/**
* Sets an interval for where labels are shown on the axis.
*
* The label interval is rounded to nearest integer value.
*
* @param double $labelInterval The interval with which labels are shown
* @param int $level Label level
*
* @return void
*/
function setLabelInterval($labelInterval = 'auto', $level = 1)
{
if (is_array($labelInterval)) {
parent::setLabelInterval($labelInterval);
} elseif ($labelInterval == 'auto') {
parent::setLabelInterval(1);
} else {
parent::setLabelInterval(round($labelInterval));
}
}
