From 4373def54b177205644ddd95666f5005ce0c4b53 Mon Sep 17 00:00:00 2001
From: Matthias Hochsteger <mhochsteger@cerbsim.com>
Date: Tue, 8 Oct 2024 17:35:16 +0200
Subject: [PATCH] Don't attempt to curve edges if edgenr < 0

---
 libsrc/meshing/basegeom.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsrc/meshing/basegeom.hpp b/libsrc/meshing/basegeom.hpp
index 2eb7a203..2951c72d 100644
--- a/libsrc/meshing/basegeom.hpp
+++ b/libsrc/meshing/basegeom.hpp
@@ -265,7 +265,7 @@ namespace netgen
 
   virtual void ProjectPointEdge (int surfind, int surfind2, Point<3> & p, EdgePointGeomInfo* gi = nullptr) const
   {
-    if(gi && gi->edgenr < edges.Size())
+    if(gi && gi->edgenr < edges.Size() && gi->edgenr >= 0)
       edges[gi->edgenr]->ProjectPoint(p, gi);
   }