf = aBaseSurface;
+ else
+ NewSurf = new Geom_RectangularTrimmedSurface(aBaseSurface,
+ NewUorigin, NewUorigin + Uperiod,
+ Standard_True); //trim U
+ TopoDS_Face OldRefFace = RefFace;
+ Handle(Geom2d_Curve) NullPCurve;
+ RefFace.Nullify();
+ BB.MakeFace(RefFace, NewSurf, aBaseLocation, 0.);
+ for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(edges(ii));
+ if (MapEdgesWithTemporaryPCurves.Contains(anEdge))
+ BB.UpdateEdge(anEdge, NullPCurve, OldRefFace, 0.);
+ const Handle(Geom2d_Curve)& aPCurve = EdgeNewPCurve(anEdge);
+ BB.UpdateEdge(anEdge, aPCurve, RefFace, 0.);
}
- 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);
- aW.Closed (Standard_True);
- B.Add(aResult,aW);
}
+ } //if (!SeamFound)
+ } //if (Uperiod != 0.)
+ ////////////////////////////////////
+ F_RefFace = RefFace;
+ F_RefFace.Orientation(TopAbs_FORWARD);
+
+ TopTools_SequenceOfShape NewFaces, NewWires;
+
+ if (Uperiod == 0)
+ {
+ //Set the "period" for closed non-periodic surface
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(RefFace, aLoc);
+ if (aSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)))
+ aSurf = (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurf))->BasisSurface();
+ Standard_Real Ufirst, Ulast, Vfirst, Vlast;
+ aSurf->Bounds(Ufirst, Ulast, Vfirst, Vlast);
+ if (aSurf->IsUClosed())
+ Uperiod = Ulast - Ufirst;
+ }
+
+ TopTools_MapOfShape UsedEdges;
+
+ Standard_Real FaceUmin = RealLast();
+ for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(edges(ii));
+ BRepAdaptor_Curve2d aBAcurve(anEdge, F_RefFace);
+ gp_Pnt2d aFirstPoint = aBAcurve.Value(aBAcurve.FirstParameter());
+ gp_Pnt2d aLastPoint = aBAcurve.Value(aBAcurve.LastParameter());
+ if (aFirstPoint.X() < FaceUmin)
+ FaceUmin = aFirstPoint.X();
+ if (aLastPoint.X() < FaceUmin)
+ FaceUmin = aLastPoint.X();
+ }
+
+ //Building new wires from <edges>
+ //and build faces
+ while (!edges.IsEmpty())
+ {
+ //try to find non-degenerated edge
+ TopoDS_Edge StartEdge = TopoDS::Edge(edges(1));
+ Standard_Integer istart = 1;
+ while (BRep_Tool::Degenerated(StartEdge) &&
+ istart < edges.Length())
+ {
+ istart++;
+ StartEdge = TopoDS::Edge(edges(istart));
}
- // perform substitution of face
- //aContext->Replace(aContext->Apply(aFace),aResult);
- myContext->Replace(myContext->Apply(aFace),aResult);
- //for history
- /*
- if (!myOldNewMap.IsBound(aFace))
+ TopoDS_Wire aNewWire;
+ BB.MakeWire(aNewWire);
+ BB.Add(aNewWire, StartEdge);
+ RemoveEdgeFromMap(StartEdge, VEmap);
+
+ Standard_Real fpar, lpar;
