001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     *
027     * ---------------------
028     * ContourValuePlot.java
029     * ---------------------
030     * (C) Copyright 2002-2004, by David M. O'Donnell and Contributors.
031     *
032     * Original Author:  David M. O'Donnell;
033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
034     *
035     * $Id: ContourValuePlot.java,v 1.3.2.1 2005/10/25 20:52:08 mungady Exp $
036     *
037     * Changes
038     * -------
039     * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
040     *
041     */
042    
043    package org.jfree.chart.plot;
044    
045    import org.jfree.data.Range;
046    
047    /**
048     * An interface defining methods related to contour plots.
049     *
050     * @author David M. O'Donnell
051     */
052    public interface ContourValuePlot {
053    
054        /**
055         * Returns the range of data values to be plotted.
056         *
057         * @return The range.
058         */
059        public Range getContourDataRange();
060    
061    }