Thorsten Froehlich wrote:
> 
> It is because it was never documented anywhere so I assumed it was an
> inconsistent behavior in the code.  Nothing keeping me from adding it again,
> of course.
> 

Great,

in fact it is documented in one sentence in the isosurface SDL part:

"When using only the evaluate keyword without max_gradient, POV-Ray will
try 
to estimate a default max_gradient."

I could write some more things concerning 'evaluate' in the isosurface
tutorial as soon as the code for it is somehow 'definitive', in fact i
never liked that part as it is now, but i did not feel competent enough to
write something better.

Would that be a good idea?

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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