Examples of org.jfree.chart.plot.PiePlot

org.jfree.chart.plot.PiePlot
A plot that displays data in the form of a pie chart, using data from any class that implements the {@link PieDataset} interface.The example shown here is generated by the PieChartDemo2.java program included in the JFreeChart Demo Collection:

Special notes:
1. the default starting point is 12 o'clock and the pie sections proceed in a clockwise direction, but these settings can be changed;
2. negative values in the dataset are ignored;
3. there are utility methods for creating a {@link PieDataset} from a{@link org.jfree.data.category.CategoryDataset};
@see Plot @see PieDataset

        data = new DefaultPieDataset();
        final JFreeChart chart = ChartFactory.createPieChart("Employee Survey", data, false, false, false);
        chart.setTitle(new TextTitle());
        chart.setBackgroundPaint(null);
        chart.setPadding(new RectangleInsets(0, 0, 0, 0));
        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setShadowPaint(null);
        plot.setSimpleLabels(true);
        plot.setLabelBackgroundPaint(null);
        plot.setLabelOutlineStroke(null);
        plot.setLabelShadowPaint(null);
        plot.setOutlineVisible(false);
        plot.setLabelFont(new java.awt.Font("Tahoma", 0, 10));
        plot.setLabelPaint(Color.WHITE);
        plot.setLabelGap(0.5);
        plot.setCircular(true);
        plot.setInteriorGap(0);
        plot.setBackgroundPaint(null);
        plot.setBackgroundAlpha(1f);
        plot.setSectionPaint(NbBundle.getMessage(getClass(), "ContextPieChart.visible"), new Color(0x222222));
        plot.setSectionPaint(NbBundle.getMessage(getClass(), "ContextPieChart.notVisible"), new Color(0xDDDDDD));
        chartPanel = new ChartPanel(chart, 100, 100, 10, 10, 300, 300, true, false, false, false, false, false);
        ((FlowLayout) chartPanel.getLayout()).setHgap(0);
        ((FlowLayout) chartPanel.getLayout()).setVgap(0);
        chartPanel.setOpaque(false);
        chartPanel.setPopupMenu(null);

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            data.setValue(p.getDisplayName(), p.getPercentage());
        }
        final JFreeChart chart = ChartFactory.createPieChart("test", data, false, false, false);
        chart.setTitle(new TextTitle());
        chart.setBackgroundPaint(null);
        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setShadowPaint(null);
        //plot.setSimpleLabels(true);
        plot.setLabelBackgroundPaint(Color.WHITE);
        plot.setLabelOutlineStroke(null);
        plot.setLabelShadowPaint(null);
        plot.setOutlineVisible(false);
        plot.setLabelFont(new java.awt.Font("Tahoma", 0, 10));
        plot.setLabelPaint(Color.BLACK);
        //plot.setLabelGap(0.05);
        plot.setCircular(true);
        plot.setBackgroundPaint(null);
        plot.setBackgroundAlpha(1f);
        for (Part p : partition.getParts()) {
            plot.setSectionPaint(p.getDisplayName(), p.getColor());
        }
        chartPanel = new ChartPanel(chart, true);
        chartPanel.setOpaque(false);
        chartPanel.setPopupMenu(null);
        add(chartPanel, BorderLayout.CENTER);

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    final Plot plot = chart.getPlot();
    final MultiplePiePlot mpp = (MultiplePiePlot) plot;
    final JFreeChart pc = mpp.getPieChart();
    configureSubChart(pc);


    final PiePlot pp = (PiePlot) pc.getPlot();
    if (StringUtils.isEmpty(getTooltipFormula()) == false)
    {
      pp.setToolTipGenerator(new FormulaPieTooltipGenerator(getRuntime(), getTooltipFormula()));
    }
    if (StringUtils.isEmpty(getUrlFormula()) == false)
    {
      pp.setURLGenerator(new FormulaPieURLGenerator(getRuntime(), getUrlFormula()));
    }


    if (shadowPaint != null)
    {
      pp.setShadowPaint(shadowPaint);
    }
    if (shadowXOffset != null)
    {
      pp.setShadowXOffset(shadowXOffset.doubleValue());
    }
    if (shadowYOffset != null)
    {
      pp.setShadowYOffset(shadowYOffset.doubleValue());
    }


