This may be a red herring, but you could try the explode macro,
I've never used it but it may do what you'r looking for.

"Rune S. Johansen" wrote:
> 
> I would like to see a new new keyword in POV-Ray that could be added to all
> objects.
> It is quite simple, still I don't quite know how to explain it.
> If the keyword was spherize [float] the following:
> box {
>    <-1,-1,-1>, <,,>
>    spherize 1.5
> }
> should make a rounded box from <-2.5,-2.5,-2.5> to <.5,.5,.5>.
> 
> It should sort of extrude any shape in a spherical way so things get bigger
> and rounded.
> It should extend an object so that all points [float] units away from it
> should be included in it.
> 
> You should be able to add it to individual objects in csg and/or to the
> whole csg object as you wish.
> As a non-programmer I would guess it could also support flat objects such as
> disc, triangle ect... These would become solid rounded prisms.
> 
> Hmm, when I think of it, all spherized objects including csg objects
> consisting of multiple objects with different textures would probably need a
> new single texture. I hope not, but anyway, I think the feature would still
> be very usefull.
> 
> I hope you understand what I mean.
> 
> I see lots of uses for this feature:
> A spherized object with white media around the original object would give a
> nice glow that fits to the object.
> With spherize and the right scaling, any object could be morphed into a
> sphere (and from that into another object).
> An kind of alternative to blobs? Not the same at all, but...
> 
> Would that be possible to implement? What about the textures?
> 
> Greetings,
> 
> Rune S. Johansen
> 
> ---
> My POV-Ray 3D Gallery, the POV Desktop Theme,
> and the compiled list
> "you know you have been raytracing too long when..."
> at http://hjem.get2net.dk/rsj

-- 
Cheers
Steve

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