Java Code Examples for org.jfree.chart.plot.CategoryPlot#getDomainAxis()

private void fillChart(String title, String categoryLabel, String valueLabel, 
		List<String> names, List<Float> values, List<String> colors, boolean horizontal) throws Exception {
	DefaultCategoryDataset data=new DefaultCategoryDataset();
	for (int ix=0; ix<names.size(); ix++) {			
		data.addValue(values.get(ix), "", names.get(ix));			
	}		
       this.chart=ChartFactory.createBarChart3D(
       		title, // title
       		categoryLabel,
       		valueLabel, 
       		data, 
       		( horizontal ? PlotOrientation.HORIZONTAL : PlotOrientation.VERTICAL ),
       		false,
       		false, 
       		false);		
       CategoryPlot plot=(CategoryPlot)this.chart.getPlot();
       CategoryAxis categoryAxis=plot.getDomainAxis();   
       categoryAxis.setLabelFont(new Font("", Font.TRUETYPE_FONT, 9) );
       categoryAxis.setTickLabelFont(new Font("", Font.TRUETYPE_FONT, 9) );
       NumberAxis numberAxis=(NumberAxis)plot.getRangeAxis();
       numberAxis.setLabelFont(new Font("", Font.TRUETYPE_FONT, 9) );
       this.setPlotColor(plot, names, colors);
       this.chart.setTitle(new TextTitle(title, new Font("", Font.TRUETYPE_FONT, 9) ) );		
}
 

private JFreeChart getStackedBarChart( final Visualization visualization, CategoryDataset dataSet, boolean horizontal )
{
    JFreeChart stackedBarChart = ChartFactory.createStackedBarChart( visualization.getName(), visualization.getDomainAxisLabel(),
        visualization.getRangeAxisLabel(), dataSet, PlotOrientation.VERTICAL, !visualization.isHideLegend(), false, false );

    setBasicConfig( stackedBarChart, visualization );

    CategoryPlot plot = (CategoryPlot) stackedBarChart.getPlot();
    plot.setOrientation( horizontal ? PlotOrientation.HORIZONTAL : PlotOrientation.VERTICAL );
    plot.setRenderer( getStackedBarRenderer() );

    CategoryAxis xAxis = plot.getDomainAxis();
    xAxis.setCategoryLabelPositions( CategoryLabelPositions.UP_45 );

    return stackedBarChart;
}
 

private void setAttribute(JFreeChart chart) {
	// 圖案與文字的間隔
	LegendTitle legend = chart.getLegend();
	legend.setBorder(1, 1, 1, 1);

	CategoryPlot plot = chart.getCategoryPlot();
	// 設定WorkItem的屬性
	CategoryAxis domainAxis = plot.getDomainAxis();
	domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45); // 字體角度
	domainAxis.setTickLabelFont(new Font("新細明體", Font.TRUETYPE_FONT, 12)); // 字體

	// 設定Date的屬性
	DateAxis da = (DateAxis) plot.getRangeAxis(0);
	setDateAxis(da);

	// 設定實體的顯示名稱
	CategoryItemRenderer render = plot.getRenderer(0);
	DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
	CategoryItemLabelGenerator generator = new IntervalCategoryItemLabelGenerator(
			"{3} ~ {4}", format);
	render.setBaseItemLabelGenerator(generator);
	render.setBaseItemLabelPaint(Color.BLUE);
	render.setBaseItemLabelsVisible(true);
	render.setBaseItemLabelFont(new Font("黑體", Font.TRUETYPE_FONT, 8));
	render.setSeriesPaint(0, Color.RED);
}
 

public JFreeChart getChart() {
    if (chart == null) {
        createDataset();
        chart = ChartFactory.createBarChart(getTitle(),
                // chart title
                "Category",
                // domain axis label
                "Value",
                // range axis label
                dataset,
                // data
                PlotOrientation.VERTICAL,
                // orientation
                false,
                // include legend
                true,
                // tooltips?
                false
        // URLs?
        );
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        CategoryAxis rangeAxis = plot.getDomainAxis();
        rangeAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
        final BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
        renderer.setFillBox(true);
        renderer.setToolTipGenerator(new BoxAndWhiskerToolTipGenerator());
        // TODO reactivate if newer jfree is used
        // renderer.setMeanVisible(isMeanVisible);
        plot.setRenderer(renderer);
    }

