/**
* Returns a Universal Transverse Mercator projection representation of the coordinate in meters
*
* @return StringLiteral
*/
public function toUniversalTransverseMercator()
{
$coordinate = static::getBaseCoordinate($this);
$convert = new Convert($coordinate);
$utm = $convert->toUniversalTransverseMercator();
return new StringLiteral($utm);
}
