/**
* Returns the grid subdivision points as an array
*/
public function GetGridSubdivisions($min_space, $min_unit, $start, $fixed)
{
$divs = parent::GetGridSubdivisions($min_space, $min_unit, $start, $fixed);
$new_divs = array();
$z = $this->Zero();
foreach ($divs as $d) {
$new_divs[] = new GridPoint($d->position + $z, '', 0);
$new_divs[] = new GridPoint(2 * $start + $z - $d->position, '', 0);
}
return $new_divs;
}
