0033727: Modeling Algorithms - Add corner check in AddClose function to detect void...

Added corner check to AddClose for void bounding boxes

diff --git a/src/BRepBndLib/BRepBndLib.cxx b/src/BRepBndLib/BRepBndLib.cxx
index db239c421753696f5e352ebb787a82995cb8c7ea..c9a598943f91453cf634b4c0238a8c9454d09107 100644 (file)
--- a/src/BRepBndLib/BRepBndLib.cxx
+++ b/src/BRepBndLib/BRepBndLib.cxx
@@ -221,6 +221,11 @@ void BRepBndLib::AddClose(const TopoDS_Shape& S, Bnd_Box& B)
   for (ex.Init(S,TopAbs_VERTEX,TopAbs_EDGE); ex.More(); ex.Next()) {
     B.Add(BRep_Tool::Pnt(TopoDS::Vertex(ex.Current())));
   }
+
+  if (!B.IsVoid() && B.CornerMax().IsEqual(B.CornerMin(), Precision::Confusion()))
+  {
+    B.SetVoid();
+  }
 }
 
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