    final CategoryDataset c = mpp.getDataset();
    if (c != null)
    {
      final String[] colors = getSeriesColor();
      final int keysSize = c.getColumnKeys().size();
      for (int i = 0; i < colors.length; i++)
      {
        if (keysSize > i)
        {
          pp.setSectionPaint(c.getColumnKey(i), parseColorFromString(colors[i]));
        }
      }
    }


    if (StringUtils.isEmpty(getLabelFont()) == false)
    {
      pp.setLabelFont(Font.decode(getLabelFont()));
    }


    if (Boolean.FALSE.equals(getItemsLabelVisible()))
    {
      pp.setLabelGenerator(null);
    }
    else 
    {
      final ExpressionRuntime runtime = getRuntime();
      final Locale locale = runtime.getResourceBundleFactory().getLocale();


      final FastDecimalFormat fastPercent = new FastDecimalFormat(FastDecimalFormat.TYPE_PERCENT, locale);
      final FastDecimalFormat fastInteger = new FastDecimalFormat(FastDecimalFormat.TYPE_INTEGER, locale);


      final DecimalFormat numFormat = new DecimalFormat(fastInteger.getPattern(), new DecimalFormatSymbols(locale));
      numFormat.setRoundingMode(RoundingMode.HALF_UP);


      final DecimalFormat percentFormat = new DecimalFormat(fastPercent.getPattern(), new DecimalFormatSymbols(locale));
      percentFormat.setRoundingMode(RoundingMode.HALF_UP);


      final StandardPieSectionLabelGenerator labelGen = new StandardPieSectionLabelGenerator(multipieLabelFormat, numFormat, percentFormat);
      pp.setLabelGenerator(labelGen);
    }
  }

View Full Code Here

  protected void configureChart(final JFreeChart chart)
  {
    super.configureChart(chart);


    final Plot plot = chart.getPlot();
    final PiePlot pp = (PiePlot)plot;
    final PieDataset pieDS = pp.getDataset();
    pp.setDirection(rotationClockwise ? Rotation.CLOCKWISE : Rotation.ANTICLOCKWISE);
    if ((explodeSegment != null) && (explodePct != null))
    {
      configureExplode(pp);
    }
    if (StringUtils.isEmpty(getTooltipFormula()) == false)
    {
      pp.setToolTipGenerator(new FormulaPieTooltipGenerator(getRuntime(), getTooltipFormula()));
    }
    if (StringUtils.isEmpty(getUrlFormula()) == false)
    {
      pp.setURLGenerator(new FormulaPieURLGenerator(getRuntime(), getUrlFormula()));
    }


    pp.setIgnoreNullValues(ignoreNulls);
    pp.setIgnoreZeroValues(ignoreZeros);
    if (Boolean.FALSE.equals(getItemsLabelVisible()))
    {
      pp.setLabelGenerator(null);
    }
    else
    {
      final ExpressionRuntime runtime = getRuntime();
      final Locale locale = runtime.getResourceBundleFactory().getLocale();


      final FastDecimalFormat fastPercent = new FastDecimalFormat(FastDecimalFormat.TYPE_PERCENT, locale);
      final FastDecimalFormat fastInteger = new FastDecimalFormat(FastDecimalFormat.TYPE_INTEGER, locale);


      final DecimalFormat numFormat = new DecimalFormat(fastInteger.getPattern(), new DecimalFormatSymbols(locale));
      numFormat.setRoundingMode(RoundingMode.HALF_UP);


      final DecimalFormat percentFormat = new DecimalFormat(fastPercent.getPattern(), new DecimalFormatSymbols(locale));
      percentFormat.setRoundingMode(RoundingMode.HALF_UP);


      final StandardPieSectionLabelGenerator labelGen = new StandardPieSectionLabelGenerator(pieLabelFormat,
                                                                                             numFormat, percentFormat);
      pp.setLabelGenerator(labelGen);


      final StandardPieSectionLabelGenerator legendGen = new StandardPieSectionLabelGenerator(pieLegendLabelFormat,
                                                                                              numFormat, percentFormat);
      pp.setLegendLabelGenerator(legendGen);
    }


    if (StringUtils.isEmpty(getLabelFont()) == false)
    {
      pp.setLabelFont(Font.decode(getLabelFont()));
    }


    if (pieDS != null)
    {
      final String[] colors = getSeriesColor();
      for (int i = 0; i < colors.length; i++)
      {
        if (i < pieDS.getItemCount())
        {
          pp.setSectionPaint(pieDS.getKey(i), parseColorFromString(colors[i]));
        }
        else
        {
          break;
        }
      }
    }


    if (shadowPaint != null)
    {
      pp.setShadowPaint(shadowPaint);
    }
    if (shadowXOffset != null)
    {
      pp.setShadowXOffset(shadowXOffset.doubleValue());
    }
    if (shadowYOffset != null)
    {
      pp.setShadowYOffset(shadowYOffset.doubleValue());
    }
    pp.setCircular(circular);


    if (isShowBorder() == false || isChartSectionOutline() == false)
    {
      chart.setBorderVisible(false);
      chart.getPlot().setOutlineVisible(false);

