-// File: ShapeUpgrade_UnifySameDomain.cxx
-// Created: 09.06.12 14:35:07
-// Author: jgv@ROLEX
-// Copyright: Open CASCADE 2012
+// Created on: 2012-06-09
+// Created by: jgv@ROLEX
+// Copyright (c) 2012-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
-#include <ShapeUpgrade_UnifySameDomain.ixx>
-#include <ShapeUpgrade_UnifySameDomain.hxx>
-#include <TopTools_SequenceOfShape.hxx>
-#include <TopTools_IndexedMapOfShape.hxx>
-#include <TopExp_Explorer.hxx>
-#include <Geom_Surface.hxx>
-#include <Geom_Line.hxx>
-#include <gp_Dir.hxx>
-#include <Geom_CylindricalSurface.hxx>
-#include <gp_Cylinder.hxx>
-#include <Geom_SurfaceOfRevolution.hxx>
-#include <Geom_SurfaceOfLinearExtrusion.hxx>
-#include <gp_Lin.hxx>
+
+#include <BRep_Builder.hxx>
+#include <BRep_Tool.hxx>
+#include <BRepLib.hxx>
+#include <BRepLib_MakeEdge.hxx>
+#include <BRepTopAdaptor_TopolTool.hxx>
+#include <GC_MakeCircle.hxx>
+#include <Geom2d_Line.hxx>
+#include <Geom2d_TrimmedCurve.hxx>
+#include <Geom2dConvert.hxx>
+#include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
+#include <Geom_BezierCurve.hxx>
+#include <Geom_BSplineCurve.hxx>
#include <Geom_Circle.hxx>
+#include <Geom_CylindricalSurface.hxx>
+#include <Geom_ElementarySurface.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_OffsetSurface.hxx>
+#include <Geom_Plane.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
-#include <TopoDS_Face.hxx>
-#include <BRep_Tool.hxx>
+#include <Geom_Surface.hxx>
+#include <Geom_SurfaceOfLinearExtrusion.hxx>
+#include <Geom_SurfaceOfRevolution.hxx>
+#include <Geom_SweptSurface.hxx>
+#include <Geom_TrimmedCurve.hxx>
#include <GeomAdaptor_HSurface.hxx>
-#include <BRepTopAdaptor_TopolTool.hxx>
-#include <IntPatch_ImpImpIntersection.hxx>
+#include <GeomConvert.hxx>
+#include <GeomConvert_CompCurveToBSplineCurve.hxx>
#include <GeomLib_IsPlanarSurface.hxx>
-#include <BRep_Builder.hxx>
-#include <ShapeFix_Wire.hxx>
-#include <TopoDS.hxx>
+#include <gp_Cylinder.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Lin.hxx>
+#include <IntPatch_ImpImpIntersection.hxx>
#include <ShapeAnalysis_Edge.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TColGeom_SequenceOfSurface.hxx>
-#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
-#include <BRep_TEdge.hxx>
-#include <BRep_CurveRepresentation.hxx>
-#include <TColGeom_Array1OfBSplineCurve.hxx>
-#include <TColGeom_HArray1OfBSplineCurve.hxx>
+#include <ShapeAnalysis_WireOrder.hxx>
+#include <ShapeBuild_Edge.hxx>
+#include <ShapeBuild_ReShape.hxx>
+#include <ShapeFix_Edge.hxx>
+#include <ShapeFix_Face.hxx>
+#include <ShapeFix_Shell.hxx>
+#include <ShapeFix_Wire.hxx>
+#include <ShapeUpgrade_UnifySameDomain.hxx>
+#include <Standard_Type.hxx>
#include <TColGeom2d_Array1OfBSplineCurve.hxx>
#include <TColGeom2d_HArray1OfBSplineCurve.hxx>
-#include <TColStd_Array1OfReal.hxx>
-#include <TopExp.hxx>
-#include <Geom_TrimmedCurve.hxx>
-#include <Geom2d_TrimmedCurve.hxx>
-#include <GeomConvert.hxx>
-#include <Geom2dConvert.hxx>
-#include <GeomConvert_CompCurveToBSplineCurve.hxx>
-#include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
#include <TColGeom2d_SequenceOfBoundedCurve.hxx>
-#include <BRepLib_MakeEdge.hxx>
+#include <TColGeom_Array1OfBSplineCurve.hxx>
+#include <TColGeom_HArray1OfBSplineCurve.hxx>
+#include <TColGeom_SequenceOfSurface.hxx>
+#include <TColStd_Array1OfReal.hxx>
#include <TColStd_MapOfInteger.hxx>
-#include <BRepLib.hxx>
-#include <GC_MakeCircle.hxx>
-#include <Geom_BezierCurve.hxx>
-#include <ShapeBuild_ReShape.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
-#include <TopTools_MapOfShape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
-#include <ShapeAnalysis_WireOrder.hxx>
-#include <ShapeBuild_Edge.hxx>
-#include <Geom2d_Line.hxx>
-#include <ShapeFix_Face.hxx>
-#include <TColGeom_HArray2OfSurface.hxx>
-#include <ShapeExtend_CompositeSurface.hxx>
-#include <ShapeFix_ComposeShell.hxx>
-#include <ShapeFix_SequenceOfWireSegment.hxx>
-#include <ShapeFix_WireSegment.hxx>
-#include <ShapeFix_Edge.hxx>
-#include <ShapeFix_Shell.hxx>
-#include <ShapeUpgrade_RemoveLocations.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <gp_Circ.hxx>
+#include <BRepAdaptor_Curve.hxx>
+#include <BRepAdaptor_Curve2d.hxx>
+#include <gp_Vec2d.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_UnifySameDomain,Standard_Transient)
+
+struct SubSequenceOfEdges
+{
+ TopTools_SequenceOfShape SeqsEdges;
+ TopoDS_Edge UnionEdges;
+};
+
+static Standard_Boolean IsLikeSeam(const TopoDS_Edge& anEdge,
+ const TopoDS_Face& aFace,
+ const Handle(Geom_Surface)& aBaseSurface)
+{
+ if (!aBaseSurface->IsUPeriodic() && !aBaseSurface->IsVPeriodic())
+ return Standard_False;
+
+ BRepAdaptor_Curve2d BAcurve2d(anEdge, aFace);
+ gp_Pnt2d FirstPoint, LastPoint;
+ gp_Vec2d FirstDir, LastDir;
+ BAcurve2d.D1(BAcurve2d.FirstParameter(), FirstPoint, FirstDir);
+ BAcurve2d.D1(BAcurve2d.LastParameter(), LastPoint, LastDir);
+ Standard_Real Length = FirstDir.Magnitude();
+ if (Length <= gp::Resolution())
+ return Standard_False;
+ else
+ FirstDir /= Length;
+ Length = LastDir.Magnitude();
+ if (Length <= gp::Resolution())
+ return Standard_False;
+ else
+ LastDir /= Length;
+
+ Standard_Real Tol = 1.e-7;
+ if (aBaseSurface->IsUPeriodic() &&
+ (Abs(FirstDir.X()) < Tol) &&
+ (Abs(LastDir.X()) < Tol))
+ return Standard_True;
+
+ if (aBaseSurface->IsVPeriodic() &&
+ (Abs(FirstDir.Y()) < Tol) &&
+ (Abs(LastDir.Y()) < Tol))
+ return Standard_True;
+ return Standard_False;
+}
//=======================================================================
//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;
}
}
- // 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(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());
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);
}
//=======================================================================
-//function : MergeEdges
-//purpose : auxilary
