chartfactory.java

jfreechart安装程序和使用说明

            axis.setAutoRangeIncludesZero(false);
            domainAxis = axis;
        }
        ValueAxis valueAxis = new NumberAxis(yAxisLabel);

        XYBarRenderer renderer = new XYBarRenderer();
        if (tooltips) {
            renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }

        XYPlot plot = new XYPlot(dataset, domainAxis, valueAxis, renderer);
        plot.setOrientation(orientation);

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

        return chart;

    }

    /**
     * Creates an area chart using an {@link XYDataset}.
     * <P>
     * The chart object returned by this method uses an {@link XYPlot} instance as the
     * plot, with a {@link NumberAxis} for the domain axis, a {@link NumberAxis} as the
     * range axis, and a {@link XYAreaRenderer} as the renderer.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
     * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> NOT
     *                    permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return An XY area chart.
     */
    public static JFreeChart createXYAreaChart(String title,
                                               String xAxisLabel,
                                               String yAxisLabel,
                                               XYDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);
        plot.setOrientation(orientation);

        XYToolTipGenerator tipGenerator = null;
        if (tooltips) {
            tipGenerator = new StandardXYToolTipGenerator();
        }

        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }

        plot.setRenderer(new XYAreaRenderer(XYAreaRenderer.AREA, tipGenerator, urlGenerator));

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

        return chart;

    }

    /**
     * Creates a stacked XY area plot.
     * <P>
     * The chart object returned by this method uses an {@link XYPlot} instance as the
     * plot, with a {@link NumberAxis} for the domain axis, a {@link NumberAxis} as the
     * range axis, and a {@link StackedXYAreaRenderer} as the renderer.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
     * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> NOT
     *                     permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A stacked XY area chart.
     */
    public static JFreeChart createStackedXYAreaChart(String title,
                                                      String xAxisLabel,
                                                      String yAxisLabel,
                                                      TableXYDataset dataset,
                                                      PlotOrientation orientation,
                                                      boolean legend,
                                                      boolean tooltips,
                                                      boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        xAxis.setLowerMargin(0.0);
        xAxis.setUpperMargin(0.0);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        XYToolTipGenerator toolTipGenerator = null;
        if (tooltips) {
            toolTipGenerator = new StandardXYToolTipGenerator();
        }

        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        StackedXYAreaRenderer renderer = new StackedXYAreaRenderer(
            XYAreaRenderer.AREA, toolTipGenerator, urlGenerator
        );
        renderer.setOutline(true);
        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
        plot.setOrientation(orientation);

        plot.setRangeAxis(yAxis);  // forces recalculation of the axis range

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

        return chart;

    }

    /**
     * Creates a line chart (based on an {@link XYDataset}) with default settings.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
     * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> NOT
     *                     permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return The chart.
     */
    public static JFreeChart createXYLineChart(String title,
                                               String xAxisLabel,
                                               String yAxisLabel,
                                               XYDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        XYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES);
        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
        plot.setOrientation(orientation);
        if (tooltips) {
            renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

        return chart;

    }

    /**
     * Creates a stepped XY plot with default settings.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
     * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> NOT
     *                     permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A chart.
     */
    public static JFreeChart createXYStepChart(String title,
                                               String xAxisLabel,
                                               String yAxisLabel,
                                               XYDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        DateAxis xAxis = new DateAxis(xAxisLabel);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        XYToolTipGenerator toolTipGenerator = null;
        if (tooltips) {
            toolTipGenerator = new StandardXYToolTipGenerator();
        }

        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        XYItemRenderer renderer = new XYStepRenderer(toolTipGenerator, urlGenerator);

        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);
        plot.setDomainCrosshairVisible(false);
        plot.setRangeCrosshairVisible(false);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
        return chart;

    }

    /**
     * Creates a filled stepped XY plot with default settings.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
     * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> NOT
     *                     permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A chart.
     */
    public static JFreeChart createXYStepAreaChart(String title,
                                                   String xAxisLabel,
                                                   String yAxisLabel,
                                                   XYDataset dataset,
                                                   PlotOrientation orientation,
                                                   boolean legend,
                                                   boolean tooltips,
                                                   boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);

        XYToolTipGenerator toolTipGenerator = null;
        if (tooltips) {
            toolTipGenerator = new StandardXYToolTipGenerator();
        }

        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        XYItemRenderer renderer = new XYStepAreaRenderer(
            XYStepAreaRenderer.AREA_AND