Example usage for org.jfree.chart JFreeChart removeLegend

Introduction

In this page you can find the example usage for org.jfree.chart JFreeChart removeLegend.

Prototype

public void removeLegend() 

Source Link

Document

Removes the first legend in the chart and sends a ChartChangeEvent to all registered listeners.

Usage

From source file:KIDLYFactory.java

/**
 * Creates a chart that displays multiple pie plots.  The chart object
 * returned by this method uses a {@link MultiplePiePlot} instance as the
 * plot.//  w w w  .  j a  v  a 2  s  .com
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset (<code>null</code> permitted).
 * @param order  the order that the data is extracted (by row or by column)
 *               (<code>null</code> not permitted).
 * @param legend  include a legend?
 * @param tooltips  generate tooltips?
 * @param urls  generate URLs?
 *
 * @return A chart.
 */
public static JFreeChart createMultiplePieChart3D(String title, CategoryDataset dataset, TableOrder order,
        boolean legend, boolean tooltips, boolean urls) {

    if (order == null) {
        throw new IllegalArgumentException("Null 'order' argument.");
    }
    MultiplePiePlot plot = new MultiplePiePlot(dataset);
    plot.setDataExtractOrder(order);
    plot.setBackgroundPaint(null);
    plot.setOutlineStroke(null);

    JFreeChart pieChart = new JFreeChart(new PiePlot3D(null));
    TextTitle seriesTitle = new TextTitle("Series Title", new Font("SansSerif", Font.BOLD, 12));
    seriesTitle.setPosition(RectangleEdge.BOTTOM);
    pieChart.setTitle(seriesTitle);
    pieChart.removeLegend();
    pieChart.setBackgroundPaint(null);
    plot.setPieChart(pieChart);

    if (tooltips) {
        PieToolTipGenerator tooltipGenerator = new StandardPieToolTipGenerator();
        PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
        pp.setToolTipGenerator(tooltipGenerator);
    }

    if (urls) {
        PieURLGenerator urlGenerator = new StandardPieURLGenerator();
        PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
        pp.setURLGenerator(urlGenerator);
    }

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

}

---

From source file:com.hello2morrow.sonargraph.jenkinsplugin.model.AbstractPlot.java

/**
 * Creates a chart for a Sonargraph metric 
 * @param categoryName Name for the X-Axis, representing a category
 * @return Chart built with the given parameters.
 */// w w  w  .  j a  v a 2s .  c o m
public final JFreeChart createXYChart(SonargraphMetrics metric, String categoryName,
        int maximumNumberOfDataPoints, boolean hideLegend) {
    XYDataset dataset = null;
    try {
        dataset = createXYDataset(metric, maximumNumberOfDataPoints);
    } catch (IOException ioe) {
        SonargraphLogger.INSTANCE.log(Level.SEVERE,
                "Failed to read metrics from data file '" + m_datasetProvider.getStorageName() + "'");
    }
    JFreeChart chart = createChartInternal(metric.getDescription(), categoryName, metric.getShortDescription(),
            dataset);
    XYPlot plot = (XYPlot) chart.getPlot();

    int dataPoints = 0;
    if (dataset == null) {
        plot.setNoDataMessage(
                "There was an error loading data for metric '" + metric.getShortDescription() + "'");
    } else {
        for (int i = 0; i < dataset.getSeriesCount(); i++) {
            dataPoints += dataset.getItemCount(i);
        }
        if (dataPoints == 0) {
            plot.setNoDataMessage("No data found for metric '" + metric.getShortDescription() + "'");
        }
    }
    if ((dataset == null) || (dataPoints == 0)) {
        plot.setNoDataMessagePaint(Color.RED);
        plot.setDomainGridlinesVisible(false);
        plot.setRangeGridlinesVisible(false);
    }
    applyRendering(plot);
    setRangeAxis(metric.isNaturalNumber(), plot);
    applyStandardPlotColors(plot);
    if (hideLegend) {
        chart.removeLegend();
    }
    return chart;
}

