From e0824b96927cc0694369983bf9b728d79e2e9ba2 Mon Sep 17 00:00:00 2001
From: laurence <laurence>
Date: Thu, 5 Jan 2012 17:45:46 +0000
Subject: [PATCH] BUG: objToVTK: Do not print vertex normal header in vtk if
 none are in the obj

---
 .../utilities/mesh/manipulation/objToVTK/objToVTK.C  | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/applications/utilities/mesh/manipulation/objToVTK/objToVTK.C b/applications/utilities/mesh/manipulation/objToVTK/objToVTK.C
index 76babb0b8c..4ff721f485 100644
--- a/applications/utilities/mesh/manipulation/objToVTK/objToVTK.C
+++ b/applications/utilities/mesh/manipulation/objToVTK/objToVTK.C
@@ -273,12 +273,16 @@ int main(int argc, char *argv[])
         }
     }
 
-    outFile << nl << "NORMALS pointNormals float\n";
-    forAll(pointNormals, i)
+    if (!pointNormals.empty())
     {
-        const vector& n = pointNormals[i];
+        outFile << nl << "NORMALS pointNormals float\n";
 
-        outFile << n.x() << ' ' << n.y() << ' ' << n.z() << nl;
+        forAll(pointNormals, i)
+        {
+            const vector& n = pointNormals[i];
+
+            outFile << n.x() << ' ' << n.y() << ' ' << n.z() << nl;
+        }
     }
 
     Info<< "End\n" << endl;