<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ /** * Image_Graph - PEAR PHP OO Graph Rendering Utility. * * PHP versions 4 and 5 * * LICENSE: 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., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA * * @category Images * @package Image_Graph * @subpackage Dataset * @author Jesper Veggerby <pear.nosey@veggerby.dk> * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version CVS: $Id: Sequential.php,v 1.7 2005/08/24 20:35:58 nosey Exp $ * @link http://pear.php.net/package/Image_Graph */ /** * Include file Image/Graph/Dataset/Trivial.php */ require_once 'Image/Graph/Dataset/Trivial.php'; /** * Sequential data set, simply add points (y) 1 by 1. * * This is a single point (1D) dataset, all points are of the type (0, y1), (1, * y2), (2, y3)... Where the X-value is implicitly incremented. This is useful * for example for barcharts, where you could fx. use an {@link * Image_Graph_Dataset_Array} datapreprocessor to make sence of the x-values. * * @category Images * @package Image_Graph * @subpackage Dataset * @author Jesper Veggerby <pear.nosey@veggerby.dk> * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version Release: @package_version@ * @link http://pear.php.net/package/Image_Graph */ class Image_Graph_Dataset_Sequential extends Image_Graph_Dataset_Trivial { /** * Image_Graph_SequentialDataset [Constructor] */ function Image_Graph_Dataset_Sequential($dataArray = false) { parent::Image_Graph_Dataset_Trivial(); if (is_array($dataArray)) { reset($dataArray); foreach ($dataArray as $value) { $this->addPoint($value); } } } /** * Add a point to the dataset * * @param int $y The Y value to add, can be omited * @param var $ID The ID of the point */ function addPoint($y, $ID = false) { parent::addPoint($this->count(), $y); } /** * Gets a X point from the dataset * * @param var $x The variable to return an X value from, fx in a * vector function data set * @return var The X value of the variable * @access private */ function _getPointX($x) { return ((int) $x); } /** * The minimum X value * @return var The minimum X value */ function minimumX() { return 0; } /** * The maximum X value * @return var The maximum X value */ function maximumX() { return $this->count(); } } ?>