private void addChart1() {
    List<SimpleNumberSeries<Integer>> lines = new ArrayList<SimpleNumberSeries<Integer>>();
    lines.add(new SimpleNumberSeries<Integer>(2, 3, 1, 4, 3));
    lines.add(new SimpleNumberSeries<Integer>(1, 4, 3, 2, 5));

    JQPlot chart1 = new JQPlot("chart1", new ListModel<SimpleNumberSeries<Integer>>(lines));

    PlotOptions chart1O = chart1.getOptions();
    chart1O.setTitle(
        "Stacked Filled Line Plot with Transparency (transparency not supported in IE6)");
    chart1O.setStackSeries(true);
    chart1O.getGrid().setBackground("#fefbf3").setBorderWidth(2.5);
    chart1O.getSeriesDefaults().setFill(true).setShowMarker(false).setShadow(false);
    chart1O.getAxes().getXaxis().setPad(1.0).setNumberTicks(5).setAutoscale(false);
    chart1O.getAxes().getYaxis().setMin(0.0).setMax(12.0).setNumberTicks(5);
    chart1O.addNewSeries().setColor("rgba(68, 124, 147, 0.7)");
    chart1O.addNewSeries().setColor("rgba(150, 35, 90, 0.7)");

    add(chart1);
  }
  private void addChart3() {
    List<BaseSeries<Double, Integer>> lines = new ArrayList<BaseSeries<Double, Integer>>();
    BaseSeries<Double, Integer> line1 = new BaseSeries<Double, Integer>();
    line1.addEntry(4.0, 1);
    line1.addEntry(4.0, 2);
    line1.addEntry(3.0, 3);
    line1.addEntry(16.0, 4);

    BaseSeries<Double, Integer> line2 = new BaseSeries<Double, Integer>();
    line2.addEntry(3.0, 1);
    line2.addEntry(7.0, 2);
    line2.addEntry(4.0, 3);
    line2.addEntry(3.125, 4);

    lines.add(line1);
    lines.add(line2);

    JQPlot chart3 = new JQPlot("chart3", new ListModel<BaseSeries<Double, Integer>>(lines));

    PlotOptions chart3O = chart3.getOptions();
    chart3O.setStackSeries(true);
    chart3O.getLegend().setShow(true).setLocation(PlotLegendLocation.se);
    chart3O.setTitle("Unit Sales: Acme Decoy Division");
    chart3O.getSeriesDefaults().setRenderer("$.jqplot.BarRenderer");
    PlotBarRendererOptions renderOptions = new PlotBarRendererOptions();
    renderOptions.setBarDirection(PlotBarDirection.horizontal);
    renderOptions.setBarPadding(6.0);
    renderOptions.setBarMargin(40.0);
    chart3O.getSeriesDefaults().setRendererOptions(renderOptions);
    chart3O.addNewSeries().setLabel("1st Qtr");
    chart3O.addNewSeries().setLabel("2nd Qtr");
    chart3O.getAxes().getYaxis().setRenderer("$.jqplot.CategoryAxisRenderer");
    chart3O.getAxes().getYaxis().setTicks("Q1", "Q2", "Q3", "Q4");
    chart3O.getAxes().getXaxis().setMin(0).setMax(20).setNumberTicks(5);

    add(chart3);
  }
  private void addChart3b() {
    List<SimpleNumberSeries<Double>> lines = new ArrayList<SimpleNumberSeries<Double>>();
    lines.add(new SimpleNumberSeries<Double>(4.0, 2.0, 9.0, 16.0));
    lines.add(new SimpleNumberSeries<Double>(3.0, 7.0, 6.25, 3.125));

    JQPlot chart3b = new JQPlot("chart3b", new ListModel<SimpleNumberSeries<Double>>(lines));

    PlotOptions chart3bO = chart3b.getOptions();
    chart3bO.setStackSeries(true);
    chart3bO.getLegend().setShow(true).setLocation(PlotLegendLocation.nw);
    chart3bO.setTitle("Unit Sales: Acme Decoy Division");
    chart3bO.getSeriesDefaults().setRenderer("$.jqplot.BarRenderer");
    PlotBarRendererOptions renderOptions = new PlotBarRendererOptions();
    renderOptions.setBarPadding(6.0);
    renderOptions.setBarMargin(40.0);
    chart3bO.getSeriesDefaults().setRendererOptions(renderOptions);
    chart3bO.addNewSeries().setLabel("1st Qtr");
    chart3bO.addNewSeries().setLabel("2nd Qtr");
    chart3bO.getAxes().getXaxis().setRenderer("$.jqplot.CategoryAxisRenderer");
    chart3bO.getAxes().getXaxis().setTicks("Q1", "Q2", "Q3", "Q4");
    chart3bO.getAxes().getYaxis().setMin(0).setMax(20).setNumberTicks(5);

    add(chart3b);
  }