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Modeling - Handle void bounding box case in BRepBndLib::AddOptimal #470

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In some cases face without natural bound can be not have edges on curve
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Pasukhin Dmitry 2025-03-31 10:01:23 +01:00 committed by GitHub
parent 25b12541d7
commit 52a93a3bdd
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2 changed files with 17 additions and 2 deletions
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9
src/ModelingAlgorithms/TKTopAlgo/BRepBndLib/BRepBndLib.cxx
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@ -619,8 +619,13 @@ void FindExactUVBounds(const TopoDS_Face& FF,
BndLib_Add2dCurve::AddOptimal(aC2D, aT1, aT2, TolUV, aBox);
//
}
//
aBox.Get(umin, vmin, umax, vmax);
// In some cases no edges are found
if (!aBox.IsVoid())
{
aBox.Get(umin, vmin, umax, vmax);
}
//
TopLoc_Location aLoc;
Handle(Geom_Surface) aS = BRep_Tool::Surface(FF, aLoc);

10
tests/bugs/modalg_8/bug_gh469 Normal file
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@ -0,0 +1,10 @@
puts "========================================================================="
puts "GH469: Bounding box is void when using BRepBndLib::AddOptimal"
puts "========================================================================="
puts ""
pload QAcommands
restore [locate_data_file bug_gh469.brep] result
bounding result -optimal