hi,

"Kenneth" <kdw### [at] gmailcom> wrote:
> "jr" <cre### [at] gmailcom> wrote:
> > with 'polarity on'
> ??
> What's that? I must have missed a new feature(?) somehow...

looks like you did.  :-)  the last paragraph in section "3.5.1.1.6 Isosurface"
in the 3.8 docs reads:

By default, the inside of an isosurface is defined as the set of all points
inside the contained_by shape where the function values are below the threshold.
New in version 3.8 this can be changed via the polarity keyword. Specifying a
positive setting or on will instead cause function values above the threshold to
be considered inside. Specifying a negative setting or off will give the default
behavior.


regards, jr.

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