Hi all !

First thank you all for your contributions! Especially Bruno and Ken for
their experiments. They are very interesting.

Now returned from my computer-free Christmas holidays I applied Ken's idea
of adding ambience to the floor plate (but 0.3, not 1.0) plus a sky_sphere.

And: I gave the max_trace level a last change: In LOWERING it !

Since the dots may result from multiple reflections on the bent surface
inside the stela, I cut them down by lowering the max_trace value.
Bruno showed this reflections won't show in a more regular object (as in the
cube). I got the impression that all this reflections in a slightly curved
object cause this dots.

The black areas however are still there but I don't feel that they are a
problem. In fact I think they are a result of the high ior and have to be
there.

So now I present the outcome of some lower max_trace levels. The depth of
the carving is not changed though and will be my next PTS (*)




Yours,
Bu.


(*) PTS = problem to solve :-)

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