+//function : MergeSubSeq
+//purpose : Merges a sequence of edges into one edge if possible
//=======================================================================
-static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
- const TopoDS_Face& /*aFace*/,
- const Standard_Real Tol,
- const Standard_Boolean ConcatBSplines,
- TopoDS_Edge& anEdge)
+
+static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& aChain,
+ TopoDS_Edge& OutEdge,
+ double theAngTol,
+ Standard_Boolean ConcatBSplines,
+ Standard_Boolean isSafeInputMode,
+ Handle(ShapeBuild_ReShape)& theContext)
{
- // make chain for union
- BRep_Builder B;
ShapeAnalysis_Edge sae;
- TopoDS_Edge FirstE = TopoDS::Edge(SeqEdges.Value(1));
- TopoDS_Edge LastE = FirstE;
- TopoDS_Vertex VF = sae.FirstVertex(FirstE);
- TopoDS_Vertex VL = sae.LastVertex(LastE);
- TopTools_SequenceOfShape aChain;
- aChain.Append(FirstE);
- TColStd_MapOfInteger IndUsedEdges;
- IndUsedEdges.Add(1);
- Standard_Integer j;
- for (j = 1; j <= SeqEdges.Length(); j++)
- {
- TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
- if (BRep_Tool::Degenerated(anEdge))
- return Standard_False;
- }
-
- for(j=2; j<=SeqEdges.Length(); j++) {
- for(Standard_Integer k=2; k<=SeqEdges.Length(); k++) {
- if(IndUsedEdges.Contains(k)) continue;
- TopoDS_Edge edge = TopoDS::Edge(SeqEdges.Value(k));
- TopoDS_Vertex VF2 = sae.FirstVertex(edge);
- TopoDS_Vertex VL2 = sae.LastVertex(edge);
- if(sae.FirstVertex(edge).IsSame(VL)) {
- aChain.Append(edge);
- LastE = edge;
- VL = sae.LastVertex(LastE);
- IndUsedEdges.Add(k);
- }
- else if(sae.LastVertex(edge).IsSame(VF)) {
- aChain.Prepend(edge);
- FirstE = edge;
- VF = sae.FirstVertex(FirstE);
- IndUsedEdges.Add(k);
- }
- }
- }
- if(aChain.Length()<SeqEdges.Length()) {
-#ifdef DEB
- cout<<"can not create correct chain..."<<endl;
-#endif
- return Standard_False;
- }
+ BRep_Builder B;
// union edges in chain
- // first step: union lines and circles
- TopLoc_Location Loc;
+ int j;
Standard_Real fp1,lp1,fp2,lp2;
- for(j=1; j<aChain.Length(); j++) {
+ Standard_Boolean IsUnionOfLinesPossible = Standard_True;
+ Standard_Boolean IsUnionOfCirclesPossible = Standard_True;
+ Handle(Geom_Curve) c3d1, c3d2;
+ for(j=1; j<aChain.Length(); j++)
+ {
TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j));
- Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(edge1,Loc,fp1,lp1);
- if(c3d1.IsNull()) break;
+ c3d1 = BRep_Tool::Curve(edge1,fp1,lp1);
+
+ TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
+ c3d2 = BRep_Tool::Curve(edge2,fp2,lp2);
+
+ if(c3d1.IsNull() || c3d2.IsNull())
+ return Standard_False;
+
while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) tc =
Handle(Geom_TrimmedCurve)::DownCast(c3d1);
c3d1 = tc->BasisCurve();
}
- TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
- Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(edge2,Loc,fp2,lp2);
- if(c3d2.IsNull()) break;
while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) tc =
Handle(Geom_TrimmedCurve)::DownCast(c3d2);
c3d2 = tc->BasisCurve();
}
if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) {
- // union lines
Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1);
Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2);
gp_Dir Dir1 = L1->Position().Direction();
gp_Dir Dir2 = L2->Position().Direction();
- //if(!Dir1.IsEqual(Dir2,Precision::Angular())) {
- //if(!Dir1.IsParallel(Dir2,Precision::Angular())) {
- if(!Dir1.IsParallel(Dir2,Tol)) {
- continue;
- }
- // can union lines => create new edge
- TopoDS_Vertex V1 = sae.FirstVertex(edge1);
- gp_Pnt PV1 = BRep_Tool::Pnt(V1);
- TopoDS_Vertex V2 = sae.LastVertex(edge2);
- gp_Pnt PV2 = BRep_Tool::Pnt(V2);
- gp_Vec Vec(PV1,PV2);
- Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec));
- Standard_Real dist = PV1.Distance(PV2);
- Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist);
- TopoDS_Edge E;
- B.MakeEdge (E,tc,Precision::Confusion());
- B.Add (E,V1); B.Add (E,V2);
- B.UpdateVertex(V1, 0., E, 0.);
- B.UpdateVertex(V2, dist, E, 0.);
- //ShapeFix_Edge sfe;
- //sfe.FixAddPCurve(E,aFace,Standard_False);
- //sfe.FixSameParameter(E);
- aChain.Remove(j);
- aChain.SetValue(j,E);
- j--;
+ if(!Dir1.IsParallel(Dir2,theAngTol))
+ IsUnionOfLinesPossible = Standard_False;
}
+ else
+ IsUnionOfLinesPossible = Standard_False;
if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) {
- // union circles
Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1);
Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2);
gp_Pnt P01 = C1->Location();
gp_Pnt P02 = C2->Location();
- if (P01.Distance(P02) > Precision::Confusion()) continue;
- // can union circles => create new edge
- TopoDS_Vertex V1 = sae.FirstVertex(edge1);
- gp_Pnt PV1 = BRep_Tool::Pnt(V1);
- TopoDS_Vertex V2 = sae.LastVertex(edge2);
- gp_Pnt PV2 = BRep_Tool::Pnt(V2);
- TopoDS_Vertex VM = sae.LastVertex(edge1);
+ if (P01.Distance(P02) > Precision::Confusion())
+ IsUnionOfCirclesPossible = Standard_False;
+ }
+ else
+ IsUnionOfCirclesPossible = Standard_False;
+ }
+ if (IsUnionOfLinesPossible && IsUnionOfCirclesPossible)
+ return Standard_False;
+
+ //union of lines is possible
+ if (IsUnionOfLinesPossible)
+ {
+ TopoDS_Vertex V[2];
+ V[0] = sae.FirstVertex(TopoDS::Edge(aChain.First()));
+ gp_Pnt PV1 = BRep_Tool::Pnt(V[0]);
+ V[1] = sae.LastVertex(TopoDS::Edge(aChain.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,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());
+ Handle(Geom_Curve) c3d = BRep_Tool::Curve(FE,f,l);
+
+ while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
+ Handle(Geom_TrimmedCurve) tc =
+ Handle(Geom_TrimmedCurve)::DownCast(c3d);
+ c3d = tc->BasisCurve();
+ }
+ Handle(Geom_Circle) Cir = Handle(Geom_Circle)::DownCast(c3d);
+
+ TopoDS_Vertex V[2];
+ V[0] = sae.FirstVertex(FE);
+ V[1] = sae.LastVertex(TopoDS::Edge(aChain.Last()));
+ TopoDS_Edge E;
+ if (V[0].IsSame(V[1])) {
+ // closed chain
+ BRepAdaptor_Curve adef(FE);
+ Handle(Geom_Circle) Cir1;
