Examples of org.jfree.chart.renderer.xy.CandlestickRenderer

org.jfree.chart.renderer.xy.CandlestickRenderer
A renderer that draws candlesticks on an {@link XYPlot} (requires a{@link OHLCDataset}). The example shown here is generated by the CandlestickChartDemo1.java program included in the JFreeChart demo collection:

This renderer does not include code to calculate the crosshair point for the plot.

    
    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CandlestickRenderer r1 = new CandlestickRenderer();
        CandlestickRenderer r2 = null;
        try {
            r2 = (CandlestickRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        CandlestickRenderer r1 = new CandlestickRenderer();
        CandlestickRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

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                                                    boolean legend) {


        ValueAxis timeAxis = new DateAxis(timeAxisLabel);
        NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
        XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, null);
        plot.setRenderer(new CandlestickRenderer());
        JFreeChart chart = new JFreeChart(
            title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
        );
        return chart;

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    }


    public static ChartPanel initOHLCChart(Parameters parameters, OHLCDataItem[] dataList) {
        final DateAxis domainAxis = new DateAxis(parameters.getLabelX());
        NumberAxis rangeAxis = new NumberAxis(parameters.getLabelY());
        CandlestickRenderer renderer = new CandlestickRenderer();
        XYPlot mainPlot = new XYPlot(getOHLCDataSet(parameters.getTitle(), dataList), domainAxis, rangeAxis, renderer);
        renderer.setSeriesPaint(0, Color.BLACK);
        renderer.setDrawVolume(true);
        rangeAxis.setAutoRangeIncludesZero(false);
        renderer.setBaseToolTipGenerator(new HighLowItemLabelGenerator(parameters.getDateFormat(), parameters.getNumberFormat()));
        JFreeChart chart = new JFreeChart(parameters.getTitle(), null, mainPlot, false);
        mainPlot.setDomainPannable(true);
        mainPlot.setRangePannable(true);
        return new ChartPanel(chart, false);
    }

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