Very interesting idea here.  You may want to look at mesh2 which can allow
you to compact the object better and also allow for smoothing and even uv
mapping.  It can get very hair-pullingly frustrating developing the logic
for this kind of code though.  The mesh2 mobius macro I posted a while back
makes use of mesh2 and smoothing normals, but as I say, it gets frustrating
keeping track of what you are doing and finding the problems with your code.

-tgq


"Hugo" <hua### [at] post3teledk> wrote in message
news:3bcb1706@news.povray.org...
> Hello,
>
> I'm developing some macros that I hope will make it easier for me to code
> some "beautiful" shapes. Here's an example of splines, but I'm not
finished.
> My ideas are mostly about smooth extrusion, spline shapes, easy ways to go
> from ordinary primitives into smooth stuff and seamlessly back to
> primitives.. It's also about speedy rendering (using triangles here as you
> can see) and I'd like the macros to be flexible and useful to other people
> than myself.
>
> I'm not great in math but I like to code and I think the POV newsserver is
a
> great source for help and inspiration. Nice people here. I'm asking about
> your ideas. When you code your models and run into problems, what features
> is it you miss? I'm not saying I can make something really great, but your
> input could expand my ideas...
>
>
> Hugo
>
>
>

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