+ double FP, LP;
+ if ( FE.Orientation() == TopAbs_FORWARD)
+ {
+ FP = adef.FirstParameter();
+ LP = adef.LastParameter();
+ }
+ else
+ {
+ FP = adef.LastParameter();
+ LP = adef.FirstParameter();
+ }
+ if (Abs(FP) < Precision::PConfusion())
+ {
+ 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));
+ if (MC1.IsDone())
+ Cir1 = MC1.Value();
+ else
+ return Standard_False;
+ B.MakeEdge (E, Cir1, Precision::Confusion());
+ B.Add(E,V[0]);
+ B.Add(E,V[1]);
+ }
+ }
+ else {
+ 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);
Handle(Geom_Circle) C = MC.Value();
- TopoDS_Edge E;
- if (!MC.IsDone() || C.IsNull()) {
- // jfa for Mantis issue 0020228
- if (PV1.Distance(PV2) > Precision::Confusion()) continue;
- // closed chain
- C = C1;
- B.MakeEdge (E,C,Precision::Confusion());
- B.Add(E,V1);
- B.Add(E,V2);
- }
- else {
- gp_Pnt P0 = C->Location();
- gp_Dir D1(gp_Vec(P0,PV1));
- gp_Dir D2(gp_Vec(P0,PV2));
- Standard_Real fpar = C->XAxis().Direction().Angle(D1);
- if(fabs(fpar)>Precision::Confusion()) {
- // check orientation
- gp_Dir ND = C->XAxis().Direction().Crossed(D1);
- if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
- fpar = -fpar;
- }
+ gp_Pnt P0 = C->Location();
+ gp_Dir D1(gp_Vec(P0,PV1));
+ gp_Dir D2(gp_Vec(P0,PV2));
+ Standard_Real fpar = C->XAxis().Direction().Angle(D1);
+ if(fabs(fpar)>Precision::Confusion()) {
+ // check orientation
+ gp_Dir ND = C->XAxis().Direction().Crossed(D1);
+ if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
+ fpar = -fpar;
}
- Standard_Real lpar = C->XAxis().Direction().Angle(D2);
- if(fabs(lpar)>Precision::Confusion()) {
- // check orientation
- gp_Dir ND = C->XAxis().Direction().Crossed(D2);
- if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
- lpar = -lpar;
- }
+ }
+ Standard_Real lpar = C->XAxis().Direction().Angle(D2);
+ if(fabs(lpar)>Precision::Confusion()) {
+ // check orientation
+ gp_Dir ND = C->XAxis().Direction().Crossed(D2);
+ if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
+ lpar = -lpar;
}
- if (lpar < fpar) lpar += 2*M_PI;
- Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar);
- B.MakeEdge (E,tc,Precision::Confusion());
- B.Add(E,V1);
- B.Add(E,V2);
- B.UpdateVertex(V1, fpar, E, 0.);
- B.UpdateVertex(V2, lpar, E, 0.);
}
- aChain.Remove(j);
- aChain.SetValue(j,E);
- j--;
+ if (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,V[0]);
+ B.Add(E,V[1]);
+ B.UpdateVertex(V[0], fpar, E, 0.);
+ B.UpdateVertex(V[1], lpar, E, 0.);
}
- }
- if (j < aChain.Length()) {
-#ifdef DEB
- cout<<"null curve3d in edge..."<<endl;
-#endif
- return Standard_False;
+ OutEdge = E;
+ return Standard_True;
}
if (aChain.Length() > 1 && ConcatBSplines) {
// second step: union edges with various curves
// skl for bug 0020052 from Mantis: perform such unions
// only if curves are bspline or bezier
- bool NeedUnion = true;
+
+ TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(aChain.First()));
+ TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(aChain.Last()));
+ Standard_Boolean NeedUnion = Standard_True;
for(j=1; j<=aChain.Length(); j++) {
TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
+ TopLoc_Location Loc;
Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1);
if(c3d.IsNull()) continue;
while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
}
if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) ||
c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue;
- NeedUnion = false;
+ NeedUnion = Standard_False;
break;
}
if(NeedUnion) {
-#ifdef DEB
+#ifdef OCCT_DEBUG
cout<<"can not make analitical union => make approximation"<<endl;
#endif
TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL);
- /*
- TopoDS_Wire W;
- B.MakeWire(W);
- for(j=1; j<=aChain.Length(); j++) {
- TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
- B.Add(W,edge);
- }
- Handle(BRepAdaptor_HCompCurve) Adapt = new BRepAdaptor_HCompCurve(W);
- Approx_Curve3d Conv(Adapt,Tol,GeomAbs_C1,9,1000);
- Handle(Geom_BSplineCurve) bc = Conv.Curve();
- TopoDS_Edge E;
- B.MakeEdge (E,bc,Precision::Confusion());
- B.Add (E,VF);
- B.Add (E,VL);
- */
- aChain.SetValue(1,E);
+ OutEdge = E;
+ return Standard_True;
}
else {
-#ifdef DEB
+#ifdef OCCT_DEBUG
cout<<"can not make approximation for such types of curves"<<endl;
#endif
return Standard_False;
}
}
-
- anEdge = TopoDS::Edge(aChain.Value(1));
- return Standard_True;
+ return Standard_False;
}
//=======================================================================
-//function : ShapeUpgrade_UnifySameDomain
-//purpose : Constructor
+//function : IsMergingPossible
+//purpose : Checks if merging of two edges is possible
//=======================================================================
-ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain()
+static Standard_Boolean IsMergingPossible(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2,
+ double theAngTol, double theLinTol,
+ const TopTools_MapOfShape& AvoidEdgeVrt, const bool theLineDirectionOk,
+ const gp_Pnt& theFirstPoint, const gp_Vec& theDirectionVec)
{
- myUnifyEdges = Standard_True;
- myUnifyFaces = Standard_True;
- myConcatBSplines = Standard_False;
+ TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True);
+ if (CV.IsNull() || AvoidEdgeVrt.Contains(CV))
+ return Standard_False;
- myContext = new ShapeBuild_ReShape;
-}
+ BRepAdaptor_Curve ade1(edge1);
+ BRepAdaptor_Curve ade2(edge2);
-//=======================================================================
-//function : ShapeUpgrade_UnifySameDomain
-//purpose : Constructor
-//=======================================================================
+ GeomAbs_CurveType t1 = ade1.GetType();
+ GeomAbs_CurveType t2 = ade2.GetType();
-ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape,
- const Standard_Boolean UnifyEdges,
- const Standard_Boolean UnifyFaces,
- const Standard_Boolean ConcatBSplines)
-{
- myInitShape = aShape;
- myShape = aShape;
- myUnifyEdges = UnifyEdges;
