content: /* ===========================================================
   * 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</code> or <code>false</code>.
       */
      public boolean isDateAxis(int axisNumber);
  
  }
  