---

From source file:edu.ucla.stat.SOCR.chart.demo.CategoryStepChartDemo1.java

/**
 * Creates a chart./*from   w  ww. j  av  a2 s .c  o  m*/
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
protected JFreeChart createChart(CategoryDataset dataset) {

    CategoryItemRenderer renderer = new CategoryStepRenderer(true);

    CategoryAxis domainAxis = new CategoryAxis(domainLabel);
    NumberAxis rangeAxis = new NumberAxis(rangeLabel);
    CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer);
    JFreeChart chart = new JFreeChart(chartTitle, plot);

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    chart.setBackgroundPaint(Color.white);

    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);

    AbstractCategoryItemRenderer renderer2 = (AbstractCategoryItemRenderer) plot.getRenderer();
    renderer2.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator());

    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.addCategoryLabelToolTip("Type 1", "The first type.");
    domainAxis.addCategoryLabelToolTip("Type 2", "The second type.");
    domainAxis.addCategoryLabelToolTip("Type 3", "The third type.");

    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setLabelAngle(0 * Math.PI / 2.0);
    // OPTIONAL CUSTOMISATION COMPLETED.

    setCategorySummary(dataset);
    if (legendPanelOn)
        chart.removeLegend();
    return chart;

}

---

From source file:Applet.EmbeddedChart.java

/**
 * Creates a chart./* www.  jav  a2 s.  c o m*/
 * 
 * @param dataset
 *            the data for the chart.
 * 
 * @return a chart.
 */
private JFreeChart createChart(final XYDataset dataset, String title, boolean gofr) {

    // create the chart...
    final JFreeChart chart = ChartFactory.createXYLineChart(null, // chart
            // title
            "Radial Distance,  r/\u03c3", // x axis label
            title, // y axis label
            dataset, // data
            PlotOrientation.VERTICAL, true, // include legend
            true, // tooltips
            false // urls
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    chart.setBackgroundPaint(Color.white);
    chart.getLegend().setPosition(RectangleEdge.RIGHT);

    // final StandardLegend legend = (StandardLegend) chart.getLegend();
    // legend.setDisplaySeriesShapes(true);

    // get a reference to the plot for further customisation...
    final XYPlot plot = chart.getXYPlot();
    plot.setBackgroundPaint(Color.lightGray);
    // plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    XYTitleAnnotation xyta = new XYTitleAnnotation(0.98, 0.98, chart.getLegend(), RectangleAnchor.TOP_RIGHT);
    chart.removeLegend();
    plot.addAnnotation(xyta);

    final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);

    for (int i = 0; i < 2; i++) {
        renderer.setSeriesPaint(i * 6 + 0, new Color(255, 0, 0));
        renderer.setSeriesPaint(i * 6 + 1, new Color(0, 0, 255));
        renderer.setSeriesPaint(i * 6 + 2, new Color(0, 139, 0));
        renderer.setSeriesPaint(i * 6 + 3, new Color(255, 165, 0));
        renderer.setSeriesPaint(i * 6 + 4, new Color(255, 0, 255));
        renderer.setSeriesPaint(i * 6 + 5, new Color(0, 0, 0));

        renderer.setSeriesStroke(i * 6 + 0, new BasicStroke(1.3f, BasicStroke.CAP_SQUARE,
                BasicStroke.JOIN_MITER, 10.0f, new float[] { 10.0f }, 0.0f));
        renderer.setSeriesStroke(i * 6 + 1, new BasicStroke(1.3f, BasicStroke.CAP_SQUARE,
                BasicStroke.JOIN_MITER, 10.0f, new float[] { 50.0f, 2.0f }, 0.0f));
        renderer.setSeriesStroke(i * 6 + 2, new BasicStroke(1.3f, BasicStroke.JOIN_ROUND,
                BasicStroke.JOIN_MITER, 10.0f, new float[] { 30.0f, 1.0f, 1.0f }, 0.0f));
        renderer.setSeriesStroke(i * 6 + 3, new BasicStroke(1.3f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND,
                10.0f, new float[] { 1.0f, 3.0f }, 0.0f));
        renderer.setSeriesStroke(i * 6 + 4, new BasicStroke(1.3f, BasicStroke.CAP_SQUARE,
                BasicStroke.JOIN_MITER, 10.0f, new float[] { 1.0f, 2.0f, 3.0f, 4.0f }, 0.0f));
        renderer.setSeriesStroke(i * 6 + 5, new BasicStroke(1.3f, BasicStroke.CAP_SQUARE,
                BasicStroke.JOIN_MITER, 10.0f, new float[] { 5.0f, 1.0f, 20.0f, 1.0f }, 0.0f));
    }