- myUnifyFaces = UnifyFaces;
- myConcatBSplines = ConcatBSplines;
+ if( t1 == GeomAbs_Circle && t2 == GeomAbs_Circle)
+ {
+ if (ade1.Circle().Location().Distance(ade2.Circle().Location()) > Precision::Confusion())
+ return Standard_False;
+ }
- myContext = new ShapeBuild_ReShape;
-}
+ if( ( (t1 != GeomAbs_BezierCurve && t1 != GeomAbs_BSplineCurve) ||
+ (t2 != GeomAbs_BezierCurve && t2 != GeomAbs_BSplineCurve)) && t1 != t2)
+ return Standard_False;
+
+ gp_Vec Diff1, Diff2;
+ gp_Pnt P1, P2;
+ if (edge1.Orientation() == TopAbs_FORWARD)
+ ade1.D1(ade1.LastParameter(), P1, Diff1);
+ else
+ {
+ ade1.D1(ade1.FirstParameter(), P1, Diff1);
+ Diff1 = -Diff1;
+ }
+
+ if (edge2.Orientation() == TopAbs_FORWARD)
+ ade2.D1(ade2.FirstParameter(), P2, Diff2);
+ else
+ {
+ ade2.D1(ade2.LastParameter(), P2, Diff2);
+ Diff2 = -Diff2;
+ }
+
+ if (Diff1.Angle(Diff2) > theAngTol)
+ return Standard_False;
+
+ if (theLineDirectionOk && t2 == GeomAbs_Line)
+ {
+ 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;
+ }
+
+ 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;
+}
+
+//=======================================================================
+//function : GenerateSubSeq
+//purpose : Generates sub-sequences of edges from sequence of edges
+//Edges from each subsequences can be merged into the one edge
+//=======================================================================
+
+static void GenerateSubSeq (const TopTools_SequenceOfShape& anInpEdgeSeq,
+ NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges,
+ Standard_Boolean IsClosed, double theAngTol, double theLinTol,
+ const TopTools_MapOfShape& AvoidEdgeVrt)
+{
+ Standard_Boolean isOk = Standard_False;
+ TopoDS_Edge edge1, edge2;
+
+ SubSequenceOfEdges SubSeq;
+ 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, theAngTol, theLinTol, AvoidEdgeVrt, isLineDirectionOk, aFirstPoint, aDirectionVec);
+ if (!isOk)
+ {
+ SubSequenceOfEdges aSubSeq;
+ aSubSeq.SeqsEdges.Append(edge2);
+ SeqOfSubSeqOfEdges.Append(aSubSeq);
+ isLineDirectionOk = GetLineEdgePoints(edge2, aFirstPoint, aDirectionVec);
+ }
+ else
+ SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(edge2);
+ }
+ /// check first and last chain segments
+ if (IsClosed && SeqOfSubSeqOfEdges.Length() > 1)
+ {
+ edge1 = TopoDS::Edge(anInpEdgeSeq.Last());
+ edge2 = TopoDS::Edge(anInpEdgeSeq.First());
+ if (IsMergingPossible(edge1, edge2, theAngTol, theLinTol, AvoidEdgeVrt, Standard_False, aFirstPoint, aDirectionVec))
+ {
+ SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(SeqOfSubSeqOfEdges.ChangeFirst().SeqsEdges);
+ SeqOfSubSeqOfEdges.Remove(1);
+ }
+ }
+}
+
+//=======================================================================
+//function : MergeEdges
+//purpose : auxilary
+//=======================================================================
+static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges,
+ 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)
+{
+ // skip degenerated edges, and forbid merging through them
+ TopTools_IndexedDataMapOfShapeListOfShape aMapVE;
+ Standard_Integer j;
+ TopTools_MapOfShape VerticesToAvoid;
+ for (j = 1; j <= SeqEdges.Length(); j++)
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
+ if (BRep_Tool::Degenerated(anEdge))
+ {
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(anEdge, V1, V2);
+ VerticesToAvoid.Add(V1);
+ VerticesToAvoid.Add(V2);
+ SeqEdges.Remove(j--);
+ }
+ else
+ {
+ // fill in the map V-E
+ for (TopoDS_Iterator it(anEdge.Oriented(TopAbs_FORWARD)); it.More(); it.Next())
+ {
+ 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);
+ }
+ }
+ }
+ }
+ VerticesToAvoid.Unite(NonMergVrt);
+
+ // 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;
+ }
+ }
+ }
+ }
+ }
+
+ if (aChain.Length() < 2)
+ continue;
+
+ 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);
+
+ // 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, 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
+//=======================================================================
+static Standard_Boolean MergeSeq (TopTools_SequenceOfShape& SeqEdges,
+ const Standard_Real theAngTol,
+ const Standard_Real theLinTol,
+ const Standard_Boolean ConcatBSplines,
+ const Standard_Boolean isSafeInputMode,
+ Handle(ShapeBuild_ReShape)& theContext,
+ const TopTools_MapOfShape& nonMergVert)
+{
+ NCollection_Sequence<SubSequenceOfEdges> SeqOfSubsSeqOfEdges;
+ if (MergeEdges(SeqEdges, theAngTol, theLinTol, ConcatBSplines, isSafeInputMode,
+ theContext, SeqOfSubsSeqOfEdges, nonMergVert))
+ {
+ for (Standard_Integer i = 1; i <= SeqOfSubsSeqOfEdges.Length(); i++ )
+ {
+ if (SeqOfSubsSeqOfEdges(i).UnionEdges.IsNull())
+ continue;
+
+ theContext->Merge(SeqOfSubsSeqOfEdges(i).SeqsEdges,
+ SeqOfSubsSeqOfEdges(i).UnionEdges);
+ }
+ return Standard_True;
+ }
+ return Standard_False;
+}
+
+//=======================================================================
+//function : CheckSharedVertices
+//purpose : Checks the sequence of edges on the presence of shared vertex
+//=======================================================================
+
+static void CheckSharedVertices(const TopTools_SequenceOfShape& theSeqEdges,
+ const TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgesVertex,
+ const TopTools_MapOfShape& theMapKeepShape,
+ TopTools_MapOfShape& theShareVertMap)
+{
+ ShapeAnalysis_Edge sae;
+ TopTools_SequenceOfShape SeqVertexes;
+ TopTools_MapOfShape MapVertexes;
+ for (Standard_Integer k = 1; k <= theSeqEdges.Length(); k++ )
+ {
+ TopoDS_Vertex aV1 = sae.FirstVertex(TopoDS::Edge(theSeqEdges(k)));
+ TopoDS_Vertex aV2 = sae.LastVertex(TopoDS::Edge(theSeqEdges(k)));
+ if (!MapVertexes.Add(aV1))
+ SeqVertexes.Append(aV1);
+ if (!MapVertexes.Add(aV2))
+ SeqVertexes.Append(aV2);
+ }
+
+ for (Standard_Integer k = 1; k <= SeqVertexes.Length()/* && !IsSharedVertexPresent*/; k++ )
+ {
+ const TopTools_ListOfShape& ListEdgesV1 = theMapEdgesVertex.FindFromKey(SeqVertexes(k));
