Examples of org.jfree.data.xy.IntervalXYDataset

org.jfree.data.xy.IntervalXYDataset
An extension of the {@link XYDataset} interface that allows an x-intervaland a y-interval to be defined. Note that the x and y values defined by the parent interface are NOT required to fall within these intervals. This interface is used to support (among other things) bar plots against numerical axes.

        double maximum = Double.NEGATIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        double lvalue;
        double uvalue;
        if (includeInterval && dataset instanceof IntervalXYDataset) {
            IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset;
            for (int series = 0; series < seriesCount; series++) {
                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {
                    lvalue = intervalXYData.getStartXValue(series, item);
                    uvalue = intervalXYData.getEndXValue(series, item);
                    minimum = Math.min(minimum, lvalue);
                    maximum = Math.max(maximum, uvalue);
                }
            }
        }

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        int seriesCount = dataset.getSeriesCount();


        // handle three cases by dataset type
        if (includeInterval && dataset instanceof IntervalXYDataset) {
            // handle special case of IntervalXYDataset
            IntervalXYDataset ixyd = (IntervalXYDataset) dataset;
            for (int series = 0; series < seriesCount; series++) {
                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {
                    double lvalue = ixyd.getStartYValue(series, item);
                    double uvalue = ixyd.getEndYValue(series, item);
                    if (!Double.isNaN(lvalue)) {
                        minimum = Math.min(minimum, lvalue);
                    }
                    if (!Double.isNaN(uvalue)) {
                        maximum = Math.max(maximum, uvalue);

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                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {


                    double value;
                    if (dataset instanceof IntervalXYDataset) {
                        IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                        value = intervalXYData.getStartXValue(series, item);
                    }
                    else {
                        value = dataset.getXValue(series, item);
                    }
                    if (!Double.isNaN(value)) {

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                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {


                    double value;
                    if (dataset instanceof IntervalXYDataset) {
                        IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                        value = intervalXYData.getEndXValue(series, item);
                    }
                    else {
                        value = dataset.getXValue(series, item);
                    }
                    if (!Double.isNaN(value)) {

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                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {


                    double value;
                    if (dataset instanceof IntervalXYDataset) {
                        IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                        value = intervalXYData.getStartYValue(series, item);
                    }
                    else if (dataset instanceof OHLCDataset) {
                        OHLCDataset highLowData = (OHLCDataset) dataset;
                        value = highLowData.getLowValue(series, item);
                    }

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            for (int series = 0; series < seriesCount; series++) {
                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {
                    double value;
                    if (dataset instanceof IntervalXYDataset) {
                        IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                        value = intervalXYData.getEndYValue(series, item);
                    }
                    else if (dataset instanceof OHLCDataset) {
                        OHLCDataset highLowData = (OHLCDataset) dataset;
                        value = highLowData.getHighValue(series, item);
                    }

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                         ValueAxis rangeAxis,
                         XYDataset dataset, int series, int item,
                         CrosshairState crosshairState,
                         int pass) {


        IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;


        double y0;
        double y1;
        if (getUseYInterval()) {
            y0 = intervalDataset.getStartYValue(series, item);
            y1 = intervalDataset.getEndYValue(series, item);
        }
        else {
            y0 = getBase();
            y1 = intervalDataset.getYValue(series, item);
        }
        if (Double.isNaN(y0) || Double.isNaN(y1)) {
            return;
        }


        double yy0 = rangeAxis.valueToJava2D(y0, dataArea,
                plot.getRangeAxisEdge());
        double yy1 = rangeAxis.valueToJava2D(y1, dataArea,
                plot.getRangeAxisEdge());


        RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
        double x0 = intervalDataset.getStartXValue(series, item);
        double xx0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);


        double x1 = intervalDataset.getEndXValue(series, item);
        double xx1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);


        double intervalW = xx1 - xx0;  // this may be negative
        double baseX = xx0;
        if (this.centerBarAtStartValue) {

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            return;
        }


        // first pass draws the shading
        if (pass == 0) {
            IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;
            State drState = (State) state;


            double x = intervalDataset.getXValue(series, item);
            double yLow = intervalDataset.getStartYValue(series, item);
            double yHigh  = intervalDataset.getEndYValue(series, item);


            RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
            RectangleEdge yAxisLocation = plot.getRangeAxisEdge();


            double xx = domainAxis.valueToJava2D(x, dataArea, xAxisLocation);

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                         int pass) {


        if (!getItemVisible(series, item)) {
            return;
        }
        IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;


        double value0;
        double value1;
        if (this.useYInterval) {
            value0 = intervalDataset.getStartYValue(series, item);
            value1 = intervalDataset.getEndYValue(series, item);
        }
        else {
            value0 = this.base;
            value1 = intervalDataset.getYValue(series, item);
        }
        if (Double.isNaN(value0) || Double.isNaN(value1)) {
            return;
        }
        if (value0 <= value1) {
            if (!rangeAxis.getRange().intersects(value0, value1)) {
                return;
            }
        }
        else {
            if (!rangeAxis.getRange().intersects(value1, value0)) {
                return;
            }
        }


        double translatedValue0 = rangeAxis.valueToJava2D(value0, dataArea,
                plot.getRangeAxisEdge());
        double translatedValue1 = rangeAxis.valueToJava2D(value1, dataArea,
                plot.getRangeAxisEdge());
        double bottom = Math.min(translatedValue0, translatedValue1);
        double top = Math.max(translatedValue0, translatedValue1);


        double startX = intervalDataset.getStartXValue(series, item);
        if (Double.isNaN(startX)) {
            return;
        }
        double endX = intervalDataset.getEndXValue(series, item);
        if (Double.isNaN(endX)) {
            return;
        }
        if (startX <= endX) {
            if (!domainAxis.getRange().intersects(startX, endX)) {

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     * Serialize an instance, restore it, and check for equality.  This test uses a {@link DateAxis}
     * and a {@link StandardXYToolTipGenerator}.
     */
    public void testSerialization2() {


        IntervalXYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new XYBarRenderer(0.20);
        renderer1.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
        XYPlot p1 = new XYPlot(data1, new DateAxis("Date"), null, renderer1);
        XYPlot p2 = null;

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