xyareachartdemo.java

这是一个segy数据显示程序

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * --------------------
 * XYAreaChartDemo.java
 * --------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: XYAreaChartDemo.java,v 1.8 2004/04/26 19:12:04 taqua Exp $
 *
 * Changes
 * -------
 * 03-Apr-2002 : Version 1 (DG);
 * 09-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 * 10-Oct-2002 : Renamed AreaChartDemo --> AreaXYChartDemo (DG);
 * 10-Jun-2003 : Modified to handle plot orientation (DG);
 * 31-Jul-2003 : Renamed AreaXYChartDemo --> XYAreaChartDemo (DG);
 *
 */

package org.jfree.chart.demo;

import java.awt.Color;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.XYDataset;
import org.jfree.data.XYSeries;
import org.jfree.data.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A simple demonstration application showing how to create an area chart.
 *
 */
public class XYAreaChartDemo extends ApplicationFrame {

    /**
     * Creates a new demo.
     *
     * @param title  the frame title.
     */
    public XYAreaChartDemo(final String title) {

        super(title);

        final XYSeries series1 = new XYSeries("Random 1");
        series1.add(new Integer(1), new Double(500.2));
        series1.add(new Integer(2), new Double(694.1));
        series1.add(new Integer(3), new Double(-734.4));
        series1.add(new Integer(4), new Double(453.2));
        series1.add(new Integer(5), new Double(500.2));
        series1.add(new Integer(6), new Double(300.7));
        series1.add(new Integer(7), new Double(734.4));
        series1.add(new Integer(8), new Double(453.2));

        final XYSeries series2 = new XYSeries("Random 2");
        series2.add(new Integer(1), new Double(700.2));
        series2.add(new Integer(2), new Double(534.1));
        series2.add(new Integer(3), new Double(323.4));
        series2.add(new Integer(4), new Double(125.2));
        series2.add(new Integer(5), new Double(653.2));
        series2.add(new Integer(6), new Double(432.7));
        series2.add(new Integer(7), new Double(564.4));
        series2.add(new Integer(8), new Double(322.2));

        final XYSeriesCollection dataset = new XYSeriesCollection(series1);
        dataset.addSeries(series2);
        
        final JFreeChart chart = createChart(dataset);
        
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);

    }

    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return A chart.
     */
    private JFreeChart createChart(final XYDataset dataset) {
            
        final JFreeChart chart = ChartFactory.createXYAreaChart(
            "XY Area Chart Demo",
            "Domain (X)", "Range (Y)",
            dataset,
            PlotOrientation.VERTICAL,
            true,  // legend
            true,  // tool tips
            false  // URLs
        );
        
        chart.setBackgroundPaint(Color.white);
        
        final XYPlot plot = chart.getXYPlot();
        //plot.setOutlinePaint(Color.black);
        plot.setBackgroundPaint(Color.lightGray);
        plot.setForegroundAlpha(0.65f);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        
        final ValueAxis domainAxis = plot.getDomainAxis();
        domainAxis.setTickMarkPaint(Color.black);
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.0);
        
        final ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setTickMarkPaint(Color.black);
        
        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 XYAreaChartDemo demo = new XYAreaChartDemo("XY Area Chart Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}