"AcademicMedicine" <nomail@nomail> wrote in message
news:web.4a08275d689e57ac7a3f36f70@news.povray.org...
> Is anybody interested in contributing?
I was investigating this:
http://fly.mpi-cbg.de/~saalfeld/df3.html
for other purposes (clouds) but got diverted onto something else and never
made much progress, so all I can offer is that above link .... perhaps
someone else can have a look
Jim
