/**
* A Static function that return the amount of points you need
* @param array $data an array containing the points
* @param int $amount the number of points you want to get
* @param bool $ordered (optional) wether you want the points ordered by priority values or not (if not they will be ordered by abscissa values). Default is false.
* @param string|int $x (optional) key of the abscissa values in each element of your data, default is 'x'
* @param string|int $y (optional) key of the ordinate values in each element of your data, default is 'y'
* @param string|int $priority (optional) key of the priority value in each element of data returned, default is 'priority'
* @return array an array containing the filtered points
*/
public static function filterPoints($data, $amount, $ordered = false, $x = 'x', $y = 'y', $priority = 'priority')
{
$Vis = new self($data, $x, $y, $priority);
if ($ordered) {
return $Vis->getOrderedData($amount);
}
return $Vis->getData($amount);
}
