> > probably best result will give isosurface - using inside() function and
> > twist/rotate along Y axis.
>
> Best?!? Slowest and most likely to produce artifacts, if it works at
> all...isosurfaces don't like infinite gradients.


If an isosurface is being used only for the purpose of the inside()
function, it will be very fast and perfectly accurate. Only one function
evaluation is necessary.

 - Slime
[ http://www.slimeland.com/ ]

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