Java/Chart/Pie Chart

JFreeChart: Pie Chart Demo 1

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, 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.]
 *
 * ------------------
 * PieChartDemo1.java
 * ------------------
 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   ;
 *
 * $Id: PieChartDemo1.java,v 1.2 2005/03/28 19:38:45 mungady Exp $
 *
 * Changes
 * -------
 * 09-Mar-2005 : Version 1, copied from the demo collection that ships with
 *               the JFreeChart Developer Guide (DG);
 *
 */
package org.jfree.chart.demo;
import java.awt.Font;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
 * A simple demonstration application showing how to create a pie chart using 
 * data from a {@link DefaultPieDataset}.
 */
public class PieChartDemo1 extends ApplicationFrame {
    /**
     * Default constructor.
     *
     * @param title  the frame title.
     */
    public PieChartDemo1(String title) {
        super(title);
        setContentPane(createDemoPanel());
    }
    /**
     * Creates a sample dataset.
     * 
     * @return A sample dataset.
     */
    private static PieDataset createDataset() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("One", new Double(43.2));
        dataset.setValue("Two", new Double(10.0));
        dataset.setValue("Three", new Double(27.5));
        dataset.setValue("Four", new Double(17.5));
        dataset.setValue("Five", new Double(11.0));
        dataset.setValue("Six", new Double(19.4));
        return dataset;        
    }
    
    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return A chart.
     */
    private static JFreeChart createChart(PieDataset dataset) {
        
        JFreeChart chart = ChartFactory.createPieChart(
            "Pie Chart Demo 1",  // chart title
            dataset,             // data
            true,               // include legend
            true,
            false
        );
        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLabelFont(new Font("SansSerif", Font.PLAIN, 12));
        plot.setNoDataMessage("No data available");
        plot.setCircular(false);
        plot.setLabelGap(0.02);
        return chart;
        
    }
    
    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     * 
     * @return A panel.
     */
    public static JPanel createDemoPanel() {
        JFreeChart chart = createChart(createDataset());
        return new ChartPanel(chart);
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {
        PieChartDemo1 demo = new PieChartDemo1("Pie Chart Demo 1");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
}

JFreeChart: Pie Chart Demo 2

/* ===========================================================
 * 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.]
 *
 * ------------------
 * PieChartDemo2.java
 * ------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PieChartDemo2.java,v 1.13 2004/04/26 19:12:00 taqua Exp $
 *
 * Changes
 * -------
 * 05-Feb-2003 : Version 1 (DG);
 * 10-Mar-2004 : Updated for rewritten pie chart classes (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.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
 * A simple demonstration application showing how to create a pie chart using data from a
 * {@link DefaultPieDataset}.  This demo also shows an "exploded" section in the chart.
 *
 */
public class PieChartDemo2 extends ApplicationFrame {
    /**
     * Default constructor.
     *
     * @param title  the frame title.
     */
    public PieChartDemo2(final String title) {
        super(title);
        final PieDataset dataset = createDataset();
        final JFreeChart chart = createChart(dataset);
        // add the chart to a panel...
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);
    }
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.ru/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    private PieDataset createDataset() {
        final DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("One", new Double(43.2));
        dataset.setValue("Two", new Double(10.0));
        dataset.setValue("Three", new Double(27.5));
        dataset.setValue("Four", new Double(17.5));
        dataset.setValue("Five", new Double(11.0));
        dataset.setValue("Six", new Double(19.4));
        return dataset;
    }
    
    /**
     * Creates a sample chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return a chart.
     */
    private JFreeChart createChart(final PieDataset dataset) {
        final JFreeChart chart = ChartFactory.createPieChart(
            "Pie Chart Demo 2",  // chart title
            dataset,             // dataset
            true,                // include legend
            true,
            false
        );
        final PiePlot plot = (PiePlot) chart.getPlot();
        plot.setNoDataMessage("No data available");
        plot.setExplodePercent(1, 0.30);
        return chart;
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {
        final PieChartDemo2 demo = new PieChartDemo2("Pie Chart Demo 2");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
}

