In article <3a14ce99$1@news.povray.org>, "Rick Mabry" 
<rma### [at] softdiskcom> wrote:

> More generally,  is there a nice way to apply arbitrary functions for 
> combining things? I'm dimly aware of density_file, but that seems 
> pretty extreme (even if it can be used).

In MegaPOV, you can supply a function that takes xyz coordinates and 
returns the pattern value, allowing you to specify almost any pattern. 
This is something that will make it into POV 3.5.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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