    return chart;
}
 

public JFreeChart getChart() {
    if (chart == null) {
        createDataset();
        chart = ChartFactory.createBarChart(title,
        // chart title
                xLabel,
                // domain axis label
                yLabel,
                // range axis label
                dataset,
                // data
                PlotOrientation.VERTICAL,
                // orientation
                false,
                // include legend
                true,
                // tooltips?
                false
        // URLs?
                );

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        CategoryAxis rangeAxis = plot.getDomainAxis();
        rangeAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    }
    return chart;
}
 

private byte[] generateBoxAndWhiskerChart (BoxAndWhiskerCategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createBoxAndWhiskerChart (null, null,
			null, dataset, false);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	plot.setDomainGridlinePaint (Color.white);
	plot.setDomainGridlinesVisible (true);
	plot.setRangeGridlinePaint (Color.white);

	NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setLowerMargin (0.0);
	domainAxis.setUpperMargin (0.0);

	BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "SWTBarChartDemo1",       // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // the SWTGraphics2D class doesn't handle GradientPaint well, so
    // replace the gradient painter from the default theme with a
    // standard painter...
    renderer.setBarPainter(new StandardBarPainter());

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(
                    Math.PI / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;

}
 

private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
			null, // domain axis label
			null, // range axis label
			dataset, // data
			PlotOrientation.VERTICAL, // the plot orientation
			true, // legend
			true, // tooltips
			false // urls
			);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	// set transparency
	plot.setForegroundAlpha (0.7f);
	plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
	plot.setBackgroundPaint (Color.lightGray);
	plot.setDomainGridlinesVisible (true);
	plot.setDomainGridlinePaint (Color.white);
	plot.setRangeGridlinesVisible (true);
	plot.setRangeGridlinePaint (Color.white);

	// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
	CategoryItemRenderer renderer = plot.getRenderer ();
	renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
	renderer.setSeriesPaint (1, new Color (139, 69, 19));
	renderer.setSeriesPaint (2, Color.BLUE);
	renderer.setSeriesPaint (3, Color.GREEN);
	renderer.setSeriesPaint (4, Color.WHITE);

	// set the range axis to display integers only...
	NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
       domainAxis.setLowerMargin(0.0);
       domainAxis.setUpperMargin(0.0);

       BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

private JFreeChart createChart() {
	if (data.getItemCount() > 0) {
		// get cumulative percentages
		KeyedValues cumulative = DataUtilities.getCumulativePercentages(data);

		CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset(
				"Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data);

		// create the chart...
		final JFreeChart chart = ChartFactory.createBarChart(null, // chart title
				this.dataTable.getColumnName(this.groupByColumn), // domain axis label
				"Count", // range axis label
				categoryDataset, // data
				PlotOrientation.VERTICAL, true, // include legend
				true, false);

		// set the background color for the chart...
		chart.setBackgroundPaint(Color.WHITE);

		// get a reference to the plot for further customization...
		CategoryPlot plot = chart.getCategoryPlot();

		CategoryAxis domainAxis = plot.getDomainAxis();
		domainAxis.setLowerMargin(0.02);
		domainAxis.setUpperMargin(0.02);
		domainAxis.setLabelFont(LABEL_FONT_BOLD);
		domainAxis.setTickLabelFont(LABEL_FONT);

		// set the range axis to display integers only...
		NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
		rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US));
		rangeAxis.setLabelFont(LABEL_FONT_BOLD);
		rangeAxis.setTickLabelFont(LABEL_FONT);

		// second data set (cumulative percentages)
		CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative);

		LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
		renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker());

