Java/Chart/Wind Chart

JFreeChart: Wind Chart Demo

   <source lang="java">

/* ===========================================================

* 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.]
*
* ------------------
* WindChartDemo.java
* ------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: WindChartDemo.java,v 1.7 2004/04/26 19:12:04 taqua Exp $
*
* Changes
* -------
* 30-Jun-2003 : Version 1 (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import java.awt.GradientPaint; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.data.xy.WindDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* A simple demonstration application showing how to create a wind chart.
*
*/

public class WindChartDemo extends ApplicationFrame {

   /**
    * Creates a new demo.
    *
    * @param title  the frame title.
    */
   public WindChartDemo(final String title) {
       super(title);
       final WindDataset dataset = DemoDatasetFactory.createWindDataset1();
       // create the chart...
       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);
   }
   
   /**
    * Creates a chart.
    * 
    * @param dataset  the dataset.
    * 
    * @return The chart.
    */
   private JFreeChart createChart(final WindDataset dataset) {
       
       final JFreeChart chart = ChartFactory.createWindPlot(
           "Wind Chart Demo", 
           "Date", 
           "Direction / Force", 
           dataset,
           true,
           false,
           false
       );
       // then customise it a little...
       chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));
       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.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) {
       final WindChartDemo demo = new WindChartDemo("Wind Chart Demo");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}

      </source>