stackedbarchart3ddemo.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.]
 *
 * --------------------------
 * StackedBarChart3DDemo.java
 * --------------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: StackedBarChart3DDemo.java,v 1.16 2004/05/10 16:45:23 mungady Exp $
 *
 * Changes
 * -------
 * 05-Nov-2002 : Version 1 (DG);
 * 26-Mar-2004 : Added item labels (DG);
 *
 */

package org.jfree.chart.demo;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendRenderingOrder;
import org.jfree.chart.StandardLegend;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardCategoryLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.CategoryItemRenderer;
import org.jfree.data.CategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;

/**
 * A simple demonstration application showing how to create a stacked 3D bar chart
 * using data from a {@link CategoryDataset}.
 *
 */
public class StackedBarChart3DDemo extends ApplicationFrame {

    /**
     * Creates a new demo.
     *
     * @param title  the frame title.
     */
    public StackedBarChart3DDemo(final String title) {

        super(title);
        final CategoryDataset dataset = DemoDatasetFactory.createCategoryDataset();
        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 The chart.
     */
    private JFreeChart createChart(final CategoryDataset dataset) {

        final JFreeChart chart = ChartFactory.createStackedBarChart3D(
            "Stacked Bar Chart 3D Demo",  // chart title
            "Category",                   // domain axis label
            "Value",                      // range axis label
            dataset,                      // data
            PlotOrientation.HORIZONTAL,   // the plot orientation
            true,                         // include legend
            true,                         // tooltips
            false                         // urls
        );
        final StandardLegend legend = (StandardLegend) chart.getLegend();
        legend.setRenderingOrder(LegendRenderingOrder.REVERSE);
        final CategoryPlot plot = (CategoryPlot) chart.getPlot();
        final CategoryItemRenderer renderer = plot.getRenderer();
        renderer.setLabelGenerator(new StandardCategoryLabelGenerator());
        renderer.setItemLabelsVisible(true);
        renderer.setPositiveItemLabelPosition(
            new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)
        );
        renderer.setNegativeItemLabelPosition(
            new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)
        );
        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 StackedBarChart3DDemo demo = new StackedBarChart3DDemo("Stacked Bar Chart 3D Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}