From: Philippe Bopp / temporary (philippebopp_at_yahoo.com)
Date: Thu Nov 24 2011 - 09:58:54 CST

thanks a lot, this works fine

Philippe

> You can also use the norm {nx,ny,nz},
> distance, and center {ox,oy,oz} from the clip plane tool,

aha, that's where to find them!

> and define the selection as:
> all and (nx*(x-ox)+ny*(y-oy)+nz*(z-oz)-distance>0).
>
> This only selects the atoms behind/(in front of) the
> plane.