From 77b53460990a9f64e3f77ef0ebace9dd4be541c3 Mon Sep 17 00:00:00 2001
From: Christopher Lackner <clackner@cerbsim.com>
Date: Fri, 17 Sep 2021 17:43:03 +0200
Subject: [PATCH] occ fix setcd2names if geom.enames is empty

---
 libsrc/occ/occgenmesh.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libsrc/occ/occgenmesh.cpp b/libsrc/occ/occgenmesh.cpp
index 16e9ca61..de497573 100644
--- a/libsrc/occ/occgenmesh.cpp
+++ b/libsrc/occ/occgenmesh.cpp
@@ -595,8 +595,8 @@ namespace netgen
                     alledgeparams[geomedgenr-1] = params;
                   }
 
-                auto name = geom.enames[geom.emap.FindIndex(edge)-1];
-                if(geom.enames.Size() && name != "")
+                auto name = geom.enames.Size() ? geom.enames[geom.emap.FindIndex(edge)-1] : "";
+                if(name != "")
                   mesh.SetCD2Name(geomedgenr, name);
                   
                 (*testout) << "NP = " << mesh.GetNP() << endl;