combinedxyplotdemo3.java

在软件开发中用来绘制各种图表的源码

/* ------------------------
 * CombinedXYPlotDemo3.java
 * ------------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited.
 *
 */

package demo;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;

import javax.swing.JPanel;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CombinedRangeXYPlot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Day;
import org.jfree.data.time.MovingAverage;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.date.MonthConstants;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A demonstration application showing how to create a combined chart using...
 *
 */
public class CombinedXYPlotDemo3 extends ApplicationFrame {

    /**
     * Constructs a new demonstration application.
     *
     * @param title  the frame title.
     */
    public CombinedXYPlotDemo3(String title) {

        super(title);
        JFreeChart chart = createCombinedChart();
        ChartPanel panel = new ChartPanel(chart, true, true, true, false, true);
        panel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(panel);

    }

    /**
     * Creates a combined XYPlot chart.
     *
     * @return the combined chart.
     */
    private static JFreeChart createCombinedChart() {

        // create a default chart based on some sample data...
        TimeSeriesCollection dataset0 = new TimeSeriesCollection();
        TimeSeries eur = createEURTimeSeries();
        dataset0.addSeries(eur);

        TimeSeriesCollection dataset1 = new TimeSeriesCollection();
        TimeSeries mav = MovingAverage.createMovingAverage(
            eur, "EUR/GBP (30 Day MA)", 30, 30
        );
        dataset1.addSeries(eur);
        dataset1.addSeries(mav);

        TimeSeriesCollection dataset2 = new TimeSeriesCollection();
        dataset2.addSeries(eur);

        JFreeChart chart = null;

        // make a common vertical axis for all the sub-plots
        NumberAxis valueAxis = new NumberAxis("Value");
        valueAxis.setAutoRangeIncludesZero(false);  // override default

        // make a horizontally combined plot
        CombinedRangeXYPlot parent = new CombinedRangeXYPlot(valueAxis);

        // add subplot 1...
        XYPlot subplot1 = new XYPlot(dataset0, new DateAxis("Date 1"), null,
                                     new StandardXYItemRenderer());
        parent.add(subplot1, 1);

        // add subplot 2...
        XYPlot subplot2 = new XYPlot(dataset1, new DateAxis("Date 2"), null,
                                     new StandardXYItemRenderer());
        parent.add(subplot2, 1);

        // add subplot 3...
        XYPlot subplot3 = new XYPlot(dataset2, new DateAxis("Date 3"),
                                     null, new XYBarRenderer(0.20));
        parent.add(subplot3, 1);

        // now make the top level JFreeChart
        chart = new JFreeChart("Demo Chart", JFreeChart.DEFAULT_TITLE_FONT, parent, true);

        // then customise it a little...
        TextTitle subtitle = new TextTitle("This is a subtitle",
                                           new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;

    }
    
    /**
     * Returns a time series of the daily EUR/GBP exchange rates in 2001 (to date), for use in
     * the JFreeChart demonstration application.
     * <P>
     * You wouldn't normally create a time series in this way.  Typically, values would
     * be read from a database.
     *
     * @return A time series.
     */
    public static TimeSeries createEURTimeSeries() {

