public function getGraphDescPerson($n, $p, $oc, $generation)
{
$gap = new \geneweb\api\object\GraphParams();
$rp = new \geneweb\api\object\ReferencePerson();
$rp->setN((string) $n);
$rp->setP((string) $p);
$rp->setOc((int) $oc);
$gap->setPerson($rp);
if ($generation !== null && $generation != "") {
$gap->setGeneration((int) $generation);
}
return $this->request("GRAPH_DESC", $gap, $this->getClassname('Graph'));
}