Exemplo n.º 1
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;
  }
 private static JFreeChart createChart() {
   DateAxis dateaxis = new DateAxis("Date");
   dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
   NumberAxis numberaxis = new NumberAxis("Value");
   IntervalXYDataset intervalxydataset = createDataset1();
   XYBarRenderer xybarrenderer = new XYBarRenderer(0.20000000000000001D);
   xybarrenderer.setBaseToolTipGenerator(
       new StandardXYToolTipGenerator(
           "{0}: ({1}, {2})", new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
   XYPlot xyplot = new XYPlot(intervalxydataset, dateaxis, numberaxis, xybarrenderer);
   NumberAxis numberaxis1 = new NumberAxis("Value 2");
   xyplot.setRangeAxis(1, numberaxis1);
   XYDataset xydataset = createDataset2A();
   StandardXYItemRenderer standardxyitemrenderer = new StandardXYItemRenderer();
   standardxyitemrenderer.setBaseToolTipGenerator(
       new StandardXYToolTipGenerator(
           "{0}: ({1}, {2})", new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
   xyplot.setDataset(1, xydataset);
   xyplot.setRenderer(1, standardxyitemrenderer);
   XYDataset xydataset1 = createDataset2B();
   xyplot.setDataset(2, xydataset1);
   xyplot.setRenderer(2, new StandardXYItemRenderer());
   xyplot.mapDatasetToRangeAxis(2, 1);
   xyplot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
   xyplot.setOrientation(PlotOrientation.VERTICAL);
   JFreeChart jfreechart =
       new JFreeChart("Overlaid XYPlot Demo 2", JFreeChart.DEFAULT_TITLE_FONT, xyplot, true);
   ChartUtilities.applyCurrentTheme(jfreechart);
   return jfreechart;
 }