Thanks, I was hoping for a procedural city, infinite in size, which would
enable me to have it buzzing with ships dodging the buildings, etc.

Chris Huff wrote:

> In article <39c3f5ca@news.povray.org>, "Greg M. Johnson"
> <"gregj;-)56590\""@aol.c;-)om> wrote:
>
> > I have made an isosurface and there is a lot of banding on it, as you
> > can see in the image below.  Any tips on eliminating it, asides from
> > simply reducing the accuracy a few orders of magnitude?
>
> Well, they most likely come from the fact that the pattern you are using
> has sudden changes, it is non-continuous. The isosurface solver has
> trouble solving this type of function. I don't think there is a good way
> to fix it in this case, I would just use a bunch of boxes. In other
> cases, you could try to smooth the pattern, or maybe output an image and
> use an image_mapped pigment function with interpolation.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><

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