public static function internal_wkt_to_sref($wkt, $sref_system, $precision = null, $output = null, $metresAccuracy = null)
{
$system = strtolower($sref_system);
if (is_numeric($system)) {
$srid = $system;
} else {
self::validateSystemClass($system);
$systems = self::system_metadata();
$srid = $systems[$system]['srid'];
}
$transformedWkt = postgreSQL::transformWkt($wkt, kohana::config('sref_notations.internal_srid'), $srid);
if (is_numeric($system)) {
// NB the handed in precision is ignored, and the rounding is determined by the system in use
if (array_key_exists($system, kohana::config('sref_notations.lat_long_systems'))) {
return self::point_to_lat_long($transformedWkt, $system, $output);
} else {
return self::point_to_x_y($transformedWkt, $system);
}
} else {
return call_user_func("{$system}::wkt_to_sref", $transformedWkt, $precision, $output, $metresAccuracy);
}
}
