worked on grid generation

minor editor changes

MainWindow.h

@@ -2,6 +2,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+
 class MapView2D;
 class MapView3D;
 class QTreeView;
@@ -44,6 +45,7 @@ signals:
 
 private:
 	Ui::MainWindow *ui;
+	QTreeView* layerTree;
 	MapView2D* mapView2D;
 	MapView3D* mapView3D;
 	ElementParamWidget* elementParamWidget;