		NumberAxis axis2 = new NumberAxis("Percent of " + countValue);
		axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
		axis2.setLabelFont(LABEL_FONT_BOLD);
		axis2.setTickLabelFont(LABEL_FONT);

		plot.setRangeAxis(1, axis2);
		plot.setDataset(1, dataset2);
		plot.setRenderer(1, renderer2);
		plot.mapDatasetToRangeAxis(1, 1);

		axis2.setTickUnit(new NumberTickUnit(0.1));

		// show grid lines
		plot.setRangeGridlinesVisible(true);

		// bring cumulative line to front
		plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

		if (isLabelRotating()) {
			domainAxis.setTickLabelsVisible(true);
			domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
		}

		return chart;
	} else {
		return null;
	}
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "SWTBarChartDemo1",       // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // the SWTGraphics2D class doesn't handle GradientPaint well, so
    // replace the gradient painter from the default theme with a
    // standard painter...
    renderer.setBarPainter(new StandardBarPainter());

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(
                    Math.PI / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;

}
 

@SuppressWarnings("deprecation")
private void customizeChart(JFreeChart chart) throws IOException {
    chart.setBackgroundPaint(Color.white);
    chart.setBorderVisible(settings.isBorder());

    TextTitle chartTitle = chart.getTitle();
    customizeTitle(chartTitle, DEFAULT_TITLE_FONT);

    addSubTitle(chart, settings.getSubTitle(), DEFAULT_SUBTITLE_FONT);
    addSubTitle(chart, settings.getSubTitle2(), DEFAULT_SUBTITLE2_FONT);

    CategoryPlot plot = ( CategoryPlot ) chart.getPlot();
    plot.setNoDataMessage(ldUtil.getText("livingdoc.historic.nodata"));

    StackedBarRenderer renderer = new StackedBarRenderer(true);
    plot.setRenderer(renderer);

    int index = 0;
    renderer.setSeriesPaint(index ++ , GREEN_COLOR);
    if (settings.isShowIgnored()) {
        renderer.setSeriesPaint(index ++ , Color.yellow);
    }
    renderer.setSeriesPaint(index, Color.red);

    renderer.setToolTipGenerator(new DefaultTooltipGenerator());
    renderer.setItemURLGenerator(new CategoryURLGenerator() {

        @Override
        public String generateURL(CategoryDataset data, int series, int category) {
            Comparable< ? > valueKey = data.getColumnKey(category);
            ChartLongValue value = ( ChartLongValue ) valueKey;
            return "javascript:" + settings.getExecutionUID() + "_showHistoricChart('" + value.getId() + "');";
        }
    });

    CategoryAxis domainAxis = plot.getDomainAxis();
    customizeAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setCategoryMargin(0.01);

    ValueAxis rangeAxis = plot.getRangeAxis();
    customizeAxis(rangeAxis);
    rangeAxis.setLowerBound(0);
    rangeAxis.setUpperBound(1.0);

    if (rangeAxis instanceof NumberAxis) {
        NumberAxis numberAxis = ( NumberAxis ) rangeAxis;
        numberAxis.setTickUnit(new NumberTickUnit(.10));
        numberAxis.setNumberFormatOverride(PERCENT_FORMATTER);
    }

    plot.setForegroundAlpha(0.8f);
}
 

private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
			null, // domain axis label
			null, // range axis label
			dataset, // data
			PlotOrientation.VERTICAL, // the plot orientation
			true, // legend
			true, // tooltips
			false // urls
			);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	// set transparency
	plot.setForegroundAlpha (0.7f);
	plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
	plot.setBackgroundPaint (Color.lightGray);
	plot.setDomainGridlinesVisible (true);
	plot.setDomainGridlinePaint (Color.white);
	plot.setRangeGridlinesVisible (true);
	plot.setRangeGridlinePaint (Color.white);

	// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
	CategoryItemRenderer renderer = plot.getRenderer ();
	renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
	renderer.setSeriesPaint (1, new Color (139, 69, 19));
	renderer.setSeriesPaint (2, Color.BLUE);
	renderer.setSeriesPaint (3, Color.GREEN);
	renderer.setSeriesPaint (4, Color.WHITE);

