Examples of org.jfree.chart.renderer.category.StatisticalBarRenderer

Package org.jfree.chart.renderer.category

Examples of org.jfree.chart.renderer.category.StatisticalBarRenderer

org.jfree.chart.renderer.category.StatisticalBarRenderer
A renderer that handles the drawing a bar plot where each bar has a mean value and a standard deviation line. The example shown here is generated by the StatisticalBarChartDemo1.java program included in the JFreeChart Demo Collection:

    public JFreeChart createChartImpl(String title, String xAxisTitle, String yAxisTitle, final Dataset dataset,
            PlotOrientation plotOrientation, boolean showLegend, boolean showToolTips, boolean showUrls)
    {
        CategoryAxis xAxis = new CategoryAxis(xAxisTitle);
        ValueAxis yAxis = new NumberAxis(yAxisTitle);
        CategoryItemRenderer renderer = new StatisticalBarRenderer();


        CategoryPlot plot = new CategoryPlot((StatisticalCategoryDataset) dataset, xAxis, yAxis, renderer);


        JFreeChart chart = new JFreeChart(title, new Font("Arial", Font.PLAIN, 10), plot, true);
        return chart;

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            lr3d.setWallPaint(this.wallPaint);
        }


        //  StatisticalBarRenderer
        if (renderer instanceof StatisticalBarRenderer) {
            StatisticalBarRenderer sbr = (StatisticalBarRenderer) renderer;
            sbr.setErrorIndicatorPaint(this.errorIndicatorPaint);
        }


        // MinMaxCategoryRenderer
        if (renderer instanceof MinMaxCategoryRenderer) {
            MinMaxCategoryRenderer mmcr = (MinMaxCategoryRenderer) renderer;

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    public JFreeChart createChartImpl(String title, String xAxisTitle, String yAxisTitle, final Dataset dataset,
            PlotOrientation plotOrientation, boolean showLegend, boolean showToolTips, boolean showUrls)
    {
        CategoryAxis xAxis = new CategoryAxis(xAxisTitle);
        ValueAxis yAxis = new NumberAxis(yAxisTitle);
        CategoryItemRenderer renderer = new StatisticalBarRenderer();


        CategoryPlot plot = new CategoryPlot((StatisticalCategoryDataset) dataset, xAxis, yAxis, renderer);


        JFreeChart chart = new JFreeChart(title, new Font("Arial", Font.PLAIN, 10), plot, true);

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            lr3d.setWallPaint(this.wallPaint);
        }


        //  StatisticalBarRenderer
        if (renderer instanceof StatisticalBarRenderer) {
            StatisticalBarRenderer sbr = (StatisticalBarRenderer) renderer;
            sbr.setErrorIndicatorPaint(this.errorIndicatorPaint);
        }


        // MinMaxCategoryRenderer
        if (renderer instanceof MinMaxCategoryRenderer) {
            MinMaxCategoryRenderer mmcr = (MinMaxCategoryRenderer) renderer;

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    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        StatisticalBarRenderer r1 = new StatisticalBarRenderer();
        StatisticalBarRenderer r2 = new StatisticalBarRenderer();
        assertEquals(r1, r2);


        r1.setErrorIndicatorPaint(Color.red);
        assertFalse(r1.equals(r2));
        r2.setErrorIndicatorPaint(Color.red);
        assertTrue(r2.equals(r1));


        r1.setErrorIndicatorStroke(new BasicStroke(1.5f));
        assertFalse(r1.equals(r2));
        r2.setErrorIndicatorStroke(new BasicStroke(1.5f));
        assertTrue(r2.equals(r1));
    }

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        StatisticalBarRenderer r1 = new StatisticalBarRenderer();
        StatisticalBarRenderer r2 = new StatisticalBarRenderer();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        StatisticalBarRenderer r1 = new StatisticalBarRenderer();
        StatisticalBarRenderer r2 = null;
        try {
            r2 = (StatisticalBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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    /**
     * Check that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        StatisticalBarRenderer r1 = new StatisticalBarRenderer();
        assertTrue(r1 instanceof PublicCloneable);
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        StatisticalBarRenderer r1 = new StatisticalBarRenderer();
        StatisticalBarRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

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                    = new DefaultStatisticalCategoryDataset();
            dataset.add(1.0, 2.0, "S1", "C1");
            dataset.add(3.0, 4.0, "S1", "C2");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new StatisticalBarRenderer());
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    null);
            success = true;
        }

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