String tip = null;
                if (getToolTipGenerator() != null) {
                    tip = this.toolTipGenerator.generateToolTip(data, k);
                }
                String url = null;
                // if (getURLGenerator() != null) {   //dmo: look at this later
                //   url = getURLGenerator().generateURL(data, series, item);
                // }
                // Unlike XYItemRenderer, we need to clone entityArea since it 
                // reused.
                ContourEntity entity = new ContourEntity(
                        (RectangularShape) entityArea.clone(), tip, url);
                entity.setIndex(k);
                entities.add(entity);