Slime wrote:

> <snip>
> 
> Unfortunately, POV-Ray has no way to apply a separarely defined spline to
> a sphere_sweep object. Nor can it apply a separate spline to a prism
> object or something of that sort. I think this is a weakness in POV-Ray -
> it has the same data structure represented in different ways depending on
> what you're using it for.
> 
> I understand that the data structures aren't *identical*, but they're darn
> similar and would be much more powerful if they were more portable.

Something vaguely related that came to my mind: Is it possible with the 
current tools to define a sort of hybrid between a lathe and a prism? I 
mean: in a prism you specify the section with a spline, in a lathe you 
specify the generatrix (is that the word?) with a spline, what about 
specifying both? In case it isn't possible (as I guess), wouldn't it be 
cool to have this kind of objects (lathes with non-circular section / 
prisms with non-linear sweeps)? Just an idea, though.

Greetings

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