Index: Constructor/Operations/ExportNavigationMesh.cs
===================================================================
--- Constructor/Operations/ExportNavigationMesh.cs  (revision 0)
+++ Constructor/Operations/ExportNavigationMesh.cs  (revision 6318)
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using Tools;
+using Tools.Util;
+using System.IO;
+
+namespace TerrainConstructor.Constructor.Operations
+{
+    public class ExportNavigationMesh: Operation
+    {
+        public ExportNavigationMesh()
+            : base("Navigation Mesh")
+        {
+        }
+    }
+}
Index: Constructor/AppEnv.cs
===================================================================
--- Constructor/AppEnv.cs   (revision 6317)
+++ Constructor/AppEnv.cs   (revision 6318)
@@ -594,6 +594,7 @@
         public ExportDistricts exportDistricts = null;
         public ExportAirfields exportAirfields = null;
         public ExportRoutes exportRoutes = null;
+        public ExportNavigationMesh exportNavigationMesh = null;
         public ExportForests exportForests = null;
         public ExportReferences exportReferences = null;
         public ExportSurfaceDetails exportSurfaceDetails = null;
@@ -709,6 +710,9 @@
             exportRoutes = new ExportRoutes();
             ExportOperations.Add(exportRoutes);

+            exportNavigationMesh = new ExportNavigationMesh();
+            ExportOperations.Add(exportNavigationMesh);
+
             exportSuperficial = new ExportSuperficial();
             ExportOperations.Add(exportSuperficial);

@@ -819,6 +823,11 @@
             RunOperations("Routes", new Operation[] { exportRoutes });
         }

+        public void RunExportNavigationMesh()
+        {
+            RunOperations("Navigation Mesh", new Operation[] { exportNavigationMesh });
+        }
+
         public void RunExportForests()
         {
             RunOperations("Forests", new Operation[] { exportForests });
Index: Constructor/UI/MainWindow.Designer.cs
===================================================================
--- Constructor/UI/MainWindow.Designer.cs   (revision 6317)
+++ Constructor/UI/MainWindow.Designer.cs   (revision 6318)
@@ -65,6 +65,7 @@
             this.toolStripMenuBuildVectorData5 = new System.Windows.Forms.ToolStripMenuItem();
             this.buildTownsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buildSurfaceToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.buildNavigationMeshToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buildDistrictsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buildScenesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buildDetailsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
@@ -544,6 +545,7 @@
             this.buildForestsToolStripMenuItem,
             this.buildAirfieldsToolStripMenuItem,
             this.buildRoutesToolStripMenuItem,
+            this.buildNavigationMeshToolStripMenuItem,
             this.buildSurfaceDetailsToolStripMenuItem,
             this.buildSuperficialToolStripMenuItem,
             this.buildCloudsToolStripMenuItem});
@@ -672,6 +674,13 @@
             this.buildSurfaceToolStripMenuItem.Text = "Build Surface";
             this.buildSurfaceToolStripMenuItem.Click += new System.EventHandler(this.buildSurfaceToolStripMenuItem_Click);
             //
+            // buildNavigationMeshToolStripMenuItem
+            //
+            this.buildNavigationMeshToolStripMenuItem.Name = "buildNavigationMeshToolStripMenuItem";
+            this.buildNavigationMeshToolStripMenuItem.Size = new System.Drawing.Size(199, 22);
+            this.buildNavigationMeshToolStripMenuItem.Text = "Build Navigation Mesh";
+            this.buildNavigationMeshToolStripMenuItem.Click += new System.EventHandler(this.buildNavigationMeshToolStripMenuItem_Click);
+            //
             // buildDistrictsToolStripMenuItem
             //
             this.buildDistrictsToolStripMenuItem.Name = "buildDistrictsToolStripMenuItem";
@@ -2911,5 +2920,6 @@
         private System.Windows.Forms.ToolStripMenuItem airfieldSettingsToolStripMenuItem;
         private System.Windows.Forms.ToolStripSeparator toolStripSeparator47;
         private System.Windows.Forms.ToolStripMenuItem buildAirfieldsToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem buildNavigationMeshToolStripMenuItem;
     }
 }
Index: Constructor/UI/MainWindow.cs
===================================================================
--- Constructor/UI/MainWindow.cs    (revision 6317)
+++ Constructor/UI/MainWindow.cs    (revision 6318)
@@ -3923,6 +3923,11 @@
             {
             }
         }
+
+        private void buildNavigationMeshToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            appEnv.RunExportNavigationMesh();
+        }
     }


Index: Constructor/UI/MainWindow.resx
===================================================================
--- Constructor/UI/MainWindow.resx  (revision 6317)
+++ Constructor/UI/MainWindow.resx  (revision 6318)
@@ -902,7 +902,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
"Constructor\Operations\BuildLibrary.cs" />
+    <Compile Include="Constructor\Operations\ExportNavigationMesh.cs" />
     <Compile Include="Constructor\Operations\ExportAirfields.cs" />
     <Compile Include="Constructor\Operations\ExportVectorData5.cs" />
     <Compile Include="Constructor\Operations\DumpReference.cs" />