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

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            {


               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 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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     * 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.setBaseToolTipGenerator(
                StandardXYToolTipGenerator.getTimeSeriesInstance());
        XYPlot p1 = new XYPlot(data1, new DateAxis("Date"), null, renderer1);
        XYPlot p2 = null;

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     * @return The chart.
     */
    private static JFreeChart createCombinedChart() {


        // create plot ...
        IntervalXYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
        renderer1.setBaseToolTipGenerator(new StandardXYToolTipGenerator(
                StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
        renderer1.setSeriesStroke(0, new BasicStroke(4.0f,
                BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
        renderer1.setSeriesPaint(0, Color.blue);


        DateAxis domainAxis = new DateAxis("Year");
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.02);
        ValueAxis rangeAxis = new NumberAxis("$billion");
        XYPlot plot1 = new XYPlot(data1, null, rangeAxis, renderer1);
        plot1.setBackgroundPaint(Color.lightGray);
        plot1.setDomainGridlinePaint(Color.white);
        plot1.setRangeGridlinePaint(Color.white);


        // add a second dataset and renderer...
        IntervalXYDataset data2 = createDataset2();
        XYBarRenderer renderer2 = new XYBarRenderer() {
            public Paint getItemPaint(int series, int item) {
                XYDataset dataset = getPlot().getDataset();
                if (dataset.getYValue(series, item) >= 0.0) {
                    return Color.red;

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


        if (pass == 0 && dataset instanceof IntervalXYDataset
                && getItemVisible(series, item)) {
            IntervalXYDataset ixyd = (IntervalXYDataset) dataset;
            PlotOrientation orientation = plot.getOrientation();
            if (this.drawXError) {
                // draw the error bar for the x-interval
                double x0 = ixyd.getStartXValue(series, item);
                double x1 = ixyd.getEndXValue(series, item);
                double y = ixyd.getYValue(series, item);
                RectangleEdge edge = plot.getDomainAxisEdge();
                double xx0 = domainAxis.valueToJava2D(x0, dataArea, edge);
                double xx1 = domainAxis.valueToJava2D(x1, dataArea, edge);
                double yy = rangeAxis.valueToJava2D(y, dataArea,
                        plot.getRangeAxisEdge());
                Line2D line;
                Line2D cap1 = null;
                Line2D cap2 = null;
                double adj = this.capLength / 2.0;
                if (orientation == PlotOrientation.VERTICAL) {
                    line = new Line2D.Double(xx0, yy, xx1, yy);
                    cap1 = new Line2D.Double(xx0, yy - adj, xx0, yy + adj);
                    cap2 = new Line2D.Double(xx1, yy - adj, xx1, yy + adj);
                }
                else {  // PlotOrientation.HORIZONTAL
                    line = new Line2D.Double(yy, xx0, yy, xx1);
                    cap1 = new Line2D.Double(yy - adj, xx0, yy + adj, xx0);
                    cap2 = new Line2D.Double(yy - adj, xx1, yy + adj, xx1);
                }
                if (this.errorPaint != null) {
                    g2.setPaint(this.errorPaint);
                }
                else {
                    g2.setPaint(getItemPaint(series, item));
                }
                if (this.errorStroke != null) {
                    g2.setStroke(this.errorStroke);
                }
                else {
                    g2.setStroke(getItemStroke(series, item));
                }
                g2.draw(line);
                g2.draw(cap1);
                g2.draw(cap2);
            }
            if (this.drawYError) {
                // draw the error bar for the y-interval
                double y0 = ixyd.getStartYValue(series, item);
                double y1 = ixyd.getEndYValue(series, item);
                double x = ixyd.getXValue(series, item);
                RectangleEdge edge = plot.getRangeAxisEdge();
                double yy0 = rangeAxis.valueToJava2D(y0, dataArea, edge);
                double yy1 = rangeAxis.valueToJava2D(y1, dataArea, edge);
                double xx = domainAxis.valueToJava2D(x, dataArea,
                        plot.getDomainAxisEdge());

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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)) {
                return;
            }
        }
        else {
            if (!domainAxis.getRange().intersects(endX, startX)) {
                return;
            }
        }


        // is there an alignment adjustment to be made?
        if (this.barAlignmentFactor >= 0.0 && this.barAlignmentFactor <= 1.0) {
            double x = intervalDataset.getXValue(series, item);
            double interval = endX - startX;
            startX = x - interval * this.barAlignmentFactor;
            endX = startX + interval;
        }

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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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        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);
                    if (!Double.isNaN(lvalue)) {
                        minimum = Math.min(minimum, lvalue);
                    }
                    if (!Double.isNaN(uvalue)) {
                        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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