82 lines
3.1 KiB
PHP
82 lines
3.1 KiB
PHP
<?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 setting of the intersection of
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* a x-axis on a y-axis, and the intersection of a y-axis on the x- 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: intersection.php,v 1.5 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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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Testing Axis Intersection', 10)),
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$Matrix = Image_Graph::factory('Image_Graph_Layout_Matrix', array(3, 3)),
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5
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)
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);
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$DS[0] =& Image_Graph::factory('dataset', array(array('0' => 1, '1' => 2, '2' => 0)));
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$DS[1] =& Image_Graph::factory('dataset', array(array('0' => -1, '1' => 2, '2' => 2)));
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$DS[2] =& Image_Graph::factory('dataset', array(array('0' => 1, '1' => 3, '2' => 2)));
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for ($row = 0; $row < 3; $row++) {
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for ($col = 0; $col < 3; $col++) {
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if (isset($DS[$col])) {
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$Plotarea =& $Matrix->getEntry($row, $col);
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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if ($row >= 1) {
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$AxisY->setAxisIntersection(1);
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$AxisY->setTitle("Intersect\n at x = 1");
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} else {
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$AxisY->setTitle("Intersect\nat x = min");
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}
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if ($row >= 2) {
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$AxisX->setAxisIntersection(1);
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$AxisX->setTitle('Intersect at y = 1');
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} else {
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$AxisX->setTitle('Intersect at y = 0');
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}
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$Plot =& $Plotarea->addNew('line', $DS[$col]);
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$Plot->setLineColor('red');
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$Plotarea->setBackgroundColor('blue@0.2');
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}
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}
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}
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$Graph->done();
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?>
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