/**
* Get distance from current Geo object coordinates to another
*
* @param Geo $dest
* @param int $round
* @param boolean $km
* @throws Exception
* @return mixed
*/
public function distanceTo(Geo $dest, $round = 2, $km = false)
{
$distance = null;
if (null === $this->latitude || null === $this->longitude) {
throw new Exception('The origin coordinates are not set.');
}
if (null === $dest->getLatitude() || null === $dest->getLongitude()) {
throw new Exception('The destination coordinates are not set.');
}
$origin = ['latitude' => $this->latitude, 'longitude' => $this->longitude];
$destination = ['latitude' => $dest->getLatitude(), 'longitude' => $dest->getLongitude()];
return self::calculateDistance($origin, $destination, $round, $km);
}
/**
* Formats a geo.
*
* @param \Libreworks\Microformats\Geo $geo The geo coordinates
* @return string The HTML markup
*/
public function format(Geo $geo)
{
return '<span class="h-geo">' . '<span class="p-latitude">' . (string) $geo->getLatitude() . '</span>, ' . '<span class="p-longitude">' . (string) $geo->getLongitude() . '</span>' . ($geo->getAltitude() === null ? '' : ' (elevation <span class="p-altitude">' . (string) $geo->getAltitude() . '</span>)') . '</span>';
}
