WindChartDemo


1   /* ======================================
2    * JFreeChart : a free Java chart library
3    * ======================================
4    *
5    * Project Info:  http://www.jfree.org/jfreechart/index.html
6    * Project Lead:  David Gilbert (david.gilbert@object-refinery.com);
7    *
8    * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
9    *
10   * This library is free software; you can redistribute it and/or modify it under the terms
11   * of the GNU Lesser General Public License as published by the Free Software Foundation;
12   * either version 2.1 of the License, or (at your option) any later version.
13   *
14   * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15   * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16   * See the GNU Lesser General Public License for more details.
17   *
18   * You should have received a copy of the GNU Lesser General Public License along with this
19   * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20   * Boston, MA 02111-1307, USA.
21   *
22   * ------------------
23   * WindChartDemo.java
24   * ------------------
25   * (C) Copyright 2003 by Object Refinery Limited and Contributors.
26   *
27   * Original Author:  David Gilbert (for Object Refinery Limited);
28   * Contributor(s):   -;
29   *
30   * $Id: WindChartDemo.java,v 1.2 2003/11/28 10:57:36 mungady Exp $
31   *
32   * Changes
33   * -------
34   * 30-Jun-2003 : Version 1 (DG);
35   *
36   */
37  
38  package org.jfree.chart.demo;
39  
40  import java.awt.Color  ;
41  import java.awt.GradientPaint  ;
42  
43  import org.jfree.chart.ChartFactory;
44  import org.jfree.chart.ChartPanel;
45  import org.jfree.chart.JFreeChart;
46  import org.jfree.data.WindDataset;
47  import org.jfree.ui.ApplicationFrame;
48  import org.jfree.ui.RefineryUtilities;
49  
50  /**
51   * A simple demonstration application showing how to create a wind chart.
52   *
53   * @author David Gilbert
54   */
55  public class WindChartDemo extends ApplicationFrame {
56  
57      /**
58       * Creates a new demo.
59       *
60       * @param title  the frame title.
61       */
62      public WindChartDemo(String   title) {
63  
64          super(title);
65  
66          WindDataset dataset = DemoDatasetFactory.createWindDataset1();
67  
68          // create the chart...
69          JFreeChart chart = createChart(dataset);
70  
71          // add the chart to a panel...
72          ChartPanel chartPanel = new ChartPanel(chart);
73          chartPanel.setPreferredSize(new java.awt.Dimension  (500, 270));
74          setContentPane(chartPanel);
75  
76      }
77      
78      /**
79       * Creates a chart.
80       * 
81       * @param dataset  the dataset.
82       * 
83       * @return The chart.
84       */
85      private JFreeChart createChart(WindDataset dataset) {
86          
87          JFreeChart chart = ChartFactory.createWindPlot(
88              "Wind Chart Demo", 
89              "Date", 
90              "Direction / Force", 
91              dataset,
92              true,
93              false,
94              false
95          );
96  
97          // then customise it a little...
98          chart.setBackgroundPaint(new GradientPaint  (0, 0, Color.white, 1000, 0, Color.green));
99          return chart;
100         
101     }
102 
103     // ****************************************************************************
104     // * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE                          *
105     // * Please note that commercial support and documentation is available from: *
106     // *                                                                          *
107     // * http://www.object-refinery.com/jfreechart/support.html                   *
108     // *                                                                          *
109     // * This is not only a great service for developers, but is a VERY IMPORTANT *
110     // * source of funding for the JFreeChart project.  Please support us so that *
111     // * we can continue developing free software.                                *
112     // ****************************************************************************
113 
114     /**
115      * Starting point for the demonstration application.
116      *
117      * @param args  ignored.
118      */
119     public static void main(String  [] args) {
120 
121         WindChartDemo demo = new WindChartDemo("Wind Chart Demo");
122         demo.pack();
123         RefineryUtilities.centerFrameOnScreen(demo);
124         demo.setVisible(true);
125 
126     }
127 
128 }
129
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