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 minimum = Double.POSITIVE_INFINITY;
        double maximum = Double.NEGATIVE_INFINITY;


        if (includeInterval && dataset instanceof IntervalXYDataset) {
            // handle special case of IntervalXYDataset
            IntervalXYDataset ixyd = (IntervalXYDataset) dataset;
            Iterator iterator = visibleSeriesKeys.iterator();
            while (iterator.hasNext()) {
                Comparable seriesKey = (Comparable) iterator.next();
                int series = dataset.indexOf(seriesKey);
                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {
                    double lvalue = ixyd.getStartXValue(series, item);
                    double uvalue = ixyd.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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                }
            }
        }
        else if (includeInterval && dataset instanceof IntervalXYDataset) {
            // handle special case of IntervalXYDataset
            IntervalXYDataset ixyd = (IntervalXYDataset) dataset;
            Iterator iterator = visibleSeriesKeys.iterator();
            while (iterator.hasNext()) {
                Comparable seriesKey = (Comparable) iterator.next();
                int series = dataset.indexOf(seriesKey);
                int itemCount = dataset.getItemCount(series);
                for (int item = 0; item < itemCount; item++) {
                    double x = ixyd.getXValue(series, item);
                    if (xRange.contains(x)) {
                        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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                        lastPos = pos;
                    }
                    break;


                case WIDTHMETHOD_INTERVALDATA:
                    IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                    double startPos = domainAxis.valueToJava2D(
                            intervalXYData.getStartXValue(series, item),
                            dataArea, plot.getDomainAxisEdge());
                    double endPos = domainAxis.valueToJava2D(
                            intervalXYData.getEndXValue(series, item),
                            dataArea, plot.getDomainAxisEdge());
                    xxWidth = Math.abs(endPos - startPos);
                    break;


            }

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        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
        }


        IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;


        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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  }


  public static JPanel createDemoPanel() {
    DemoPanel demopanel = new DemoPanel(new GridLayout(2, 2));
    demopanel.setPreferredSize(new Dimension(800, 600));
    IntervalXYDataset intervalxydataset = createDataset();
    JFreeChart jfreechart = createChart("Vertical", intervalxydataset);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer();
    xybarrenderer.setDrawBarOutline(false);
    xybarrenderer.setSeriesPaint(0, new GradientPaint(0.0F, 0.0F,

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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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