Warp wrote:
> 
>   Well, it can't report that before trying, can it?-)
> 
>   It first tries to tesselate and after that, if no triangles has been
> created, it reports that it couldn't do it.
>   Sometimes this is due to a too low accuracy (there are too few
> tetrahedrons and no vertex points hit the inside of the object). This
> is, I think, so rare, however, than perhaps I should just modify the
> error message (I think that usually the reason is something else, like
> the object not being solid).
> 

Sound reasonable, 

I also found that the object pattern functions with method 2 so
Inside_Object() seems to work - There is also probably no difference
beween method 1 and method 2 concerning this function, because it is just
evaluating the isosurface function at that point. 

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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