+ Handle(Geom2d_Curve) StartPCurve = BRep_Tool::CurveOnSurface(StartEdge, F_RefFace, fpar, lpar);
+ TopoDS_Vertex StartVertex, CurVertex;
+ TopExp::Vertices(StartEdge, StartVertex, CurVertex, Standard_True); //with orientation
+ Standard_Real StartParam, CurParam;
+ if (StartEdge.Orientation() == TopAbs_FORWARD)
+ {
+ StartParam = fpar; CurParam = lpar;
+ }
+ else
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aFace, EmptyList);
+ StartParam = lpar; CurParam = fpar;
}
- 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, anIntWires;
- ShapeFix_SequenceOfWireSegment wires;
- for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) {
- const TopoDS_Wire& aWire = TopoDS::Wire(W_Exp.Current());
- // check if the wire is ordinary (contains non-internal edges)
- Standard_Boolean isInternal = Standard_True;
- for (TopoDS_Iterator it(aWire); it.More() && isInternal; it.Next())
- isInternal = (it.Value().Orientation() == TopAbs_INTERNAL);
- if (isInternal)
+ gp_Pnt2d StartPoint = StartPCurve->Value(StartParam);
+ gp_Pnt2d CurPoint = StartPCurve->Value(CurParam);
+
+ TopoDS_Edge CurEdge = StartEdge;
+ for (;;) //loop till the end of current new wire
+ {
+ TopoDS_Edge NextEdge;
+ gp_Pnt2d NextPoint;
+
+ const TopTools_ListOfShape& Elist = VEmap.FindFromKey(CurVertex);
+ TopTools_ListIteratorOfListOfShape itl(Elist);
+ if (Elist.IsEmpty())
+ {
+ if (CurVertex.IsSame(StartVertex))
{
- // place internal wire separately
- anIntWires.Append(aWire);
+ //Points of two vertices coincide in 3d but may be not in 2d
+ if (Uperiod != 0. &&
+ Abs(StartPoint.X() - CurPoint.X()) > Uperiod/2) //end of parametric space
+ {
+ //<edges> do not contain seams => we must reconstruct the seam up to <NextEdge>
+ gp_Pnt2d StartOfNextEdge;
+ TopoDS_Vertex LastVertexOfSeam;
+ ReconstructMissedSeam(edges, UsedEdges, F_RefFace, CurVertex,
+ CurPoint, Uperiod, FaceUmin, CoordTol,
+ NextEdge, aNewWire, NextPoint,
+ StartOfNextEdge, LastVertexOfSeam, VEmap);
+ }
+ else
+ {
+ break; //end of wire
+ }
}
+ }
+
+ if (NextEdge.IsNull())
+ {
+ Standard_Boolean EndOfWire = Standard_False;
+
+ TopTools_ListOfShape TmpElist, TrueElist;
+ //<TrueElist> will be the list of candidates to become <NextEdge>
+ for (itl.Initialize(Elist); itl.More(); itl.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itl.Value());
+ if (UsedEdges.Contains(anEdge))
+ continue;
+ TopoDS_Vertex aFirstVertex = TopExp::FirstVertex(anEdge, Standard_True);
+ if (!aFirstVertex.IsSame(CurVertex))
+ continue;
+ TmpElist.Append(anEdge);
+ }
+ if (TmpElist.Extent() <= 1 ||
+ Uperiod != 0.)
