scaler.setMinHourHeight(val);
for (int i = 0; i < planPlacement.getComponentCount(); i++) {
Component c = planPlacement.getComponent(i);
if (c instanceof JTableRuler) {
JTableRuler ruler = (JTableRuler) c;
ruler.revalidate();
}
}
for (int i = 0; i < realPlacement.getComponentCount(); i++) {
Component c = realPlacement.getComponent(i);
if (c instanceof JTableRuler) {