public static function create_area_graph($title)
{
self::init();
$d = new solid_dot();
$d->size(3)->halo_size(1)->colour('#3D5C56');
$range_values = array();
foreach (self::$data_set as $data) {
if (!is_array($data['values'])) {
continue;
}
$area = new area();
// set the circle line width:
$area->set_width(2);
$area->set_default_dot_style($d);
$area->set_colour($data['color']);
$area->set_fill_colour($data['color']);
$area->set_fill_alpha(0.3);
$area->on_show(new line_on_show('pop-up', 2, 0.5));
$area->set_key($data['line_title'], 10);
$area->set_values($data['values']);
# Since there should be an even number on the xaxis for all sets
$x_axis_titles = $data['titles'];
# Add our values into a big bucket so we can get the highest and lowest
$range_values = array_merge($range_values, $data['values']);
self::$chart->add_element($area);
}
$x_labels = new x_axis_labels();
$x_labels->set_labels($x_axis_titles);
$x_labels->set_vertical();
self::$x_axis->set_labels($x_labels);
$range = self::get_range($range_values);
self::$y_axis->set_range($range['min'], $range['max']);
self::show_chart($title);
}
