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Java > Open Source Codes > org > jfree > chart > demo > XYSeriesDemo2


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  * XYSeriesDemo2.java
24  * ------------------
25  * (C) Copyright 2002, 2003, by Object Refinery Limited and Contributors.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): -;
29  *
30  * $Id: XYSeriesDemo2.java,v 1.7 2003/11/28 10:57:36 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 01-Oct-2002 : Version 1 (DG);
35  *
36  */
37
38 package org.jfree.chart.demo;
39
40 import org.jfree.chart.ChartFactory;
41 import org.jfree.chart.ChartPanel;
42 import org.jfree.chart.JFreeChart;
43 import org.jfree.chart.axis.NumberAxis;
44 import org.jfree.chart.plot.PlotOrientation;
45 import org.jfree.chart.plot.XYPlot;
46 import org.jfree.data.XYSeries;
47 import org.jfree.data.XYSeriesCollection;
48 import org.jfree.ui.ApplicationFrame;
49 import org.jfree.ui.RefineryUtilities;
50
51 /**
52  * Demo for {@link XYSeries}, where all the y values are the same.
53  *
54  * @author David Gilbert
55  */
56 public class XYSeriesDemo2 extends ApplicationFrame {
57
58     /**
59      * A demonstration application showing an {@link XYSeries} where all the y-values are the same.
60      *
61      * @param title the frame title.
62      */
63     public XYSeriesDemo2(String JavaDoc title) {
64
65         super(title);
66         XYSeries series = new XYSeries("Flat Data");
67         series.add(1.0, 100.0);
68         series.add(5.0, 100.0);
69         series.add(4.0, 100.0);
70         series.add(12.5, 100.0);
71         series.add(17.3, 100.0);
72         series.add(21.2, 100.0);
73         series.add(21.9, 100.0);
74         series.add(25.6, 100.0);
75         series.add(30.0, 100.0);
76         XYSeriesCollection data = new XYSeriesCollection(series);
77         JFreeChart chart = ChartFactory.createXYLineChart(
78             "XY Series Demo 2",
79             "X",
80             "Y",
81             data,
82             PlotOrientation.VERTICAL,
83             true,
84             true,
85             false
86         );
87
88         XYPlot plot = (XYPlot) chart.getPlot();
89         NumberAxis axis = (NumberAxis) plot.getRangeAxis();
90         axis.setAutoRangeIncludesZero(false);
91         axis.setAutoRangeMinimumSize(1.0);
92         ChartPanel chartPanel = new ChartPanel(chart);
93         chartPanel.setPreferredSize(new java.awt.Dimension JavaDoc(500, 270));
94         setContentPane(chartPanel);
95
96     }
97
98     // ****************************************************************************
99 // * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE *
100 // * Please note that commercial support and documentation is available from: *
101 // * *
102 // * http://www.object-refinery.com/jfreechart/support.html *
103 // * *
104 // * This is not only a great service for developers, but is a VERY IMPORTANT *
105 // * source of funding for the JFreeChart project. Please support us so that *
106 // * we can continue developing free software. *
107 // ****************************************************************************
108
109     /**
110      * Starting point for the demonstration application.
111      *
112      * @param args ignored.
113      */
114     public static void main(String JavaDoc[] args) {
115
116         XYSeriesDemo2 demo = new XYSeriesDemo2("XY Series Demo 2");
117         demo.pack();
118         RefineryUtilities.centerFrameOnScreen(demo);
119         demo.setVisible(true);
120
121     }
122
123 }
124
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