(PECL imagick 2.0.0)
ImagickDraw::arc — Draws an arc
$sx
   , float $sy
   , float $ex
   , float $ey
   , float $sd
   , float $ed
   )This function is currently not documented; only its argument list is available.
Draws an arc falling within a specified bounding rectangle on the image.
sxStarting x ordinate of bounding rectangle
systarting y ordinate of bounding rectangle
exending x ordinate of bounding rectangle
eyending y ordinate of bounding rectangle
sdstarting degrees of rotation
edending degrees of rotation
No value is returned.