In article <8EFDBCE96seed7@204.213.191.228>, ing### [at] homenl (ingo) 
wrote:

> The example for using splines given by Wolfgang Ortman
> http://pandora.inf.uni-jena.de/offen/noo/povsp/spteach4.pov
> does not work. WinMegaPov 0.4 gives an error on the radius of the sphere:
> Float expected but vector or colour expression found.

It looks like the code is missing some commas after the vectors. I 
noticed them in this part:

#declare pos=spline { /* declare identifier pos as spline */

               cubic_spline /* kind of spline */

              -0.1, <-0.1,0,0>    <---here
               0,   <0,0,0>,
               0.3, <0.3,0,0>,
               0.7, <0.7,1,0>,
               1.0, <1,1,0>       <---and here
               1.1, <1.1,1,0>

-- 
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/

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