Matthew Bennett <ben### [at] btinternetcom>
> "david sharp" <dsh### [at] interportnet> wrote
>
> > In function{}'s it is  'ln' instead of 'log'
>
> Isn't that to base e rather than base 10 though?
>

In the isosurface patch  ln is actually  log base 10.
or, actually, ln(x) = log_10(abs(x)) . I kind of remember
learning that the 'n' in 'ln' was because ln was supposed
to be 'natural' logarithm. Perhaps the 'n' in the isosurface
patch ln is for 'nice'.

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