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+<?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: $Id$
+ * @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();
+ }
+
+}
+
+?> \ No newline at end of file