	// set the range axis to display integers only...
	NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
       domainAxis.setLowerMargin(0.0);
       domainAxis.setUpperMargin(0.0);

       BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    
    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "Bar Chart Demo",         // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // set the background color for the chart...
    chart.setBackgroundPaint(Color.white);

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
    );
    // OPTIONAL CUSTOMISATION COMPLETED.
    
    return chart;
    
}
 

private byte[] generateLayeredBarChart (CategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createBarChart (null, // chart title
			null, // domain axis label
			null, // range axis label
			dataset, // data
			PlotOrientation.VERTICAL, // the plot orientation
			true, // legend
			true, // tooltips
			false // urls
			);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	// disable bar outlines...
	LayeredBarRenderer renderer = new LayeredBarRenderer ();
	renderer.setDrawBarOutline (false);
	renderer.setSeriesBarWidth (0, .6);
	renderer.setSeriesBarWidth (1, .8);
	renderer.setSeriesBarWidth (2, 1.0);
	plot.setRenderer (renderer);

	// for this renderer, we need to draw the first series last...
	plot.setRowRenderingOrder (SortOrder.DESCENDING);

	// set up gradient paints for series...
	GradientPaint gp0 = new GradientPaint (0.0f, 0.0f, Color.blue, 0.0f,
			0.0f, new Color (0, 0, 64));
	GradientPaint gp1 = new GradientPaint (0.0f, 0.0f, Color.green, 0.0f,
			0.0f, new Color (0, 64, 0));
	GradientPaint gp2 = new GradientPaint (0.0f, 0.0f, Color.red, 0.0f,
			0.0f, new Color (64, 0, 0));
	renderer.setSeriesPaint (0, gp0);
	renderer.setSeriesPaint (1, gp1);
	renderer.setSeriesPaint (2, gp2);

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
	domainAxis.setLowerMargin (0.0);
	domainAxis.setUpperMargin (0.0);

	BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "SWTBarChartDemo1",       // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // the SWTGraphics2D class doesn't handle GradientPaint well, so
    // replace the gradient painter from the default theme with a
    // standard painter...
    renderer.setBarPainter(new StandardBarPainter());

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(
                    Math.PI / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;

}
 

/**
 * Returns a domain axis for a plot.
 *
 * @param plot  the plot.
 * @param index  the axis index.
 *
 * @return A domain axis.
 */
protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) {
    CategoryAxis result = plot.getDomainAxis(index);
    if (result == null) {
        result = plot.getDomainAxis();
    }
    return result;
}
 

/**
 * Returns a domain axis for a plot.
 *
 * @param plot  the plot.
 * @param index  the axis index.
 *
 * @return A domain axis.
 */
protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) {
    CategoryAxis result = plot.getDomainAxis(index);
    if (result == null) {
        result = plot.getDomainAxis();
    }
    return result;
}
 

/**
 * Returns a domain axis for a plot.
 *
 * @param plot  the plot.
 * @param index  the axis index.
 *
 * @return A domain axis.
 */
protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) {
    CategoryAxis result = plot.getDomainAxis(index);
    if (result == null) {
        result = plot.getDomainAxis();
    }
    return result;
}
 

/**
 * Returns a domain axis for a plot.
 * 
 * @param plot  the plot.
 * @param index  the axis index.
 * 
 * @return A domain axis.
 */
protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) {
    CategoryAxis result = plot.getDomainAxis(index);
    if (result == null) {
        result = plot.getDomainAxis();
    }
    return result;
}
 

/**
 * Returns a domain axis for a plot.
 *
 * @param plot  the plot.
 * @param index  the axis index.
 *
 * @return A domain axis.
 */
protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) {
    CategoryAxis result = plot.getDomainAxis(index);
    if (result == null) {
        result = plot.getDomainAxis();
    }
    return result;
}