differencechartdemo2.java

JfreeChart 常用图表例子

        series.add(new Day(4, 8, 2004), time(20, 43));
        series.add(new Day(5, 8, 2004), time(20, 42));
        series.add(new Day(6, 8, 2004), time(20, 40));
        series.add(new Day(7, 8, 2004), time(20, 38));
        series.add(new Day(8, 8, 2004), time(20, 36));
        series.add(new Day(9, 8, 2004), time(20, 34));
        series.add(new Day(10, 8, 2004), time(20, 33));
        series.add(new Day(11, 8, 2004), time(20, 31));
        series.add(new Day(12, 8, 2004), time(20, 29));
        series.add(new Day(13, 8, 2004), time(20, 27));
        series.add(new Day(14, 8, 2004), time(20, 25));
        series.add(new Day(15, 8, 2004), time(20, 23));
        series.add(new Day(16, 8, 2004), time(20, 21));
        series.add(new Day(17, 8, 2004), time(20, 19));
        series.add(new Day(18, 8, 2004), time(20, 17));
        series.add(new Day(19, 8, 2004), time(20, 15));
        series.add(new Day(20, 8, 2004), time(20, 13));
        series.add(new Day(21, 8, 2004), time(20, 11));
        series.add(new Day(22, 8, 2004), time(20, 9));
        series.add(new Day(23, 8, 2004), time(20, 7));
        series.add(new Day(24, 8, 2004), time(20, 4));
        series.add(new Day(25, 8, 2004), time(20, 2));
        series.add(new Day(26, 8, 2004), time(20, 0));
        series.add(new Day(27, 8, 2004), time(19, 58));
        series.add(new Day(28, 8, 2004), time(19, 56));
        series.add(new Day(29, 8, 2004), time(19, 54));
        series.add(new Day(30, 8, 2004), time(19, 51));
        series.add(new Day(31, 8, 2004), time(19, 49));

        series.add(new Day(1, 9, 2004), time(19, 47));
        series.add(new Day(2, 9, 2004), time(19, 45));
        series.add(new Day(3, 9, 2004), time(19, 42));
        series.add(new Day(4, 9, 2004), time(19, 40));
        series.add(new Day(5, 9, 2004), time(19, 38));
        series.add(new Day(6, 9, 2004), time(19, 36));
        series.add(new Day(7, 9, 2004), time(19, 33));
        series.add(new Day(8, 9, 2004), time(19, 31));
        series.add(new Day(9, 9, 2004), time(19, 29));
        series.add(new Day(10, 9, 2004), time(19, 27));
        series.add(new Day(11, 9, 2004), time(19, 24));
        series.add(new Day(12, 9, 2004), time(19, 22));
        series.add(new Day(13, 9, 2004), time(19, 20));
        series.add(new Day(14, 9, 2004), time(19, 17));
        series.add(new Day(15, 9, 2004), time(19, 15));
        series.add(new Day(16, 9, 2004), time(19, 13));
        series.add(new Day(17, 9, 2004), time(19, 11));
        series.add(new Day(18, 9, 2004), time(19, 8));
        series.add(new Day(19, 9, 2004), time(19, 6));
        series.add(new Day(20, 9, 2004), time(19, 4));
        series.add(new Day(21, 9, 2004), time(19, 1));
        series.add(new Day(22, 9, 2004), time(18, 59));
        series.add(new Day(23, 9, 2004), time(18, 57));
        series.add(new Day(24, 9, 2004), time(18, 54));
        series.add(new Day(25, 9, 2004), time(18, 52));
        series.add(new Day(26, 9, 2004), time(18, 50));
        series.add(new Day(27, 9, 2004), time(18, 47));
        series.add(new Day(28, 9, 2004), time(18, 45));
        series.add(new Day(29, 9, 2004), time(18, 43));
        series.add(new Day(30, 9, 2004), time(18, 41));

