No problem, but pov is doing SOMETHING.  It makes up its own definition in the
undefined areas. That's the mystery.

what is x^a?



Chris Huff wrote:

> In article <387F9E1B.F3DF1811@my-dejanews.com>,
>
> But if it stops when it attempts to sample at an undefined spot, there
> could be defined areas that would be missed or rendered incorrectly.
>
> Maybe there should be a "strict_math" option. If strict_math is on, then
> it will perform the solving operation as it usually does, and then test
> the function at that point using standard math to see if it is defined
> at that point. If it is defined, then count it as an intersection,
> otherwise skip it. That way, the undefined areas would be removed(by a
> kind of customized clipping). And older isosurfaces would still work
> properly, either with the addition of "strict_math off" or by having
> strict_math default to off.
>
> --
> Chris Huff
> e-mail: chr### [at] yahoocom
> Web page: http://chrishuff.dhs.org/

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