01: /* ===========================================================
02: * JFreeChart : a free chart library for the Java(tm) platform
03: * ===========================================================
04: *
05: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jfreechart/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * -------------------------
28: * ContourPlotUtilities.java
29: * -------------------------
30: * (C) Copyright 2002-2007, by David M. O'Donnell and Contributors.
31: *
32: * Original Author: David M. O'Donnell;
33: * Contributor(s): David Gilbert (for Object Refinery Limited);
34: *
35: * $Id: ContourPlotUtilities.java,v 1.2.2.4 2007/04/04 09:07:24 mungady Exp $
36: *
37: * Changes
38: * -------
39: * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
40: * 22-Jul-2003 : Made this class abstract as there is no need to instantiate
41: * it (DG);
42: * ------------- JFREECHART 1.0.x ---------------------------------------------
43: * 31-Jan-2007 : Deprecated (DG);
44: *
45: */
46:
47: package org.jfree.chart.plot;
48:
49: import org.jfree.chart.renderer.xy.XYBlockRenderer;
50: import org.jfree.data.Range;
51: import org.jfree.data.contour.ContourDataset;
52: import org.jfree.data.contour.DefaultContourDataset;
53:
54: /**
55: * Some utility methods for the {@link ContourPlot} class.
56: *
57: * @deprecated This class is no longer supported (as of version 1.0.4). If
58: * you are creating contour plots, please try to use {@link XYPlot} and
59: * {@link XYBlockRenderer}.
60: */
61: public abstract class ContourPlotUtilities {
62:
63: /**
64: * Returns the visible z-range.
65: *
66: * @param data the dataset.
67: * @param x the x range.
68: * @param y the y range.
69: *
70: * @return The range.
71: */
72: public static Range visibleRange(ContourDataset data, Range x,
73: Range y) {
74: Range range = null;
75: range = ((DefaultContourDataset) data).getZValueRange(x, y);
76: return range;
77: }
78:
79: }
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