        TimeSeries t1 = new TimeSeries("EUR/GBP");
        try {
            t1.add(new Day(2, MonthConstants.JANUARY, 2001), new Double(1.5788));
            t1.add(new Day(3, MonthConstants.JANUARY, 2001), new Double(1.5913));
            t1.add(new Day(4, MonthConstants.JANUARY, 2001), new Double(1.5807));
            t1.add(new Day(5, MonthConstants.JANUARY, 2001), new Double(1.5711));
            t1.add(new Day(8, MonthConstants.JANUARY, 2001), new Double(1.5778));
            t1.add(new Day(9, MonthConstants.JANUARY, 2001), new Double(1.5851));
            t1.add(new Day(10, MonthConstants.JANUARY, 2001), new Double(1.5846));
            t1.add(new Day(11, MonthConstants.JANUARY, 2001), new Double(1.5727));
            t1.add(new Day(12, MonthConstants.JANUARY, 2001), new Double(1.5585));
            t1.add(new Day(15, MonthConstants.JANUARY, 2001), new Double(1.5694));
            t1.add(new Day(16, MonthConstants.JANUARY, 2001), new Double(1.5629));
            t1.add(new Day(17, MonthConstants.JANUARY, 2001), new Double(1.5831));
            t1.add(new Day(18, MonthConstants.JANUARY, 2001), new Double(1.5624));
            t1.add(new Day(19, MonthConstants.JANUARY, 2001), new Double(1.5694));
            t1.add(new Day(22, MonthConstants.JANUARY, 2001), new Double(1.5615));
            t1.add(new Day(23, MonthConstants.JANUARY, 2001), new Double(1.5656));
            t1.add(new Day(24, MonthConstants.JANUARY, 2001), new Double(1.5795));
            t1.add(new Day(25, MonthConstants.JANUARY, 2001), new Double(1.5852));
            t1.add(new Day(26, MonthConstants.JANUARY, 2001), new Double(1.5797));
            t1.add(new Day(29, MonthConstants.JANUARY, 2001), new Double(1.5862));
            t1.add(new Day(30, MonthConstants.JANUARY, 2001), new Double(1.5803));
            t1.add(new Day(31, MonthConstants.JANUARY, 2001), new Double(1.5714));
            t1.add(new Day(1, MonthConstants.FEBRUARY, 2001), new Double(1.5717));
            t1.add(new Day(2, MonthConstants.FEBRUARY, 2001), new Double(1.5735));
            t1.add(new Day(5, MonthConstants.FEBRUARY, 2001), new Double(1.5691));
            t1.add(new Day(6, MonthConstants.FEBRUARY, 2001), new Double(1.5676));
            t1.add(new Day(7, MonthConstants.FEBRUARY, 2001), new Double(1.5677));
            t1.add(new Day(8, MonthConstants.FEBRUARY, 2001), new Double(1.5737));
            t1.add(new Day(9, MonthConstants.FEBRUARY, 2001), new Double(1.5654));
            t1.add(new Day(12, MonthConstants.FEBRUARY, 2001), new Double(1.5621));
            t1.add(new Day(13, MonthConstants.FEBRUARY, 2001), new Double(1.5761));
            t1.add(new Day(14, MonthConstants.FEBRUARY, 2001), new Double(1.5898));
            t1.add(new Day(15, MonthConstants.FEBRUARY, 2001), new Double(1.6045));
            t1.add(new Day(16, MonthConstants.FEBRUARY, 2001), new Double(1.5852));
            t1.add(new Day(19, MonthConstants.FEBRUARY, 2001), new Double(1.5704));
            t1.add(new Day(20, MonthConstants.FEBRUARY, 2001), new Double(1.5892));
            t1.add(new Day(21, MonthConstants.FEBRUARY, 2001), new Double(1.5844));
            t1.add(new Day(22, MonthConstants.FEBRUARY, 2001), new Double(1.5934));
            t1.add(new Day(23, MonthConstants.FEBRUARY, 2001), new Double(1.5951));
            t1.add(new Day(26, MonthConstants.FEBRUARY, 2001), new Double(1.5848));
            t1.add(new Day(27, MonthConstants.FEBRUARY, 2001), new Double(1.5706));
            t1.add(new Day(28, MonthConstants.FEBRUARY, 2001), new Double(1.5680));
            t1.add(new Day(1, MonthConstants.MARCH, 2001), new Double(1.5645));
            t1.add(new Day(2, MonthConstants.MARCH, 2001), new Double(1.5754));
            t1.add(new Day(5, MonthConstants.MARCH, 2001), new Double(1.5808));
            t1.add(new Day(6, MonthConstants.MARCH, 2001), new Double(1.5766));
            t1.add(new Day(7, MonthConstants.MARCH, 2001), new Double(1.5756));
            t1.add(new Day(8, MonthConstants.MARCH, 2001), new Double(1.5760));
            t1.add(new Day(9, MonthConstants.MARCH, 2001), new Double(1.5748));
            t1.add(new Day(12, MonthConstants.MARCH, 2001), new Double(1.5779));
            t1.add(new Day(13, MonthConstants.MARCH, 2001), new Double(1.5837));
            t1.add(new Day(14, MonthConstants.MARCH, 2001), new Double(1.5886));
            t1.add(new Day(15, MonthConstants.MARCH, 2001), new Double(1.5931));
            t1.add(new Day(16, MonthConstants.MARCH, 2001), new Double(1.5945));
            t1.add(new Day(19, MonthConstants.MARCH, 2001), new Double(1.5880));
            t1.add(new Day(20, MonthConstants.MARCH, 2001), new Double(1.5817));
            t1.add(new Day(21, MonthConstants.MARCH, 2001), new Double(1.5927));
            t1.add(new Day(22, MonthConstants.MARCH, 2001), new Double(1.6065));
            t1.add(new Day(23, MonthConstants.MARCH, 2001), new Double(1.6006));
            t1.add(new Day(26, MonthConstants.MARCH, 2001), new Double(1.6007));
            t1.add(new Day(27, MonthConstants.MARCH, 2001), new Double(1.5989));
            t1.add(new Day(28, MonthConstants.MARCH, 2001), new Double(1.6135));
            t1.add(new Day(29, MonthConstants.MARCH, 2001), new Double(1.6282));
            t1.add(new Day(30, MonthConstants.MARCH, 2001), new Double(1.6090));
            t1.add(new Day(2, MonthConstants.APRIL, 2001), new Double(1.6107));
            t1.add(new Day(3, MonthConstants.APRIL, 2001), new Double(1.6093));
            t1.add(new Day(4, MonthConstants.APRIL, 2001), new Double(1.5880));
            t1.add(new Day(5, MonthConstants.APRIL, 2001), new Double(1.5931));
            t1.add(new Day(6, MonthConstants.APRIL, 2001), new Double(1.5968));
            t1.add(new Day(9, MonthConstants.APRIL, 2001), new Double(1.6072));
            t1.add(new Day(10, MonthConstants.APRIL, 2001), new Double(1.6167));
            t1.add(new Day(11, MonthConstants.APRIL, 2001), new Double(1.6214));