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0032557: Modeling Data - Use of BRepBuilderAPI_NurbsConvert create 2d p-curves with errors

Browse Source 
BRepTools/BRepTools_NurbsConvertModification.cxx -
 Checking domain of 2dCurves if surfaces are periodic is improved

tests/bugs/moddata_3/bug32557 - test case added
This commit is contained in:
ifv
2021-09-24 16:24:34 +03:00
committed by smoskvin
parent af0cb16691
commit f277dcbbc0
3 changed files with 26 additions and 4 deletions
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18
src/BRepTools/BRepTools_NurbsConvertModification.cxx
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@@ -493,11 +493,23 @@ Standard_Boolean BRepTools_NurbsConvertModification::NewCurve2d
{
//Surface is periodic, checking curve2d domain
//Old domain
gp_Pnt2d aPf = C2d->Value(f2d);
Standard_Real aMinDist = Precision::Infinite();
if (S->IsUPeriodic())
{
aMinDist = Min(0.5 * S->UPeriod(), aMinDist);
}
if (S->IsVPeriodic())
{
aMinDist = Min(0.5 * S->VPeriod(), aMinDist);
}
aMinDist *= aMinDist;
//Old domain
Standard_Real t = 0.5 * (f2d + l2d);
gp_Pnt2d aPf = C2d->Value(t);
//New domain
gp_Pnt2d aNewPf = Curve2d->Value(f2d);
gp_Pnt2d aNewPf = Curve2d->Value(t);
gp_Vec2d aT(aNewPf, aPf);
if (aT.SquareMagnitude() > Precision::SquarePConfusion())
if (aT.SquareMagnitude() > aMinDist)
{
Curve2d = Handle(Geom2d_Curve)::DownCast(Curve2d->Translated(aT));
}