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

        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

    /**
     * Check that the equals() method can distinguish all fields.
     */
    public void testEquals() {
        JFreeChart chart1 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
        JFreeChart chart2 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
        assertTrue(chart1.equals(chart2));
        assertTrue(chart2.equals(chart1));


        // renderingHints
        chart1.setRenderingHints(new RenderingHints(
                RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
        assertFalse(chart1.equals(chart2));
        chart2.setRenderingHints(new RenderingHints(
                RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
        assertTrue(chart1.equals(chart2));


        // borderVisible
        chart1.setBorderVisible(true);
        assertFalse(chart1.equals(chart2));
        chart2.setBorderVisible(true);
        assertTrue(chart1.equals(chart2));


        // borderStroke
        BasicStroke s = new BasicStroke(2.0f);
        chart1.setBorderStroke(s);
        assertFalse(chart1.equals(chart2));
        chart2.setBorderStroke(s);
        assertTrue(chart1.equals(chart2));


        // borderPaint
        chart1.setBorderPaint(Color.red);
        assertFalse(chart1.equals(chart2));
        chart2.setBorderPaint(Color.red);
        assertTrue(chart1.equals(chart2));


        // padding
        chart1.setPadding(new RectangleInsets(1, 2, 3, 4));
        assertFalse(chart1.equals(chart2));
        chart2.setPadding(new RectangleInsets(1, 2, 3, 4));
        assertTrue(chart1.equals(chart2));


        // title
        chart1.setTitle("XYZ");
        assertFalse(chart1.equals(chart2));
        chart2.setTitle("XYZ");
        assertTrue(chart1.equals(chart2));


        // subtitles
        chart1.addSubtitle(new TextTitle("Subtitle"));
        assertFalse(chart1.equals(chart2));
        chart2.addSubtitle(new TextTitle("Subtitle"));
        assertTrue(chart1.equals(chart2));


        // plot
        chart1 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new RingPlot(), false);
        chart2 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), false);
        assertFalse(chart1.equals(chart2));
        chart2 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new RingPlot(), false);
        assertTrue(chart1.equals(chart2));

View Full Code Here

     * A test to make sure that the legend is being picked up in the
     * equals() testing.
     */
    public void testEquals2() {
        JFreeChart chart1 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
        JFreeChart chart2 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), false);
        assertFalse(chart1.equals(chart2));
        assertFalse(chart2.equals(chart1));
    }

View Full Code Here

            true,               // include legend
            true,
            false
        );


        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setSectionOutlinesVisible(false);
        plot.setLabelFont(new Font("SansSerif", Font.PLAIN, 12));
        plot.setNoDataMessage("No data available");
        plot.setCircular(false);
        plot.setLabelGap(0.02);
        return chart;
        
    }

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

     * @return A pie chart.
     */
    public static JFreeChart createPieChart(String title, 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;

View Full Code Here

    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

    public static JFreeChart createPieChart(String title, PieDataset dataset,
            PieDataset previousDataset, int percentDiffForMaxScale,
            boolean greenForIncrease, boolean legend, 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);

View Full Code Here

        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);

View Full Code Here

        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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