From 10ff1e579ddcad7252cead6953407d8c32e2be9a Mon Sep 17 00:00:00 2001
From: jriegel <FreeCAD@juergen-riegel.net>
Date: Sat, 22 Nov 2014 13:51:31 +0100
Subject: [PATCH] fix bug on highlighting invisibel nodes

---
 src/Mod/Fem/Gui/ViewProviderFemMesh.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Mod/Fem/Gui/ViewProviderFemMesh.cpp b/src/Mod/Fem/Gui/ViewProviderFemMesh.cpp
index 5211b18fb..9c19433a3 100755
--- a/src/Mod/Fem/Gui/ViewProviderFemMesh.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemMesh.cpp
@@ -415,10 +415,14 @@ std::string ViewProviderFemMesh::getElement(const SoDetail* detail) const
         //    int edge = line_detail->getLineIndex() + 1;
         //    str << "Edge" << edge;
         //}
-        else if (detail->getTypeId() == SoPointDetail::getClassTypeId()) {
-            const SoPointDetail* point_detail = static_cast<const SoPointDetail*>(detail);
-            int vertex = vNodeElementIdx[point_detail->getCoordinateIndex()];
-            str << "Node" << vertex;
+		else if (detail->getTypeId() == SoPointDetail::getClassTypeId()) {
+			const SoPointDetail* point_detail = static_cast<const SoPointDetail*>(detail);
+			auto idx = point_detail->getCoordinateIndex();
+			if (idx < vNodeElementIdx.size()) {
+				int vertex = vNodeElementIdx[point_detail->getCoordinateIndex()];
+				str << "Node" << vertex;
+			}else
+				return "";
         }
     }