View Full Code Here

     * @since 1.0.7
     */
    public static JFreeChart createPieChart(String title, PieDataset dataset,
            boolean legend, boolean tooltips, Locale locale) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

View Full Code Here

                                            PieDataset dataset,
                                            boolean legend,
                                            boolean tooltips,
                                            boolean urls) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

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    public static JFreeChart createPieChart(String title, PieDataset dataset,
            PieDataset previousDataset, int percentDiffForMaxScale,
            boolean greenForIncrease, boolean legend, boolean tooltips,
            Locale locale, boolean subTitle, boolean showDifference) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));


        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }


        List keys = dataset.getKeys();
        DefaultPieDataset series = null;
        if (showDifference) {
            series = new DefaultPieDataset();
        }


        double colorPerPercent = 255.0 / percentDiffForMaxScale;
        for (Iterator it = keys.iterator(); it.hasNext();) {
            Comparable key = (Comparable) it.next();
            Number newValue = dataset.getValue(key);
            Number oldValue = previousDataset.getValue(key);


            if (oldValue == null) {
                if (greenForIncrease) {
                    plot.setSectionPaint(key, Color.green);
                }
                else {
                    plot.setSectionPaint(key, Color.red);
                }
                if (showDifference) {
                    series.setValue(key + " (+100%)", newValue);
                }
            }
            else {
                double percentChange = (newValue.doubleValue()
                        / oldValue.doubleValue() - 1.0) * 100.0;
                double shade
                    = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
                if (greenForIncrease
                        && newValue.doubleValue() > oldValue.doubleValue()
                        || !greenForIncrease && newValue.doubleValue()
                        < oldValue.doubleValue()) {
                    plot.setSectionPaint(key, new Color(0, (int) shade, 0));
                }
                else {
                    plot.setSectionPaint(key, new Color((int) shade, 0, 0));
                }
                if (showDifference) {
                    series.setValue(key + " (" + (percentChange >= 0 ? "+" : "")
                            + NumberFormat.getPercentInstance().format(
                            percentChange / 100.0) + ")", newValue);
                }
            }
        }


        if (showDifference) {
            plot.setDataset(series);
        }


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

View Full Code Here

                                            boolean tooltips,
                                            boolean urls,
                                            boolean subTitle,
                                            boolean showDifference) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));


        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }


        List keys = dataset.getKeys();
        DefaultPieDataset series = null;
        if (showDifference) {
            series = new DefaultPieDataset();
        }


        double colorPerPercent = 255.0 / percentDiffForMaxScale;
        for (Iterator it = keys.iterator(); it.hasNext();) {
            Comparable key = (Comparable) it.next();
            Number newValue = dataset.getValue(key);
            Number oldValue = previousDataset.getValue(key);


            if (oldValue == null) {
                if (greenForIncrease) {
                    plot.setSectionPaint(key, Color.green);
                }
                else {
                    plot.setSectionPaint(key, Color.red);
                }
                if (showDifference) {
                    series.setValue(key + " (+100%)", newValue);
                }
            }
            else {
                double percentChange = (newValue.doubleValue()
                        / oldValue.doubleValue() - 1.0) * 100.0;
                double shade
                    = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
                if (greenForIncrease
                        && newValue.doubleValue() > oldValue.doubleValue()
                        || !greenForIncrease && newValue.doubleValue()
                        < oldValue.doubleValue()) {
                    plot.setSectionPaint(key, new Color(0, (int) shade, 0));
                }
                else {
                    plot.setSectionPaint(key, new Color((int) shade, 0, 0));
                }
                if (showDifference) {
                    series.setValue(key + " (" + (percentChange >= 0 ? "+" : "")
                            + NumberFormat.getPercentInstance().format(
                            percentChange / 100.0) + ")", newValue);
                }
            }
        }


        if (showDifference) {
            plot.setDataset(series);
        }


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

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        plot.setOutlineStroke(null);


        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);

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        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);

View Full Code Here

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