(PECL ps >= 1.1.0)
ps_setflat — Sets flatness
$psdoc
   , float $value
   )
This function is currently not documented; only its argument list is available.
psdoc
     Resource identifier of the postscript file as returned by ps_new().
value
     
       The value must be between 0.2 and 1.
      
   Returns TRUE on success or FALSE on failure.