+ TrueElist.Assign(TmpElist);
else
{
- Handle(ShapeExtend_WireData) sbwd =
- new ShapeExtend_WireData (aWire);
- ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED );
- wires.Append(seg);
+ //we must choose the closest direction - the biggest angle
+ Standard_Real MaxAngle = RealFirst();
+ TopoDS_Edge TrueEdge;
+ Handle(Geom2d_Curve) CurPCurve = BRep_Tool::CurveOnSurface(CurEdge, F_RefFace, fpar, lpar);
+ CurParam = (CurEdge.Orientation() == TopAbs_FORWARD)? lpar : fpar;
+ gp_Vec2d CurDir;
+ CurPCurve->D1(CurParam, CurPoint, CurDir);
+ CurDir.Normalize();
+ if (CurEdge.Orientation() == TopAbs_REVERSED)
+ CurDir.Reverse();
+ for (itl.Initialize(TmpElist); itl.More(); itl.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itl.Value());
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, F_RefFace, fpar, lpar);
+ Standard_Real aParam = (anEdge.Orientation() == TopAbs_FORWARD)? fpar : lpar;
+ gp_Pnt2d aPoint;
+ gp_Vec2d aDir;
+ aPCurve->D1(aParam, aPoint, aDir);
+ aDir.Normalize();
+ if (anEdge.Orientation() == TopAbs_REVERSED)
+ aDir.Reverse();
+ Standard_Real anAngle = CurDir.Angle(aDir);
+ if (anAngle > MaxAngle)
+ {
+ MaxAngle = anAngle;
+ TrueEdge = anEdge;
+ }
+ }
+ TrueElist.Append(TrueEdge);
}
- }
- 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();
- // put internal wires to faces
- putIntWires(parts(j), anIntWires);
+ //Find next edge in TrueElist
+ for (itl.Initialize(TrueElist); itl.More(); itl.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itl.Value());
+
+ Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, F_RefFace, fpar, lpar);
+ Standard_Real aParam = (anEdge.Orientation() == TopAbs_FORWARD)? fpar : lpar;
+ gp_Pnt2d aPoint = aPCurve->Value(aParam);
+ Standard_Real Diff = Abs(aPoint.X() - CurPoint.X());
+ if (Uperiod != 0. &&
+ Diff > CoordTol &&
+ Abs(Diff - Uperiod) > CoordTol) //may be is is a deg.vertex
+ continue;
+
+ //Check: may be <CurPoint> and <aPoint> are on Period from each other
+ if (Uperiod != 0. && Diff > Uperiod/2) //end of parametric space
+ {
+ //<edges> do not contain seams => we must reconstruct the seam up to <NextEdge>
+ gp_Pnt2d StartOfNextEdge;
+ TopoDS_Vertex LastVertexOfSeam;
+ ReconstructMissedSeam(edges, UsedEdges, F_RefFace, CurVertex,
+ CurPoint, Uperiod, FaceUmin, CoordTol,
+ NextEdge, aNewWire, NextPoint,
+ StartOfNextEdge, LastVertexOfSeam, VEmap);
+
+ //Check: may be it is the end
+ if (LastVertexOfSeam.IsSame(StartVertex) &&
+ Abs(StartPoint.X() - StartOfNextEdge.X()) < Uperiod/2)
+ EndOfWire = Standard_True;
+
+ break;
+ } //if (Uperiod != 0. && Abs(aPoint.X() - CurPoint.X()) > Uperiod/2)
+ else
+ {
+ NextEdge = anEdge;
+ Standard_Real LastParam = (NextEdge.Orientation() == TopAbs_FORWARD)? lpar : fpar;
+ NextPoint = aPCurve->Value(LastParam);
+ break;
+ }
+ } //for (itl.Initialize(TrueElist); itl.More(); itl.Next())
+
+ if (EndOfWire)
+ break;
}
-
- TopoDS_Shape CompRes;
- if ( parts.Length() !=1 ) {
- TopoDS_Shell S;
- B.MakeShell ( S );
- for ( i=1; i <= parts.Length(); i++ )
- B.Add ( S, parts(i) );
- S.Closed (BRep_Tool::IsClosed (S));
- CompRes = S;
+
+ if (NextEdge.IsNull())
+ {
+ //throw Standard_ConstructionError("Construction of unified wire failed: no proper edge found");
+ return;
}
- else CompRes = parts(1);
-
- //aContext->Replace(aCurrent,CompRes);
- myContext->Replace(aCurrent,CompRes);