        series.add(new Day(1, 10, 2004), time(18, 38));
        series.add(new Day(2, 10, 2004), time(18, 36));
        series.add(new Day(3, 10, 2004), time(18, 34));
        series.add(new Day(4, 10, 2004), time(18, 31));
        series.add(new Day(5, 10, 2004), time(18, 29));
        series.add(new Day(6, 10, 2004), time(18, 27));
        series.add(new Day(7, 10, 2004), time(18, 25));
        series.add(new Day(8, 10, 2004), time(18, 22));
        series.add(new Day(9, 10, 2004), time(18, 20));
        series.add(new Day(10, 10, 2004), time(18, 18));
        series.add(new Day(11, 10, 2004), time(18, 16));
        series.add(new Day(12, 10, 2004), time(18, 14));
        series.add(new Day(13, 10, 2004), time(18, 11));
        series.add(new Day(14, 10, 2004), time(18, 9));
        series.add(new Day(15, 10, 2004), time(18, 7));
        series.add(new Day(16, 10, 2004), time(18, 5));
        series.add(new Day(17, 10, 2004), time(18, 3));
        series.add(new Day(18, 10, 2004), time(18, 1));
        series.add(new Day(19, 10, 2004), time(17, 59));
        series.add(new Day(20, 10, 2004), time(17, 57));
        series.add(new Day(21, 10, 2004), time(17, 55));
        series.add(new Day(22, 10, 2004), time(17, 53));
        series.add(new Day(23, 10, 2004), time(17, 50));
        series.add(new Day(24, 10, 2004), time(17, 48));
        series.add(new Day(25, 10, 2004), time(17, 46));
        series.add(new Day(26, 10, 2004), time(17, 45));
        series.add(new Day(27, 10, 2004), time(17, 43));
        series.add(new Day(28, 10, 2004), time(17, 41));
        series.add(new Day(29, 10, 2004), time(17, 39));
        series.add(new Day(30, 10, 2004), time(17, 37));
        series.add(new Day(31, 10, 2004), time(16, 35));

        series.add(new Day(1, 11, 2004), time(16, 33));
        series.add(new Day(2, 11, 2004), time(16, 31));
        series.add(new Day(3, 11, 2004), time(16, 30));
        series.add(new Day(4, 11, 2004), time(16, 28));
        series.add(new Day(5, 11, 2004), time(16, 26));
        series.add(new Day(6, 11, 2004), time(16, 24));
        series.add(new Day(7, 11, 2004), time(16, 23));
        series.add(new Day(8, 11, 2004), time(16, 21));
        series.add(new Day(9, 11, 2004), time(16, 20));
        series.add(new Day(10, 11, 2004), time(16, 18));
        series.add(new Day(11, 11, 2004), time(16, 16));
        series.add(new Day(12, 11, 2004), time(16, 15));
        series.add(new Day(13, 11, 2004), time(16, 13));
        series.add(new Day(14, 11, 2004), time(16, 12));
        series.add(new Day(15, 11, 2004), time(16, 11));
        series.add(new Day(16, 11, 2004), time(16, 9));
        series.add(new Day(17, 11, 2004), time(16, 8));
        series.add(new Day(18, 11, 2004), time(16, 7));
        series.add(new Day(19, 11, 2004), time(16, 5));
        series.add(new Day(20, 11, 2004), time(16, 4));
        series.add(new Day(21, 11, 2004), time(16, 3));
        series.add(new Day(22, 11, 2004), time(16, 2));
        series.add(new Day(23, 11, 2004), time(16, 1));
        series.add(new Day(24, 11, 2004), time(16, 0));
        series.add(new Day(25, 11, 2004), time(15, 59));
        series.add(new Day(26, 11, 2004), time(15, 58));
        series.add(new Day(27, 11, 2004), time(15, 57));
        series.add(new Day(28, 11, 2004), time(15, 56));
        series.add(new Day(29, 11, 2004), time(15, 56));
        series.add(new Day(30, 11, 2004), time(15, 55));

