public void initialize() {
super.initialize();
if (numberOfAgents() > 0) myViewer.updateWorldData((Patch[][]) getObject(getAgentNb(0)));
System.err.println(this);
}
public void update(AbstractAgent theAgent, boolean added) {
super.update(theAgent, added);
if (added) myViewer.updateWorldData((Patch[][]) getObject(theAgent));
System.err.println(this);
}