}
super.reset();
}
protected void initSimulator(ForceSimulator fsim) {
// make sure we have force items to work with
TupleSet t = (TupleSet)m_vis.getGroup(m_group);
t.addColumns(ANCHORITEM_SCHEMA);
t.addColumns(FORCEITEM_SCHEMA);
Iterator iter = m_vis.visibleItems(m_nodeGroup);
while ( iter.hasNext() ) {
VisualItem item = (VisualItem)iter.next();
// get force item