        series.add(new Day(1, 12, 2004), time(15, 54));
        series.add(new Day(2, 12, 2004), time(15, 54));
        series.add(new Day(3, 12, 2004), time(15, 53));
        series.add(new Day(4, 12, 2004), time(15, 53));
        series.add(new Day(5, 12, 2004), time(15, 52));
        series.add(new Day(6, 12, 2004), time(15, 52));
        series.add(new Day(7, 12, 2004), time(15, 51));
        series.add(new Day(8, 12, 2004), time(15, 51));
        series.add(new Day(9, 12, 2004), time(15, 51));
        series.add(new Day(10, 12, 2004), time(15, 51));
        series.add(new Day(11, 12, 2004), time(15, 50));
        series.add(new Day(12, 12, 2004), time(15, 50));
        series.add(new Day(13, 12, 2004), time(15, 50));
        series.add(new Day(14, 12, 2004), time(15, 50));
        series.add(new Day(15, 12, 2004), time(15, 51));
        series.add(new Day(16, 12, 2004), time(15, 51));
        series.add(new Day(17, 12, 2004), time(15, 51));
        series.add(new Day(18, 12, 2004), time(15, 51));
        series.add(new Day(19, 12, 2004), time(15, 51));
        series.add(new Day(20, 12, 2004), time(15, 52));
        series.add(new Day(21, 12, 2004), time(15, 52));
        series.add(new Day(22, 12, 2004), time(15, 53));
        series.add(new Day(23, 12, 2004), time(15, 53));
        series.add(new Day(24, 12, 2004), time(15, 54));
        series.add(new Day(25, 12, 2004), time(15, 55));
        series.add(new Day(26, 12, 2004), time(15, 55));
        series.add(new Day(27, 12, 2004), time(15, 56));
        series.add(new Day(28, 12, 2004), time(15, 57));
        series.add(new Day(29, 12, 2004), time(15, 58));
        series.add(new Day(30, 12, 2004), time(15, 59));
        series.add(new Day(31, 12, 2004), time(16, 0));

        return series;

    }

    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return The chart.
     */
    private JFreeChart createChart(final XYDataset dataset) {
        final JFreeChart chart = ChartFactory.createTimeSeriesChart(
            "Daylight Hours - London, UK",
            "Date", 
            "Time",
            dataset,
            true,  // legend
            true,  // tool tips
            false  // URLs
        );
        chart.setBackgroundPaint(Color.white);
       
        final XYDifferenceRenderer renderer = new XYDifferenceRenderer(
            Color.blue, Color.blue, false
        );
        renderer.setStroke(new BasicStroke(2.0f));
        renderer.setSeriesPaint(0, Color.yellow);
        renderer.setSeriesPaint(1, Color.red);
        final XYPlot plot = chart.getXYPlot();
        plot.setRenderer(renderer);
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
//        plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
        
        final DateAxis domainAxis = new DateAxis("Time");
        domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.0);
        plot.setDomainAxis(domainAxis);
        plot.setForegroundAlpha(0.5f);  

        final Color c = new Color(255, 60, 24, 63);
        final Marker bst = new IntervalMarker(
            new Day(28, 3, 2004).getFirstMillisecond(), new Day(30, 10, 2004).getFirstMillisecond(),
            c, new BasicStroke(2.0f), null, null, 1.0f
        );
        bst.setLabel("British Summer Time");
        bst.setLabelAnchor(RectangleAnchor.BOTTOM_RIGHT);
        bst.setLabelFont(new Font("SansSerif", Font.ITALIC + Font.BOLD, 10));
        bst.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT);
        plot.addDomainMarker(bst, Layer.BACKGROUND);

        final DateAxis rangeAxis = new DateAxis("Time");
        rangeAxis.setLowerMargin(0.15);
        rangeAxis.setUpperMargin(0.15);
        plot.setRangeAxis(rangeAxis);
        return chart;      
    }
    
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {

        final DifferenceChartDemo2 demo = new DifferenceChartDemo2("Difference Chart Demo 2");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}