From d77ec67b9fe0619a5c273b4f73c4dbab84aaa114 Mon Sep 17 00:00:00 2001
From: Matthias Hochsteger <matthias.hochsteger@tuwien.ac.at>
Date: Wed, 24 Jan 2018 10:53:34 +0100
Subject: [PATCH] OCCGenerateMesh: Initialize mesh if nullptr is given

---
 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 5bea6c6c..7ce79d8c 100644
--- a/libsrc/occ/occgenmesh.cpp
+++ b/libsrc/occ/occgenmesh.cpp
@@ -1295,8 +1295,8 @@ namespace netgen
 
       if (mparam.perfstepsstart <= MESHCONST_ANALYSE)
       {
-        // delete mesh;
-        // mesh = make_shared<Mesh>();
+         if(mesh.get() == nullptr)
+           mesh = make_shared<Mesh>();
          mesh->geomtype = Mesh::GEOM_OCC;
          
          OCCSetLocalMeshSize(geom,*mesh);