showchart.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2005 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program 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 General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/      

                include_once('../../Modules/SurveyQuestionPool/phplot/phplot.php');
                
                $data = unserialize(base64_decode($_GET['data']));
                $legend = unserialize(base64_decode($_GET['legend']));
                $title = base64_decode($_GET['title']);
                if($legend == NULL)
                        $legend = array();
                if($data == NULL)
                        $data = array(array(0,''));
                
                $chart_type = $_GET['chart_type'];
                
                $graph = new PHPlot(600,350);
        
                
                $graph->SetShading(0);
                $graph->SetPlotType($chart_type);
                $graph->SetDataType('text-data');
                
                $graph->SetTitle($title."\n\r\n\r");

                $graph->SetXDataLabelPos('plotdown');

                $graph->setLegend($legend);
                $graph->SetDataValues($data);
                $graph->DrawGraph();
                $graph->PrintImage();
?>