On Fri, 17 May 2002 03:57:52 -0500, Mark Winter wrote:

> What I should like to do though, in addition, is to display them using
> variable density "fogs" in which the density of the fog at any point
> (representing electron density) is determined by a function (the same
> function as the isosurfaces). I can't for the life of me see how to do
> this but I'm sure it, or something similar, is possible.

Fog is far too limited for this, it is basically a cheap shortcut that
can add a realistic touch without actually simulating light scattering.
What you want is some kind of media, emitting would probably do fine for
this purpose. There are some demo files that might provide a good
starting point, and you can use functions directly as media patterns.


-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: <chr### [at] tagpovrayorg>
WWW: http://homepage.mac.com/chrishuff/

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