Christoph Hormann <chr### [at] gmxde> wrote in
news:3CB69939.DA52425D@gmx.de:
> For 'Rock' you should use the internal 'f_sphere' function from> functions.inc because it's faster and has a constant gradient (like when> using 'sqrt(x*x + y*y + z*z) -1')
Cool, I'll try that tonight. Thanks!
--
Rich Allen
(Remove SPAM from my address to reply by e-mail)