+// Load a binary object file
+ssgBranch *fgBinObjLoad(const string& path, FGTileEntry *tile,
+ ssgVertexArray *lights, const bool is_base);
+
+// Load an ascii object file
+ssgBranch *fgAsciiObjLoad(const string& path, FGTileEntry *tile,
+ ssgVertexArray *lights, const bool is_base);
+
+// Generate an ocean tile
+ssgBranch *fgGenTile( const string& path, FGTileEntry *t);