Package org.jfree.chart.renderer.xy

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

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  private NamedComponent createContourChart(String prefix,
      WWZ3DPlotModel model, double minDomain, double maxDomain,
      double minRange, double maxRange, double minZ, double maxZ) {

    XYBlockRenderer renderer = new XYBlockRenderer();
    renderer.setBlockWidth(10);
    // renderer.setBlockHeight(100);

    double increments = (maxZ - minZ) / 6;
    if (minZ == maxZ)
      maxZ++; // make sure the scale is valid
    LookupPaintScale scale = new LookupPaintScale(minZ, maxZ, Color.white);
    // PaintScale scale = new GrayPaintScale(minZ, maxZ);
    scale.add(minZ, Color.MAGENTA);
    scale.add(minZ + increments, Color.BLUE);
    scale.add(minZ + increments * 2, Color.GREEN);
    scale.add(minZ + increments * 3, Color.YELLOW);
    scale.add(minZ + increments * 4, Color.ORANGE);
    scale.add(minZ + increments * 5, Color.RED);
    renderer.setPaintScale(scale);

    NumberAxis xAxis = new NumberAxis(model.getDomainType().toString());
    xAxis.setLowerBound(minDomain);
    xAxis.setUpperBound(maxDomain);
    NumberAxis yAxis = new NumberAxis(model.getRangeType().toString());
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      xAxis.setUpperMargin(0.0D);
      NumberAxis yAxis = new NumberAxis("Y");
      //yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
      yAxis.setLowerMargin(0.0D);
      yAxis.setUpperMargin(0.0D);
      XYBlockRenderer renderer = new XYBlockRenderer();
      PaintScale scale = new GrayPaintScale(-2D, 1.0D);
      renderer.setPaintScale(scale);
      XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
      plot.setBackgroundPaint(Color.lightGray);
      plot.setDomainGridlinesVisible(false);
      plot.setRangeGridlinePaint(Color.white);
      JFreeChart chart = new JFreeChart("XYBlockChartDemo1", plot);
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      xAxis.setLowerMargin(0.0D);
      xAxis.setUpperMargin(0.0D);
      NumberAxis yAxis = new NumberAxis(yAxisLabel);
      yAxis.setLowerMargin(0.0D);
      yAxis.setUpperMargin(0.0D);
      XYBlockRenderer renderer = new XYBlockRenderer();

      renderer.setPaintScale(new GrayPaintScale(minZValue, maxZValue));
      XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
      plot.setBackgroundPaint(Color.lightGray);
      plot.setDomainGridlinesVisible(false);
      plot.setRangeGridlinePaint(Color.white);
      JFreeChart chart = new JFreeChart(title, plot);
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     * Test that the equals() method distinguishes all fields.
     */
    public void testEquals() {

        // default instances
        XYBlockRenderer r1 = new XYBlockRenderer();
        XYBlockRenderer r2 = new XYBlockRenderer();
        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));

        // blockHeight
        r1.setBlockHeight(2.0);
        assertFalse(r1.equals(r2));
        r2.setBlockHeight(2.0);
        assertTrue(r1.equals(r2));

        // blockWidth
        r1.setBlockWidth(2.0);
        assertFalse(r1.equals(r2));
        r2.setBlockWidth(2.0);
        assertTrue(r1.equals(r2));

        // paintScale
        r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertFalse(r1.equals(r2));
        r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertTrue(r1.equals(r2));

    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        XYBlockRenderer r1 = new XYBlockRenderer();
        XYBlockRenderer r2 = new XYBlockRenderer();
        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() {
        XYBlockRenderer r1 = new XYBlockRenderer();
        LookupPaintScale scale1 = new LookupPaintScale();
        r1.setPaintScale(scale1);
        XYBlockRenderer r2 = null;
        try {
            r2 = (XYBlockRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        // check independence
        scale1.add(0.5, Color.red);
        assertFalse(r1.equals(r2));
        LookupPaintScale scale2 = (LookupPaintScale) r2.getPaintScale();
        scale2.add(0.5, Color.red);
        assertTrue(r1.equals(r2));
    }
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        XYBlockRenderer r1 = new XYBlockRenderer();
        assertTrue(r1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        XYBlockRenderer r1 = new XYBlockRenderer();
        XYBlockRenderer r2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();
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    /**
     * A simple test for bug 1766646.
     */
    public void testBug1766646A() {
        XYBlockRenderer r = new XYBlockRenderer();
        Range range = r.findDomainBounds(null);
        assertTrue(range == null);
        DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
        range = r.findDomainBounds(emptyDataset);
        assertTrue(range == null);
    }
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    /**
     * A simple test for bug 1766646.
     */
    public void testBug1766646B() {
        XYBlockRenderer r = new XYBlockRenderer();
        Range range = r.findRangeBounds(null);
        assertTrue(range == null);
        DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
        range = r.findRangeBounds(emptyDataset);
        assertTrue(range == null);
    }
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