- //for history
- /*
- if (!myOldNewMap.IsBound(aCurrent))
+ else
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aCurrent, EmptyList);
+ CurPoint = NextPoint;
+ CurEdge = NextEdge;
+ CurVertex = TopExp::LastVertex(CurEdge, Standard_True); //with orientation
+ BB.Add(aNewWire, CurEdge);
+ UsedEdges.Add(CurEdge);
+ RemoveEdgeFromMap(CurEdge, VEmap);
}
- myOldNewMap(aCurrent).Clear();
- myOldNewMap(aCurrent).Append(CompRes);
- */
- /////////////
+ } //for (;;)
+ UsedEdges.Add(StartEdge);
+
+ //Remove used edges from sequence
+ Standard_Integer ind = 1;
+ while (ind <= edges.Length())
+ {
+ if (UsedEdges.Contains(edges(ind)))
+ edges.Remove(ind);
+ else
+ ind++;
}
-
- // remove the remaining faces
- for(i = 2; i <= faces.Length(); i++)
- {
- myOldShapes.Bind(faces(i), theResult);
- myContext->Remove(faces(i));
+
+ //add just built wire to current face or save it in the sequence of wires
+ Standard_Boolean EdgeOnBoundOfSurfFound = Standard_False;
+ TopoDS_Iterator itw(aNewWire);
+ for (; itw.More(); itw.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itw.Value());
+ if (BRep_Tool::IsClosed(anEdge, RefFace))
+ {
+ EdgeOnBoundOfSurfFound = Standard_True;
+ break;
+ }
}
- }
- } // 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;
- if (!myContext.IsNull()) sfe.SetContext(myContext);
- 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());
+ if (EdgeOnBoundOfSurfFound) //this wire can not be a hole
+ {
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(RefFace, aLoc);
+ TopoDS_Face aResult;
+ BB.MakeFace(aResult,aSurf,aLoc,0);
+ BB.Add(aResult, aNewWire);
+ aResult.Orientation(RefFaceOrientation);
+ NewFaces.Append(aResult);
+ }
+ else //may be this wire is a hole
+ {
+ NewWires.Append(aNewWire);
+ }
+ } //while (!edges.IsEmpty())
+
+ //Build wires from internal edges
+ TopTools_IndexedDataMapOfShapeListOfShape IntVEmap;
+ for (Standard_Integer ii = 1; ii <= InternalEdges.Extent(); ii++)
+ TopExp::MapShapesAndAncestors(InternalEdges(ii), TopAbs_VERTEX, TopAbs_EDGE, IntVEmap);
+ TopTools_SequenceOfShape InternalWires;
+ while (!InternalEdges.IsEmpty())
+ {
+ TopoDS_Edge aFirstEdge = TopoDS::Edge(InternalEdges(1));
+ InternalEdges.RemoveFromIndex(1);
+ TopoDS_Wire anInternalWire;
+ BB.MakeWire(anInternalWire);
+ BB.Add(anInternalWire, aFirstEdge);
+ TopoDS_Edge EndEdges [2];
+ EndEdges[0] = EndEdges[1] = aFirstEdge;
+ TopoDS_Vertex VV [2];
+ TopExp::Vertices(aFirstEdge, VV[0], VV[1]);
+ for (;;)
+ {
+ if (VV[0].IsSame(VV[1])) //closed wire
+ break;
+ Standard_Boolean found = Standard_False;
+ for (Standard_Integer ii = 0; ii < 2; ii++)
+ {
+ const TopTools_ListOfShape& Elist = IntVEmap.FindFromKey(VV[ii]);
+ TopTools_ListIteratorOfListOfShape itl(Elist);
+ for (; itl.More(); itl.Next())
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(itl.Value());
+ if (anEdge.IsSame(EndEdges[ii]))
+ continue;
+ found = Standard_True;
+ InternalEdges.RemoveKey(anEdge);
+ BB.Add(anInternalWire, anEdge);
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(anEdge, V1, V2);
+ VV[ii] = (V1.IsSame(VV[ii]))? V2 : V1;
+ EndEdges[ii] = anEdge;
+ break;
+ }
+ }
+ if (!found) //end of open wire
+ break;
+ }
+ InternalWires.Append(anInternalWire);
}
- myContext->Replace(aShell, aResult);
- //for history
- /*
- if (!myOldNewMap.IsBound(aShell))