+ if (ListEdgesV1.Extent() > 2 || theMapKeepShape.Contains(SeqVertexes(k)))
+ theShareVertMap.Add(SeqVertexes(k));
+ }
+ //return theShareVertMap.IsEmpty() ? false : true;
+}
+
+//=======================================================================
+//function : ShapeUpgrade_UnifySameDomain
+//purpose : Constructor
+//=======================================================================
+
+ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain()
+ : myLinTol(Precision::Confusion()),
+ myAngTol(Precision::Angular()),
+ myUnifyFaces(Standard_True),
+ myUnifyEdges (Standard_True),
+ myConcatBSplines (Standard_False),
+ myAllowInternal (Standard_False),
+ mySafeInputMode(Standard_True),
+ myHistory(new BRepTools_History)
+{
+ myContext = new ShapeBuild_ReShape;
+}
+
+//=======================================================================
+//function : ShapeUpgrade_UnifySameDomain
+//purpose : Constructor
+//=======================================================================
+
+ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape,
+ const Standard_Boolean UnifyEdges,
+ const Standard_Boolean UnifyFaces,
+ const Standard_Boolean ConcatBSplines)
+ : myInitShape (aShape),
+ myLinTol(Precision::Confusion()),
+ myAngTol(Precision::Angular()),
+ myUnifyFaces(UnifyFaces),
+ myUnifyEdges (UnifyEdges),
+ myConcatBSplines (ConcatBSplines),
+ myAllowInternal (Standard_False),
+ mySafeInputMode (Standard_True),
+ myShape (aShape),
+ myHistory(new BRepTools_History)
+{
+ myContext = new ShapeBuild_ReShape;
+}
//=======================================================================
//function : Initialize
myConcatBSplines = ConcatBSplines;
myContext->Clear();
- //myOldNewMap.Clear();
- //myGenerated.Clear();
+ myKeepShapes.Clear();
+ myHistory->Clear();
+}
+
+//=======================================================================
+//function : AllowInternalEdges
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::AllowInternalEdges (const Standard_Boolean theValue)
+{
+ myAllowInternal = theValue;
+}
+
+//=======================================================================
+//function : SetSafeInputMode
+//purpose :
+//=======================================================================
+
+void ShapeUpgrade_UnifySameDomain::SetSafeInputMode(Standard_Boolean theValue)
+{
+ 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());
+ }
}
//=======================================================================
void ShapeUpgrade_UnifySameDomain::UnifyFaces()
{
- //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
- TopoDS_Shape aResShape = myContext->Apply(myShape);
-
- // processing each shell
+ // creating map of edge faces for the whole shape
+ TopTools_IndexedDataMapOfShapeListOfShape aGMapEdgeFaces;
+ TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aGMapEdgeFaces);
+
+ // 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());
+ 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);
+}
- // creating map of edge faces
- TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
- TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
+//=======================================================================
+//function : SetFixWireModes
+//purpose :
+//=======================================================================
- // map of processed shapes
- TopTools_MapOfShape aProcessed;
+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;
+}
- //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
+//=======================================================================
+//function : IntUnifyFaces
+//purpose :
+//=======================================================================
- Standard_Integer NbModif = 0;
- Standard_Boolean hasFailed = Standard_False;
- Standard_Real tol = Precision::Confusion();
+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);
- // 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++;
- }
+ // map of processed shapes
+ TopTools_MapOfShape aProcessed;
- // 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));
+ // processing each face
+ TopExp_Explorer exp;
+ for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) {
+ const TopoDS_Face& aFaceOriginal = TopoDS::Face(exp.Current());
+ TopoDS_Face aFace = TopoDS::Face(aFaceOriginal.Oriented(TopAbs_FORWARD));
- if (aProcessed.Contains(aFace))
- continue;
+ 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))
- continue;
+ // Add the current face for unification
+ faces.Append(aFace);
- 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;
+ // surface and location to construct result
+ TopLoc_Location aBaseLocation;
+ Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation);
+ aBaseSurface = ClearRts(aBaseSurface);
- if (aProcessed.Contains(anCheckedFace))
- continue;
+ // 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;
- if (IsSameDomain(aFace,anCheckedFace)) {
+ // 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;
+ }
- if (aList.Extent() != 2) {
- // non mainfold case is not processed
- 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(aFaceOriginal, edge, aTMid, aDN1);
+ //
+ // Process the faces
+ TopTools_ListIteratorOfListOfShape anIter(aList);
+ for (; anIter.More(); anIter.Next()) {
+ const TopoDS_Face& aCheckedFaceOriginal = TopoDS::Face(anIter.Value());
+ TopoDS_Face anCheckedFace = TopoDS::Face(aCheckedFaceOriginal.Oriented(TopAbs_FORWARD));
+ if (anCheckedFace.IsSame(aFace))
+ continue;
- // replacing pcurves
- TopoDS_Face aMockUpFace;
- BRep_Builder B;
- B.MakeFace(aMockUpFace,aBaseSurface,aBaseLocation,0.);
- MovePCurves(aMockUpFace,anCheckedFace);
+ if (aProcessed.Contains(anCheckedFace))
+ continue;
- 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(aCheckedFaceOriginal, 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,anCheckedFace, myLinTol, myAngTol)) {
+
+ // hotfix for 27271: prevent merging along periodic direction.
