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0033433: Shape Healing - Implement a new mode to keep initial types of curves. Fix processing of Bezier and BSpline edges.

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jfa
2023-11-15 13:51:53 +00:00
parent ab5e759b64
commit ada2f9326a
1 changed files with 32 additions and 4 deletions
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36
src/ShapeFix/ShapeFix_Wire.cxx
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@@ -1478,17 +1478,45 @@ Standard_Boolean ShapeFix_Wire::FixCurves(const Standard_Integer theIdx)
else if (aCurve3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)))
{
Handle(Geom_BSplineCurve) anOld = Handle(Geom_BSplineCurve)::DownCast(aCurve3d);
if (anOld->Pole(1).Distance(aGeomEnds[0]) > Precision::Confusion() ||
anOld->Pole(anOld->NbPoles()).Distance(aGeomEnds[1]) > Precision::Confusion()) {
// FAIL1 means we cannot fix Bezier or B-Spline curve
// because its ends do not correspond to first and last poles
// (i.e. it is a piece of entire curve)
myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
return false;
}
Handle(Geom_Geometry) aNewG = anOld->Copy();
Handle(Geom_BSplineCurve) aNewC = Handle(Geom_BSplineCurve)::DownCast(aNewG);
int p = anEnds[0].Distance(aGeomEnds[0]) < anEnds[1].Distance(aGeomEnds[0]) ? 0 : 2;
anOld->SetPole(1, anEnds[p]);
anOld->SetPole(anOld->NbPoles(), anEnds[2-p]);
aNewC->SetPole(1, anEnds[p]);
aNewC->SetPole(anOld->NbPoles(), anEnds[2-p]);
TopoDS_Edge aNewEdge = BRepBuilderAPI_MakeEdge(aNewC).Edge();
anSbwd->Set(aNewEdge, theIdx);
return true;
}
else if (aCurve3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)))
{
Handle(Geom_BezierCurve) anOld = Handle(Geom_BezierCurve)::DownCast(aCurve3d);
if (anOld->Pole(1).Distance(aGeomEnds[0]) > Precision::Confusion() ||
anOld->Pole(anOld->NbPoles()).Distance(aGeomEnds[1]) > Precision::Confusion()) {
// FAIL1 means we cannot fix Bezier or B-Spline curve
// because its ends do not correspond to first and last poles
// (i.e. it is a piece of entire curve)
myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
return false;
}
Handle(Geom_Geometry) aNewG = anOld->Copy();
Handle(Geom_BezierCurve) aNewC = Handle(Geom_BezierCurve)::DownCast(aNewG);
int p = anEnds[0].Distance(aGeomEnds[0]) < anEnds[1].Distance(aGeomEnds[0]) ? 0 : 2;
anOld->SetPole(1, anEnds[p]);
anOld->SetPole(anOld->NbPoles(), anEnds[2-p]);
aNewC->SetPole(1, anEnds[p]);
aNewC->SetPole(anOld->NbPoles(), anEnds[2-p]);
TopoDS_Edge aNewEdge = BRepBuilderAPI_MakeEdge(aNewC).Edge();
anSbwd->Set(aNewEdge, theIdx);
return true;
}