Ejemplo n.º 1
1
  private JFreeChart buildDifferenceChart(TimeSeriesCollection dataset, String title) {
    // Creat the chart
    JFreeChart chart =
        ChartFactory.createTimeSeriesChart(
            title,
            "Date",
            "Price",
            dataset,
            true, // legend
            true, // tool tips
            false // URLs
            );
    chart.setBackgroundPaint(Color.white);

    XYPlot plot = chart.getXYPlot();
    plot.setRenderer(
        new XYDifferenceRenderer(new Color(112, 128, 222), new Color(112, 128, 222), false));
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));

    ValueAxis domainAxis = new DateAxis("Date");
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    plot.setDomainAxis(domainAxis);
    plot.setForegroundAlpha(0.5f);

    return chart;
  }
Ejemplo n.º 2
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();
    }
  }
Ejemplo n.º 3
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;
  }
Ejemplo n.º 4
0
  /** Create the chart */
  private void createChart() {
    if (chartPanel != null) {
      return;
    }

    MyHistogramDataset dataset = new MyHistogramDataset();
    chart =
        ChartFactory.createHistogram(
            "Histogram", null, null, dataset, PlotOrientation.VERTICAL, true, false, false);
    chart.getXYPlot().setForegroundAlpha(0.75f);
    plot = (XYPlot) chart.getPlot();
    initXYPlot(plot);
    chartPanel = doMakeChartPanel(chart);
  }
Ejemplo n.º 5
0
  protected void buildChart() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    chart =
        ChartFactory.createMultiplePieChart(
            "Untitled Chart", dataset, org.jfree.util.TableOrder.BY_COLUMN, false, true, false);
    chart.setAntiAlias(true);
    // chartPanel = new ScrollableChartPanel(chart, true);
    chartPanel = buildChartPanel(chart);
    // chartHolder.getViewport().setView(chartPanel);
    setChartPanel(chartPanel);

    JFreeChart baseChart = (JFreeChart) ((MultiplePiePlot) (chart.getPlot())).getPieChart();
    PiePlot base = (PiePlot) (baseChart.getPlot());
    base.setIgnoreZeroValues(true);
    base.setLabelOutlinePaint(java.awt.Color.WHITE);
    base.setLabelShadowPaint(java.awt.Color.WHITE);
    base.setMaximumLabelWidth(
        0.25); // allow bigger labels by a bit (this will make the chart smaller)
    base.setInteriorGap(0.000); // allow stretch to compensate for the bigger label width
    base.setLabelBackgroundPaint(java.awt.Color.WHITE);
    base.setOutlinePaint(null);
    base.setBackgroundPaint(null);
    base.setShadowPaint(null);
    base.setSimpleLabels(false); // I think they're false anyway

    // change the look of the series title to be smaller
    StandardChartTheme theme = new StandardChartTheme("Hi");
    TextTitle title = new TextTitle("Whatever", theme.getLargeFont());
    title.setPaint(theme.getAxisLabelPaint());
    title.setPosition(RectangleEdge.BOTTOM);
    baseChart.setTitle(title);

    // this must come last because the chart must exist for us to set its dataset
    setSeriesDataset(dataset);
  }