JFreeChart: Pie Chart Demo 4

/* ===========================================================
 * 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.]
 *
 * ------------------
 * PieChartDemo4.java
 * ------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PieChartDemo4.java,v 1.21 2004/06/03 15:05:10 mungady Exp $
 *
 * Changes
 * -------
 * 11-Feb-2003 : Version 1 (DG);
 *
 */
package org.jfree.chart.demo;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.NumberFormat;
import javax.swing.Timer;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardPieItemLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.util.Log;
import org.jfree.util.PrintStreamLogTarget;
/**
 * A simple demonstration application showing how to create a pie chart using data from a
 * {@link DefaultPieDataset}.  This chart has a lot of labels and rotates, so it is useful for
 * testing the label distribution algorithm.
 */
public class PieChartDemo4 extends ApplicationFrame {
    /**
     * Default constructor.
     *
     * @param title  the frame title.
     */
    public PieChartDemo4(final String title) {
        super(title);
        final PieDataset dataset = createDataset(14);
        // create the chart...
        final JFreeChart chart = ChartFactory.createPieChart(
            "Pie Chart Demo 4",  // chart title
            dataset,             // dataset
            false,               // include legend
            true,
            false
        );
        // set the background color for the chart...
        chart.setBackgroundPaint(new Color(222, 222, 255));
        final PiePlot plot = (PiePlot) chart.getPlot();
        plot.setBackgroundPaint(Color.white);
        plot.setCircular(true);
        plot.setLabelGenerator(new StandardPieItemLabelGenerator(
            "{0} = {2}", NumberFormat.getNumberInstance(), NumberFormat.getPercentInstance()
        ));
        plot.setNoDataMessage("No data available");
        // add the chart to a panel...
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);
        
        final Rotator rotator = new Rotator(plot);
        rotator.start();
    }
    /**
     * Creates a sample dataset.
     * 
     * @param sections  the number of sections.
     * 
     * @return A sample dataset.
     */
    private PieDataset createDataset(final int sections) {
        final DefaultPieDataset result = new DefaultPieDataset();
        for (int i = 0; i < sections; i++) {
            final double value = 100.0 * Math.random();
            result.setValue("Section " + i, value);
        }
        return result;
    }
    
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.ru/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) {
        Log.getInstance().addTarget(new PrintStreamLogTarget());
        final PieChartDemo4 demo = new PieChartDemo4("Pie Chart Demo 4");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
    /**
     * The rotator.
     *
     */
    static class Rotator extends Timer implements ActionListener {
        /** The plot. */
        private PiePlot plot;
        /** The angle. */
        private int angle = 270;
        /**
         * Constructor.
         *
         * @param plot  the plot.
         */
        Rotator(final PiePlot plot) {
            super(100, null);
            this.plot = plot;
            addActionListener(this);
        }
        /**
         * Modifies the starting angle.
         *
         * @param event  the action event.
         */
        public void actionPerformed(final ActionEvent event) {
            this.plot.setStartAngle(angle);
            this.angle = this.angle + 1;
            if (this.angle == 360) {
                this.angle = 0;
            }
        }
    }
}

JFreeChart: Pie Chart Demo 5

/* ===========================================================
 * 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.]
 *
 * ------------------
 * PieChartDemo5.java
 * ------------------
 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PieChartDemo5.java,v 1.2 2004/04/26 19:12:00 taqua Exp $
 *
 * Changes
 * -------
 * 31-Mar-2004 : Version 1 (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.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
 * A pie chart with no section labels.
 */
public class PieChartDemo5 extends ApplicationFrame {
    /**
     * Creates a new demo instance.
     *
     * @param title  the frame title.
     */
    public PieChartDemo5(final String title) {
        super(title);
        final PieDataset dataset = createDataset();
        final JFreeChart chart = createChart(dataset);
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);
    }
    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    private PieDataset createDataset() {
        final DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("One", new Double(43.2));
        dataset.setValue("Two", new Double(10.0));
        dataset.setValue("Three", new Double(27.5));
        dataset.setValue("Four", new Double(17.5));
        dataset.setValue("Five", new Double(11.0));
        dataset.setValue("Six", new Double(19.4));
        return dataset;        
    }
    
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.ru/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return a chart.
     */
    private JFreeChart createChart(final PieDataset dataset) {
        
        final JFreeChart chart = ChartFactory.createPieChart(
            "Pie Chart Demo 5",  // chart title
            dataset,             // data
            false,               // include legend
            true,
            false
        );
        final PiePlot plot = (PiePlot) chart.getPlot();
        plot.setInteriorGap(0.0);
        plot.setLabelGenerator(null);
        return chart;
        
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {
        final PieChartDemo5 demo = new PieChartDemo5("Pie Chart Demo 5");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
}

