How to use

XYBubbleRenderer

in

org.jfree.chart.renderer.xy

if (!getItemVisible(series, item)) {
  return;
  switch(getScaleType()) {
    case SCALE_ON_DOMAIN_AXIS:
      zero = domainAxis.valueToJava2D(0.0, dataArea,
  g2.setPaint(getItemPaint(series, item));
  g2.fill(circle);
  g2.setStroke(getItemOutlineStroke(series, item));
  g2.setPaint(getItemOutlinePaint(series, item));
  g2.draw(circle);
  if (isItemLabelVisible(series, item)) {
    if (orientation == PlotOrientation.VERTICAL) {
      drawItemLabel(g2, orientation, dataset, series, item,
          transX, transY, false);
      drawItemLabel(g2, orientation, dataset, series, item,
          transY, transX, false);
        = info.getOwner().getEntityCollection();
    if (entities != null && circle.intersects(dataArea)) {
      addEntity(entities, circle, dataset, series, item,
          circle.getCenterX(), circle.getCenterY());
  updateCrosshairValues(crosshairState, x, y, datasetIndex,
      transX, transY, orientation);

public LegendItem getLegendItem(int datasetIndex, int series) {
  LegendItem result = null;
  XYPlot plot = getPlot();
  if (plot == null) {
    return null;
    if (getItemVisible(series, 0)) {
      String label = getLegendItemLabelGenerator().generateLabel(
          dataset, series);
      String description = label;
      String toolTipText = null;
      if (getLegendItemToolTipGenerator() != null) {
        toolTipText = getLegendItemToolTipGenerator().generateLabel(
            dataset, series);
      if (getLegendItemURLGenerator() != null) {
        urlText = getLegendItemURLGenerator().generateLabel(
            dataset, series);
      Shape shape = lookupLegendShape(series);
      Paint paint = lookupSeriesPaint(series);
      Paint outlinePaint = lookupSeriesOutlinePaint(series);
      Stroke outlineStroke = lookupSeriesOutlineStroke(series);
      result = new LegendItem(label, description, toolTipText,
          urlText, shape, paint, outlineStroke, outlinePaint);
      result.setLabelFont(lookupLegendTextFont(series));
      Paint labelPaint = lookupLegendTextPaint(series);
      if (labelPaint != null) {
        result.setLabelPaint(labelPaint);

XYItemRenderer renderer = new XYBubbleRenderer(
    XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
if (tooltips) {

XYItemRenderer renderer = new XYBubbleRenderer(
    XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
if (tooltips) {

XYPlot plot = getPlot();
if (plot == null) {
  return null;
  if (getItemVisible(series, 0)) {
    String label = getLegendItemLabelGenerator().generateLabel(
        dataset, series);
    String description = label;
    String toolTipText = null;
    if (getLegendItemToolTipGenerator() != null) {
      toolTipText = getLegendItemToolTipGenerator().generateLabel(
          dataset, series);
    if (getLegendItemURLGenerator() != null) {
      urlText = getLegendItemURLGenerator().generateLabel(
          dataset, series);
    Shape shape = lookupLegendShape(series);
    Paint paint = lookupSeriesPaint(series);
    Paint outlinePaint = lookupSeriesOutlinePaint(series);
    Stroke outlineStroke = lookupSeriesOutlineStroke(series);
    result = new LegendItem(label, description, toolTipText,
        urlText, shape, paint, outlineStroke, outlinePaint);
    result.setLabelFont(lookupLegendTextFont(series));
    Paint labelPaint = lookupLegendTextPaint(series);
    if (labelPaint != null) {
      result.setLabelPaint(labelPaint);

if (!getItemVisible(series, item)) {
  return;
  switch(getScaleType()) {
    case SCALE_ON_DOMAIN_AXIS:
      zero = domainAxis.valueToJava2D(0.0, dataArea,
  g2.setPaint(getItemPaint(series, item));
  g2.fill(circle);
  g2.setStroke(getItemOutlineStroke(series, item));
  g2.setPaint(getItemOutlinePaint(series, item));
  g2.draw(circle);
  if (isItemLabelVisible(series, item)) {
    if (orientation == PlotOrientation.VERTICAL) {
      drawItemLabel(g2, orientation, dataset, series, item,
          transX, transY, false);
      drawItemLabel(g2, orientation, dataset, series, item,
          transY, transX, false);
    entities = info.getOwner().getEntityCollection();
    if (entities != null && circle.intersects(dataArea)) {
      addEntity(entities, circle, dataset, series, item,
          circle.getCenterX(), circle.getCenterY());
  updateCrosshairValues(crosshairState, x, y, domainAxisIndex,
      rangeAxisIndex, transX, transY, orientation);

JRBubblePlot bubblePlot = (JRBubblePlot)getPlot();
int scaleType = bubblePlot.getScaleTypeInteger() == null ? XYBubbleRenderer.SCALE_ON_RANGE_AXIS : bubblePlot.getScaleTypeInteger().intValue();
XYBubbleRenderer bubbleRenderer = new XYBubbleRenderer( scaleType );
xyPlot.setRenderer( bubbleRenderer );