/**
* @param SimpleXMLElement $xml
* @return Point
* @throws InvalidGPXException
*/
public static function fromXML(SimpleXMLElement $xml)
{
$attributes = $xml->attributes();
if (!($latitude = $attributes['lat'])) {
throw new InvalidGPXException("No latitude specified on point node.");
}
if (!($longitude = $attributes['lon'])) {
throw new InvalidGPXException("No longitude specified on point node.");
}
$point = new Point((double) $latitude, (double) $longitude);
if (!empty($xml->ele)) {
$point->setElevation((double) $xml->ele[0]);
}
if (!empty($xml->time)) {
$point->setTime(strtotime((string) $xml->time[0]));
}
return $point;
}