I have a scene that contains some thousand isosurfaces with
slightly different functions. It is so many because I split
up a big isosurface into pieces to gain some render speed.
It actually worked and now the render process takes about
one third of the time it needed before.
But now there occur hundreds of warnings that the max_gradient
is too high. There is no simple way to adjust it into the optimal
range. The value now  is chosen for that it would fit in (nearly)
every case.

All together the test animation that renders at the moment already
makes 4MiB of fatal messages. Even piping everything to /dev/null takes
some seconds for every frame. This also is no real option because I
would like to keep other fatal messages and also don't want to spend
seconds for message disposal.

Is there a way to turn of these "lower max_gradient" messages?

Sebastian

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