"Greg M. Johnson" <gregj:-)56590@ao:-)l.com> wrote in message
news:3e04b7dc$1@news.povray.org...
> The cross section will always be a "disk" perpendicular to the path of the
> spline-- I think this is what you observed.
>
It appears that this is not the case, but I guess it's just an optical
illusion.
> It is possible to get rid of the truncated look by simply choosing a finer
> triangle size. Were you simply pointing out the truncated look, or is
there
> a real benefit to adding surface normals?
>
The benefit is that an almost identical picture could be made with only
about ten rows of triangles. Your method of using tiny, pixel-sized
triangles to achieve smoothness will slow down the render and not allow
giant sweeps due to lack of memory.
-Shay
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