+ if (IsLikeSeam(edge, anCheckedFace, aBaseSurface))
+ continue;
- faces.Append(anCheckedFace);
- aProcessed.Add(anCheckedFace);
- break;
+ if (AddOrdinaryEdges(edges,anCheckedFace,dummy)) {
+ // sequence edges is modified
+ i = dummy;
}
+
+ faces.Append(anCheckedFace);
+ aProcessed.Add(anCheckedFace);
+ break;
}
}
+ }
- // all faces collected in the sequence. Perform union of faces
- if (faces.Length() > 1) {
- NbModif++;
- TopoDS_Face aResult;
- BRep_Builder B;
- B.MakeFace(aResult,aBaseSurface,aBaseLocation,0);
- Standard_Integer nbWires = 0;
-
- // connecting wires
- while (edges.Length()>0) {
-
- Standard_Boolean isEdge3d = Standard_False;
- nbWires++;
- TopTools_MapOfShape aVertices;
- TopoDS_Wire aWire;
- B.MakeWire(aWire);
-
- TopoDS_Edge anEdge = TopoDS::Edge(edges(1));
- edges.Remove(1);
-
- isEdge3d |= !BRep_Tool::Degenerated(anEdge);
- B.Add(aWire,anEdge);
- TopoDS_Vertex V1,V2;
- TopExp::Vertices(anEdge,V1,V2);
- aVertices.Add(V1);
- aVertices.Add(V2);
-
- Standard_Boolean isNewFound = Standard_False;
- do {
- isNewFound = Standard_False;
- for(Standard_Integer j = 1; j <= edges.Length(); j++) {
- anEdge = TopoDS::Edge(edges(j));
- TopExp::Vertices(anEdge,V1,V2);
- if(aVertices.Contains(V1) || aVertices.Contains(V2)) {
- isEdge3d |= !BRep_Tool::Degenerated(anEdge);
- aVertices.Add(V1);
- aVertices.Add(V2);
- B.Add(aWire,anEdge);
- edges.Remove(j);
- j--;
- isNewFound = Standard_True;
- }
- }
- } while (isNewFound);
-
- // sorting any type of edges
- //aWire = TopoDS::Wire(aContext->Apply(aWire));
- aWire = TopoDS::Wire(myContext->Apply(aWire));
-
- //TopoDS_Face tmpF = TopoDS::Face(aContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
- TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
- Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion());
- sfw->FixReorder();
- Standard_Boolean isDegRemoved = Standard_False;
- if(!sfw->StatusReorder ( ShapeExtend_FAIL )) {
- // clear degenerated edges if at least one with 3d curve exist
- if(isEdge3d) {
- Handle(ShapeExtend_WireData) sewd = sfw->WireData();
- for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) {
- TopoDS_Edge E = sewd->Edge(j);
- if(BRep_Tool::Degenerated(E)) {
- sewd->Remove(j);
- isDegRemoved = Standard_True;
- j--;
+ 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);
+ }
+ // 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);
+ }
+ }
+ }
+ 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--;
+ }
}
- sfw->FixShifted();
- if(isDegRemoved)
- sfw->FixDegenerated();
- }
- TopoDS_Wire aWireFixed = sfw->Wire();
- //aContext->Replace(aWire,aWireFixed);
- myContext->Replace(aWire,aWireFixed);
- //for history
- /*
- if (!myOldNewMap.IsBound(aWire))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aWire, EmptyList);
- }
- myOldNewMap(aWire).Clear();
- myOldNewMap(aWire).Append(aWireFixed);
- */
- /////////////
-
- // add resulting wire
- if(isEdge3d) {
- B.Add(aResult,aWireFixed);
}
- else {
- // sorting edges
- Handle(ShapeExtend_WireData) sbwd = sfw->WireData();
- Standard_Integer nbEdges = sbwd->NbEdges();
- // sort degenerated edges and create one edge instead of several ones
- ShapeAnalysis_WireOrder sawo(Standard_False, 0);
- ShapeAnalysis_Edge sae;
- Standard_Integer aLastEdge = nbEdges;
- for(Standard_Integer j = 1; j <= nbEdges; j++) {
- Standard_Real f,l;
- //smh protection on NULL pcurve
- Handle(Geom2d_Curve) c2d;
- if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) {
- aLastEdge--;
+ // 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);
+ 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--;
+ }
+ }
}
- sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
}
- sawo.Perform();
-
- // constructind one degenerative edge
- gp_XY aStart, anEnd, tmp;
- Standard_Integer nbFirst = sawo.Ordered(1);
- TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD));
- ShapeBuild_Edge sbe;
- TopoDS_Vertex aDummyV;
- TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV);
- sawo.XY(nbFirst,aStart,tmp);
- sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd);
-
- gp_XY aVec = anEnd-aStart;
- Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart));
-
- B.UpdateEdge(E,aLine,tmpF,0.);
- B.Range(E,tmpF,0.,aVec.Modulus());
- Handle(Geom_Curve) C3d;
- B.UpdateEdge(E,C3d,0.);
- B.Degenerated(E,Standard_True);
- TopoDS_Wire aW;
- B.MakeWire(aW);
- B.Add(aW,E);
- B.Add(aResult,aW);
}
}
-
- // perform substitution of face
- //aContext->Replace(aContext->Apply(aFace),aResult);
- myContext->Replace(myContext->Apply(aFace),aResult);
- //for history
- /*
- if (!myOldNewMap.IsBound(aFace))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aFace, EmptyList);
- }
- myOldNewMap(aFace).Clear();
- myOldNewMap(aFace).Append(aResult);
- */
- /////////////
-
- ShapeFix_Face sff (aResult);
- //Intializing by tolerances
- sff.SetPrecision(Precision::Confusion());
- sff.SetMinTolerance(tol);
- sff.SetMaxTolerance(1.);
- //Setting modes
- sff.FixOrientationMode() = 0;
- //sff.FixWireMode() = 0;
- //sff.SetContext(aContext);
- sff.SetContext(myContext);
- // Applying the fixes
- sff.Perform();
- if(sff.Status(ShapeExtend_FAIL))
- hasFailed = Standard_True;
-
- // breaking down to several faces
- //TopoDS_Shape theResult = aContext->Apply(aResult);
- TopoDS_Shape theResult = myContext->Apply(aResult);
- for (TopExp_Explorer aFaceExp (theResult,TopAbs_FACE); aFaceExp.More(); aFaceExp.Next()) {
- TopoDS_Face aCurrent = TopoDS::Face(aFaceExp.Current().Oriented(TopAbs_FORWARD));
- Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 );
- grid->SetValue ( 1, 1, aBaseSurface );
- Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid );
- ShapeFix_ComposeShell CompShell;
- CompShell.Init ( G, aBaseLocation, aCurrent, ::Precision::Confusion() );//myPrecision
- //CompShell.SetContext( aContext );
- CompShell.SetContext( myContext );
-
- TopTools_SequenceOfShape parts;
- ShapeFix_SequenceOfWireSegment wires;
