Below is still valid for 3.6 beta

On Wed, 24 Apr 2002 12:08:22 +0200, Włodzimierz ABX Skiba <abx### [at] babilonorg>
wrote:
>POV 3.5 RC2 icl on WinNT Sp 6 PII 233 with 128 MB
>
>I have made concrete example of my suspicions. Thorsten, now you can turn out
>any part for testing. Artifacts are probably becouse of epsilon problem but
>disappearing regular part can't be artifacts.
>
>#macro Make(R,T)
>  sphere_sweep{
>    cubic_spline 4
>    <.000,.375,1.275>+T R
>    <.355,.280,1.275>+T R
>    <.200,.190,1.275>+T R
>    <.045,.100,1.275>+T R
>  }
>  sphere_sweep{
>    cubic_spline 4
>    <.129544, 0.062436,1.382759>+T R
>    <.389922,-0.189898,1.442598>+T R
>    <.226876,-0.191609,1.368181>+T R
>    <.063829,-0.193320,1.293764>+T R
>  }
>  sphere_sweep{
>    cubic_spline 4
>    <.500,.375,1.275>+T R
>    <.145,.280,1.275>+T R
>    <.300,.190,1.275>+T R
>    <.455,.100,1.275>+T R
>  }
>  sphere_sweep{
>    cubic_spline 4
>    <.546506,-0.179102,1.516184>+T R
>    <.214798,-0.088453,1.386560>+T R
>    <.310268,-0.239917,1.394866>+T R
>    <.405738,-0.391381,1.403172>+T R
>  }
>#end
>
>background{1}
>camera{orthographic}
>Make(.02,x/6)
>Make(.009,-x/4)
>Make(.002,-2*x/3)
>
>ABX

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