{
IRootComponent activeRoot = controller.getMappingModel().getRootComponent();
if (activeRoot.getBackgroundModel() == null)
{
BasicRootComponentUI brc = (BasicRootComponentUI) activeRoot.getUI();
if (brc.getLayouter().getName().equalsIgnoreCase("Hierarchic Layouter"))
{
cleanMap();
controller.updateAll();
}
final SequencedTask t = Tasks.createSequencedTask("Metalayer");