+ //Insert new faces instead of old ones
+ if (NewFaces.IsEmpty())
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aShell, EmptyList);
+ //one face without seam
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(RefFace, aLoc);
+ TopoDS_Face aResult;
+ BB.MakeFace(aResult,aSurf,aLoc,0.);
+ for (Standard_Integer ii = 1; ii <= NewWires.Length(); ii++)
+ BB.Add(aResult, NewWires(ii));
+ for (Standard_Integer ii = 1; ii <= InternalWires.Length(); ii++)
+ BB.Add(aResult, InternalWires(ii));
+ aResult.Orientation(RefFaceOrientation);
+ myContext->Merge(faces, aResult);
}
- 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();
+ else if (NewFaces.Length() == 1)
+ {
+ for (Standard_Integer ii = 1; ii <= NewWires.Length(); ii++)
+ BB.Add(NewFaces(1), NewWires(ii));
+ for (Standard_Integer ii = 1; ii <= InternalWires.Length(); ii++)
+ BB.Add(NewFaces(1), InternalWires(ii));
+ myContext->Merge(faces, NewFaces(1));
+ }
+ else
+ {
+ //Insert new wires and internal wires into correspondent faces
+ InsertWiresIntoFaces(NewWires, NewFaces, RefFace);
+ InsertWiresIntoFaces(InternalWires, NewFaces, RefFace);
+
+ NCollection_Sequence<TopTools_MapOfShape> Emaps;
+ for (Standard_Integer ii = 1; ii <= faces.Length(); ii++)
+ {
+ TopTools_MapOfShape aEmap;
+ TopExp::MapShapes(faces(ii), aEmap);
+ Emaps.Append(aEmap);
+ }
+ for (Standard_Integer ii = 1; ii <= NewFaces.Length(); ii++)
+ {
+ TopTools_SequenceOfShape facesForThisFace;
+ TopTools_MapOfShape UsedFaces;
+ TopExp_Explorer Explo(NewFaces(ii), TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current());
+ if (BRep_Tool::Degenerated(anEdge) ||
+ BRep_Tool::IsClosed(anEdge, RefFace))
+ continue;
+ Standard_Integer jj;
+ for (jj = 1; jj <= Emaps.Length(); jj++)
+ if (Emaps(jj).Contains(anEdge))
+ break;
+ if (UsedFaces.Add(faces(jj)))
+ facesForThisFace.Append(faces(jj));
+ }
+ myContext->Merge(facesForThisFace, NewFaces(ii));
}
}
- }
- } // end processing each shell
-
- myShape = myContext->Apply(myShape);
+ } //if (faces.Length() > 1)
+ } // end processing each face
}
//=======================================================================
//=======================================================================
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);
-
- TopTools_IndexedMapOfShape ChangedFaces;
-
+ TopoDS_Shape aRes = myContext->Apply(myShape);
// creating map of edge faces
TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
- TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
-
+ TopExp::MapShapesAndAncestors(aRes, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
// creating map of vertex edges
TopTools_IndexedDataMapOfShapeListOfShape aMapEdgesVertex;
- TopExp::MapShapesAndAncestors(myShape, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex);
-
- //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
- TopoDS_Shape aRes = myShape;
- //aRes = aContext->Apply(aSolid);
- aRes = myContext->Apply(myShape);
-
- TopTools_MapOfShape SharedVert;
-
-
- TopTools_IndexedMapOfShape anOldEdges;
- TopExp::MapShapes(myInitShape, TopAbs_EDGE, anOldEdges);
-
- TopTools_DataMapOfShapeShape NewEdges2OldEdges;
- for (int i = 1; i <= anOldEdges.Extent(); i++)
+ TopExp::MapShapesAndUniqueAncestors(aRes, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex);
+ // creating map of vertex faces
