Alain <aze### [at] qwertyorg> wrote:

> > Hello,
> >    Apart from suing POV for fun, I have a very simple professional need:
> >
> > I need to display some extruded polygons that lie in a plane, each with its own
> > height. Each polygon represents the base of a building, and the height is the
> > height of the building. In other words I wish to display a 3D view of a
> > district.
> >
> > I used to program in POV ray about 15 years ago and have not practiced since.
> > I have a book called Ray Tracing Creations from the Waite Group. Is this still
> > valid? In any case it doesnt seem to mention polygons (from a cursory
> > examination).
> >
> > So I imagine my need is very simple.
> >
> > Thankyou for your attention.
> > Henri
> >
> >
>
> It looks like a perfect use for a prism. And the simplest one at that.
>
> prism{Base_level, Top_level, Number_Of_Points, [a list of 2D points]
> texture{Some_texture}rotation Some_rotation translate Some_displacement}
>
> Using the default spline type and sweep type: linear_spline and linear_sweep
>
> As those are default, they are optionals.
>
>
> Alain

Thanks all you people!

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