Transform clip-rect using raphael
HTML
<div id='myid'>
</div>
JavaScript
r = Raphael('myid',600,400);
myimage = r.image('http://25.media.tumblr.com/032e7b64fbc53862cb4c53b6a564f216/tumblr_mnthd5m5y21sqq5odo3_1280.jpg',0,0,600,400)
myimage.attr({'clip-rect':[100,100,200,200]})
myrect = r.rect(100,100,200,200).transform("r36")
myimage.clip.setAttribute("transform", myrect.node.getAttribute("transform"))