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0052994: Remove Extra Edges makes a shape invalid

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skv 2015-12-02 15:20:33 +03:00
parent 326bf4caf8
commit f83b8bcd3a
1 changed files with 14 additions and 6 deletions
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20
src/BlockFix/BlockFix_UnionEdges.cxx
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@ -161,7 +161,7 @@ static Standard_Boolean IsToMerge
isSame = Standard_True; isSame = Standard_True;
for (; anIter1.More(); anIter1.Next()) { for (; anIter1.More() && isSame; anIter1.Next()) {
TopoDS_Face aFace1 = TopoDS::Face(anIter1.Value()); TopoDS_Face aFace1 = TopoDS::Face(anIter1.Value());
TopTools_ListIteratorOfListOfShape anIter2(aLst2); TopTools_ListIteratorOfListOfShape anIter2(aLst2);
@ -581,16 +581,24 @@ static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
if (C.IsNull()) { if (C.IsNull()) {
// jfa for Mantis issue 0020228 // jfa for Mantis issue 0020228
if (PV1.Distance(PV2) > Precision::Confusion()) continue; if (PV1.Distance(PV2) > Precision::Confusion()) continue;
// closed chain // closed chain. Make a closed circular edge starting from V1.
if (edge1.Orientation() == TopAbs_FORWARD) { gp_Ax1 anAxis = C1->Axis();
C = C1;
} else { if (edge1.Orientation() == TopAbs_REVERSED) {
C = Handle(Geom_Circle)::DownCast(C1->Reversed()); anAxis.Reverse();
} }
const gp_Pnt &aP0 = anAxis.Location();
gp_Dir aDX(PV1.XYZ().Subtracted(aP0.XYZ()));
gp_Ax2 aNewAxis(aP0, anAxis.Direction(), aDX);
C = new Geom_Circle(aNewAxis, C1->Radius());
B.MakeEdge (E,C,Precision::Confusion()); B.MakeEdge (E,C,Precision::Confusion());
B.Add(E,V1); B.Add(E,V1);
B.Add(E,V2); B.Add(E,V2);
B.UpdateVertex(V1, 0., E, 0.);
B.UpdateVertex(V2, 2.*M_PI, E, 0.);
} }
else { else {
gp_Pnt P0 = C->Location(); gp_Pnt P0 = C->Location();