Christoph Hormann wrote:
> 
> Thanks very much for that detailed explanations, the RMF parameters are quite
> interesting, i have never used such values.

RMF parameters being an endless story ...

> 
> The isosurface function was a bit irritating first, because i usually do the
> scaling and translation in the pigment (this allows to test the components as
> textures, which is a lot faster than on the isosurface) but it surely also works
> this way.

Well, actually I didn't spend much brain on code design here, just
a "grown project", you know ;)

> 
> I somehow wonder about the low max_gradient, in my last landscape i got values
> around 100-200 using eval, but i can't see any errors in your picture.

Yes, I started with even smaller values and then eval gave something
like 11.xx. Values around 8 definitely produce discontinuities and
gaps in the surface.

-Hans-

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