Package org.jfree.data.general

Examples of org.jfree.data.general.DefaultValueDataset

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    /**
     * Default constructor.
     */
    public CompassPlot() {
        this(new DefaultValueDataset());
    }
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    /**
     * Confirm that cloning works.
     */
    @Test
    public void testCloning() throws CloneNotSupportedException {
        CompassPlot p1 = new CompassPlot(new DefaultValueDataset(15.0));
        CompassPlot p2 = (CompassPlot) p1.clone();
        assertNotSame(p1, p2);
        assertSame(p1.getClass(), p2.getClass());
        assertEquals(p1, p2);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    @Test
    public void testSerialization2() throws IOException, ClassNotFoundException {
        MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));

            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
            out.close();
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     * Draws the chart with a single range.  At one point, this caused a null
     * pointer exception (fixed now).
     */
    @Test
    public void testDrawWithNullInfo() {
        MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
        plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
        JFreeChart chart = new JFreeChart(plot);
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization2() {
        MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
        MeterPlot p2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
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     * Draws the chart with a single range.  At one point, this caused a null
     * pointer exception (fixed now).
     */
    public void testDrawWithNullInfo() {
        boolean success = false;
        MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
        plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
        JFreeChart chart = new JFreeChart(plot);
        try {
            BufferedImage image = new BufferedImage(
                200, 100, BufferedImage.TYPE_INT_RGB
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CompassPlot p1 = new CompassPlot(new DefaultValueDataset(15.0));
        CompassPlot p2 = null;
        try {
            p2 = (CompassPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {
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    /**
     * Creates a new thermometer plot.
     */
    public ThermometerPlot() {
        this(new DefaultValueDataset());
    }
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    /**
     * Default constructor.
     */
    public CompassPlot() {
        this(new DefaultValueDataset());
    }
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     * Default constructor.
     */
    public JThermometer() {
        super(new CardLayout());
        this.plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
        this.data = new DefaultValueDataset();
        //data.setRange(new Double(-60000), new Double(60000));
        this.plot.setDataset(this.data);
        this.chart = new JFreeChart(
            null, JFreeChart.DEFAULT_TITLE_FONT, this.plot, false
        );
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