void vik_layers_panel_clear ( VikLayersPanel *vlp );
VikAggregateLayer *vik_layers_panel_get_top_layer ( VikLayersPanel *vlp );
void vik_layers_panel_change_coord_mode ( VikLayersPanel *vlp, VikCoordMode mode );
-GList *vik_layers_panel_get_all_layers_of_type(VikLayersPanel *vlp, gint type);
+GList *vik_layers_panel_get_all_layers_of_type(VikLayersPanel *vlp, gint type, gboolean include_invisible);
VikTreeview *vik_layers_panel_get_treeview ( VikLayersPanel *vlp );
G_END_DECLS