Java NumberAxis.setStandardTickUnits方法代码示例

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
/**
     * Creates a sample chart.
     *
     * @param dataset  the dataset.
     *
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset) {
        JFreeChart chart = ChartFactory.createBarChart(
            "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
                "Milliseconds" /* y-axis label */, dataset, PlotOrientation.HORIZONTAL,false,false,false);
        chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
                + "format (lower bars = better performance)"));
        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();

        // ******************************************************************
        //  More than 150 demo applications are included with the JFreeChart
        //  Developer Guide...for more information, see:
        //
        //  >   http://www.object-refinery.com/jfreechart/guide.html
        //
        // ******************************************************************

        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setDrawBarOutline(false);
//        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的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.axis.NumberAxis; //导入方法依赖的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.axis.NumberAxis; //导入方法依赖的package包/类
/**
 * Creates a new thermometer plot, using default attributes where necessary.
 *
 * @param dataset  the data set.
 */
public ThermometerPlot(ValueDataset dataset) {

  super();

  this.padding = new Spacer(Spacer.RELATIVE, 0.05, 0.05, 0.05, 0.05);
  this.dataset = dataset;
  if (dataset != null) {
    dataset.addChangeListener(this);
  }
  NumberAxis axis = new NumberAxis(null);
  axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
  axis.setAxisLineVisible(false);

  setRangeAxis(axis);
  setAxisRange();
}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return A sample chart.
 */
private static JFreeChart createChart(VectorXYDataset dataset) {
    NumberAxis xAxis = new NumberAxis("X");
    xAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    xAxis.setLowerMargin(0.01);
    xAxis.setUpperMargin(0.01);
    xAxis.setAutoRangeIncludesZero(false);
    
    NumberAxis yAxis = new NumberAxis("Y");
    yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    yAxis.setLowerMargin(0.01);
    yAxis.setUpperMargin(0.01);
    yAxis.setAutoRangeIncludesZero(false);
    VectorRenderer renderer = new VectorRenderer();
    renderer.setSeriesPaint(0, Color.blue);
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5, 5, 5, 5));
    plot.setOutlinePaint(Color.black);
    JFreeChart chart = new JFreeChart("Vector Plot Demo 1", plot);
    chart.setBackgroundPaint(Color.white);
    return chart;
}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
protected JFreeChart createChart(XYDataset dataset) {
    // create the chart...
    final JFreeChart chart = ChartFactory.createXYLineChart("Quantidade de pixels", "Pixel", "Quantidade", dataset,
            PlotOrientation.VERTICAL, true, // include legend
            true, // tooltips
            false // urls
    );

    chart.setBackgroundPaint(java.awt.Color.white);

    // 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(java.awt.Color.lightGray);
    // plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
    plot.setDomainGridlinePaint(java.awt.Color.white);
    plot.setRangeGridlinePaint(java.awt.Color.white);

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

    return chart;
}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
public static void createHourlyBreakageDistributionChart(final SortedMap stats, final String categoryLabel, final OutputStream out) throws IOException {

    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
      final Map.Entry entry = (Map.Entry) iter.next();
      final Integer hour = (Integer) entry.getKey();
      final BuildStatistics bst = (BuildStatistics) entry.getValue();
      dataset.addValue(new Integer(bst.getFailedBuilds()), "Failed builds", hour);
    }

    // create the chart object

    // This generates a stacked bar - more suitable
    final JFreeChart chart = ChartFactory.createStackedBarChart(null,
            categoryLabel, "Builds", dataset,
            PlotOrientation.VERTICAL,
            true, false, false);
    chart.setBackgroundPaint(Color.white);

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

    // set bar colors
    final BarRenderer bar = (BarRenderer) plot.getRenderer();
    bar.setItemMargin(0); // reduce the width between the bars.
    bar.setSeriesPaint(0, Color.RED); // first bar

    // write to reposnce
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
  }
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
/**
 * Creates a chart.
 *
 * @param dataset
 *            the data for the chart.
 *
 * @return a chart.
 */
private JFreeChart createChartXY(final XYDataset dataset) {

	// create the chart...
	final JFreeChart chart = ChartFactory.createXYLineChart("Line Chart Demo 6", // chart
																					// title
			"X", // x axis label
			"Y", // 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);

	// 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);

	final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
	renderer.setSeriesLinesVisible(0, false);
	renderer.setSeriesShapesVisible(1, false);
	plot.setRenderer(renderer);

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

	return chart;

}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的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.axis.NumberAxis; //导入方法依赖的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.axis.NumberAxis; //导入方法依赖的package包/类
public static void createDayOfWeekBreakageDistributionChart(final SortedMap stats, final String categoryLabel, final OutputStream out) throws IOException {


