Hi Christoph,

> It is much faster unless you build a bounding box hierarchy yourself.  If
> not, Povray always has to test against all the bounding boxes of several

I see. I will do some tests to get a comparison of these two methods. I
don't have a "feeling" how much the difference is in percent of total time.
This is very interesting. I let you know ASAP.

Thanks again,
regards
SY

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