/**
* Show pie chart for all of the aircraft flown
* by a certain pilot. Outputs image, unless $ret == true,
* then it returns the URL.
*/
public static function PilotAircraftFlownGraph($pilotid, $ret = false)
{
$stats = self::PilotAircraftFlownCounts($pilotid);
if (!$stats) {
return;
}
$data = '';
$labels = '';
foreach ($stats as $stat) {
if ($stat->aircraft == '') {
continue;
}
$data .= $stat->count . ',';
$labels .= $stat->aircraft . '|';
}
// remove that final lone char
$data = substr($data, 0, strlen($data) - 1);
$labels = substr($labels, 0, strlen($labels) - 1);
$chart = new GoogleChart($data, 'pie');
$chart->dimensions = '350x200';
$chart->setLabels($labels);
$url = $chart->draw(false);
unset($chart);
if ($ret == true) {
return $url;
} else {
echo '<img src="' . $url . '" />';
}
}
/**
* Create a Google Chart chart
*/
protected function GoogleChart()
{
$chart = new GoogleChart(null, $this->type);
# Loop through every set data
//foreach($this->data as $set)
//{
$values = @implode(',', $this->data);
$labels = @implode('|', $this->labels);
$chart->loadData($values);
$chart->setLabels($labels, 'bottom');
//}
$chart->dimensions = $this->x . 'x' . $this->y;
return $chart->draw(false);
}
