jfreechartdemobase.java

JfreeChart 常用图表例子

        final JFreeChart chart = ChartFactory.createHighLowChart(title, domain, range, data, true);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.magenta));
        return chart;

    }

    /**
     * Creates a candlestick chart.
     *
     * @return a candlestick chart.
     */
    public JFreeChart createCandlestickChart() {

      // create a default chart based on some sample data...
      final String title = this.resources.getString("timeseries.candlestick.title");
      final String domain = this.resources.getString("timeseries.candlestick.domain");
      final String range = this.resources.getString("timeseries.candlestick.range");
      final String subtitleStr = this.resources.getString("timeseries.candlestick.subtitle");
      final DefaultHighLowDataset data = DemoDatasetFactory.createHighLowDataset();
      final JFreeChart chart = ChartFactory.createCandlestickChart(
          title, domain, range, data, false
      );

      // then customise it a little...
      final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
      chart.addSubtitle(subtitle);
      chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.green));
      return chart;

    }

    /**
     * Creates and returns a sample signal chart.
     *
     * @return a sample chart.
     */
    public JFreeChart createSignalChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("timeseries.signal.title");
        final String domain = this.resources.getString("timeseries.signal.domain");
        final String range = this.resources.getString("timeseries.signal.range");
        final String subtitleStr = this.resources.getString("timeseries.signal.subtitle");
        final SignalsDataset data = DemoDatasetFactory.createSampleSignalDataset();
        final JFreeChart chart = ChartFactory.createSignalChart(title, domain, range, data, true);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;

    }

    /**
     * Creates and returns a sample thermometer chart.
     *
     * @return a sample thermometer chart.
     */
    public JFreeChart createThermometerChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("meter.thermo.title");
        final String subtitleStr = this.resources.getString("meter.thermo.subtitle");
        final String units = this.resources.getString("meter.thermo.units");

        final DefaultValueDataset data = new DefaultValueDataset(new Double(34.0));
        final ThermometerPlot plot = new ThermometerPlot(data);
        plot.setUnits(units);
        final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;

    }

    /**
     * Creates and returns a sample meter chart.
     *
     * @return a meter chart.
     */
    public JFreeChart createMeterChartCircle() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("meter.meter.title");
        final String subtitleStr = this.resources.getString("meter.meter.subtitle");
        //String units = resources.getString("meter.meter.units");
        //DefaultMeterDataset data = DemoDatasetFactory.createMeterDataset();
        final DefaultValueDataset data = new DefaultValueDataset(50.0);
        //data.setUnits(units);
        final MeterPlot plot = new MeterPlot(data);
        plot.setMeterAngle(270);
        plot.setDialShape(DialShape.CIRCLE);
        final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                                          plot, false);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates and returns a sample meter chart.
     *
     * @return a meter chart.
     */
    public JFreeChart createMeterChartPie() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("meter.meter.title");
        final String subtitleStr = this.resources.getString("meter.meter.subtitle");
        //String units = resources.getString("meter.meter.units");
        //DefaultMeterDataset data = DemoDatasetFactory.createMeterDataset();
        final DefaultValueDataset data = new DefaultValueDataset(50.0);
        //data.setUnits(units);
        final MeterPlot plot = new MeterPlot(data);
        plot.setMeterAngle(270);
        plot.setDialShape(DialShape.PIE);
        final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates and returns a sample meter chart.
     *
     * @return the meter chart.
     */
    public JFreeChart createMeterChartChord() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("meter.meter.title");
        final String subtitleStr = this.resources.getString("meter.meter.subtitle");
        //String units = resources.getString("meter.meter.units");
        //DefaultMeterDataset data = DemoDatasetFactory.createMeterDataset();
        final DefaultValueDataset data = new DefaultValueDataset(45.0);
        //data.setUnits(units);
        final MeterPlot plot = new MeterPlot(data);
        plot.setMeterAngle(270);
        plot.setDialShape(DialShape.CHORD);
        final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates a compass chart.
     *
     * @return a compass chart.
     */
    public JFreeChart createCompassChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("meter.compass.title");
        final String subtitleStr = this.resources.getString("meter.compass.subtitle");
        final DefaultValueDataset data = new DefaultValueDataset(new Double(45.0));

        final Plot plot = new CompassPlot(data);
        final JFreeChart chart = new JFreeChart(
            title,
            JFreeChart.DEFAULT_TITLE_FONT,
            plot,
            false
        );

        // then customise it a little...
        final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates and returns a sample wind plot.
     *
     * @return a sample wind plot.
     */
    public JFreeChart createWindPlot() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("other.wind.title");
        final String domain = this.resources.getString("other.wind.domain");
        final String range = this.resources.getString("other.wind.range");
        final WindDataset data = DemoDatasetFactory.createWindDataset1();
        final JFreeChart chart = ChartFactory.createWindPlot(title, domain, range, data,
                                                       true,
                                                       false,
                                                       false);

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));
        return chart;

    }

    /**
     * Creates and returns a sample scatter plot.
     *
     * @return a sample scatter plot.
     */
    public JFreeChart createScatterPlot() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("other.scatter.title");
        final String domain = this.resources.getString("other.scatter.domain");
        final String range = this.resources.getString("other.scatter.range");
        final XYDataset data = new SampleXYDataset2();
        final JFreeChart chart = ChartFactory.createScatterPlot(
            title,
            domain,
            range,
            data,
            PlotOrientation.VERTICAL,
            true,
            true,  // tooltips
            false  // urls
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));

        final XYPlot plot = chart.getXYPlot();
        plot.setDomainCrosshairVisible(true);
        plot.setRangeCrosshairVisible(true);
        final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setAutoRangeIncludesZero(false);
        return chart;

    }

    /**
     * Creates and returns a sample line chart.
     *
     * @return a line chart.
     */
    public JFreeChart createLineChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("other.line.title");
        final String domain = this.resources.getString("other.line.domain");
        final String range = this.resources.getString("other.line.range");
        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final JFreeChart chart = ChartFactory.createLineChart(title, domain, range, data,
                                                        PlotOrientation.VERTICAL,
                                                        true,
                                                        true,
                                                        false);

        // then customise it a little...
        chart.setBackgroundImage(JFreeChart.INFO.getLogo());
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.green));

        final CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundAlpha(0.65f);
        return chart;
    }

    /**
     * Creates and returns a sample vertical XY bar chart.
     *
     * @return a sample vertical XY bar chart.
     */
    public JFreeChart createVerticalXYBarChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("other.xybar.title");
        final String domain = this.resources.getString("other.xybar.domain");
        final String range = this.resources.getString("other.xybar.range");
        final TimeSeriesCollection data = DemoDatasetFactory.createTimeSeriesCollection1();
        data.setDomainIsPointsInTime(false);
        final JFreeChart chart = ChartFactory.createXYBarChart(
            title,
            domain,
            true,
            range,
            data,
            PlotOrientation.VERTICAL,
            true,
            false,
            false
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.blue));

        final XYItemRenderer renderer = chart.getXYPlot().getRenderer();
        renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
        return chart;
    }

    /**
     * Creates and returns a sample XY chart with null data.