diff --git a/.gitignore b/.gitignore
index 6d7c9696350..f13fbd61ac3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -81,6 +81,13 @@ GraphicsView/demo/Triangulation_2/Constrained_Delaunay_triangulation_2
 GraphicsView/demo/Triangulation_2/Delaunay_triangulation_2
 GraphicsView/demo/Triangulation_2/Makefile
 GraphicsView/demo/Triangulation_2/Regular_triangulation_2
+GraphicsView/demo/Triangulation_2/Terrain/*.exe
+GraphicsView/demo/Triangulation_2/Terrain/*.sln
+GraphicsView/demo/Triangulation_2/Terrain/*.vcproj
+GraphicsView/demo/Triangulation_2/Terrain/Makefile
+GraphicsView/demo/Triangulation_2/Terrain/Terrain
+GraphicsView/demo/Triangulation_2/Terrain/qrc_*.cxx
+GraphicsView/demo/Triangulation_2/Terrain/ui_*.h
 GraphicsView/demo/Triangulation_2/qrc_*.cxx
 GraphicsView/demo/Triangulation_2/ui_*.h
 GraphicsView/doc_tex/GraphicsView.tex
diff --git a/GraphicsView/demo/Triangulation_2/Terrain/MainWindow.ui b/GraphicsView/demo/Triangulation_2/Terrain/MainWindow.ui
index d24f71cb1d0..23ec5fc1c0d 100644
--- a/GraphicsView/demo/Triangulation_2/Terrain/MainWindow.ui
+++ b/GraphicsView/demo/Triangulation_2/Terrain/MainWindow.ui
@@ -29,12 +29,12 @@
      <x>0</x>
      <y>0</y>
      <width>635</width>
-     <height>19</height>
+     <height>28</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile" >
     <property name="title" >
-     <string>File</string>
+     <string>&amp;File</string>
     </property>
     <addaction name="actionLoad_New_File" />
     <addaction name="separator" />
@@ -47,11 +47,17 @@
    <property name="text" >
     <string>Quit</string>
    </property>
+   <property name="shortcut" >
+    <string>Ctrl+Q</string>
+   </property>
   </action>
   <action name="actionLoad_New_File" >
    <property name="text" >
     <string>Load New File</string>
    </property>
+   <property name="shortcut" >
+    <string>Ctrl+O</string>
+   </property>
   </action>
  </widget>
  <customwidgets>
diff --git a/GraphicsView/demo/Triangulation_2/Terrain/Terrain.cpp b/GraphicsView/demo/Triangulation_2/Terrain/Terrain.cpp
index 4becc0a340f..337f6046d21 100644
--- a/GraphicsView/demo/Triangulation_2/Terrain/Terrain.cpp
+++ b/GraphicsView/demo/Triangulation_2/Terrain/Terrain.cpp
@@ -20,6 +20,10 @@ int main(int argc, char** argv)
   Q_INIT_RESOURCE(Terrain);
   Q_INIT_RESOURCE(CGAL);
   MainWindow mw;
+
+  if(!application.arguments().value(1).isEmpty())
+    mw.open(application.arguments().value(1));
+
   mw.show();
 
   return application.exec();
diff --git a/GraphicsView/demo/Triangulation_2/Terrain/Viewer.cpp b/GraphicsView/demo/Triangulation_2/Terrain/Viewer.cpp
index 206758d06d0..a20af0dd184 100644
--- a/GraphicsView/demo/Triangulation_2/Terrain/Viewer.cpp
+++ b/GraphicsView/demo/Triangulation_2/Terrain/Viewer.cpp
@@ -60,12 +60,17 @@ Viewer::draw()
 
   if(m_view_surface)
   {
-    ::glEnable(GL_LIGHTING);
     ::glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
     ::glColor3f(0.2f, 0.2f, 1.f);
     ::glEnable(GL_POLYGON_OFFSET_FILL);
-    ::glPolygonOffset(3.0f,-3.0f);
+    ::glPolygonOffset(3.0f,3.0f);
+
+    ::glDisable(GL_LIGHTING);
+    gl_draw_vertices();
+
+  ::glEnable(GL_LIGHTING);
     gl_draw_surface();
+
     gl_draw_constraints();
 
     if(draw_triangles_edges)
@@ -84,7 +89,7 @@ Viewer::draw()
 
 
 void 
-Viewer::gl_draw_surface()
+Viewer::gl_draw_vertices()
 {
   ::glColor3f(1.0f, 0.0f, 0.0f);
   ::glDisable(GL_LIGHTING);
@@ -98,8 +103,11 @@ Viewer::gl_draw_surface()
   }
   ::glEnd();
   ::glDisable(GL_POINT_SMOOTH);
+}
 
-  ::glEnable(GL_LIGHTING);
+void 
+Viewer::gl_draw_surface()
+{
   ::glBegin(GL_TRIANGLES);
 
   ::glColor3f(0.2f, 1.0f, 0.2f);
@@ -131,14 +139,12 @@ Viewer::gl_draw_constraints()
 {
 
   glDisable(GL_LIGHTING);
-  glDisable(GL_LIGHT0);
-  //glDisable(GL_LIGHT1);
   glEnable(GL_LINE_SMOOTH);
   glEnable(GL_BLEND);
   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
   glHint(GL_LINE_SMOOTH_HINT,GL_DONT_CARE);
   glLineWidth(1.5);
-  glColor3f(0.f, 0.8f , 0.f);
+  glColor3f(8.f, 0.0f , 0.f);
   Finite_edges_iterator eit = scene->terrain.finite_edges_begin(),
     eend = scene->terrain.finite_edges_end();
   glBegin(GL_LINES);
diff --git a/GraphicsView/demo/Triangulation_2/Terrain/Viewer.h b/GraphicsView/demo/Triangulation_2/Terrain/Viewer.h
index 1ec655166d4..11dff87ae5b 100644
--- a/GraphicsView/demo/Triangulation_2/Terrain/Viewer.h
+++ b/GraphicsView/demo/Triangulation_2/Terrain/Viewer.h
@@ -27,6 +27,8 @@ public:
 public:
   void draw();
 
+  void gl_draw_vertices();
+
   void gl_draw_surface();
 
   void gl_draw_constraints();