    plot.setRenderer(renderer);

    return chart;

}

---

From source file:mekhq.gui.FinancesTab.java

private JFreeChart createAmountChart(XYDataset dataset) {
    JFreeChart chart = ChartFactory.createTimeSeriesChart("", // title
            resourceMap.getString("graphDate.text"), // x-axis label
            resourceMap.getString("graphCBills.text"), // y-axis label
            dataset);/*from   ww w.  j a  v  a 2 s .c  o m*/

    chart.setBackgroundPaint(Color.WHITE);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.LIGHT_GRAY);
    plot.setDomainGridlinePaint(Color.WHITE);
    plot.setRangeGridlinePaint(Color.WHITE);
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setDefaultShapesVisible(true);
        renderer.setDefaultShapesFilled(true);
        renderer.setDrawSeriesLineAsPath(true);
    }

    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));

    chart.removeLegend();

    return chart;
}

---

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

/** Generate CGI chart output. */
@Override//from  w ww. j a va 2 s.  c  o  m
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:net.sourceforge.processdash.ui.web.CGIChartBase.java

protected void setupCategoryChart(JFreeChart chart) {

    if (!(chart.getPlot() instanceof CategoryPlot))
        return;//  ww w.  j  a  v a2 s .c o  m
    CategoryPlot cp = chart.getCategoryPlot();

    CategoryAxis catAxis = cp.getDomainAxis();
    ValueAxis otherAxis = cp.getRangeAxis();

    if (!chromeless) {
        String catAxisLabel = data.getColName(0);
        if (catAxisLabel == null)
            catAxisLabel = Translator.translate("Project/Task");

        String otherAxisLabel = Translator.translate(getSetting("units"));
        if ((otherAxisLabel == null || otherAxisLabel.length() == 0) && data.numCols() == 1)
            otherAxisLabel = data.getColName(1);
        if (otherAxisLabel == null)
            otherAxisLabel = Translator.translate("Value");

        String catLabels = getParameter("categoryLabels");

        catAxis.setLabel(catAxisLabel);
        otherAxis.setLabel(otherAxisLabel);
        if ("vertical".equalsIgnoreCase(catLabels))
            catAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
        else if ("none".equalsIgnoreCase(catLabels))
            catAxis.setTickLabelsVisible(false);
    }

    if (data.numCols() == 1 && getParameter("noSkipLegend") == null) {
        chart.removeLegend();
        chart.getPlot().setInsets(new RectangleInsets(5, 2, 2, 5));
    }
}

---

From source file:ro.nextreports.engine.chart.JFreeChartExporter.java

private JFreeChart createAreaChart() throws QueryException {
    barDataset = new DefaultCategoryDataset();
    String chartTitle = replaceParameters(chart.getTitle().getTitle());
    chartTitle = StringUtil.getI18nString(chartTitle, I18nUtil.getLanguageByName(chart, language));
    Object[] charts = new Object[chart.getYColumns().size()];
    List<String> legends = chart.getYColumnsLegends();
    boolean hasLegend = false;
    for (int i = 0; i < charts.length; i++) {
        String legend = "";
        try {/* ww w  .  j  a va2  s. c om*/
            legend = replaceParameters(legends.get(i));
            legend = StringUtil.getI18nString(legend, I18nUtil.getLanguageByName(chart, language));
        } catch (IndexOutOfBoundsException ex) {
            // no legend set
        }
        // Important : must have default different legends used in barDataset.addValue
        if ((legend == null) || "".equals(legend.trim())) {
            legend = DEFAULT_LEGEND_PREFIX + String.valueOf(i + 1);
        } else {
            hasLegend = true;
        }
        charts[i] = legend;
    }

