001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, 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: * ContourDataset.java
029: * -------------------
030: * (C) Copyright 2002-2007, 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: ContourDataset.java,v 1.2.2.5 2007/04/04 09:01:12 mungady Exp $
036: *
037: * Changes (from 23-Jan-2003)
038: * --------------------------
039: * 23-Jan-2003 : Added standard header (DG);
040: * 17-Jan-2004 : Added methods from DefaultContourDataset that are referenced
041: * by ContourPlot. See bug 741048 (DG);
042: * ------------- JFREECHART 1.0.x ---------------------------------------------
043: * 31-Jan-2007 : Deprecated (DG);
044: *
045: */
046:
047: package org.jfree.data.contour;
048:
049: import org.jfree.chart.plot.XYPlot;
050: import org.jfree.chart.renderer.xy.XYBlockRenderer;
051: import org.jfree.data.Range;
052: import org.jfree.data.xy.XYZDataset;
053:
054: /**
055: * The interface through which JFreeChart obtains data in the form of (x, y, z)
056: * items - used for XY and XYZ plots.
057: *
058: * @deprecated This interface is no longer supported (as of version 1.0.4).
059: * If you are creating contour plots, please try to use {@link XYPlot} and
060: * {@link XYBlockRenderer}.
061: */
062: public interface ContourDataset extends XYZDataset {
063:
064: /**
065: * Returns the smallest Z data value.
066: *
067: * @return The minimum Z value.
068: */
069: public double getMinZValue();
070:
071: /**
072: * Returns the largest Z data value.
073: *
074: * @return The maximum Z value.
075: */
076: public double getMaxZValue();
077:
078: /**
079: * Returns the array of Numbers representing the x data values.
080: *
081: * @return The array of x values.
082: */
083: public Number[] getXValues();
084:
085: /**
086: * Returns the array of Numbers representing the y data values.
087: *
088: * @return The array of y values.
089: */
090: public Number[] getYValues();
091:
092: /**
093: * Returns the array of Numbers representing the z data values.
094: *
095: * @return The array of z values.
096: */
097: public Number[] getZValues();
098:
099: /**
100: * Returns an int array contain the index into the x values.
101: *
102: * @return The X values.
103: */
104: public int[] indexX();
105:
106: /**
107: * Returns the index of the xvalues.
108: *
109: * @return The x values.
110: */
111: public int[] getXIndices();
112:
113: /**
114: * Returns the maximum z-value within visible region of plot.
115: *
116: * @param x the x-value.
117: * @param y the y-value.
118: *
119: * @return The maximum z-value.
120: */
121: public Range getZValueRange(Range x, Range y);
122:
123: /**
124: * Returns true if axis are dates.
125: *
126: * @param axisNumber the axis where 0-x, 1-y, and 2-z.
127: *
128: * @return <code>true</code> or <code>false</code>.
129: */
130: public boolean isDateAxis(int axisNumber);
131:
132: }
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