Java StandardCategoryToolTipGenerator类代码示例

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedDomainCategoryPlot createPlot() {
    
    CategoryDataset dataset1 = createDataset1();
    NumberAxis rangeAxis1 = new NumberAxis("Value");
    rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
    subplot1.setDomainGridlinesVisible(true);
    
    CategoryDataset dataset2 = createDataset2();
    NumberAxis rangeAxis2 = new NumberAxis("Value");
    rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
    subplot2.setDomainGridlinesVisible(true);

    CategoryAxis domainAxis = new CategoryAxis("Category");
    CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;
    
}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A plot.
 */
private CombinedRangeCategoryPlot createPlot() {
    
    CategoryDataset dataset1 = createDataset1();
    NumberAxis rangeAxis1 = new NumberAxis("Value");
    rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
    subplot1.setDomainGridlinesVisible(true);
    
    CategoryDataset dataset2 = createDataset2();
    NumberAxis rangeAxis2 = new NumberAxis("Value");
    rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
    subplot2.setDomainGridlinesVisible(true);

    NumberAxis rangeAxis = new NumberAxis("Value");
    CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot(rangeAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;
}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a bar chart.  The chart object returned by this method uses a
 * {@link CategoryPlot} instance as the plot, with a {@link CategoryAxis}
 * for the domain axis, a {@link NumberAxis} as the range axis, and a
 * {@link BarRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis
 *                        (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A bar chart.
 */
public static JFreeChart createBarChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    BarRenderer renderer = new BarRenderer();
    ItemLabelPosition position1 = new ItemLabelPosition(
            ItemLabelAnchor.OUTSIDE12, TextAnchor.BOTTOM_CENTER);
    renderer.setBasePositiveItemLabelPosition(position1);
    ItemLabelPosition position2 = new ItemLabelPosition(
            ItemLabelAnchor.OUTSIDE6, TextAnchor.TOP_CENTER);
    renderer.setBaseNegativeItemLabelPosition(position2);
    renderer.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with default settings.  The chart object
 * returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a
 * {@link NumberAxis} as the range axis, and a {@link StackedBarRenderer}
 * as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param domainAxisLabel  the label for the category axis
 *                         (<code>null</code> permitted).
 * @param rangeAxisLabel  the label for the value axis
 *                        (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A stacked bar chart.
 */
public static JFreeChart createStackedBarChart(String title,
        String domainAxisLabel, String rangeAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(domainAxisLabel);
    ValueAxis valueAxis = new NumberAxis(rangeAxisLabel);
    StackedBarRenderer renderer = new StackedBarRenderer();
    renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a bar chart with a 3D effect. The chart object returned by this
 * method uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as
 * the range axis, and a {@link BarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A bar chart with a 3D effect.
 */
public static JFreeChart createBarChart3D(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);
    BarRenderer3D renderer = new BarRenderer3D();
    renderer.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    plot.setForegroundAlpha(0.75f);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with a 3D effect and default settings. The
 * chart object returned by this method uses a {@link CategoryPlot}
 * instance as the plot, with a {@link CategoryAxis3D} for the domain axis,
 * a {@link NumberAxis3D} as the range axis, and a
 * {@link StackedBarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A stacked bar chart with a 3D effect.
 */
public static JFreeChart createStackedBarChart3D(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);
    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    renderer.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates an area chart with default settings.  The chart object returned
 * by this method uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and an {@link AreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return An area chart.
 */
public static JFreeChart createAreaChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    AreaRenderer renderer = new AreaRenderer();
    renderer.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a stacked area chart with default settings.  The chart object
 * returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a
 * {@link NumberAxis} as the range axis, and a {@link StackedAreaRenderer}
 * as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A stacked area chart.
 */
public static JFreeChart createStackedAreaChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    StackedAreaRenderer renderer = new StackedAreaRenderer();
    renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a line chart with default settings.  The chart object returned
 * by this method uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link LineAndShapeRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A line chart.
 */
public static JFreeChart createLineChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    LineAndShapeRenderer renderer = new LineAndShapeRenderer(true, false);
    renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a line chart with default settings. The chart object returned by
 * this method uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as
 * the range axis, and a {@link LineRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A line chart.
 */
public static JFreeChart createLineChart3D(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    LineRenderer3D renderer = new LineRenderer3D();
    renderer.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
void crearChartCombinadoAsignRescateVict(CategoryDataset dataset1,CategoryDataset dataset2) {
        
//        CategoryDataset dataset1 = createDataset1();
        NumberAxis rangeAxis1 = new NumberAxis("Tiempos en milisegundos");
        rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
        renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
        subplot1.setDomainGridlinesVisible(true);
//        CategoryDataset dataset2 = createDataset2();
        NumberAxis rangeAxis2 = new NumberAxis("Unidades de energ�a");
        rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer2 = new BarRenderer();
        renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
        subplot2.setDomainGridlinesVisible(true);
        CategoryAxis domainAxis = new CategoryAxis("Victimas ordenadas por tiempos de rescate");
        CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
        plot.add(subplot1, 2);
        plot.add(subplot2, 1);
        JFreeChart result = new JFreeChart(
        "Tiempos de Rescate y Energ�a consumida para salvar las victimas",
        new Font("SansSerif", Font.BOLD, 12),
        plot,
        true
        );
        ChartPanel chartPanel = new ChartPanel(result);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        this.visualizar(chartPanel);
//        setContentPane(chartPanel);
//        this.pack();
//        RefineryUtilities.centerFrameOnScreen(this);
//        this.setVisible(true);
     }
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link StackedBarRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param domainAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param rangeAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the orientation of the chart (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 bar chart.
 */
public static JFreeChart createStackedBarChart(String title,
                                               String domainAxisLabel,
                                               String rangeAxisLabel,
                                               CategoryDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }

    CategoryAxis categoryAxis = new CategoryAxis(domainAxisLabel);
    ValueAxis valueAxis = new NumberAxis(rangeAxisLabel);

    StackedBarRenderer renderer = new StackedBarRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a bar chart with a 3D effect.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as the
 * range axis, and a {@link BarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value 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 bar chart with a 3D effect.
 */
public static JFreeChart createBarChart3D(String title,
                                          String categoryAxisLabel,
                                          String valueAxisLabel,
                                          CategoryDataset dataset,
                                          PlotOrientation orientation,
                                          boolean legend,
                                          boolean tooltips,
                                          boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    BarRenderer3D renderer = new BarRenderer3D();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the right way around
        plot.setRowRenderingOrder(SortOrder.DESCENDING);
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }
    plot.setForegroundAlpha(0.75f);

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

    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with a 3D effect and default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as the
 * range axis, and a {@link StackedBarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the 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 bar chart with a 3D effect.
 */
public static JFreeChart createStackedBarChart3D(String title,
                                                 String categoryAxisLabel,
                                                 String valueAxisLabel,
                                                 CategoryDataset dataset,
                                                 PlotOrientation orientation,
                                                 boolean legend,
                                                 boolean tooltips,
                                                 boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    // create the renderer...
    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    // create the plot...
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the right way around
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }

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

    return chart;

}
 

import org.jfree.chart.labels.StandardCategoryToolTipGenerator; //导入依赖的package包/类
/**
 * Creates an area chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and an {@link AreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (<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 area chart.
 */
public static JFreeChart createAreaChart(String title,
                                         String categoryAxisLabel,
                                         String valueAxisLabel,
                                         CategoryDataset dataset,
                                         PlotOrientation orientation,
                                         boolean legend,
                                         boolean tooltips,
                                         boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    AreaRenderer renderer = new AreaRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}