001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, 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 * ContourPlotUtilities.java
029 * -------------------------
030 * (C) Copyright 2002-2008, 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 * Changes
036 * -------
037 * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
038 * 22-Jul-2003 : Made this class abstract as there is no need to instantiate
039 * it (DG);
040 * ------------- JFREECHART 1.0.x ---------------------------------------------
041 * 31-Jan-2007 : Deprecated (DG);
042 *
043 */
044
045 package org.jfree.chart.plot;
046
047 import org.jfree.chart.renderer.xy.XYBlockRenderer;
048 import org.jfree.data.Range;
049 import org.jfree.data.contour.ContourDataset;
050 import org.jfree.data.contour.DefaultContourDataset;
051
052 /**
053 * Some utility methods for the {@link ContourPlot} class.
054 *
055 * @deprecated This class is no longer supported (as of version 1.0.4). If
056 * you are creating contour plots, please try to use {@link XYPlot} and
057 * {@link XYBlockRenderer}.
058 */
059 public abstract class ContourPlotUtilities {
060
061 /**
062 * Returns the visible z-range.
063 *
064 * @param data the dataset.
065 * @param x the x range.
066 * @param y the y range.
067 *
068 * @return The range.
069 */
070 public static Range visibleRange(ContourDataset data, Range x, Range y) {
071 Range range = null;
072 range = ((DefaultContourDataset) data).getZValueRange(x, y);
073 return range;
074 }
075
076 }