plotorientationdemo2.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.]
 *
 * -------------------------
 * PlotOrientationDemo2.java
 * -------------------------
 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PlotOrientationDemo2.java,v 1.1 2004/06/03 07:58:51 mungady Exp $
 *
 * Changes
 * -------
 * 03-Jun-2004 : Version 1 (DG);
 *
 */

package org.jfree.chart.demo;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.geom.Rectangle2D;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.annotations.XYLineAnnotation;
import org.jfree.chart.annotations.XYShapeAnnotation;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.IntervalMarker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.data.XYDataset;
import org.jfree.data.XYSeries;
import org.jfree.data.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.Layer;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.Spacer;

/**
 * A demo showing eight plots with various inverted axis and plot orientation combinations.
 */
public class PlotOrientationDemo2 extends ApplicationFrame {

    /** The number of charts. */
    private static final int CHART_COUNT = 8;
    
    /** The datasets. */
    private XYDataset[] datasets = new XYDataset[CHART_COUNT];
    
    /** The charts. */
    private JFreeChart[] charts = new JFreeChart[CHART_COUNT];
    
    /** The chart panels. */
    private ChartPanel[] panels = new ChartPanel[CHART_COUNT];
    
    /**
     * Creates a new demo instance.
     * 
     * @param title  the frame title.
     */
    public PlotOrientationDemo2(String title) {

        super(title);
        JPanel panel = new JPanel(new GridLayout(2, 4));
        for (int i = 0; i < CHART_COUNT; i++) {
            this.datasets[i] = createDataset(i);
            this.charts[i] = createChart(i, this.datasets[i]);
            XYPlot plot = this.charts[i].getXYPlot();
            XYShapeAnnotation a1 = new XYShapeAnnotation(
                new Rectangle2D.Double(1.0, 2.0, 2.0, 3.0), new BasicStroke(1.0f), Color.blue
            );
            XYLineAnnotation a2 = new XYLineAnnotation(0.0, -5.0, 10.0, -5.0);

            plot.addAnnotation(a1);
            plot.addAnnotation(a2);
            plot.addDomainMarker(new IntervalMarker(5.0, 10.0), Layer.BACKGROUND);
            plot.addRangeMarker(new IntervalMarker(-2.0, 0.0), Layer.BACKGROUND);

            this.panels[i] = new ChartPanel(this.charts[i]);
        }
        this.charts[1].getXYPlot().getDomainAxis().setInverted(true);
        this.charts[2].getXYPlot().getRangeAxis().setInverted(true);
        this.charts[3].getXYPlot().getDomainAxis().setInverted(true);
        this.charts[3].getXYPlot().getRangeAxis().setInverted(true);

        this.charts[5].getXYPlot().getDomainAxis().setInverted(true);
        this.charts[6].getXYPlot().getRangeAxis().setInverted(true);
        this.charts[4].getXYPlot().getDomainAxis().setInverted(true);
        this.charts[4].getXYPlot().getRangeAxis().setInverted(true);
        
        this.charts[4].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL);
        this.charts[5].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL);
        this.charts[6].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL);
        this.charts[7].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL);

        panel.add(this.panels[0]);
        panel.add(this.panels[1]);
        panel.add(this.panels[4]);
        panel.add(this.panels[5]);
        panel.add(this.panels[2]);
        panel.add(this.panels[3]);
        panel.add(this.panels[6]);
        panel.add(this.panels[7]);

        panel.setPreferredSize(new Dimension(800, 600));
        setContentPane(panel);

    }
    
    /**
     * Creates a sample dataset.
     * 
     * @param index  the dataset index.
     * 
     * @return A dataset.
     */
    private XYDataset createDataset(int index) {
        XYSeries series1 = new XYSeries("Series " + (index + 1));
        series1.add(-10.0, -5.0);
        series1.add(10.0, 5.0);
        XYSeriesCollection dataset = new XYSeriesCollection();
        dataset.addSeries(series1);
        return dataset;
    }
    
    /**
     * Creates a sample chart.
     * 
     * @param index  the chart index.
     * @param dataset  the dataset.
     * 
     * @return A chart.
     */
    private JFreeChart createChart(int index, XYDataset dataset) {
        
        // create the chart...
        JFreeChart chart = ChartFactory.createXYLineChart(
            "Chart " + (index + 1),   // chart title
            "X",                      // x axis label
            "Y",                      // y axis label
            dataset,                  // data
            PlotOrientation.VERTICAL,
            false,                    // include legend
            false,                    // tooltips
            false                     // urls
        );

        // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
        chart.setBackgroundPaint(Color.white);
        
        // get a reference to the plot for further customisation...
        XYPlot plot = chart.getXYPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
       
        StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer();
        renderer.setPlotShapes(true);
        renderer.setShapesFilled(true);
        // change the auto tick unit selection to integer units only...
        ValueAxis domainAxis = plot.getDomainAxis();
        domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        // OPTIONAL CUSTOMISATION COMPLETED.
                
        return chart;
        
    }

    /**
     * The starting point for the demo.
     * 
     * @param args  ignored.
     */
    public static void main(String[] args) {
        PlotOrientationDemo2 demo = new PlotOrientationDemo2("Plot Orientation Demo 2");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }

}