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0030597: BRepOffsetAPI_MakePipeShell raises Standard_RangeError

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Constructor of GeomFill_SectionPlacement has been corrected: add correction of boundaries of curve to avoid mistake of LocateU in the case when the curve is BSpline.
This commit is contained in:
jgv 2019-04-02 14:14:00 +03:00 committed by bugmaster
parent 74413ca7d3
commit a5278fc126
2 changed files with 34 additions and 0 deletions
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15
src/GeomFill/GeomFill_SectionPlacement.cxx
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@ -283,6 +283,21 @@ GeomFill_SectionPlacement(const Handle(GeomFill_LocationLaw)& L,
Handle(TColgp_HArray1OfPnt) Pnts; Handle(TColgp_HArray1OfPnt) Pnts;
Standard_Real first = myAdpSection.FirstParameter(); Standard_Real first = myAdpSection.FirstParameter();
Standard_Real last = myAdpSection.LastParameter(); Standard_Real last = myAdpSection.LastParameter();
if (myAdpSection.IsPeriodic())
{
//Correct boundaries to avoid mistake of LocateU
Handle(Geom_Curve) aCurve = myAdpSection.Curve();
if (aCurve->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
aCurve = (Handle(Geom_TrimmedCurve)::DownCast(aCurve))->BasisCurve();
Standard_Real Ufirst = aCurve->FirstParameter();
Standard_Real aPeriod = aCurve->Period();
Standard_Real U1 = Ufirst + Floor((first - Ufirst)/aPeriod) * aPeriod;
Standard_Real U2 = U1 + aPeriod;
if (Abs(first - U1) <= Precision::PConfusion())
first = U1;
if (Abs(last - U2) <= Precision::PConfusion())
last = U2;
}
Standard_Real t, delta; Standard_Real t, delta;
if (myAdpSection.GetType() == GeomAbs_BSplineCurve) if (myAdpSection.GetType() == GeomAbs_BSplineCurve)
{ {

19
tests/bugs/modalg_7/bug30597 Normal file
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@ -0,0 +1,19 @@
puts "================================================================"
puts "OCC30597: BRepOffsetAPI_MakePipeShell raises Standard_RangeError"
puts "================================================================"
puts ""
restore [locate_data_file bug30597_compound.brep] a
explode a
explode a_1 v
explode a_2
explode a_3
mksweep a_1
addsweep a_2_1 a_1_1
addsweep a_3_1 a_1_2
buildsweep result
checkprops result -s 0.95884