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Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Dataset.php')
-rw-r--r-- | config/archive/dspam/pear/Image/Graph/Dataset.php | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Dataset.php b/config/archive/dspam/pear/Image/Graph/Dataset.php deleted file mode 100644 index 4c349980..00000000 --- a/config/archive/dspam/pear/Image/Graph/Dataset.php +++ /dev/null @@ -1,483 +0,0 @@ -<?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 - */ - - -/** - * Data set used to represent a data collection to plot in a chart - * - * @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 - * @abstract - */ -class Image_Graph_Dataset -{ - - /** - * The pointer of the data set - * @var int - * @access private - */ - var $_posX = 0; - - /** - * The minimum X value of the dataset - * @var int - * @access private - */ - var $_minimumX = 0; - - /** - * The maximum X value of the dataset - * @var int - * @access private - */ - var $_maximumX = 0; - - /** - * The minimum Y value of the dataset - * @var int - * @access private - */ - var $_minimumY = 0; - - /** - * The maximum Y value of the dataset - * @var int - * @access private - */ - var $_maximumY = 0; - - /** - * The number of points in the dataset - * @var int - * @access private - */ - var $_count = 0; - - /** - * The name of the dataset, used for legending - * @var string - * @access private - */ - var $_name = ''; - - /** - * Image_Graph_Dataset [Constructor] - */ - function Image_Graph_Dataset() - { - } - - /** - * Sets the name of the data set, used for legending - * - * @param string $name The name of the dataset - */ - function setName($name) - { - $this->_name = $name; - } - - /** - * Add a point to the dataset - * - * $ID can contain either the ID of the point, i.e. 'DK', 123, 'George', etc. or it can contain - * values used for creation of the HTML image map. This is achieved using is an an associated array - * with the following values: - * - * 'url' The URL to create the link to - * - * 'alt' [optional] The alt text on the link - * - * 'target' [optional] The target of the link - * - * 'htmltags' [optional] An associated array with html tags (tag as key), fx. 'onMouseOver' => 'history.go(-1);', 'id' => 'thelink' - * - * @param int $x The X value to add - * @param int $y The Y value to add, can be omited - * @param var $ID The ID of the point - */ - function addPoint($x, $y = false, $ID = false) - { - if ($y !== null) { - if (is_array($y)) { - $maxY = max($y); - $minY = min($y); - } else { - $maxY = $y; - $minY = $y; - } - } - - if ($this->_count) { - $this->_minimumX = min($x, $this->_minimumX); - $this->_maximumX = max($x, $this->_maximumX); - if ($y !== null) { - $this->_minimumY = min($minY, $this->_minimumY); - $this->_maximumY = max($maxY, $this->_maximumY); - } - } else { - $this->_minimumX = $x; - $this->_maximumX = $x; - if ($y !== null) { - $this->_minimumY = $minY; - $this->_maximumY = $maxY; - } - } - - $this->_count++; - } - - /** - * The number of values in the dataset - * - * @return int The number of values in the dataset - */ - function count() - { - return $this->_count; - } - - /** - * 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 $x; - } - - /** - * Gets a Y point from the dataset - * - * @param var $x The variable to return an Y value from, fx in a vector - * function data set - * @return var The Y value of the variable - * @access private - */ - function _getPointY($x) - { - return $x; - } - - /** - * Gets a ID from the dataset - * - * @param var $x The variable to return an Y value from, fx in a vector - * function data set - * @return var The ID value of the variable - * @access private - */ - function _getPointID($x) - { - return false; - } - - /** - * Gets point data from the dataset - * - * @param var $x The variable to return an Y value from, fx in a vector - * function data set - * @return array The data for the point - * @access private - */ - function _getPointData($x) - { - return false; - } - - /** - * The minimum X value - * - * @return var The minimum X value - */ - function minimumX() - { - return $this->_minimumX; - } - - /** - * The maximum X value - * - * @return var The maximum X value - */ - function maximumX() - { - return $this->_maximumX; - } - - /** - * The minimum Y value - * - * @return var The minimum Y value - */ - function minimumY() - { - return $this->_minimumY; - } - - /** - * The maximum Y value - * - * @return var The maximum Y value - */ - function maximumY() - { - return $this->_maximumY; - } - - /** - * The first point - * - * @return array The last point - */ - function first() - { - return array('X' => $this->minimumX(), 'Y' => $this->minimumY()); - } - - /** - * The last point - * - * @return array The first point - */ - function last() - { - return array('X' => $this->maximumX(), 'Y' => $this->maximumY()); - } - - /** - * The minimum X value - * - * @param var $value The minimum X value - * @access private - */ - function _setMinimumX($value) - { - $this->_minimumX = $value; - } - - /** - * The maximum X value - * - * @param var $value The maximum X value - * @access private - */ - function _setMaximumX($value) - { - $this->_maximumX = $value; - } - - /** - * The minimum Y value - * - * @param var $value The minimum X value - * @access private - */ - function _setMinimumY($value) - { - $this->_minimumY = $value; - } - - /** - * The maximum Y value - * - * @param var $value The maximum X value - * @access private - */ - function _setMaximumY($value) - { - $this->_maximumY = $value; - } - - /** - * The interval between 2 adjacent X values - * - * @return var The interval - * @access private - */ - function _stepX() - { - return 1; - } - - /** - * The interval between 2 adjacent Y values - * - * @return var The interval - * @access private - */ - function _stepY() - { - return 1; - } - - /** - * Reset the intertal dataset pointer - * - * @return var The first X value - * @access private - */ - function _reset() - { - $this->_posX = $this->_minimumX; - return $this->_posX; - } - - /** - * Get a point close to the internal pointer - * - * @param int Step Number of points next to the internal pointer, negative - * Step is towards lower X values, positive towards higher X values - * @return array The point - * @access private - */ - function _nearby($step = 0) - { - $x = $this->_getPointX($this->_posX + $this->_stepX() * $step); - $y = $this->_getPointY($this->_posX + $this->_stepX() * $step); - $ID = $this->_getPointID($this->_posX + $this->_stepX() * $step); - $data = $this->_getPointData($this->_posX + $this->_stepX() * $step); - if (($x === false) || ($y === false)) { - return false; - } else { - return array ('X' => $x, 'Y' => $y, 'ID' => $ID, 'data' => $data); - } - } - - /** - * Get the next point the internal pointer refers to and advance the pointer - * - * @return array The next point - * @access private - */ - function _next() - { - if ($this->_posX > $this->_maximumX) { - return false; - } - - $x = $this->_getPointX($this->_posX); - $y = $this->_getPointY($this->_posX); - $ID = $this->_getPointID($this->_posX); - $data = $this->_getPointData($this->_posX); - $this->_posX += $this->_stepX(); - - return array ('X' => $x, 'Y' => $y, 'ID' => $ID, 'data' => $data); - } - - /** - * Get the average of the dataset's Y points - * - * @return var The Y-average across the dataset - * @access private - */ - function _averageY() - { - $posX = $this->_minimumX; - $count = 0; - $total = 0; - while ($posX < $this->_maximumX) { - $count ++; - $total += $this->_getPointY($posX); - $posX += $this->_stepX(); - } - - if ($count != 0) { - return $total / $count; - } else { - return false; - } - } - - /** - * Get the median of the array passed Y points - * - * @param array $data The data-array to get the median from - * @param int $quartile The quartile to return the median from - * @return var The Y-median across the dataset from the specified quartile - * @access private - */ - function _median($data, $quartile = 'second') - { - sort($data); - $point = (count($data) - 1) / 2; - - if ($quartile == 'first') { - $lowPoint = 0; - $highPoint = floor($point); - } elseif ($quartile == 'third') { - $lowPoint = round($point); - $highPoint = count($data) - 1; - } else { - $lowPoint = 0; - $highPoint = count($data) - 1; - } - - $point = ($lowPoint + $highPoint) / 2; - - if (floor($point) != $point) { - $point = floor($point); - return ($data[$point] + $data[($point + 1)]) / 2; - } else { - return $data[$point]; - } - } - - /** - * Get the median of the datasets Y points - * - * @param int $quartile The quartile to return the median from - * @return var The Y-median across the dataset from the specified quartile - * @access private - */ - function _medianY($quartile = 'second') - { - $pointsY = array(); - $posX = $this->_minimumX; - while ($posX <= $this->_maximumX) { - $pointsY[] = $this->_getPointY($posX); - $posX += $this->_stepX(); - } - return $this->_median($pointsY, $quartile); - } - -} -?>
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