jfreechartdemobase.java

JfreeChart 常用图表例子

    }

    /**
     * Creates and returns a sample vertical 3D bar chart.
     *
     * @return a sample vertical 3D bar chart.
     */
    public JFreeChart createVertical3DBarChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("bar.vertical3D.title");
        final String domain = this.resources.getString("bar.vertical3D.domain");
        final String range = this.resources.getString("bar.vertical3D.range");

        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final JFreeChart chart = ChartFactory.createBarChart3D(
            title,
            domain,
            range, data,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.blue));
        final CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.75f);
        return chart;

    }

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

        // create a default chart based on some sample data...
        final String title = this.resources.getString("bar.vertical-stacked.title");
        final String domain = this.resources.getString("bar.vertical-stacked.domain");
        final String range = this.resources.getString("bar.vertical-stacked.range");

        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final JFreeChart chart
            = ChartFactory.createStackedBarChart(title, domain, range, data,
                                                 PlotOrientation.VERTICAL,
                                                 true,
                                                 true,
                                                 false);

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

    }

    /**
     * Creates and returns a sample stacked vertical 3D bar chart.
     *
     * @return a sample stacked vertical 3D bar chart.
     */
    public JFreeChart createVerticalStacked3DBarChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("bar.vertical-stacked3D.title");
        final String domain = this.resources.getString("bar.vertical-stacked3D.domain");
        final String range = this.resources.getString("bar.vertical-stacked3D.range");
        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final JFreeChart chart = ChartFactory.createStackedBarChart3D(title, domain, range, data,
                                                                PlotOrientation.VERTICAL,
                                                                true, true, false);

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

    }

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

        // create a default chart based on some sample data...
        final String title = this.resources.getString("pie.pie1.title");
        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final PieDataset extracted = DatasetUtilities.createPieDatasetForRow(data, 0);
        final JFreeChart chart = ChartFactory.createPieChart(title, extracted, true, true, false);

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.orange));
        final PiePlot plot = (PiePlot) chart.getPlot();
        plot.setCircular(false);
        // make section 1 explode by 100%...
        plot.setExplodePercent(1, 1.00);
        return chart;

    }

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

        // create a default chart based on some sample data...
        final String title = this.resources.getString("pie.pie2.title");
        final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        final Comparable category = (Comparable) data.getColumnKeys().get(1);
        final PieDataset extracted = DatasetUtilities.createPieDatasetForColumn(data, category);
        final JFreeChart chart = ChartFactory.createPieChart(title, extracted, true, true, false);

        // then customise it a little...
        chart.setBackgroundPaint(Color.lightGray);
        final PiePlot pie = (PiePlot) chart.getPlot();
        pie.setLabelGenerator(new StandardPieItemLabelGenerator(
            "{0} = {2}", NumberFormat.getNumberInstance(), NumberFormat.getPercentInstance()
        ));
        pie.setBackgroundImage(JFreeChart.INFO.getLogo());
        pie.setBackgroundPaint(Color.white);
        pie.setBackgroundAlpha(0.6f);
        pie.setForegroundAlpha(0.75f);
        return chart;

    }

    /**
     * Creates and returns a sample pie chart which compares 2 datasets.
     *
     * @return a sample pie chart.
     * @author <a href="mailto:[e-mail]">Benoit Xhenseval</a>
     * @since 0.9.18
     */
    public JFreeChart createPieChartThree() {

        // create a default chart based on some sample data...
        String title = this.resources.getString("pie.pie3.title");

        final double[][] data = new double[][]
            {{10.0, 4.0, 14.0, 12.0, 12.0},
             {9.0, 7.0, 13.7, 15.0, 3.0}};

        CategoryDataset dataset = DatasetUtilities.createCategoryDataset(
            "Series ", "Category ", data
        );

        PieDataset extracted = DatasetUtilities.createPieDatasetForRow(dataset, 0);
        PieDataset extracted2 = DatasetUtilities.createPieDatasetForRow(dataset, 1);