- for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) {
- Handle(ShapeExtend_WireData) sbwd =
- new ShapeExtend_WireData ( TopoDS::Wire(W_Exp.Current() ));
- ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED );
- wires.Append(seg);
+ else {
+ // 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));
}
+ }
+ }
+ }
- 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();
+ // all faces collected in the sequence. Perform union of faces
+ if (faces.Length() > 1) {
+ TopoDS_Face aResult;
+ BRep_Builder B;
+ B.MakeFace(aResult,aBaseSurface,aBaseLocation,0);
+ Standard_Integer nbWires = 0;
+
+ TopoDS_Face tmpF = TopoDS::Face(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;
+ }
}
-
- TopoDS_Shape CompRes;
- if ( faces.Length() !=1 ) {
- TopoDS_Shell S;
- B.MakeShell ( S );
- for ( i=1; i <= parts.Length(); i++ )
- B.Add ( S, parts(i) );
- CompRes = S;
+ } while (isNewFound);
+
+ // sorting any type of edges
+ aWire.Closed (BRep_Tool::IsClosed (aWire));
+
+ Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion());
+ if (mySafeInputMode)
+ sfw->SetContext(myContext);
+ 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--;
+ }
+ }
}
- else CompRes = parts(1);
+ sfw->FixShifted();
+ if(isDegRemoved)
+ sfw->FixDegenerated();
+ }
+ aWire = sfw->Wire();
- //aContext->Replace(aCurrent,CompRes);
- myContext->Replace(aCurrent,CompRes);
- //for history
- /*
- if (!myOldNewMap.IsBound(aCurrent))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aCurrent, EmptyList);
+ // add resulting wire
+ if(isEdge3d) {
+ B.Add(aResult,aWire);
+ }
+ 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());
}
- myOldNewMap(aCurrent).Clear();
- myOldNewMap(aCurrent).Append(CompRes);
- */
- /////////////
+ if (sawo.NbEdges() == 0)
+ continue;
+ 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);
}
-
- // remove the remaining faces
- for(i = 2; i <= faces.Length(); i++)
- //aContext->Remove(faces(i));
- myContext->Remove(faces(i));
- }
- } // end processing each face
-
- //TopoDS_Shape aResult = Shape;
- if (NbModif > 0 && !hasFailed) {
- //TopoDS_Shape aResult = aContext->Apply(aShell);
- TopoDS_Shape aResult = myContext->Apply(aShell);
-
- ShapeFix_Edge sfe;
- for (exp.Init(aResult,TopAbs_EDGE); exp.More(); exp.Next()) {
- TopoDS_Edge E = TopoDS::Edge(exp.Current());
- sfe.FixVertexTolerance (E);
- // ptv add fix same parameter
- sfe.FixSameParameter(E, Precision::Confusion());
}
- myContext->Replace(aShell, aResult);
- //for history
- /*
- if (!myOldNewMap.IsBound(aShell))
+ ShapeFix_Face sff (aResult);
+ //Initializing by tolerances
+ sff.SetPrecision(Precision::Confusion());
+ sff.SetMinTolerance(Precision::Confusion());
+ sff.SetMaxTolerance(1.);
+ //Setting modes
+ SetFixWireModes(sff);
+ if (mySafeInputMode)
+ sff.SetContext(myContext);
+ // Applying the fixes
+ sff.Perform();
+ if(!sff.Status(ShapeExtend_FAIL))
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aShell, EmptyList);
- }
- myOldNewMap(aShell).Clear();
- myOldNewMap(aShell).Append(aResult);
- */
- /////////////
- }
- //else
- {
- for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
- TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD));
- Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
- sfw->SetContext(myContext);
- sfw->SetPrecision(Precision::Confusion());
- sfw->SetMinTolerance(Precision::Confusion());
- sfw->SetMaxTolerance(1.);
- sfw->SetFace(aFace);
- for (TopoDS_Iterator iter (aFace,Standard_False); iter.More(); iter.Next()) {
- TopoDS_Wire wire = TopoDS::Wire(iter.Value());
- sfw->Load(wire);
- sfw->FixReorder();
- sfw->FixShifted();
- }
+ // perform substitution of faces
+ aResult = sff.Face();
+ myContext->Merge(faces, aResult);
}
}
- } // end processing each shell
-
- myShape = myContext->Apply(myShape);
+ } // end processing each face
}
//=======================================================================
//function : UnifyEdges
//purpose :
//=======================================================================
-
void ShapeUpgrade_UnifySameDomain::UnifyEdges()
{
- Standard_Real Tol = Precision::Confusion();
-
- //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
- Standard_Real myTolerance = Precision::Confusion();
- TopoDS_Shape aResult = myContext->Apply(myShape);
-
- // processing each solid
- TopAbs_ShapeEnum aType = TopAbs_SOLID;
- TopExp_Explorer exps (myShape, aType);
- if (!exps.More()) {
- aType = TopAbs_SHELL;
- exps.Init(myShape, aType);
- }
- for (; exps.More(); exps.Next()) {
- //TopoDS_Solid aSolid = TopoDS::Solid(exps.Current());
- TopoDS_Shape aSolid = exps.Current();
-
- TopTools_IndexedMapOfShape ChangedFaces;
-
- // creating map of edge faces
- TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
- TopExp::MapShapesAndAncestors(aSolid, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
-
- //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
- TopoDS_Shape aRes = aSolid;
- //aRes = aContext->Apply(aSolid);
- aRes = myContext->Apply(aSolid);
-
- // processing each face
- TopExp_Explorer exp;
- for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) {
- //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
- TopoDS_Face aFace = TopoDS::Face(myContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
- TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges;
-
- for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) {
- TopoDS_Edge edge = TopoDS::Edge(expe.Current());
- if (!aMapEdgeFaces.Contains(edge)) continue;
- const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
- TopTools_ListIteratorOfListOfShape anIter(aList);
- for ( ; anIter.More(); anIter.Next()) {
- TopoDS_Face face = TopoDS::Face(anIter.Value());
- //TopoDS_Face face1 = TopoDS::Face(aContext->Apply(anIter.Value()));
- TopoDS_Face face1 = TopoDS::Face(myContext->Apply(anIter.Value()));
- if (face1.IsSame(aFace)) continue;
- if (aMapFacesEdges.Contains(face)) {
