@Override
  protected JFreeChart createGraph() {
    final JFreeChart chart =
        ChartFactory.createLineChart(
            null, // chart title
            null, // unused
            yLabel, // range axis label
            categoryDataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
            );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    final LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);

    chart.setBackgroundPaint(Color.white);

    final CategoryPlot plot = chart.getCategoryPlot();

    // plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);

    CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);

    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setLowerBound(0);
    rangeAxis.setAutoRange(true);

    final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
    renderer.setBaseStroke(new BasicStroke(2.0f));
    ColorPalette.apply(renderer);

    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(5.0, 0, 0, 5.0));

    return chart;
  }
Beispiel #2
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  /** Creates a trend chart. */
  public JFreeChart createChart(CategoryDataset ds) {
    final JFreeChart chart =
        ChartFactory.createLineChart(
            null, // chart title
            null, // unused
            null, // range axis label
            ds, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
            );

    chart.setBackgroundPaint(Color.white);

    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);

    final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
    renderer.setBaseStroke(new BasicStroke(3));
    configureRenderer(renderer);

    final CategoryAxis domainAxis = new NoOverlapCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);

    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(0, 0, 0, 5.0));

    return chart;
  }
    protected void configureRenderer(LineAndShapeRenderer renderer) {
      renderer.setBaseStroke(new BasicStroke(3));

      for (int i = 0; i < series.size(); i++) renderer.setSeriesPaint(i, series.get(i).color);
    }