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JFreeChart: Box And Whisker Demo
/* ===========================================================
* 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.]
*
* ----------------------
* BoxAndWhiskerDemo.java
* ----------------------
* (C) Copyright 2003, 2004, by David Browning and Contributors.
*
* Original Author: David Browning (for the Australian Institute of Marine Science);
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: BoxAndWhiskerDemo.java,v 1.12 2004/06/02 14:35:42 mungady Exp $
*
* Changes
* -------
* 21-Aug-2003 : Version 1, contributed by David Browning (for the Australian Institute of
* Marine Science);
* 27-Aug-2003 : Renamed BoxAndWhiskerCategoryDemo --> BoxAndWhiskerDemo, moved dataset creation
* into the demo (DG);
*
*/
package org.jfree.chart.demo;
import java.awt.Font;
import java.util.ArrayList;
import java.util.List;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.BoxAndWhiskerToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer;
import org.jfree.data.statistics.BoxAndWhiskerCategoryDataset;
import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.util.Log;
import org.jfree.util.LogContext;
/**
* Demonstration of a box-and-whisker chart using a {@link CategoryPlot}.
*
* @author David Browning
*/
public class BoxAndWhiskerDemo extends ApplicationFrame {
/** Access to logging facilities. */
private static final LogContext LOGGER = Log.createContext(BoxAndWhiskerDemo.class);
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public BoxAndWhiskerDemo(final String title) {
super(title);
final BoxAndWhiskerCategoryDataset dataset = createSampleDataset();
final CategoryAxis xAxis = new CategoryAxis("Type");
final NumberAxis yAxis = new NumberAxis("Value");
yAxis.setAutoRangeIncludesZero(false);
final BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
renderer.setFillBox(false);
renderer.setToolTipGenerator(new BoxAndWhiskerToolTipGenerator());
final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);
final JFreeChart chart = new JFreeChart(
"Box-and-Whisker Demo",
new Font("SansSerif", Font.BOLD, 14),
plot,
true
);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(450, 270));
setContentPane(chartPanel);
}
/**
* Creates a sample dataset.
*
* @return A sample dataset.
*/
private BoxAndWhiskerCategoryDataset createSampleDataset() {
final int seriesCount = 3;
final int categoryCount = 4;
final int entityCount = 22;
final DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
for (int i = 0; i < seriesCount; i++) {
for (int j = 0; j < categoryCount; j++) {
final List list = new ArrayList();
// add some values...
for (int k = 0; k < entityCount; k++) {
final double value1 = 10.0 + Math.random() * 3;
list.add(new Double(value1));
final double value2 = 11.25 + Math.random(); // concentrate values in the middle
list.add(new Double(value2));
}
LOGGER.debug("Adding series " + i);
LOGGER.debug(list.toString());
dataset.add(list, "Series " + i, " Type " + j);
}
}
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.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. *
// ****************************************************************************
/**
* For testing from the command line.
*
* @param args ignored.
*/
public static void main(final String[] args) {
//Log.getInstance().addTarget(new PrintStreamLogTarget(System.out));
final BoxAndWhiskerDemo demo = new BoxAndWhiskerDemo("Box-and-Whisker Chart Demo");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
