> > hmm yes , but i m pretty sure bad situations will arise, for points near
the
> > edge of a cube for instance
> >
>
> As i understood the paper, these problems can be avoided by always using
> the same distance for calculating the diffusion term instead of using the
> individual distance of each sample.  It also says this is likely to
> produce some inaccuracy but it seems to work quite well.

i was not clear (sorry for my pathetic english, i wish i could draw a little
example :)
the problem is not for calculating the contribution of a sample but rather
to find the points which will contribute
how do you find points on the surface of the object , assuming the surface
is flat (but knowing this is not true) ?

M

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