Example usage for java.awt GradientPaint GradientPaint

List of usage examples for java.awt GradientPaint GradientPaint

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Introduction

In this page you can find the example usage for java.awt GradientPaint GradientPaint.

Prototype

public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2)

Source Link

Document

Constructs a simple acyclic GradientPaint object.

Usage

From source file:org.jfree.chart.demo.selection.SelectionDemo5Category.java

private static JFreeChart createChart(CategoryDataset dataset,
        DatasetSelectionExtension<CategoryCursor<String, String>> ext) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart("Bar Chart Demo 1", "Category", "Value", dataset);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setDomainGridlinesVisible(true);
    plot.setRangeCrosshairVisible(true);
    plot.setRangeCrosshairPaint(Color.blue);

    // 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);/*from  w w w.  ja  v a  2  s .  c  o m*/

    // 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);

    renderer.setLegendItemToolTipGenerator(new StandardCategorySeriesLabelGenerator("Tooltip: {0}"));

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

    //add selection specific rendering
    IRSUtilities.setSelectedItemPaint(renderer, ext, Color.WHITE);

    //register plot as selection change listener
    ext.addChangeListener(plot);

    return chart;
}

From source file:com.opensourcestrategies.financials.reports.JFreeFinancialCharts.java

/**
 * Liquidity snapshot chart.  Documentation is at http://www.opentaps.org/docs/index.php/Financials_Home_Screen
 *
 * Because a user might not have permission to view balances in all areas, this method takes into consideration
 * the ability to view various bars in the chart.
 *
 * @param accountsMap Map of accounts keyed by the glAccountType
 * @return String filename pointing to the chart, to be used with showChart URI request
 *//* ww w .  j a  va  2 s  .c  o  m*/
public static String createLiquiditySnapshotChart(Map<String, GenericValue> accountsMap,
        List<GenericValue> creditCardAccounts, Locale locale, boolean hasReceivablesPermission,
        boolean hasPayablesPermission, boolean hasInventoryPermission)
        throws GenericEntityException, IOException {
    Map<String, Object> uiLabelMap = UtilMessage.getUiLabels(locale);

    // create the dataset
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    // compile the four bars
    if (hasReceivablesPermission) {
        double cashBalance = 0.0;
        cashBalance += getPostedBalance(accountsMap.get("UNDEPOSITED_RECEIPTS"));
        cashBalance += getPostedBalance(accountsMap.get("BANK_STLMNT_ACCOUNT"));
        dataset.addValue(cashBalance, "", (String) uiLabelMap.get("FinancialsCashEquivalents"));

        double receivablesBalance = 0.0;
        receivablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_RECEIVABLE"));
        // merchant account settlement balances are receivable
        receivablesBalance += getPostedBalance(accountsMap.get("MRCH_STLMNT_ACCOUNT"));
        dataset.addValue(receivablesBalance, "", (String) uiLabelMap.get("FinancialsReceivables"));
    }
    if (hasInventoryPermission) {
        double inventoryBalance = 0.0;
        inventoryBalance += getPostedBalance(accountsMap.get("INVENTORY_ACCOUNT"));
        inventoryBalance += getPostedBalance(accountsMap.get("RAWMAT_INVENTORY"));
        inventoryBalance += getPostedBalance(accountsMap.get("WIP_INVENTORY"));
        dataset.addValue(inventoryBalance, "", (String) uiLabelMap.get("WarehouseInventory"));
    }
    if (hasPayablesPermission) {
        double payablesBalance = 0.0;
        payablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("COMMISSIONS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("UNINVOICED_SHIP_RCPT"));
        dataset.addValue(payablesBalance, "", (String) uiLabelMap.get("FinancialsPayables"));
    }

    // set up the chart
    JFreeChart chart = ChartFactory.createBarChart((String) uiLabelMap.get("FinancialsLiquiditySnapshot"), // chart title
            null, // domain axis label
            null, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips
            false // urls
    );
    chart.setBackgroundPaint(Color.white);
    chart.setBorderVisible(true);
    chart.setPadding(new RectangleInsets(5.0, 5.0, 5.0, 5.0));

    // get a reference to the plot for further customisation...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    // get the bar renderer to put effects on the bars
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false); // disable bar outlines

    // set up gradient paint on bar
    final GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.GREEN, 0.0f, 0.0f, Color.GRAY);
    renderer.setSeriesPaint(0, gp);

