for ($i = 0 , $ct = $table->points_n - $pts_n; $ct < $table->points_n ; $ct++, $i++) {
$pts_obj = pg_fetch_object($pts_pg, $i);
for ($i = 0 , $ct = $table->points_n - $pts_n; $ct < $table->points_n ; $ct++, $i++) {
$pts_obj = pg_fetch_object($pts_pg, $i);