Warp wrote:
> 
>   It MIGHT be useful sometimes. For example, I don't think it's very clear
> to some users how do you make a XOR operation in povray's CSG.
> 

Quite right, i just thought a moment about it and came to the "2 differences"
solution, which seems to be the most intuitive version (using inverse
constructions seems not that easy to me)

Christoph

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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