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jfreechart example source code file (ContourDataset.java)

This example jfreechart source code file (ContourDataset.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

contourdataset, contourdataset, number, number, range, range, xyzdataset, xyzdataset

The jfreechart ContourDataset.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------
 * ContourDataset.java
 * -------------------
 * (C) Copyright 2002-2008, by David M. O'Donnell and Contributors.
 *
 * Original Author:  David M. O'Donnell;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes (from 23-Jan-2003)
 * --------------------------
 * 23-Jan-2003 : Added standard header (DG);
 * 17-Jan-2004 : Added methods from DefaultContourDataset that are referenced
 *               by ContourPlot.  See bug 741048 (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 31-Jan-2007 : Deprecated (DG);
 *
 */

package org.jfree.data.contour;

import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYBlockRenderer;
import org.jfree.data.Range;
import org.jfree.data.xy.XYZDataset;

/**
 * The interface through which JFreeChart obtains data in the form of (x, y, z)
 * items - used for XY and XYZ plots.
 *
 * @deprecated This interface is no longer supported (as of version 1.0.4).
 *     If you are creating contour plots, please try to use {@link XYPlot} and
 *     {@link XYBlockRenderer}.
 */
public interface ContourDataset extends XYZDataset {

    /**
     * Returns the smallest Z data value.
     *
     * @return The minimum Z value.
     */
    public double getMinZValue();

    /**
     * Returns the largest Z data value.
     *
     * @return The maximum Z value.
     */
    public double getMaxZValue();

    /**
     * Returns the array of Numbers representing the x data values.
     *
     * @return The array of x values.
     */
    public Number[] getXValues();

    /**
     * Returns the array of Numbers representing the y data values.
     *
     * @return The array of y values.
     */
    public Number[] getYValues();

    /**
     * Returns the array of Numbers representing the z data values.
     *
     * @return The array of z values.
     */
    public Number[] getZValues();

    /**
     * Returns an int array contain the index into the x values.
     *
     * @return The X values.
     */
    public int[] indexX();

    /**
     * Returns the index of the xvalues.
     *
     * @return The x values.
     */
    public int[] getXIndices();

    /**
     * Returns the maximum z-value within visible region of plot.
     *
     * @param x  the x-value.
     * @param y  the y-value.
     *
     * @return The maximum z-value.
     */
    public Range getZValueRange(Range x, Range y);

    /**
     * Returns true if axis are dates.
     *
     * @param axisNumber  the axis where 0-x, 1-y, and 2-z.
     *
     * @return <code>true or false.
     */
    public boolean isDateAxis(int axisNumber);

}

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