001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, 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 * WindDataset.java 029 * ---------------- 030 * (C) Copyright 2001-2004, by Achilleus Mantzios and Contributors. 031 * 032 * Original Author: Achilleus Mantzios; 033 * Contributor(s): David Gilbert (for Object Refinery Limited); 034 * 035 * $Id: WindDataset.java,v 1.2.2.1 2005/10/25 21:36:51 mungady Exp $ 036 * 037 * Changes 038 * ------- 039 * 06-Feb-2002 : Version 1, based on code contributed by Achilleus 040 * Mantzios (DG); 041 * 042 */ 043 044 package org.jfree.data.xy; 045 046 047 /** 048 * Interface for a dataset that supplies wind intensity and direction values 049 * observed at various points in time. 050 * 051 * @author Achilleus Mantzios 052 */ 053 public interface WindDataset extends XYDataset { 054 055 /** 056 * Returns the wind direction (should be in the range 0 to 12). 057 * 058 * @param series The series (zero-based index). 059 * @param item The item (zero-based index). 060 * @return The wind direction. 061 */ 062 public Number getWindDirection(int series, int item); 063 064 /** 065 * Returns the wind force on the Beaufort scale (0 to 12). 066 * 067 * @param series The series (zero-based index). 068 * @param item The item (zero-based index). 069 * @return The wind force. 070 */ 071 public Number getWindForce(int series, int item); 072 073 }