84 lines
3.0 KiB
PHP
84 lines
3.0 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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* This is a visual test case, testing the logarithmic axis.
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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 Tests
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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: logarithmic.php,v 1.4 2005/08/03 21:21:58 nosey Exp $
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* @link http://pear.php.net/package/Image_Graph
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*/
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require_once 'Image/Graph.php';
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// create the graph
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$Graph =& Image_Graph::factory('graph', array(600, 400));
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// add a TrueType font
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$Font =& $Graph->addNew('ttf_font', 'Verdana');
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// set the font size to 11 pixels
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$Font->setSize(7);
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$Graph->setFont($Font);
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// create the plotarea
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Testing Logarihtmic Axis', 10)),
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$Matrix = Image_Graph::factory('Image_Graph_Layout_Matrix', array(2, 2, false)),
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5
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)
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);
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$Matrix->setEntry(0, 0, Image_Graph::factory('plotarea', array('axis', 'axis')));
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$Matrix->setEntry(0, 1, Image_Graph::factory('plotarea', array('axis', 'axis_log')));
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$Matrix->setEntry(1, 0, Image_Graph::factory('plotarea', array('axis_log', 'axis')));
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$Matrix->setEntry(1, 1, Image_Graph::factory('plotarea', array('axis_log', 'axis_log')));
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function sqr($x) { return $x * $x; }
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$DS =& Image_Graph::factory('function', array(1, 10, 'sqr', 9));
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for ($row = 0; $row < 2; $row++) {
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for ($col = 0; $col < 2; $col++) {
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$Plotarea =& $Matrix->getEntry($row, $col);
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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if (is_a($AxisX, 'Image_Graph_Axis_Logarithmic')) {
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$AxisX->setTitle('Logarithmic');
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} else {
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$AxisX->setTitle('Normal');
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}
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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if (is_a($AxisY, 'Image_Graph_Axis_Logarithmic')) {
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$AxisY->setTitle('Logarithmic', 'vertical');
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} else {
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$AxisY->setTitle('Normal', 'vertical');
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}
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$Plot =& $Plotarea->addNew('line', $DS);
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$Plot->setLineColor('red');
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}
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}
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$Graph->done();
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?>
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