- aMapFacesEdges.ChangeFromKey(face).Append(edge);
- }
- else {
- TopTools_ListOfShape ListEdges;
- ListEdges.Append(edge);
- aMapFacesEdges.Add(face,ListEdges);
- }
- }
+ TopoDS_Shape aRes = myContext->Apply(myShape);
+ // creating map of edge faces
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
+ TopExp::MapShapesAndAncestors(aRes, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
+ // creating map of vertex edges
+ TopTools_IndexedDataMapOfShapeListOfShape aMapEdgesVertex;
+ TopExp::MapShapesAndUniqueAncestors(aRes, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex);
+
+ 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, myAngTol, myLinTol, myConcatBSplines,
+ mySafeInputMode, myContext, aSharedVert);
+ // Collect faces to rebuild
+ TopTools_IndexedMapOfShape aChangedFaces;
+ if (isMerged)
+ {
+ for (Standard_Integer i = 1; i <= aNbE; ++i)
+ {
+ const TopoDS_Shape& aE = aMapEdgeFaces.FindKey(i);
+ if (myContext->IsRecorded(aE))
+ {
+ TopTools_ListIteratorOfListOfShape it(aMapEdgeFaces(i));
+ for (; it.More(); it.Next())
+ aChangedFaces.Add(it.Value());
}
+ }
+ }
- for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) {
- const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i);
- TopTools_SequenceOfShape SeqEdges;
- TopTools_ListIteratorOfListOfShape anIter(ListEdges);
- for ( ; anIter.More(); anIter.Next()) {
- SeqEdges.Append(anIter.Value());
- }
- if (SeqEdges.Length()==1) continue;
- TopoDS_Edge E;
- if ( MergeEdges(SeqEdges,aFace,Tol,myConcatBSplines,E) ) {
- // now we have only one edge - aChain.Value(1)
- // we have to replace old ListEdges with this new edge
- //aContext->Replace(SeqEdges(1),E);
- myContext->Replace(SeqEdges(1),E);
- Standard_Integer j;
- for (j = 2; j <= SeqEdges.Length(); j++) {
- //aContext->Remove(SeqEdges(j));
- myContext->Remove(SeqEdges(j));
- //myOldNewMap.Bind(SeqEdges(j), E);
- }
- //for history
- /*
- for (j = 1; j <= SeqEdges.Length(); j++)
- {
- if (!myOldNewMap.IsBound(SeqEdges(j)))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(SeqEdges(j), EmptyList);
- }
- myOldNewMap(SeqEdges(j)).Clear();
- myOldNewMap(SeqEdges(j)).Append(E);
- }
- */
- /////////////
-
- TopoDS_Face tmpF = TopoDS::Face(exp.Current());
- if ( !ChangedFaces.Contains(tmpF) )
- ChangedFaces.Add(tmpF);
- tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i));
- if ( !ChangedFaces.Contains(tmpF) )
- ChangedFaces.Add(tmpF);
- }
- }
+ // fix changed faces and replace them in the local context
+ 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;
- } // end processing each face
-
- // fix changed faces and replace them in the local context
- for (Standard_Integer i=1; i<=ChangedFaces.Extent(); i++) {
- //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(ChangedFaces.FindKey(i)));
- TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i)));
- Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFace);
- sff->SetContext(myContext);
- sff->SetPrecision(myTolerance);
- sff->SetMinTolerance(myTolerance);
- sff->SetMaxTolerance(Max(1.,myTolerance*1000.));
- sff->Perform();
- TopoDS_Shape aNewFace = sff->Face();
- //aContext->Replace(aFace,aNewFace);
- myContext->Replace(aFace,aNewFace);
- //for history
- /*
- if (!myOldNewMap.IsBound(aFace))
+ // 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)
+ {
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace, aLoc);
+ aSurface = ClearRts(aSurface);
+ if (aSurface->IsKind(STANDARD_TYPE(Geom_Plane)))
{
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aFace, EmptyList);
+ 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);
- */
- /////////////
}
- if (ChangedFaces.Extent() > 0) {
- // fix changed shell and replace it in the local context
- //TopoDS_Shape aRes1 = aContext->Apply(aRes);
- TopoDS_Shape aRes1 = myContext->Apply(aRes);
- TopExp_Explorer expsh;
- for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) {
- TopoDS_Shell aShell = TopoDS::Shell(expsh.Current());
- Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell;
- sfsh->FixFaceOrientation(aShell);
- TopoDS_Shape aNewShell = sfsh->Shell();
- //aContext->Replace(aShell,aNewShell);
- myContext->Replace(aShell,aNewShell);
- //for history
- /*
- if (!myOldNewMap.IsBound(aShell))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aShell, EmptyList);
- }
- myOldNewMap(aShell).Clear();
- myOldNewMap(aShell).Append(aNewShell);
- */
- /////////////
- }
- //TopoDS_Shape aRes2 = aContext->Apply(aRes1);
- TopoDS_Shape aRes2 = myContext->Apply(aRes1);
- // put new solid into global context
- myContext->Replace(aSolid,aRes2);
- //for history
- /*
- if (!myOldNewMap.IsBound(aSolid))
- {
- TopTools_ListOfShape EmptyList;
- myOldNewMap.Bind(aSolid, EmptyList);
+ 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 (aChangedFaces.Extent() > 0) {
+ // fix changed shell and replace it in the local context
+ 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();
+ if (!aNewShell.IsSame(aShell)) {
+ myContext->Replace(aShell, aNewShell);
+ isChanged = Standard_True;
}
- myOldNewMap(aSolid).Clear();
- myOldNewMap(aSolid).Append(aRes2);
- */
- /////////////
}
-
- } // end processing each solid
+ 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 and Faces 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);
+
+ // Map all Vertices, Edges and Faces 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);
+
+ // 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);
- /*
- if (aNewShape.IsNull())
- aNewShape = myOldNewMap(aShape);
- */
-
- return aNewShape;
+ // 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;
+ }
+
+ // 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())
+ {
+ if (aMapResultShapes.Contains(aItLSIm.Value()))
+ {
+ // Image is found in the result, thus the shape has been modified
+ aUSDHistory->AddModified(aS, aItLSIm.Value());
+ 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