for ($i = 0; $i < 6.2; $i += 0.2) {
$tmp = sin($i) * 1.9;
$data[] = $tmp;
}
require_once 'OFC/OFC_Chart.php';
$chart = new OFC_Chart();
$chart->set_title(new OFC_Elements_Title('Area Chart'));
//
// Make our area chart:
//
$area = new OFC_Charts_Area_Hollow();
// set the circle line width:
$area->set_width(1);
$area->set_values($data);
// add the area object to the chart:
$chart->add_element($area);
$y_axis = new OFC_Elements_Axis_Y();
$y_axis->set_range(-2, 2, 2);
$y_axis->labels = null;
$y_axis->set_offset(false);
$x_axis = new OFC_Elements_Axis_X();
$x_axis->labels = $data;
$x_axis->set_steps(2);
$x_labels = new OFC_Elements_Axis_X_Label_Set();
$x_labels->set_steps(4);
$x_labels->set_vertical();
// Add the X Axis Labels to the X Axis
$x_axis->set_labels($x_labels);
$chart->add_y_axis($y_axis);
$chart->x_axis = $x_axis;
echo $chart->toPrettyString();
