Eric Brown wrote:
> I wish to make a "tube" which follows along a set of cartesian coordinates
> which I input:
> 
> {x1,y1,z1},
> {x2,y2,z1},
> ....
> {xN,yN,zN}
> 
> and the tube radius.
> 
> In general, the "tube" does not obey a quadratic polynomial, but it could
> easily be represented by a cubic-spline.  I though about making a bunch of
> cylinders, but this might introduce texture that shows the granularity of
> my step size.
> 
> Does anyone have a solution?

sphere_sweep as Alain suggested or a mesh made with NURBS or
other splines possibly combined with some Frenet Frame macros.

-- 
Tor Olav
http://subcube.com

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