Gena wrote:
> 
> [...]
> 
> This is intersection between isosurface and heightfield (based
> on function). I tried to make difference between isosurfaces
> but I couldn't avoid holes in the result object even changing
> max_gradient and accuracy.

See the documentation for 'max_trace' and 'all_intersections'.  Of course
you can also intersect in the isosurface function and just use one
isosurface.

I think they look a bit like they have bark on the outer surface, a rough
and weathered but mainly plain wood surface would probably be better.  I
will see if i can work on that.

Christoph

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