// they appear; having the entire chart area listed first would
// obscure all of the other image map areas).
EntityCollection entities = new StandardEntityCollection();
entities.add(new ChartEntity(info.getChartArea(), tooltip, href));
if (info.getEntityCollection() != null)
entities.addAll(info.getEntityCollection());
// Next: most of our chart entities will not have URLs. URL values
// don't inherit in the imagemap, so if we want the entire image
// to have a single URL, we need to assign that URL to every
// area in the chart.