Example #1
0
  public Chart(String title, String timeAxis, String valueAxis, TimeSeries data) {
    try {
      // Build the datasets
      dataset.addSeries(data);

      // Create the chart
      JFreeChart chart =
          ChartFactory.createTimeSeriesChart(
              title, timeAxis, valueAxis, dataset, true, true, false);

      // Setup the appearance of the chart
      chart.setBackgroundPaint(Color.white);
      XYPlot plot = chart.getXYPlot();
      plot.setBackgroundPaint(Color.lightGray);
      plot.setDomainGridlinePaint(Color.white);
      plot.setRangeGridlinePaint(Color.white);
      plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
      plot.setDomainCrosshairVisible(true);
      plot.setRangeCrosshairVisible(true);

      // Tell the chart how we would like dates to read
      DateAxis axis = (DateAxis) plot.getDomainAxis();
      axis.setDateFormatOverride(new SimpleDateFormat("EEE HH"));

      this.add(new ChartPanel(chart));
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
Example #2
0
  private JFreeChart buildChart(TimeSeriesCollection dataset, String title, boolean endPoints) {
    // Create the chart
    JFreeChart chart =
        ChartFactory.createTimeSeriesChart(title, "Date", "Price", dataset, true, true, false);

    // Display each series in the chart with its point shape in the legend
    LegendTitle sl = chart.getLegend();
    // sl.setDisplaySeriesShapes(true);

    // Setup the appearance of the chart
    chart.setBackgroundPaint(Color.white);
    XYPlot plot = chart.getXYPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    // Display data points or just the lines?
    if (endPoints) {
      XYItemRenderer renderer = plot.getRenderer();
      if (renderer instanceof StandardXYItemRenderer) {
        StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
        // rr.setPlotShapes(true);
        rr.setShapesFilled(true);
        rr.setItemLabelsVisible(true);
      }
    }

    // Tell the chart how we would like dates to read
    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
    return chart;
  }