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Subject: [PATCH 6/7] BRepOffset_Tool: TryProject: Check return of BRepLib::BuildCurve3d. Might be degenerate edge, so no curve
From: blobfish <blobfish@gmx.com>
Date: Mon, 18 Jan 2021 22:26:33 -0500
---
src/BRepOffset/BRepOffset_Tool.cxx | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/src/BRepOffset/BRepOffset_Tool.cxx
+++ b/src/BRepOffset/BRepOffset_Tool.cxx
@@ -1879,7 +1879,8 @@
TopoDS_Edge CurE = TopoDS::Edge(it.Value());
Handle(Geom_Curve) C = BRep_Tool::Curve(CurE,L,f,l);
if (C.IsNull()) {
- BRepLib::BuildCurve3d(CurE,BRep_Tool::Tolerance(CurE));
+ if (!BRepLib::BuildCurve3d(CurE,BRep_Tool::Tolerance(CurE)))
+ continue;
C = BRep_Tool::Curve(CurE,L,f,l);
if (C.IsNull())
{
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