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Modeling - Bounding BSpline periodic tolerance issue #468

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Update BndLib_Add3dCurve to check the periodic case u1-u2 matching with period
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Pasukhin Dmitry 2025-03-31 11:29:38 +01:00 committed by GitHub
parent 52a93a3bdd
commit ea34d5b2b7
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3 changed files with 17 additions and 3 deletions
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8
src/ModelingData/TKGeomBase/BndLib/BndLib_Add3dCurve.cxx
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@ -215,9 +215,13 @@ void BndLib_Add3dCurve::Add(const Adaptor3d_Curve& C,
u2 = Bsaux->LastParameter();
// modified by NIZHNY-EAP Fri Dec 3 14:29:18 1999 ___END___
}
const Standard_Real anU2Periodic =
Bsaux->IsPeriodic() ? (u2 - (Bsaux->LastParameter() - Bsaux->FirstParameter())) : u2;
Standard_Real aSegmentTol = 2. * Precision::PConfusion();
if (Abs(u2 - u1) < aSegmentTol)
aSegmentTol = Abs(u2 - u1) * 0.01;
if (Abs((anU2Periodic - u1) < aSegmentTol))
{
aSegmentTol = Abs(anU2Periodic - u1) * 0.01;
}
Bsaux->Segment(u1, u2, aSegmentTol);
Bs = Bsaux;
}

2
tests/bugs/modalg_6/bug27079_3
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@ -20,6 +20,6 @@ bop f1 f2
bopsection result
checkprops result -l 13.7747
checknbshapes result -vertex 4 -edge 3
checknbshapes result -vertex 3 -edge 2
checkview -screenshot -2d -path ${imagedir}/${test_image}.png

10
tests/bugs/modalg_8/bug_gh466 Normal file
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@ -0,0 +1,10 @@
puts "========================================================================="
puts "GH466: BRepBndLib::AddClose crashes"
puts "========================================================================="
puts ""
pload QAcommands
restore [locate_data_file bug_gh466.brep] result
OCC566 result