    String xLegend = StringUtil.getI18nString(replaceParameters(chart.getXLegend().getTitle()),
            I18nUtil.getLanguageByName(chart, language));
    String yLegend = StringUtil.getI18nString(replaceParameters(chart.getYLegend().getTitle()),
            I18nUtil.getLanguageByName(chart, language));
    byte style = chart.getType().getStyle();
    JFreeChart jfreechart = ChartFactory.createAreaChart("Area Chart", // chart title
            xLegend, // x-axis Label
            yLegend, // y-axis Label
            barDataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
    );

    // hide legend if necessary
    if (!hasLegend) {
        jfreechart.removeLegend();
    }

    // hide border
    jfreechart.setBorderVisible(false);

    // title
    setTitle(jfreechart);

    // chart colors & values shown on bars
    boolean showValues = (chart.getShowYValuesOnChart() == null) ? false : chart.getShowYValuesOnChart();
    CategoryPlot plot = (CategoryPlot) jfreechart.getPlot();
    plot.setForegroundAlpha(transparency);
    AreaRenderer renderer = (AreaRenderer) plot.getRenderer();
    DecimalFormat decimalformat;
    DecimalFormat percentageFormat;
    if (chart.getYTooltipPattern() == null) {
        decimalformat = new DecimalFormat("#");
        percentageFormat = new DecimalFormat("0.00%");
    } else {
        decimalformat = new DecimalFormat(chart.getYTooltipPattern());
        percentageFormat = decimalformat;
    }
    for (int i = 0; i < charts.length; i++) {
        renderer.setSeriesPaint(i, chart.getForegrounds().get(i));
        if (showValues) {
            renderer.setSeriesItemLabelsVisible(i, true);
            renderer.setSeriesItemLabelGenerator(i,
                    new StandardCategoryItemLabelGenerator("{2}", decimalformat, percentageFormat));
        }
    }

    if (showValues) {
        // increase a little bit the range axis to view all item label values over bars
        plot.getRangeAxis().setUpperMargin(0.2);
    }

    // grid axis visibility & colors 
    if ((chart.getXShowGrid() != null) && !chart.getXShowGrid()) {
        plot.setDomainGridlinesVisible(false);
    } else {
        if (chart.getXGridColor() != null) {
            plot.setDomainGridlinePaint(chart.getXGridColor());
        } else {
            plot.setDomainGridlinePaint(Color.BLACK);
        }
    }
    if ((chart.getYShowGrid() != null) && !chart.getYShowGrid()) {
        plot.setRangeGridlinesVisible(false);
    } else {
        if (chart.getYGridColor() != null) {
            plot.setRangeGridlinePaint(chart.getYGridColor());
        } else {
            plot.setRangeGridlinePaint(Color.BLACK);
        }
    }

    // chart background
    plot.setBackgroundPaint(chart.getBackground());

    // labels color
    plot.getDomainAxis().setTickLabelPaint(chart.getXColor());
    plot.getRangeAxis().setTickLabelPaint(chart.getYColor());

    // legend color
    plot.getDomainAxis().setLabelPaint(chart.getXLegend().getColor());
    plot.getRangeAxis().setLabelPaint(chart.getYLegend().getColor());

    // legend font
    plot.getDomainAxis().setLabelFont(chart.getXLegend().getFont());
    plot.getRangeAxis().setLabelFont(chart.getYLegend().getFont());

    // axis color
    plot.getDomainAxis().setAxisLinePaint(chart.getxAxisColor());
    plot.getRangeAxis().setAxisLinePaint(chart.getyAxisColor());