+ TopTools_IndexedDataMapOfShapeListOfShape aVFmap;
+ TopExp::MapShapesAndUniqueAncestors(aRes, TopAbs_VERTEX, TopAbs_FACE, aVFmap);
+
+ if (mySafeInputMode)
+ UpdateMapOfShapes(myKeepShapes, myContext);
+
+ // Sequence of the edges of the shape
+ TopTools_SequenceOfShape aSeqEdges;
+ const Standard_Integer aNbE = aMapEdgeFaces.Extent();
+ for (Standard_Integer i = 1; i <= aNbE; ++i)
+ aSeqEdges.Append(aMapEdgeFaces.FindKey(i));
+
+ // Prepare map of shared vertices (with the number of connected edges greater then 2)
+ TopTools_MapOfShape aSharedVert;
+ CheckSharedVertices(aSeqEdges, aMapEdgesVertex, myKeepShapes, aSharedVert);
+ // Merge the edges avoiding removal of the shared vertices
+ Standard_Boolean isMerged = MergeSeq(aSeqEdges, aVFmap, myAngTol, myLinTol, myConcatBSplines,
+ mySafeInputMode, myContext, aSharedVert);
+ // Collect faces to rebuild
+ TopTools_IndexedMapOfShape aChangedFaces;
+ if (isMerged)
{
- TopoDS_Shape NewEdge = myContext->Apply(anOldEdges(i));
- if (!NewEdge.IsNull())
- NewEdges2OldEdges.Bind(NewEdge, anOldEdges(i));
- }
-
- TopExp_Explorer exp;
- // processing separate wires
- for (exp.Init(aRes, TopAbs_WIRE, TopAbs_FACE); exp.More(); exp.Next())
- {
- TopTools_SequenceOfShape SeqEdges;
- TopExp_Explorer expE(exp.Current(), TopAbs_EDGE);
- for (; expE.More(); expE.Next())
- SeqEdges.Append(expE.Current());
- SharedVert.Clear();
- CheckSharedVertices(SeqEdges, aMapEdgesVertex, SharedVert);
- MergeSeq(SeqEdges, Tol, myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges);
- }
-
- TopTools_DataMapOfShapeShape oldFaces2NewFaces;
- for (exp.Init(myShape, TopAbs_FACE); exp.More(); exp.Next())
- {
- const TopoDS_Face& f = TopoDS::Face(exp.Current());
- TopoDS_Face NewF = TopoDS::Face(myContext->Apply(f));
- if (!NewF.IsNull())
- oldFaces2NewFaces.Bind(f, NewF);
- }
-
- // processing each face
- 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;
- TopTools_SequenceOfShape aNonSharedEdges;
- 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);
- Standard_Integer NbFacesPerEdge = aList.Extent();
- for ( ; anIter.More(); anIter.Next()) {
- TopoDS_Face face = TopoDS::Face(anIter.Value());
- TopoDS_Face face1 = TopoDS::Face(oldFaces2NewFaces(anIter.Value()));
- if (face1.IsSame(aFace) && NbFacesPerEdge != 1)
- continue;
- if (NbFacesPerEdge == 1)
- //store non-shared edges separately
- aNonSharedEdges.Append(edge);
- else
- {
- 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;
-
- SharedVert.Clear();
- CheckSharedVertices(SeqEdges, aMapEdgesVertex, SharedVert);
- //if (!SharedVert.IsEmpty())
- // continue;
- if ( MergeSeq(SeqEdges,Tol,myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges) )
- {
- //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);
- }
- }
-
- if ( aNonSharedEdges.Length() > 1 )
+ for (Standard_Integer i = 1; i <= aNbE; ++i)
{
- SharedVert.Clear();
- CheckSharedVertices(aNonSharedEdges, aMapEdgesVertex, SharedVert);
- if ( MergeSeq(aNonSharedEdges, Tol, myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges) )
+ const TopoDS_Shape& aE = aMapEdgeFaces.FindKey(i);
+ if (myContext->IsRecorded(aE))
{
- TopoDS_Face tmpF = TopoDS::Face(exp.Current());
- if ( !ChangedFaces.Contains(tmpF) )
- ChangedFaces.Add(tmpF);
+ TopTools_ListIteratorOfListOfShape it(aMapEdgeFaces(i));
+ for (; it.More(); it.Next())
+ aChangedFaces.Add(it.Value());
