<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**
 * This is a visual test case, testing the category axis.
 *
 * PHP version 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 Tests
 * @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: category.php 291165 2009-11-23 00:03:23Z neufeind $
 * @link       http://pear.php.net/package/Image_Graph
 */

require_once 'Image/Graph.php';    

// create the graph
$Graph =& Image_Graph::factory('graph', array(400, 300));
// add a TrueType font
$Font =& $Graph->addNew('ttf_font', 'Verdana');
// set the font size to 11 pixels
$Font->setSize(7);

$Graph->setFont($Font);

// create the plotarea
$Graph->add(
    Image_Graph::vertical(
        Image_Graph::factory('title', array('Testing Category Axis', 10)),               
        $Plotarea = Image_Graph::factory('plotarea', array('Image_Graph_Axis_Category', 'Image_Graph_Axis_Category')),           
        5            
    )
);

$DS =& Image_Graph::factory('dataset');
$DS->addPoint('Germany', 'England');
$DS->addPoint('Denmark', 'France');
$DS->addPoint('Sweden', 'Denmark');
$DS->addPoint('England', 'France');
$DS->addPoint('Norway', 'Finland');
$DS->addPoint('Denmark', 'Finland');
$DS->addPoint('Iceland', 'Germany');
$DS->addPoint('Norway', 'France');

$DS2 =& Image_Graph::factory('dataset');
$DS2->addPoint('Sweden', 'France');
$DS2->addPoint('Austria', 'Germany');
$DS2->addPoint('Norway', 'Holland');
$DS2->addPoint('Denmark', 'Germany');
$DS2->addPoint('Sweden', 'Holland');
$DS2->addPoint('Iceland', 'Denmark');

/* Expect x-axis to be ordered:
 * Germany, Denmark, Sweden, England, Austria, Norway, Iceland
 * 
 * Expect y-axis to be ordered:
 * England, France, Denmark, Finland, Holland, Germany
 * 
 * Special points are X = Austria and Y = Holland, which are expected to be
 * "placed" before Norway and Germany respective (since that is the point at
 * which they exist "before" in the dataset on their first occurence)
 */ 

$Plot =& $Plotarea->addNew('line', $DS);
$Plot->setLineColor('red');

$Plot2 =& $Plotarea->addNew('line', $DS2);
$Plot2->setLineColor('blue');

$Graph->done();
?>