114 lines
3.3 KiB
PHP
114 lines
3.3 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Image_Graph - PEAR PHP OO Graph Rendering Utility.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version. This library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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* General Public License for more details. You should have received a copy of
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* the GNU Lesser General Public License along with this library; if not, write
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* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Dataset
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: Sequential.php,v 1.7 2005/08/24 20:35:58 nosey Exp $
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* @link http://pear.php.net/package/Image_Graph
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*/
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/**
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* Include file Image/Graph/Dataset/Trivial.php
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*/
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require_once 'Image/Graph/Dataset/Trivial.php';
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/**
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* Sequential data set, simply add points (y) 1 by 1.
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*
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* This is a single point (1D) dataset, all points are of the type (0, y1), (1,
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* y2), (2, y3)... Where the X-value is implicitly incremented. This is useful
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* for example for barcharts, where you could fx. use an {@link
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* Image_Graph_Dataset_Array} datapreprocessor to make sence of the x-values.
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Dataset
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version Release: @package_version@
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* @link http://pear.php.net/package/Image_Graph
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*/
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class Image_Graph_Dataset_Sequential extends Image_Graph_Dataset_Trivial
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{
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/**
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* Image_Graph_SequentialDataset [Constructor]
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*/
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function Image_Graph_Dataset_Sequential($dataArray = false)
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{
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parent::Image_Graph_Dataset_Trivial();
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if (is_array($dataArray)) {
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reset($dataArray);
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foreach ($dataArray as $value) {
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$this->addPoint($value);
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}
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}
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}
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/**
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* Add a point to the dataset
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*
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* @param int $y The Y value to add, can be omited
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* @param var $ID The ID of the point
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*/
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function addPoint($y, $ID = false)
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{
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parent::addPoint($this->count(), $y);
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}
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/**
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* Gets a X point from the dataset
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*
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* @param var $x The variable to return an X value from, fx in a
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* vector function data set
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* @return var The X value of the variable
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* @access private
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*/
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function _getPointX($x)
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{
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return ((int) $x);
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}
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/**
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* The minimum X value
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* @return var The minimum X value
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*/
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function minimumX()
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{
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return 0;
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}
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/**
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* The maximum X value
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* @return var The maximum X value
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*/
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function maximumX()
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{
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return $this->count();
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}
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}
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?>
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