Example usage for org.jfree.chart.axis CategoryAxis CategoryAxis

Introduction

In this page you can find the example usage for org.jfree.chart.axis CategoryAxis CategoryAxis.

Prototype

public CategoryAxis(String label)

Source Link

Document

Constructs a category axis, using default values where necessary.

Usage

From source file:org.jfree.chart.ChartFactory.java

/**
 * Creates a Gantt chart using the supplied attributes plus default values
 * where required.  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 DateAxis} as the range axis, and a
 * {@link GanttRenderer} as the renderer.
 *
 * @param title  the chart title ({@code null} permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           ({@code null} permitted).
 * @param dateAxisLabel  the label for the date axis
 *                       ({@code null} permitted).
 * @param dataset  the dataset for the chart ({@code null} permitted).
 *
 * @return A Gantt chart./*  w  w  w.  j  a  va  2  s .c o m*/
 */
public static JFreeChart createGanttChart(String title, String categoryAxisLabel, String dateAxisLabel,
        IntervalCategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    DateAxis dateAxis = new DateAxis(dateAxisLabel);

    CategoryItemRenderer renderer = new GanttRenderer();
    renderer.setDefaultToolTipGenerator(
            new IntervalCategoryToolTipGenerator("{3} - {4}", DateFormat.getDateInstance()));

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis, renderer);
    plot.setOrientation(PlotOrientation.HORIZONTAL);
    JFreeChart chart = new JFreeChart(title, plot);
    currentTheme.apply(chart);
    return chart;

}

From source file:org.jfree.chart.ChartFactory.java

/**
 * Creates a waterfall 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 WaterfallBarRenderer} as the renderer.
 *
 * @param title  the chart title ({@code null} permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           ({@code null} permitted).
 * @param valueAxisLabel  the label for the value axis ({@code null}
 *                        permitted).// www  .j  ava2 s  . c  o m
 * @param dataset  the dataset for the chart ({@code null} permitted).
 *
 * @return A waterfall chart.
 */
public static JFreeChart createWaterfallChart(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    WaterfallBarRenderer renderer = new WaterfallBarRenderer();
    // FIXME create a new method for the horizontal version
    //        if (orientation == PlotOrientation.HORIZONTAL) {
    //            ItemLabelPosition position = new ItemLabelPosition(
    //                    ItemLabelAnchor.CENTER, TextAnchor.CENTER,
    //                    TextAnchor.CENTER, Math.PI / 2.0);
    //            renderer.setBasePositiveItemLabelPosition(position);
    //            renderer.setBaseNegativeItemLabelPosition(position);
    //         }
    ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 0.0);
    renderer.setDefaultPositiveItemLabelPosition(position);
    renderer.setDefaultNegativeItemLabelPosition(position);
    StandardCategoryToolTipGenerator generator = new StandardCategoryToolTipGenerator();
    renderer.setDefaultToolTipGenerator(generator);

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.clearRangeMarkers();
    Marker baseline = new ValueMarker(0.0);
    baseline.setPaint(Color.BLACK);
    plot.addRangeMarker(baseline, Layer.FOREGROUND);
    JFreeChart chart = new JFreeChart(title, plot);
    currentTheme.apply(chart);
    return chart;

}

From source file:org.jfree.chart.ChartFactory.java

/**
 * Creates and returns a default instance of a box and whisker chart
 * based on data from a {@link BoxAndWhiskerCategoryDataset}.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  a label for the category axis
 *     (<code>null</code> permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code>
 *     permitted)./*from w  w w . j  a  v a  2s .  c o m*/
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 *
 * @return A box and whisker chart.
 *
 * @since 1.0.4
 */
public static JFreeChart createBoxAndWhiskerChart(String title, String categoryAxisLabel, String valueAxisLabel,
        BoxAndWhiskerCategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    valueAxis.setAutoRangeIncludesZero(false);

    BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
    renderer.setDefaultToolTipGenerator(new BoxAndWhiskerToolTipGenerator());

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    JFreeChart chart = new JFreeChart(title, plot);
    currentTheme.apply(chart);
    return chart;
}