}
}
-
- } // 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)));
+ Standard_Real aPrec = Precision::Confusion();
+ for (Standard_Integer i = 1; i <= aChangedFaces.Extent(); i++) {
+ TopoDS_Face aFace = TopoDS::Face(myContext->Apply(aChangedFaces.FindKey(i)));
if (aFace.IsNull())
continue;
- 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))
+
+ // for a planar face create and store pcurve of edge on face
+ // to speed up all operations; but this is allowed only when non-safe mode in force
+ if (!mySafeInputMode)
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aFace, EmptyList);
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace, aLoc);
+ aSurface = ClearRts(aSurface);
+ if (aSurface->IsKind(STANDARD_TYPE(Geom_Plane)))
+ {
+ TopTools_ListOfShape aLE;
+ for (TopExp_Explorer anEx(aFace, TopAbs_EDGE); anEx.More(); anEx.Next())
+ aLE.Append(anEx.Current());
+ BRepLib::BuildPCurveForEdgesOnPlane(aLE, aFace);
+ }
}
- myOldNewMap(aFace).Clear();
- myOldNewMap(aFace).Append(aNewFace);
- */
- /////////////
+
+ ShapeFix_Face sff(aFace);
+ if (mySafeInputMode)
+ sff.SetContext(myContext);
+ sff.SetPrecision(aPrec);
+ sff.SetMinTolerance(aPrec);
+ sff.SetMaxTolerance(Max(1., aPrec*1000.));
+ sff.FixOrientationMode() = 0;
+ sff.FixAddNaturalBoundMode() = 0;
+ sff.FixIntersectingWiresMode() = 0;
+ sff.FixLoopWiresMode() = 0;
+ sff.FixSplitFaceMode() = 0;
+ sff.FixPeriodicDegeneratedMode() = 0;
+ SetFixWireModes(sff);
+ sff.Perform();
+ TopoDS_Shape aNewFace = sff.Face();
+ myContext->Replace(aFace,aNewFace);
}
- if (ChangedFaces.Extent() > 0) {
+ if (aChangedFaces.Extent() > 0) {
// fix changed shell and replace it in the local context
- //TopoDS_Shape aRes1 = aContext->Apply(aRes);
TopoDS_Shape aRes1 = myContext->Apply(aRes);
+ Standard_Boolean isChanged = Standard_False;
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);
+ if (!aNewShell.IsSame(aShell)) {
+ myContext->Replace(aShell, aNewShell);
+ isChanged = Standard_True;
}
- myOldNewMap(aShell).Clear();
- myOldNewMap(aShell).Append(aNewShell);
- */
- /////////////
- }
- //TopoDS_Shape aRes2 = aContext->Apply(aRes1);
- TopoDS_Shape aRes2 = myContext->Apply(aRes1);
- myContext->Replace(myShape,aRes2);
- //for history
- /*
- if (!myOldNewMap.IsBound(aSolid))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aSolid, EmptyList);
}
- myOldNewMap(aSolid).Clear();
- myOldNewMap(aSolid).Append(aRes2);
- */
- /////////////
+ if (isChanged)
+ aRes1 = myContext->Apply(aRes1);
+ myContext->Replace(myShape, aRes1);
}
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)
+ if (myUnifyFaces)
UnifyFaces();
+ if (myUnifyEdges)
+ UnifyEdges();
- //Done();
+ // Fill the history of modifications during the operation
+ FillHistory();
}
//=======================================================================
-//function : Shape
-//purpose : give the resulting shape
+//function : FillHistory
+//purpose : Fill the history of modifications during the operation
//=======================================================================
-const TopoDS_Shape& ShapeUpgrade_UnifySameDomain::Shape() const
+void ShapeUpgrade_UnifySameDomain::FillHistory()
{
- return myShape;
-}
+ if (myHistory.IsNull())
+ // History is not requested
+ return;
+
+ // Only Vertices, Edges and Faces can be modified during unification.
