From 1ebe4a3f6b222d8bc7cb7868a0956cefdd088eba Mon Sep 17 00:00:00 2001
From: Joachim Schoeberl <joachim.schoeberl@tuwien.ac.at>
Date: Sat, 10 Jan 2015 14:48:49 +0000
Subject: [PATCH] GetIndex - 0-based

---
 libsrc/include/nginterface_v2.hpp      | 2 +-
 libsrc/include/nginterface_v2_impl.hpp | 6 ++++++
 libsrc/interface/nginterface_v2.cpp    | 3 ++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/libsrc/include/nginterface_v2.hpp b/libsrc/include/nginterface_v2.hpp
index 0cfb744b..5c5db905 100644
--- a/libsrc/include/nginterface_v2.hpp
+++ b/libsrc/include/nginterface_v2.hpp
@@ -76,7 +76,7 @@ namespace netgen
     int index;           // material / boundary condition 
 
     NG_ELEMENT_TYPE GetType() const { return type; }
-    int GetIndex() const { return index; }
+    int GetIndex() const { return index-1; }
     Ng_Points points;      // all points
     Ng_Vertices vertices;
     Ng_Edges edges;
diff --git a/libsrc/include/nginterface_v2_impl.hpp b/libsrc/include/nginterface_v2_impl.hpp
index bf34eba3..7495d7bb 100644
--- a/libsrc/include/nginterface_v2_impl.hpp
+++ b/libsrc/include/nginterface_v2_impl.hpp
@@ -4,6 +4,12 @@ NGX_INLINE DLL_HEADER Ng_Point Ngx_Mesh :: GetPoint (int nr) const
 }
 
 
+template <>
+NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<0> (int nr) const
+{
+  return 0;
+}
+
 template <>
 NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<1> (int nr) const
 {
diff --git a/libsrc/interface/nginterface_v2.cpp b/libsrc/interface/nginterface_v2.cpp
index 2e191146..b1fcbc87 100644
--- a/libsrc/interface/nginterface_v2.cpp
+++ b/libsrc/interface/nginterface_v2.cpp
@@ -226,13 +226,14 @@ namespace netgen
   }
   */
 
+  
+  /*
   template <>
   DLL_HEADER int Ngx_Mesh :: GetElementIndex<0> (int nr) const
   {
     return 0;
   }
 
-  /*
   template <>
   DLL_HEADER int Ngx_Mesh :: GetElementIndex<1> (int nr) const
   {