Wlodzimierz ABX Skiba wrote:
> 
> [...]
> 
> this way you get another level of abstract but instead of 4 dbl you must
> remember pointer to parent - is it worth ?
> 

Probably not in this case, but for a complex CSG it could be useful, just
imagine a lot of macro generated trees...

I know this is probably quite difficult to implement, but NTL it would
offer interesting possibilities.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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