gonzo wrote:
> "Hughes, B." <omn### [at] charternet> wrote:
> 
>>Perhaps imprecise, being so short-lived, but I believe it is showing the
>>introduction of the box is actually causing a loss of optimization or
>>something. I don't know the truth behind the numbers; it just looks like the
>>plane has an advantage, at least in this case.
> 
> 
> This may go right to something I have wondered for a while.  When using a
> plane in CSG, how is the bounding box determined?  Per the docs regarding
> manual bounding, the automatic bounding uses the size of the objects used
> in the CSG, but I'm thinking here that infinite is not used...
> 
> RG
> 

I'm not sure if this is it, but I'd image that in a difference it only 
needs to take the bounding box of the first object and that in an 
intersection it only needs the bounding box of the smallest object.

Shalom Naumann

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