Examples of org.jfree.chart.renderer.xy.XYBubbleRenderer

org.jfree.chart.renderer.xy.XYBubbleRenderer
A renderer that draws a circle at each data point with a diameter that is determined by the z-value in the dataset (the renderer requires the dataset to be an instance of {@link XYZDataset}. The example shown here is generated by the XYBubbleChartDemo1.java program included in the JFreeChart demo collection:

        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setAutoRangeIncludesZero(false);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);


        XYItemRenderer renderer = new XYBubbleRenderer(
                XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
        if (tooltips) {
            renderer.setBaseToolTipGenerator(new StandardXYZToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYZURLGenerator());
        }
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);


        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,

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  private static JFreeChart createChart(XYZDataset xyzdataset) {
    JFreeChart jfreechart = ChartFactory.createBubbleChart(
        "Bubble Chart Demo 2", "X", "Y", xyzdataset,
        PlotOrientation.VERTICAL, true, true, false);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    xyplot.setRenderer(new XYBubbleRenderer(0));
    xyplot.setForegroundAlpha(0.65F);
    xyplot.setDomainPannable(true);
    xyplot.setRangePannable(true);
    XYItemRenderer xyitemrenderer = xyplot.getRenderer();
    xyitemrenderer.setSeriesPaint(0, Color.blue);

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        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setAutoRangeIncludesZero(false);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);


        XYItemRenderer renderer = new XYBubbleRenderer(
                XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
        if (tooltips) {
            renderer.setBaseToolTipGenerator(new StandardXYZToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYZURLGenerator());
        }
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);


        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,

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        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setAutoRangeIncludesZero(false);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);


        XYItemRenderer renderer = new XYBubbleRenderer(XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
        if (tooltips) {
            renderer.setToolTipGenerator(new StandardXYZToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYZURLGenerator());
        }
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);


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

View Full Code Here


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

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    /**
     * Two objects that are equal are required to return the same hashCode. 
     */
    public void testHashcode() {
        XYBubbleRenderer r1 = new XYBubbleRenderer();
        XYBubbleRenderer r2 = new XYBubbleRenderer();
        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() {
        XYBubbleRenderer r1 = new XYBubbleRenderer();
        XYBubbleRenderer r2 = null;
        try {
            r2 = (XYBubbleRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("XYBubbleRendererTests.testCloning: failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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


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


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

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        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setAutoRangeIncludesZero(false);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);


        XYItemRenderer renderer = new XYBubbleRenderer(
                XYBubbleRenderer.SCALE_ON_RANGE_AXIS);
        if (tooltips) {
            renderer.setBaseToolTipGenerator(new StandardXYZToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYZURLGenerator());
        }
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);


        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,

View Full Code Here


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

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