* Builds a new GraphPanel, given an exact model data structure
* @param model reference to data structure
*/
public GraphArrivalPanel(MainJwatWizard ew) {
this.ew = ew;
((TrafficAnalysisSession) ew.getSession()).addSetParamsListener(new OnSetParamtersListener() {
public void ParamsSetted() {
System.err.println("GraphArrival Panel reset");
GraphArrivalPanel.this.removeAll();
engine = ((TrafficAnalysisSession) GraphArrivalPanel.this.ew.getSession()).getEngine();
initGraphics();