Thomas de Groot <tho### [at] degrootorg> wrote:
>
> I have got a test scene where the problem is demonstrated. I attach it
> here, together with a slightly changed version of your position finder
> and Gilles Tran's Visibility Test macro...

Thanks! I will investigate this. Gille's macro is also new to me-- so
double-thanks for bringing it to my attention :-)

My many code trials have been real brain-twisters; sometimes one 'fix'
introduces yet another problem. At times, I've had to step away from the code to
regain my sanity ;-) But it's *slowly* improving as I continue work on it.

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