Softimage Xsi: need help!! with render map cluster

i follow the 3.0 book "Rendermapping cluster"on pdf format file "shade" page 231


but the rendermap result as same as the select the whole object then use rendermap.


who can tell me how to do it right?


my scene file download here:


http://www.chinavfx.com/bbs/attachments/200305/21204811-1.zip


thanks