int off_y = rootFigure.getDisplayBox().y;
for (Iterator<String> itFeature=figureMap.keySet().iterator() ; itFeature.hasNext() ; ) {
String featureID = itFeature.next();
if (featureID.equals(feature.getID())) {
rootFigure.moveBy(root_off_x, 0);
} else {
Feature desFeature = featureModel.getFeature(featureID);
Figure desFigure = figureMap.get(featureID);
FeatureLayout flo = layout.getFeatureLayout(desFeature);