Package org.jfree.data.xy

Examples of org.jfree.data.xy.XYDataset

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        // create a dataset...
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(1.0, 1.0);
        series1.add(2.0, 2.0);
        series1.add(3.0, 3.0);
        XYDataset dataset = new XYSeriesCollection(series1);

        // create the chart...
        return ChartFactory.createScatterPlot(
            "Scatter Plot",  // chart title
            "Domain",
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        if (this.plot == null) {
            return new LegendItemCollection();
        }
        LegendItemCollection result = new LegendItemCollection();
        int index = this.plot.getIndexOf(this);
        XYDataset dataset = this.plot.getDataset(index);
        if (dataset != null) {
            int seriesCount = dataset.getSeriesCount();
            for (int i = 0; i < seriesCount; i++) {
                if (isSeriesVisibleInLegend(i)) {
                    LegendItem item = getLegendItem(index, i);
                    if (item != null) {
                        result.add(item);
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    public LegendItem getLegendItem(int datasetIndex, int series) {
        XYPlot xyplot = getPlot();
        if (xyplot == null) {
            return null;
        }
        XYDataset dataset = xyplot.getDataset(datasetIndex);
        if (dataset == null) {
            return null;
        }
        String label = this.legendItemLabelGenerator.generateLabel(dataset,
                series);
        String description = label;
        String toolTipText = null;
        if (getLegendItemToolTipGenerator() != null) {
            toolTipText = getLegendItemToolTipGenerator().generateLabel(
                    dataset, series);
        }
        String urlText = null;
        if (getLegendItemURLGenerator() != null) {
            urlText = getLegendItemURLGenerator().generateLabel(dataset,
                    series);
        }
        Shape shape = lookupLegendShape(series);
        Paint paint = lookupSeriesPaint(series);
        LegendItem item = new LegendItem(label, paint);
        item.setToolTipText(toolTipText);
        item.setURLText(urlText);
        item.setLabelFont(lookupLegendTextFont(series));
        Paint labelPaint = lookupLegendTextPaint(series);
        if (labelPaint != null) {
            item.setLabelPaint(labelPaint);
        }
        item.setSeriesKey(dataset.getSeriesKey(series));
        item.setSeriesIndex(series);
        item.setDataset(dataset);
        item.setDatasetIndex(datasetIndex);

        if (getTreatLegendShapeAsLine()) {
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        // create a dataset...
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(10.0, 10.0);
        series1.add(20.0, 20.0);
        series1.add(30.0, 30.0);
        XYDataset dataset = new XYSeriesCollection(series1);

        LocalListener l = new LocalListener();
        this.chart.addChangeListener(l);
        XYPlot plot = (XYPlot) this.chart.getPlot();
        plot.setDataset(dataset);
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        // create a dataset...
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(1.0, 1.0);
        series1.add(2.0, 2.0);
        series1.add(3.0, 3.0);
        XYDataset dataset = new XYSeriesCollection(series1);

        // create the chart...
        return ChartFactory.createXYStepChart(
            "Step Chart",  // chart title
            "Domain",
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     *
     * @return A sample plot.
     */
    private CombinedRangeXYPlot createPlot() {
        // create subplot 1...
        XYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new StandardXYItemRenderer();
        NumberAxis xAxis1 = new NumberAxis("X1");
        XYPlot subplot1 = new XYPlot(data1, xAxis1, null, renderer1);
        subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

        XYTextAnnotation annotation
                = new XYTextAnnotation("Hello!", 50.0, 10000.0);
        annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
        annotation.setRotationAngle(Math.PI / 4.0);
        subplot1.addAnnotation(annotation);

        // create subplot 2...
        XYDataset data2 = createDataset2();
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
        NumberAxis xAxis2 = new NumberAxis("X2");
        xAxis2.setAutoRangeIncludesZero(false);
        XYPlot subplot2 = new XYPlot(data2, xAxis2, null, renderer2);
        subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
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        // create a dataset...
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(10.0, 10.0);
        series1.add(20.0, 20.0);
        series1.add(30.0, 30.0);
        XYDataset dataset = new XYSeriesCollection(series1);

        LocalListener l = new LocalListener();
        this.chart.addChangeListener(l);
        XYPlot plot = (XYPlot) this.chart.getPlot();
        plot.setDataset(dataset);
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        // create a dataset...
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(1.0, 1.0);
        series1.add(2.0, 2.0);
        series1.add(3.0, 3.0);
        XYDataset dataset = new XYSeriesCollection(series1);

        // create the chart...
        return ChartFactory.createXYLineChart(
            "XY Line Chart",  // chart title
            "Domain",
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization1() {

        XYDataset data = new XYSeriesCollection();
        NumberAxis domainAxis = new NumberAxis("Domain");
        NumberAxis rangeAxis = new NumberAxis("Range");
        StandardXYItemRenderer renderer = new StandardXYItemRenderer();
        XYPlot p1 = new XYPlot(data, domainAxis, rangeAxis, renderer);
        XYPlot p2 = null;
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    /**
     * Some checks for the getRendererForDataset() method.
     */
    public void testGetRendererForDataset() {
        XYDataset d0 = new XYSeriesCollection();
        XYDataset d1 = new XYSeriesCollection();
        XYDataset d2 = new XYSeriesCollection();
        XYDataset d3 = new XYSeriesCollection();  // not used by plot
        XYItemRenderer r0 = new XYLineAndShapeRenderer();
        XYItemRenderer r2 = new XYLineAndShapeRenderer();
        XYPlot plot = new XYPlot();
        plot.setDataset(0, d0);
        plot.setDataset(1, d1);
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