"Loki" <nomail@nomail> wrote in message
news:web.41b6f7a173f8cbc1dc74bbb60@news.povray.org...
> Sorry if this has been asked before, but I have a puzzling problem with an
> isosurface I am using.  When I trace the scene I get a warning that the
> max_gradient is about 8+ and I need to increase it or I'll get holes.  So
I
> do, and trace again, but then I get a message saying max_gradient is 7.1
> and I should reduce it to make it trace faster.  This happens even though
I
> haven't changed anything except the max_gradient value.  I can chase the
> max_gradient value around indefinitely but no matter what I do it always
> gives me either the 'too big' or 'too small' message and keeps changing.
> Why does this happen and is there anything I can do to correct it?
>
> L
> -
>
>

Hi Loki,

Have you tried using the 'evaluate' keyword to 'dynamically adapt the used
max_gradient'?

Chris.

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