    // change the auto tick unit selection to integer units only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // tilt the category labels so they fit
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // save as a png and return the file name
    return ServletUtilities.saveChartAsPNG(chart, 400, 300, null);
}

From source file:graphs.ResultsGraphs.java

/**
 * Creates a sample chart./* w w w.  ja  v  a 2  s. c  om*/
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private JFreeChart createChart(final CategoryDataset dataset) {

    // create the chart...
    final JFreeChart chart = ChartFactory.createBarChart("Mashup Language Sentiment Algorithm Performance ", // chart title
            "Performance Metric", // 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...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    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...
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

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

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

    return chart;

}

From source file:org.jfree.expdemo.SelectionDemo5Category.java

private static JFreeChart createChart(CategoryDataset dataset, DatasetSelectionExtension ext) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart("Bar Chart Demo 1", // chart title
            "Category", // domain axis label
            "Value", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/*from w  w w.j a  v  a  2  s . c o m*/

    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setDomainGridlinesVisible(true);
    plot.setRangeCrosshairVisible(true);
    plot.setRangeCrosshairPaint(Color.blue);

    // 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);

    // 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);

    renderer.setLegendItemToolTipGenerator(new StandardCategorySeriesLabelGenerator("Tooltip: {0}"));

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

    //add selection specific rendering
    IRSUtilities.setSelectedItemPaint(renderer, ext, Color.WHITE);

    //register plot as selection change listener
    ext.addSelectionChangeListener(plot);

    return chart;

}

From source file:fitmon.Chart.java

/**
 * Creates a sample chart.//from  w  w w .ja  va 2  s . co m
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private JFreeChart createChart(final CategoryDataset dataset) {

    // create the chart...
    final 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...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    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...
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

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

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

    return chart;

}

From source file:org.jfree.chart.demo.CombinedXYPlotDemo3.java

/**
 * Creates a combined XYPlot chart./*from  w  ww .  jav a2 s . com*/
 *
 * @return the combined chart.
 */
private JFreeChart createCombinedChart() {

    // create a default chart based on some sample data...
    final TimeSeriesCollection dataset0 = new TimeSeriesCollection();
    final TimeSeries eur = DemoDatasetFactory.createEURTimeSeries();
    dataset0.addSeries(eur);

    final TimeSeriesCollection dataset1 = new TimeSeriesCollection();
    final TimeSeries mav = MovingAverage.createMovingAverage(eur, "EUR/GBP (30 Day MA)", 30, 30);
    dataset1.addSeries(eur);
    dataset1.addSeries(mav);

    final TimeSeriesCollection dataset2 = new TimeSeriesCollection();
    dataset2.addSeries(eur);

    JFreeChart chart = null;

    // make a common vertical axis for all the sub-plots
    final NumberAxis valueAxis = new NumberAxis("Value");
    valueAxis.setAutoRangeIncludesZero(false); // override default

    // make a horizontally combined plot
    final CombinedRangeXYPlot parent = new CombinedRangeXYPlot(valueAxis);

    // add subplot 1...
    final XYPlot subplot1 = new XYPlot(dataset0, new DateAxis("Date 1"), null, new StandardXYItemRenderer());
    parent.add(subplot1, 1);

    // add subplot 2...
    final XYPlot subplot2 = new XYPlot(dataset1, new DateAxis("Date 2"), null, new StandardXYItemRenderer());
    parent.add(subplot2, 1);

    // add subplot 3...
    final XYPlot subplot3 = new XYPlot(dataset2, new DateAxis("Date 3"), null, new XYBarRenderer(0.20));
    parent.add(subplot3, 1);

    // now make the top level JFreeChart
    chart = new JFreeChart("Demo Chart", JFreeChart.DEFAULT_TITLE_FONT, parent, true);

    // then customise it a little...
    final TextTitle subtitle = new TextTitle("This is a subtitle", new Font("SansSerif", Font.BOLD, 12));
    chart.addSubtitle(subtitle);
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
    return chart;

}

From source file:org.amanzi.splash.chart.Charts.java

/**
 * This method creates a chart.// ww w . j  a va  2  s  . c  o  m
 * 
 * @param dataset. dataset provides the data to be displayed in the chart. The parameter is
 *        provided by the 'createDataset()' method.
 * @return A chart.
 */
public static JFreeChart createBarChart(DefaultCategoryDataset dataset) {

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

    // 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();

    // 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);

    // 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));
    renderer.setSeriesPaint(0, gp0);

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

From source file:org.openmrs.module.vcttrac.web.view.chart.VCTCreateBarChartView.java

