Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultTableXYDataset

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    return xyData;
  }

  public static JFreeChart createChartFourier(Matrix matrix, String titlePart1, String titlePart2)
  {
    DefaultTableXYDataset dataset = calculateChartDatasetFourierraum(matrix);   
    JFreeChart chart = ChartFactory.createXYLineChart(
        titlePart1 + ", frequency domain, " + titlePart2, // title
        "frequency f (normalized)", // x-axis label
        "F~", // y-axis label
        dataset, // data
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    double translate = (stuetzstellen-1) / 2d;
   
    int stepspertab = 10;
    int stepsToOneSide = stuetzstellen * stepspertab;
    DefaultTableXYDataset xyData = new DefaultTableXYDataset();
   
    for (int basisVector = 0; basisVector < matrix.getRowDimension(); basisVector++) {
 
      XYSeries xySeries = new XYSeries("Func " + basisVector, true, false);
 
      for (int i = -stepsToOneSide; i < stepsToOneSide; i++) {
        double time2 = i / (double)stepspertab;
        double time = time2 * StrictMath.PI;
 
        double sum = 0;
        for (int carrier = 0; carrier < stuetzstellen; carrier++) {
          double ck = matrix.get(basisVector, carrier);
          double timesinc = time + (-carrier + translate) * StrictMath.PI;
          double sinc = sinc(timesinc);
          double value = ck * sinc;
          sum += value;
        }
        xySeries.add(time2, sum);
      }
      xyData.addSeries(xySeries);
    }
    return xyData;
  }
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     * no exceptions are thrown.
     */
    public void testDrawWithNullInfo() {
        boolean success = false;
        try {
            DefaultTableXYDataset dataset = new DefaultTableXYDataset();
       
            XYSeries s1 = new XYSeries("Series 1", true, false);
            s1.add(5.0, 5.0);
            s1.add(10.0, 15.5);
            s1.add(15.0, 9.5);
            s1.add(20.0, 7.5);
            dataset.addSeries(s1);
       
            XYSeries s2 = new XYSeries("Series 2", true, false);
            s2.add(5.0, 5.0);
            s2.add(10.0, 15.5);
            s2.add(15.0, 9.5);
            s2.add(20.0, 3.5);
            dataset.addSeries(s2);
            XYPlot plot = new XYPlot(dataset,
                    new NumberAxis("X"), new NumberAxis("Y"),
                    new XYLineAndShapeRenderer());
            plot.addAnnotation(new XYTitleAnnotation(5.0, 6.0,
                    new TextTitle("Hello World!")));
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        DefaultTableXYDataset d2 = new DefaultTableXYDataset();
        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        d1.addSeries(createSeries1());
        assertFalse(d1.equals(d2));

        d2.addSeries(createSeries1());
        assertTrue(d1.equals(d2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        d1.addSeries(createSeries1());
        DefaultTableXYDataset d2 = null;
        try {
            d2 = (DefaultTableXYDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));
    }
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        assertTrue(d1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        d1.addSeries(createSeries2());
        DefaultTableXYDataset d2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(d1);
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    public void testTableXYDataset() {

        XYSeries series1 = createSeries1();
        XYSeries series2 = createSeries2();

        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(series1);
        dataset.addSeries(series2);

        //  Test that there are 6 X points and some specific values
        assertEquals(6, dataset.getItemCount());
        assertEquals(6, dataset.getX(0, 5).intValue());
        assertEquals(null, dataset.getY(0, 5));
        assertEquals(6, dataset.getX(1, 5).intValue());
        assertEquals(2, dataset.getY(1, 5).intValue());

        // after adding a point to a series, check that there are now 7
        // items in each series
        series2.add(7, 2);
        assertEquals(7, dataset.getItemCount());
        assertEquals(null, dataset.getY(0, 6));
        assertEquals(2, dataset.getY(1, 6).intValue());

        //  Remove series 1
        dataset.removeSeries(series1);
        //  Test that there are still 7 X points
        assertEquals(7, dataset.getItemCount());

        //  Remove series 2 and add new series
        dataset.removeSeries(series2);
        series1 = createSeries1();
        dataset.addSeries(series1);

        //  Test that there are now 4 X points
        assertEquals(4, dataset.getItemCount());

    }
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    /**
     * A test for bug report 788597.
     */
    public void test788597() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        assertEquals(4, dataset.getItemCount());
        dataset.removeAllSeries();
        assertEquals(0, dataset.getItemCount());
    }
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    /**
     * Test that removing all values for a given x works.
     */
    public void testRemoveAllValuesForX() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        dataset.addSeries(createSeries2());
        dataset.removeAllValuesForX(new Double(2.0));
        assertEquals(5, dataset.getItemCount());
        assertEquals(new Double(1.0), dataset.getX(0, 0));
        assertEquals(new Double(3.0), dataset.getX(0, 1));
        assertEquals(new Double(4.0), dataset.getX(0, 2));
        assertEquals(new Double(5.0), dataset.getX(0, 3));
        assertEquals(new Double(6.0), dataset.getX(0, 4));
    }
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