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0030597: Result of BRepOffsetAPI_MakePipeShell doesn't match the given profiles

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Modify the local function EdgeToBSpline of BRepFill_NSections to build a BSpline curve of general type for each curve of profile.
This commit is contained in:
jgv
2019-12-18 18:24:16 +03:00
committed by bugmaster
parent c68c346d2b
commit 9a1701fbcb
2 changed files with 38 additions and 15 deletions
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17
src/BRepFill/BRepFill_NSections.cxx
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@@ -105,20 +105,15 @@ static Handle(Geom_BSplineCurve) EdgeToBSpline (const TopoDS_Edge& theEdge)
Handle(Geom_Curve) aCurve = BRep_Tool::Curve (theEdge, aLoc, aFirst, aLast);
// convert its part used by edge to bspline; note that if edge curve is bspline,
// conversion made via trimmed curve is still needed -- it will copy it, segment
// as appropriate, and remove periodicity if it is periodic (deadly for approximator)
// approximation or conversion made via trimmed curve is still needed -- it will copy it,
// segment as appropriate, and remove periodicity if it is periodic (deadly for approximator)
Handle(Geom_TrimmedCurve) aTrimCurve = new Geom_TrimmedCurve (aCurve, aFirst, aLast);
// special treatment of conic curve
if (aTrimCurve->BasisCurve()->IsKind(STANDARD_TYPE(Geom_Conic)))
{
const Handle(Geom_Curve)& aCurveTemp = aTrimCurve; // to avoid ambiguity
GeomConvert_ApproxCurve anAppr (aCurveTemp, Precision::Confusion(), GeomAbs_C1, 16, 14);
if (anAppr.HasResult())
aBSCurve = anAppr.Curve();
}
const Handle(Geom_Curve)& aCurveTemp = aTrimCurve; // to avoid ambiguity
GeomConvert_ApproxCurve anAppr (aCurveTemp, Precision::Confusion(), GeomAbs_C1, 16, 14);
if (anAppr.HasResult())
aBSCurve = anAppr.Curve();
// general case
if (aBSCurve.IsNull())
aBSCurve = GeomConvert::CurveToBSplineCurve (aTrimCurve);