"Bald Eagle" <cre### [at] netscapenet> wrote:
> clipka <ano### [at] anonymousorg> wrote:
>
> > ... and the reason you're having trouble with this use case is pretty
> > much the same reason why that suggested feature would be darn difficult
> > to implement as well.
>
> Right.
> A first step towards a solution would essentially accomplish an efficient
> meshification of the object - which may be what Sven might want to play with.
>
> Then you'd translate the points along the normal vector to expand/shrink the
> object as a 3D offset-curve.
>
> NOT trivial.

Hi, this is my first post to this group. You did wonderful job ;)

To the point. Yes, I've attempted to do that, called it "thick wall style". It
was part of a project of visualization of uncertainty, namely structure of
cardiac veins (yes, POVRay may be used as a scientific tool ;) or just interval
data.

It is really hard to do that without artifacts.

Ref:
http://ieeexplore.ieee.org/document/7973435/ DOI:10.23919/MIPRO.2017.7973435

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