Opacity to geometry

I know that was one topic which has explain how to convert opacity (leaves) to geometry but I can find them…
Does anyone know that?

Thanks
Alex

My old link to that thread doesnt work anymore (http://www.chaosgroup.com/forum/phpBB2/viewtopic.php?t=14248&postdays=0&postorder=asc&start=50)
but i posted the script from John O’ Connell at Vizdepot.com, here is the thread: http://www.vizdepot.com/forums/showthread.php?t=5311&page=6&pp=15 - post #83

Olli

Thanks Olli96!