CGAL users discussion list

[Andreas Fabri <>]

On 14/03/2012 15:50, Zohar wrote:
> I'm not sure what you mean by grid points.

I might have missed something.   For the polyhedral surface
oracle I experimented around as follows: I've precomputed
inside/outside for points on an almost regular grid inside
the  bbox of the object, and I modified the in_domain test
of the oracle. Instead of shooting a ray in the AABB tree
of the polyhdral surface, I shoot a segment to the closest
grid point (to find it is a division).

andreas

> Again, I declared a continuous implicit function, which I feed to the mesh
> generator c2t3 (which to me is a black box). The function returns a signed
> distance of a point from the poly surface, where I shoot one random ray from
> the point, and count the number of intersections.
>
>
>
> --
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--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri