"Matthew Pace" <mat### [at] earthlinknet> wrote in message
news:matthewpace-13245A.18302325022004@news.povray.org...
> Well, it is not showing up, please tell me why.

Heh-heh. Let me guess. You made a isosurface which uses some sort of
function and it isn't visible where it ought to be, right? Two main (and
essentially same) possibilities come to mind. Either 'threshold' or the
equation needs adjusting. First thing to try is using threshold greater than
0 (zero is default). If something shows up by using, say, 1 then I guess you
have an unbalanced equation. That meaning, a surface isn't being found for
threshold 0 but instead might be at another point in space.

Hopefully your camera isn't inside the isosurface. And it could also be a
"max_gradient too low" problem where parts won't appear correctly until its
value is raised. Yet another reason could be from doing a difference or
intersection on the isosurface without using all_intersections keyword in
the iso.

Not sure if I covered all the bases here, or even the right way, but that's
my little assessment of the situation.

Bob H.

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