Marc-Hendrik Bremer wrote:
> 
> Because in my opinion those artefacts are not always caused by an inaccurate
> max_gradient. Esp. those where big parts are missing or disappearing seems
> to me more like an inaccurate accuracy then a max_gradient problem (which
> are those black spots like in the scene the thread started with). I may be
> wrong in this, but that's how I experienced it in the past.

Accuracy just influences how small details are visible, lower values lead
to more detailed surfaces and usually require higher max_gradient.  Just
try it, the default value of 0.001 is quite low, if you use for example
0.1 on a RMF function isosurface, you will get a not very detailed
surface.  

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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