    // hide labels
    if ((chart.getXShowLabel() != null) && !chart.getXShowLabel()) {
        plot.getDomainAxis().setTickLabelsVisible(false);
        plot.getDomainAxis().setTickMarksVisible(false);
    }
    if ((chart.getYShowLabel() != null) && !chart.getYShowLabel()) {
        plot.getRangeAxis().setTickLabelsVisible(false);
        plot.getRangeAxis().setTickMarksVisible(false);
    }

    // label orientation
    CategoryAxis domainAxis = plot.getDomainAxis();
    if (chart.getXorientation() == Chart.VERTICAL) {
        domainAxis
                .setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2));
    } else if (chart.getXorientation() == Chart.DIAGONAL) {
        domainAxis
                .setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 4));
    } else if (chart.getXorientation() == Chart.HALF_DIAGONAL) {
        domainAxis
                .setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 8));
    }

    // labels fonts
    plot.getDomainAxis().setTickLabelFont(chart.getXLabelFont());
    plot.getRangeAxis().setTickLabelFont(chart.getYLabelFont());

    createChart(plot.getRangeAxis(), charts);

    return jfreechart;
}

---

From source file:com.peterbochs.instrument.InstrumentPanel.java

private static JFreeChart createChart(XYZDataset dataset) {
    NumberAxis xAxis = new NumberAxis("address (" + jBlockSizeComboBox.getSelectedItem() + ")");
    xAxis.setLowerMargin(0.0);/*  ww w  .  j  a  v  a 2s  .c om*/
    xAxis.setUpperMargin(0.0);
    xAxis.setAxisLinePaint(Color.cyan);
    xAxis.setTickMarkPaint(Color.cyan);
    // xAxis.setAutoTickUnitSelection(false);
    // xAxis.setTickUnit(new NumberTickUnit(1));
    // NumberFormat nf = NumberFormat.getPercentInstance();
    // xAxis.setNumberFormatOverride(nf);
    // xAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    NumberAxis yAxis = new NumberAxis("address (" + jBlockSizeComboBox.getSelectedItem() + " KB)");
    // yAxis.setAutoRangeIncludesZero(true);
    // yAxis.setInverted(false);
    yAxis.setLowerMargin(0.0);
    yAxis.setUpperMargin(0.0);
    yAxis.setAxisLinePaint(Color.pink);
    yAxis.setTickMarkPaint(Color.pink);
    // yAxis.setTickUnit(new NumberTickUnit(10));
    // yAxis.setTickLabelFont(new Font("Dialog", 0, 7));
    // yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    MyXYBlockRenderer renderer = new MyXYBlockRenderer();
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);

    // plot.setBackgroundPaint(Color.white);
    // plot.setDomainGridlineStroke(new BasicStroke(1));
    plot.setDomainGridlinePaint(Color.white);

    // plot.setRangeGridlineStroke(new BasicStroke(1));
    plot.setRangeGridlinePaint(Color.white);

    // JFreeChart chart = new JFreeChart("Memory read/write hot zone", new
    // Font("Serif", Font.PLAIN, 12), plot, true);
    JFreeChart chart = new JFreeChart("Memory read/write hot zone", plot);
    chart.removeLegend();
    chart.setBackgroundPaint(Color.white);

    return chart;
}

---

From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.JFreeChartPlotEngine.java

/**
 * @param chart/*from  w  w  w .j a  va 2 s  .  c o m*/
 */
private void formatLegend(JFreeChart chart) {
    List<LegendTitle> legendTitles = createLegendTitles();

    while (chart.getLegend() != null) {
        chart.removeLegend();
    }
    for (LegendTitle legendTitle : legendTitles) {
        chart.addLegend(legendTitle);
    }

    // set legend font
    Font legendFont = plotInstance.getCurrentPlotConfigurationClone().getLegendConfiguration().getLegendFont();
    if (legendFont != null) {
        for (LegendTitle legendTitle : legendTitles) {
            legendTitle.setItemFont(legendFont);
        }
    }
}

---

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