        // generate a basic pie chart with title
        // comparing extracted with extracted2
        // a difference of 40% or more will trigger maximum brightness in red or green
        // true green is for increase
        // true for legend
        // true for tooltips
        // false for urls
        // true for subtitle
        // true for showing the difference
        JFreeChart chart = ChartFactory.createPieChart(
            title, extracted, extracted2, 40, true, true, true, false, true, true
        );

        return chart;

    }

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

        // create a default chart based on some sample data...
        final String title = this.resources.getString("xyplot.sample1.title");
        final String domain = this.resources.getString("xyplot.sample1.domain");
        final String range = this.resources.getString("xyplot.sample1.range");
        final XYDataset data = DemoDatasetFactory.createSampleXYDataset();
        final JFreeChart chart = ChartFactory.createXYLineChart(
            title,
            domain, range, data,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );

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

    }

    /**
     * Creates and returns a sample time series chart.
     *
     * @return a sample time series chart.
     */
    public JFreeChart createTimeSeries1Chart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("timeseries.sample1.title");
        final String subtitle = this.resources.getString("timeseries.sample1.subtitle");
        final String domain = this.resources.getString("timeseries.sample1.domain");
        final String range = this.resources.getString("timeseries.sample1.range");
        final String copyrightStr = this.resources.getString("timeseries.sample1.copyright");
        final XYDataset data = DemoDatasetFactory.createTimeSeriesCollection3();
        final JFreeChart chart = ChartFactory.createTimeSeriesChart(
            title, domain, range, data, true, true, false
        );

        // then customise it a little...
        final TextTitle title2 = new TextTitle(subtitle, new Font("SansSerif", Font.PLAIN, 12));
  //      title2.setSpacer(new Spacer(Spacer.RELATIVE, 0.05, 0.05, 0.05, 0.0));
        chart.addSubtitle(title2);

        final TextTitle copyright = new TextTitle(
            copyrightStr, new Font("SansSerif", Font.PLAIN, 9)
        );
        copyright.setPosition(RectangleEdge.BOTTOM);
        copyright.setHorizontalAlignment(HorizontalAlignment.RIGHT);
        chart.addSubtitle(copyright);

        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        final XYPlot plot = chart.getXYPlot();
        final DateAxis axis = (DateAxis) plot.getDomainAxis();
        axis.setVerticalTickLabels(true);
        return chart;

    }

    /**
     * Creates and returns a sample time series chart.
     *
     * @return a sample time series chart.
     */
    public JFreeChart createTimeSeries2Chart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("timeseries.sample2.title");
        final String subtitleStr = this.resources.getString("timeseries.sample2.subtitle");
        final String domain = this.resources.getString("timeseries.sample2.domain");
        final String range = this.resources.getString("timeseries.sample2.range");
        final XYDataset data = DemoDatasetFactory.createTimeSeriesCollection4();
        final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, data,
                                                              true, true, 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));
        final XYPlot plot = chart.getXYPlot();
        final LogarithmicAxis rangeAxis = new LogarithmicAxis(range);
        plot.setRangeAxis(rangeAxis);
        return chart;

    }

    /**
     * Creates and returns a sample time series chart.
     *
     * @return a sample time series chart.
     */
    public JFreeChart createTimeSeriesWithMAChart() {

        // create a default chart based on some sample data...
        final String title = this.resources.getString("timeseries.sample3.title");
        final String domain = this.resources.getString("timeseries.sample3.domain");
        final String range = this.resources.getString("timeseries.sample3.range");
        final String subtitleStr = this.resources.getString("timeseries.sample3.subtitle");
        final TimeSeries jpy = DemoDatasetFactory.createJPYTimeSeries();
        final TimeSeries mav = MovingAverage.createMovingAverage(
            jpy, "30 Day Moving Average", 30, 30
        );
        final TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(jpy);
        dataset.addSeries(mav);
        final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, dataset,
                                                              true,
                                                              true,
                                                              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;

    }

    /**
     * Displays a vertical bar chart in its own frame.
     *
     * @return a high low chart.
     */
    public JFreeChart createHighLowChart() {

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