/**
 * Returns an array of paint objects that will be used for the bar colors.
 * //  w w w.  ja  v a  2 s . co  m
 * @return An array of paint objects.
 */
private static Paint[] createPaint() {
    Paint[] colors = new Paint[5];

    colors[0] = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));
    colors[1] = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64));
    colors[2] = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
    colors[3] = new GradientPaint(0f, 0f, Color.orange, 0.0f, 0.0f, new Color(250, 128, 114));
    colors[4] = new GradientPaint(0f, 0f, Color.yellow, 0.0f, 0.0f, new Color(255, 215, 0));
    return colors;
}

From source file:net.sourceforge.processdash.ui.web.CGIChartBase.java

/** Generate CGI chart output. */
@Override/*from w ww  .jav  a  2s  .  com*/
protected void writeContents() throws IOException {
    buildData(); // get the data for display

    chromeless = (parameters.get("chromeless") != null);
    JFreeChart chart = createChart();

    int width = getIntSetting("width");
    int height = getIntSetting("height");
    Color initGradColor = getColorSetting("initGradColor");
    Color finalGradColor = getColorSetting("finalGradColor");
    chart.setBackgroundPaint(new GradientPaint(0, 0, initGradColor, width, height, finalGradColor));
    if (parameters.get("hideOutline") != null)
        chart.getPlot().setOutlinePaint(INVISIBLE);

    String title = getSetting("title");
    if (chromeless || title == null || title.length() == 0)
        chart.setTitle((TextTitle) null);
    else {
        chart.setTitle(Translator.translate(title));
        String titleFontSize = getSetting("titleFontSize");
        if (titleFontSize != null)
            try {
                float fontSize = Float.parseFloat(titleFontSize);
                TextTitle t = chart.getTitle();
                t.setFont(t.getFont().deriveFont(fontSize));
            } catch (Exception tfe) {
            }
    }

    if (chromeless || parameters.get("hideLegend") != null)
        chart.removeLegend();
    else {
        LegendTitle l = chart.getLegend();
        String legendFontSize = getSetting("legendFontSize");
        if (l != null && legendFontSize != null)
            try {
                float fontSize = Float.parseFloat(legendFontSize);
                l.setItemFont(l.getItemFont().deriveFont(fontSize));
            } catch (Exception lfe) {
            }
    }

    chart.getPlot().setNoDataMessage(resources.getString("No_Data_Message"));

    Axis xAxis = getHorizontalAxis(chart);
    if (xAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideXTickLabels") != null) {
            xAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null
                || parameters.get("xTickLabelFontSize") != null) {
            String tfs = getParameter("xTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            xAxis.setTickLabelFont(xAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }

    Axis yAxis = getVerticalAxis(chart);
    if (yAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideYTickLabels") != null) {
            yAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null
                || parameters.get("yTickLabelFontSize") != null) {
            String tfs = getParameter("yTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            yAxis.setTickLabelFont(yAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }

    String axisFontSize = getSetting("axisLabelFontSize");
    if (axisFontSize != null)
        try {
            float fontSize = Float.parseFloat(axisFontSize);
            if (xAxis != null)
                xAxis.setLabelFont(xAxis.getLabelFont().deriveFont(fontSize));
            if (yAxis != null)
                yAxis.setLabelFont(yAxis.getLabelFont().deriveFont(fontSize));
        } catch (Exception afs) {
        }

    ChartRenderingInfo info = (isHtmlMode() ? new ChartRenderingInfo() : null);
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = img.createGraphics();
    if ("auto".equals(getSetting("titleFontSize")))
        maybeAdjustTitleFontSize(chart, g2, width);
    chart.draw(g2, new Rectangle2D.Double(0, 0, width, height), info);
    g2.dispose();

    String outputFormat = getSetting("outputFormat");
    OutputStream imgOut;
    if (isHtmlMode()) {
        imgOut = PngCache.getOutputStream();
    } else {
        imgOut = outStream;
    }
    ImageIO.write(img, outputFormat, imgOut);
    imgOut.flush();
    imgOut.close();
    if (isHtmlMode())
        writeImageHtml(width, height, imgOut.hashCode(), info);
}

From source file:j2se.jfreechart.barchart.BarChartDemo1.java

/**
 * Creates a sample chart.//  w  w  w .ja v  a  2 s . c om
 * 
 * @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 = chart.getCategoryPlot();
    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);

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

    return chart;

}