How about a picture explaining all this???
"Nieminen Juha" <war### [at] sarakerttunencstutfi> wrote in message
news:38ad1899@news.povray.org...
>   Yes, the weighted average of the three vertex normals. The weight is the
> inverse distance of the point from the vertex (ie. when the point is
exactly
> at the vertex, the weight for that normal is 1 and for the other two it's
0;
> when it's exactly in the middle of the triangle the weight for all normals
> will be 1/3).
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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