+ // Thus, only these kind of shapes should be checked.
+
+ // Get history from the context.
+ // It contains all modifications of the operation. Some of these
+ // modifications become not relevant and should be filtered.
+ Handle(BRepTools_History) aCtxHistory = myContext->History();
+
+ // Explore the history of the context and fill
+ // the history of UnifySameDomain algorithm
+ Handle(BRepTools_History) aUSDHistory = new BRepTools_History();
+
+ // Map all Vertices, Edges, Faces and Solids in the input shape
+ TopTools_IndexedMapOfShape aMapInputShape;
+ TopExp::MapShapes(myInitShape, TopAbs_VERTEX, aMapInputShape);
+ TopExp::MapShapes(myInitShape, TopAbs_EDGE , aMapInputShape);
+ TopExp::MapShapes(myInitShape, TopAbs_FACE , aMapInputShape);
+ TopExp::MapShapes(myInitShape, TopAbs_SOLID , aMapInputShape);
+
+ // Map all Vertices, Edges, Faces and Solids in the result shape
+ TopTools_IndexedMapOfShape aMapResultShapes;
+ TopExp::MapShapes(myShape, TopAbs_VERTEX, aMapResultShapes);
+ TopExp::MapShapes(myShape, TopAbs_EDGE , aMapResultShapes);
+ TopExp::MapShapes(myShape, TopAbs_FACE , aMapResultShapes);
+ TopExp::MapShapes(myShape, TopAbs_SOLID , aMapResultShapes);
+
+ // Iterate on all input shapes and get their modifications
+ Standard_Integer i, aNb = aMapInputShape.Extent();
+ for (i = 1; i <= aNb; ++i)
+ {
+ const TopoDS_Shape& aS = aMapInputShape(i);
-//=======================================================================
-//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);
+ // Check the shape itself to be present in the result
+ if (aMapResultShapes.Contains(aS))
+ {
+ // The shape is present in the result as is, thus has not been modified
+ continue;
+ }
- if (aNewShape.IsNull())
- aNewShape = myContext->Apply(myOldShapes(aShape));
-
- return aNewShape;
+ // Check if the shape has been modified during the operation
+ const TopTools_ListOfShape& aLSImages = aCtxHistory->Modified(aS);
+ if (aLSImages.IsEmpty())
+ {
+ // The shape has not been modified and not present in the result,
+ // thus it has been removed
+ aUSDHistory->Remove(aS);
+ continue;
+ }
+
+ // Check the images of the shape to be present in the result
+ Standard_Boolean bRemoved = Standard_True;
+ TopTools_ListIteratorOfListOfShape aItLSIm(aLSImages);
+ for (; aItLSIm.More(); aItLSIm.Next())
+ {
+ const TopoDS_Shape& aSIm = aItLSIm.Value();
+ if (aMapResultShapes.Contains(aSIm))
+ {
+ if (!aSIm.IsSame(aS))
+ // Image is found in the result, thus the shape has been modified
+ aUSDHistory->AddModified(aS, aSIm);
+ bRemoved = Standard_False;
+ }
+ }
+
+ if (bRemoved)
+ {
+ // No images are found in the result, thus the shape has been removed
+ aUSDHistory->Remove(aS);
+ }
+ }
+
+ // Merge the history of the operation into global history
+ myHistory->Merge(aUSDHistory);
}
projects / occt.git / blobdiff