Java 类org.jfree.data.xy.XYIntervalDataItem 实例源码

/**
 * Some checks for the constructor.
 */
public void testConstructor1() {
    XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0, 
            1.9, 2.1);
    assertEquals(new Double(1.0), item1.getX());
    assertEquals(0.5, item1.getXLowValue(), EPSILON);
    assertEquals(1.5, item1.getXHighValue(), EPSILON);
    assertEquals(2.0, item1.getYValue(), EPSILON);
    assertEquals(1.9, item1.getYLowValue(), EPSILON);
    assertEquals(2.1, item1.getYHighValue(), EPSILON);
}

/**
 * Add a point to the specified graph series.
 * @param seriesKey Key of series to update.
 * @param dataItem XYDataItem object to insert into this series.
 */
public void addPointToSeries(SeriesKey seriesKey, XYIntervalDataItem dataItem) {

    synchronized (seriesCollection) {

        XYIntervalSeries series = keyToSeries.get(seriesKey);
        series.add(dataItem.getX(), dataItem.getXLowValue(), dataItem.getXHighValue(),
                dataItem.getYValue(), dataItem.getYLowValue(), dataItem.getYHighValue());

    }
}

/**
 * Some checks for the constructor.
 */
public void testConstructor1() {
    XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0, 
            1.9, 2.1);
    assertEquals(new Double(1.0), item1.getX());
    assertEquals(0.5, item1.getXLowValue(), EPSILON);
    assertEquals(1.5, item1.getXHighValue(), EPSILON);
    assertEquals(2.0, item1.getYValue(), EPSILON);
    assertEquals(1.9, item1.getYLowValue(), EPSILON);
    assertEquals(2.1, item1.getYHighValue(), EPSILON);
}

/**
 * Some checks for the constructor.
 */
public void testConstructor1() {
    XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
            1.9, 2.1);
    assertEquals(new Double(1.0), item1.getX());
    assertEquals(0.5, item1.getXLowValue(), EPSILON);
    assertEquals(1.5, item1.getXHighValue(), EPSILON);
    assertEquals(2.0, item1.getYValue(), EPSILON);
    assertEquals(1.9, item1.getYLowValue(), EPSILON);
    assertEquals(2.1, item1.getYHighValue(), EPSILON);
}

/**
 * Plots the series which is referenced by seriesKey.
 * @param seriesKey the key to the series that has to be plotted
 */
public void plotSeries(SeriesKey seriesKey){

    double range = (maxProb - minProb) / (double)numOfBuckets; // Our range for which the histogram will be shown

    for(int i = 0 ; i < numOfBuckets ; i++){

        double minRange = minProb + (range*i);
        double maxRange = minRange + range;

        double height;

        if(i == (numOfBuckets-1)) // include the first value  
            height = countProbabilities(minRange, maxRange, true);
        else
            height = countProbabilities(minRange, maxRange, false);

        double x = (minRange + maxRange) / 2.0;

        addPointToSeries(seriesKey, new XYIntervalDataItem(x, minRange, maxRange, height, height, height));


        /**Only update the x axis tick marks if this is the first series which is being plotted*/
        if(isNew){

            if(i == 0)
                ticks.add(minRange);

            ticks.add(maxRange);
        }

    }

    /**Set the visible range of the plot*/
    plot.getDomainAxis().setRange(minProb-0.02, maxProb+0.02);

    /** clear the cache, we don't need it anymore*/
    dataCache.clear();
}