    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
      final Map.Entry entry = (Map.Entry) iter.next();
      final Integer dayOfWeek = (Integer) entry.getKey();
      final BuildStatistics bst = (BuildStatistics) entry.getValue();
      dataset.addValue(new Integer(bst.getFailedBuilds()), "Failed builds", new ComparableDayOfWeek(dayOfWeek));
    }

    // create the chart object

    // This generates a stacked bar - more suitable
    final JFreeChart chart = ChartFactory.createStackedBarChart(null,
            categoryLabel, "Builds", dataset,
            PlotOrientation.VERTICAL,
            true, false, false);
    chart.setBackgroundPaint(Color.white);

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

    // set bar colors
    final BarRenderer bar = (BarRenderer) plot.getRenderer();
    bar.setItemMargin(0); // reduce the width between the bars.
    bar.setSeriesPaint(0, Color.RED); // first bar

    // write to reposnce
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
  }
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
/**
 * Creates a chart for recent time to fix.
 *
 */
public void createChart(final SortedMap time, final String valueKey, final Color lineColor, final OutputStream out) throws IOException {

  final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
  addTimeToDataSet(dataset, time, valueKey);

  // create the chart object

  // This generates a stacked bar - more suitable

  final JFreeChart chart = ChartFactory.createLineChart(null,
    "Recent builds", "Time", dataset,
    PlotOrientation.VERTICAL,
    true, false, false);
  chart.setBackgroundPaint(Color.white);

  // change the auto tick unit selection to integer units only

  final CategoryPlot plot = chart.getCategoryPlot();
  final NumberAxis rangeAxis = (NumberAxis)plot.getRangeAxis();
  rangeAxis.setStandardTickUnits(StatisticsUtils.createWordedTimeTickUnits());

  // rotate X dates

  final CategoryAxis domainAxis = plot.getDomainAxis();
  domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

  // set bar colors

  final LineAndShapeRenderer line = (LineAndShapeRenderer)plot.getRenderer();
  line.setSeriesPaint(0, lineColor);
  line.setStroke(StatisticsUtils.DEFAULT_LINE_STROKE);

  // write to reposnce

  final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
  ChartUtilities.writeChartAsPNG(out, chart, StatisticsUtils.IMG_WIDTH, StatisticsUtils.IMG_HEIGHT, info);
}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
public static void createRecentBuildTimesChart(final SortedMap stats, final String categoryLabel, final OutputStream out) throws IOException {

    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
      final Map.Entry entry = (Map.Entry) iter.next();
      final Integer buildNumber = (Integer) entry.getKey();
      final Integer timeInSeconds = (Integer) entry.getValue();
      dataset.addValue(timeInSeconds, "Build time", buildNumber);
    }

    // create the chart object

    // This generates a stacked bar - more suitable
    final JFreeChart chart = ChartFactory.createLineChart(null,
            categoryLabel, "Build time", dataset,
            PlotOrientation.VERTICAL,
            true, false, false);
    chart.setBackgroundPaint(Color.white);

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

    // rotate X dates
    final CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

    // set bar colors

    final LineAndShapeRenderer line = (LineAndShapeRenderer) plot.getRenderer();
    line.setSeriesPaint(0, Color.BLUE);
    line.setStroke(DEFAULT_LINE_STROKE);

    // write to reposnce
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
  }
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
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;
	}
}
 

import org.jfree.chart.axis.NumberAxis; //导入方法依赖的package包/类
/**
 * Creates a distribution image for build results.
 *
 * @param stats         SortedMap with dates as keys and
 *                      BuildStatistics as value.
 * @param categoryLabel - label to place on X axis.
 * @param out           OutputStream to write image to.
 */
public static void createChangeListsBarChart(final SortedMap stats, final String categoryLabel,
                                             final String dateFormat, final OutputStream out) throws IOException {

  final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
  for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
    final Map.Entry entry = (Map.Entry) iter.next();
    final Date date = (Date) entry.getKey();
    final BuildStatistics bst = (BuildStatistics) entry.getValue();
    final String dateAsString = StringUtils.formatDate(date, dateFormat);
    dataset.addValue(new Integer(bst.getChangeLists()), "Change lists", dateAsString);
  }

  // create the chart object

  // This generates a stacked bar - more suitable
  final JFreeChart chart = ChartFactory.createStackedBarChart(null,
          categoryLabel, "Change lists", dataset,
          PlotOrientation.VERTICAL,
          true, false, false);
  chart.setBackgroundPaint(Color.white);

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

  // rotate X dates
  final CategoryAxis domainAxis = plot.getDomainAxis();
  domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

  // set bar colors

  final BarRenderer bar = (BarRenderer) plot.getRenderer();
  bar.setItemMargin(0); // reduce the width between the bars.
  bar.setSeriesPaint(0, Color.BLUE); // first bar
  //bar.setSeriesPaint(1, Color.GREEN); // second bar

  // write to reposnce
  final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
  ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
}