JFreeChart: Pie Chart Demo 6

/* ===========================================================
 * 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.]
 *
 * ------------------
 * PieChartDemo6.java
 * ------------------
 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PieChartDemo6.java,v 1.3 2004/04/26 19:12:00 taqua Exp $
 *
 * Changes
 * -------
 * 31-Mar-2004 : Version 1 (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.labels.PieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
 * A pie chart with a custom label generator.
 */
public class PieChartDemo6 extends ApplicationFrame {
    /**
     * Creates a new demo instance.
     *
     * @param title  the frame title.
     */
    public PieChartDemo6(final String title) {
        super(title);
        final PieDataset dataset = createDataset();
        final JFreeChart chart = createChart(dataset);
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);
    }
    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    private PieDataset createDataset() {
        final DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("One", new Double(43.2));
        dataset.setValue("Two", new Double(10.0));
        dataset.setValue("Three", new Double(27.5));
        dataset.setValue("Four", new Double(17.5));
        dataset.setValue("Five", new Double(11.0));
        dataset.setValue("Six", new Double(19.4));
        return dataset;        
    }
    
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.ru/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return a chart.
     */
    private JFreeChart createChart(final PieDataset dataset) {
        
        final JFreeChart chart = ChartFactory.createPieChart(
            "Pie Chart Demo 6",  // chart title
            dataset,             // data
            false,               // include legend
            true,
            false
        );
        final PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLabelGenerator(new CustomLabelGenerator());
        return chart;
        
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {
        final PieChartDemo6 demo = new PieChartDemo6("Pie Chart Demo 6");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
    
    /**
     * A custom label generator (returns null for one item as a test).
     */
    static class CustomLabelGenerator implements PieSectionLabelGenerator {
        
        /**
         * Generates a label for a pie section.
         * 
         * @param dataset  the dataset (<code>null</code> not permitted).
         * @param key  the section key (<code>null</code> not permitted).
         * 
         * @return the label (possibly <code>null</code>).
         */
        public String generateSectionLabel(final PieDataset dataset, final Comparable key) {
            String result = null;    
            if (dataset != null) {
                if (!key.equals("Two")) {
                    result = key.toString();   
                }
            }
            return result;
        }
   
    }
}

JFreeChart: Pie Chart Demo 7

/* ===========================================================
 * 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.]
 *
 * ------------------
 * PieChartDemo7.java
 * ------------------
 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PieChartDemo7.java,v 1.1 2004/05/26 13:02:03 mungady Exp $
 *
 * Changes
 * -------
 * 25-May-2004 : Version 1 (DG);
 *
 */
package org.jfree.chart.demo;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
 * A demo showing four pie charts.
 */
public class PieChartDemo7 extends ApplicationFrame {
    /**
     * Creates a new demo instance.
     * 
     * @param title  the frame title.
     */
    public PieChartDemo7(String title) {
        super(title);
        JPanel panel = new JPanel(new GridLayout(2, 2));
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("Section 1", 23.3);
        dataset.setValue("Section 2", 56.5);
        dataset.setValue("Section 3", 43.3);
        dataset.setValue("Section 4", 11.1);
        
        JFreeChart chart1 = ChartFactory.createPieChart("Chart 1", dataset, false, false, false);
        JFreeChart chart2 = ChartFactory.createPieChart("Chart 2", dataset, false, false, false);
        PiePlot plot2 = (PiePlot) chart2.getPlot();
        plot2.setCircular(false);
        JFreeChart chart3 = ChartFactory.createPieChart3D("Chart 3", dataset, false, false, false);
        PiePlot3D plot3 = (PiePlot3D) chart3.getPlot();
        plot3.setForegroundAlpha(0.6f);
        plot3.setCircular(true);
        JFreeChart chart4 = ChartFactory.createPieChart3D("Chart 4", dataset, false, false, false);
        PiePlot3D plot4 = (PiePlot3D) chart4.getPlot();
        plot4.setForegroundAlpha(0.6f);
        panel.add(new ChartPanel(chart1));
        panel.add(new ChartPanel(chart2));
        panel.add(new ChartPanel(chart3));
        panel.add(new ChartPanel(chart4));
        panel.setPreferredSize(new Dimension(800, 600));
        setContentPane(panel);
    }
    /**
     * The starting point for the demo.
     * 
     * @param args  ignored.
     */
    public static void main(String[] args) {
        PieChartDemo7 demo = new PieChartDemo7("Pie Chart Demo 7");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }
}